diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/mbx8xx/Makefile | 8 | ||||
| -rw-r--r-- | board/mbx8xx/README | 68 | ||||
| -rw-r--r-- | board/mbx8xx/csr.h | 44 | ||||
| -rw-r--r-- | board/mbx8xx/dimm.h | 98 | ||||
| -rw-r--r-- | board/mbx8xx/flash.c | 392 | ||||
| -rw-r--r-- | board/mbx8xx/mbx8xx.c | 383 | ||||
| -rw-r--r-- | board/mbx8xx/pcmcia.c | 156 | ||||
| -rw-r--r-- | board/mbx8xx/u-boot.lds | 82 | ||||
| -rw-r--r-- | board/mbx8xx/u-boot.lds.debug | 122 | ||||
| -rw-r--r-- | board/mbx8xx/vpd.c | 180 | ||||
| -rw-r--r-- | board/mbx8xx/vpd.h | 119 |
11 files changed, 0 insertions, 1652 deletions
diff --git a/board/mbx8xx/Makefile b/board/mbx8xx/Makefile deleted file mode 100644 index 2074b6b..0000000 --- a/board/mbx8xx/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = mbx8xx.o flash.o vpd.o pcmcia.o diff --git a/board/mbx8xx/README b/board/mbx8xx/README deleted file mode 100644 index c889fe9..0000000 --- a/board/mbx8xx/README +++ /dev/null @@ -1,68 +0,0 @@ -IMPORTANT NOTE - read before defining CONFIG_SYS_USE_OSCCLK in your board - config file!!! - - -WARNING: Wrong settings of this parameter have the potential to -damage hardware by running the MBX's CPU at frequencies that exceed -it's rating and/or overdriving the it's SPLL! - - -Ramblings: -1) Motorola offered 12 different variants of the MBX, 6 823s and 6 860s. -2) Of these 12 variants, only 2 were entry level boards. -3) I believe that the 2 entry level boards were the only ones that - used OSCM clocking. I can't be completely certain of this at this - point. -4) Motorola never offered an MBX that ran faster than 50Mhz. -5) The 10, non-entry level boards, ran at 40Mhz. -6) The EXTCLK input has a minimum clock of 15Mhz for the 823/860. -7) Motorola no longer sells MBXs. - -Based on this information, I can surmise that the default power-on -reset clocking was one of the following three options. - -Multiplier SPLL Options ------------------------------------- -513 OSCM is SPLL input -5 OSCM is SPLL input -1 EXTCLK is SPLL input - -The forth option: - -5 EXTCLK is SPLL input - -is not possible on MBXs. This is because the minimum EXTCLK input -frequency is 15Mhz. 5 * 15Mhz = 75 Mhz. There was no variant that ran -above 50 Mhz. - -The board I have borrowed definitely uses a multiplier of 1 for -EXTCLK and runs at 40Mhz. I even went so far as to put a scope on it. - -One of the two default OSCM modes are most likely what was used on -the entry level boards to cheapen them by eliminating the external -crystal oscillator. - -To add insult to injury, the stupid 860 PLPRCR register retains it's -multiplication factor through hard resets. You can't clear it out -because it is battery backed and once it is set wrong, it stays -wrong. The only way to reset it, so that it takes on it's default -multiplier is to disconnect all power including external, batteries, -as well discharging caps on the board. This precludes the fact that -your 860 may be quite DEAD by this time! - -If you don't setup the multiplication factor for boards that use the -OSCM input, they won't run correctly, but at least they won't be -dead. - -Addtionally, there is no good way to determine the clock input source -from CPU register data. The only way to deal with this is either hard -code it, determine the correct value with some rather NASTY timing -loops, or try to grok it from external data sources. Motorola -firmware opts for the NASTY timing loops, but needs to configure the -serial ports to do so. - - -You may have a legitimate need to define CONFIG_SYS_USE_OSCCLK if your -MBX8xx board is using the OSCM clocking mode. - -You better know what you are doing here. diff --git a/board/mbx8xx/csr.h b/board/mbx8xx/csr.h deleted file mode 100644 index 9370609..0000000 --- a/board/mbx8xx/csr.h +++ /dev/null @@ -1,44 +0,0 @@ -#ifndef __csr_h -#define __csr_h - -/* - * (C) Copyright 2000 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Control and Status Register definitions for the MBX - * - *-------------------------------------------------------------------- - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* bits for control register #1 / status register #1 */ -#define CSR1_ETEN 0x80 /* Ethernet Transceiver Enabled */ -#define CSR1_ELEN 0x40 /* Ethernet XCVR in Internal Loopback */ -#define CSR1_EAEN 0x20 /* Auto selection TP/AUI Enabled */ -#define CSR1_TPEN 0x10 /* TP manually selected */ -#define CSR1_FDDIS 0x08 /* Full Duplex Mode disabled */ -#define CSR1_FCTEN 0x04 /* Collision Testing of XCVR disabled */ -#define CSR1_COM1EN 0x02 /* COM1 signals routed to RS232 Transceiver */ -#define CSR1_XCVRDIS 0x01 /* Onboard RS232 Transceiver Disabled */ - -/* bits for control register #2 */ -#define CR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */ -#define CR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */ -#define CR2_BRDFAIL 0x08 /* Board fail */ -#define CR2_SWS1 0x04 /* Software Status #2 LED */ -#define CR2_SWS2 0x02 /* Software Status #2 LED */ -#define CR2_QSPANRST 0x01 /* Reset QSPAN */ - -/* bits for status register #2 */ -#define SR2_VDDSEL 0xC0 /* PCMCIA Supply Voltage */ -#define SR2_VPPSEL 0x30 /* PCMCIA Programming Voltage */ -#define SR2_BATGD 0x08 /* Low Voltage indication for onboard bat */ -#define SR2_NVBATGD 0x04 /* Low Voltage indication for NVRAM */ -#define SR2_RDY 0x02 /* Flash programming status bit */ -#define SR2_FT 0x01 /* Reserved for Factory test purposes */ - -#define MBX_CSR1 (*((uchar *)CONFIG_SYS_CSR_BASE)) -#define MBX_CSR2 (*((uchar *)CONFIG_SYS_CSR_BASE + 1)) - -#endif /* __csr_h */ diff --git a/board/mbx8xx/dimm.h b/board/mbx8xx/dimm.h deleted file mode 100644 index b40f112..0000000 --- a/board/mbx8xx/dimm.h +++ /dev/null @@ -1,98 +0,0 @@ -#ifndef __dimm_h -#define __dimm_h - -/* - * Module name: %M% - * Description: - * Serial Presence Detect Definitions Module - * SCCS identification: %I% - * Branch: %B% - * Sequence: %S% - * Date newest applied delta was created (MM/DD/YY): %G% - * Time newest applied delta was created (HH:MM:SS): %U% - * SCCS file name %F% - * Fully qualified SCCS file name: - * %P% - * Copyright: - * (C) COPYRIGHT MOTOROLA, INC. 1996 - * ALL RIGHTS RESERVED - * Notes: - * 1. All data was taken from an IBM application note titled - * "Serial Presence Detect Definitions". - * History: - * Date Who - * - * 10/24/96 Rob Baxter - * Initial release. - * - */ - -/* - * serial PD byte assignment address map (256 byte EEPROM) - */ -typedef struct dimm -{ - uchar n_bytes; /* 00 number of bytes written/used */ - uchar t_bytes; /* 01 total number of bytes in serial PD device */ - uchar fmt; /* 02 fundamental memory type (FPM/EDO/SDRAM) */ - uchar n_row; /* 03 number of rows */ - uchar n_col; /* 04 number of columns */ - uchar n_banks; /* 05 number of banks */ - uchar data_w_lo; /* 06 data width */ - uchar data_w_hi; /* 07 data width */ - uchar ifl; /* 08 interface levels */ - uchar a_ras; /* 09 RAS access */ - uchar a_cas; /* 0A CAS access */ - uchar ct; /* 0B configuration type (non-parity/parity/ECC) */ - uchar refresh_rt; /* 0C refresh rate/type */ - uchar p_dram_o; /* 0D primary DRAM organization */ - uchar s_dram_o; /* 0E secondary DRAM organization (parity/ECC-checkbits) */ - uchar reserved[17]; /* 0F reserved fields for future offerings */ - uchar ss_info[32]; /* 20 superset information (may be used in the future) */ - uchar m_info[64]; /* 40 manufacturer information (optional) */ - uchar unused[128]; /* 80 unused storage locations */ -} dimm_t; - -/* - * memory type definitions - */ -#define DIMM_MT_FPM 1 /* standard FPM (fast page mode) DRAM */ -#define DIMM_MT_EDO 2 /* EDO (extended data out) */ -#define DIMM_MT_PN 3 /* pipelined nibble */ -#define DIMM_MT_SDRAM 4 /* SDRAM (synchronous DRAM) */ - -/* - * row addresses definitions - */ -#define DIMM_RA_RDNDNT (1<<7) /* redundant addressing */ -#define DIMM_RA_MASK 0x7f /* number of row addresses mask */ - -/* - * module interface levels definitions - */ -#define DIMM_IFL_TTL 0 /* TTL/5V tolerant */ -#define DIMM_IFL_LVTTL 1 /* LVTTL (not 5V tolerant) */ -#define DIMM_IFL_HSTL15 2 /* HSTL 1.5 */ -#define DIMM_IFL_SSTL33 3 /* SSTL 3.3 */ -#define DIMM_IFL_SSTL25 4 /* SSTL 2.5 */ - -/* - * DIMM configuration type definitions - */ -#define DIMM_CT_NONE 0 /* none */ -#define DIMM_CT_PARITY 1 /* parity */ -#define DIMM_CT_ECC 2 /* ECC */ - -/* - * row addresses definitions - */ -#define DIMM_RRT_SR (1<<7) /* self refresh flag */ -#define DIMM_RRT_MASK 0x7f /* refresh rate mask */ -#define DIMM_RRT_NRML 0x00 /* normal (15.625us) */ -#define DIMM_RRT_R_3_9 0x01 /* reduced .25x (3.9us) */ -#define DIMM_RRT_R_7_8 0x02 /* reduced .5x (7.8us) */ -#define DIMM_RRT_E_31_3 0x03 /* extended 2x (31.3us) */ -#define DIMM_RRT_E_62_5 0x04 /* extended 4x (62.5us) */ -#define DIMM_RRT_E_125 0x05 /* extended 8x (125us) */ - -#endif /* __dimm_h */ diff --git a/board/mbx8xx/flash.c b/board/mbx8xx/flash.c deleted file mode 100644 index fa07152..0000000 --- a/board/mbx8xx/flash.c +++ /dev/null @@ -1,392 +0,0 @@ -/* - * (C) Copyright 2000 - * Marius Groeger <mgroeger@sysgo.de> - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Flash Routines for AM290[48]0B devices - * - *-------------------------------------------------------------------- - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc8xx.h> -#include "vpd.h" - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ - -static ulong flash_get_size (vu_long *addr, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - unsigned long size, totsize; - int i; - ulong addr; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - totsize = 0; - addr = 0xfc000000; - for(i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - size = flash_get_size((vu_long *)addr, &flash_info[i]); - if (flash_info[i].flash_id == FLASH_UNKNOWN) - break; - totsize += size; - addr += size; - } - - addr = 