diff options
Diffstat (limited to 'board/evb64260')
30 files changed, 0 insertions, 7558 deletions
diff --git a/board/evb64260/64260.h b/board/evb64260/64260.h deleted file mode 100644 index d106ced..0000000 --- a/board/evb64260/64260.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef __64260_H__ -#define __64260_H__ - -/* CPU Configuration bits */ -#define CPU_CONF_ADDR_MISS_EN (1 << 8) -#define CPU_CONF_AACK_DELAY (1 << 11) -#define CPU_CONF_ENDIANESS (1 << 12) -#define CPU_CONF_PIPELINE (1 << 13) -#define CPU_CONF_TA_DELAY (1 << 15) -#define CPU_CONF_RD_OOO (1 << 16) -#define CPU_CONF_STOP_RETRY (1 << 17) -#define CPU_CONF_MULTI_DECODE (1 << 18) -#define CPU_CONF_DP_VALID (1 << 19) -#define CPU_CONF_PERR_PROP (1 << 22) -#define CPU_CONF_FAST_CLK (1 << 23) -#define CPU_CONF_AACK_DELAY_2 (1 << 25) -#define CPU_CONF_AP_VALID (1 << 26) -#define CPU_CONF_REMAP_WR_DIS (1 << 27) -#define CPU_CONF_CONF_SB_DIS (1 << 28) -#define CPU_CONF_IO_SB_DIS (1 << 29) -#define CPU_CONF_CLK_SYNC (1 << 30) - -/* CPU Master Control bits */ -#define CPU_MAST_CTL_ARB_EN (1 << 8) -#define CPU_MAST_CTL_MASK_BR_1 (1 << 9) -#define CPU_MAST_CTL_M_WR_TRIG (1 << 10) -#define CPU_MAST_CTL_M_RD_TRIG (1 << 11) -#define CPU_MAST_CTL_CLEAN_BLK (1 << 12) -#define CPU_MAST_CTL_FLUSH_BLK (1 << 13) - -#endif /* __64260_H__ */ diff --git a/board/evb64260/Kconfig b/board/evb64260/Kconfig deleted file mode 100644 index 933e6d6..0000000 --- a/board/evb64260/Kconfig +++ /dev/null @@ -1,19 +0,0 @@ -if TARGET_P3G4 - -config SYS_BOARD - default "evb64260" - -config SYS_CONFIG_NAME - default "P3G4" - -endif - -if TARGET_ZUMA - -config SYS_BOARD - default "evb64260" - -config SYS_CONFIG_NAME - default "ZUMA" - -endif diff --git a/board/evb64260/MAINTAINERS b/board/evb64260/MAINTAINERS deleted file mode 100644 index d50dda5..0000000 --- a/board/evb64260/MAINTAINERS +++ /dev/null @@ -1,12 +0,0 @@ -EVB64260 BOARD -M: Wolfgang Denk <wd@denx.de> -S: Maintained -F: board/evb64260/ -F: include/configs/P3G4.h -F: configs/P3G4_defconfig - -ZUMA BOARD -#M: Nye Liu <nyet@zumanetworks.com> -S: Orphan (since 2014-04) -F: include/configs/ZUMA.h -F: configs/ZUMA_defconfig diff --git a/board/evb64260/Makefile b/board/evb64260/Makefile deleted file mode 100644 index ae2ebed..0000000 --- a/board/evb64260/Makefile +++ /dev/null @@ -1,14 +0,0 @@ -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2001 -# Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = misc.o -obj-y += evb64260.o flash.o serial.o memory.o pci.o \ - eth.o eth_addrtbl.o mpsc.o i2c.o \ - sdram_init.o zuma_pbb.o intel_flash.o zuma_pbb_mbox.o diff --git a/board/evb64260/README b/board/evb64260/README deleted file mode 100644 index 74211de..0000000 --- a/board/evb64260/README +++ /dev/null @@ -1,54 +0,0 @@ -This file contains status information for the port of U-Boot to the -Galileo Evaluation Board. - -Author: Josh Huber <huber@mclx.com> - Mission Critical Linux, Inc. - -The support for the Galileo Evaluation board is fairly minimal now. -It's sufficient to boot Linux, but doesn't provide too much more than -what's required to do this. - -Both DUART channels are supported (to use the second one, you have to -modify the board -- see the schematics for where to solder on the -devices module). The ethernet ports are supported, and the MPSC is -supported as a console driver. (keep in mind that the kernel has no -support for this yet) - -There are still occaisonal lockups with the MPSC console driver due to -(we think!) overrun problems. If you're looking for something stable -to use for Linux development, consider sticking with the DUART console -for now. - -Automatic memory sizing mostly works. We've had problems with some -combinations of memory. Please send us email if you're having trouble -with respect to the memory detection. - -Right now, only the 512k boot flash is supported. Support for the -16MB flash on the devices module is forthcoming. Right now the flash -is stored at the 256k boundry in flash, wasting a whole sector (64k!) -for environment data. This isn't really a big deal since we're not -using the 512k for anything else. (Just U-Boot and the environment) - -Finally, here is a sample output session: - -U-Boot 1.0.0-pre1 (Jun 6 2001 - 12:45:11) - -Initializing... - CPU: MPC7400 (altivec enabled) v2.9 - Board: EVB64260 - DRAM: 256 MB - FLASH: 512 kB - In: serial - Out: serial - Err: serial - -=> - -The default configuration should be correct for the evaluation board, -as it's shipped from Galileo. Keep in mind that the default baudrate -is set to 38400, 8N1. - -Good luck, and make sure to send any bugreports to us (or the -u-boot-users list). - -Josh diff --git a/board/evb64260/README.EVB-64260-750CX b/board/evb64260/README.EVB-64260-750CX deleted file mode 100644 index 5ea38ea..0000000 --- a/board/evb64260/README.EVB-64260-750CX +++ /dev/null @@ -1,7 +0,0 @@ -The EVB-64260-750CX is quite similar to the EVB-64260-BP already -supported except the following differences: -* It has an IBM-750CXe soldiered on board instead of the slot-1 in the - BP. -* It has a single PCI male connector instead of the 4 PCI female - connectors on the BP. It also gets power trough the PCI connector. -* It has only a single DIMM slot instead of the 2 slots in the BP. diff --git a/board/evb64260/bootseq.txt b/board/evb64260/bootseq.txt deleted file mode 100644 index 6cae9ea..0000000 --- a/board/evb64260/bootseq.txt +++ /dev/null @@ -1,94 +0,0 @@ -(cpu/mpc7xxx/start.S) - -start: - b boot_cold - -start_warm: - b boot_warm - - -boot_cold: -boot_warm: - clear bats - init l2 (if enabled) - init altivec (if enabled) - invalidate l2 (if enabled) - setup bats (from defines in config_EVB) - enable_addr_trans: (if MMU enabled) - enable MSR_IR and MSR_DR - jump to in_flash - -in_flash: - enable l1 dcache - gal_low_init: (board/evb64260/sdram_init.S) - config SDRAM (CFG, TIMING, DECODE) - init scratch regs (810 + 814) - - detect DIMM0 (bank 0 only) - config SDRAM_PARA0 to 256/512Mbit - bl sdram_op_mode - detect bank0 width - write scratch reg 810 - config SDRAM_PARA0 with results - config SDRAM_PARA1 with results - - detect DIMM1 (bank 2 only) - config SDRAM_PARA2 to 256/512Mbit - detect bank2 width - write scratch reg 814 - config SDRAM_PARA2 with results - config SDRAM_PARA3 with results - - setup device bus timings/width - setup boot device timings/width - - setup CPU_CONF (0x0) - setup cpu master control register 0x160 - setup PCI0 TIMEOUT - setup PCI1 TIMEOUT - setup PCI0 BAR - setup PCI1 BAR - - setup MPP control 0-3 - setup GPP level control - setup Serial ports multiplex - - setup stack pointer (r1) - setup GOT - call cpu_init_f - debug leds - board_init_f: (common/board.c) - board_early_init_f: - remap gt regs? - map PCI mem/io - map device space - clear out interrupts - init_timebase - env_init - serial_init - console_init_f - display_options - initdram: (board/evb64260/evb64260.c) - detect memory - for each bank: - dram_size() - setup PCI slave memory mappings - setup SCS - setup monitor - alloc board info struct - init bd struct - relocate_code: (cpu/mpc7xxx/start.S) - copy,got,clearbss - board_init_r(bd, dest_addr) (common/board.c) - setup bd function pointers - trap_init - flash_init: (board/evb64260/flash.c) - setup bd flash info - cpu_init_r: (cpu/mpc7xxx/cpu_init.c) - nothing - mem_malloc_init - malloc_bin_reloc - spi_init (r or f)??? (CONFIG_ENV_IS_IN_EEPROM) - env_relocated - misc_init_r(bd): (board/evb64260/evb64260.c) - mpsc_init2 diff --git a/board/evb64260/eth.c b/board/evb64260/eth.c deleted file mode 100644 index d7f63bd..0000000 --- a/board/evb64260/eth.c +++ /dev/null @@ -1,805 +0,0 @@ -/************************************************************************** -Etherboot - BOOTP/TFTP Bootstrap Program -Skeleton NIC driver for Etherboot -***************************************************************************/ - -/* - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * This file is a modified version from the Galileo polled mode - * network driver for the ethernet contained within the GT64260 - * chip. It has been modified to fit into the U-Boot framework, from - * the original (etherboot) setup. Also, additional cleanup and features - * were added. - * - * - Josh Huber <huber@mclx.com> - */ - -#include <common.h> -#include <malloc.h> -#include <galileo/gt64260R.h> -#include <galileo/core.h> -#include <asm/cache.h> -#include <miiphy.h> -#include <net.h> -#include <netdev.h> - -#include "eth.h" -#include "eth_addrtbl.h" - -#if defined(CONFIG_CMD_NET) - -#define GT6426x_ETH_BUF_SIZE 1536 - -/* if you like verbose output, turn this on! */ -#undef DEBUG - -/* Restart autoneg if we detect link is up on phy init. */ - -/* - * The GT doc's say that after Rst is deasserted, and the PHY - * reports autoneg complete, it runs through its autoneg - * procedures. This doesn't seem to be the case for MII - * PHY's. To work around this check for link up && autoneg - * complete when initilizing the port. If they are both set, - * then restart PHY autoneg. Of course, it may be something - * completly different. - */ -#ifdef CONFIG_ETHER_PORT_MII -# define RESTART_AUTONEG -#endif - -/* do this if you dont want to use snooping */ -#define USE_SOFTWARE_CACHE_MANAGEMENT - -#ifdef USE_SOFTWARE_CACHE_MANAGEMENT -#define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) if(dcache_status()){flush_dcache_range((u32)(a),(u32)(b));} -#define INVALIDATE_DCACHE(a,b) if(dcache_status()){invalidate_dcache_range((u32)(a),(u32)(b));} -#else -/* bummer - w/o flush, nothing works, even with snooping - FIXME */ -/* #define FLUSH_DCACHE(a,b) */ -#define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) -#define INVALIDATE_DCACHE(a,b) -#endif -struct eth_dev_s { - eth0_tx_desc_single *eth_tx_desc; - eth0_rx_desc_single *eth_rx_desc; - char *eth_tx_buffer; - char *eth_rx_buffer[NR]; - int tdn, rdn; - int dev; - unsigned int reg_base; -}; - - -#ifdef CONFIG_INTEL_LXT97X -/* for intel LXT972 */ -static const char ether_port_phy_addr[3]={0,1,2}; -#else -static const char ether_port_phy_addr[3]={4,5,6}; -#endif - -/* MII PHY access routines are common for all i/f, use gal_ent0 */ -#define GT6426x_MII_DEVNAME "gal_enet0" - -int gt6426x_miiphy_read(const char *devname, unsigned char phy, - unsigned char reg, unsigned short *val); - -static inline unsigned short -miiphy_read_ret(unsigned short phy, unsigned short reg) -{ - unsigned short val; - gt6426x_miiphy_read(GT6426x_MII_DEVNAME,phy,reg,&val); - return val; -} - - -/************************************************************************** -RESET - Reset adapter -***************************************************************************/ -void -gt6426x_eth_reset(void *v) -{ - /* we should do something here... - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = wp->priv; - */ - - printf ("RESET\n"); - /* put the card in its initial state */ -} - -static void gt6426x_handle_SMI(struct eth_dev_s *p, unsigned int icr) -{ -#ifdef DEBUG - printf("SMI interrupt: "); - - if(icr&0x20000000) { - printf("SMI done\n"); - } -#endif - - if(icr&0x10000000) { -#ifdef DEBUG - unsigned int psr; - - psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); - printf("PHY state change:\n" - " GT:%s:%s:%s:%s\n", - psr & 1 ? "100" : " 10", - psr & 8 ? " Link" : "nLink", - psr & 2 ? "FD" : "HD", - psr & 4 ? " FC" : "nFC"); - -#ifdef CONFIG_INTEL_LXT97X /* non-standard mii reg (intel lxt972a) */ - { - unsigned short mii_11; - mii_11 = miiphy_read_ret(ether_port_phy_addr[p->dev], 0x11); - - printf(" mii:%s:%s:%s:%s %s:%s %s\n", - mii_11 & (1 << 14) ? "100" : " 10", - mii_11 & (1 << 10) ? " Link" : "nLink", - mii_11 & (1 << 9) ? "FD" : "HD", - mii_11 & (1 << 4) ? " FC" : "nFC", - - mii_11 & (1 << 7) ? "ANc" : "ANnc", - mii_11 & (1 << 8) ? "AN" : "Manual", - "" - ); - } -#endif /* CONFIG_INTEL_LXT97X */ -#endif /* DEBUG */ - } -} - -static int -gt6426x_eth_receive(struct eth_dev_s *p,unsigned int icr) -{ - int eth_len=0; - char *eth_data; - - eth0_rx_desc_single *rx = &p->eth_rx_desc[(p->rdn)]; - - INVALIDATE_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); - - if (rx->command_status & 0x80000000) { - return 0; /* No packet received */ - } - - eth_len = (unsigned int) - (rx->buff_size_byte_count) & 0x0000ffff; - eth_data = (char *) p->eth_rx_buffer[p->rdn]; - -#ifdef DEBUG - if (eth_len) { - printf ("%s: Recived %d byte Packet @ 0x%p\n", - __FUNCTION__, eth_len, eth_data); - } -#endif - /* - * packet is now in: - * eth0_rx_buffer[RDN_ETH0]; - */ - - /* let the upper layer handle the packet */ - NetReceive ((uchar *)eth_data, eth_len); - - rx->buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; - - - /* GT96100 Owner */ - rx->command_status = 0x80000000; - - FLUSH_DCACHE((unsigned int)rx,(unsigned int)(rx+1)); - - p->rdn ++; - if (p->rdn == NR) {p->rdn = 0;} - - sync(); - - /* Start Rx*/ - GT_REG_WRITE (ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x00000080); - -#ifdef DEBUG - { - int i; - for (i=0;i<12;i++) { - printf(" %02x", eth_data[i]); - } - } - printf(": %d bytes\n", eth_len); -#endif - INVALIDATE_DCACHE((unsigned int)eth_data, - (unsigned int)eth_data+eth_len); - return eth_len; -} - -/************************************************************************** -POLL - look for an rx frame, handle other conditions -***************************************************************************/ -int -gt6426x_eth_poll(void *v) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = wp->priv; - unsigned int icr=GTREGREAD(ETHERNET0_INTERRUPT_CAUSE_REGISTER + p->reg_base); - - if(icr) { - GT_REG_WRITE(ETHERNET0_INTERRUPT_CAUSE_REGISTER +p->reg_base, 0); -#ifdef DEBUG - printf("poll got ICR %08x\n", icr); -#endif - /* SMI done or PHY state change*/ - if(icr&0x30000000) gt6426x_handle_SMI(p, icr); - } - /* always process. We aren't using RX interrupts */ - return gt6426x_eth_receive(p, icr); -} - -/************************************************************************** -TRANSMIT - Transmit a frame -***************************************************************************/ -int gt6426x_eth_transmit(void *v, char *p, unsigned int s) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *dev = (struct eth_dev_s *)wp->priv; -#ifdef DEBUG - unsigned int old_command_stat,old_psr; -#endif - eth0_tx_desc_single *tx = &dev->eth_tx_desc[dev->tdn]; - - /* wait for tx to be ready */ - INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); - while (tx->command_status & 0x80000000) { - int i; - for(i=0;i<1000;i++); - INVALIDATE_DCACHE((unsigned int)tx,(unsigned int)(tx+1)); - } - - GT_REG_WRITE (ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + dev->reg_base, - (unsigned int)tx); - -#ifdef DEBUG - printf("copying to tx_buffer [%p], length %x, desc = %p\n", - dev->eth_tx_buffer, s, dev->eth_tx_desc); -#endif - memcpy(dev->eth_tx_buffer, (char *) p, s); - - tx->buff_pointer = (uchar *)dev->eth_tx_buffer; - tx->bytecount_reserved = ((__u16)s) << 16; - - /* 31 - own - * 22 - gencrc - * 18:16 - pad, last, first */ - tx->command_status = (1<<31) | (1<<22) | (7<<16); -#if 0 - /* FEr #18 */ - tx->next_desc = NULL; -#else - tx->next_desc = - (struct eth0_tx_desc_struct *) - &dev->eth_tx_desc[(dev->tdn+1)%NT].bytecount_reserved; - - /* cpu owned */ - dev->eth_tx_desc[(dev->tdn+1)%NT].command_status = (7<<16); /* pad, last, first */ -#endif - -#ifdef DEBUG - old_command_stat=tx->command_status, - old_psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); -#endif - - FLUSH_DCACHE((unsigned int)tx, - (unsigned int)&dev->eth_tx_desc[(dev->tdn+2)%NT]); - - FLUSH_DCACHE((unsigned int)dev->eth_tx_buffer,(unsigned int)dev->eth_tx_buffer+s); - - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + dev->reg_base, 0x01000000); - -#ifdef DEBUG - { - unsigned int command_stat=0; - printf("cmd_stat: %08x PSR: %08x\n", old_command_stat, old_psr); - /* wait for tx to be ready */ - do { - unsigned int psr=GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + dev->reg_base); - command_stat=tx->command_status; - if(command_stat!=old_command_stat || psr !=old_psr) { - printf("cmd_stat: %08x PSR: %08x\n", command_stat, psr); - old_command_stat = command_stat; - old_psr = psr; - } - /* gt6426x_eth0_poll(); */ - } while (command_stat & 0x80000000); - - printf("sent %d byte frame\n", s); - - if((command_stat & (3<<15)) == 3) { - printf("frame had error (stat=%08x)\n", command_stat); - } - } -#endif - return 0; -} - -/************************************************************************** -DISABLE - Turn off ethernet interface -***************************************************************************/ -void -gt6426x_eth_disable(void *v) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; - - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + p->reg_base, 0x80008000); -} - -/************************************************************************** -MII utilities - write: write to an MII register via SMI -***************************************************************************/ -int -gt6426x_miiphy_write(const char *devname, unsigned char phy, - unsigned char reg, unsigned short data) -{ - unsigned int temp= (reg<<21) | (phy<<16) | data; - - while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ - - GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); - return 0; -} - -/************************************************************************** -MII utilities - read: read from an MII register via SMI -***************************************************************************/ -int -gt6426x_miiphy_read(const char *devname, unsigned char phy, - unsigned char reg, unsigned short *val) -{ - unsigned int temp= (reg<<21) | (phy<<16) | 1<<26; - - while(GTREGREAD(ETHERNET_SMI_REGISTER) & (1<<28)); /* wait for !Busy */ - - GT_REG_WRITE(ETHERNET_SMI_REGISTER, temp); - - while(1) { - temp=GTREGREAD(ETHERNET_SMI_REGISTER); - if(temp & (1<<27)) break; /* wait for ReadValid */ - } - *val = temp & 0xffff; - - return 0; -} - -#ifdef DEBUG -/************************************************************************** -MII utilities - dump mii registers -***************************************************************************/ -static void -gt6426x_dump_mii(bd_t *bis, unsigned short phy) -{ - printf("mii reg 0 - 3: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x0), - miiphy_read_ret(phy, 0x1), - miiphy_read_ret(phy, 0x2), - miiphy_read_ret(phy, 0x3) - ); - printf(" 4 - 7: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x4), - miiphy_read_ret(phy, 0x5), - miiphy_read_ret(phy, 0x6), - miiphy_read_ret(phy, 0x7) - ); - printf(" 8: %04x\n", - miiphy_read_ret(phy, 0x8) - ); - printf(" 16-19: %04x %04x %04x %04x\n", - miiphy_read_ret(phy, 0x10), - miiphy_read_ret(phy, 0x11), - miiphy_read_ret(phy, 0x12), - miiphy_read_ret(phy, 0x13) - ); - printf(" 20,30: %04x %04x\n", - miiphy_read_ret(phy, 20), - miiphy_read_ret(phy, 30) - ); -} -#endif - -#ifdef RESTART_AUTONEG - -/* If link is up && autoneg compleate, and if - * GT and PHY disagree about link capabilitys, - * restart autoneg - something screwy with FD/HD - * unless we do this. */ -static void -check_phy_state(struct eth_dev_s *p) -{ - int bmsr = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_BMSR); - int psr = GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + p->reg_base); - - if ((psr & 1<<3) && (bmsr & BMSR_LSTATUS)) { - int nego = miiphy_read_ret(ether_port_phy_addr[p->dev], MII_ADVERTISE) & - miiphy_read_ret(ether_port_phy_addr[p->dev], MII_LPA); - int want; - - if (nego & LPA_100FULL) { - want = 0x3; - printf("MII: 100Base-TX, Full Duplex\n"); - } else if (nego & LPA_100HALF) { - want = 0x1; - printf("MII: 100Base-TX, Half Duplex\n"); - } else if (nego & LPA_10FULL) { - want = 0x2; - printf("MII: 10Base-T, Full Duplex\n"); - } else if (nego & LPA_10HALF) { - want = 0x0; - printf("MII: 10Base-T, Half Duplex\n"); - } else { - printf("MII: Unknown link-foo! %x\n", nego); - return; - } - - if ((psr & 0x3) != want) { - printf("MII: GT thinks %x, PHY thinks %x, restarting autoneg..\n", - psr & 0x3, want); - miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev],0, - miiphy_read_ret(ether_port_phy_addr[p->dev],0) | (1<<9)); - udelay(10000); /* the EVB's GT takes a while to notice phy - went down and up */ - } - } -} -#endif - -/************************************************************************** -PROBE - Look for an adapter, this routine's visible to the outside -***************************************************************************/ -int -gt6426x_eth_probe(void *v, bd_t *bis) -{ - struct eth_device *wp = (struct eth_device *)v; - struct eth_dev_s *p = (struct eth_dev_s *)wp->priv; - int dev = p->dev; - unsigned int reg_base = p->reg_base; - unsigned long temp; - int i; - - if (( dev < 0 ) || ( dev >= GAL_ETH_DEVS )) - { /* This should never happen */ - printf("%s: Invalid device %d\n", __FUNCTION__, dev ); - return 0; - } - -#ifdef DEBUG - printf ("%s: initializing %s\n", __FUNCTION__, wp->name ); - printf ("\nCOMM_CONTROL = %08x , COMM_CONF = %08x\n", - GTREGREAD(COMM_UNIT_ARBITER_CONTROL), - GTREGREAD(COMM_UNIT_ARBITER_CONFIGURATION_REGISTER)); -#endif - - /* clear MIB counters */ - for(i=0;i<255; i++) - temp=GTREGREAD(ETHERNET0_MIB_COUNTER_BASE + reg_base +i); - -#ifdef CONFIG_INTEL_LXT97X - /* for intel LXT972 */ - - /* led 1: 0x1=txact - led 2: 0xc=link/rxact - led 3: 0x2=rxact (N/C) - strch: 0,2=30 ms, enable */ - miiphy_write(GT6426x_MII_DEVNAME,ether_port_phy_addr[p->dev], 20, 0x1c22); - - /* 2.7ns port rise time */ - /*miiphy_write(ether_port_phy_addr[p->dev], 30, 0x0<<10); */ -#else - /* already set up in mpsc.c */ - /*GT_REG_WRITE(MAIN_ROUTING_REGISTER, 0x7ffe38); / b400 */ - - /* already set up in sdram_init.S... */ - /* MPSC0, MPSC1, RMII */ - /*GT_REG_WRITE(SERIAL_PORT_MULTIPLEX, 0x1102); / f010 */ -#endif - GT_REG_WRITE(ETHERNET_PHY_ADDRESS_REGISTER, - ether_port_phy_addr[0] | - (ether_port_phy_addr[1]<<5) | - (ether_port_phy_addr[2]<<10)); /* 2000 */ - - /* 13:12 - 10: 4x64bit burst (cache line size = 32 bytes) - * 9 - 1: RIFB - interrupt on frame boundaries only - * 6:7 - 00: big endian rx and tx - * 5:2 - 1111: 15 retries */ - GT_REG_WRITE(ETHERNET0_SDMA_CONFIGURATION_REGISTER + reg_base, - (2<<12) | (1<<9) | (0xf<<2) ); /* 2440 */ - -#ifndef USE_SOFTWARE_CACHE_MANAGEMENT - /* enable rx/tx desc/buffer cache snoop */ - GT_REG_READ(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, - &temp); /* f200 */ - temp|= (1<<6)| (1<<14)| (1<<22)| (1<<30); - GT_REG_WRITE(ETHERNET_0_ADDRESS_CONTROL_LOW + dev*0x20, - temp); -#endif - - /* 31 28 27 24 23 20 19 16 - * 0000 0000 0000 0000 [0004] - * 15 12 11 8 7 4 3 0 - * 1000 1101 0000 0000 [4d00] - * 20 - 0=MII 1=RMII - * 19 - 0=speed autoneg - * 15:14 - framesize 1536 (GT6426x_ETH_BUF_SIZE) - * 11 - no force link pass - * 10 - 1=disable fctl autoneg - * 8 - override prio ?? */ - temp = 0x00004d00; -#ifndef CONFIG_ETHER_PORT_MII - temp |= (1<<20); /* RMII */ -#endif - /* set En */ - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + reg_base, - temp); /* 2408 */ - - /* hardcode E1 also? */ - /* -- according to dox, this is safer due to extra pulldowns? */ - if (dev<2) { - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_EXTEND_REGISTER + (dev+1) * 0x400, - temp); /* 2408 */ - } - - /* wake up MAC */ /* 2400 */ - GT_REG_READ(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, &temp); - temp |= (1<<7); /* enable port */ -#ifdef CONFIG_GT_USE_MAC_HASH_TABLE - temp |= (1<<12); /* hash size 1/2k */ -#else - temp |= 1; /* promisc */ -#endif - GT_REG_WRITE(ETHERNET0_PORT_CONFIGURATION_REGISTER + reg_base, temp); - /* 2400 */ - -#ifdef RESTART_AUTONEG - check_phy_state(p); -#endif - - printf("%s: Waiting for link up..\n", wp->name); - temp = 10 * 1000; - /* wait for link back up */ - while(!(GTREGREAD(ETHERNET0_PORT_STATUS_REGISTER + reg_base) & 8) - && (--temp > 0)){ - udelay(1000); /* wait 1 ms */ - } - if ( temp == 0) { - printf("%s: Failed!\n", wp->name); - return (0); - } - - printf("%s: OK!