diff options
Diffstat (limited to 'cpu/ppc4xx')
-rw-r--r-- | cpu/ppc4xx/40x_spd_sdram.c | 2 | ||||
-rw-r--r-- | cpu/ppc4xx/440spe_pcie.h | 174 | ||||
-rw-r--r-- | cpu/ppc4xx/44x_spd_ddr.c | 15 | ||||
-rw-r--r-- | cpu/ppc4xx/44x_spd_ddr2.c | 31 | ||||
-rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 360 | ||||
-rw-r--r-- | cpu/ppc4xx/4xx_pci.c (renamed from cpu/ppc4xx/405gp_pci.c) | 13 | ||||
-rw-r--r-- | cpu/ppc4xx/4xx_pcie.c (renamed from cpu/ppc4xx/440spe_pcie.c) | 849 | ||||
-rw-r--r-- | cpu/ppc4xx/4xx_uart.c (renamed from cpu/ppc4xx/serial.c) | 541 | ||||
-rw-r--r-- | cpu/ppc4xx/Makefile | 41 | ||||
-rw-r--r-- | cpu/ppc4xx/cache.S | 233 | ||||
-rw-r--r-- | cpu/ppc4xx/cpu.c | 114 | ||||
-rw-r--r-- | cpu/ppc4xx/cpu_init.c | 18 | ||||
-rw-r--r-- | cpu/ppc4xx/fdt.c | 178 | ||||
-rw-r--r-- | cpu/ppc4xx/gpio.c | 134 | ||||
-rw-r--r-- | cpu/ppc4xx/interrupts.c | 20 | ||||
-rw-r--r-- | cpu/ppc4xx/iop480_uart.c | 238 | ||||
-rw-r--r-- | cpu/ppc4xx/kgdb.S | 8 | ||||
-rw-r--r-- | cpu/ppc4xx/miiphy.c | 49 | ||||
-rw-r--r-- | cpu/ppc4xx/ndfc.c | 3 | ||||
-rw-r--r-- | cpu/ppc4xx/speed.c | 233 | ||||
-rw-r--r-- | cpu/ppc4xx/start.S | 211 | ||||
-rw-r--r-- | cpu/ppc4xx/tlb.c | 88 | ||||
-rw-r--r-- | cpu/ppc4xx/usb.c | 18 | ||||
-rw-r--r-- | cpu/ppc4xx/vecnum.h | 104 |
24 files changed, 2146 insertions, 1529 deletions
diff --git a/cpu/ppc4xx/40x_spd_sdram.c b/cpu/ppc4xx/40x_spd_sdram.c index 19c4f76..42fd7fb 100644 --- a/cpu/ppc4xx/40x_spd_sdram.c +++ b/cpu/ppc4xx/40x_spd_sdram.c @@ -148,7 +148,7 @@ long int spd_sdram(int(read_spd)(uint addr)) int t_rc; int min_cas; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; unsigned long bus_period_x_10; /* diff --git a/cpu/ppc4xx/440spe_pcie.h b/cpu/ppc4xx/440spe_pcie.h deleted file mode 100644 index 38745eb..0000000 --- a/cpu/ppc4xx/440spe_pcie.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (c) 2005 Cisco Systems. All rights reserved. - * Roland Dreier <rolandd@cisco.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <ppc4xx.h> -#ifndef __440SPE_PCIE_H -#define __440SPE_PCIE_H - -#define mdelay(n) ({unsigned long __ms=(n); while (__ms--) udelay(1000);}) - -#define DCRN_SDR0_CFGADDR 0x00e -#define DCRN_SDR0_CFGDATA 0x00f - -#define DCRN_PCIE0_BASE 0x100 -#define DCRN_PCIE1_BASE 0x120 -#define DCRN_PCIE2_BASE 0x140 -#define PCIE0 DCRN_PCIE0_BASE -#define PCIE1 DCRN_PCIE1_BASE -#define PCIE2 DCRN_PCIE2_BASE - -#define DCRN_PEGPL_CFGBAH(base) (base + 0x00) -#define DCRN_PEGPL_CFGBAL(base) (base + 0x01) -#define DCRN_PEGPL_CFGMSK(base) (base + 0x02) -#define DCRN_PEGPL_MSGBAH(base) (base + 0x03) -#define DCRN_PEGPL_MSGBAL(base) (base + 0x04) -#define DCRN_PEGPL_MSGMSK(base) (base + 0x05) -#define DCRN_PEGPL_OMR1BAH(base) (base + 0x06) -#define DCRN_PEGPL_OMR1BAL(base) (base + 0x07) -#define DCRN_PEGPL_OMR1MSKH(base) (base + 0x08) -#define DCRN_PEGPL_OMR1MSKL(base) (base + 0x09) -#define DCRN_PEGPL_REGBAH(base) (base + 0x12) -#define DCRN_PEGPL_REGBAL(base) (base + 0x13) -#define DCRN_PEGPL_REGMSK(base) (base + 0x14) -#define DCRN_PEGPL_SPECIAL(base) (base + 0x15) -#define DCRN_PEGPL_CFG(base) (base + 0x16) - -/* - * System DCRs (SDRs) - */ -#define PESDR0_PLLLCT1 0x03a0 -#define PESDR0_PLLLCT2 0x03a1 -#define PESDR0_PLLLCT3 0x03a2 - -#define PESDR0_UTLSET1 0x0300 -#define PESDR0_UTLSET2 0x0301 -#define PESDR0_DLPSET 0x0302 -#define PESDR0_LOOP 0x0303 -#define PESDR0_RCSSET 0x0304 -#define PESDR0_RCSSTS 0x0305 -#define PESDR0_HSSL0SET1 0x0306 -#define PESDR0_HSSL0SET2 0x0307 -#define PESDR0_HSSL0STS 0x0308 -#define PESDR0_HSSL1SET1 0x0309 -#define PESDR0_HSSL1SET2 0x030a -#define PESDR0_HSSL1STS 0x030b -#define PESDR0_HSSL2SET1 0x030c -#define PESDR0_HSSL2SET2 0x030d -#define PESDR0_HSSL2STS 0x030e -#define PESDR0_HSSL3SET1 0x030f -#define PESDR0_HSSL3SET2 0x0310 -#define PESDR0_HSSL3STS 0x0311 -#define PESDR0_HSSL4SET1 0x0312 -#define PESDR0_HSSL4SET2 0x0313 -#define PESDR0_HSSL4STS 0x0314 -#define PESDR0_HSSL5SET1 0x0315 -#define PESDR0_HSSL5SET2 0x0316 -#define PESDR0_HSSL5STS 0x0317 -#define PESDR0_HSSL6SET1 0x0318 -#define PESDR0_HSSL6SET2 0x0319 -#define PESDR0_HSSL6STS 0x031a -#define PESDR0_HSSL7SET1 0x031b -#define PESDR0_HSSL7SET2 0x031c -#define PESDR0_HSSL7STS 0x031d -#define PESDR0_HSSCTLSET 0x031e -#define PESDR0_LANE_ABCD 0x031f -#define PESDR0_LANE_EFGH 0x0320 - -#define PESDR1_UTLSET1 0x0340 -#define PESDR1_UTLSET2 0x0341 -#define PESDR1_DLPSET 0x0342 -#define PESDR1_LOOP 