0xfe000000; - for(i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - - size = flash_get_size((vu_long *)addr, &flash_info[i]); - if (flash_info[i].flash_id == FLASH_UNKNOWN) - break; - totsize += size; - addr += 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_info[0]); -#endif - - return (totsize); -} - -/*----------------------------------------------------------------------- - */ -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 >> 16) { - case 0x1: - printf ("AMD "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case AMD_ID_F040B: - printf ("AM29F040B (4 Mbit)\n"); - break; - case AMD_ID_F080B: - printf ("AM29F080B (8 Mbit)\n"); - break; - case AMD_ID_F016D: - printf ("AM29F016D (16 Mbit)\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, 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 ulong flash_get_size (vu_long *addr, flash_info_t *info) -{ - short i; - ulong vendor, devid; - ulong base = (ulong)addr; - - /* Write auto select command: read Manufacturer ID */ - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x90909090; - - vendor = addr[0]; - devid = addr[1] & 0xff; - - /* only support AMD */ - if (vendor != 0x01010101) { - return 0; - } - - vendor &= 0xf; - devid &= 0xff; - - if (devid == AMD_ID_F040B) { - info->flash_id = vendor << 16 | devid; - info->sector_count = 8; - info->size = info->sector_count * 0x10000; - } - else if (devid == AMD_ID_F080B) { - info->flash_id = vendor << 16 | devid; - info->sector_count = 16; - info->size = 4 * info->sector_count * 0x10000; - } - else if (devid == AMD_ID_F016D) { - info->flash_id = vendor << 16 | devid; - info->sector_count = 32; - info->size = 4 * info->sector_count * 0x10000; - } - else { - printf ("## Unknown Flash Type: %08lx\n", devid); - return 0; - } - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* sector base address */ - info->start[i] = base + i * (info->size / info->sector_count); - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (volatile unsigned long *)(info->start[i]); - info->protect[i] = addr[2] & 1; - } - - /* - * Prevent writes to uninitialized FLASH. - */ - if (info->flash_id != FLASH_UNKNOWN) { - addr = (vu_long *)info->start[0]; - addr[0] = 0xF0; /* reset bank */ - } - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - vu_long *addr = (vu_long*)(info->start[0]); - int flag, prot, sect, l_sect; - ulong start, now, last; - - 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 sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x0555] = 0XAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0x80808080; - addr[0x0555] = 0XAAAAAAAA; - addr[0x02AA] = 0x55555555; - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (vu_long*)(info->start[sect]); - addr[0] = 0x30303030; - 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 = (vu_long*)(info->start[l_sect]); - while ((addr[0] & 0x80808080) != 0x80808080) { - 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 */ - serial_putc ('.'); - last = now; - } - } - - DONE: - /* reset to read mode */ - addr = (volatile unsigned long *)info->start[0]; - addr[0] = 0xF0F0F0F0; /* reset bank */ - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - 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 - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - vu_long *addr = (vu_long*)(info->start[0]); - ulong start; - int flag; - - /* 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(); - - addr[0x0555] = 0xAAAAAAAA; - addr[0x02AA] = 0x55555555; - addr[0x0555] = 0xA0A0A0A0; - - *((vu_long *)dest) = data; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*((vu_long *)dest) & 0x80808080) != (data & 0x80808080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/board/mbx8xx/mbx8xx.c b/board/mbx8xx/mbx8xx.c deleted file mode 100644 index 98c723f..0000000 --- a/board/mbx8xx/mbx8xx.c +++ /dev/null @@ -1,383 +0,0 @@ -/* - * (C) Copyright 2000 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Board specific routines for the MBX - * - * - initialisation - * - interface to VPD data (mac address, clock speeds) - * - memory controller - * - serial io initialisation - * - ethernet io initialisation - * - * ----------------------------------------------------------------- - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <commproc.h> -#include <mpc8xx.h> -#include <net.h> -#include "dimm.h" -#include "vpd.h" -#include "csr.h" - -/* ------------------------------------------------------------------------- */ - -static const uint sdram_table_40[] = { - /* DRAM - single read. (offset 0 in upm RAM) - */ - 0xCFAFC004, 0x0FAFC404, 0x0CAF0C04, 0x30AF0C00, - 0xF1BF4805, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* DRAM - burst read. (offset 8 in upm RAM) - */ - 0xCFAFC004, 0x0FAFC404, 0x0CAF0C04, 0x03AF0C08, - 0x0CAF0C04, 0x03AF0C08, 0x0CAF0C04, 0x03AF0C08, - 0x0CAF0C04, 0x30AF0C00, 0xF3BF4805, 0xFFFFC005, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* DRAM - single write. (offset 18 in upm RAM) - */ - 