\n", wp->name); - - p->tdn = 0; - p->rdn = 0; - p->eth_tx_desc[p->tdn].command_status = 0; - - /* Initialize Rx Side */ - for (temp = 0; temp < NR; temp++) { - p->eth_rx_desc[temp].buff_pointer = (uchar *)p->eth_rx_buffer[temp]; - p->eth_rx_desc[temp].buff_size_byte_count = GT6426x_ETH_BUF_SIZE<<16; - - /* GT96100 Owner */ - p->eth_rx_desc[temp].command_status = 0x80000000; - p->eth_rx_desc[temp].next_desc = - (struct eth0_rx_desc_struct *) - &p->eth_rx_desc[(temp+1)%NR].buff_size_byte_count; - } - - FLUSH_DCACHE((unsigned int)&p->eth_tx_desc[0], - (unsigned int)&p->eth_tx_desc[NR]); - FLUSH_DCACHE((unsigned int)&p->eth_rx_desc[0], - (unsigned int)&p->eth_rx_desc[NR]); - - GT_REG_WRITE(ETHERNET0_CURRENT_TX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_tx_desc); - GT_REG_WRITE(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_rx_desc); - GT_REG_WRITE(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base, - (unsigned int) p->eth_rx_desc); - -#ifdef DEBUG - printf ("\nRx descriptor pointer is %08x %08x\n", - GTREGREAD(ETHERNET0_FIRST_RX_DESCRIPTOR_POINTER0 + reg_base), - GTREGREAD(ETHERNET0_CURRENT_RX_DESCRIPTOR_POINTER0 + reg_base)); - printf ("\n\n%08x %08x\n", - (unsigned int)p->eth_rx_desc,p->eth_rx_desc[0].command_status); - - printf ("Descriptor dump:\n"); - printf ("cmd status: %08x\n",p->eth_rx_desc[0].command_status); - printf ("byte_count: %08x\n",p->eth_rx_desc[0].buff_size_byte_count); - printf ("buff_ptr: %08x\n",(unsigned int)p->eth_rx_desc[0].buff_pointer); - printf ("next_desc: %08x\n\n",(unsigned int)p->eth_rx_desc[0].next_desc); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x0)); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x4)); - printf ("%08x\n",*(unsigned int *) ((unsigned int)p->eth_rx_desc + 0x8)); - printf ("%08x\n\n", - *(unsigned int *) ((unsigned int)p->eth_rx_desc + 0xc)); -#endif - -#ifdef DEBUG - gt6426x_dump_mii(bis,ether_port_phy_addr[p->dev]); -#endif - -#ifdef CONFIG_GT_USE_MAC_HASH_TABLE - { - unsigned int hashtable_base; - u8 *b = (u8 *)(wp->enetaddr); - u32 macH, macL; - - /* twist the MAC up into the way the discovery wants it */ - macH= (b[0]<<8) | b[1]; - macL= (b[2]<<24) | (b[3]<<16) | (b[4]<<8) | b[5]; - - /* mode 0, size 0x800 */ - hashtable_base =initAddressTable(dev,0,1); - - if(!hashtable_base) { - printf("initAddressTable failed\n"); - return 0; - } - - addAddressTableEntry(dev, macH, macL, 1, 0); - GT_REG_WRITE(ETHERNET0_HASH_TABLE_POINTER_REGISTER + reg_base, - hashtable_base); - } -#endif - - /* Start Rx*/ - GT_REG_WRITE(ETHERNET0_SDMA_COMMAND_REGISTER + reg_base, 0x00000080); - printf("%s: gt6426x eth device %d init success \n", wp->name, dev ); - return 1; -} - -/* enter all the galileo ethernet devs into MULTI-BOOT */ -void -gt6426x_eth_initialize(bd_t *bis) -{ - struct eth_device *dev; - struct eth_dev_s *p; - int devnum, x, temp; - char *s, *e, buf[64]; - -#ifdef DEBUG - printf( "\n%s\n", __FUNCTION ); -#endif - - for (devnum = 0; devnum < GAL_ETH_DEVS; devnum++) { - dev = calloc(sizeof(*dev), 1); - if (!dev) { - printf( "%s: gal_enet%d allocation failure, %s\n", - __FUNCTION__, devnum, "eth_device structure"); - return; - } - - /* must be less than sizeof(dev->name) */ - sprintf(dev->name, "gal_enet%d", devnum); - -#ifdef DEBUG - printf( "Initializing %s\n", dev->name ); -#endif - - /* Extract the MAC address from the environment */ - switch (devnum) - { - case 0: s = "ethaddr"; break; -#if (GAL_ETH_DEVS > 1) - case 1: s = "eth1addr"; break; -#endif -#if (GAL_ETH_DEVS > 2) - case 2: s = "eth2addr"; break; -#endif - default: /* this should never happen */ - printf( "%s: Invalid device number %d\n", - __FUNCTION__, devnum ); - return; - } - - temp = getenv_f(s, buf, sizeof(buf)); - s = (temp > 0) ? buf : NULL; - -#ifdef DEBUG - printf ("Setting MAC %d to %s\n", devnum, s ); -#endif - for (x = 0; x < 6; ++x) { - dev->enetaddr[x] = s ? simple_strtoul(s, &e, 16) : 0; - if (s) - s = (*e) ? e+1 : e; - } - - dev->init = (void*)gt6426x_eth_probe; - dev->halt = (void*)gt6426x_eth_reset; - dev->send = (void*)gt6426x_eth_transmit; - dev->recv = (void*)gt6426x_eth_poll; - - p = calloc( sizeof(*p), 1 ); - dev->priv = (void*)p; - if (!p) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Private Device Structure"); - free(dev); - return; - } - - p->dev = devnum; - p->tdn=0; - p->rdn=0; - p->reg_base = devnum * ETHERNET_PORTS_DIFFERENCE_OFFSETS; - - p->eth_tx_desc = - (eth0_tx_desc_single *) - (((unsigned int) malloc(sizeof (eth0_tx_desc_single) * - (NT+1)) & 0xfffffff0) + 0x10); - if (!p) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Tx Descriptor"); - free(dev); - return; - } - - p->eth_rx_desc = - (eth0_rx_desc_single *) - (((unsigned int) malloc(sizeof (eth0_rx_desc_single) * - (NR+1)) & 0xfffffff0) + 0x10); - if (!p->eth_rx_desc) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Rx Descriptor"); - free(dev); - free(p); - return; - } - - p->eth_tx_buffer = - (char *) (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); - if (!p->eth_tx_buffer) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Tx Bufffer"); - free(dev); - free(p); - free(p->eth_rx_desc); - return; - } - - for (temp = 0 ; temp < NR ; temp ++) { - p->eth_rx_buffer[temp] = - (char *) - (((unsigned int) malloc(GT6426x_ETH_BUF_SIZE) & 0xfffffff0) + 0x10); - if (!p->eth_rx_buffer[temp]) - { - printf( "%s: %s allocation failure, %s\n", - __FUNCTION__, dev->name, "Rx Buffers"); - free(dev); - free(p); - free(p->eth_tx_buffer); - free(p->eth_rx_desc); - free(p->eth_tx_desc); - while (temp >= 0) - free(p->eth_rx_buffer[--temp]); - return; - } - } - - - eth_register(dev); -#if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) - miiphy_register(dev->name, - gt6426x_miiphy_read, gt6426x_miiphy_write); -#endif - } - -} -#endif diff --git a/board/evb64260/eth.h b/board/evb64260/eth.h deleted file mode 100644 index 99581f0..0000000 --- a/board/evb64260/eth.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * eth.h - header file for the polled mode GT ethernet driver - */ - -#ifndef __GT6426x_ETH_H__ -#define __GT6426x_ETH_H__ - -#include <asm/types.h> -#include <asm/io.h> -#include <asm/byteorder.h> -#include <common.h> - -typedef struct eth0_tx_desc_struct { - volatile __u32 bytecount_reserved; - volatile __u32 command_status; - volatile struct eth0_tx_desc_struct * next_desc; - /* Note - the following will not work for 64 bit addressing */ - volatile unsigned char * buff_pointer; -} __attribute__ ((packed)) eth0_tx_desc_single; - -typedef struct eth0_rx_desc_struct { - volatile __u32 buff_size_byte_count; - volatile __u32 command_status; - volatile struct eth0_rx_desc_struct * next_desc; - volatile unsigned char * buff_pointer; -} __attribute__ ((packed)) eth0_rx_desc_single; - -#define NT 20 /* Number of Transmit buffers */ -#define NR 20 /* Number of Receive buffers */ -#define MAX_BUFF_SIZE (1536+2*CACHE_LINE_SIZE) /* 1600 */ -#define ETHERNET_PORTS_DIFFERENCE_OFFSETS 0x400 - -unsigned long TDN_ETH0 , RDN_ETH0; /* Rx/Tx current Descriptor Number*/ -unsigned int EVB64260_ETH0_irq; - -#define CLOSED 0 -#define OPENED 1 - -#define PORT_ETH0 0 - -extern eth0_tx_desc_single *eth0_tx_desc; -extern eth0_rx_desc_single *eth0_rx_desc; -extern char *eth0_tx_buffer; -extern char *eth0_rx_buffer[NR]; -extern char *eth_data; - -extern int gt6426x_eth_poll(void *v); -extern int gt6426x_eth_transmit(void *v, char *p, unsigned int s); -extern void gt6426x_eth_disable(void *v); -extern int gt6426x_eth_probe(void *v, bd_t *bis); - -#endif /* __GT64260x_ETH_H__ */ diff --git a/board/evb64260/eth_addrtbl.c b/board/evb64260/eth_addrtbl.c deleted file mode 100644 index 8c2c17f..0000000 --- a/board/evb64260/eth_addrtbl.c +++ /dev/null @@ -1,218 +0,0 @@ -#include <common.h> -#include <malloc.h> -#include <galileo/gt64260R.h> -#include <galileo/core.h> -#include <asm/cache.h> -#include "eth.h" -#include "eth_addrtbl.h" - -#define PRINTF printf - -#ifdef CONFIG_GT_USE_MAC_HASH_TABLE - -static u32 addressTableHashMode[GAL_ETH_DEVS] = { 0, }; -static u32 addressTableHashSize[GAL_ETH_DEVS] = { 0, }; -static addrTblEntry *addressTableBase[GAL_ETH_DEVS] = { 0, }; -static void *realAddrTableBase[GAL_ETH_DEVS] = { 0, }; - -static const u32 hashLength[2] = { - (0x8000), /* 8K * 4 entries */ - (0x8000 / 16), /* 512 * 4 entries */ -}; - -/* Initialize the address table for a port, if needed */ -unsigned int initAddressTable (u32 port, u32 hashMode, u32 hashSizeSelector) -{ - unsigned int tableBase; - - if (port < 0 || port >= GAL_ETH_DEVS) { - printf ("%s: Invalid port number %d\n", __FUNCTION__, port); - return 0; - } - - if (hashMode > 1) { - printf ("%s: Invalid Hash Mode %d\n", __FUNCTION__, port); - return 0; - } - - if (realAddrTableBase[port] && - (addressTableHashSize[port] != hashSizeSelector)) { - /* we have been here before, - * but now we want a different sized table - */ - free (realAddrTableBase[port]); - realAddrTableBase[port] = 0; - addressTableBase[port] = 0; - - } - - tableBase = (unsigned int) addressTableBase[port]; - /* we get called for every probe, so only do this once */ - if (!tableBase) { - int bytes = - hashLength[hashSizeSelector] * sizeof (addrTblEntry); - - realAddrTableBase[port] = - malloc (bytes + 64); - tableBase = (unsigned int)realAddrTableBase; - - if (!tableBase) { - printf ("%s: alloc memory failed \n", __FUNCTION__); - return 0; - } - - /* align to octal byte */ - if (tableBase & 63) - tableBase = (tableBase + 63) & ~63; - - addressTableHashMode[port] = hashMode; - addressTableHashSize[port] = hashSizeSelector; - addressTableBase[port] = (addrTblEntry *) tableBase; - - memset ((void *) tableBase, 0, bytes); - } - - return tableBase; -} - -/* - * ---------------------------------------------------------------------------- - * This function will calculate the hash function of the address. - * depends on the hash mode and hash size. - * Inputs - * macH - the 2 most significant bytes of the MAC address. - * macL - the 4 least significant bytes of the MAC address. - * hashMode - hash mode 0 or hash mode 1. - * hashSizeSelector - indicates number of hash table entries (0=0x8000,1=0x800) - * Outputs - * return the calculated entry. - */ -u32 hashTableFunction (u32 macH, u32 macL, u32 HashSize, u32 hash_mode) -{ - u32 hashResult; - u32 addrH; - u32 addrL; - u32 addr0; - u32 addr1; - u32 addr2; - u32 addr3; - u32 addrHSwapped; - u32 addrLSwapped; - - - addrH = NIBBLE_SWAPPING_16_BIT (macH); - addrL = NIBBLE_SWAPPING_32_BIT (macL); - - addrHSwapped = FLIP_4_BITS (addrH & 0xf) - + ((FLIP_4_BITS ((addrH >> 4) & 0xf)) << 4) - + ((FLIP_4_BITS ((addrH >> 8) & 0xf)) << 8) - + ((FLIP_4_BITS ((addrH >> 12) & 0xf)) << 12); - - addrLSwapped = FLIP_4_BITS (addrL & 0xf) - + ((FLIP_4_BITS ((addrL >> 4) & 0xf)) << 4) - + ((FLIP_4_BITS ((addrL >> 8) & 0xf)) << 8) - + ((FLIP_4_BITS ((addrL >> 12) & 0xf)) << 12) - + ((FLIP_4_BITS ((addrL >> 16) & 0xf)) << 16) - + ((FLIP_4_BITS ((addrL >> 20) & 0xf)) << 20) - + ((FLIP_4_BITS ((addrL >> 24) & 0xf)) << 24) - + ((FLIP_4_BITS ((addrL >> 28) & 0xf)) << 28); - - addrH = addrHSwapped; - addrL = addrLSwapped; - - if (hash_mode == 0) { - addr0 = (addrL >> 2) & 0x03f; - addr1 = (addrL & 0x003) | ((addrL >> 8) & 0x7f) << 2; - addr2 = (addrL >> 15) & 0x1ff; - addr3 = ((addrL >> 24) & 0x0ff) | ((addrH & 1) << 8); - } else { - addr0 = FLIP_6_BITS (addrL & 0x03f); - addr1 = FLIP_9_BITS (((addrL >> 6) & 0x1ff)); - addr2 = FLIP_9_BITS ((addrL >> 15) & 0x1ff); - addr3 = FLIP_9_BITS ((((addrL >> 24) & 0x0ff) | - ((addrH & 0x1) << 8))); - } - - hashResult = (addr0 << 9) | (addr1 ^ addr2 ^ addr3); - - if (HashSize == _8K_TABLE) { - hashResult = hashResult & 0xffff; - } else { - hashResult = hashResult & 0x07ff; - } - - return (hashResult); -} - - -/* - * ---------------------------------------------------------------------------- - * This function will add an entry to the address table. - * depends on the hash mode and hash size that was initialized. - * Inputs - * port - ETHERNET port number. - * macH - the 2 most significant bytes of the MAC address. - * macL - the 4 least significant bytes of the MAC address. - * skip - if 1, skip this address. - * rd - the RD field in the address table. - * Outputs - * address table entry is added. - * true if success. - * false if table full - */ -int addAddressTableEntry (u32 port, u32 macH, u32 macL, u32 rd, u32 skip) -{ - addrTblEntry *entry; - u32 newHi; - u32 newLo; - u32 i; - - newLo = (((macH >> 4) & 0xf) << 15) - | (((macH >> 0) & 0xf) << 11) - | (((macH >> 12) & 0xf) << 7) - | (((macH >> 8) & 0xf) << 3) - | (((macL >> 20) & 0x1) << 31) - | (((macL >> 16) & 0xf) << 27) - | (((macL >> 28) & 0xf) << 23) - | (((macL >> 24) & 0xf) << 19) - | (skip << SKIP_BIT) | (rd << 2) | VALID; - - newHi = (((macL >> 4) & 0xf) << 15) - | (((macL >> 0) & 0xf) << 11) - | (((macL >> 12) & 0xf) << 7) - | (((macL >> 8) & 0xf) << 3) - | (((macL >> 21) & 0x7) << 0); - - /* - * Pick the appropriate table, start scanning for free/reusable - * entries at the index obtained by hashing the specified MAC address - */ - entry = addressTableBase[port]; - entry += hashTableFunction (macH, macL, addressTableHashSize[port], - addressTableHashMode[port]); - for (i = 0; i < HOP_NUMBER; i++, entry++) { - if (!(entry->lo & VALID) /*|| (entry->lo & SKIP) */ ) { - break; - } else { /* if same address put in same position */ - if (((entry->lo & 0xfffffff8) == (newLo & 0xfffffff8)) - && (entry->hi == newHi)) { - break; - } - } - } - - if (i == HOP_NUMBER) { - PRINTF ("addGT64260addressTableEntry: table section is full\n"); - return false; - } - - /* - * Update the selected entry - */ - entry->hi = newHi; - entry->lo = newLo; - DCACHE_FLUSH_N_SYNC ((u32) entry, MAC_ENTRY_SIZE); - return true; -} - -#endif /* CONFIG_GT_USE_MAC_HASH_TABLE */ diff --git a/board/evb64260/eth_addrtbl.h b/board/evb64260/eth_addrtbl.h deleted file mode 100644 index 5a62c67..0000000 --- a/board/evb64260/eth_addrtbl.h +++ /dev/null @@ -1,83 +0,0 @@ -#ifndef _ADDRESS_TABLE_H -#define _ADDRESS_TABLE_H 1 - -/* - * ---------------------------------------------------------------------------- - * addressTable.h - this file has all the declarations of the address table - */ - -#define _8K_TABLE 0 -#define ADDRESS_TABLE_ALIGNMENT 8 -#define HASH_DEFAULT_MODE 14 -#define HASH_MODE 13 -#define HASH_SIZE 12 -#define HOP_NUMBER 12 -#define MAC_ADDRESS_STRING_SIZE 12 -#define MAC_ENTRY_SIZE sizeof(addrTblEntry) -#define MAX_NUMBER_OF_ADDRESSES_TO_STORE 1000 -#define PROMISCUOUS_MODE 0 -#define SKIP 1<<1 -#define SKIP_BIT 1 -#define VALID 1 - -/* - * ---------------------------------------------------------------------------- - * XXX_MIKE - potential sign-extension bugs lurk here... - */ -#define NIBBLE_SWAPPING_32_BIT(X) ( (((X) & 0xf0f0f0f0) >> 4) \ - | (((X) & 0x0f0f0f0f) << 4) ) - -#define NIBBLE_SWAPPING_16_BIT(X) ( (((X) & 0x0000f0f0) >> 4) \ - | (((X) & 0x00000f0f) << 4) ) - -#define FLIP_4_BITS(X) ( (((X) & 0x01) << 3) | (((X) & 0x002) << 1) \ - | (((X) & 0x04) >> 1) | (((X) & 0x008) >> 3) ) - -#define FLIP_6_BITS(X) ( (((X) & 0x01) << 5) | (((X) & 0x020) >> 5) \ - | (((X) & 0x02) << 3) | (((X) & 0x010) >> 3) \ - | (((X) & 0x04) << 1) | (((X) & 0x008) >> 1) ) - -#define FLIP_9_BITS(X) ( (((X) & 0x01) << 8) | (((X) & 0x100) >> 8) \ - | (((X) & 0x02) << 6) | (((X) & 0x080) >> 6) \ - | (((X) & 0x04) << 4) | (((X) & 0x040) >> 4) \ - | ((X) & 0x10) | (((X) & 0x08) << 2) | (((X) & 0x020) >> 2) ) - -/* - * V: value we're operating on - * O: offset of rightmost bit in field - * W: width of field to shift - * S: distance to shift left - */ -#define MASK( fieldWidth ) ((1 << (fieldWidth)) - 1) -#define leftShiftedBitfield( V,O,W,S) (((V) & (MASK(W) << (O))) << (S)) -#define rightShiftedBitfield(V,O,W,S) (((u32)((V) & (MASK(W) << (O)))) >> (S)) - - -/* - * Push to main memory all cache lines associated with - * the specified range of virtual memory addresses - * - * A: Address of first byte in range to flush - * N: Number of bytes to flush - * Note - flush_dcache_range() does a "sync", does NOT invalidate - */ -#define DCACHE_FLUSH_N_SYNC( A, N ) flush_dcache_range( (A), ((A)+(N)) ) - - -typedef struct addressTableEntryStruct { - u32 hi; - u32 lo; -} addrTblEntry; - -u32 -uncachedPages( u32 pages ); -u32 -hashTableFunction( u32 macH, u32 macL, u32 HashSize, u32 hash_mode ); - -unsigned int -initAddressTable( u32 port, u32 hashMode, u32 hashSize ); - -int -addAddressTableEntry( u32 port, u32 macH, u32 macL, u32 rd, u32 skip ); - -#endif /* #ifndef _ADDRESS_TABLE_H */ diff --git a/board/evb64260/evb64260.c b/board/evb64260/evb64260.c deleted file mode 100644 index 74f8819..0000000 --- a/board/evb64260/evb64260.c +++ /dev/null @@ -1,436 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * evb64260.c - main board support/init for the Galileo Eval board. - */ - -#include <common.h> -#include <74xx_7xx.h> -#include <galileo/memory.h> -#include <galileo/pci.h> -#include <galileo/gt64260R.h> -#include <net.h> -#include <netdev.h> -#include <linux/compiler.h> - -#include <asm/io.h> -#include "eth.h" -#include "mpsc.h" -#include "i2c.h" -#include "64260.h" - -DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_ZUMA_V2 -extern void zuma_mbox_init(void); -#endif - -#undef DEBUG -#define MAP_PCI - -#ifdef DEBUG -#define DP(x) x -#else -#define DP(x) -#endif - -/* ------------------------------------------------------------------------- */ - -/* this is the current GT register space location */ -/* it starts at CONFIG_SYS_DFL_GT_REGS but moves later to CONFIG_SYS_GT_REGS */ - -/* Unfortunately, we cant change it while we are in flash, so we initialize it - * to the "final" value. This means that any debug_led calls before - * board_early_init_f wont work right (like in cpu_init_f). - * See also my_remap_gt_regs below. (NTL) - */ - -unsigned int INTERNAL_REG_BASE_ADDR = CONFIG_SYS_GT_REGS; - -/* ------------------------------------------------------------------------- */ - -/* - * This is a version of the GT register space remapping function that - * doesn't touch globals (meaning, it's ok to run from flash.) - * - * Unfortunately, this has the side effect that a writable - * INTERNAL_REG_BASE_ADDR is impossible. Oh well. - */ - -void -my_remap_gt_regs(u32 cur_loc, u32 new_loc) -{ - u32 temp; - - /* check and see if it's already moved */ - temp = in_le32((u32 *)(new_loc + INTERNAL_SPACE_DECODE)); - if ((temp & 0xffff) == new_loc >> 20) - return; - - temp = (in_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE)) & - 0xffff0000) | (new_loc >> 20); - - out_le32((u32 *)(cur_loc + INTERNAL_SPACE_DECODE), temp); - - while (GTREGREAD(INTERNAL_SPACE_DECODE) != temp); -} - -static void -gt_pci_config(void) -{ - /* move PCI stuff out of the way - NTL */ - /* map PCI Host 0 */ - pciMapSpace(PCI_HOST0, PCI_REGION0, CONFIG_SYS_PCI0_0_MEM_SPACE, - CONFIG_SYS_PCI0_0_MEM_SPACE, CONFIG_SYS_PCI0_MEM_SIZE); - - pciMapSpace(PCI_HOST0, PCI_REGION1, 0, 0, 0); - pciMapSpace(PCI_HOST0, PCI_REGION2, 0, 0, 0); - pciMapSpace(PCI_HOST0, PCI_REGION3, 0, 0, 0); - - pciMapSpace(PCI_HOST0, PCI_IO, CONFIG_SYS_PCI0_IO_SPACE_PCI, - CONFIG_SYS_PCI0_IO_SPACE, CONFIG_SYS_PCI0_IO_SIZE); - - /* map PCI Host 1 */ - pciMapSpace(PCI_HOST1, PCI_REGION0, CONFIG_SYS_PCI1_0_MEM_SPACE, - CONFIG_SYS_PCI1_0_MEM_SPACE, CONFIG_SYS_PCI1_MEM_SIZE); - - pciMapSpace(PCI_HOST1, PCI_REGION1, 0, 0, 0); - pciMapSpace(PCI_HOST1, PCI_REGION2, 0, 0, 0); - pciMapSpace(PCI_HOST1, PCI_REGION3, 0, 0, 0); - - pciMapSpace(PCI_HOST1, PCI_IO, CONFIG_SYS_PCI1_IO_SPACE_PCI, - CONFIG_SYS_PCI1_IO_SPACE, CONFIG_SYS_PCI1_IO_SIZE); - - /* PCI interface settings */ - GT_REG_WRITE(PCI_0TIMEOUT_RETRY, 0xffff); - GT_REG_WRITE(PCI_1TIMEOUT_RETRY, 0xffff); - GT_REG_WRITE(PCI_0BASE_ADDRESS_REGISTERS_ENABLE, 0xfffff80e); - GT_REG_WRITE(PCI_1BASE_ADDRESS_REGISTERS_ENABLE, 0xfffff80e); - - -} - -/* Setup CPU interface paramaters */ -static void -gt_cpu_config(void) -{ - cpu_t cpu = get_cpu_type(); - ulong tmp; - - /* cpu configuration register */ - tmp = GTREGREAD(CPU_CONFIGURATION); - - /* set the AACK delay bit - * see Res#14 */ - tmp |= CPU_CONF_AACK_DELAY; - tmp &= ~CPU_CONF_AACK_DELAY_2; /* New RGF */ - - /* Galileo claims this is necessary for all busses >= 100 MHz */ - tmp |= CPU_CONF_FAST_CLK; - - if (cpu == CPU_750CX) { - tmp &= ~CPU_CONF_DP_VALID; /* Safer, needed for CXe. RGF */ - tmp &= ~CPU_CONF_AP_VALID; - } else { - tmp |= CPU_CONF_DP_VALID; - tmp |= CPU_CONF_AP_VALID; - } - - /* this only works with the MPX bus */ - tmp &= ~CPU_CONF_RD_OOO; /* Safer RGF */ - tmp |= CPU_CONF_PIPELINE; - tmp |= CPU_CONF_TA_DELAY; - - GT_REG_WRITE(CPU_CONFIGURATION, tmp); - - /* CPU master control register */ - tmp = GTREGREAD(CPU_MASTER_CONTROL); - - tmp |= CPU_MAST_CTL_ARB_EN; - - if ((cpu == CPU_7400) || - (cpu == CPU_7410) || - (cpu == CPU_7450)) { - - tmp |= CPU_MAST_CTL_CLEAN_BLK; - tmp |= CPU_MAST_CTL_FLUSH_BLK; - - } else { - /* cleanblock must be cleared for CPUs - * that do not support this command - * see Res#1 */ - tmp &= ~CPU_MAST_CTL_CLEAN_BLK; - tmp &= ~CPU_MAST_CTL_FLUSH_BLK; - } - GT_REG_WRITE(CPU_MASTER_CONTROL, tmp); -} - -/* - * board_early_init_f. - * - * set up gal. device mappings, etc. - */ -int board_early_init_f (void) -{ - uchar sram_boot = 0; - - /* - * set up the GT the way the kernel wants it - * the call to move the GT register space will obviously - * fail if it has already been done, but we're going to assume - * that if it's not at the power-on location, it's where we put - * it last time. (huber) - */ - my_remap_gt_regs(CONFIG_SYS_DFL_GT_REGS, CONFIG_SYS_GT_REGS); - - gt_pci_config(); - - /* mask all external interrupt sources */ - GT_REG_WRITE(CPU_INTERRUPT_MASK_REGISTER_LOW, 0); - GT_REG_WRITE(CPU_INTERRUPT_MASK_REGISTER_HIGH, 0); - GT_REG_WRITE(PCI_0INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0); - GT_REG_WRITE(PCI_0INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0); - GT_REG_WRITE(PCI_1INTERRUPT_CAUSE_MASK_REGISTER_LOW, 0); - GT_REG_WRITE(PCI_1INTERRUPT_CAUSE_MASK_REGISTER_HIGH, 0); - GT_REG_WRITE(CPU_INT_0_MASK, 0); - GT_REG_WRITE(CPU_INT_1_MASK, 0); - GT_REG_WRITE(CPU_INT_2_MASK, 0); - GT_REG_WRITE(CPU_INT_3_MASK, 0); - - /* now, onto the configuration */ - GT_REG_WRITE(SDRAM_CONFIGURATION, CONFIG_SYS_SDRAM_CONFIG); - - /* ----- DEVICE BUS SETTINGS ------ */ - - /* - * EVB - * 0 - SRAM - * 1 - RTC - * 2 - UART - * 3 - Flash - * boot - BootCS - * - * Zuma - * 0 - Flash - * boot - BootCS - */ - - /* - * the dual 7450 module requires burst access to the boot - * device, so the serial rom copies the boot device to the - * on-board sram on the eval board, and updates the correct - * registers to boot from the sram. (device0) - */ -#if defined(CONFIG_ZUMA_V2) || defined(CONFIG_P3G4) - /* Zuma has no SRAM */ - sram_boot = 0; -#else - if (memoryGetDeviceBaseAddress(DEVICE0) && 0xfff00000 == CONFIG_SYS_MONITOR_BASE) - sram_boot = 1; -#endif - - memoryMapDeviceSpace(DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE); - - memoryMapDeviceSpace(DEVICE1, CONFIG_SYS_DEV1_SPACE, CONFIG_SYS_DEV1_SIZE); - memoryMapDeviceSpace(DEVICE2, CONFIG_SYS_DEV2_SPACE, CONFIG_SYS_DEV2_SIZE); - memoryMapDeviceSpace(DEVICE3, CONFIG_SYS_DEV3_SPACE, CONFIG_SYS_DEV3_SIZE); - - /* configure device timing */ -#ifdef CONFIG_SYS_DEV0_PAR - if (!sram_boot) - GT_REG_WRITE(DEVICE_BANK0PARAMETERS, CONFIG_SYS_DEV0_PAR); -#endif - -#ifdef CONFIG_SYS_DEV1_PAR - GT_REG_WRITE(DEVICE_BANK1PARAMETERS, CONFIG_SYS_DEV1_PAR); -#endif -#ifdef CONFIG_SYS_DEV2_PAR - GT_REG_WRITE(DEVICE_BANK2PARAMETERS, CONFIG_SYS_DEV2_PAR); -#endif - -#ifdef CONFIG_EVB64260 -#ifdef CONFIG_SYS_32BIT_BOOT_PAR - /* detect if we are booting from the 32 bit flash */ - if (GTREGREAD(DEVICE_BOOT_BANK_PARAMETERS) & (0x3 << 20)) { - /* 32 bit boot flash */ - GT_REG_WRITE(DEVICE_BANK3PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR); - GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_32BIT_BOOT_PAR); - } else { - /* 8 bit boot flash */ - GT_REG_WRITE(DEVICE_BANK3PARAMETERS, CONFIG_SYS_32BIT_BOOT_PAR); - GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR); - } -#else - /* 8 bit boot flash only */ - GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_8BIT_BOOT_PAR); -#endif -#else /* CONFIG_EVB64260 not defined */ - /* We are booting from 16-bit flash. - */ - GT_REG_WRITE(DEVICE_BOOT_BANK_PARAMETERS, CONFIG_SYS_16BIT_BOOT_PAR); -#endif - - gt_cpu_config(); - - /* MPP setup */ - GT_REG_WRITE(MPP_CONTROL0, CONFIG_SYS_MPP_CONTROL_0); - GT_REG_WRITE(MPP_CONTROL1, CONFIG_SYS_MPP_CONTROL_1); - GT_REG_WRITE(MPP_CONTROL2, CONFIG_SYS_MPP_CONTROL_2); - GT_REG_WRITE(MPP_CONTROL3, CONFIG_SYS_MPP_CONTROL_3); - - GT_REG_WRITE(GPP_LEVEL_CONTROL, CONFIG_SYS_GPP_LEVEL_CONTROL); - GT_REG_WRITE(SERIAL_PORT_MULTIPLEX, CONFIG_SYS_SERIAL_PORT_MUX); - - return 0; -} - -/* various things to do after relocation */ - -int misc_init_r (void) -{ - icache_enable(); -#ifdef CONFIG_SYS_L2 - l2cache_enable(); -#endif - -#ifdef CONFIG_MPSC - mpsc_init2(); -#endif - -#ifdef CONFIG_ZUMA_V2 - zuma_mbox_init(); -#endif - return (0); -} - -void -after_reloc(ulong dest_addr) -{ - /* check to see if we booted from the sram. If so, move things - * back to the way they should be. (we're running from main - * memory at this point now */ - - if (memoryGetDeviceBaseAddress(DEVICE0) == CONFIG_SYS_MONITOR_BASE) { - memoryMapDeviceSpace(DEVICE0, CONFIG_SYS_DEV0_SPACE, CONFIG_SYS_DEV0_SIZE); - memoryMapDeviceSpace(BOOT_DEVICE, CONFIG_SYS_FLASH_BASE, _1M); - } - - /* now, jump to the main U-Boot board init code */ - board_init_r ((gd_t *)gd, dest_addr); - - /* NOTREACHED */ -} - -/* ------------------------------------------------------------------------- */ - -/* - * Check Board Identity: - */ - -int -checkboard (void) -{ - puts ("Board: " CONFIG_SYS_BOARD_NAME "\n"); - return (0); -} - -/* utility functions */ -void -debug_led(int led, int mode) -{ -#if !defined(CONFIG_ZUMA_V2) && !defined(CONFIG_P3G4) - volatile int *addr = NULL; - __maybe_unused int dummy; - - if (mode == 1) { - switch (led) { - case 0: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x08000); - break; - - case 1: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x0c000); - break; - - case 2: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x10000); - break; - } - } else if (mode == 0) { - switch (led) { - case 0: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x14000); - break; - - case 1: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x18000); - break; - - case 2: - addr = (int *)((unsigned int)CONFIG_SYS_DEV1_SPACE | 0x1c000); - break; - } - } - WRITE_CHAR(addr, 0); - dummy = *addr; -#endif /* CONFIG_ZUMA_V2 */ -} - -void -display_mem_map(void) -{ - int i,j; - unsigned int base,size,width; - /* SDRAM */ - printf("SDRAM\n"); - for(i=0;i<=BANK3;i++) { - base = memoryGetBankBaseAddress(i); - size = memoryGetBankSize(i); - if(size !