0x0343 -#define PESDR1_RCSSET 0x0344 -#define PESDR1_RCSSTS 0x0345 -#define PESDR1_HSSL0SET1 0x0346 -#define PESDR1_HSSL0SET2 0x0347 -#define PESDR1_HSSL0STS 0x0348 -#define PESDR1_HSSL1SET1 0x0349 -#define PESDR1_HSSL1SET2 0x034a -#define PESDR1_HSSL1STS 0x034b -#define PESDR1_HSSL2SET1 0x034c -#define PESDR1_HSSL2SET2 0x034d -#define PESDR1_HSSL2STS 0x034e -#define PESDR1_HSSL3SET1 0x034f -#define PESDR1_HSSL3SET2 0x0350 -#define PESDR1_HSSL3STS 0x0351 -#define PESDR1_HSSCTLSET 0x0352 -#define PESDR1_LANE_ABCD 0x0353 - -#define PESDR2_UTLSET1 0x0370 -#define PESDR2_UTLSET2 0x0371 -#define PESDR2_DLPSET 0x0372 -#define PESDR2_LOOP 0x0373 -#define PESDR2_RCSSET 0x0374 -#define PESDR2_RCSSTS 0x0375 -#define PESDR2_HSSL0SET1 0x0376 -#define PESDR2_HSSL0SET2 0x0377 -#define PESDR2_HSSL0STS 0x0378 -#define PESDR2_HSSL1SET1 0x0379 -#define PESDR2_HSSL1SET2 0x037a -#define PESDR2_HSSL1STS 0x037b -#define PESDR2_HSSL2SET1 0x037c -#define PESDR2_HSSL2SET2 0x037d -#define PESDR2_HSSL2STS 0x037e -#define PESDR2_HSSL3SET1 0x037f -#define PESDR2_HSSL3SET2 0x0380 -#define PESDR2_HSSL3STS 0x0381 -#define PESDR2_HSSCTLSET 0x0382 -#define PESDR2_LANE_ABCD 0x0383 - -/* - * UTL register offsets - */ -#define PEUTL_PBBSZ 0x20 -#define PEUTL_OPDBSZ 0x68 -#define PEUTL_IPHBSZ 0x70 -#define PEUTL_IPDBSZ 0x78 -#define PEUTL_OUTTR 0x90 -#define PEUTL_INTR 0x98 -#define PEUTL_PCTL 0xa0 -#define PEUTL_RCIRQEN 0xb8 - -/* - * Config space register offsets - */ -#define PECFG_BAR0LMPA 0x210 -#define PECFG_BAR0HMPA 0x214 -#define PECFG_BAR1MPA 0x218 -#define PECFG_BAR2MPA 0x220 - -#define PECFG_PIMEN 0x33c -#define PECFG_PIM0LAL 0x340 -#define PECFG_PIM0LAH 0x344 -#define PECFG_PIM1LAL 0x348 -#define PECFG_PIM1LAH 0x34c -#define PECFG_PIM01SAL 0x350 -#define PECFG_PIM01SAH 0x354 - -#define PECFG_POM0LAL 0x380 -#define PECFG_POM0LAH 0x384 - -#define SDR_READ(offset) ({\ - mtdcr(DCRN_SDR0_CFGADDR, offset); \ - mfdcr(DCRN_SDR0_CFGDATA);}) - -#define SDR_WRITE(offset, data) ({\ - mtdcr(DCRN_SDR0_CFGADDR, offset); \ - mtdcr(DCRN_SDR0_CFGDATA,data);}) - -#define GPL_DMER_MASK_DISA 0x02000000 - -int ppc440spe_init_pcie(void); -int ppc440spe_init_pcie_rootport(int port); -void yucca_setup_pcie_fpga_rootpoint(int port); -void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port); -int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port); -int yucca_pcie_card_present(int port); -int pcie_hose_scan(struct pci_controller *hose, int bus); -#endif /* __440SPE_PCIE_H */ diff --git a/cpu/ppc4xx/44x_spd_ddr.c b/cpu/ppc4xx/44x_spd_ddr.c index 4a4c6f2..b9cf5cb 100644 --- a/cpu/ppc4xx/44x_spd_ddr.c +++ b/cpu/ppc4xx/44x_spd_ddr.c @@ -251,10 +251,10 @@ void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang")) * memory. * * If at some time this restriction doesn't apply anymore, just define - * CFG_ENABLE_SDRAM_CACHE in the board config file and this code should setup + * CONFIG_4xx_DCACHE in the board config file and this code should setup * everything correctly. */ -#ifdef CFG_ENABLE_SDRAM_CACHE +#ifdef CONFIG_4xx_DCACHE #define MY_TLB_WORD2_I_ENABLE 0 /* enable caching on SDRAM */ #else #define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */ @@ -345,7 +345,7 @@ long int spd_sdram(void) { */ check_volt_type(dimm_populated, iic0_dimm_addr, num_dimm_banks); -#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP) +#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) /* * Soft-reset SDRAM controller. */ @@ -645,7 +645,7 @@ static void program_rtr(unsigned long *dimm_populated, unsigned char refresh_rate_type; unsigned long refresh_interval; unsigned long sdram_rtr; - PPC440_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; /* * get the board info @@ -721,7 +721,7 @@ static void program_tr0(unsigned long *dimm_populated, unsigned long tcyc_2_0_ns_x_10; unsigned long tcyc_reg; unsigned long bus_period_x_10; - PPC440_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; unsigned long residue; /* @@ -1065,7 +1065,7 @@ static void program_tr1(void) unsigned char window_found; unsigned char fail_found; unsigned char pass_found; - PPC440_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; /* * get the board info @@ -1197,9 +1197,6 @@ static void program_tr1(void) } rdclt_average = ((max_start + max_end) >> 1); - if (rdclt_average >= 0x60) - while (1) - ; if (rdclt_average < 0) { rdclt_average = 0; diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index 