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x33FF4804, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* DRAM - burst write. (offset 20 in upm RAM) - */ - 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x03FF0C0C, - 0x0CFF0C00, 0x03FF0C0C, 0x0CFF0C00, 0x03FF0C0C, - 0x0CFF0C00, 0x33FF4804, 0xFFFFC005, 0xFFFFC005, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* refresh (offset 30 in upm RAM) - */ - 0xFCFFC004, 0xC0FFC004, 0x01FFC004, 0x0FFFC004, - 0x3FFFC004, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* exception. (offset 3c in upm RAM) - */ - 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, -}; - -static const uint sdram_table_50[] = { - /* DRAM - single read. (offset 0 in upm RAM) - */ - 0xCFAFC004, 0x0FAFC404, 0x0CAF8C04, 0x10AF0C04, - 0xF0AF0C00, 0xF3BF4805, 0xFFFFC005, 0xFFFFC005, - - /* DRAM - burst read. (offset 8 in upm RAM) - */ - 0xCFAFC004, 0X0FAFC404, 0X0CAF8C04, 0X00AF0C04, - /* 0X07AF0C08, 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C04, */ - 0X07AF0C08, 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C08, - 0X0CAF0C04, 0X01AF0C04, 0X0FAF0C08, 0X0CAF0C04, - /* 0X10AF0C04, 0XF0AFC000, 0XF3FF4805, 0XFFFFC005, */ - 0X10AF0C04, 0XF0AFC000, 0XF3BF4805, 0XFFFFC005, - - /* DRAM - single write. (offset 18 in upm RAM) - */ - 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x13FF4804, - 0xFFFFC004, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* DRAM - burst write. (offset 20 in upm RAM) - */ - 0xCFFF0004, 0x0FFF0404, 0x0CFF0C00, 0x03FF0C0C, - 0x0CFF0C00, 0x03FF0C0C, 0x0CFF0C00, 0x03FF0C0C, - 0x0CFF0C00, 0x13FF4804, 0xFFFFC004, 0xFFFFC005, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* refresh (offset 30 in upm RAM) - */ - 0xFCFFC004, 0xC0FFC004, 0x01FFC004, 0x0FFFC004, - 0x1FFFC004, 0xFFFFC004, 0xFFFFC005, 0xFFFFC005, - 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, 0xFFFFC005, - - /* exception. (offset 3c in upm RAM) - */ - 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, 0xFFFFC007, -}; - -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_SYS_USE_OSCCLK -static unsigned int get_reffreq(void); -#endif -static unsigned int board_get_cpufreq(void); - -void mbx_init (void) -{ - volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immr->im_memctl; - ulong speed, plprcr, sccr; - ulong br0_32 = memctl->memc_br0 & 0x400; - - /* real-time clock status and control register */ - immr->im_sitk.sitk_rtcsck = KAPWR_KEY; - immr->im_sit.sit_rtcsc = 0x00C3; - - /* SIEL and SIMASK Registers (see MBX PRG 2-3) */ - immr->im_siu_conf.sc_simask = 0x00000000; - immr->im_siu_conf.sc_siel = 0xAAAA0000; - immr->im_siu_conf.sc_tesr = 0xFFFFFFFF; - - /* - * Prepare access to i2c bus. The MBX offers 3 devices on the i2c bus: - * 1. Vital Product Data (contains clock speeds, MAC address etc, see vpd.h) - * 2. RAM Specs (see dimm.h) - * 2. DIMM Specs (see dimm.h) - */ - vpd_init (); - - /* system clock and reset control register */ - immr->im_clkrstk.cark_sccrk = KAPWR_KEY; - sccr = immr->im_clkrst.car_sccr; - sccr &= SCCR_MASK; - sccr |= CONFIG_SYS_SCCR; - immr->im_clkrst.car_sccr = sccr; - - speed = board_get_cpufreq (); - -#if ((CONFIG_SYS_PLPRCR & PLPRCR_MF_MSK) != 0) - plprcr = CONFIG_SYS_PLPRCR; -#else - plprcr = immr->im_clkrst.car_plprcr; - plprcr &= PLPRCR_MF_MSK; /* isolate MF field */ - plprcr |= CONFIG_SYS_PLPRCR; /* reset control bits */ -#endif - -#ifdef CONFIG_SYS_USE_OSCCLK /* See doc/README.MBX ! */ - plprcr |= ((speed + get_reffreq() / 2) / refclock - 1) << 20; -#endif - - immr->im_clkrstk.cark_plprcrk = KAPWR_KEY; - immr->im_clkrst.car_plprcr = plprcr; - - /* - * preliminary setup of memory controller: - * - map Flash, otherwise configuration/status - * registers won't be accessible when read - * by board_init_f. - * - map NVRAM and configuation/status registers. - * - map pci registers. - * - DON'T map ram yet, this is done in initdram(). - */ - switch (speed / 1000000) { - case 40: - memctl->memc_br0 = 0xFE000000 | br0_32 | 1; - memctl->memc_or0 = 0xFF800930; - memctl->memc_or4 = CONFIG_SYS_NVRAM_OR | 0x920; - memctl->memc_br4 = CONFIG_SYS_NVRAM_BASE | 0x401; - break; - case 50: - memctl->memc_br0 = 0xFE000000 | br0_32 | 1; - memctl->memc_or0 = 0xFF800940; - memctl->memc_or4 = CONFIG_SYS_NVRAM_OR | 0x930; - memctl->memc_br4 = CONFIG_SYS_NVRAM_BASE | 0x401; - break; - default: - hang (); - break; - } -#ifdef CONFIG_USE_PCI - memctl->memc_or5 = CONFIG_SYS_PCIMEM_OR; - memctl->memc_br5 = CONFIG_SYS_PCIMEM_BASE | 0x001; - memctl->memc_or6 = CONFIG_SYS_PCIBRIDGE_OR; - memctl->memc_br6 = CONFIG_SYS_PCIBRIDGE_BASE | 0x001; -#endif - /* - * FIXME: I do not understand why I have to call this to - * initialise the control register here before booting from - * the PCMCIA card but if I do not the Linux kernel falls - * over in a big heap. If you can answer this question I - * would like to know about it. - */ - board_ether_init(); -} - -void board_serial_init (void) -{ - MBX_CSR1 &= ~(CSR1_COM1EN | CSR1_XCVRDIS); -} - -void board_ether_init (void) -{ - MBX_CSR1 &= ~(CSR1_EAEN | CSR1_ELEN); - MBX_CSR1 |= CSR1_ETEN | CSR1_TPEN | CSR1_FDDIS; -} - -static unsigned int board_get_cpufreq (void) -{ -#ifndef CONFIG_8xx_GCLK_FREQ - vpd_packet_t *packet; - ulong *p; - - packet = vpd_find_packet (VPD_PID_ICS); - p = (ulong *)packet->data; - return *p; -#else - return((unsigned int)CONFIG_8xx_GCLK_FREQ ); -#endif /* CONFIG_8xx_GCLK_FREQ */ -} - -#ifdef CONFIG_SYS_USE_OSCCLK -static unsigned int get_reffreq (void) -{ - vpd_packet_t *packet; - ulong *p; - - packet = vpd_find_packet (VPD_PID_RCS); - p = (ulong *)packet->data; - return *p; -} -#endif - -static void board_get_enetaddr(uchar *addr) -{ - int i; - vpd_packet_t *packet; - - packet = vpd_find_packet (VPD_PID_EA); - for (i = 0; i < 6; i++) - addr[i] = packet->data[i]; -} - -int misc_init_r(void) -{ - uchar enetaddr[6]; - - if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { - board_get_enetaddr(enetaddr); - eth_setenv_enetaddr("ethaddr", enetaddr); - } - - return 0; -} - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - vpd_packet_t *packet; - int i; - const char *const fmt = - "\n *** Warning: Low Battery Status - %s Battery ***"; - - puts ("Board: "); - - packet = vpd_find_packet (VPD_PID_PID); - for (i = 0; i < packet->size; i++) { - serial_putc (packet->data[i]); - } - packet = vpd_find_packet (VPD_PID_MT); - for (i = 0; i < packet->size; i++) { - serial_putc (packet->data[i]); - } - serial_putc ('('); - packet = vpd_find_packet (VPD_PID_FAN); - for (i = 0; i < packet->size; i++) { - serial_putc (packet->data[i]); - } - serial_putc (')'); - - if (!(MBX_CSR2 & SR2_BATGD)) - printf (fmt, "On-Board"); - if (!(MBX_CSR2 & SR2_NVBATGD)) - printf (fmt, "NVRAM"); - - serial_putc ('\n'); - - return (0); -} - -/* ------------------------------------------------------------------------- */ - -static ulong get_ramsize (dimm_t * dimm) -{ - ulong size = 0; - - if (dimm->fmt == 1 || dimm->fmt == 2 || dimm->fmt == 3 - || dimm->fmt == 4) { - size = (1 << (dimm->n_row + dimm->n_col)) * dimm->n_banks * - ((dimm->data_w_hi << 8 | dimm->data_w_lo) / 8); - } - - return size; -} - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - unsigned long ram_sz = 0; - unsigned long dimm_sz = 0; - dimm_t vpd_dimm, vpd_dram; - unsigned int speed = board_get_cpufreq () / 1000000; - - if (vpd_read (0xa2, (uchar *) & vpd_dimm, sizeof (vpd_dimm), 0) > 0) { - dimm_sz = get_ramsize (&vpd_dimm); - } - if (vpd_read (0xa6, (uchar *) & vpd_dram, sizeof (vpd_dram), 0) > 0) { - ram_sz = get_ramsize (&vpd_dram); - } - - /* - * Only initialize memory controller when running from FLASH. - * When running from RAM, don't touch it. - */ - if ((ulong) initdram & 0xff000000) { - ulong dimm_bank; - ulong br0_32 = memctl->memc_br0 & 0x400; - - switch (speed) { - case 40: - upmconfig (UPMA, (uint *) sdram_table_40, - sizeof (sdram_table_40) / sizeof (uint)); - memctl->memc_mptpr = 0x0200; - memctl->memc_mamr = dimm_sz ? 0x06801000 : 0x13801000; - memctl->memc_or7 = 0xff800930; - memctl->memc_br7 = 0xfc000000 | (br0_32 ^ br0_32) | 1; - break; - case 50: - upmconfig (UPMA, (uint *) sdram_table_50, - sizeof (sdram_table_50) / sizeof (uint)); - memctl->memc_mptpr = 0x0200; - memctl->memc_mamr = dimm_sz ? 0x08801000 : 0x1880100; - memctl->memc_or7 = 0xff800940; - memctl->memc_br7 = 0xfc000000 | (br0_32 ^ br0_32) | 1; - break; - default: - hang (); - break; - } - - /* now map ram and dimm, largest one first */ - dimm_bank = dimm_sz / 2; - if (!dimm_sz) { - memctl->memc_or1 = ~(ram_sz - 1) | 0x400; - memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | 0x81; - memctl->memc_br2 = 0; - memctl->memc_br3 = 0; - } else if (ram_sz > dimm_bank) { - memctl->memc_or1 = ~(ram_sz - 1) | 0x400; - memctl->memc_br1 = CONFIG_SYS_SDRAM_BASE | 0x81; - memctl->memc_or2 = ~(dimm_bank - 1) | 0x400; - memctl->memc_br2 = (CONFIG_SYS_SDRAM_BASE + ram_sz) | 0x81; - memctl->memc_or3 = ~(dimm_bank - 1) | 0x400; - memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE + ram_sz + dimm_bank) \ - | 0x81; - } else { - memctl->memc_or2 = ~(dimm_bank - 1) | 0x400; - memctl->memc_br2 = CONFIG_SYS_SDRAM_BASE | 0x81; - memctl->memc_or3 = ~(dimm_bank - 1) | 0x400; - memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE + dimm_bank) | 0x81; - memctl->memc_or1 = ~(ram_sz - 1) | 0x400; - memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE + dimm_sz) | 0x81; - } - } - - return ram_sz + dimm_sz; -} diff --git a/board/mbx8xx/pcmcia.c b/board/mbx8xx/pcmcia.c deleted file mode 100644 index 497e260..0000000 --- a/board/mbx8xx/pcmcia.c +++ /dev/null @@ -1,156 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <pcmcia.h> - -#include "csr.h" - -#undef CONFIG_PCMCIA - -#if defined(CONFIG_CMD_PCMCIA) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define CONFIG_PCMCIA -#endif - -#ifdef CONFIG_PCMCIA - -/* A lot of this has been taken from the RPX code in this file it works from me. - I have added the voltage selection for the MBX board. */ - -/* MBX voltage bit in control register #2 */ -#define CR2_VPP12 ((uchar)0x10) -#define CR2_VPPVDD ((uchar)0x20) -#define CR2_VDD5 ((uchar)0x40) -#define CR2_VDD3 ((uchar)0x80) - -#define PCMCIA_BOARD_MSG "MBX860" - -int pcmcia_voltage_set (int slot, int vcc, int vpp) -{ - uchar reg = 0; - - debug ("voltage_set: PCMCIA_BOARD_MSG Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A' + slot, vcc / 10, vcc % 10, vpp / 10, vcc % 10); - - switch (vcc) { - case 0: - break; - case 33: - reg |= CR2_VDD3; - break; - case 50: - reg |= CR2_VDD5; - break; - default: - return 1; - } - - switch (vpp) { - case 0: - break; - case 33: - case 50: - if (vcc == vpp) { - reg |= CR2_VPPVDD; - } else { - return 1; - } - break; - case 120: - reg |= CR2_VPP12; - break; - default: - return 1; - } - - /* first, turn off all power */ - MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL); - - /* enable new powersettings */ - MBX_CSR2 |= reg; - debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2); - - return (0); -} - -int pcmcia_hardware_enable (int slot) -{ - volatile pcmconf8xx_t *pcmp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", - 'A' + slot); - - udelay (10000); - - pcmp = (pcmconf8xx_t *) (&(((immap_t *) CONFIG_SYS_IMMR)->im_pcmcia)); - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK (_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK (_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - udelay (500); - - /* remove all power */ - pcmcia_voltage_set (slot, 0, 0); - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1 (_slot_) | PCMCIA_VS2 (_slot_); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", reg, - (reg & PCMCIA_VS1 (slot)) ? "n" : "ff", - (reg & PCMCIA_VS2 (slot)) ? "n" : "ff"); - - if ((reg & mask) == mask) { - pcmcia_voltage_set (_slot_, 50, 0); - printf (" 5.0V card found: "); - } else { - pcmcia_voltage_set (_slot_, 33, 0); - printf (" 3.3V card found: "); - } - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX (_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX (_slot_) = reg; - - udelay (250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); - } - -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_hardware_disable (int slot) -{ - return 0; /* No hardware to disable */ -} -#endif - -#endif /* CONFIG_PCMCIA */ diff --git a/board/mbx8xx/u-boot.lds b/board/mbx8xx/u-boot.lds deleted file mode 100644 index 0eb2fba..0000000 --- a/board/mbx8xx/u-boot.lds +++ /dev/null @@ -1,82 +0,0 @@ -/* - * (C) Copyright 2000-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -OUTPUT_ARCH(powerpc) - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .text : - { - arch/powerpc/cpu/mpc8xx/start.o (.text*) - arch/powerpc/cpu/mpc8xx/traps.o (.text*) - - *(.text*) - } - _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/mbx8xx/u-boot.lds.debug b/board/mbx8xx/u-boot.lds.debug deleted file mode 100644 index 7cfed1f..0000000 --- a/board/mbx8xx/u-boot.lds.debug +++ /dev/null @@ -1,122 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -OUTPUT_ARCH(powerpc) -/* Do we need any of these for elf? - __DYNAMIC = 0; */ -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .interp : { *(.interp) } - .hash : { *(.hash) } - .dynsym : { *(.dynsym) } - .dynstr : { *(.dynstr) } - .rel.text : { *(.rel.text) } - .rela.text : { *(.rela.text) } - .rel.data : { *(.rel.data) } - .rela.data : { *(.rela.data) } - .rel.rodata : { *(.rel.rodata) } - .rela.rodata : { *(.rela.rodata) } - .rel.got : { *(.rel.got) } - .rela.got : { *(.rela.got) } - .rel.ctors : { *(.rel.ctors) } - .rela.ctors : { *(.rela.ctors) } - .rel.dtors : { *(.rel.dtors) } - .rela.dtors : { *(.rela.dtors) } - .rel.bss : { *(.rel.bss) } - .rela.bss : { *(.rela.bss) } - .rel.plt : { *(.rel.plt) } - .rela.plt : { *(.rela.plt) } - .init : { *(.init) } - .plt : { *(.plt) } - .text : - { - /* WARNING - the following is hand-optimized to fit within */ - /* the sector layout of our flash chips! XXX FIXME XXX */ - - arch/powerpc/cpu/mpc8xx/start.o (.text) - common/dlmalloc.o (.text) - lib/vsprintf.o (.text) - lib/crc32.o (.text) - arch/powerpc/lib/extable.o (.text) - - . = env_offset; - common/env_embedded.o(.text) - - *(.text) - *(.got1) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(.rodata) - *(.rodata1) - *(.rodata.str1.4) - *(.eh_frame) - } - .fini : { *(.fini) } =0 - .ctors : { *(.ctors) } - .dtors : { *(.dtors) } - - /* Read-write section, merged into data segment: */ - . = (. + 0x0FFF) & 0xFFFFF000; - _erotext = .; - PROVIDE (erotext = .); - .reloc : - { - *(.got) - _GOT2_TABLE_ = .; - *(.got2) - _FIXUP_TABLE_ = .; - *(.fixup) - } - __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data) - *(.data1) - *(.sdata) - *(.sdata2) - *(.dynamic) - CONSTRUCTORS - } - _edata = .; - PROVIDE (edata = .); - - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(4096); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(4096); - __init_end = .; - - __bss_start = .; - .bss : - { - *(.sbss) *(.scommon) - *(.dynbss) - *(.bss) - *(COMMON) - } - __bss_end = . ; - PROVIDE (end = .); -} diff --git a/board/mbx8xx/vpd.c b/board/mbx8xx/vpd.c deleted file mode 100644 index 1ba754e..0000000 --- a/board/mbx8xx/vpd.c +++ /dev/null @@ -1,180 +0,0 @@ -/* - * (C) Copyright 2000 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * Code in faintly related to linux/arch/powerpc/8xx_io: - * MPC8xx CPM I2C interface. Copyright (c) 1999 Dan Malek (dmalek@jlc.net). - * - * This file implements functions to read the MBX's Vital Product Data - * (VPD). I can't use the more general i2c code in mpc8xx/... since I need - * the VPD at a time where there is no RAM available yet. Hence the VPD is - * read into a special area in the DPRAM (see config_MBX.h::CFG_DPRAMVPD). - * - * ----------------------------------------------------------------- - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#ifdef CONFIG_8xx -#include <commproc.h> -#endif -#include "vpd.h" - -/* Location of receive/transmit buffer descriptors - * Allocate one transmit bd and one receive bd. - * IIC_BD_FREE points to free bd space which we'll use as tx buffer. - */ -#define IIC_BD_TX1 (BD_IIC_START + 0*sizeof(cbd_t)) -#define IIC_BD_TX2 (BD_IIC_START + 1*sizeof(cbd_t)) -#define IIC_BD_RX (BD_IIC_START + 2*sizeof(cbd_t)) -#define IIC_BD_FREE (BD_IIC_START + 3*sizeof(cbd_t)) - -/* FIXME -- replace 0x2000 with offsetof */ -#define VPD_P ((vpd_t *)(CONFIG_SYS_IMMR + 0x2000 + CONFIG_SYS_DPRAMVPD)) - -/* transmit/receive buffers */ -#define IIC_RX_LENGTH 128 - -#define WITH_MICROCODE_PATCH - -vpd_packet_t * vpd_find_packet(u_char ident) -{ - vpd_packet_t *packet; - vpd_t *vpd = VPD_P; - - packet = (vpd_packet_t *)&vpd->packets; - while ((packet->identifier != ident) && packet->identifier != 0xFF) - { - packet = (vpd_packet_t *)((char *)packet + packet->size + 2); - } - return packet; -} - -void vpd_init(void) -{ - volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; - volatile cpm8xx_t *cp = &(im->im_cpm); - volatile i2c8xx_t *i2c = (i2c8xx_t *)&(im->im_i2c); - volatile iic_t *iip; -#ifdef WITH_MICROCODE_PATCH - ulong reloc = 0; -#endif - - iip = (iic_t *)&cp->cp_dparam[PROFF_IIC]; - - /* - * kludge: when running from flash, no microcode patch can be - * installed. However, the DPMEM usually contains non-zero - * garbage at the relocatable patch base location, so lets clear - * it now. This way the rest of the code can support the microcode - * patch dynamically. - */ - if ((ulong)vpd_init & 0xff000000) - iip->iic_rpbase = 0; - -#ifdef WITH_MICROCODE_PATCH - /* Check for and use a microcode relocation patch. */ - if ((reloc = iip->iic_rpbase)) - iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase]; -#endif - /* Initialize Port B IIC pins */ - cp->cp_pbpar |= 0x00000030; - cp->cp_pbdir |= 0x00000030; - cp->cp_pbodr |= 0x00000030; - - i2c->i2c_i2mod = 0x04; /* filter clock */ - i2c->i2c_i2add = 0x34; /* select an arbitrary (unique) address */ - i2c->i2c_i2brg = 0x07; /* make clock run maximum slow */ - i2c->i2c_i2cmr = 0x00; /* disable interrupts */ - i2c->i2c_i2cer = 0x1f; /* clear events */ - i2c->i2c_i2com = 0x01; /* configure i2c to work as master */ - - if (vpd_read(0xa4, (uchar*)VPD_P, VPD_EEPROM_SIZE, 0) != VPD_EEPROM_SIZE) - { - hang(); - } -} - - -/* Read from I2C. - * This is a two step process. First, we send the "dummy" write - * to set the device offset for the read. Second, we perform - * the read operation. - */ -int vpd_read(uint iic_device, uchar *buf, int count, int offset) -{ - volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; - volatile cpm8xx_t *cp = &(im->im_cpm); - volatile i2c8xx_t *i2c = (i2c8xx_t *)&(im->im_i2c); - volatile iic_t *iip; - volatile cbd_t *tbdf1, *tbdf2, *rbdf; - uchar *tb; - uchar event; -#ifdef WITH_MICROCODE_PATCH - ulong reloc = 0; -#endif - - iip = (iic_t *)&cp->cp_dparam[PROFF_IIC]; -#ifdef WITH_MICROCODE_PATCH - /* Check for and use a microcode relocation patch. */ - if ((reloc = iip->iic_rpbase)) - iip = (iic_t *)&cp->cp_dpmem[iip->iic_rpbase]; -#endif - tbdf1 = (cbd_t *)&cp->cp_dpmem[IIC_BD_TX1]; - tbdf2 = (cbd_t *)&cp->cp_dpmem[IIC_BD_TX2]; - rbdf = (cbd_t *)&cp->cp_dpmem[IIC_BD_RX]; - - /* Send a "dummy write" operation. This is a write request with - * only the offset sent, followed by another start condition. - * This will ensure we start reading from the first location - * of the EEPROM. - */ - tb = (uchar*)&cp->cp_dpmem[IIC_BD_FREE]; - tb[0] = iic_device & 0xfe; /* device address */ - tb[1] = offset; /* offset */ - tbdf1->cbd_bufaddr = (uint)tb; - tbdf1->cbd_datlen = 2; - tbdf1->cbd_sc = 0x8400; - - tb += 2; - tb[0] = iic_device | 1; /* device address */ - tbdf2->cbd_bufaddr = (uint)tb; - tbdf2->cbd_datlen = count+1; - tbdf2->cbd_sc = 0xbc00; - - rbdf->cbd_bufaddr = (uint)buf; - rbdf->cbd_datlen = 0; - rbdf->cbd_sc = 0xb000; - - iip->iic_tbase = IIC_BD_TX1; - iip->iic_tbptr = IIC_BD_TX1; - iip->iic_rbase = IIC_BD_RX; - iip->iic_rbptr = IIC_BD_RX; - iip->iic_rfcr = 0x15; - iip->iic_tfcr = 0x15; - iip->iic_mrblr = count; - iip->iic_rstate = 0; - iip->iic_tstate = 0; - - i2c->i2c_i2cer = 0x1f; /* clear event mask */ - i2c->i2c_i2mod |= 1; /* enable iic operation */ - i2c->i2c_i2com |= 0x80; /* start master */ - - /* wait for IIC transfer */ - do { - __asm__ volatile ("eieio"); - event = i2c->i2c_i2cer; - } while (event == 0); - - if ((event & 0x10) || (event & 0x04)) { - count = -1; - goto bailout; - } - -bailout: - i2c->i2c_i2mod &= ~1; /* turn off iic operation */ - i2c->i2c_i2cer = 0x1f; /* clear event mask */ - - return count; -} diff --git a/board/mbx8xx/vpd.h b/board/mbx8xx/vpd.h deleted file mode 100644 index 1d9eb7f..0000000 --- a/board/mbx8xx/vpd.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef __vpd_h -#define __vpd_h - -/* - * Module name: %M% - * Description: - * Vital Product Data (VPD) Header Module - * SCCS identification: %I% - * Branch: %B% - * Sequence: %S% - * Date newest applied delta was created (MM/DD/YY): %G% - * Time newest applied delta was created (HH:MM:SS): %U% - * SCCS file name %F% - * Fully qualified SCCS file name: - * %P% - * Copyright: - * (C) COPYRIGHT MOTOROLA, INC. 1996 - * ALL RIGHTS RESERVED - * Notes: - * History: - * Date Who - * - * 10/24/96 Rob Baxter - * Initial release. - * - */ - -#define VPD_EEPROM_SIZE 256 /* EEPROM size in bytes */ - -/* - * packet tuple identifiers - * - * 0x0D - 0xBF reserved - * 0xC0 - 0xFE user defined - */ -#define VPD_PID_GI 0x00 /* guaranteed illegal */ -#define VPD_PID_PID 0x01 /* product identifier (ASCII) */ -#define VPD_PID_FAN 0x02 /* factory assembly-number (ASCII) */ -#define VPD_PID_SN 0x03 /* serial-number (ASCII) */ -#define VPD_PID_PCO 0x04 /* product configuration options(binary) */ -#define VPD_PID_ICS 0x05 /* internal clock speed in HZ (integer) */ -#define VPD_PID_ECS 0x06 /* external clock speed in HZ (integer) */ -#define VPD_PID_RCS 0x07 /* reference clock speed in HZ(integer) */ -#define VPD_PID_EA 0x08 /* ethernet address (binary) */ -#define VPD_PID_MT 0x09 /* microprocessor type (ASCII) */ -#define VPD_PID_CRC 0x0A /* EEPROM CRC (integer) */ -#define VPD_PID_FMC 0x0B /* FLASH memory configuration (binary) */ -#define VPD_PID_VLSI 0x0C /* VLSI revisions/versions (binary) */ -#define VPD_PID_TERM 0xFF /* termination */ - -/* - * VPD structure (format) - */ -#define VPD_EYE_SIZE 8 /* eyecatcher size */ -typedef struct vpd_header -{ - uchar eyecatcher[VPD_EYE_SIZE]; /* eyecatcher - "MOTOROLA" */ - ushort size; /* size of EEPROM */ -} vpd_header_t; - -#define VPD_DATA_SIZE (VPD_EEPROM_SIZE-sizeof(vpd_header_t)) -typedef struct vpd -{ - vpd_header_t header; /* header */ - uchar packets[VPD_DATA_SIZE]; /* data */ -} vpd_t; - -/* - * packet tuple structure (format) - */ -typedef struct vpd_packet -{ - uchar identifier; /* identifier (PIDs above) */ - uchar size; /* size of the following data area */ - uchar data[1]; /* data (size is dependent upon PID) */ -} vpd_packet_t; - -/* - * MBX product configuration options bit definitions - * - * Notes: - * 1. The bit numbering is reversed in perspective with the C compiler. - */ -#define PCO_BBRAM (1<<0) /* battery-backed RAM (BBRAM) and socket */ -#define PCO_BOOTROM (1<<1) /* boot ROM and socket (i.e., socketed FLASH) */ -#define PCO_KAPWR (1<<2) /* keep alive power source (lithium battey) and control circuit */ -#define PCO_ENET_TP (1<<3) /* ethernet twisted pair (TP) connector (RJ45) */ -#define PCO_ENET_AUI (1<<4) /* ethernet attachment unit interface (AUI) header */ -#define PCO_PCMCIA (1<<5) /* PCMCIA socket */ -#define PCO_DIMM (1<<6) /* DIMM module socket */ -#define PCO_DTT (1<<7) /* digital thermometer and thermostat (DTT) device */ -#define PCO_LCD (1<<8) /* liquid crystal display (LCD) device */ -#define PCO_PCI (1<<9) /* PCI-Bus bridge device (QSpan) and ISA-Bus bridge device (Winbond) */ -#define PCO_PCIO (1<<10) /* PC I/O (COM1, COM2, FDC, LPT, Keyboard/Mouse) */ -#define PCO_EIDE (1<<11) /* enhanced IDE (EIDE) header */ -#define PCO_FDC (1<<12) /* floppy disk controller (FDC) header */ -#define PCO_LPT_8XX (1<<13) /* parallel port header via MPC8xx */ -#define PCO_LPT_PCIO (1<<14) /* parallel port header via PC I/O */ - -/* - * FLASH memory configuration packet data - */ -typedef struct vpd_fmc -{ - ushort mid; /* manufacturer's idenitfier */ - ushort did; /* manufacturer's device idenitfier */ - uchar ddw; /* device data width (e.g., 8-bits, 16-bits) */ - uchar nod; /* number of devices present */ - uchar noc; /* number of columns */ - uchar cw; /* column width in bits */ - uchar wedw; /* write/erase data width */ -} vpd_fmc_t; - -/* function prototypes */ -extern void vpd_init(void); -extern int vpd_read(uint iic_device, uchar *buf, int count, int offset); -extern vpd_packet_t *vpd_find_packet(u_char ident); - -#endif /* __vpd_h */ |