=0) - { - printf("BANK%d: base - 0x%08x\tsize - %dM bytes\n",i,base,size>>20); - } - } - - /* CPU's PCI windows */ - for(i=0;i<=PCI_HOST1;i++) { - printf("\nCPU's PCI %d windows\n", i); - base=pciGetSpaceBase(i,PCI_IO); - size=pciGetSpaceSize(i,PCI_IO); - printf(" IO: base - 0x%08x\tsize - %dM bytes\n",base,size>>20); - for(j=0;j<=PCI_REGION3;j++) { - base = pciGetSpaceBase(i,j); - size = pciGetSpaceSize(i,j); - printf("MEMORY %d: base - 0x%08x\tsize - %dM bytes\n",j,base, - size>>20); - } - } - - /* Devices */ - printf("\nDEVICES\n"); - for(i=0;i<=DEVICE3;i++) { - base = memoryGetDeviceBaseAddress(i); - size = memoryGetDeviceSize(i); - width= memoryGetDeviceWidth(i) * 8; - printf("DEV %d: base - 0x%08x\tsize - %dM bytes\twidth - %d bits\n", - i, base, size>>20, width); - } - - /* Bootrom */ - base = memoryGetDeviceBaseAddress(BOOT_DEVICE); /* Boot */ - size = memoryGetDeviceSize(BOOT_DEVICE); - width= memoryGetDeviceWidth(BOOT_DEVICE) * 8; - printf(" BOOT: base - 0x%08x\tsize - %dM bytes\twidth - %d bits\n", - base, size>>20, width); -} - -int board_eth_init(bd_t *bis) -{ - gt6426x_eth_initialize(bis); - return 0; -} diff --git a/board/evb64260/flash.c b/board/evb64260/flash.c deleted file mode 100644 index f3b0074..0000000 --- a/board/evb64260/flash.c +++ /dev/null @@ -1,837 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * flash.c - flash support for the 512k, 8bit boot flash on the GEVB - * most of this file was based on the existing U-Boot - * flash drivers. - */ - -#include <common.h> -#include <mpc8xx.h> -#include <galileo/gt64260R.h> -#include <galileo/memory.h> -#include "intel_flash.h" - -#define FLASH_ROM 0xFFFD /* unknown flash type */ -#define FLASH_RAM 0xFFFE /* unknown flash type */ -#define FLASH_MAN_UNKNOWN 0xFFFF0000 - -/* #define DEBUG */ -/* #define FLASH_ID_OVERRIDE */ /* Hack to set type to 040B if ROM emulator is installed. - * Can be used to program a ROM in circuit if a programmer - * is not available by swapping the rom out. */ - -/* Intel flash commands */ -int flash_erase_intel(flash_info_t *info, int s_first, int s_last); -int write_word_intel(bank_addr_t addr, bank_word_t value); - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (int portwidth, vu_long *addr, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); -static void flash_get_offsets (ulong base, flash_info_t *info); - -/*----------------------------------------------------------------------- - */ - -unsigned long -flash_init (void) -{ - unsigned int i; - unsigned long size_b0 = 0, size_b1 = 0; - unsigned long base, flash_size; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* the boot flash */ - base = CONFIG_SYS_FLASH_BASE; -#ifndef CONFIG_SYS_BOOT_FLASH_WIDTH -#define CONFIG_SYS_BOOT_FLASH_WIDTH 1 -#endif - size_b0 = flash_get_size(CONFIG_SYS_BOOT_FLASH_WIDTH, (vu_long *)base, - &flash_info[0]); - -#ifndef CONFIG_P3G4 - printf("["); - print_size (size_b0, ""); - printf("@%08lX] ", base); -#endif - - if (flash_info[0].flash_id == FLASH_UNKNOWN) { - printf ("## Unknown FLASH at %08lx: Size = 0x%08lx = %ld MB\n", - base, size_b0, size_b0<<20); - } - - base = memoryGetDeviceBaseAddress(CONFIG_SYS_EXTRA_FLASH_DEVICE); - for(i=1;i<CONFIG_SYS_MAX_FLASH_BANKS;i++) { - unsigned long size = flash_get_size(CONFIG_SYS_EXTRA_FLASH_WIDTH, (vu_long *)base, &flash_info[i]); - -#ifndef CONFIG_P3G4 - printf("["); - print_size (size, ""); - printf("@%08lX] ", base); -#endif - - if (flash_info[i].flash_id == FLASH_UNKNOWN) { - if(i==1) { - printf ("## Unknown FLASH at %08lx: Size = 0x%08lx = %ld MB\n", - base, size_b1, size_b1<<20); - } - break; - } - size_b1+=size; - base+=size; - } - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, - flash_get_info(CONFIG_SYS_MONITOR_BASE)); -#endif - -#ifdef CONFIG_ENV_IS_IN_FLASH - /* ENV protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, - flash_get_info(CONFIG_ENV_ADDR)); -#endif - - flash_size = size_b0 + size_b1; - return flash_size; -} - -/*----------------------------------------------------------------------- - */ -static void -flash_get_offsets (ulong base, flash_info_t *info) -{ - int i; - int sector_size; - - if(!info->sector_count) return; - - /* set up sector start address table */ - switch(info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM040: - case FLASH_28F128J3A: - case FLASH_28F640J3A: - case FLASH_RAM: - /* this chip has uniformly spaced sectors */ - sector_size=info->size/info->sector_count; - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * sector_size); - break; - default: - if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00008000; - info->start[2] = base + 0x0000C000; - info->start[3] = base + 0x00010000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00020000) - 0x00060000; - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x00010000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00020000; - } - } - } -} - -/*----------------------------------------------------------------------- - */ - -flash_info_t *flash_get_info(ulong base) -{ - int i; - flash_info_t * info; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i ++) { - info = & flash_info[i]; - if (info->start[0] <= base && base <= info->start[0] + info->size - 1) - break; - } - - return i == CONFIG_SYS_MAX_FLASH_BANKS ? 0 : info; -} - -/*----------------------------------------------------------------------- - */ -void -flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - case FLASH_MAN_INTEL: printf ("INTEL "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AM040: - printf ("AM29LV040B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM400B: - printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM400T: - printf ("AM29LV400T (4 Mbit, top boot sector)\n"); - break; - case FLASH_AM800B: - printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM800T: - printf ("AM29LV800T (8 Mbit, top boot sector)\n"); - break; - case FLASH_AM160B: - printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM160T: - printf ("AM29LV160T (16 Mbit, top boot sector)\n"); - break; - case FLASH_AM320B: - printf ("AM29LV320B (32 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM320T: - printf ("AM29LV320T (32 Mbit, top boot sector)\n"); - break; - case FLASH_28F640J3A: - printf ("28F640J3A (64 Mbit)\n"); - break; - case FLASH_28F128J3A: - printf ("28F128J3A (128 Mbit)\n"); - break; - case FLASH_ROM: - printf ("ROM\n"); - break; - case FLASH_RAM: - printf ("RAM\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - puts (" Size: "); - print_size (info->size, ""); - printf (" in %d Sectors\n", info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); - return; -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static inline void flash_cmd(int width, volatile unsigned char *addr, int offset, unsigned char cmd) -{ - /* supports 1x8, 1x16, and 2x16 */ - /* 2x8 and 4x8 are not supported */ - if(width==4) { - /* assuming chips are in 16 bit mode */ - /* 2x16 */ - unsigned long cmd32=(cmd<<16)|cmd; - *(volatile unsigned long *)(addr+offset*2)=cmd32; - } else if (width == 2) { - /* 1x16 */ - *(volatile unsigned short *)((unsigned short*)addr+offset)=cmd; - } else { - /* 1x8 */ - *(volatile unsigned char *)(addr+offset)=cmd; - } -} - -static ulong -flash_get_size (int portwidth, vu_long *addr, flash_info_t *info) -{ - short i; - volatile unsigned char *caddr = (unsigned char *)addr; - volatile unsigned short *saddr = (unsigned short *)addr; - volatile unsigned long *laddr = (unsigned long *)addr; - char old[2], save; - ulong id, manu, base = (ulong)addr; - - info->portwidth=portwidth; - - save = *caddr; - - flash_cmd(portwidth,caddr,0,0xf0); - flash_cmd(portwidth,caddr,0,0xf0); - - udelay(10); - - old[0] = caddr[0]; - old[1] = caddr[1]; - - - if(old[0]!=0xf0) { - flash_cmd(portwidth,caddr,0,0xf0); - flash_cmd(portwidth,caddr,0,0xf0); - - udelay(10); - - if(*caddr==0xf0) { - /* this area is ROM */ - *caddr=save; -#ifndef FLASH_ID_OVERRIDE - info->flash_id = FLASH_ROM + FLASH_MAN_UNKNOWN; - info->sector_count = 8; - info->size = 0x80000; -#else - info->flash_id = FLASH_MAN_AMD + FLASH_AM040; - info->sector_count = 8; - info->size = 0x80000; - info->chipwidth=1; -#endif - flash_get_offsets(base, info); - return info->size; - } - } else { - *caddr=0; - - udelay(10); - - if(*caddr==0) { - /* this area is RAM */ - *caddr=save; - info->flash_id = FLASH_RAM + FLASH_MAN_UNKNOWN; - info->sector_count = 8; - info->size = 0x80000; - flash_get_offsets(base, info); - return info->size; - } - flash_cmd(portwidth,caddr,0,0xf0); - - udelay(10); - } - - /* Write auto select command: read Manufacturer ID */ - flash_cmd(portwidth,caddr,0x555,0xAA); - flash_cmd(portwidth,caddr,0x2AA,0x55); - flash_cmd(portwidth,caddr,0x555,0x90); - - udelay(10); - - if ((caddr[0] == old[0]) && - (caddr[1] == old[1])) { - - /* this area is ROM */ -#ifndef FLASH_ID_OVERRIDE - info->flash_id = FLASH_ROM + FLASH_MAN_UNKNOWN; - info->sector_count = 8; - info->size = 0x80000; -#else - info->flash_id = FLASH_MAN_AMD + FLASH_AM040; - info->sector_count = 8; - info->size = 0x80000; - info->chipwidth=1; -#endif - flash_get_offsets(base, info); - return info->size; -#ifdef DEBUG - } else { - printf("%px%d: %02x:%02x -> %02x:%02x\n", - caddr, portwidth, old[0], old[1], - caddr[0], caddr[1]); -#endif - } - - switch(portwidth) { - case 1: - manu = caddr[0]; - manu |= manu<<16; - id = caddr[1]; - break; - case 2: - manu = saddr[0]; - manu |= manu<<16; - id = saddr[1]; - id |= id<<16; - break; - case 4: - manu = laddr[0]; - id = laddr[1]; - break; - default: - id = manu = -1; - break; - } - -#ifdef DEBUG - printf("\n%08lx:%08lx:%08lx\n", base, manu, id); - printf("%08lx %08lx %08lx %08lx\n", - laddr[0],laddr[1],laddr[2],laddr[3]); -#endif - - switch (manu) { - case AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; - case FUJ_MANUFACT: - info->flash_id = FLASH_MAN_FUJ; - break; - case INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - default: - printf("Unknown Mfr [%08lx]:%08lx\n", manu, id); - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - - switch (id) { - case AMD_ID_LV400T: - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00100000; - info->chipwidth=1; - break; /* => 1 MB */ - - case AMD_ID_LV400B: - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00100000; - info->chipwidth=1; - break; /* => 1 MB */ - - case AMD_ID_LV800T: - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00200000; - info->chipwidth=1; - break; /* => 2 MB */ - - case AMD_ID_LV800B: - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00200000; - info->chipwidth=1; - break; /* => 2 MB */ - - case AMD_ID_LV160T: - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00400000; - info->chipwidth=1; - break; /* => 4 MB */ - - case AMD_ID_LV160B: - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00400000; - info->chipwidth=1; - break; /* => 4 MB */ -#if 0 /* enable when device IDs are available */ - case AMD_ID_LV320T: - info->flash_id += FLASH_AM320T; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ - - case AMD_ID_LV320B: - info->flash_id += FLASH_AM320B; - info->sector_count = 67; - info->size = 0x00800000; - break; /* => 8 MB */ -#endif - case AMD_ID_LV040B: - info->flash_id += FLASH_AM040; - info->sector_count = 8; - info->size = 0x80000; - info->chipwidth=1; - break; - - case INTEL_ID_28F640J3A: - info->flash_id += FLASH_28F640J3A; - info->sector_count = 64; - info->size = 128*1024 * 64; /* 128kbytes x 64 blocks */ - info->chipwidth=2; - if(portwidth==4) info->size*=2; /* 2x16 */ - break; - - case INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 128*1024 * 128; /* 128kbytes x 128 blocks */ - info->chipwidth=2; - if(portwidth==4) info->size*=2; /* 2x16 */ - break; - - default: - printf("Unknown id %lx:[%lx]\n", manu, id); - info->flash_id = FLASH_UNKNOWN; - info->chipwidth=1; - return (0); /* => no or unknown flash */ - - } - - flash_get_offsets(base, info); - -#if 0 - /* set up sector start address table */ - if (info->flash_id & FLASH_AM040) { - /* this chip has uniformly spaced sectors */ - for (i = 0; i < info->sector_count; i++) - info->start[i] = base + (i * 0x00010000); - - } else if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + 0x00000000; - info->start[1] = base + 0x00008000; - info->start[2] = base + 0x0000C000; - info->start[3] = base + 0x00010000; - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + (i * 0x00020000) - 0x00060000; - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - 0x00008000; - info->start[i--] = base + info->size - 0x0000C000; - info->start[i--] = base + info->size - 0x00010000; - for (; i >= 0; i--) { - info->start[i] = base + i * 0x00020000; - } - } -#endif - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (A7 .. A0)=0x02 */ - /* D0 = 1 if protected */ - caddr = (volatile unsigned char *)(info->start[i]); - saddr = (volatile unsigned short *)(info->start[i]); - laddr = (volatile unsigned long *)(info->start[i]); - if(portwidth==1) - info->protect[i] = caddr[2] & 1; - else if(portwidth==2) - info->protect[i] = saddr[2] & 1; - else - info->protect[i] = laddr[2] & 1; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) { - caddr = (volatile unsigned char *)info->start[0]; - - flash_cmd(portwidth,caddr,0,0xF0); /* reset bank */ - } - - return (info->size); -} - -/* TODO: 2x16 unsupported */ -int -flash_erase (flash_info_t *info, int s_first, int s_last) -{ - volatile unsigned char *addr = (uchar *)(info->start[0]); - int flag, prot, sect, l_sect; - ulong start, now, last; - - /* TODO: 2x16 unsupported */ - if(info->portwidth==4) return 1; - - if((info->flash_id & FLASH_TYPEMASK) == FLASH_ROM) return 1; - if((info->flash_id & FLASH_TYPEMASK) == FLASH_RAM) { - for (sect = s_first; sect<=s_last; sect++) { - int sector_size=info->size/info->sector_count; - addr = (uchar *)(info->start[sect]); - memset((void *)addr, 0, sector_size); - } - return 0; - } - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id&FLASH_VENDMASK) == FLASH_MAN_INTEL) { - return flash_erase_intel(info, - (unsigned short)s_first, - (unsigned short)s_last); - } - -#if 0 - if ((info->flash_id == FLASH_UNKNOWN) || - (info->flash_id > FLASH_AMD_COMP)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } -#endif - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - flash_cmd(info->portwidth,addr,0x555,0xAA); - flash_cmd(info->portwidth,addr,0x2AA,0x55); - flash_cmd(info->portwidth,addr,0x555,0x80); - flash_cmd(info->portwidth,addr,0x555,0xAA); - flash_cmd(info->portwidth,addr,0x2AA,0x55); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (uchar *)(info->start[sect]); - flash_cmd(info->portwidth,addr,0,0x30); - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (volatile unsigned char *)(info->start[l_sect]); - /* broken for 2x16: TODO */ - while ((addr[0] & 0x80) != 0x80) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - -DONE: - /* reset to read mode */ - addr = (volatile unsigned char *)info->start[0]; - flash_cmd(info->portwidth,addr,0,0xf0); - flash_cmd(info->portwidth,addr,0,0xf0); - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -/* broken for 2x16: TODO */ -int -write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - if(info->portwidth==4) return 1; - - if((info->flash_id & FLASH_TYPEMASK) == FLASH_ROM) return 0; - if((info->flash_id & FLASH_TYPEMASK) == FLASH_RAM) { - memcpy((void *)addr, src, cnt); - return 0; - } - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -/* broken for 2x16: TODO */ -static int -write_word (flash_info_t *info, ulong dest, ulong data) -{ - volatile unsigned char *addr = (uchar *)(info->start[0]); - ulong start; - int flag, i; - - if(info->portwidth==4) return 1; - - if((info->flash_id & FLASH_TYPEMASK) == FLASH_ROM) return 1; - if((info->flash_id & FLASH_TYPEMASK) == FLASH_RAM) { - *(unsigned long *)dest=data; - return 0; - } - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - unsigned short low = data & 0xffff; - unsigned short hi = (data >> 16) & 0xffff; - int ret = write_word_intel((bank_addr_t)dest, hi); - - if (!ret) ret = write_word_intel((bank_addr_t)(dest+2), low); - - return ret; - } - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *)dest) & data) != data) { - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* first, perform an unlock bypass command to speed up flash writes */ - addr[0x555] = 0xAA; - addr[0x2AA] = 0x55; - addr[0x555] = 0x20; - - /* write each byte out */ - for (i = 0; i < 4; i++) { - char *data_ch = (char *)&data; - addr[0] = 0xA0; - *(((char *)dest)+i) = data_ch[i]; - udelay(10); /* XXX */ - } - - /* we're done, now do an unlock bypass reset */ - addr[0] = 0x90; - addr[0] = 0x00; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} diff --git a/board/evb64260/i2c.c b/board/evb64260/i2c.c deleted file mode 100644 index 8119fce..0000000 --- a/board/evb64260/i2c.c +++ /dev/null @@ -1,310 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <malloc.h> -#include <galileo/gt64260R.h> -#include <galileo/core.h> - -#define MAX_I2C_RETRYS 10 -#define I2C_DELAY 1000 /* Should be at least the # of MHz of Tclk */ -#undef DEBUG_I2C - -#ifdef DEBUG_I2C -#define DP(x) x -#else -#define DP(x) -#endif - -/* Assuming that there is only one master on the bus (us) */ - -static void -i2c_init(int speed, int slaveaddr) -{ - unsigned int n, m, freq, margin, power; - unsigned int actualn = 0, actualm = 0; - unsigned int control, status; - unsigned int minmargin = 0xffffffff; - unsigned int tclk = 125000000; - - DP(puts("i2c_init\n")); - - for (n = 0 ; n < 8 ; n++) { - for (m = 0 ; m < 16 ; m++) { - power = 2 << n; /* power = 2^(n+1) */ - freq = tclk / (10 * (m + 1) * power); - if (speed > freq) - margin = speed - freq; - else - margin = freq - speed; - if (margin < minmargin) { - minmargin = margin; - actualn = n; - actualm = m; - } - } - } - - DP(puts("setup i2c bus\n")); - - /* Setup bus */ - - GT_REG_WRITE(I2C_SOFT_RESET, 0); - - DP(puts("udelay...\n")); - - udelay(I2C_DELAY); - - DP(puts("set baudrate\n")); - - GT_REG_WRITE(I2C_STATUS_BAUDE_RATE, (actualm << 3) | actualn); - GT_REG_WRITE(I2C_CONTROL, (0x1 << 2) | (0x1 << 6)); - - udelay(I2C_DELAY * 10); - - DP(puts("read control, baudrate\n")); - - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - GT_REG_READ(I2C_CONTROL, &control); -} - -static uchar -i2c_start(void) -{ - unsigned int control, status; - int count = 0; - - DP(puts("i2c_start\n")); - - /* Set the start bit */ - - GT_REG_READ(I2C_CONTROL, &control); - control |= (0x1 << 5); - GT_REG_WRITE(I2C_CONTROL, control); - - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - - count = 0; - while ((status & 0xff) != 0x08) { - udelay(I2C_DELAY); - if (count > 20) { - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /*stop*/ - return status; - } - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - } - - return 0; -} - -static uchar -i2c_select_device(uchar dev_addr, uchar read, int ten_bit) -{ - unsigned int status, data, bits = 7; - int count = 0; - - DP(puts("i2c_select_device\n")); - - /* Output slave address */ - - if (ten_bit) - bits = 10; - - data = (dev_addr << 1); - /* set the read bit */ - data |= read; - GT_REG_WRITE(I2C_DATA, data); - /* assert the address */ - RESET_REG_BITS(I2C_CONTROL, BIT3); - - udelay(I2C_DELAY); - - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count = 0; - while (((status & 0xff) != 0x40) && ((status & 0xff) != 0x18)) { - udelay(I2C_DELAY); - if (count > 20) { - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /*stop*/ - return status; - } - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - } - - if (bits == 10) { - printf("10 bit I2C addressing not yet implemented\n"); - return 0xff; - } - - return 0; -} - -static uchar -i2c_get_data(uchar *return_data, int len) { - - unsigned int data, status = 0; - int count = 0; - - DP(puts("i2c_get_data\n")); - - while (len) { - - /* Get and return the data */ - - RESET_REG_BITS(I2C_CONTROL, (0x1 << 3)); - - udelay(I2C_DELAY * 5); - - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - while ((status & 0xff) != 0x50) { - udelay(I2C_DELAY); - if (count > 2) { - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /*stop*/ - return 0; - } - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - } - GT_REG_READ(I2C_DATA, &data); - len--; - *return_data = (uchar)data; - return_data++; - } - RESET_REG_BITS(I2C_CONTROL, BIT2|BIT3); - while ((status & 0xff) != 0x58) { - udelay(I2C_DELAY); - if (count > 200) { - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /*stop*/ - return status; - } - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - } - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /* stop */ - - return 0; -} - -static uchar -i2c_write_data(unsigned int data, int len) -{ - unsigned int status; - int count = 0; - - DP(puts("i2c_write_data\n")); - - if (len > 4) - return -1; - - while (len) { - /* Set and assert the data */ - - GT_REG_WRITE(I2C_DATA, (unsigned int)data); - RESET_REG_BITS(I2C_CONTROL, (0x1 << 3)); - - udelay(I2C_DELAY); - - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - while ((status & 0xff) != 0x28) { - udelay(I2C_DELAY); - if (count > 20) { - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); /*stop*/ - return status; - } - GT_REG_READ(I2C_STATUS_BAUDE_RATE, &status); - count++; - } - len--; - } - GT_REG_WRITE(I2C_CONTROL, (0x1 << 3) | (0x1 << 4)); - GT_REG_WRITE(I2C_CONTROL, (0x1 << 4)); - - udelay(I2C_DELAY * 10); - - return 0; -} - -static uchar -i2c_set_dev_offset(uchar dev_addr, unsigned int offset, int ten_bit) -{ - uchar status; - - DP(puts("i2c_set_dev_offset\n")); - - status = i2c_select_device(dev_addr, 0, ten_bit); - if (status) { -#ifdef DEBUG_I2C - printf("Failed to select device setting offset: 0x%02x\n", - status); -#endif - return status; - } - - status = i2c_write_data(offset, 1); - if (status) { -#ifdef DEBUG_I2C - printf("Failed to write data: 0x%02x\n", status); -#endif - return status; - } - - return 0; -} - -uchar -i2c_read(uchar dev_addr, unsigned int offset, int len, uchar *data, - int ten_bit) -{ - uchar status = 0; - unsigned int i2cfreq = 400000; - - DP(puts("i2c_read\n")); - - i2c_init(i2cfreq, 0); - - status = i2c_start(); - - if (status) { -#ifdef DEBUG_I2C - printf("Transaction start failed: 0x%02x\n", status); -#endif - return status; - } - - status = i2c_set_dev_offset(dev_addr, 0, 0); - if (status) { -#ifdef DEBUG_I2C - printf("Failed to set offset: 0x%02x\n", status); -#endif - return status; - } - - i2c_init(i2cfreq, 0); - - status = i2c_start(); - if (status) { -#ifdef DEBUG_I2C - printf("Transaction restart failed: 0x%02x\n", status); -#endif - return status; - } - - status = i2c_select_device(dev_addr, 1, ten_bit); - if (status) { -#ifdef DEBUG_I2C - printf("Address not acknowledged: 0x%02x\n", status); -#endif - return status; - } - - status = i2c_get_data(data, len); - if (status) { -#ifdef DEBUG_I2C - printf("Data not received: 0x%02x\n", status); -#endif - return status; - } - - return 0; -} diff --git a/board/evb64260/i2c.h b/board/evb64260/i2c.h deleted file mode 100644 index 9c21992..0000000 --- a/board/evb64260/i2c.