67ba5bd..e199294 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -120,10 +120,10 @@ * memory. * * If at some time this restriction doesn't apply anymore, just define - * CFG_ENABLE_SDRAM_CACHE in the board config file and this code should setup + * CONFIG_4xx_DCACHE in the board config file and this code should setup * everything correctly. */ -#ifdef CFG_ENABLE_SDRAM_CACHE +#ifdef CONFIG_4xx_DCACHE #define MY_TLB_WORD2_I_ENABLE 0 /* enable caching on SDRAM */ #else #define MY_TLB_WORD2_I_ENABLE TLB_WORD2_I_ENABLE /* disable caching on SDRAM */ @@ -623,7 +623,7 @@ static void get_spd_info(unsigned long *dimm_populated, void board_add_ram_info(int use_default) { - PPC440_SYS_INFO board_cfg; + PPC4xx_SYS_INFO board_cfg; u32 val; if (is_ecc_enabled()) @@ -741,7 +741,7 @@ static void check_frequency(unsigned long *dimm_populated, unsigned long calc_cycle_time; unsigned long sdram_freq; unsigned long sdr_ddrpll; - PPC440_SYS_INFO board_cfg; + PPC4xx_SYS_INFO board_cfg; /*------------------------------------------------------------------ * Get the board configuration info. @@ -1353,7 +1353,7 @@ static void program_mode(unsigned long *dimm_populated, unsigned long max_4_0_tcyc_ns_x_100; unsigned long max_5_0_tcyc_ns_x_100; unsigned long cycle_time_ns_x_100[3]; - PPC440_SYS_INFO board_cfg; + PPC4xx_SYS_INFO board_cfg; unsigned char cas_2_0_available; unsigned char cas_2_5_available; unsigned char cas_3_0_available; @@ -1640,7 +1640,7 @@ static void program_rtr(unsigned long *dimm_populated, unsigned char *iic0_dimm_addr, unsigned long num_dimm_banks) { - PPC440_SYS_INFO board_cfg; + PPC4xx_SYS_INFO board_cfg; unsigned long max_refresh_rate; unsigned long dimm_num; unsigned long refresh_rate_type; @@ -1737,7 +1737,7 @@ static void program_tr(unsigned long *dimm_populated, unsigned long sdram_freq; unsigned long sdr_ddrpll; - PPC440_SYS_INFO board_cfg; + PPC4xx_SYS_INFO board_cfg; /*------------------------------------------------------------------ * Get the board configuration info. @@ -2048,14 +2048,10 @@ static void program_bxcf(unsigned long *dimm_populated, /*------------------------------------------------------------------ * Set the BxCF regs. First, wipe out the bank config registers. *-----------------------------------------------------------------*/ - mtdcr(SDRAMC_CFGADDR, SDRAM_MB0CF); - mtdcr(SDRAMC_CFGDATA, 0x00000000); - mtdcr(SDRAMC_CFGADDR, SDRAM_MB1CF); - mtdcr(SDRAMC_CFGDATA, 0x00000000); - mtdcr(SDRAMC_CFGADDR, SDRAM_MB2CF); - mtdcr(SDRAMC_CFGDATA, 0x00000000); - mtdcr(SDRAMC_CFGADDR, SDRAM_MB3CF); - mtdcr(SDRAMC_CFGDATA, 0x00000000); + mtsdram(SDRAM_MB0CF, 0x00000000); + mtsdram(SDRAM_MB1CF, 0x00000000); + mtsdram(SDRAM_MB2CF, 0x00000000); + mtsdram(SDRAM_MB3CF, 0x00000000); mode = SDRAM_BXCF_M_BE_ENABLE; @@ -2107,8 +2103,9 @@ static void program_bxcf(unsigned long *dimm_populated, bank_0_populated = 1; for (ind_rank = 0; ind_rank < num_ranks; ind_rank++) { - mtdcr(SDRAMC_CFGADDR, SDRAM_MB0CF + ((dimm_num + bank_0_populated + ind_rank) << 2)); - mtdcr(SDRAMC_CFGDATA, mode); + mtsdram(SDRAM_MB0CF + + ((dimm_num + bank_0_populated + ind_rank) << 2), + mode); } } } diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 71a9e37..c20dc73 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -81,6 +81,9 @@ #include <common.h> #include <net.h> #include <asm/processor.h> +#include <asm/io.h> +#include <asm/cache.h> +#include <asm/mmu.h> #include <commproc.h> #include <ppc4xx.h> #include <ppc4xx_enet.h> @@ -105,7 +108,7 @@ #endif #define EMAC_RESET_TIMEOUT 1000 /* 1000 ms reset timeout */ -#define PHY_AUTONEGOTIATE_TIMEOUT 4000 /* 4000 ms autonegotiate timeout */ +#define PHY_AUTONEGOTIATE_TIMEOUT 5000 /* 5000 ms autonegotiate timeout */ /* Ethernet Transmit and Receive Buffers */ /* AS.HARNOIS @@ -133,13 +136,15 @@ #define BI_PHYMODE_GMII 3 #define BI_PHYMODE_RTBI 4 #define BI_PHYMODE_TBI 5 -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) #define BI_PHYMODE_SMII 6 #define BI_PHYMODE_MII 7 #endif -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || \ - defined(CONFIG_440GRX) || defined(CONFIG_440SP) +#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1)) #endif @@ -156,7 +161,14 @@ struct eth_device *emac0_dev = NULL; /* * Get count of EMAC devices (doesn't have to be the max. possible number * supported by the cpu) + * + * CONFIG_BOARD_EMAC_COUNT added so now a "dynamic" way to configure the + * EMAC