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef __I2C_H__ -#define __I2C_H__ - -/* function declarations */ -uchar i2c_read(uchar, unsigned int, int, uchar*, int); - -#endif diff --git a/board/evb64260/intel_flash.c b/board/evb64260/intel_flash.c deleted file mode 100644 index 9acc3a0..0000000 --- a/board/evb64260/intel_flash.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - * Hacked for the Hymod board by Murray.Jensen@cmst.csiro.au, 20-Oct-00 - */ - -#include <common.h> -#include <mpc8xx.h> -#include <galileo/gt64260R.h> -#include <galileo/memory.h> -#include "intel_flash.h" - - -/*----------------------------------------------------------------------- - * Protection Flags: - */ -#define FLAG_PROTECT_SET 0x01 -#define FLAG_PROTECT_CLEAR 0x02 - -static void -bank_reset(flash_info_t *info, int sect) -{ - bank_addr_t addrw, eaddrw; - - addrw = (bank_addr_t)info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD(addrw); - - while (addrw < eaddrw) { -#ifdef FLASH_DEBUG - printf(" writing reset cmd to addr 0x%08lx\n", - (unsigned long)addrw); -#endif - *addrw = BANK_CMD_RST; - addrw++; - } -} - -static void -bank_erase_init(flash_info_t *info, int sect) -{ - bank_addr_t addrw, saddrw, eaddrw; - int flag; - -#ifdef FLASH_DEBUG - printf("0x%08x BANK_CMD_PROG\n", BANK_CMD_PROG); - printf("0x%08x BANK_CMD_ERASE1\n", BANK_CMD_ERASE1); - printf("0x%08x BANK_CMD_ERASE2\n", BANK_CMD_ERASE2); - printf("0x%08x BANK_CMD_CLR_STAT\n", BANK_CMD_CLR_STAT); - printf("0x%08x BANK_CMD_RST\n", BANK_CMD_RST); - printf("0x%08x BANK_STAT_RDY\n", BANK_STAT_RDY); - printf("0x%08x BANK_STAT_ERR\n", BANK_STAT_ERR); -#endif - - saddrw = (bank_addr_t)info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD(saddrw); - -#ifdef FLASH_DEBUG - printf("erasing sector %d, start addr = 0x%08lx " - "(bank next word addr = 0x%08lx)\n", sect, - (unsigned long)saddrw, (unsigned long)eaddrw); -#endif - - /* Disable intrs which might cause a timeout here */ - flag = disable_interrupts(); - - for (addrw = saddrw; addrw < eaddrw; addrw++) { -#ifdef FLASH_DEBUG - printf(" writing erase cmd to addr 0x%08lx\n", - (unsigned long)addrw); -#endif - *addrw = BANK_CMD_ERASE1; - *addrw = BANK_CMD_ERASE2; - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); -} - -static int -bank_erase_poll(flash_info_t *info, int sect) -{ - bank_addr_t addrw, saddrw, eaddrw; - int sectdone, haderr; - - saddrw = (bank_addr_t)info->start[sect]; - eaddrw = BANK_ADDR_NEXT_WORD(saddrw); - - sectdone = 1; - haderr = 0; - - for (addrw = saddrw; addrw < eaddrw; addrw++) { - bank_word_t stat = *addrw; - -#ifdef FLASH_DEBUG - printf(" checking status at addr " - "0x%08x [0x%08x]\n", - (unsigned long)addrw, stat); -#endif - if ((stat & BANK_STAT_RDY) != BANK_STAT_RDY) - sectdone = 0; - else if ((stat & BANK_STAT_ERR) != 0) { - printf(" failed on sector %d " - "(stat = 0x%08x) at " - "address 0x%p\n", - sect, stat, addrw); - *addrw = BANK_CMD_CLR_STAT; - haderr = 1; - } - } - - if (haderr) - return (-1); - else - return (sectdone); -} - -int -write_word_intel(bank_addr_t addr, bank_word_t value) -{ - bank_word_t stat; - ulong start; - int flag, retval; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - *addr = BANK_CMD_PROG; - - *addr = value; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - retval = 0; - - /* data polling for D7 */ - start = get_timer (0); - do { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - retval = 1; - goto done; - } - stat = *addr; - } while ((stat & BANK_STAT_RDY) != BANK_STAT_RDY); - - if ((stat & BANK_STAT_ERR) != 0) { - printf("flash program failed (stat = 0x%08lx) " - "at address 0x%08lx\n", (ulong)stat, (ulong)addr); - *addr = BANK_CMD_CLR_STAT; - retval = 3; - } - -done: - /* reset to read mode */ - *addr = BANK_CMD_RST; - - return (retval); -} - -/*----------------------------------------------------------------------- - */ - -int -flash_erase_intel(flash_info_t *info, int s_first, int s_last) -{ - int prot, sect, haderr; - ulong start, now, last; - -#ifdef FLASH_DEBUG - printf("\nflash_erase: erase %d sectors (%d to %d incl.) from\n" - " Bank # %d: ", s_last - s_first + 1, s_first, s_last, - (info - flash_info) + 1); - flash_print_info(info); -#endif - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf("- Warning: %d protected sector%s will not be erased!\n", - prot, (prot > 1 ? "s" : "")); - } - - start = get_timer (0); - last = 0; - haderr = 0; - - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - ulong estart; - int sectdone; - - bank_erase_init(info, sect); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - estart = get_timer(start); - - do { - now = get_timer(start); - - if (now - estart > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout (sect %d)\n", sect); - haderr = 1; - break; - } - -#ifndef FLASH_DEBUG - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } -#endif - - sectdone = bank_erase_poll(info, sect); - - if (sectdone < 0) { - haderr = 1; - break; - } - - } while (!sectdone); - - if (haderr) - break; - } - } - - if (haderr > 0) - printf (" failed\n"); - else - printf (" done\n"); - - /* reset to read mode */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - bank_reset(info, sect); - } - } - return haderr; -} diff --git a/board/evb64260/intel_flash.h b/board/evb64260/intel_flash.h deleted file mode 100644 index cc3a339..0000000 --- a/board/evb64260/intel_flash.h +++ /dev/null @@ -1,160 +0,0 @@ -/*************** DEFINES for Intel StrataFlash FLASH chip ********************/ - -/* - * acceptable chips types are: - * - * 28F320J5, 28F640J5, 28F320J3A, 28F640J3A and 28F128J3A - */ - -/* register addresses, valid only following an CHIP_CMD_RD_ID command */ -#define CHIP_ADDR_REG_MAN 0x000000 /* manufacturer's id */ -#define CHIP_ADDR_REG_DEV 0x000001 /* device id */ -#define CHIP_ADDR_REG_CFGM 0x000003 /* master lock config */ -#define CHIP_ADDR_REG_CFG(b) (((b)<<16)|2) /* lock config for block b */ - -/* Commands */ -#define CHIP_CMD_RST 0xFF /* reset flash */ -#define CHIP_CMD_RD_ID 0x90 /* read the id and lock bits */ -#define CHIP_CMD_RD_QUERY 0x98 /* read device capabilities */ -#define CHIP_CMD_RD_STAT 0x70 /* read the status register */ -#define CHIP_CMD_CLR_STAT 0x50 /* clear the staus register */ -#define CHIP_CMD_WR_BUF 0xE8 /* clear the staus register */ -#define CHIP_CMD_PROG 0x40 /* program word command */ -#define CHIP_CMD_ERASE1 0x20 /* 1st word for block erase */ -#define CHIP_CMD_ERASE2 0xD0 /* 2nd word for block erase */ -#define CHIP_CMD_ERASE_SUSP 0xB0 /* suspend block erase */ -#define CHIP_CMD_LOCK 0x60 /* 1st word for all lock cmds */ -#define CHIP_CMD_SET_LOCK_BLK 0x01 /* 2nd wrd set block lock bit */ -#define CHIP_CMD_SET_LOCK_MSTR 0xF1 /* 2nd wrd set master lck bit */ -#define CHIP_CMD_CLR_LOCK_BLK 0xD0 /* 2nd wrd clear blk lck bit */ - -/* status register bits */ -#define CHIP_STAT_DPS 0x02 /* Device Protect Status */ -#define CHIP_STAT_VPPS 0x08 /* VPP Status */ -#define CHIP_STAT_PSLBS 0x10 /* Program+Set Lock Bit Stat */ -#define CHIP_STAT_ECLBS 0x20 /* Erase+Clr Lock Bit Stat */ -#define CHIP_STAT_ESS 0x40 /* Erase Suspend Status */ -#define CHIP_STAT_RDY 0x80 /* WSM Mach Status, 1=rdy */ - -#define CHIP_STAT_ERR (CHIP_STAT_VPPS | CHIP_STAT_DPS | \ - CHIP_STAT_ECLBS | CHIP_STAT_PSLBS) - -/* ID and Lock Configuration */ -#define CHIP_RD_ID_LOCK 0x01 /* Bit 0 of each byte */ -#define CHIP_RD_ID_MAN 0x89 /* Manufacturer code = 0x89 */ -#define CHIP_RD_ID_DEV CONFIG_SYS_FLASH_ID - -/* dimensions */ -#define CHIP_WIDTH 2 /* chips are in 16 bit mode */ -#define CHIP_WSHIFT 1 /* (log2 of CHIP_WIDTH) */ -#define CHIP_NBLOCKS 128 -#define CHIP_BLKSZ (128 * 1024) /* of 128Kbytes each */ -#define CHIP_SIZE (CHIP_BLKSZ * CHIP_NBLOCKS) - -/********************** DEFINES for Hymod Flash ******************************/ - -/* - * The hymod board has 2 x 28F320J5 chips running in - * 16 bit mode, for a 32 bit wide bank. - */ - -typedef unsigned short bank_word_t; /* 8/16/32/64bit unsigned int */ -typedef volatile bank_word_t *bank_addr_t; -typedef unsigned long bank_size_t; /* want this big - >= 32 bit */ - -#define BANK_CHIP_WIDTH 1 /* each bank is 1 chip wide */ -#define BANK_CHIP_WSHIFT 0 /* (log2 of BANK_CHIP_WIDTH) */ - -#define BANK_WIDTH (CHIP_WIDTH * BANK_CHIP_WIDTH) -#define BANK_WSHIFT (CHIP_WSHIFT + BANK_CHIP_WSHIFT) -#define BANK_NBLOCKS CHIP_NBLOCKS -#define BANK_BLKSZ (CHIP_BLKSZ * BANK_CHIP_WIDTH) -#define BANK_SIZE (CHIP_SIZE * BANK_CHIP_WIDTH) - -#define MAX_BANKS 1 /* only one bank possible */ - -/* align bank addresses and sizes to bank word boundaries */ -#define BANK_ADDR_WORD_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \ - & ~(BANK_WIDTH - 1))) -#define BANK_SIZE_WORD_ALIGN(s) ((bank_size_t)BANK_ADDR_WORD_ALIGN( \ - (bank_size_t)(s) + (BANK_WIDTH - 1))) - -/* align bank addresses and sizes to bank block boundaries */ -#define BANK_ADDR_BLK_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \ - & ~(BANK_BLKSZ - 1))) -#define BANK_SIZE_BLK_ALIGN(s) ((bank_size_t)BANK_ADDR_BLK_ALIGN( \ - (bank_size_t)(s) + (BANK_BLKSZ - 1))) - -/* align bank addresses and sizes to bank boundaries */ -#define BANK_ADDR_BANK_ALIGN(a) ((bank_addr_t)((bank_size_t)(a) \ - & ~(BANK_SIZE - 1))) -#define BANK_SIZE_BANK_ALIGN(s) ((bank_size_t)BANK_ADDR_BANK_ALIGN( \ - (bank_size_t)(s) + (BANK_SIZE - 1))) - -/* add an offset to a bank address */ -#define BANK_ADDR_OFFSET(a, o) (bank_addr_t)((bank_size_t)(a) + \ - (bank_size_t)(o)) - -/* get base address of bank b, given flash base address a */ -#define BANK_ADDR_BASE(a, b) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \ - (bank_size_t)(b) * BANK_SIZE) - -/* adjust a bank address to start of next word, block or bank */ -#define BANK_ADDR_NEXT_WORD(a) BANK_ADDR_OFFSET(BANK_ADDR_WORD_ALIGN(a), \ - BANK_WIDTH) -#define BANK_ADDR_NEXT_BLK(a) BANK_ADDR_OFFSET(BANK_ADDR_BLK_ALIGN(a), \ - BANK_BLKSZ) -#define BANK_ADDR_NEXT_BANK(a) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \ - BANK_SIZE) - -/* get bank address of chip register r given a bank base address a */ -#define BANK_ADDR_REG(a, r) BANK_ADDR_OFFSET(BANK_ADDR_BANK_ALIGN(a), \ - ((bank_size_t)(r) << BANK_WSHIFT)) - -/* make a bank address for each chip register address */ - -#define BANK_ADDR_REG_MAN(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_MAN) -#define BANK_ADDR_REG_DEV(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_DEV) -#define BANK_ADDR_REG_CFGM(a) BANK_ADDR_REG((a), CHIP_ADDR_REG_CFGM) -#define BANK_ADDR_REG_CFG(b,a) BANK_ADDR_REG((a), CHIP_ADDR_REG_CFG(b)) - -/* - * replicate a chip cmd/stat/rd value into each byte position within a word - * so that multiple chips are accessed in a single word i/o operation - * - * this must be as wide as the bank_word_t type, and take into account the - * chip width and bank layout - */ - -#define BANK_FILL_WORD(o) ((bank_word_t)(o)) - -/* make a bank word value for each chip cmd/stat/rd value */ - -/* Commands */ -#define BANK_CMD_RST BANK_FILL_WORD(CHIP_CMD_RST) -#define BANK_CMD_RD_ID BANK_FILL_WORD(CHIP_CMD_RD_ID) -#define BANK_CMD_RD_STAT BANK_FILL_WORD(CHIP_CMD_RD_STAT) -#define BANK_CMD_CLR_STAT BANK_FILL_WORD(CHIP_CMD_CLR_STAT) -#define BANK_CMD_ERASE1 BANK_FILL_WORD(CHIP_CMD_ERASE1) -#define BANK_CMD_ERASE2 BANK_FILL_WORD(CHIP_CMD_ERASE2) -#define BANK_CMD_PROG BANK_FILL_WORD(CHIP_CMD_PROG) -#define BANK_CMD_LOCK BANK_FILL_WORD(CHIP_CMD_LOCK) -#define BANK_CMD_SET_LOCK_BLK BANK_FILL_WORD(CHIP_CMD_SET_LOCK_BLK) -#define BANK_CMD_SET_LOCK_MSTR BANK_FILL_WORD(CHIP_CMD_SET_LOCK_MSTR) -#define BANK_CMD_CLR_LOCK_BLK BANK_FILL_WORD(CHIP_CMD_CLR_LOCK_BLK) - -/* status register bits */ -#define BANK_STAT_DPS BANK_FILL_WORD(CHIP_STAT_DPS) -#define BANK_STAT_PSS BANK_FILL_WORD(CHIP_STAT_PSS) -#define BANK_STAT_VPPS BANK_FILL_WORD(CHIP_STAT_VPPS) -#define BANK_STAT_PSLBS BANK_FILL_WORD(CHIP_STAT_PSLBS) -#define BANK_STAT_ECLBS BANK_FILL_WORD(CHIP_STAT_ECLBS) -#define BANK_STAT_ESS BANK_FILL_WORD(CHIP_STAT_ESS) -#define BANK_STAT_RDY BANK_FILL_WORD(CHIP_STAT_RDY) - -#define BANK_STAT_ERR BANK_FILL_WORD(CHIP_STAT_ERR) - -/* ID and Lock Configuration */ -#define BANK_RD_ID_LOCK BANK_FILL_WORD(CHIP_RD_ID_LOCK) -#define BANK_RD_ID_MAN BANK_FILL_WORD(CHIP_RD_ID_MAN) -#define BANK_RD_ID_DEV BANK_FILL_WORD(CHIP_RD_ID_DEV) diff --git a/board/evb64260/local.h b/board/evb64260/local.h deleted file mode 100644 index 8a3f4b2..0000000 --- a/board/evb64260/local.h +++ /dev/null @@ -1,62 +0,0 @@ -/* - * include/local.h - local configuration options, board specific - */ - -#ifndef __LOCAL_H -#define __LOCAL_H - -/* - * High Level Configuration Options - * (easy to change) - */ - -/* This tells U-Boot that the config options are compiled in */ -/* #undef ENV_IS_EMBEDDED */ -/* Don't touch this! U-Boot figures this out based on other - * magic. */ - -/* Uncomment and define any of the below options */ - -/* #define CONFIG_750CX */ /* The 750CX doesn't support as many things in L2CR */ - /* Note: If you defined CONFIG_EVB64260_750CX this */ - /* gets defined automatically. */ - -/* These want string arguments */ -/* #define CONFIG_BOOTARGS */ -/* #define CONFIG_BOOTCOMMAND */ -/* #define CONFIG_RAMBOOTCOMMAND */ -/* #define CONFIG_NFSBOOTCOMMAND */ -/* #define CONFIG_SYS_AUTOLOAD */ -/* #define CONFIG_PREBOOT */ - -/* These don't */ - -/* #define CONFIG_BOOTDELAY */ -/* #define CONFIG_BAUDRATE */ -/* #define CONFIG_LOADS_ECHO */ -/* #define CONFIG_ETHADDR */ -/* #define CONFIG_ETH2ADDR */ -/* #define CONFIG_ETH3ADDR */ -/* #define CONFIG_IPADDR */ -/* #define CONFIG_SERVERIP */ -/* #define CONFIG_ROOTPATH */ -/* #define CONFIG_GATEWAYIP */ -/* #define CONFIG_NETMASK */ -/* #define CONFIG_HOSTNAME */ -/* #define CONFIG_BOOTFILE */ -/* #define CONFIG_LOADADDR */ - -/* these hardware addresses are pretty bogus, please change them to - suit your needs */ - -/* first ethernet */ -#define CONFIG_ETHADDR 00:11:22:33:44:55 - -/* next two ethernet hwaddrs */ -#define CONFIG_HAS_ETH1 -#define CONFIG_ETH1ADDR 00:11:22:33:44:66 -#define CONFIG_HAS_ETH2 -#define CONFIG_ETH2ADDR 00:11:22:33:44:77 - -#define CONFIG_ENV_OVERWRITE -#endif /* __CONFIG_H */ diff --git a/board/evb64260/memory.c b/board/evb64260/memory.c deleted file mode 100644 index e339854..0000000 --- a/board/evb64260/memory.c +++ /dev/null @@ -1,457 +0,0 @@ -/* Memory.c - Memory mappings and remapping functions */ - -/* Copyright - Galileo technology. */ - -/* modified by Josh Huber to clean some things up, and - * fit it into the U-Boot framework */ - -#include <galileo/core.h> -#include <galileo/memory.h> - -/******************************************************************** -* memoryGetBankBaseAddress - Gets the base address of a memory bank -* - If the memory bank size is 0 then this base address has no meaning!!! -* -* -* INPUTS: MEMORY_BANK bank - The bank we ask for its base Address. -* OUTPUT: N/A -* RETURNS: Memory bank base address. -*********************************************************************/ -static unsigned long memoryGetBankRegOffset(MEMORY_BANK bank) -{ - switch (bank) - { - case BANK0: - return SCS_0_LOW_DECODE_ADDRESS; - case BANK1: - return SCS_1_LOW_DECODE_ADDRESS; - case BANK2: - return SCS_2_LOW_DECODE_ADDRESS; - case BANK3: - return SCS_3_LOW_DECODE_ADDRESS; - } - return SCS_0_LOW_DECODE_ADDRESS; /* default value */ -} - -unsigned int memoryGetBankBaseAddress(MEMORY_BANK bank) -{ - unsigned int base; - unsigned int regOffset=memoryGetBankRegOffset(bank); - - GT_REG_READ(regOffset,&base); - base = base << 20; - return base; -} - -/******************************************************************** -* memoryGetDeviceBaseAddress - Gets the base address of a device. -* - If the device size is 0 then this base address has no meaning!!! -* -* -* INPUT: DEVICE device - The device we ask for its base address. -* OUTPUT: N/A -* RETURNS: Device base address. -*********************************************************************/ -static unsigned int memoryGetDeviceRegOffset(DEVICE device) -{ - switch (device) - { - case DEVICE0: - return CS_0_LOW_DECODE_ADDRESS; - case DEVICE1: - return CS_1_LOW_DECODE_ADDRESS; - case DEVICE2: - return CS_2_LOW_DECODE_ADDRESS; - case DEVICE3: - return CS_3_LOW_DECODE_ADDRESS; - case BOOT_DEVICE: - return BOOTCS_LOW_DECODE_ADDRESS; - } - return CS_0_LOW_DECODE_ADDRESS; /* default value */ -} - -unsigned int memoryGetDeviceBaseAddress(DEVICE device) -{ - unsigned int regBase; - unsigned int regEnd; - unsigned int regOffset=memoryGetDeviceRegOffset(device); - - GT_REG_READ(regOffset, ®Base); - GT_REG_READ(regOffset+8, ®End); - - if(regEnd<=regBase) return 0xffffffff; /* ERROR !!! */ - - regBase = regBase << 20; - return regBase; -} - -/******************************************************************** -* memoryGetBankSize - Returns the size of a memory bank. -* -* -* INPUT: MEMORY_BANK bank - The bank we ask for its size. -* OUTPUT: N/A -* RETURNS: Memory bank size. -*********************************************************************/ -unsigned int memoryGetBankSize(MEMORY_BANK bank) -{ - unsigned int size,base; - unsigned int highValue; - unsigned int highAddress=memoryGetBankRegOffset(bank)+8; - - base = memoryGetBankBaseAddress(bank); - GT_REG_READ(highAddress,&highValue); - highValue = (highValue + 1) << 20; - if(base > highValue) - size=0; - else - size = highValue - base; - return size; -} - -/******************************************************************** -* memoryGetDeviceSize - Returns the size of a device memory space -* -* -* INPUT: DEVICE device - The device we ask for its base address. -* OUTPUT: N/A -* RETURNS: Size of a device memory space. -*********************************************************************/ -unsigned int memoryGetDeviceSize(DEVICE device) -{ - unsigned int size,base; - unsigned int highValue; - unsigned int highAddress=memoryGetDeviceRegOffset(device)+8; - - base = memoryGetDeviceBaseAddress(device); - GT_REG_READ(highAddress,&highValue); - if (highValue == 0xfff) - { - size = (~base) + 1; /* what the heck is this? */ - return size; - } - else - highValue = (highValue + 1) << 20; - - if(base > highValue) - size=0; - else - size = highValue - base; - return size; -} - -/******************************************************************** -* memoryGetDeviceWidth - A device can be with: 1,2,4 or 8 Bytes data width. -* The width is determine in registers: 'Device Parameters' -* registers (0x45c, 0x460, 0x464, 0x468, 0x46c - for each device. -* at bits: [21:20]. -* -* INPUT: DEVICE device - Device number -* OUTPUT: N/A -* RETURNS: Device width in Bytes (1,2,4 or 8), 0 if error had occurred. -*********************************************************************/ -unsigned int memoryGetDeviceWidth(DEVICE device) -{ - unsigned int width; - unsigned int regValue; - - GT_REG_READ(DEVICE_BANK0PARAMETERS + device*4,®Value); - width = (regValue & 0x00300000) >> 20; - switch (width) - { - case 0: - return 1; - case 1: - return 2; - case 2: - return 4; - case 3: - return 8; - default: - return 0; - } -} - -bool memoryMapBank(MEMORY_BANK bank, unsigned int bankBase,unsigned int bankLength) -{ - unsigned int low=0xfff; - unsigned int high=0x0; - unsigned int regOffset=memoryGetBankRegOffset(bank); - - if(bankLength!=0) { - low = (bankBase >> 20) & 0xffff; - high=((bankBase+bankLength)>>20)-1; - } - -#ifdef DEBUG - { - unsigned int oldLow, oldHigh; - GT_REG_READ(regOffset,&oldLow); - GT_REG_READ(regOffset+8,&oldHigh); - - printf("b%d %x-%x->%x-%x\n", bank, oldLow, oldHigh, low, high); - } -#endif - - GT_REG_WRITE(regOffset,low); - GT_REG_WRITE(regOffset+8,high); - - return true; -} -bool memoryMapDeviceSpace(DEVICE device, unsigned int deviceBase,unsigned int deviceLength) -{ - /* TODO: what are appropriate "unmapped" values? */ - unsigned int low=0xfff; - unsigned int high=0x0; - unsigned int regOffset=memoryGetDeviceRegOffset(device); - - if(deviceLength != 0) { - low=deviceBase>>20; - high=((deviceBase+deviceLength)>>20)-1; - } else { - /* big problems in here... */ - /* this will HANG */ - } - - GT_REG_WRITE(regOffset,low); - GT_REG_WRITE(regOffset+8,high); - - return true; -} - - -/******************************************************************** -* memoryMapInternalRegistersSpace - Sets new base address for the internals -* registers. -* -* INPUTS: unsigned int internalRegBase - The new base address. -* RETURNS: true on success, false on failure -*********************************************************************/ -bool memoryMapInternalRegistersSpace(unsigned int internalRegBase) -{ - unsigned int currentValue; - unsigned int internalValue = internalRegBase; - - internalRegBase = (internalRegBase >> 20); - GT_REG_READ(INTERNAL_SPACE_DECODE,¤tValue); - internalRegBase = (currentValue & 0xffff0000) | internalRegBase; - GT_REG_WRITE(INTERNAL_SPACE_DECODE,internalRegBase); - INTERNAL_REG_BASE_ADDR = internalValue; - return true; -} - -/******************************************************************** -* memoryGetInternalRegistersSpace - Gets internal registers Base Address. -* -* INPUTS: unsigned int internalRegBase - The new base address. -* RETURNS: true on success, false on failure -*********************************************************************/ -unsigned int memoryGetInternalRegistersSpace(void) -{ - return INTERNAL_REG_BASE_ADDR; -} - -/******************************************************************** -* memorySetProtectRegion - This function modifys one of the 8 regions with -* one of the three protection mode. -* - Be advised to check the spec before modifying them. -* -* -* Inputs: CPU_PROTECT_REGION - one of the eight regions. -* CPU_ACCESS - general access. -* CPU_WRITE - read only access. -* CPU_CACHE_PROTECT - chache access. -* we defining CPU because there is another protect from the pci SIDE. -* Returns: false if one of the parameters is wrong and true else -*********************************************************************/ -bool memorySetProtectRegion(MEMORY_PROTECT_REGION region, - MEMORY_ACCESS memAccess, - MEMORY_ACCESS_WRITE memWrite, - MEMORY_CACHE_PROTECT cacheProtection, - unsigned int baseAddress, - unsigned int regionLength) -{ - unsigned int protectHigh = baseAddress + regionLength; - - if(regionLength == 0) /* closing the region */ - { - GT_REG_WRITE(CPU_LOW_PROTECT_ADDRESS_0 + 0x10*region,0x0000ffff); - GT_REG_WRITE(CPU_HIGH_PROTECT_ADDRESS_0 + 0x10*region,0); - return true; - } - baseAddress = (baseAddress & 0xfff00000) >> 20; - baseAddress = baseAddress | memAccess << 16 | memWrite << 17 - | cacheProtection << 18; - GT_REG_WRITE(CPU_LOW_PROTECT_ADDRESS_0 + 0x10*region,baseAddress); - protectHigh = (protectHigh & 0xfff00000) >> 20; - GT_REG_WRITE(CPU_HIGH_PROTECT_ADDRESS_0 + 0x10*region,protectHigh - 1); - return true; -} - -/******************************************************************** -* memorySetRegionSnoopMode - This function modifys one of the 4 regions which -* supports Cache Coherency. -* -* -* Inputs: SNOOP_REGION region - One of the four regions. -* SNOOP_TYPE snoopType - There is four optional Types: -* 1. No Snoop. -* 2. Snoop to WT region. -* 3. Snoop to WB region. -* 4. Snoop & Invalidate to WB region. -* unsigned int baseAddress - Base Address of this region. -* unsigned int topAddress - Top Address of this region. -* Returns: false if one of the parameters is wrong and true else -*********************************************************************/ -bool memorySetRegionSnoopMode(MEMORY_SNOOP_REGION region, - MEMORY_SNOOP_TYPE snoopType, - unsigned int baseAddress, - unsigned int regionLength) -{ - unsigned int snoopXbaseAddress; - unsigned int snoopXtopAddress; - unsigned int data; - unsigned int snoopHigh = baseAddress + regionLength; - - if( (region > MEM_SNOOP_REGION3) || (snoopType > MEM_SNOOP_WB) ) - return false; - snoopXbaseAddress = SNOOP_BASE_ADDRESS_0 + 0x10 * region; - snoopXtopAddress = SNOOP_TOP_ADDRESS_0 + 0x10 * region; - if(regionLength == 0) /* closing the region */ - { - GT_REG_WRITE(snoopXbaseAddress,0x0000ffff); - GT_REG_WRITE(snoopXtopAddress,0); - return true; - } - baseAddress = baseAddress & 0xffff0000; - data = (baseAddress >> 16) | snoopType << 16; - GT_REG_WRITE(snoopXbaseAddress,data); - snoopHigh = (snoopHigh & 0xfff00000) >> 20; - GT_REG_WRITE(snoopXtopAddress,snoopHigh - 1); - return true; -} - -/******************************************************************** -* memoryRemapAddress - This fubction used for address remapping. -* -* -* Inputs: regOffset: remap register -* remapValue : -* Returns: false if one of the parameters is erroneous,true otherwise. -*********************************************************************/ -bool memoryRemapAddress(unsigned int remapReg, unsigned int remapValue) -{ - unsigned int valueForReg; - valueForReg = (remapValue & 0xfff00000) >> 20; - GT_REG_WRITE(remapReg, valueForReg); - return true; -} - -/******************************************************************** -* memoryGetDeviceParam - This function used for getting device parameters from -* DEVICE BANK PARAMETERS REGISTER -* -* -* Inputs: - deviceParam: STRUCT with paramiters for DEVICE BANK -* PARAMETERS REGISTER -* - deviceNum : number of device -* Returns: false if one of the parameters is erroneous,true otherwise. -*********************************************************************/ -bool memoryGetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum) -{ - unsigned int valueOfReg; - unsigned int calcData; - - GT_REG_READ(DEVICE_BANK0PARAMETERS + 4 * deviceNum, &valueOfReg); - calcData = (0x7 & valueOfReg) + ((0x400000 & valueOfReg) >> 19); - deviceParam -> turnOff = calcData; /* Turn Off */ - - calcData = ((0x78 & valueOfReg) >> 3) + ((0x800000 & valueOfReg) >> 19); - deviceParam -> acc2First = calcData; /* Access To First */ - - calcData = ((0x780 & valueOfReg) >> 7) + ((0x1000000 & valueOfReg) >> 20); - deviceParam -> acc2Next = calcData; /* Access To Next */ - - calcData = ((0x3800 & valueOfReg) >> 11) + ((0x2000000 & valueOfReg) >> 22); - deviceParam -> ale2Wr = calcData; /* Ale To Write */ - - calcData = ((0x1c000 & valueOfReg) >> 14) + ((0x4000000 & valueOfReg) >> 23); - deviceParam -> wrLow = calcData; /* Write Active */ - - calcData = ((0xe0000 & valueOfReg) >> 17) + ((0x8000000 & valueOfReg) >> 24); - deviceParam -> wrHigh = calcData; /* Write High */ - - calcData = ((0x300000 & valueOfReg) >> 20); - switch (calcData) - { - case 0: - deviceParam -> deviceWidth = 1; /* one Byte - 8-bit */ - break; - case 1: - deviceParam -> deviceWidth = 2; /* two Bytes - 16-bit */ - break; - case 2: - deviceParam -> deviceWidth = 4; /* four Bytes - 32-bit */ - break; - case 3: - deviceParam -> deviceWidth = 8; /* eight Bytes - 64-bit */ - break; - default: - deviceParam -> deviceWidth = 1; - break; - } - return true; -} - -/******************************************************************** -* memorySetDeviceParam - This function used for setting device parameters to -* DEVICE BANK PARAMETERS REGISTER -* -* -* Inputs: - deviceParam: STRUCT for store paramiters from DEVICE BANK -* PARAMETERS REGISTER -* - deviceNum : number of device -* Returns: false if one of the parameters is erroneous,true otherwise. -*********************************************************************/ -bool memorySetDeviceParam(DEVICE_PARAM *deviceParam, DEVICE deviceNum) -{ - unsigned int valueForReg; - - if((deviceParam -> turnOff >= 0xf) || (deviceParam -> acc2First >= 0x1f) || - (deviceParam -> acc2Next >= 0x1f) || (deviceParam -> ale2Wr >= 0xf) || - (deviceParam -> wrLow >= 0xf) || (deviceParam -> wrHigh >= 0xf)) - return false; - valueForReg = (((deviceParam -> turnOff) & 0x7) | - (((deviceParam -> turnOff) & 0x8) << 19) | - (((deviceParam -> acc2First) & 0xf) << 3) | - (((deviceParam -> acc2First) & 0x10) << 19) | - (((deviceParam -> acc2Next) & 0xf) << 7) | - (((deviceParam -> acc2Next) & 0x10) << 20) | - (((deviceParam -> ale2Wr) & 0x7) << 11) | - (((deviceParam -> ale2Wr) & 0xf) << 22) | - (((deviceParam -> wrLow) & 0x7) << 14) | - (((deviceParam -> wrLow) & 0xf) << 23) | - (((deviceParam -> wrHigh) & 0x7) << 17) | - (((deviceParam -> wrHigh) & 0xf) << 24)); - /* insert the device width: */ - switch(deviceParam->deviceWidth) - { - case 1: - valueForReg = valueForReg | _8BIT; - break; - case 2: - valueForReg = valueForReg | _16BIT; - break; - case 4: - valueForReg = valueForReg | _32BIT; - break; - case 8: - valueForReg = valueForReg | _64BIT; - break; - default: - valueForReg = valueForReg | _8BIT; - break; - } - GT_REG_WRITE(DEVICE_BANK0PARAMETERS + 4 * deviceNum, valueForReg); - return true; -} diff --git a/board/evb64260/misc.S b/board/evb64260/misc.S deleted file mode 100644 index f09528d..0000000 --- a/board/evb64260/misc.S +++ /dev/null @@ -1,182 +0,0 @@ -#include <config.h> -#include <74xx_7xx.h> -#include <version.h> - -#include <ppc_asm.tmpl> -#include <ppc_defs.h> - -#include <asm/cache.h> -#include <asm/mmu.h> - -#include <galileo/gt64260R.h> - -#ifdef CONFIG_ECC - /* Galileo specific asm code for initializing ECC */ - .globl board_relocate_rom -board_relocate_rom: - mflr r7 - /* update the location of the GT registers */ - lis r11, CONFIG_SYS_GT_REGS@h - /* if we're using ECC, we must use the DMA engine to copy ourselves */ - bl start_idma_transfer_0 - bl wait_for_idma_0 - bl stop_idma_engine_0 - - mtlr r7 - blr - - .globl board_init_ecc -board_init_ecc: - mflr r7 - /* NOTE: r10 still contains the location we've been relocated to - * which happens to be TOP_OF_RAM - CONFIG_SYS_MONITOR_LEN */ - - /* now that we're running from ram, init the rest of main memory - * for ECC use */ - lis r8, CONFIG_SYS_MONITOR_LEN@h - ori r8, r8, CONFIG_SYS_MONITOR_LEN@l - - divw r3, r10, r8 - - /* set up the counter, and init the starting address */ - mtctr r3 - li r12, 0 - - /* bytes per transfer */ - mr r5, r8 -about_to_init_ecc: -1: mr r3, r12 - mr r4, r12 - bl start_idma_transfer_0 - bl wait_for_idma_0 - bl stop_idma_engine_0 - add r12, r12, r8 - bdnz 1b - - mtlr r7 - blr - - /* r3: dest addr - * r4: source addr - * r5: byte count - * r11: gt regbase - * trashes: r6, r5 - */ -start_idma_transfer_0: - /* set the byte count, including the OWN bit */ - mr r6, r11 - ori r6, r6, CHANNEL0_DMA_BYTE_COUNT - stwbrx r5, 0, (r6) - - /* set the source address */ - mr r6, r11 - ori r6, r6, CHANNEL0_DMA_SOURCE_ADDRESS - stwbrx r4, 0, (r6) - - /* set the dest address */ - mr r6, r11 - ori r6, r6, CHANNEL0_DMA_DESTINATION_ADDRESS - stwbrx r3, 0, (r6) - - /* set the next record pointer */ - li r5, 0 - mr r6, r11 - ori r6, r6, CHANNEL0NEXT_RECORD_POINTER - stwbrx r5, 0, (r6) - - /* set the low control register */ - /* bit 9 is NON chained mode, bit 31 is new style descriptors. - bit 12 is channel enable */ - ori r5, r5, (1 << 12) | (1 << 12) | (1 << 11) - /* 15 shifted by 16 (oris) == bit 31 */ - oris r5, r5, (1 << 15) - mr r6, r11 - ori r6, r6, CHANNEL0CONTROL - stwbrx r5, 0, (r6) - - blr - - /* this waits for the bytecount to return to zero, indicating - * that the trasfer is complete */ -wait_for_idma_0: - mr r5, r11 - lis r6, 0xff - ori r6, r6, 0xffff - ori r5, r5, CHANNEL0_DMA_BYTE_COUNT -1: lwbrx r4, 0, (r5) - and. r4, r4, r6 - bne 1b - - blr - - /* this turns off channel 0 of the idma engine */ -stop_idma_engine_0: - /* shut off the DMA engine */ - li r5, 0 - mr r6, r11 - ori r6, r6, CHANNEL0CONTROL - stwbrx r5, 0, (r6) - - blr -#endif - -#ifdef CONFIG_SYS_BOARD_ASM_INIT - /* NOTE: trashes r3-r7 */ - .globl board_asm_init -board_asm_init: - /* just move the GT registers to where they belong */ - lis r3, CONFIG_SYS_DFL_GT_REGS@h - ori r3, r3, CONFIG_SYS_DFL_GT_REGS@l - lis r4, CONFIG_SYS_GT_REGS@h - ori r4, r4, CONFIG_SYS_GT_REGS@l - li r5, INTERNAL_SPACE_DECODE - - /* test to see if we've already moved */ - lwbrx r6, r5, r4 - andi. r6, r6, 0xffff - rlwinm r7, r4, 12, 16, 31 - cmp cr0, r7, r6 - beqlr - - /* nope, have to move the registers */ - lwbrx r6, r5, r3 - andis. r6, r6, 0xffff - or r6, r6, r7 - stwbrx r6, r5, r3 - - /* now, poll for the change */ -1: lwbrx r7, r5, r4 - cmp cr0, r7, r6 - bne 1b - - /* done! */ - blr -#endif - -/* For use of the debug LEDs */ - .global led_on0 -led_on0: - xor r18, r18, r18 - lis r18, 0x1c80 - ori r18, r18, 0x8000 - stw r18, 0x0(r18) - sync - blr - - .global led_on1 -led_on1: - xor r18, r18, r18 - lis r18, 0x1c80 - ori r18, r18, 0xc000 - stw r18, 0x0(r18) - sync - blr - - .global led_on2 -led_on2: - xor r18, r18, r18 - lis r18, 0x1c81 - ori r18, r18, 0x0000 - stw r18, 0x0(r18) - sync - blr diff --git a/board/evb64260/mpsc.c b/board/evb64260/mpsc.c deleted file mode 100644 index c9da57c..0000000 --- a/board/evb64260/mpsc.c +++ /dev/null @@ -1,838 +0,0 @@ -/* - * (C) Copyright 2001 - * John Clemens <clemens@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * mpsc.c - driver for console over the MPSC. - */ - -#include <common.h> -#include <config.h> -#include <asm/cache.h> - -#include <malloc.h> -#include "mpsc.h" - -DECLARE_GLOBAL_DATA_PTR; - -int (*mpsc_putchar)(char ch) = mpsc_putchar_early; - -static volatile unsigned int *rx_desc_base=NULL; -static unsigned int rx_desc_index=0; -static volatile unsigned int *tx_desc_base=NULL; -static unsigned int tx_desc_index=0; - -/* local function declarations */ -static int galmpsc_connect(int channel, int connect); -static int galmpsc_route_serial(int channel, int connect); -static int galmpsc_route_rx_clock(int channel, int brg); -static int galmpsc_route_tx_clock(int channel, int brg); -static int galmpsc_write_config_regs(int mpsc, int mode); -static int galmpsc_config_channel_regs(int mpsc); -static int galmpsc_set_char_length(int mpsc, int value); -static int galmpsc_set_stop_bit_length(int mpsc, int value); -static int galmpsc_set_parity(int mpsc, int value); -static int galmpsc_enter_hunt(int mpsc); -static int galmpsc_set_brkcnt(int mpsc, int value); -static int galmpsc_set_tcschar(int mpsc, int value); -static int galmpsc_set_snoop(int mpsc, int value); -static int galmpsc_shutdown(int mpsc); - -static int galsdma_set_RFT(int channel); -static int galsdma_set_SFM(int channel); -static int galsdma_set_rxle(int channel); -static int galsdma_set_txle(int channel); -static int galsdma_set_burstsize(int channel, unsigned int value); -static int galsdma_set_RC(int channel, unsigned int value); - -static int galbrg_set_CDV(int channel, int value); -static int galbrg_enable(int channel); -static int galbrg_disable(int channel); -static int galbrg_set_clksrc(int channel, int value); -static int galbrg_set_CUV(int channel, int value); - -static void galsdma_enable_rx(void); - -/* static int galbrg_reset(int channel); */ - -#define SOFTWARE_CACHE_MANAGEMENT - -#ifdef SOFTWARE_CACHE_MANAGEMENT -#define FLUSH_DCACHE(a,b) if(dcache_status()){clean_dcache_range((u32)(a),(u32)(b));} -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) if(dcache_status()){flush_dcache_range((u32)(a),(u32)(b));} -#define INVALIDATE_DCACHE(a,b) if(dcache_status()){invalidate_dcache_range((u32)(a),(u32)(b));} -#else -#define FLUSH_DCACHE(a,b) -#define FLUSH_AND_INVALIDATE_DCACHE(a,b) -#define INVALIDATE_DCACHE(a,b) -#endif - - -/* GT64240A errata: cant read MPSC/BRG registers... so make mirrors in ram for read/modify write */ -#define MIRROR_HACK ((struct _tag_mirror_hack *)&(gd->arch.mirror_hack[0])) - -#define GT_REG_WRITE_MIRROR_G(a,d) {MIRROR_HACK->a ## _M = d; GT_REG_WRITE(a,d);} -#define GTREGREAD_MIRROR_G(a) (MIRROR_HACK->a ## _M) - -#define GT_REG_WRITE_MIRROR(a,i,g,d) {MIRROR_HACK->a ## _M[i] = d; GT_REG_WRITE(a + (i*g),d);} -#define GTREGREAD_MIRROR(a,i,g) (MIRROR_HACK->a ## _M[i]) - -/* make sure this isn't bigger than 16 long words (u-boot.h) */ -struct _tag_mirror_hack { - unsigned GALMPSC_PROTOCONF_REG_M[2]; /* 8008 */ - unsigned GALMPSC_CHANNELREG_1_M[2]; /* 800c */ - unsigned GALMPSC_CHANNELREG_2_M[2]; /* 8010 */ - unsigned GALBRG_0_CONFREG_M[2]; /* b200 */ - - unsigned GALMPSC_ROUTING_REGISTER_M; /* b400 */ - unsigned GALMPSC_RxC_ROUTE_M; /* b404 */ - unsigned GALMPSC_TxC_ROUTE_M; /* b408 */ - - unsigned int baudrate; /* current baudrate, for tsc delay calc */ -}; - -/* static struct _tag_mirror_hack *mh = NULL; */ - -/* special function for running out of flash. doesn't modify any - * global variables [josh] */ -int -mpsc_putchar_early(char ch) -{ - int mpsc=CHANNEL; - int temp=GTREGREAD_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP); - galmpsc_set_tcschar(mpsc,ch); - GT_REG_WRITE(GALMPSC_CHANNELREG_2+(mpsc*GALMPSC_REG_GAP), temp|0x200); - -#define MAGIC_FACTOR (10*1000000) - - udelay(MAGIC_FACTOR / MIRROR_HACK->baudrate); - return 0; -} - -/* This is used after relocation, see serial.c and mpsc_init2 */ -static int -mpsc_putchar_sdma(char ch) -{ - volatile unsigned int *p; - unsigned int temp; - - - /* align the descriptor */ - p = tx_desc_base; - memset((void *)p, 0, 8 * sizeof(unsigned int)); - - /* fill one 64 bit buffer */ - /* word swap, pad with 0 */ - p[4] = 0; /* x */ - p[5] = (unsigned int)ch; /* x */ - - /* CHANGED completely according to GT64260A dox - NTL */ - p[0] = 0x00010001; /* 0 */ - p[1] = DESC_OWNER | DESC_FIRST | DESC_LAST; /* 4 */ - p[2] = 0; /* 8 */ - p[3] = (unsigned int)&p[4]; /* c */ - -#if 0 - p[9] = DESC_FIRST | DESC_LAST; - p[10] = (unsigned int)&p[0]; - p[11] = (unsigned int)&p[12]; -#endif - - FLUSH_DCACHE(&p[0], &p[8]); - - GT_REG_WRITE(GALSDMA_0_CUR_TX_PTR+(CHANNEL*GALSDMA_REG_DIFF), - (unsigned int)&p[0]); - GT_REG_WRITE(GALSDMA_0_FIR_TX_PTR+(CHANNEL*GALSDMA_REG_DIFF), - (unsigned int)&p[0]); - - temp = GTREGREAD(GALSDMA_0_COM_REG+(CHANNEL*GALSDMA_REG_DIFF)); - temp |= (TX_DEMAND | TX_STOP); - GT_REG_WRITE(GALSDMA_0_COM_REG+(CHANNEL*GALSDMA_REG_DIFF), temp); - - INVALIDATE_DCACHE(&p[1], &p[2]); - - while(p[1] & DESC_OWNER) { - udelay(100); - INVALIDATE_DCACHE(&p[1], &p[2]); - } - - return 0; -} - -char mpsc_getchar (void) -{ - static unsigned int done = 0; - volatile char ch; - unsigned int len = 0, idx = 0, temp; - - volatile unsigned int *p; - - - do { - p = &rx_desc_base[rx_desc_index * 8]; - - INVALIDATE_DCACHE (&p[0], &p[1]); - /* Wait for character */ - while (p[1] & DESC_OWNER) { - udelay (100); - INVALIDATE_DCACHE (&p[0], &p[1]); - } - - /* Handle error case */ - if (p[1] & (1 << 15)) { - printf ("oops, error: %08x\n", p[1]); - - temp = GTREGREAD_MIRROR (GALMPSC_CHANNELREG_2, - CHANNEL, GALMPSC_REG_GAP); - temp |= (1 << 23); - GT_REG_WRITE_MIRROR (GALMPSC_CHANNELREG_2, CHANNEL, - GALMPSC_REG_GAP, temp); - - /* Can't poll on abort bit, so we just wait. */ - udelay (100); - - galsdma_enable_rx (); - } - - /* Number of bytes left in this descriptor */ - len = p[0] & 0xffff; - - if (len) { - /* Where to look */ - idx = 5; - if (done > 3) - idx = 4; - if (done > 7) - idx = 7; - if (done > 11) - idx = 6; - - INVALIDATE_DCACHE (&p[idx], &p[idx + 1]); - ch = p[idx] & 0xff; - done++; - } - - if (done < len) { - /* this descriptor has more bytes still - * shift down the char we just read, and leave the - * buffer in place for the next time around - */ - p[idx] = p[idx] >> 8; - FLUSH_DCACHE (&p[idx], &p[idx + 1]); - } - - if (done == len) { - /* nothing left in this descriptor. - * go to next one - */ - p[1] = DESC_OWNER | DESC_FIRST | DESC_LAST; - p[0] = 0x00100000; - FLUSH_DCACHE (&p[0], &p[1]); - /* Next descriptor */ - rx_desc_index = (rx_desc_index + 1) % RX_DESC; - done = 0; - } - } while (len == 0); /* galileo bug.. len might be zero */ - - return ch; -} - -int -mpsc_test_char(void) -{ - volatile unsigned int *p = &rx_desc_base[rx_desc_index*8]; - - INVALIDATE_DCACHE(&p[1], &p[2]); - - if (p[1] & DESC_OWNER) return 0; - else return 1; -} - -int -mpsc_init(int baud) -{ - memset(MIRROR_HACK, 0, sizeof(struct _tag_mirror_hack)); - MIRROR_HACK->GALMPSC_ROUTING_REGISTER_M=0x3fffffff; - - /* BRG CONFIG */ - galbrg_set_baudrate(CHANNEL, baud); -#if defined(CONFIG_ZUMA_V2) || defined(CONFIG_P3G4) - galbrg_set_clksrc(CHANNEL,0x8); /* connect TCLK -> BRG */ -#else - galbrg_set_clksrc(CHANNEL,0); -#endif - galbrg_set_CUV(CHANNEL, 0); - galbrg_enable(CHANNEL); - - /* Set up clock routing */ - galmpsc_connect(CHANNEL, GALMPSC_CONNECT); - galmpsc_route_serial(CHANNEL, GALMPSC_CONNECT); - galmpsc_route_rx_clock(CHANNEL, CHANNEL); - galmpsc_route_tx_clock(CHANNEL, CHANNEL); - - /* reset MPSC state */ - galmpsc_shutdown(CHANNEL); - - /* SDMA CONFIG */ - galsdma_set_burstsize(CHANNEL, L1_CACHE_BYTES/8); /* in 64 bit words (8 bytes) */ - galsdma_set_txle(CHANNEL); - galsdma_set_rxle(CHANNEL); - galsdma_set_RC(CHANNEL, 0xf); - galsdma_set_SFM(CHANNEL); - galsdma_set_RFT(CHANNEL); - - /* MPSC CONFIG */ - galmpsc_write_config_regs(CHANNEL, GALMPSC_UART); - galmpsc_config_channel_regs(CHANNEL); - galmpsc_set_char_length(CHANNEL, GALMPSC_CHAR_LENGTH_8); /* 8 */ - galmpsc_set_parity(CHANNEL, GALMPSC_PARITY_NONE); /* N */ - galmpsc_set_stop_bit_length(CHANNEL, GALMPSC_STOP_BITS_1); /* 1 */ - - /* COMM_MPSC CONFIG */ -#ifdef SOFTWARE_CACHE_MANAGEMENT - galmpsc_set_snoop(CHANNEL, 0); /* disable snoop */ -#else - galmpsc_set_snoop(CHANNEL, 1); /* enable snoop */ -#endif - - return 0; -} - -void -mpsc_init2(void) -{ - int i; - - mpsc_putchar = mpsc_putchar_sdma; - - /* RX descriptors */ - rx_desc_base = (unsigned int *)malloc(((RX_DESC+1)*8) * - sizeof(unsigned int)); - - /* align descriptors */ - rx_desc_base = (unsigned int *) - (((unsigned int)rx_desc_base+32) & 0xFFFFFFF0); - - rx_desc_index = 0; - - memset((void *)rx_desc_base, 0, (RX_DESC*8)*sizeof(unsigned int)); - - for (i = 0; i < RX_DESC; i++) { - rx_desc_base[i*8 + 3] = (unsigned int)&rx_desc_base[i*8 + 4]; /* Buffer */ - rx_desc_base[i*8 + 2] = (unsigned int)&rx_desc_base[(i+1)*8]; /* Next descriptor */ - rx_desc_base[i*8 + 1] = DESC_OWNER | DESC_FIRST | DESC_LAST; /* Command & control */ - rx_desc_base[i*8] = 0x00100000; - } - rx_desc_base[(i-1)*8 + 2] = (unsigned int)&rx_desc_base[0]; - - FLUSH_DCACHE(&rx_desc_base[0], &rx_desc_base[RX_DESC*8]); - GT_REG_WRITE(GALSDMA_0_CUR_RX_PTR+(CHANNEL*GALSDMA_REG_DIFF), - (unsigned int)&rx_desc_base[0]); - - /* TX descriptors */ - tx_desc_base = (unsigned int *)malloc(((TX_DESC+1)*8) * - sizeof(unsigned int)); - - /* align descriptors */ - tx_desc_base = (unsigned int *) - (((unsigned int)tx_desc_base+32) & 0xFFFFFFF0); - - tx_desc_index = -1; - - memset((void *)tx_desc_base, 0, (TX_DESC*8)*sizeof(unsigned int)); - - for (i = 0; i < TX_DESC; i++) { - tx_desc_base[i*8 + 5] = (unsigned int)0x23232323; - tx_desc_base[i*8 + 4] = (unsigned int)0x23232323; - tx_desc_base[i*8 + 3] = (unsigned int)&tx_desc_base[i*8 + 4]; - tx_desc_base[i*8 + 2] = (unsigned int)&tx_desc_base[(i+1)*8]; - tx_desc_base[i*8 + 1] = DESC_OWNER | DESC_FIRST | DESC_LAST; - - /* set sbytecnt and shadow byte cnt to 1 */ - tx_desc_base[i*8] = 0x00010001; - } - tx_desc_base[(i-1)*8 + 2] = (unsigned int)&tx_desc_base[0]; - - FLUSH_DCACHE(&tx_desc_base[0], &tx_desc_base[TX_DESC*8]); - - udelay(100); - - galsdma_enable_rx(); - - return; -} - -int -galbrg_set_baudrate(int channel, int rate) -{ - int clock; - - galbrg_disable(channel); - -#if defined(CONFIG_ZUMA_V2) || defined(CONFIG_P3G4) - /* from tclk */ - clock = (CONFIG_SYS_BUS_CLK/(16*rate)) - 1; -#else - clock = (3686400/(16*rate)) - 1; -#endif - - galbrg_set_CDV(channel, clock); - - galbrg_enable(channel); - - MIRROR_HACK->baudrate = rate; - - return 0; -} - -/* ------------------------------------------------------------------ */ - -/* Below are all the private functions that no one else needs */ - -static int -galbrg_set_CDV(int channel, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALBRG_0_CONFREG, channel, GALBRG_REG_GAP); - temp &= 0xFFFF0000; - temp |= (value & 0x0000FFFF); - GT_REG_WRITE_MIRROR(GALBRG_0_CONFREG,channel,GALBRG_REG_GAP, temp); - - return 0; -} - -static int -galbrg_enable(int channel) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALBRG_0_CONFREG, channel, GALBRG_REG_GAP); - temp |= 0x00010000; - GT_REG_WRITE_MIRROR(GALBRG_0_CONFREG, channel, GALBRG_REG_GAP,temp); - - return 0; -} - -static int -galbrg_disable(int channel) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALBRG_0_CONFREG, channel, GALBRG_REG_GAP); - temp &= 0xFFFEFFFF; - GT_REG_WRITE_MIRROR(GALBRG_0_CONFREG, channel, GALBRG_REG_GAP,temp); - - return 0; -} - -static int -galbrg_set_clksrc(int channel, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALBRG_0_CONFREG,channel, GALBRG_REG_GAP); - temp &= 0xFF83FFFF; - temp |= (value << 18); - GT_REG_WRITE_MIRROR(GALBRG_0_CONFREG,channel, GALBRG_REG_GAP,temp); - - return 0; -} - -static int -galbrg_set_CUV(int channel, int value) -{ - GT_REG_WRITE(GALBRG_0_BTREG + (channel * GALBRG_REG_GAP), value); - - return 0; -} - -#if 0 -static int -galbrg_reset(int channel) -{ - unsigned int temp; - - temp = GTREGREAD(GALBRG_0_CONFREG + (channel * GALBRG_REG_GAP)); - temp |= 0x20000; - GT_REG_WRITE(GALBRG_0_CONFREG + (channel * GALBRG_REG_GAP), temp); - - return 0; -} -#endif - -static int -galsdma_set_RFT(int channel) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp |= 0x00000001; - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), temp); - - return 0; -} - -static int -galsdma_set_SFM(int channel) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp |= 0x00000002; - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), temp); - - return 0; -} - -static int -galsdma_set_rxle(int channel) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp |= 0x00000040; - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), temp); - - return 0; -} - -static int -galsdma_set_txle(int channel) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp |= 0x00000080; - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), temp); - - return 0; -} - -static int -galsdma_set_RC(int channel, unsigned int value) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp &= ~0x0000003c; - temp |= (value << 2); - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), temp); - - return 0; -} - -static int -galsdma_set_burstsize(int channel, unsigned int value) -{ - unsigned int temp; - - temp = GTREGREAD(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF)); - temp &= 0xFFFFCFFF; - switch (value) { - case 8: - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), - (temp | (0x3 << 12))); - break; - - case 4: - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), - (temp | (0x2 << 12))); - break; - - case 2: - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), - (temp | (0x1 << 12))); - break; - - case 1: - GT_REG_WRITE(GALSDMA_0_CONF_REG+(channel*GALSDMA_REG_DIFF), - (temp | (0x0 << 12))); - break; - - default: - return -1; - break; - } - - return 0; -} - -static int -galmpsc_connect(int channel, int connect) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR_G(GALMPSC_ROUTING_REGISTER); - - if ((channel == 0) && connect) - temp &= ~0x00000007; - else if ((channel == 1) && connect) - temp &= ~(0x00000007 << 6); - else if ((channel == 0) && !connect) - temp |= 0x00000007; - else - temp |= (0x00000007 << 6); - - /* Just in case... */ - temp &= 0x3fffffff; - - GT_REG_WRITE_MIRROR_G(GALMPSC_ROUTING_REGISTER, temp); - - return 0; -} - -static int -galmpsc_route_serial(int channel, int connect) -{ - unsigned int temp; - - temp = GTREGREAD(GALMPSC_SERIAL_MULTIPLEX); - - if ((channel == 0) && connect) - temp |= 0x00000100; - else if ((channel == 1) && connect) - temp |= 0x00001000; - else if ((channel == 0) && !connect) - temp &= ~0x00000100; - else - temp &= ~0x00001000; - - GT_REG_WRITE(GALMPSC_SERIAL_MULTIPLEX,temp); - - return 0; -} - -static int -galmpsc_route_rx_clock(int channel, int brg) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR_G(GALMPSC_RxC_ROUTE); - - if (channel == 0) - temp |= brg; - else - temp |= (brg << 8); - - GT_REG_WRITE_MIRROR_G(GALMPSC_RxC_ROUTE,temp); - - return 0; -} - -static int -galmpsc_route_tx_clock(int channel, int brg) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR_G(GALMPSC_TxC_ROUTE); - - if (channel == 0) - temp |= brg; - else - temp |= (brg << 8); - - GT_REG_WRITE_MIRROR_G(GALMPSC_TxC_ROUTE,temp); - - return 0; -} - -static int -galmpsc_write_config_regs(int mpsc, int mode) -{ - if (mode == GALMPSC_UART) { - /* Main config reg Low (Null modem, Enable Tx/Rx, UART mode) */ - GT_REG_WRITE(GALMPSC_MCONF_LOW + (mpsc*GALMPSC_REG_GAP), - 0x000004c4); - - /* Main config reg High (32x Rx/Tx clock mode, width=8bits */ - GT_REG_WRITE(GALMPSC_MCONF_HIGH +(mpsc*GALMPSC_REG_GAP), - 0x024003f8); - /* 22 2222 1111 */ - /* 54 3210 9876 */ - /* 0000 0010 0000 0000 */ - /* 1 */ - /* 098 7654 3210 */ - /* 0000 0011 1111 1000 */ - } else - return -1; - - return 0; -} - -static int -galmpsc_config_channel_regs(int mpsc) -{ - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_1,mpsc,GALMPSC_REG_GAP, 0); - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP, 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_3+(mpsc*GALMPSC_REG_GAP), 1); - GT_REG_WRITE(GALMPSC_CHANNELREG_4+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_5+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_6+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_7+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_8+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_9+(mpsc*GALMPSC_REG_GAP), 0); - GT_REG_WRITE(GALMPSC_CHANNELREG_10+(mpsc*GALMPSC_REG_GAP), 0); - - galmpsc_set_brkcnt(mpsc, 0x3); - galmpsc_set_tcschar(mpsc, 0xab); - - return 0; -} - -static int -galmpsc_set_brkcnt(int mpsc, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_CHANNELREG_1,mpsc,GALMPSC_REG_GAP); - temp &= 0x0000FFFF; - temp |= (value << 16); - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_1,mpsc,GALMPSC_REG_GAP, temp); - - return 0; -} - -static int -galmpsc_set_tcschar(int mpsc, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_CHANNELREG_1,mpsc,GALMPSC_REG_GAP); - temp &= 0xFFFF0000; - temp |= value; - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_1,mpsc,GALMPSC_REG_GAP, temp); - - return 0; -} - -static int -galmpsc_set_char_length(int mpsc, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_PROTOCONF_REG,mpsc,GALMPSC_REG_GAP); - temp &= 0xFFFFCFFF; - temp |= (value << 12); - GT_REG_WRITE_MIRROR(GALMPSC_PROTOCONF_REG,mpsc,GALMPSC_REG_GAP, temp); - - return 0; -} - -static int -galmpsc_set_stop_bit_length(int mpsc, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_PROTOCONF_REG,mpsc,GALMPSC_REG_GAP); - temp |= (value << 14); - GT_REG_WRITE_MIRROR(GALMPSC_PROTOCONF_REG,mpsc,GALMPSC_REG_GAP,temp); - - return 0; -} - -static int -galmpsc_set_parity(int mpsc, int value) -{ - unsigned int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP); - if (value != -1) { - temp &= 0xFFF3FFF3; - temp |= ((value << 18) | (value << 2)); - temp |= ((value << 17) | (value << 1)); - } else { - temp &= 0xFFF1FFF1; - } - - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP, temp); - - return 0; -} - -static int -galmpsc_enter_hunt(int mpsc) -{ - int temp; - - temp = GTREGREAD_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP); - temp |= 0x80000000; - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP, temp); - - /* Should Poll on Enter Hunt bit, but the register is write-only */ - /* errata suggests pausing 100 system cycles */ - udelay(100); - - return 0; -} - - -static int -galmpsc_shutdown(int mpsc) -{ -#if 0 - unsigned int temp; - - /* cause RX abort (clears RX) */ - temp = GTREGREAD_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP); - temp |= MPSC_RX_ABORT | MPSC_TX_ABORT; - temp &= ~MPSC_ENTER_HUNT; - GT_REG_WRITE_MIRROR(GALMPSC_CHANNELREG_2,mpsc,GALMPSC_REG_GAP,temp); -#endif - - GT_REG_WRITE(GALSDMA_0_COM_REG + CHANNEL * GALSDMA_REG_DIFF, 0); - GT_REG_WRITE(GALSDMA_0_COM_REG + CHANNEL * GALSDMA_REG_DIFF, - SDMA_TX_ABORT | SDMA_RX_ABORT); - - /* shut down the MPSC */ - GT_REG_WRITE(GALMPSC_MCONF_LOW, 0); - GT_REG_WRITE(GALMPSC_MCONF_HIGH, 0); - GT_REG_WRITE_MIRROR(GALMPSC_PROTOCONF_REG, mpsc, GALMPSC_REG_GAP,0); - - udelay(100); - - /* shut down the sdma engines. */ - /* reset config to default */ - GT_REG_WRITE(GALSDMA_0_CONF_REG + CHANNEL * GALSDMA_REG_DIFF, - 0x000000fc); - - udelay(100); - - /* clear the SDMA current and first TX and RX pointers */ - GT_REG_WRITE(GALSDMA_0_CUR_RX_PTR + CHANNEL * GALSDMA_REG_DIFF, 0); - GT_REG_WRITE(GALSDMA_0_CUR_TX_PTR + CHANNEL * GALSDMA_REG_DIFF, 0); - GT_REG_WRITE(GALSDMA_0_FIR_TX_PTR + CHANNEL * GALSDMA_REG_DIFF, 0); - - udelay(100); - - return 0; -} - -static void -galsdma_enable_rx(void) -{ - int temp; - - /* Enable RX processing */ - temp = GTREGREAD(GALSDMA_0_COM_REG+(CHANNEL*GALSDMA_REG_DIFF)); - temp |= RX_ENABLE; - GT_REG_WRITE(GALSDMA_0_COM_REG+(CHANNEL*GALSDMA_REG_DIFF), temp); - - galmpsc_enter_hunt(CHANNEL); -} - -static int -galmpsc_set_snoop(int mpsc, int value) -{ - int reg = mpsc ? MPSC_1_ADDRESS_CONTROL_LOW : MPSC_0_ADDRESS_CONTROL_LOW; - int temp=GTREGREAD(reg); - if(value) - temp |= (1<< 6) | (1<<14) | (1<<22) | (1<<30); - else - temp &= ~((1<< 6) | (1<<14) | (1<<22) | (1<<30)); - GT_REG_WRITE(reg, temp); - return 0; -} diff --git a/board/evb64260/mpsc.h b/board/evb64260/mpsc.h deleted file mode 100644 index 0747477..0000000 --- a/board/evb64260/mpsc.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * (C) Copyright 2001 - * John Clemens <clemens@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * mpsc.h - header file for MPSC in uart mode (console driver) - */ - -#ifndef __MPSC_H__ -#define __MPSC_H__ - -/* include actual Galileo defines */ -#include <galileo/gt64260R.h> - -/* driver related defines */ - -int mpsc_init(int baud); -void mpsc_init2(void); -char mpsc_getchar(void); -int mpsc_test_char(void); -int galbrg_set_baudrate(int channel, int rate); - -int mpsc_putchar_early(char ch); -extern int (*mpsc_putchar)(char ch); - -#define CHANNEL CONFIG_MPSC_PORT - -#define TX_DESC 5 -#define RX_DESC 20 - -#define DESC_FIRST 0x00010000 -#define DESC_LAST 0x00020000 -#define DESC_OWNER 0x80000000 - -#define TX_DEMAND 0x00800000 -#define TX_STOP 0x00010000 -#define RX_ENABLE 0x00000080 - -#define SDMA_RX_ABORT (1 << 15) -#define SDMA_TX_ABORT (1 << 31) -#define MPSC_TX_ABORT (1 << 7) -#define MPSC_RX_ABORT (1 << 23) -#define MPSC_ENTER_HUNT (1 << 31) - -/* MPSC defines */ - -#define GALMPSC_CONNECT 0x1 -#define GALMPSC_DISCONNECT 0x0 - -#define GALMPSC_UART 0x1 - -#define GALMPSC_STOP_BITS_1 0x0 -#define GALMPSC_STOP_BITS_2 0x1 -#define GALMPSC_CHAR_LENGTH_8 0x3 -#define GALMPSC_CHAR_LENGTH_7 0x2 - -#define GALMPSC_PARITY_ODD 0x0 -#define GALMPSC_PARITY_EVEN 0x2 -#define GALMPSC_PARITY_MARK 0x3 -#define GALMPSC_PARITY_SPACE 0x1 -#define GALMPSC_PARITY_NONE -1 - -#define GALMPSC_SERIAL_MULTIPLEX SERIAL_PORT_MULTIPLEX /* 0xf010 */ -#define GALMPSC_ROUTING_REGISTER MAIN_ROUTING_REGISTER /* 0xb400 */ -#define GALMPSC_RxC_ROUTE RECEIVE_CLOCK_ROUTING_REGISTER /* 0xb404 */ -#define GALMPSC_TxC_ROUTE TRANSMIT_CLOCK_ROUTING_REGISTER /* 0xb408 */ -#define GALMPSC_MCONF_LOW MPSC0_MAIN_CONFIGURATION_LOW /* 0x8000 */ -#define GALMPSC_MCONF_HIGH MPSC0_MAIN_CONFIGURATION_HIGH /* 0x8004 */ -#define GALMPSC_PROTOCONF_REG MPSC0_PROTOCOL_CONFIGURATION /* 0x8008 */ - -#define GALMPSC_REG_GAP 0x1000 - -#define GALMPSC_MCONF_CHREG_BASE CHANNEL0_REGISTER1 /* 0x800c */ -#define GALMPSC_CHANNELREG_1 CHANNEL0_REGISTER1 /* 0x800c */ -#define GALMPSC_CHANNELREG_2 CHANNEL0_REGISTER2 /* 0x8010 */ -#define GALMPSC_CHANNELREG_3 CHANNEL0_REGISTER3 /* 0x8014 */ -#define GALMPSC_CHANNELREG_4 CHANNEL0_REGISTER4 /* 0x8018 */ -#define GALMPSC_CHANNELREG_5 CHANNEL0_REGISTER5 /* 0x801c */ -#define GALMPSC_CHANNELREG_6 CHANNEL0_REGISTER6 /* 0x8020 */ -#define GALMPSC_CHANNELREG_7 CHANNEL0_REGISTER7 /* 0x8024 */ -#define GALMPSC_CHANNELREG_8 CHANNEL0_REGISTER8 /* 0x8028 */ -#define GALMPSC_CHANNELREG_9 CHANNEL0_REGISTER9 /* 0x802c */ -#define GALMPSC_CHANNELREG_10 CHANNEL0_REGISTER10 /* 0x8030 */ -#define GALMPSC_CHANNELREG_11 CHANNEL0_REGISTER11 /* 0x8034 */ - -#define GALSDMA_COMMAND_FIRST (1 << 16) -#define GALSDMA_COMMAND_LAST (1 << 17) -#define GALSDMA_COMMAND_ENABLEINT (1 << 23) -#define GALSDMA_COMMAND_AUTO (1 << 30) -#define GALSDMA_COMMAND_OWNER (1 << 31) - -#define GALSDMA_RX 0 -#define GALSDMA_TX 1 - -/* CHANNEL2 should be CHANNEL1, according to documentation, - * but to work with the current GTREGS file... - */ -#define GALSDMA_0_CONF_REG CHANNEL0_CONFIGURATION_REGISTER /* 0x4000 */ -#define GALSDMA_1_CONF_REG CHANNEL2_CONFIGURATION_REGISTER /* 0x6000 */ -#define GALSDMA_0_COM_REG CHANNEL0_COMMAND_REGISTER /* 0x4008 */ -#define GALSDMA_1_COM_REG CHANNEL2_COMMAND_REGISTER /* 0x6008 */ -#define GALSDMA_0_CUR_RX_PTR CHANNEL0_CURRENT_RX_DESCRIPTOR_POINTER /* 0x4810 */ -#define GALSDMA_0_CUR_TX_PTR CHANNEL0_CURRENT_TX_DESCRIPTOR_POINTER /* 0x4c10 */ -#define GALSDMA_0_FIR_TX_PTR CHANNEL0_FIRST_TX_DESCRIPTOR_POINTER /* 0x4c14 */ -#define GALSDMA_1_CUR_RX_PTR CHANNEL2_CURRENT_RX_DESCRIPTOR_POINTER /* 0x6810 */ -#define GALSDMA_1_CUR_TX_PTR CHANNEL2_CURRENT_TX_DESCRIPTOR_POINTER /* 0x6c10 */ -#define GALSDMA_1_FIR_TX_PTR CHANNEL2_FIRST_TX_DESCRIPTOR_POINTER /* 0x6c14 */ -#define GALSDMA_REG_DIFF 0x2000 - -/* WRONG in gt64260R.h */ -#define GALSDMA_INT_CAUSE 0xb800 /* SDMA_CAUSE */ -#define GALSDMA_INT_MASK 0xb880 /* SDMA_MASK */ - -#define GALSDMA_MODE_UART 0 -#define GALSDMA_MODE_BISYNC 1 -#define GALSDMA_MODE_HDLC 2 -#define GALSDMA_MODE_TRANSPARENT 3 - -#define GALBRG_0_CONFREG BRG0_CONFIGURATION_REGISTER /* 0xb200 */ -#define GALBRG_REG_GAP 0x0008 -#define GALBRG_0_BTREG BRG0_BAUDE_TUNING_REGISTER /* 0xb204 */ - -#endif /* __MPSC_H__ */ diff --git a/board/evb64260/pci.c b/board/evb64260/pci.c deleted file mode 100644 index 582f24c..0000000 --- a/board/evb64260/pci.c +++ /dev/null @@ -1,760 +0,0 @@ -/* PCI.c - PCI functions */ - -/* Copyright - Galileo technology. */ - -#include <common.h> -#include <pci.h> - -#include <galileo/pci.h> - -static const unsigned char pci_irq_swizzle[2][PCI_MAX_DEVICES] = { -#ifdef CONFIG_ZUMA_V2 - {0, 0, 0, 0, 0, 0, 0, 29,[8 ... PCI_MAX_DEVICES - 1] = 0}, - {0, 0, 0, 0, 0, 0, 0, 28,[8 ... PCI_MAX_DEVICES - 1] = 0} -#else /* EVB??? This is a guess */ - {0, 0, 0, 0, 0, 0, 0, 27, 27,[9 ... PCI_MAX_DEVICES - 1] = 0}, - {0, 0, 0, 0, 0, 0, 0, 29, 29,[9 ... PCI_MAX_DEVICES - 1] = 0} -#endif -}; - -static const unsigned int pci_p2p_configuration_reg[] = { - PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION -}; - -static const unsigned int pci_configuration_address[] = { - PCI_0CONFIGURATION_ADDRESS, PCI_1CONFIGURATION_ADDRESS -}; - -static const unsigned int pci_configuration_data[] = { - PCI_0CONFIGURATION_DATA_VIRTUAL_REGISTER, - PCI_1CONFIGURATION_DATA_VIRTUAL_REGISTER -}; - -static const unsigned int pci_error_cause_reg[] = { - PCI_0ERROR_CAUSE, PCI_1ERROR_CAUSE -}; - -static const unsigned int pci_arbiter_control[] = { - PCI_0ARBITER_CONTROL, PCI_1ARBITER_CONTROL -}; - -static const unsigned int pci_snoop_control_base_0_low[] = { - PCI_0SNOOP_CONTROL_BASE_0_LOW, PCI_1SNOOP_CONTROL_BASE_0_LOW -}; -static const unsigned int pci_snoop_control_top_0[] = { - PCI_0SNOOP_CONTROL_TOP_0, PCI_1SNOOP_CONTROL_TOP_0 -}; - -static const unsigned int pci_access_control_base_0_low[] = { - PCI_0ACCESS_CONTROL_BASE_0_LOW, PCI_1ACCESS_CONTROL_BASE_0_LOW -}; -static const unsigned int pci_access_control_top_0[] = { - PCI_0ACCESS_CONTROL_TOP_0, PCI_1ACCESS_CONTROL_TOP_0 -}; - -static const unsigned int pci_scs_bank_size[2][4] = { - {PCI_0SCS_0_BANK_SIZE, PCI_0SCS_1_BANK_SIZE, - PCI_0SCS_2_BANK_SIZE, PCI_0SCS_3_BANK_SIZE}, - {PCI_1SCS_0_BANK_SIZE, PCI_1SCS_1_BANK_SIZE, - PCI_1SCS_2_BANK_SIZE, PCI_1SCS_3_BANK_SIZE} -}; - -static const unsigned int pci_p2p_configuration[] = { - PCI_0P2P_CONFIGURATION, PCI_1P2P_CONFIGURATION -}; - -static unsigned int local_buses[] = { 0, 0 }; - -/******************************************************************** -* pciWriteConfigReg - Write to a PCI configuration register -* - Make sure the GT is configured as a master before writing -* to another device on the PCI. -* - The function takes care of Big/Little endian conversion. -* -* -* Inputs: unsigned int regOffset: The register offset as it apears in the GT spec -* (or any other PCI device spec) -* pciDevNum: The device number needs to be addressed. -* -* Configuration Address 0xCF8: -* -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number -* |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name -* -*********************************************************************/ -void pciWriteConfigReg (PCI_HOST host, unsigned int regOffset, - unsigned int pciDevNum, unsigned int data) -{ - volatile unsigned int DataForAddrReg; - unsigned int functionNum; - unsigned int busNum = PCI_BUS (pciDevNum); - unsigned int addr; - - if (pciDevNum > 32) /* illegal device Number */ - return; - if (pciDevNum == SELF) { /* configure our configuration space. */ - pciDevNum = - (GTREGREAD (pci_p2p_configuration_reg[host]) >> 24) & - 0x1f; - busNum = GTREGREAD (pci_p2p_configuration_reg[host]) & - 0xff0000; - } - functionNum = regOffset & 0x00000700; - pciDevNum = pciDevNum << 11; - regOffset = regOffset & 0xfc; - DataForAddrReg = - (regOffset | pciDevNum | functionNum | busNum) | BIT31; - GT_REG_WRITE (pci_configuration_address[host], DataForAddrReg); - GT_REG_READ (pci_configuration_address[host], &addr); - if (addr != DataForAddrReg) - return; - GT_REG_WRITE (pci_configuration_data[host], data); -} - -/******************************************************************** -* pciReadConfigReg - Read from a PCI0 configuration register -* - Make sure the GT is configured as a master before reading -* from another device on the PCI. -* - The function takes care of Big/Little endian conversion. -* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec) -* pciDevNum: The device number needs to be addressed. -* RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid -* -* Configuration Address 0xCF8: -* -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number -* |congif|Reserved| Bus |Device|Function|Register|00| -* |Enable| |Number|Number| Number | Number | | <=field Name -* -*********************************************************************/ -unsigned int pciReadConfigReg (PCI_HOST host, unsigned int regOffset, - unsigned int pciDevNum) -{ - volatile unsigned int DataForAddrReg; - unsigned int data; - unsigned int functionNum; - unsigned int busNum = PCI_BUS (pciDevNum); - - if (pciDevNum > 32) /* illegal device Number */ - return 0xffffffff; - if (pciDevNum == SELF) { /* configure our configuration space. */ - pciDevNum = - (GTREGREAD (pci_p2p_configuration_reg[host]) >> 24) & - 0x1f; - busNum = GTREGREAD (pci_p2p_configuration_reg[host]) & - 0xff0000; - } - functionNum = regOffset & 0x00000700; - pciDevNum = pciDevNum << 11; - regOffset = regOffset & 0xfc; - DataForAddrReg = - (regOffset | pciDevNum | functionNum | busNum) | BIT31; - GT_REG_WRITE (pci_configuration_address[host], DataForAddrReg); - GT_REG_READ (pci_configuration_address[host], &data); - if (data != DataForAddrReg) - return 0xffffffff; - GT_REG_READ (pci_configuration_data[host], &data); - return data; -} - -/******************************************************************** -* pciOverBridgeWriteConfigReg - Write to a PCI configuration register where -* the agent is placed on another Bus. For more -* information read P2P in the PCI spec. -* -* Inputs: unsigned int regOffset - The register offset as it apears in the -* GT spec (or any other PCI device spec). -* unsigned int pciDevNum - The device number needs to be addressed. -* unsigned int busNum - On which bus does the Target agent connect -* to. -* unsigned int data - data to be written. -* -* Configuration Address 0xCF8: -* -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number -* |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name -* -* The configuration Address is configure as type-I (bits[1:0] = '01') due to -* PCI spec referring to P2P. -* -*********************************************************************/ -void pciOverBridgeWriteConfigReg (PCI_HOST host, - unsigned int regOffset, - unsigned int pciDevNum, - unsigned int busNum, unsigned int data) -{ - unsigned int DataForReg; - unsigned int functionNum; - - functionNum = regOffset & 0x00000700; - pciDevNum = pciDevNum << 11; - regOffset = regOffset & 0xff; - busNum = busNum << 16; - if (pciDevNum == SELF) { /* This board */ - DataForReg = (regOffset | pciDevNum | functionNum) | BIT0; - } else { - DataForReg = (regOffset | pciDevNum | functionNum | busNum) | - BIT31 | BIT0; - } - GT_REG_WRITE (pci_configuration_address[host], DataForReg); - if (pciDevNum == SELF) { /* This board */ - GT_REG_WRITE (pci_configuration_data[host], data); - } else { /* configuration Transaction over the pci. */ - - /* The PCI is working in LE Mode So it swap the Data. */ - GT_REG_WRITE (pci_configuration_data[host], WORD_SWAP (data)); - } -} - - -/******************************************************************** -* pciOverBridgeReadConfigReg - Read from a PCIn configuration register where -* the agent target locate on another PCI bus. -* - Make sure the GT is configured as a master -* before reading from another device on the PCI. -* - The function takes care of Big/Little endian -* conversion. -* INPUTS: regOffset: The register offset as it apears in the GT spec (or PCI -* spec). (configuration register offset.) -* pciDevNum: The device number needs to be addressed. -* busNum: the Bus number where the agent is place. -* RETURNS: data , if the data == 0xffffffff check the master abort bit in the -* cause register to make sure the data is valid -* -* Configuration Address 0xCF8: -* -* 31 30 24 23 16 15 11 10 8 7 2 0 <=bit Number -* |congif|Reserved| Bus |Device|Function|Register|01| -* |Enable| |Number|Number| Number | Number | | <=field Name -* -*********************************************************************/ -unsigned int pciOverBridgeReadConfigReg (PCI_HOST host, - unsigned int regOffset, - unsigned int pciDevNum, - unsigned int busNum) -{ - unsigned int DataForReg; - unsigned int data; - unsigned int functionNum; - - functionNum = regOffset & 0x00000700; - pciDevNum = pciDevNum << 11; - regOffset = regOffset & 0xff; - busNum = busNum << 16; - if (pciDevNum == SELF) { /* This board */ - DataForReg = (regOffset | pciDevNum | functionNum) | BIT31; - } else { /* agent on another bus */ - - DataForReg = (regOffset | pciDevNum | functionNum | busNum) | - BIT0 | BIT31; - } - GT_REG_WRITE (pci_configuration_address[host], DataForReg); - if (pciDevNum == SELF) { /* This board */ - GT_REG_READ (pci_configuration_data[host], &data); - return data; - } else { /* The PCI is working in LE Mode So it swap the Data. */ - - GT_REG_READ (pci_configuration_data[host], &data); - return WORD_SWAP (data); - } -} - -/******************************************************************** -* pciGetRegOffset - Gets the register offset for this region config. -* -* INPUT: Bus, Region - The bus and region we ask for its base address. -* OUTPUT: N/A -* RETURNS: PCI register base address -*********************************************************************/ -static unsigned int pciGetRegOffset (PCI_HOST host, PCI_REGION region) -{ - switch (host) { - case PCI_HOST0: - switch (region) { - case PCI_IO: - return PCI_0I_O_LOW_DECODE_ADDRESS; - case PCI_REGION0: - return PCI_0MEMORY0_LOW_DECODE_ADDRESS; - case PCI_REGION1: - return PCI_0MEMORY1_LOW_DECODE_ADDRESS; - case PCI_REGION2: - return PCI_0MEMORY2_LOW_DECODE_ADDRESS; - case PCI_REGION3: - return PCI_0MEMORY3_LOW_DECODE_ADDRESS; - } - case PCI_HOST1: - switch (region) { - case PCI_IO: - return PCI_1I_O_LOW_DECODE_ADDRESS; - case PCI_REGION0: - return PCI_1MEMORY0_LOW_DECODE_ADDRESS; - case PCI_REGION1: - return PCI_1MEMORY1_LOW_DECODE_ADDRESS; - case PCI_REGION2: - return PCI_1MEMORY2_LOW_DECODE_ADDRESS; - case PCI_REGION3: - return PCI_1MEMORY3_LOW_DECODE_ADDRESS; - } - } - return PCI_0MEMORY0_LOW_DECODE_ADDRESS; -} - -static unsigned int pciGetRemapOffset (PCI_HOST host, PCI_REGION region) -{ - switch (host) { - case PCI_HOST0: - switch (region) { - case PCI_IO: - return PCI_0I_O_ADDRESS_REMAP; - case PCI_REGION0: - return PCI_0MEMORY0_ADDRESS_REMAP; - case PCI_REGION1: - return PCI_0MEMORY1_ADDRESS_REMAP; - case PCI_REGION2: - return PCI_0MEMORY2_ADDRESS_REMAP; - case PCI_REGION3: - return PCI_0MEMORY3_ADDRESS_REMAP; - } - case PCI_HOST1: - switch (region) { - case PCI_IO: - return PCI_1I_O_ADDRESS_REMAP; - case PCI_REGION0: - return PCI_1MEMORY0_ADDRESS_REMAP; - case PCI_REGION1: - return PCI_1MEMORY1_ADDRESS_REMAP; - case PCI_REGION2: - return PCI_1MEMORY2_ADDRESS_REMAP; - case PCI_REGION3: - return PCI_1MEMORY3_ADDRESS_REMAP; - } - } - return PCI_0MEMORY0_ADDRESS_REMAP; -} - -bool pciMapSpace (PCI_HOST host, PCI_REGION region, unsigned int remapBase, - unsigned int bankBase, unsigned int bankLength) -{ - unsigned int low = 0xfff; - unsigned int high = 0x0; - unsigned int regOffset = pciGetRegOffset (host, region); - unsigned int remapOffset = pciGetRemapOffset (host, region); - - if (bankLength != 0) { - low = (bankBase >> 20) & 0xfff; - high = ((bankBase + bankLength) >> 20) - 1; - } - - GT_REG_WRITE (regOffset, low | (1 << 24)); /* no swapping */ - GT_REG_WRITE (regOffset + 8, high); - - if (bankLength != 0) { /* must do AFTER writing maps */ - GT_REG_WRITE (remapOffset, remapBase >> 20); /* sorry, 32 bits only. - dont support upper 32 - in this driver */ - } - return true; -} - -unsigned int pciGetSpaceBase (PCI_HOST host, PCI_REGION region) -{ - unsigned int low; - unsigned int regOffset = pciGetRegOffset (host, region); - - GT_REG_READ (regOffset, &low); - return (low & 0xfff) << 20; -} - -unsigned int pciGetSpaceSize (PCI_HOST host, PCI_REGION region) -{ - unsigned int low, high; - unsigned int regOffset = pciGetRegOffset (host, region); - - GT_REG_READ (regOffset, &low); - GT_REG_READ (regOffset + 8, &high); - high &= 0xfff; - low &= 0xfff; - if (high <= low) - return 0; - return (high + 1 - low) << 20; -} - -/******************************************************************** -* pciMapMemoryBank - Maps PCI_host memory bank "bank" for the slave. -* -* Inputs: base and size of PCI SCS -*********************************************************************/ -void pciMapMemoryBank (PCI_HOST host, MEMORY_BANK bank, - unsigned int pciDramBase, unsigned int pciDramSize) -{ - pciDramBase = pciDramBase & 0xfffff000; - pciDramBase = pciDramBase | (pciReadConfigReg (host, - PCI_SCS_0_BASE_ADDRESS - + 4 * bank, - SELF) & 0x00000fff); - pciWriteConfigReg (host, PCI_SCS_0_BASE_ADDRESS + 4 * bank, SELF, - pciDramBase); - if (pciDramSize == 0) - pciDramSize++; - GT_REG_WRITE (pci_scs_bank_size[host][bank], pciDramSize - 1); -} - - -/******************************************************************** -* pciSetRegionFeatures - This function modifys one of the 8 regions with -* feature bits given as an input. -* - Be advised to check the spec before modifying them. -* Inputs: PCI_PROTECT_REGION region - one of the eight regions. -* unsigned int features - See file: pci.h there are defintion for those -* region features. -* unsigned int baseAddress - The region base Address. -* unsigned int topAddress - The region top Address. -* Returns: false if one of the parameters is erroneous true otherwise. -*********************************************************************/ -bool pciSetRegionFeatures (PCI_HOST host, PCI_ACCESS_REGIONS region, - unsigned int features, unsigned int baseAddress, - unsigned int regionLength) -{ - unsigned int accessLow; - unsigned int accessHigh; - unsigned int accessTop = baseAddress + regionLength; - - if (regionLength == 0) { /* close the region. */ - pciDisableAccessRegion (host, region); - return true; - } - /* base Address is store is bits [11:0] */ - accessLow = (baseAddress & 0xfff00000) >> 20; - /* All the features are update according to the defines in pci.h (to be on - the safe side we disable bits: [11:0] */ - accessLow = accessLow | (features & 0xfffff000); - /* write to the Low Access Region register */ - GT_REG_WRITE (pci_access_control_base_0_low[host] + 0x10 * region, - accessLow); - - accessHigh = (accessTop & 0xfff00000) >> 20; - - /* write to the High Access Region register */ - GT_REG_WRITE (pci_access_control_top_0[host] + 0x10 * region, - accessHigh - 1); - return true; -} - -/******************************************************************** -* pciDisableAccessRegion - Disable The given Region by writing MAX size -* to its low Address and MIN size to its high Address. -* -* Inputs: PCI_ACCESS_REGIONS region - The region we to be Disabled. -* Returns: N/A. -*********************************************************************/ -void pciDisableAccessRegion (PCI_HOST host, PCI_ACCESS_REGIONS region) -{ - /* writing back the registers default values. */ - GT_REG_WRITE (pci_access_control_base_0_low[host] + 0x10 * region, - 0x01001fff); - GT_REG_WRITE (pci_access_control_top_0[host] + 0x10 * region, 0); -} - -/******************************************************************** -* pciArbiterEnable - Enables PCI-0`s Arbitration mechanism. -* -* Inputs: N/A -* Returns: true. -*********************************************************************/ -bool pciArbiterEnable (PCI_HOST host) -{ - unsigned int regData; - - GT_REG_READ (pci_arbiter_control[host], ®Data); - GT_REG_WRITE (pci_arbiter_control[host], regData | BIT31); - return true; -} - -/******************************************************************** -* pciArbiterDisable - Disable PCI-0`s Arbitration mechanism. -* -* Inputs: N/A -* Returns: true -*********************************************************************/ -bool pciArbiterDisable (PCI_HOST host) -{ - unsigned int regData; - - GT_REG_READ (pci_arbiter_control[host], ®Data); - GT_REG_WRITE (pci_arbiter_control[host], regData & 0x7fffffff); - return true; -} - -/******************************************************************** -* pciParkingDisable - Park on last option disable, with this function you can -* disable the park on last mechanism for each agent. -* disabling this option for all agents results parking -* on the internal master. -* -* Inputs: PCI_AGENT_PARK internalAgent - parking Disable for internal agent. -* PCI_AGENT_PARK externalAgent0 - parking Disable for external#0 agent. -* PCI_AGENT_PARK externalAgent1 - parking Disable for external#1 agent. -* PCI_AGENT_PARK externalAgent2 - parking Disable for external#2 agent. -* PCI_AGENT_PARK externalAgent3 - parking Disable for external#3 agent. -* PCI_AGENT_PARK externalAgent4 - parking Disable for external#4 agent. -* PCI_AGENT_PARK externalAgent5 - parking Disable for external#5 agent. -* Returns: true -*********************************************************************/ -bool pciParkingDisable (PCI_HOST host, PCI_AGENT_PARK internalAgent, - PCI_AGENT_PARK externalAgent0, - PCI_AGENT_PARK externalAgent1, - PCI_AGENT_PARK externalAgent2, - PCI_AGENT_PARK externalAgent3, - PCI_AGENT_PARK externalAgent4, - PCI_AGENT_PARK externalAgent5) -{ - unsigned int regData; - unsigned int writeData; - - GT_REG_READ (pci_arbiter_control[host], ®Data); - writeData = (internalAgent << 14) + (externalAgent0 << 15) + - (externalAgent1 << 16) + (externalAgent2 << 17) + - (externalAgent3 << 18) + (externalAgent4 << 19) + - (externalAgent5 << 20); - regData = (regData & ~(0x7f << 14)) | writeData; - GT_REG_WRITE (pci_arbiter_control[host], regData); - return true; -} - -/******************************************************************** -* pciSetRegionSnoopMode - This function modifys one of the 4 regions which -* supports Cache Coherency in the PCI_n interface. -* Inputs: region - One of the four regions. -* snoopType - There is four optional Types: -* 1. No Snoop. -* 2. Snoop to WT region. -* 3. Snoop to WB region. -* 4. Snoop & Invalidate to WB region. -* baseAddress - Base Address of this region. -* regionLength - Region length. -* Returns: false if one of the parameters is wrong otherwise return true. -*********************************************************************/ -bool pciSetRegionSnoopMode (PCI_HOST host, PCI_SNOOP_REGION region, - PCI_SNOOP_TYPE snoopType, - unsigned int baseAddress, - unsigned int regionLength) -{ - unsigned int snoopXbaseAddress; - unsigned int snoopXtopAddress; - unsigned int data; - unsigned int snoopHigh = baseAddress + regionLength; - - if ((region > PCI_SNOOP_REGION3) || (snoopType > PCI_SNOOP_WB)) - return false; - snoopXbaseAddress = - pci_snoop_control_base_0_low[host] + 0x10 * region; - snoopXtopAddress = pci_snoop_control_top_0[host] + 0x10 * region; - if (regionLength == 0) { /* closing the region */ - GT_REG_WRITE (snoopXbaseAddress, 0x0000ffff); - GT_REG_WRITE (snoopXtopAddress, 0); - return true; - } - baseAddress = baseAddress & 0xfff00000; /* Granularity of 1MByte */ - data = (baseAddress >> 20) | snoopType << 12; - GT_REG_WRITE (snoopXbaseAddress, data); - snoopHigh = (snoopHigh & 0xfff00000) >> 20; - GT_REG_WRITE (snoopXtopAddress, snoopHigh - 1); - return true; -} - -/* - * - */ - -static int gt_read_config_dword (struct pci_controller *hose, - pci_dev_t dev, int offset, u32 * value) -{ - int bus = PCI_BUS (dev); - - if ((bus == local_buses[0]) || (bus == local_buses[1])) { - *value = pciReadConfigReg ((PCI_HOST) hose->cfg_addr, offset, - PCI_DEV (dev)); - } else { - *value = pciOverBridgeReadConfigReg ((PCI_HOST) hose-> - cfg_addr, offset, - PCI_DEV (dev), bus); - } - return 0; -} - -static int gt_write_config_dword (struct pci_controller *hose, - pci_dev_t dev, int offset, u32 value) -{ - int bus = PCI_BUS (dev); - - if ((bus == local_buses[0]) || (bus == local_buses[1])) { - pciWriteConfigReg ((PCI_HOST) hose->cfg_addr, offset, - PCI_DEV (dev), value); - } else { - pciOverBridgeWriteConfigReg ((PCI_HOST) hose->cfg_addr, - offset, PCI_DEV (dev), value, - bus); - } - return 0; -} - -/* - * - */ - -static void gt_setup_ide (struct pci_controller *hose, - pci_dev_t dev, struct pci_config_table *entry) -{ - static const int ide_bar[] = { 8, 4, 8, 4, 0, 0 }; - u32 bar_response, bar_value; - int bar; - - for (bar = 0; bar < 6; bar++) { - pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4, - 0x0); - pci_read_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4, - &bar_response); - - pciauto_region_allocate (bar_response & - PCI_BASE_ADDRESS_SPACE_IO ? hose-> - pci_io : hose->pci_mem, ide_bar[bar], - &bar_value); - - pci_write_config_dword (dev, PCI_BASE_ADDRESS_0 + bar * 4, - bar_value); - } -} - -#ifndef CONFIG_P3G4 -static void gt_fixup_irq (struct pci_controller *hose, pci_dev_t dev) -{ - unsigned char pin, irq; - - pci_read_config_byte (dev, PCI_INTERRUPT_PIN, &pin); - - if (pin == 1) { /* only allow INT A */ - irq = pci_irq_swizzle[(PCI_HOST) hose-> - cfg_addr][PCI_DEV (dev)]; - if (irq) - pci_write_config_byte (dev, PCI_INTERRUPT_LINE, irq); - } -} -#endif - -struct pci_config_table gt_config_table[] = { - {PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE, - PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, gt_setup_ide}, - - {} -}; - -struct pci_controller pci0_hose = { -#ifndef CONFIG_P3G4 - fixup_irq:gt_fixup_irq, -#endif - config_table:gt_config_table, -}; - -struct pci_controller pci1_hose = { -#ifndef CONFIG_P3G4 - fixup_irq:gt_fixup_irq, -#endif - config_table:gt_config_table, -}; - -void pci_init_board (void) -{ - unsigned int command; - - pci0_hose.first_busno = 0; - pci0_hose.last_busno = 0xff; - local_buses[0] = pci0_hose.first_busno; - /* PCI memory space */ - pci_set_region (pci0_hose.regions + 0, - CONFIG_SYS_PCI0_0_MEM_SPACE, - CONFIG_SYS_PCI0_0_MEM_SPACE, - CONFIG_SYS_PCI0_MEM_SIZE, PCI_REGION_MEM); - - /* PCI I/O space */ - pci_set_region (pci0_hose.regions + 1, - CONFIG_SYS_PCI0_IO_SPACE_PCI, - CONFIG_SYS_PCI0_IO_SPACE, CONFIG_SYS_PCI0_IO_SIZE, PCI_REGION_IO); - - pci_set_ops (&pci0_hose, - pci_hose_read_config_byte_via_dword, - pci_hose_read_config_word_via_dword, - gt_read_config_dword, - pci_hose_write_config_byte_via_dword, - pci_hose_write_config_word_via_dword, - gt_write_config_dword); - - pci0_hose.region_count = 2; - - pci0_hose.cfg_addr = (unsigned int *) PCI_HOST0; - - pci_register_hose (&pci0_hose); - -#ifndef CONFIG_P3G4 - pciArbiterEnable (PCI_HOST0); - pciParkingDisable (PCI_HOST0, 1, 1, 1, 1, 1, 1, 1); -#endif - - command = pciReadConfigReg (PCI_HOST0, PCI_COMMAND, SELF); - command |= PCI_COMMAND_MASTER; - pciWriteConfigReg (PCI_HOST0, PCI_COMMAND, SELF, command); - - pci0_hose.last_busno = pci_hose_scan (&pci0_hose); - - command = pciReadConfigReg (PCI_HOST0, PCI_COMMAND, SELF); - command |= PCI_COMMAND_MEMORY; - pciWriteConfigReg (PCI_HOST0, PCI_COMMAND, SELF, command); - - pci1_hose.first_busno = pci0_hose.last_busno + 1; - pci1_hose.last_busno = 0xff; - pci1_hose.current_busno = pci0_hose.current_busno; - local_buses[1] = pci1_hose.first_busno; - - /* PCI memory space */ - pci_set_region (pci1_hose.regions + 0, - CONFIG_SYS_PCI1_0_MEM_SPACE, - CONFIG_SYS_PCI1_0_MEM_SPACE, - CONFIG_SYS_PCI1_MEM_SIZE, PCI_REGION_MEM); - - /* PCI I/O space */ - pci_set_region (pci1_hose.regions + 1, - CONFIG_SYS_PCI1_IO_SPACE_PCI, - CONFIG_SYS_PCI1_IO_SPACE, CONFIG_SYS_PCI1_IO_SIZE, PCI_REGION_IO); - - pci_set_ops (&pci1_hose, - pci_hose_read_config_byte_via_dword, - pci_hose_read_config_word_via_dword, - gt_read_config_dword, - pci_hose_write_config_byte_via_dword, - pci_hose_write_config_word_via_dword, - gt_write_config_dword); - - pci1_hose.region_count = 2; - - pci1_hose.cfg_addr = (unsigned int *) PCI_HOST1; - - pci_register_hose (&pci1_hose); - -#ifndef CONFIG_P3G4 - pciArbiterEnable (PCI_HOST1); - pciParkingDisable (PCI_HOST1, 1, 1, 1, 1, 1, 1, 1); -#endif - - command = pciReadConfigReg (PCI_HOST1, PCI_COMMAND, SELF); - command |= PCI_COMMAND_MASTER; - pciWriteConfigReg (PCI_HOST1, PCI_COMMAND, SELF, command); - - pci1_hose.last_busno = pci_hose_scan (&pci1_hose); - - command = pciReadConfigReg (PCI_HOST1, PCI_COMMAND, SELF); - command |= PCI_COMMAND_MEMORY; - pciWriteConfigReg (PCI_HOST1, PCI_COMMAND, SELF, command); -} diff --git a/board/evb64260/sdram_init.c b/board/evb64260/sdram_init.c deleted file mode 100644 index 12b1308..0000000 --- a/board/evb64260/sdram_init.c +++ /dev/null @@ -1,650 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* sdram_init.c - automatic memory sizing */ - -#include <common.h> -#include <74xx_7xx.h> -#include <galileo/memory.h> -#include <galileo/pci.h> -#include <galileo/gt64260R.h> -#include <net.h> -#include <linux/compiler.h> - -#include "eth.h" -#include "mpsc.h" -#include "i2c.h" -#include "64260.h" - -DECLARE_GLOBAL_DATA_PTR; - -/* #define DEBUG */ -#define MAP_PCI - -#ifdef DEBUG -#define DP(x) x -#else -#define DP(x) -#endif - -#define GB (1 << 30) - -/* structure to store the relevant information about an sdram bank */ -typedef struct sdram_info { - uchar drb_size; - uchar registered, ecc; - uchar tpar; - uchar tras_clocks; - uchar burst_len; - uchar banks, slot; - int size; /* detected size, not from I2C but from dram_size() */ -} sdram_info_t; - -#ifdef DEBUG -void dump_dimm_info (struct sdram_info *d) -{ - static const char *ecc_legend[] = { "", " Parity", " ECC" }; - - printf ("dimm%s %sDRAM: %dMibytes:\n", - ecc_legend[d->ecc], - d->registered ? "R" : "", (d->size >> 20)); - printf (" drb=%d tpar=%d tras=%d burstlen=%d banks=%d slot=%d\n", - d->drb_size, d->tpar, d->tras_clocks, d->burst_len, - d->banks, d->slot); -} -#endif - -static int -memory_map_bank (unsigned int bankNo, - unsigned int bankBase, unsigned int bankLength) -{ -#ifdef DEBUG - if (bankLength > 0) { - printf ("mapping bank %d at %08x - %08x\n", - bankNo, bankBase, bankBase + bankLength - 1); - } else { - printf ("unmapping bank %d\n", bankNo); - } -#endif - - memoryMapBank (bankNo, bankBase, bankLength); - - return 0; -} - -#ifdef MAP_PCI -static int -memory_map_bank_pci (unsigned int bankNo, - unsigned int bankBase, unsigned int bankLength) -{ - PCI_HOST host; - - for (host = PCI_HOST0; host <= PCI_HOST1; host++) { - const int features = - PREFETCH_ENABLE | - DELAYED_READ_ENABLE | - AGGRESSIVE_PREFETCH | - READ_LINE_AGGRESSIVE_PREFETCH | - READ_MULTI_AGGRESSIVE_PREFETCH | - MAX_BURST_4 | PCI_NO_SWAP; - - pciMapMemoryBank (host, bankNo, bankBase, bankLength); - - pciSetRegionSnoopMode (host, bankNo, PCI_SNOOP_WB, bankBase, - bankLength); - - pciSetRegionFeatures (host, bankNo, features, bankBase, - bankLength); - } - return 0; -} -#endif - -/* ------------------------------------------------------------------------- */ - -/* much of this code is based on (or is) the code in the pip405 port */ -/* thanks go to the authors of said port - Josh */ - - -/* - * translate ns.ns/10 coding of SPD timing values - * into 10 ps unit values - */ -static inline unsigned short NS10to10PS (unsigned char spd_byte) -{ - unsigned short ns, ns10; - - /* isolate upper nibble */ - ns = (spd_byte >> 4) & 0x0F; - /* isolate lower nibble */ - ns10 = (spd_byte & 0x0F); - - return (ns * 100 + ns10 * 10); -} - -/* - * translate ns coding of SPD timing values - * into 10 ps unit values - */ -static inline unsigned short NSto10PS (unsigned char spd_byte) -{ - return (spd_byte * 100); -} - -#ifdef CONFIG_ZUMA_V2 -static int check_dimm (uchar slot, sdram_info_t * info) -{ - /* assume 2 dimms, 2 banks each 256M - we dont have an - * dimm i2c so rely on the detection routines later */ - - memset (info, 0, sizeof (*info)); - - info->slot = slot; - info->banks = 2; /* Detect later */ - info->registered = 0; - info->drb_size = 32; /* 16 - 256MBit, 32 - 512MBit - but doesn't matter, both do same - thing in setup_sdram() */ - info->tpar = 3; - info->tras_clocks = 5; - info->burst_len = 4; -#ifdef CONFIG_ECC - info->ecc = 0; /* Detect later */ -#endif /* CONFIG_ECC */ - return 0; -} - -#elif defined(CONFIG_P3G4) - -static int check_dimm (uchar slot, sdram_info_t * info) -{ - memset (info, 0, sizeof (*info)); - - if (slot) - return 0; - - info->slot = slot; - info->banks = 1; - info->registered = 0; - info->drb_size = 4; - info->tpar = 3; - info->tras_clocks = 6; - info->burst_len = 4; -#ifdef CONFIG_ECC - info->ecc = 2; -#endif - return 0; -} - -#else /* ! CONFIG_ZUMA_V2 && ! CONFIG_P3G4 */ - -/* This code reads the SPD chip on the sdram and populates - * the array which is passed in with the relevant information */ -static int check_dimm (uchar slot, sdram_info_t * info) -{ - uchar addr = slot == 0 ? DIMM0_I2C_ADDR : DIMM1_I2C_ADDR; - int ret; - uchar rows, cols, sdram_banks, supp_cal, width, cal_val; - ulong tmemclk; - uchar trp_clocks, trcd_clocks; - uchar data[128]; - - get_clocks (); - - tmemclk = 1000000000 / (gd->bus_clk / 100); /* in 10 ps units */ - -#ifdef CONFIG_EVB64260_750CX - if (0 != slot) { - printf ("check_dimm: The EVB-64260-750CX only has 1 DIMM,"); - printf (" called with slot=%d insetad!\n", slot); - return 0; - } -#endif - DP (puts ("before i2c read\n")); - - ret = i2c_read (addr, 0, 128, data, 0); - - DP (puts ("after i2c read\n")); - - /* zero all the values */ - memset (info, 0, sizeof (*info)); - - if (ret) { - DP (printf ("No DIMM in slot %d [err = %x]\n", slot, ret)); - return 0; - } - - /* first, do some sanity checks */ - if (data[2] != 0x4) { - printf ("Not SDRAM in slot %d\n", slot); - return 0; - } - - /* get various information */ - rows = data[3]; - cols = data[4]; - info->banks = data[5]; - sdram_banks = data[17]; - width = data[13] & 0x7f; - - DP (printf - ("sdram_banks: %d, banks: %d\n", sdram_banks, info->banks)); - - /* check if the memory is registered */ - if (data[21] & (BIT1 | BIT4)) - info->registered = 1; - -#ifdef CONFIG_ECC - /* check for ECC/parity [0 = none, 1 = parity, 2 = ecc] */ - info->ecc = (data[11] & 2) >> 1; -#endif - - /* bit 1 is CL2, bit 2 is CL3 */ - supp_cal = (data[18] & 0x6) >> 1; - - /* compute the relevant clock values */ - trp_clocks = (NSto10PS (data[27]) + (tmemclk - 1)) / tmemclk; - trcd_clocks = (NSto10PS (data[29]) + (tmemclk - 1)) / tmemclk; - info->tras_clocks = (NSto10PS (data[30]) + (tmemclk - 1)) / tmemclk; - - DP (printf ("trp = %d\ntrcd_clocks = %d\ntras_clocks = %d\n", - trp_clocks, trcd_clocks, info->tras_clocks)); - - /* try a CAS latency of 3 first... */ - cal_val = 0; - if (supp_cal & 3) { - if (NS10to10PS (data[9]) <= tmemclk) - cal_val = 3; - } - - /* then 2... */ - if (supp_cal & 2) { - if (NS10to10PS (data[23]) <= tmemclk) - cal_val = 2; - } - - DP (printf ("cal_val = %d\n", cal_val)); - - /* bummer, did't work... */ - if (cal_val == 0) { - DP (printf ("Couldn't find a good CAS latency\n")); - return 0; - } - - /* get the largest delay -- these values need to all be the same - * see Res#6 */ - info->tpar = cal_val; - if (trp_clocks > info->tpar) - info->tpar = trp_clocks; - if (trcd_clocks > info->tpar) - info->tpar = trcd_clocks; - - DP (printf ("tpar set to: %d\n", info->tpar)); - -#ifdef CONFIG_SYS_BROKEN_CL2 - if (info->tpar == 2) { - info->tpar = 3; - DP (printf ("tpar fixed-up to: %d\n", info->tpar)); - } -#endif - /* compute the module DRB size */ - info->drb_size = - (((1 << (rows + cols)) * sdram_banks) * width) / _16M; - - DP (printf ("drb_size set to: %d\n", info->drb_size)); - - /* find the burst len */ - info->burst_len = data[16] & 0xf; - if ((info->burst_len & 8) == 8) { - info->burst_len = 1; - } else if ((info->burst_len & 4) == 4) { - info->burst_len = 0; - } else { - return 0; - } - - info->slot = slot; - return 0; -} -#endif /* ! CONFIG_ZUMA_V2 */ - -static int setup_sdram_common (sdram_info_t info[2]) -{ - ulong tmp; - int tpar = 2, tras_clocks = 5, registered = 1; - __maybe_unused int ecc = 2; - - if (!info[0].banks && !info[1].banks) - return 0; - - if (info[0].banks) { - if (info[0].tpar > tpar) - tpar = info[0].tpar; - if (info[0].tras_clocks > tras_clocks) - tras_clocks = info[0].tras_clocks; - if (!info[0].registered) - registered = 0; - if (info[0].ecc != 2) - ecc = 0; - } - - if (info[1].banks) { - if (info[1].tpar > tpar) - tpar = info[1].tpar; - if (info[1].tras_clocks > tras_clocks) - tras_clocks = info[1].tras_clocks; - if (!info[1].registered) - registered = 0; - if (info[1].ecc != 2) - ecc = 0; - } - - /* SDRAM configuration */ - tmp = GTREGREAD (SDRAM_CONFIGURATION); - - /* Turn on physical interleave if both DIMMs - * have even numbers of banks. */ - if ((info[0].banks == 0 || info[0].banks == 2) && - (info[1].banks == 0 || info[1].banks == 2)) { - /* physical interleave on */ - tmp &= ~(1 << 15); - } else { - /* physical interleave off */ - tmp |= (1 << 15); - } - - tmp |= (registered << 17); - - /* Use buffer 1 to return read data to the CPU - * See Res #12 */ - tmp |= (1 << 26); - - GT_REG_WRITE (SDRAM_CONFIGURATION, tmp); - DP (printf ("SDRAM config: %08x\n", GTREGREAD (SDRAM_CONFIGURATION))); - - /* SDRAM timing */ - tmp = (((tpar == 3) ? 2 : 1) | - (((tpar == 3) ? 2 : 1) << 2) | - (((tpar == 3) ? 2 : 1) << 4) | (tras_clocks << 8)); - -#ifdef CONFIG_ECC - /* Setup ECC */ - if (ecc == 2) - tmp |= 1 << 13; -#endif /* CONFIG_ECC */ - - GT_REG_WRITE (SDRAM_TIMING, tmp); - DP (printf ("SDRAM timing: %08x (%d,%d,%d,%d)\n", - GTREGREAD (SDRAM_TIMING), tpar, tpar, tpar, tras_clocks)); - - /* SDRAM address decode register */ - /* program this with the default value */ - GT_REG_WRITE (SDRAM_ADDRESS_DECODE, 0x2); - DP (printf ("SDRAM decode: %08x\n", - GTREGREAD (SDRAM_ADDRESS_DECODE))); - - return 0; -} - -/* sets up the GT properly with information passed in */ -static int setup_sdram (sdram_info_t * info) -{ - ulong tmp; - ulong *addr = 0; - __maybe_unused ulong check; - int i; - - /* sanity checking */ - if (!info->banks) - return 0; - - /* ---------------------------- */ - /* Program the GT with the discovered data */ - - /* bank parameters */ - tmp = (0xf << 16); /* leave all virt bank pages open */ - - DP (printf ("drb_size: %d\n", info->drb_size)); - switch (info->drb_size) { - case 1: - tmp |= (1 << 14); - break; - case 4: - case 8: - tmp |= (2 << 14); - break; - case 16: - case 32: - tmp |= (3 << 14); - break; - default: - printf ("Error in dram size calculation\n"); - return 1; - } - - /* SDRAM bank parameters */ - /* the param registers for slot 1 (banks 2+3) are offset by 0x8 */ - GT_REG_WRITE (SDRAM_BANK0PARAMETERS + (info->slot * 0x8), tmp); - GT_REG_WRITE (SDRAM_BANK1PARAMETERS + (info->slot * 0x8), tmp); - DP (printf - ("SDRAM bankparam slot %d (bank %d+%d): %08lx\n", info->slot, - info->slot * 2, (info->slot * 2) + 1, tmp)); - - /* set the SDRAM configuration for each bank */ - for (i = info->slot * 2; i < ((info->slot * 2) + info->banks); i++) { - DP (printf ("*** Running a MRS cycle for bank %d ***\n", i)); - - /* map the bank */ - memory_map_bank (i, 0, GB / 4); - - /* set SDRAM mode */ - GT_REG_WRITE (SDRAM_OPERATION_MODE, 0x3); - check = GTREGREAD (SDRAM_OPERATION_MODE); - - /* dummy write */ - *addr = 0; - - /* wait for the command to complete */ - while ((GTREGREAD (SDRAM_OPERATION_MODE) & (1 << 31)) == 0); - - /* switch back to normal operation mode */ - GT_REG_WRITE (SDRAM_OPERATION_MODE, 0); - check = GTREGREAD (SDRAM_OPERATION_MODE); - - /* unmap the bank */ - memory_map_bank (i, 0, 0); - DP (printf ("*** MRS cycle for bank %d done ***\n", i)); - } - - return 0; -} - -/* - * Check memory range for valid RAM. A simple memory test determines - * the actually available RAM size between addresses `base' and - * `base + maxsize'. Some (not all) hardware errors are detected: - * - short between address lines - * - short between data lines - */ -static long int dram_size (long int *base, long int maxsize) -{ - volatile long int *addr, *b = base; - long int cnt, val, save1, save2; - -#define STARTVAL (1<<20) /* start test at 1M */ - for (cnt = STARTVAL / sizeof (long); cnt < maxsize / sizeof (long); - cnt <<= 1) { - addr = base + cnt; /* pointer arith! */ - - save1 = *addr; /* save contents of addr */ - save2 = *b; /* save contents of base */ - - *addr = cnt; /* write cnt to addr */ - *b = 0; /* put null at base */ - - /* check at base address */ - if ((*b) != 0) { - *addr = save1; /* restore *addr */ - *b = save2; /* restore *b */ - return (0); - } - val = *addr; /* read *addr */ - - *addr = save1; - *b = save2; - - if (val != cnt) { - /* fix boundary condition.. STARTVAL means zero */ - if (cnt == STARTVAL / sizeof (long)) - cnt = 0; - return (cnt * sizeof (long)); - } - } - return maxsize; -} - -/* ------------------------------------------------------------------------- */ - -/* U-Boot interface function to SDRAM init - this is where all the - * controlling logic happens */ -phys_size_t initdram (int board_type) -{ - ulong checkbank[4] = {[0 ... 3] = 0 }; - int bank_no; - ulong total; - int nhr; - sdram_info_t dimm_info[2]; - - - /* first, use the SPD to get info about the SDRAM */ - - /* check the NHR bit and skip mem init if it's already done */ - nhr = get_hid0 () & (1 << 16); - - if (nhr) { - printf ("Skipping SDRAM setup due to NHR bit being set\n"); - } else { - /* DIMM0 */ - check_dimm (0, &dimm_info[0]); - - /* DIMM1 */ -#ifndef CONFIG_EVB64260_750CX /* EVB64260_750CX has only 1 DIMM */ - check_dimm (1, &dimm_info[1]); -#else /* CONFIG_EVB64260_750CX */ - memset (&dimm_info[1], 0, sizeof (sdram_info_t)); -#endif - - /* unmap all banks */ - memory_map_bank (0, 0, 0); - memory_map_bank (1, 0, 0); - memory_map_bank (2, 0, 0); - memory_map_bank (3, 0, 0); - - /* Now, program the GT with the correct values */ - if (setup_sdram_common (dimm_info)) { - printf ("Setup common failed.\n"); - } - - if (setup_sdram (&dimm_info[0])) { - printf ("Setup for DIMM1 failed.\n"); - } - - if (setup_sdram (&dimm_info[1])) { - printf ("Setup for DIMM2 failed.\n"); - } - - /* set the NHR bit */ - set_hid0 (get_hid0 () | (1 << 16)); - } - /* next, size the SDRAM banks */ - - total = 0; - if (dimm_info[0].banks > 0) - checkbank[0] = 1; - if (dimm_info[0].banks > 1) - checkbank[1] = 1; - if (dimm_info[0].banks > 2) - printf ("Error, SPD claims DIMM1 has >2 banks\n"); - - if (dimm_info[1].banks > 0) - checkbank[2] = 1; - if (dimm_info[1].banks > 1) - checkbank[3] = 1; - if (dimm_info[1].banks > 2) - printf ("Error, SPD claims DIMM2 has >2 banks\n"); - - /* Generic dram sizer: works even if we don't have i2c DIMMs, - * as long as the timing settings are more or less correct */ - - /* - * pass 1: size all the banks, using first bat (0-256M) - * limitation: we only support 256M per bank due to - * us only having 1 BAT for all DRAM - */ - for (bank_no = 0; bank_no < CONFIG_SYS_DRAM_BANKS; bank_no++) { - /* skip over banks that are not populated */ - if (!checkbank[bank_no]) - continue; - - DP (printf ("checking bank %d\n", bank_no)); - - memory_map_bank (bank_no, 0, GB / 4); - checkbank[bank_no] = dram_size (NULL, GB / 4); - memory_map_bank (bank_no, 0, 0); - - DP (printf ("bank %d %08lx\n", bank_no, checkbank[bank_no])); - } - - /* - * pass 2: contiguously map each bank into physical address - * space. - */ - dimm_info[0].banks = dimm_info[1].banks = 0; - for (bank_no = 0; bank_no < CONFIG_SYS_DRAM_BANKS; bank_no++) { - if (!checkbank[bank_no]) - continue; - - dimm_info[bank_no / 2].banks++; - dimm_info[bank_no / 2].size += checkbank[bank_no]; - - memory_map_bank (bank_no, total, checkbank[bank_no]); -#ifdef MAP_PCI - memory_map_bank_pci (bank_no, total, checkbank[bank_no]); -#endif - total += checkbank[bank_no]; - } - -#ifdef CONFIG_ECC -#ifdef CONFIG_ZUMA_V2 - /* - * We always enable ECC when bank 2 and 3 are unpopulated - * If we 2 or 3 are populated, we CAN'T support ECC. - * (Zuma boards only support ECC in banks 0 and 1; assume that - * in that configuration, ECC chips are mounted, even for stacked - * chips) - */ - if (checkbank[2] == 0 && checkbank[3] == 0) { - dimm_info[0].ecc = 2; - GT_REG_WRITE (SDRAM_TIMING, - GTREGREAD (SDRAM_TIMING) | (1 << 13)); - /* TODO: do we have to run MRS cycles again? */ - } -#endif /* CONFIG_ZUMA_V2 */ - - if (GTREGREAD (SDRAM_TIMING) & (1 << 13)) { - puts ("[ECC] "); - } -#endif /* CONFIG_ECC */ - -#ifdef DEBUG - dump_dimm_info (&dimm_info[0]); - dump_dimm_info (&dimm_info[1]); -#endif - /* TODO: return at MOST 256M? */ - /* return total > GB/4 ? GB/4 : total; */ - return total; -} diff --git a/board/evb64260/serial.c b/board/evb64260/serial.c deleted file mode 100644 index 83a4217..0000000 --- a/board/evb64260/serial.