count is possible. As it is needed for the Kilauea/Haleakala + * 405EX/405EXr eval board, using the same binary. */ +#if defined(CONFIG_BOARD_EMAC_COUNT) +#define LAST_EMAC_NUM board_emac_count() +#else /* CONFIG_BOARD_EMAC_COUNT */ #if defined(CONFIG_HAS_ETH3) #define LAST_EMAC_NUM 4 #elif defined(CONFIG_HAS_ETH2) @@ -166,12 +178,23 @@ struct eth_device *emac0_dev = NULL; #else #define LAST_EMAC_NUM 1 #endif +#endif /* CONFIG_BOARD_EMAC_COUNT */ /* normal boards start with EMAC0 */ #if !defined(CONFIG_EMAC_NR_START) #define CONFIG_EMAC_NR_START 0 #endif +#if defined(CONFIG_405EX) || defined(CONFIG_440EPX) +#define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev))) +#else +#define ETH_IRQ_NUM(dev) (VECNUM_ETH0 + ((dev) * 2)) +#endif + +#define MAL_RX_DESC_SIZE 2048 +#define MAL_TX_DESC_SIZE 2048 +#define MAL_ALLOC_SIZE (MAL_TX_DESC_SIZE + MAL_RX_DESC_SIZE) + /*-----------------------------------------------------------------------------+ * Prototypes and externals. *-----------------------------------------------------------------------------*/ @@ -189,6 +212,8 @@ extern int emac4xx_miiphy_read (char *devname, unsigned char addr, extern int emac4xx_miiphy_write (char *devname, unsigned char addr, unsigned char reg, unsigned short value); +int board_emac_count(void); + /*-----------------------------------------------------------------------------+ | ppc_4xx_eth_halt | Disable MAL channel, and EMACn @@ -197,11 +222,13 @@ static void ppc_4xx_eth_halt (struct eth_device *dev) { EMAC_4XX_HW_PST hw_p = dev->priv; uint32_t failsafe = 10000; -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) unsigned long mfr; #endif - out32 (EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ + out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ /* 1st reset MAL channel */ /* Note: writing a 0 to a channel has no effect */ @@ -221,16 +248,20 @@ static void ppc_4xx_eth_halt (struct eth_device *dev) } /* EMAC RESET */ -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) /* provide clocks for EMAC internal loopback */ mfsdr (sdr_mfr, mfr); mfr |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); mtsdr(sdr_mfr, mfr); #endif - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); + out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) /* remove clocks for EMAC internal loopback */ mfsdr (sdr_mfr, mfr); mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); @@ -329,8 +360,8 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) /* Ensure we setup mdio for this devnum and ONLY this devnum */ zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum); - out32 (ZMII_FER, zmiifer); - out32 (RGMII_FER, rmiifer); + out_be32((void *)ZMII_FER, zmiifer); + out_be32((void *)RGMII_FER, rmiifer); return ((int)pfc1); } @@ -348,31 +379,31 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) switch (pfc1) { case SDR0_PFC1_SELECT_CONFIG_2: /* 1 x GMII port */ - out32 (ZMII_FER, 0x00); - out32 (RGMII_FER, 0x00000037); + out_be32((void *)ZMII_FER, 0x00); + out_be32((void *)RGMII_FER, 0x00000037); bis->bi_phymode[0] = BI_PHYMODE_GMII; bis->bi_phymode[1] = BI_PHYMODE_NONE; break; case SDR0_PFC1_SELECT_CONFIG_4: /* 2 x RGMII ports */ - out32 (ZMII_FER, 0x00); - out32 (RGMII_FER, 0x00000055); + out_be32((void *)ZMII_FER, 0x00); + out_be32((void *)RGMII_FER, 0x00000055); bis->bi_phymode[0] = BI_PHYMODE_RGMII; bis->bi_phymode[1] = BI_PHYMODE_RGMII; break; case SDR0_PFC1_SELECT_CONFIG_6: /* 2 x SMII ports */ - out32 (ZMII_FER, - ((ZMII_FER_SMII) << ZMII_FER_V(0)) | - ((ZMII_FER_SMII) << ZMII_FER_V(1))); - out32 (RGMII_FER, 0x00000000); + out_be32((void *)ZMII_FER, + ((ZMII_FER_SMII) << ZMII_FER_V(0)) | + ((ZMII_FER_SMII) << ZMII_FER_V(1))); + out_be32((void *)RGMII_FER, 0x00000000); bis->bi_phymode[0] = BI_PHYMODE_SMII; bis->bi_phymode[1] = BI_PHYMODE_SMII; break; case SDR0_PFC1_SELECT_CONFIG_1_2: /* only 1 x MII supported */ - out32 (ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0)); - out32 (RGMII_FER, 0x00000000); + out_be32((void *)ZMII_FER, (ZMII_FER_MII) << ZMII_FER_V(0)); + out_be32((void *)RGMII_FER, 0x00000000); bis->bi_phymode[0] = BI_PHYMODE_MII; bis->bi_phymode[1] = BI_PHYMODE_NONE; break; @@ -381,17 +412,55 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) } /* Ensure we setup mdio for this devnum and ONLY this devnum */ - zmiifer = in32 (ZMII_FER); + zmiifer = in_be32((void *)ZMII_FER); zmiifer |= (ZMII_FER_MDI) << ZMII_FER_V(devnum); - out32 (ZMII_FER, zmiifer); + out_be32((void *)ZMII_FER, zmiifer); return ((int)0x0); } #endif /* CONFIG_440EPX */ +#if defined(CONFIG_405EX) +int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) +{ + u32 gmiifer = 0; + + /* + * Right now only 2*RGMII is supported. Please extend when needed. + * sr - 2007-09-19 + */ + switch (1) { + case 1: + /* 2 x RGMII ports */ + out_be32((void *)RGMII_FER, 0x00000055); + bis->bi_phymode[0] = BI_PHYMODE_RGMII; + bis->bi_phymode[1] = BI_PHYMODE_RGMII; + break; + case 2: + /* 2 x SMII ports */ + break; + default: + break; + } + + /* Ensure we setup mdio for this devnum and ONLY this devnum */ + gmiifer = in_be32((void *)RGMII_FER); + gmiifer |= (1 << (19-devnum)); + out_be32((void *)RGMII_FER, gmiifer); + + return ((int)0x0); +} +#endif /* CONFIG_405EX */ + +static inline void *malloc_aligned(u32 size, u32 align) +{ + return (void *)(((u32)malloc(size + align) + align - 1) & + ~(align - 1)); +} + static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) { - int i, j; + int i; unsigned long reg = 0; unsigned long msr; unsigned long speed; @@ -402,18 +471,22 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) unsigned short reg_short; #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) sys_info_t sysinfo; #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) int ethgroup = -1; #endif #endif #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) unsigned long mfr; #endif - + u32 bd_cached; + u32 bd_uncached = 0; EMAC_4XX_HW_PST hw_p = dev->priv; @@ -426,7 +499,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) /* Need to get the OPB frequency so we can access the PHY */ get_sys_info (&sysinfo); #endif @@ -476,53 +550,57 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) /* NOTE: Therefore, disable all other EMACS, since we handle */ /* NOTE: only one emac at a time */ reg = 0; - out32 (ZMII_FER, 0); + out_be32((void *)ZMII_FER, 0); udelay (100); #if defined(CONFIG_440EP) || defined(CONFIG_440GR) - out32 (ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); + out_be32((void *)ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); #elif defined(CONFIG_440GX) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); #elif defined(CONFIG_440GP) /* set RMII mode */ - out32 (ZMII_FER, ZMII_RMII | ZMII_MDI0); + out_be32((void *)ZMII_FER, ZMII_RMII | ZMII_MDI0); #else if ((devnum == 0) || (devnum == 1)) { - out32 (ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); + out_be32((void *)ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); } else { /* ((devnum == 2) || (devnum == 3)) */ - out32 (ZMII_FER, ZMII_FER_MDI << ZMII_FER_V (devnum)); - out32 (RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) | - (RGMII_FER_RGMII << RGMII_FER_V (3)))); + out_be32((void *)ZMII_FER, ZMII_FER_MDI << ZMII_FER_V (devnum)); + out_be32((void *)RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) | + (RGMII_FER_RGMII << RGMII_FER_V (3)))); } #endif - out32 (ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum)); + out_be32((void *)ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum)); #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ +#if defined(CONFIG_405EX) + ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); +#endif __asm__ volatile ("eieio"); /* reset emac so we have access to the phy */ -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) +#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) /* provide clocks for EMAC internal loopback */ mfsdr (sdr_mfr, mfr); mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum); mtsdr(sdr_mfr, mfr); #endif - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); - __asm__ volatile ("eieio"); + out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); failsafe = 1000; - while ((in32 (EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) { + while ((in_be32((void *)EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) { udelay (1000); failsafe--; } if (failsafe <= 0) printf("\nProblem resetting EMAC!