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * serial.c - serial support for the gal ev board - */ - -/* supports both the 16650 duart and the MPSC */ - -#include <common.h> -#include <command.h> -#include <galileo/memory.h> -#include <serial.h> -#include <linux/compiler.h> - -#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2) -#include <ns16550.h> -#endif - -#include "mpsc.h" - -DECLARE_GLOBAL_DATA_PTR; - -#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2) -const NS16550_t COM_PORTS[] = { (NS16550_t) CONFIG_SYS_NS16550_COM1, - (NS16550_t) CONFIG_SYS_NS16550_COM2 }; -#endif - -#ifdef CONFIG_MPSC - -static int evb64260_serial_init(void) -{ -#if (defined CONFIG_SYS_INIT_CHAN1) || (defined CONFIG_SYS_INIT_CHAN2) - int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate; -#endif - - mpsc_init(gd->baudrate); - - /* init the DUART chans so that KGDB in the kernel can use them */ -#ifdef CONFIG_SYS_INIT_CHAN1 - NS16550_reinit(COM_PORTS[0], clock_divisor); -#endif -#ifdef CONFIG_SYS_INIT_CHAN2 - NS16550_reinit(COM_PORTS[1], clock_divisor); -#endif - return (0); -} - -static void evb64260_serial_putc(const char c) -{ - if (c == '\n') - mpsc_putchar('\r'); - - mpsc_putchar(c); -} - -static int evb64260_serial_getc(void) -{ - return mpsc_getchar(); -} - -static int evb64260_serial_tstc(void) -{ - return mpsc_test_char(); -} - -static void evb64260_serial_setbrg(void) -{ - galbrg_set_baudrate(CONFIG_MPSC_PORT, gd->baudrate); -} - -#else /* ! CONFIG_MPSC */ - -static int evb64260_serial_init(void) -{ - int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate; - -#ifdef CONFIG_SYS_INIT_CHAN1 - (void)NS16550_init(COM_PORTS[0], clock_divisor); -#endif -#ifdef CONFIG_SYS_INIT_CHAN2 - (void)NS16550_init(COM_PORTS[1], clock_divisor); -#endif - - return (0); -} - -static void evb64260_serial_putc(const char c) -{ - if (c == '\n') - NS16550_putc(COM_PORTS[CONFIG_SYS_DUART_CHAN], '\r'); - - NS16550_putc(COM_PORTS[CONFIG_SYS_DUART_CHAN], c); -} - -static int evb64260_serial_getc(void) -{ - return NS16550_getc(COM_PORTS[CONFIG_SYS_DUART_CHAN]); -} - -static int evb64260_serial_tstc(void) -{ - return NS16550_tstc(COM_PORTS[CONFIG_SYS_DUART_CHAN]); -} - -static void evb64260_serial_setbrg(void) -{ - int clock_divisor = CONFIG_SYS_NS16550_CLK / 16 / gd->baudrate; - -#ifdef CONFIG_SYS_INIT_CHAN1 - NS16550_reinit(COM_PORTS[0], clock_divisor); -#endif -#ifdef CONFIG_SYS_INIT_CHAN2 - NS16550_reinit(COM_PORTS[1], clock_divisor); -#endif -} - -#endif /* CONFIG_MPSC */ - -static struct serial_device evb64260_serial_drv = { - .name = "evb64260_serial", - .start = evb64260_serial_init, - .stop = NULL, - .setbrg = evb64260_serial_setbrg, - .putc = evb64260_serial_putc, - .puts = default_serial_puts, - .getc = evb64260_serial_getc, - .tstc = evb64260_serial_tstc, -}; - -void evb64260_serial_initialize(void) -{ - serial_register(&evb64260_serial_drv); -} - -__weak struct serial_device *default_serial_console(void) -{ - return &evb64260_serial_drv; -} - -#if defined(CONFIG_CMD_KGDB) -void -kgdb_serial_init(void) -{ -} - -void -putDebugChar (int c) -{ - serial_putc (c); -} - -void -putDebugStr (const char *str) -{ - serial_puts (str); -} - -int -getDebugChar (void) -{ - return serial_getc(); -} - -void -kgdb_interruptible (int yes) -{ - return; -} -#endif diff --git a/board/evb64260/u-boot.lds b/board/evb64260/u-boot.lds deleted file mode 100644 index 712df6d..0000000 --- a/board/evb64260/u-boot.lds +++ /dev/null @@ -1,86 +0,0 @@ -/* - * (C) Copyright 2001 - * Josh Huber <huber@mclx.com>, Mission Critical Linux, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * u-boot.lds - linker script for U-Boot on the Galileo Eval Board. - */ - -OUTPUT_ARCH(powerpc) - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - .text : - { - arch/powerpc/cpu/74xx_7xx/start.o (.text*) - *(.text*) - - . = DEFINED(env_offset) ? env_offset : .; - common/env_embedded.o (.ppcenv*) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) - } - - /* Read-write section, merged into data segment: */ - . = (. + 0x00FF) & 0xFFFFFF00; - _erotext = .; - PROVIDE (erotext = .); - .reloc : - { - _GOT2_TABLE_ = .; - KEEP(*(.got2)) - KEEP(*(.got)) - PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); - _FIXUP_TABLE_ = .; - KEEP(*(.fixup)) - } - __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data*) - *(.sdata*) - } - _edata = .; - PROVIDE (edata = .); - - . = .; - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - - . = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(256); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(256); - __init_end = .; - - __bss_start = .; - .bss (NOLOAD) : - { - *(.bss*) - *(.sbss*) - *(COMMON) - . = ALIGN(4); - } - __bss_end = . ; - PROVIDE (end = .); -} diff --git a/board/evb64260/zuma_pbb.c b/board/evb64260/zuma_pbb.c deleted file mode 100644 index aa15fa0..0000000 --- a/board/evb64260/zuma_pbb.c +++ /dev/null @@ -1,220 +0,0 @@ -#include <common.h> -#include <malloc.h> - -#if defined(CONFIG_CMD_BSP) -#include <command.h> -#endif - -#include <pci.h> -#include <galileo/pci.h> -#include "zuma_pbb.h" - -#undef DEBUG - -#define PAT_LO 0x00010203 -#define PAT_HI 0x04050607 - -static PBB_DMA_REG_MAP *zuma_pbb_reg = NULL; -static char test_buf1[2048]; -static char test_buf2[2048]; -void zuma_init_pbb(void); -int zuma_mbox_init(void); -int zuma_test_dma(int cmd, int size); - -int zuma_test_dma (int cmd, int size) -{ - static const char *const test_legend[] = { - "write", "verify", - "copy", "compare", - "write inc", "verify inc" - }; - register int i, j; - unsigned int p1 = ((unsigned int) test_buf1 + 0xff) & (~0xff); - unsigned int p2 = ((unsigned int) test_buf2 + 0xff) & (~0xff); - volatile unsigned int *ps = (unsigned int *) p1; - volatile unsigned int *pd = (unsigned int *) p2; - unsigned int funct, pat_lo = PAT_LO, pat_hi = PAT_HI; - DMA_INT_STATUS stat; - int ret = 0; - - if (!zuma_pbb_reg) { - printf ("not initted\n"); - return -1; - } - - if (cmd < 0 || cmd > 5) { - printf ("inv cmd %d\n", cmd); - return -1; - } - - if (cmd == 2 || cmd == 3) { - /* not implemented */ - return 0; - } - - if (size <= 0 || size > 1024) - size = 1024; - - size &= (~7); /* throw away bottom 3 bits */ - - p1 = ((unsigned int) test_buf1 + 0xff) & (~0xff); - p2 = ((unsigned int) test_buf2 + 0xff) & (~0xff); - - memset ((void *) p1, 0, size); - memset ((void *) p2, 0, size); - - for (i = 0; i < size / 4; i += 2) { - ps[i] = pat_lo; - ps[i + 1] = pat_hi; - if (cmd == 4 || cmd == 5) { - unsigned char *pl = (unsigned char *) &pat_lo; - unsigned char *ph = (unsigned char *) &pat_hi; - - for (j = 0; j < 4; j++) { - pl[j] += 8; - ph[j] += 8; - } - } - } - - funct = (1 << 31) | (cmd << 24) | (size); - - zuma_pbb_reg->int_mask.pci_bits.chan0 = - EOF_RX_FLAG | EOF_TX_FLAG | EOB_TX_FLAG; - - zuma_pbb_reg->debug_57 = PAT_LO; /* patl */ - zuma_pbb_reg->debug_58 = PAT_HI; /* path */ - - zuma_pbb_reg->debug_54 = cpu_to_le32 (p1); /* src 0x01b0 */ - zuma_pbb_reg->debug_55 = cpu_to_le32 (p2); /* dst 0x01b8 */ - zuma_pbb_reg->debug_56 = cpu_to_le32 (funct); /* func, 0x01c0 */ - - /* give DMA time to chew on things.. dont use DRAM or PCI */ - /* if you can avoid it. */ - do { - for (i = 0; i < 1000 * 10; i++); - } while (le32_to_cpu (zuma_pbb_reg->debug_56) & (1 << 31)); - - stat.word = zuma_pbb_reg->status.word; - zuma_pbb_reg->int_mask.word = 0; - - printf ("stat: %08x (%x)\n", stat.word, stat.pci_bits.chan0); - - printf ("func: %08x\n", le32_to_cpu (zuma_pbb_reg->debug_56)); - printf ("src @%08x: %08x %08x %08x %08x\n", p1, ps[0], ps[1], ps[2], - ps[3]); - printf ("dst @%08x: %08x %08x %08x %08x\n", p2, pd[0], pd[1], pd[2], - pd[3]); - printf ("func: %08x\n", le32_to_cpu (zuma_pbb_reg->debug_56)); - - - if (cmd == 0 || cmd == 4) { - /* this is a write */ - if (!(stat.pci_bits.chan0 & EOF_RX_FLAG) || /* not done */ - (memcmp ((void *) ps, (void *) pd, size) != 0)) { /* cmp error */ - for (i = 0; i < size / 4; i += 2) { - if ((ps[i] != pd[i]) || (ps[i + 1] != pd[i + 1])) { - printf ("s @%p:%08x %08x\n", &ps[i], ps[i], ps[i + 1]); - printf ("d @%p:%08x %08x\n", &pd[i], pd[i], pd[i + 1]); - } - } - ret = -1; - } - } else { - /* this is a verify */ - if (!(stat.pci_bits.chan0 & EOF_TX_FLAG) || /* not done */ - (stat.pci_bits.chan0 & EOB_TX_FLAG)) { /* cmp error */ - printf ("%08x: %08x %08x\n", - le32_to_cpu (zuma_pbb_reg->debug_63), - zuma_pbb_reg->debug_61, zuma_pbb_reg->debug_62); - ret = -1; - } - } - - printf ("%s cmd %d, %d bytes: %s!\n", test_legend[cmd], cmd, size, - (ret == 0) ? "PASSED" : "FAILED"); - return 0; -} - -void zuma_init_pbb (void) -{ - unsigned int iobase; - pci_dev_t dev = - pci_find_device (VENDOR_ID_ZUMA, DEVICE_ID_ZUMA_PBB, 0); - - if (dev == -1) { - printf ("no zuma pbb\n"); - return; - } - - pci_read_config_dword (dev, PCI_BASE_ADDRESS_0, &iobase); - - iobase &= PCI_BASE_ADDRESS_MEM_MASK; - - zuma_pbb_reg = (PBB_DMA_REG_MAP *)iobase; - - - if (!zuma_pbb_reg) { - printf ("zuma pbb bar none! (hah hah, get it?)\n"); - return; - } - - zuma_pbb_reg->int_mask.word = 0; - - printf ("pbb @ %p v%d.%d, timestamp %08x\n", zuma_pbb_reg, - zuma_pbb_reg->version.pci_bits.rev_major, - zuma_pbb_reg->version.pci_bits.rev_minor, - zuma_pbb_reg->timestamp); - -} - -#if defined(CONFIG_CMD_BSP) - -static int last_cmd = 4; /* write increment */ -static int last_size = 64; - -int -do_zuma_init_pbb (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - zuma_init_pbb (); - return 0; -} - -int -do_zuma_test_dma (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - if (argc > 1) { - last_cmd = simple_strtoul (argv[1], NULL, 10); - } - if (argc > 2) { - last_size = simple_strtoul (argv[2], NULL, 10); - } - zuma_test_dma (last_cmd, last_size); - return 0; -} - -int -do_zuma_init_mbox (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - zuma_mbox_init (); - return 0; -} - -U_BOOT_CMD( - zinit, 1, 0, do_zuma_init_pbb, - "init zuma pbb", - "\n" -); -U_BOOT_CMD( - zdtest, 3, 1, do_zuma_test_dma, - "run dma test", - "[cmd [count]]\n" - " - run dma cmd (w=0,v=1,cp=2,cmp=3,wi=4,vi=5), count bytes" -); -U_BOOT_CMD( - zminit, 1, 0, do_zuma_init_mbox, - "init zuma mbox", - "\n" -); - -#endif diff --git a/board/evb64260/zuma_pbb.h b/board/evb64260/zuma_pbb.h deleted file mode 100644 index 300b2fe..0000000 --- a/board/evb64260/zuma_pbb.h +++ /dev/null @@ -1,346 +0,0 @@ -#ifndef ZUMA_PBB_H -#define ZUMA_PBB_H - -#define MAX_NUM_BUFFER_PER_RING 32 - -#ifdef __BIG_ENDIAN -#define cpu_bits _be_s_bits /* use with le32_to_cpu only */ -#define pci_bits _be_bits /* may contain swapped bytes, - but dont need le32_to_cpu */ -#endif - -#ifdef __LITTLE_ENDIAN -#define cpu_bits _le_bits -#define pci_bits _le_bits -#endif - -#define VENDOR_ID_ZUMA 0x1172 -#define DEVICE_ID_ZUMA_PBB 0x0004 - -#define RXDBP(chan) (&sip->rx_desc[chan].base) /* ch*8 */ -#define RXDP(chan) (&sip->rx_desc[chan].current) /* ch*8 + 4 */ -#define TXDBP(chan) (&sip->tx_desc[chan].base) /* ch*8 + 64 */ -#define TXDP(chan) (&sip->tx_desc[chan].current) /* ch*8 + 68 */ - -#define PBB_DMA_OWN_BIT 0x80000000 -#define PBB_DMA_LAST_BIT 0x40000000 - -#define EOF_RX_FLAG 1 /* bit 0 */ -#define EOB_RX_FLAG 2 /* bit 1 */ -#define EOF_TX_FLAG 4 /* bit 2 */ -#define EOB_TX_FLAG 8 /* bit 3 */ - -#define TX_MODE(m) (((m)&7) << 16) - -#define RX_DESC(i) (cs->rx_desc[i]) -#define TX_DESC(i) (cs->tx_desc[i]) - -#define RX_CONTROL(i) (RX_DESC(i).control.word) -#define RX_CONTROL_SIZE(i) (RX_DESC(i).control.rx.size) -#define TX_CONTROL(i) (TX_DESC(i).control.word) - -#define RX_DATA_P(i) (&RX_DESC(i).ptr) -#define TX_DATA_P(i) (&TX_DESC(i).ptr) - -typedef volatile unsigned char V8; -typedef volatile unsigned short V16; -typedef volatile unsigned int V32; - -/* RAM descriptor layout */ -typedef struct _tag_dma_descriptor { - V32 ptr; - union { - struct { - V32 owner:1; - V32 last:1; - V32 reserved0: 10; - V32 tx_mode: 4; - - V32 reserved1: 5; - V32 size: 11; - } tx; - struct { - V32 owner:1; - V32 last:1; - V32 reserved0: 14; - - V32 reserved1: 5; - V32 size: 11; - } rx; - V32 word; - } control; -} DMA_DESCRIPTOR; - -/* - * NOTE: DO NOT USE structure to write non-word values... all registers - * MUST be written 4 bytes at a time in SI version 0. - * Non-word writes will result in "unaccessed" bytes written as zero. - * - * Byte reads are allowed. - * - * V32 pads are because the registers are spaced every 8 bytes (64 bits) - * - */ - -/* NOTE!!! 4 dwords */ -typedef struct _tag_dma_descriptor_ring { - DMA_DESCRIPTOR *base; - V32 pad1; /* skip high dword */ - volatile DMA_DESCRIPTOR *current; - V32 pad3; /* skip high dword */ -} DMA_DESCRIPTOR_RING; - -/* 1 dword */ -typedef union _tag_dma_generic { - struct { /* byte 3 2 1 0 */ - V32 chan7:4; /* bits 31-28 */ - V32 chan6:4; /* bits 27-24 */ - V32 chan5:4; /* bits 23-20 */ - V32 chan4:4; /* bits 19-16 */ - V32 chan3:4; /* bits 15-12 */ - V32 chan2:4; /* bits 11-8 */ - V32 chan1:4; /* bits 7-4 */ - V32 chan0:4; /* bits 3-0 */ - } _be_s_bits; - struct { /* byte 0 1 2 3 */ - V32 chan1:4; /* bits 7-4 */ - V32 chan0:4; /* bits 3-0 */ - V32 chan3:4; /* bits 15-12 */ - V32 chan2:4; /* bits 11-8 */ - V32 chan5:4; /* bits 23-20 */ - V32 chan4:4; /* bits 19-16 */ - V32 chan7:4; /* bits 31-28 */ - V32 chan6:4; /* bits 27-24 */ - } _be_bits; - struct { /* byte 0 1 2 3 */ - V32 chan0:4; /* bits 0-3 */ - V32 chan1:4; /* bits 4-7 */ - V32 chan2:4; /* bits 8-11 */ - V32 chan3:4; /* bits 12-15 */ - V32 chan4:4; /* bits 16-19 */ - V32 chan5:4; /* bits 20-23 */ - V32 chan6:4; /* bits 24-27 */ - V32 chan7:4; /* bits 28-31 */ - } _le_bits; - V8 byte[4]; - V32 word; -} DMA_RXTX_ENABLE, DMA_RX_DELETE, - DMA_INT_STATUS, DMA_INT_MASK, - DMA_RX_LEVEL_STATUS, DMA_RX_LEVEL_INT_MASK; - -/* 1 dword */ -typedef union _tag_dma_rx_timer{ - struct { - V32 res0:8; /* bits 32-24 */ - V32 res1:7; /* bits 23-17 */ - V32 enable:1; /* bit 16 */ - V32 value:16; /* bits 15-0 */ - } _be_s_bits; - struct { - /* crosses byte boundary. must use swap. */ - V32 s_value:16; /* bits 7-0,15-8 */ - V32 enable:1; /* bit 16 */ - V32 res1:7; /* bits 23-17 */ - V32 res0:8; /* bits 32-24 */ - } _be_bits; - struct { - V32 value:16; /* bits 0-15 */ - V32 enable:1; /* bit 16 */ - V32 res1:7; /* bits 17-23 */ - V32 res0:8; /* bits 24-32 */ - } _le_bits; - V8 byte[4]; - V32 word; -} DMA_RX_TIMER; - -/* NOTE!!!: 2 dwords */ -typedef struct _tag_dma_desc_level{ - union { - struct { - V32 res1:8; /* bits 31-24 */ - V32 res0:7; /* bits 23-17 */ - V32 write:1; /* bit 16 */ - V32 thresh:8; /* bits 15-8 */ - V32 level:8; /* bits 7-0 */ - } _be_s_bits; - struct { - V32 level:8; /* bits 7-0 */ - V32 thresh:8; /* bits 15-8 */ - V32 res0:7; /* bits 30-17 */ - V32 write:1; /* bit 16 */ - V32 res1:8; /* bits 31-24 */ - } _be_bits; - struct { - V32 level:8; /* bits 0-7 */ - V32 thresh:8; /* bits 8-15 */ - V32 write:1; /* bit 16 */ - V32 res0:7; /* bit 17-30 */ - V32 res1:8; /* bits 24-31 */ - } _le_bits; - V8 byte[4]; - V32 word; - } desc; - V32 pad1; -} DMA_DESC_LEVEL; - -typedef struct _tag_pbb_dma_reg_map { - /* 0-15 (0x000-0x078) */ - DMA_DESCRIPTOR_RING rx_desc[8]; /* 4 dwords each, 128 bytes tot. */ - - /* 16-31 (0x080-0x0f8) */ - DMA_DESCRIPTOR_RING tx_desc[8]; /* 4 dwords each, 128 bytes tot. */ - - /* 32/33 (0x100/0x108) */ - V32 reserved_32; - V32 pad_32; - V32 reserved_33; - V32 pad_33; - - /* 34 (0x110) */ - DMA_RXTX_ENABLE rxtx_enable; - V32 pad_34; - - /* 35 (0x118) */ - DMA_RX_DELETE rx_delete; - V32 pad_35; - - /* 36-38 (0x120-0x130) */ - DMA_INT_STATUS status; - V32 pad_36; - DMA_INT_STATUS last_status; - V32 pad_37; - DMA_INT_MASK int_mask; - V32 pad_38; - - /* 39/40 (0x138/0x140) */ - union { - /* NOTE!! 4 dwords */ - struct { - V32 channel_3:8; - V32 channel_2:8; - V32 channel_1:8; - V32 channel_0:8; - V32 pad1; - V32 channel_7:8; - V32 channel_6:8; - V32 channel_5:8; - V32 channel_4:8; - V32 pad3; - } _be_s_bits; - struct { - V32 channel_0:8; - V32 channel_1:8; - V32 channel_2:8; - V32 channel_3:8; - V32 pad1; - V32 channel_4:8; - V32 channel_5:8; - V32 channel_6:8; - V32 channel_7:8; - V32 pad3; - } _be_bits, _le_bits; - V8 byte[16]; - V32 word[4]; - } rx_size; - - /* 41/42 (0x148/0x150) */ - V32 reserved_41; - V32 pad_41; - V32 reserved_42; - V32 pad_42; - - /* 43/44 (0x158/0x160) */ - DMA_RX_LEVEL_STATUS rx_level_status; - V32 pad_43; - DMA_RX_LEVEL_INT_MASK rx_level_int_mask; - V32 pad_44; - - /* 45 (0x168) */ - DMA_RX_TIMER rx_timer; - V32 pad_45; - - /* 46 (0x170) */ - V32 reserved_46; - V32 pad_46; - - /* 47 (0x178) */ - V32 mbox_status; - V32 pad_47; - - /* 48/49 (0x180/0x188) */ - V32 mbox_out; - V32 pad_48; - V32 mbox_in; - V32 pad_49; - - /* 50 (0x190) */ - V32 config; - V32 pad_50; - - /* 51/52 (0x198/0x1a0) */ - V32 c2a_ctr; - V32 pad_51; - V32 a2c_ctr; - V32 pad_52; - - /* 53 (0x1a8) */ - union { - struct { - V32 rev_major:8; /* bits 31-24 */ - V32 rev_minor:8; /* bits 23-16 */ - V32 reserved:16; /* bits 15-0 */ - } _be_s_bits; - struct { - V32 s_reserved:16; /* bits 7-0, 15-8 */ - V32 rev_minor:8; /* bits 23-16 */ - V32 rev_major:8; /* bits 31-24 */ - } _be_bits; - struct { - V32 reserved:16; /* bits 0-15 */ - V32 rev_minor:8; /* bits 16-23 */ - V32 rev_major:8; /* bits 24-31 */ - } _le_bits; - V8 byte[4]; - V32 word; - } version; - V32 pad_53; - - /* 54-59 (0x1b0-0x1d8) */ - V32 debug_54; - V32 pad_54; - V32 debug_55; - V32 pad_55; - V32 debug_56; - V32 pad_56; - V32 debug_57; - V32 pad_57; - V32 debug_58; - V32 pad_58; - V32 debug_59; - V32 pad_59; - - /* 60 (0x1e0) */ - V32 timestamp; - V32 pad_60; - - /* 61-63 (0x1e8-0x1f8) */ - V32 debug_61; - V32 pad_61; - V32 debug_62; - V32 pad_62; - V32 debug_63; - V32 pad_63; - - /* 64-71 (0x200 - 0x238) */ - DMA_DESC_LEVEL rx_desc_level[8]; /* 2 dwords each, 32 bytes tot. */ - - /* 72-98 (0x240 - 0x2f8) */ - /* reserved */ - - /* 96-127 (0x300 - 0x3f8) */ - /* mirrors (0x100 - 0x1f8) */ - -} PBB_DMA_REG_MAP; - - -#endif /* ZUMA_PBB_H */ diff --git a/board/evb64260/zuma_pbb_mbox.c b/board/evb64260/zuma_pbb_mbox.c deleted file mode 100644 index 621c64c..0000000 --- a/board/evb64260/zuma_pbb_mbox.c +++ /dev/null @@ -1,208 +0,0 @@ -#include <common.h> -#include <galileo/pci.h> -#include <net.h> -#include <pci.h> - -#include "zuma_pbb.h" -#include "zuma_pbb_mbox.h" - - -struct _zuma_mbox_dev zuma_mbox_dev; - - -static int zuma_mbox_write(struct _zuma_mbox_dev *dev, unsigned int data) -{ - unsigned int status, count = 0, i; - - status = (volatile int) le32_to_cpu(dev->sip->mbox_status); - - while ((status & OUT_PENDING) && count < 1000) { - count++; - for (i = 0; i < 1000; i++) - ; - status = (volatile int) le32_to_cpu(dev->sip->mbox_status); - } - if (count < 1000) { - /* if SET it means msg pending */ - /* printf("mbox real write %08x\n",data); */ - dev->sip->mbox_out = cpu_to_le32(data); - return 4; - } - - printf("mbox tx timeout\n"); - return 0; -} - -static int zuma_mbox_read(struct _zuma_mbox_dev *dev, unsigned int *data) -{ - unsigned int status, count = 0, i; - - status = (volatile int) le32_to_cpu(dev->sip->mbox_status); - - while (!(status & IN_VALID) && count < 1000) { - count++; - for (i = 0; i < 1000; i++) - ; - status = (volatile int) le32_to_cpu(dev->sip->mbox_status); - } - if (count < 1000) { - /* if SET it means msg pending */ - *data = le32_to_cpu(dev->sip->mbox_in); - /*printf("mbox real read %08x\n", *data); */ - return 4; - } - printf("mbox rx timeout\n"); - return 0; -} - -static int zuma_mbox_do_one_mailbox(unsigned int out, unsigned int *in) -{ - int ret; - - ret = zuma_mbox_write(&zuma_mbox_dev, out); - /*printf("write 0x%08x (%d bytes)\n", out, ret); */ - if (ret != 4) - return -1; - ret = zuma_mbox_read(&zuma_mbox_dev, in); - /*printf("read 0x%08x (%d bytes)\n", *in, ret); */ - if (ret != 4) - return -1; - return 0; -} - - -#define RET_IF_FAILED(x) if ((x) == -1) return -1 - -static int zuma_mbox_do_all_mailbox(void) -{ - unsigned int data_in; - unsigned short sdata_in; - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_START, &data_in)); - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACL, &data_in)); - memcpy(zuma_acc_mac + 2, &data_in, 4); - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_MACH, &data_in)); - sdata_in = data_in & 0xffff; - memcpy(zuma_acc_mac, &sdata_in, 2); - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_IP, &data_in)); - zuma_ip = data_in; - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_SLOT, &data_in)); - zuma_slot_bac = data_in >> 3; - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_BAUD, &data_in)); - zuma_console_baud = data_in & 0xffff; - zuma_debug_baud = data_in >> 16; - - RET_IF_FAILED(zuma_mbox_do_one_mailbox - (ZUMA_MBOXMSG_ENG_PRV_MACL, &data_in)); - memcpy(zuma_prv_mac + 2, &data_in, 4); - RET_IF_FAILED(zuma_mbox_do_one_mailbox - (ZUMA_MBOXMSG_ENG_PRV_MACH, &data_in)); - sdata_in = data_in & 0xffff; - memcpy(zuma_prv_mac, &sdata_in, 2); - - RET_IF_FAILED(zuma_mbox_do_one_mailbox(ZUMA_MBOXMSG_DONE, &data_in)); - - return 0; -} - - -static void zuma_mbox_dump(void) -{ - unsigned short s; - unsigned int i; - - memcpy(&s, &zuma_acc_mac, sizeof(s)); - memcpy(&i, &zuma_acc_mac[2], sizeof(i)); - printf("ACC MAC=%04x%08x\n", s, i); - - memcpy(&s, &zuma_prv_mac, sizeof(s)); - memcpy(&s, &zuma_prv_mac[2], sizeof(i)); - printf("PRV MAC=%04x%08x\n", s, i); - - printf("slot:bac=%d:%d\n", - (zuma_slot_bac >> 2) & 0xf, - zuma_slot_bac & 0x3); - - printf("BAUD1=%d BAUD2=%d\n", - zuma_console_baud, - zuma_debug_baud); -} - - -static void zuma_mbox_setenv(void) -{ - char *data, buf[32]; - unsigned char save = 0; - - data = getenv("baudrate"); - - if (!data || (zuma_console_baud != simple_strtoul(data, NULL, 10))) { - sprintf(buf, "%6d", zuma_console_baud); - setenv("baudrate", buf); - save = 1; - printf("baudrate doesn't match from mbox\n"); - } - - ip_to_string(zuma_ip, buf); - setenv("ipaddr", buf); - - sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x", - zuma_prv_mac[0], - zuma_prv_mac[1], - zuma_prv_mac[2], - zuma_prv_mac[3], zuma_prv_mac[4], zuma_prv_mac[5]); - setenv("ethaddr", buf); - - sprintf(buf, "%02x", zuma_slot_bac); - setenv("bacslot", buf); - - if (save) - saveenv(); -} - -/** - * zuma_mbox_init: - */ - -int zuma_mbox_init(void) -{ - unsigned int iobase; - - memset(&zuma_mbox_dev, 0, sizeof(struct _zuma_mbox_dev)); - - zuma_mbox_dev.dev = - pci_find_device(VENDOR_ID_ZUMA, DEVICE_ID_ZUMA_PBB, 0); - - if (zuma_mbox_dev.dev == -1) { - printf("no zuma pbb\n"); - return -1; - } - - pci_read_config_dword(zuma_mbox_dev.dev, PCI_BASE_ADDRESS_0, &iobase); - - iobase &= PCI_BASE_ADDRESS_MEM_MASK; - - zuma_mbox_dev.sip = (PBB_DMA_REG_MAP *) iobase; - - zuma_mbox_dev.sip->int_mask.word = 0; - - printf("pbb @ %p v%d.%d, timestamp %08x\n", zuma_mbox_dev.sip, - zuma_mbox_dev.sip->version.pci_bits.rev_major, - zuma_mbox_dev.sip->version.pci_bits.rev_minor, - zuma_mbox_dev.sip->timestamp); - - if (zuma_mbox_do_all_mailbox() == -1) { - printf("mailbox failed.. no ACC?\n"); - return -1; - } - - zuma_mbox_dump(); - - zuma_mbox_setenv(); - - return 0; -} diff --git a/board/evb64260/zuma_pbb_mbox.h b/board/evb64260/zuma_pbb_mbox.h deleted file mode 100644 index b4a4c0c..0000000 --- a/board/evb64260/zuma_pbb_mbox.h +++ /dev/null @@ -1,43 +0,0 @@ -#define IN_VALID 1 -#define OUT_PENDING 2 - -enum { - ZUMA_MBOXMSG_DONE, - ZUMA_MBOXMSG_MACL, - ZUMA_MBOXMSG_MACH, - ZUMA_MBOXMSG_IP, - ZUMA_MBOXMSG_SLOT, - ZUMA_MBOXMSG_RESET, - ZUMA_MBOXMSG_BAUD, - ZUMA_MBOXMSG_START, - ZUMA_MBOXMSG_ENG_PRV_MACL, - ZUMA_MBOXMSG_ENG_PRV_MACH, - - MBOXMSG_LAST -}; - -struct zuma_mailbox_info { - unsigned char acc_mac[6]; - unsigned char prv_mac[6]; - unsigned int ip; - unsigned int slot_bac; - unsigned int console_baud; - unsigned int debug_baud; -}; - -struct _zuma_mbox_dev { - pci_dev_t dev; - PBB_DMA_REG_MAP *sip; - struct zuma_mailbox_info mailbox; -}; - -#define zuma_prv_mac zuma_mbox_dev.mailbox.prv_mac -#define zuma_acc_mac zuma_mbox_dev.mailbox.acc_mac -#define zuma_ip zuma_mbox_dev.mailbox.ip -#define zuma_slot_bac zuma_mbox_dev.mailbox.slot_bac -#define zuma_console_baud zuma_mbox_dev.mailbox.console_baud -#define zuma_debug_baud zuma_mbox_dev.mailbox.debug_baud - - -extern struct _zuma_mbox_dev zuma_mbox_dev; -extern int zuma_mbox_init (void); |