\n"); -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) +#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) /* remove clocks for EMAC internal loopback */ mfsdr (sdr_mfr, mfr); mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum); @@ -531,7 +609,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) /* Whack the M1 register */ mode_reg = 0x0; mode_reg &= ~0x00000038; @@ -545,7 +624,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) else mode_reg |= EMAC_M1_OBCI_GT100; - out32 (EMAC_M1 + hw_p->hw_addr, mode_reg); + out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg); #endif /* defined(CONFIG_440GX) || defined(CONFIG_440SP) */ /* wait for PHY to complete auto negotiation */ @@ -591,7 +670,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) #if defined(CONFIG_CIS8201_PHY) /* @@ -702,11 +782,11 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #endif /* Set ZMII/RGMII speed according to the phy link speed */ - reg = in32 (ZMII_SSR); + reg = in_be32((void *)ZMII_SSR); if ( (speed == 100) || (speed == 1000) ) - out32 (ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum))); + out_be32((void *)ZMII_SSR, reg | (ZMII_SSR_SP << ZMII_SSR_V (devnum))); else - out32 (ZMII_SSR, reg & (~(ZMII_SSR_SP << ZMII_SSR_V (devnum)))); + out_be32((void *)ZMII_SSR, reg & (~(ZMII_SSR_SP << ZMII_SSR_V (devnum)))); if ((devnum == 2) || (devnum == 3)) { if (speed == 1000) @@ -719,11 +799,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) printf("Error in RGMII Speed\n"); return -1; } - out32 (RGMII_SSR, reg); + out_be32((void *)RGMII_SSR, reg); } #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) if (speed == 1000) reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum)); else if (speed == 100) @@ -734,13 +815,14 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) printf("Error in RGMII Speed\n"); return -1; } - out32 (RGMII_SSR, reg); + out_be32((void *)RGMII_SSR, reg); #endif /* set the Mal configuration reg */ #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_405EX) mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); #else @@ -751,91 +833,58 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) } #endif - /* Free "old" buffers */ - if (hw_p->alloc_tx_buf) - free (hw_p->alloc_tx_buf); - if (hw_p->alloc_rx_buf) - free (hw_p->alloc_rx_buf); - /* * Malloc MAL buffer desciptors, make sure they are * aligned on cache line boundary size * (401/403/IOP480 = 16, 405 = 32) * and doesn't cross cache block boundaries. */ - hw_p->alloc_tx_buf = - (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_TX_BUFF) + - ((2 * CFG_CACHELINE_SIZE) - 2)); - if (NULL == hw_p->alloc_tx_buf) - return -1; - if (((int) hw_p->alloc_tx_buf & CACHELINE_MASK) != 0) { - hw_p->tx = - (mal_desc_t *) ((int) hw_p->alloc_tx_buf + - CFG_CACHELINE_SIZE - - ((int) hw_p-> - alloc_tx_buf & CACHELINE_MASK)); - } else { - hw_p->tx = hw_p->alloc_tx_buf; - } + if (hw_p->first_init == 0) { + debug("*** Allocating descriptor memory ***\n"); - hw_p->alloc_rx_buf = - (mal_desc_t *) malloc ((sizeof (mal_desc_t) * NUM_RX_BUFF) + - ((2 * CFG_CACHELINE_SIZE) - 2)); - if (NULL == hw_p->alloc_rx_buf) { - free(hw_p->alloc_tx_buf); - hw_p->alloc_tx_buf = NULL; - return -1; - } + bd_cached = (u32)malloc_aligned(MAL_ALLOC_SIZE, 4096); + if (!bd_cached) { + printf("%s: Error allocating MAL descriptor buffers!\n"); + return -1; + } - if (((int) hw_p->alloc_rx_buf & CACHELINE_MASK) != 0) { - hw_p->rx = - (mal_desc_t *) ((int) hw_p->alloc_rx_buf + - CFG_CACHELINE_SIZE - - ((int) hw_p-> - alloc_rx_buf & CACHELINE_MASK)); - } else { - hw_p->rx = hw_p->alloc_rx_buf; +#ifdef CONFIG_4xx_DCACHE + flush_dcache_range(bd_cached, bd_cached + MAL_ALLOC_SIZE - 1); + bd_uncached = bis->bi_memsize; + program_tlb(bd_cached, bd_uncached, MAL_ALLOC_SIZE, + TLB_WORD2_I_ENABLE); +#else + bd_uncached = bd_cached; +#endif + hw_p->tx_phys = bd_cached; + hw_p->rx_phys = bd_cached + MAL_TX_DESC_SIZE; + hw_p->tx = (mal_desc_t *)(bd_uncached); + hw_p->rx = (mal_desc_t *)(bd_uncached + MAL_TX_DESC_SIZE); + debug("hw_p->tx=%08x, hw_p->rx=%08x\n", hw_p->tx, hw_p->rx); } for (i = 0; i < NUM_TX_BUFF; i++) { hw_p->tx[i].ctrl = 0; hw_p->tx[i].data_len = 0; - if (hw_p->first_init == 0) { - hw_p->txbuf_ptr = - (char *) malloc (ENET_MAX_MTU_ALIGNED); - if (NULL == hw_p->txbuf_ptr) { - free(hw_p->alloc_rx_buf); - free(hw_p->alloc_tx_buf); - hw_p->alloc_rx_buf = NULL; - hw_p->alloc_tx_buf = NULL; - for(j = 0; j < i; j++) { - free(hw_p->tx[i].data_ptr); - hw_p->tx[i].data_ptr = NULL; - } - } - } + if (hw_p->first_init == 0) + hw_p->txbuf_ptr = malloc_aligned(MAL_ALLOC_SIZE, + L1_CACHE_BYTES); hw_p->tx[i].data_ptr = hw_p->txbuf_ptr; if ((NUM_TX_BUFF - 1) == i) hw_p->tx[i].ctrl |= MAL_TX_CTRL_WRAP; hw_p->tx_run[i] = -1; -#if 0 - printf ("TX_BUFF %d @ 0x%08lx\n", i, - (ulong) hw_p->tx[i].data_ptr); -#endif + debug("TX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->tx[i].data_ptr); } for (i = 0; i < NUM_RX_BUFF; i++) { hw_p->rx[i].ctrl = 0; hw_p->rx[i].data_len = 0; - /* rx[i].data_ptr = (char *) &rx_buff[i]; */ - hw_p->rx[i].data_ptr = (char *) NetRxPackets[i]; + hw_p->rx[i].data_ptr = (char *)NetRxPackets[i]; if ((NUM_RX_BUFF - 1) == i) hw_p->rx[i].ctrl |= MAL_RX_CTRL_WRAP; hw_p->rx[i].ctrl |= MAL_RX_CTRL_EMPTY | MAL_RX_CTRL_INTR; hw_p->rx_ready[i] = -1; -#if 0 - printf ("RX_BUFF %d @ 0x%08lx\n", i, (ulong) hw_p->rx[i].data_ptr); -#endif + debug("RX_BUFF %d @ 0x%08lx\n", i, (u32)hw_p->rx[i].data_ptr); } reg = 0x00000000; @@ -844,7 +893,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) reg = reg << 8; reg |= dev->enetaddr[1]; - out32 (EMAC_IAH + hw_p->hw_addr, reg); + out_be32((void *)EMAC_IAH + hw_p->hw_addr, reg); reg = 0x00000000; reg |= dev->enetaddr[2]; /* set low address */ @@ -855,21 +904,21 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) reg = reg << 8; reg |= dev->enetaddr[5]; - out32 (EMAC_IAL + hw_p->hw_addr, reg); + out_be32((void *)EMAC_IAL + hw_p->hw_addr, reg); switch (devnum) { case 1: /* setup MAL tx & rx channel pointers */ #if defined (CONFIG_405EP) || defined (CONFIG_440EP) || defined (CONFIG_440GR) - mtdcr (maltxctp2r, hw_p->tx); + mtdcr (maltxctp2r, hw_p->tx_phys); #else - mtdcr (maltxctp1r, hw_p->tx); + mtdcr (maltxctp1r, hw_p->tx_phys); #endif #if defined(CONFIG_440) mtdcr (maltxbattr, 0x0); mtdcr (malrxbattr, 0x0); #endif - mtdcr (malrxctp1r, hw_p->rx); + mtdcr (malrxctp1r, hw_p->rx_phys); /* set RX buffer size */ mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16); break; @@ -878,17 +927,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) /* setup MAL tx & rx channel pointers */ mtdcr (maltxbattr, 0x0); mtdcr (malrxbattr, 0x0); - mtdcr (maltxctp2r, hw_p->tx); - mtdcr (malrxctp2r, hw_p->rx); + mtdcr (maltxctp2r, hw_p->tx_phys); + mtdcr (malrxctp2r, hw_p->rx_phys); /* set RX buffer size */ mtdcr (malrcbs2, ENET_MAX_MTU_ALIGNED / 16); break; case 3: /* setup MAL tx & rx channel pointers */ mtdcr (maltxbattr, 0x0); - mtdcr (maltxctp3r, hw_p->tx); + mtdcr (maltxctp3r, hw_p->tx_phys); mtdcr (malrxbattr, 0x0); - mtdcr (malrxctp3r, hw_p->rx); + mtdcr (malrxctp3r, hw_p->rx_phys); /* set RX buffer size */ mtdcr (malrcbs3, ENET_MAX_MTU_ALIGNED / 16); break; @@ -900,8 +949,8 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) mtdcr (maltxbattr, 0x0); mtdcr (malrxbattr, 0x0); #endif - mtdcr (maltxctp0r, hw_p->tx); - mtdcr (malrxctp0r, hw_p->rx); + mtdcr (maltxctp0r, hw_p->tx_phys); + mtdcr (malrxctp0r, hw_p->rx_phys); /* set RX buffer size */ mtdcr (malrcbs0, ENET_MAX_MTU_ALIGNED / 16); break; @@ -916,10 +965,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) mtdcr (malrxcasr, (MAL_TXRX_CASR >> hw_p->devnum)); /* set transmit enable & receive enable */ - out32 (EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); + out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_TXE | EMAC_M0_RXE); /* set receive fifo to 4k and tx fifo to 2k */ - mode_reg = in32 (EMAC_M1 + hw_p->hw_addr); + mode_reg = in_be32((void *)EMAC_M1 + hw_p->hw_addr); mode_reg |= EMAC_M1_RFS_4K | EMAC_M1_TX_FIFO_2K; /* set speed */ @@ -940,46 +989,46 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) if (duplex == FULL) mode_reg = mode_reg | 0x80000000 | EMAC_M1_IST; - out32 (EMAC_M1 + hw_p->hw_addr, mode_reg); + out_be32((void *)EMAC_M1 + hw_p->hw_addr, mode_reg); /* Enable broadcast and indvidual address */ /* TBS: enabling runts as some misbehaved nics will send runts */ - out32 (EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE); + out_be32((void *)EMAC_RXM + hw_p->hw_addr, EMAC_RMR_BAE | EMAC_RMR_IAE); /* we probably need to set the tx mode1 reg? maybe at tx time */ /* set transmit request threshold register */ - out32 (EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */ + out_be32((void *)EMAC_TRTR + hw_p->hw_addr, 0x18000000); /* 256 byte threshold */ /* set receive low/high water mark register */ #if defined(CONFIG_440) /* 440s has a 64 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000); + out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x80009000); #else /* 405s have a 16 byte burst length */ - out32 (EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); + out_be32((void *)EMAC_RX_HI_LO_WMARK + hw_p->hw_addr, 0x0f002000); #endif /* defined(CONFIG_440) */ - out32 (EMAC_TXM1 + hw_p->hw_addr, 0xf8640000); + out_be32((void *)EMAC_TXM1 + hw_p->hw_addr, 0xf8640000); /* Set fifo limit entry in tx mode 0 */ - out32 (EMAC_TXM0 + hw_p->hw_addr, 0x00000003); + out_be32((void *)EMAC_TXM0 + hw_p->hw_addr, 0x00000003); /* Frame gap set */ - out32 (EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008); + out_be32((void *)EMAC_I_FRAME_GAP_REG + hw_p->hw_addr, 0x00000008); /* Set EMAC IER */ hw_p->emac_ier = EMAC_ISR_PTLE | EMAC_ISR_BFCS | EMAC_ISR_ORE | EMAC_ISR_IRE; if (speed == _100BASET) hw_p->emac_ier = hw_p->emac_ier | EMAC_ISR_SYE; - out32 (EMAC_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */ - out32 (EMAC_IER + hw_p->hw_addr, hw_p->emac_ier); + out_be32((void *)EMAC_ISR + hw_p->hw_addr, 0xffffffff); /* clear pending interrupts */ + out_be32((void *)EMAC_IER + hw_p->hw_addr, hw_p->emac_ier); if (hw_p->first_init == 0) { /* * Connect interrupt service routines */ - irq_install_handler (VECNUM_ETH0 + (hw_p->devnum * 2), - (interrupt_handler_t *) enetInt, dev); + irq_install_handler(ETH_IRQ_NUM(hw_p->devnum), + (interrupt_handler_t *) enetInt, dev); } mtmsr (msr); /* enable interrupts again */ @@ -1015,6 +1064,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, /* memcpy ((void *) &tx_buff[tx_slot], (const void *) ptr, len); */ memcpy ((void *) hw_p->txbuf_ptr, (const void *) ptr, len); + flush_dcache_range((u32)hw_p->txbuf_ptr, (u32)hw_p->txbuf_ptr + len - 1); /*-----------------------------------------------------------------------+ * set TX Buffer busy, and send it @@ -1030,8 +1080,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, __asm__ volatile ("eieio"); - out32 (EMAC_TXM0 + hw_p->hw_addr, - in32 (EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0); + out_be32((void *)EMAC_TXM0 + hw_p->hw_addr, + in_be32((void *)EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0); #ifdef INFO_4XX_ENET hw_p->stats.pkts_tx++; #endif @@ -1041,7 +1091,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, *-----------------------------------------------------------------------*/ time_start = get_timer (0); while (1) { - temp_txm0 = in32 (EMAC_TXM0 + hw_p->hw_addr); + temp_txm0 = in_be32((void *)EMAC_TXM0 + hw_p->hw_addr); /* loop until either TINT turns on or 3 seconds elapse */ if ((temp_txm0 & EMAC_TXM0_GNP0) != 0) { /* transmit is done, so now check for errors @@ -1059,7 +1109,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, } -#if defined (CONFIG_440) +#if defined (CONFIG_440) || defined(CONFIG_405EX) #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) /* @@ -1073,7 +1123,8 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, #define UIC0SR uic0sr #endif -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) #define UICMSR_ETHX uic0msr #define UICSR_ETHX uic0sr #else @@ -1149,7 +1200,7 @@ int enetInt (struct eth_device *dev) /* port by port dispatch of emac interrupts */ if (hw_p->devnum == 0) { if (UIC_ETH0 & my_uicmsr_ethx) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr); if ((hw_p->emac_ier & emac_isr) != 0) { emac_err (dev, emac_isr); serviced = 1; @@ -1168,7 +1219,7 @@ int enetInt (struct eth_device *dev) #if !defined(CONFIG_440SP) if (hw_p->devnum == 1) { if (UIC_ETH1 & my_uicmsr_ethx) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr); if ((hw_p->emac_ier & emac_isr) != 0) { emac_err (dev, emac_isr); serviced = 1; @@ -1186,7 +1237,7 @@ int enetInt (struct eth_device *dev) #if defined (CONFIG_440GX) if (hw_p->devnum == 2) { if (UIC_ETH2 & my_uic2msr) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr); if ((hw_p->emac_ier & emac_isr) != 0) { emac_err (dev, emac_isr); serviced = 1; @@ -1204,7 +1255,7 @@ int enetInt (struct eth_device *dev) if (hw_p->devnum == 3) { if (UIC_ETH3 & my_uic2msr) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr); if ((hw_p->emac_ier & emac_isr) != 0) { emac_err (dev, emac_isr); serviced = 1; @@ -1316,7 +1367,7 @@ int enetInt (struct eth_device *dev) /* port by port dispatch of emac interrupts */ if ((SEL_UIC_DEF(hw_p->devnum) & my_uicmsr) != 0) { /* look for EMAC errors */ - emac_isr = in32 (EMAC_ISR + hw_p->hw_addr); + emac_isr = in_be32((void *)EMAC_ISR + hw_p->hw_addr); if ((hw_p->emac_ier & emac_isr) != 0) { emac_err (dev, emac_isr); serviced = 1; @@ -1390,7 +1441,7 @@ static void emac_err (struct eth_device *dev, unsigned long isr) EMAC_4XX_HW_PST hw_p = dev->priv; printf ("EMAC%d error occured.... ISR = %lx\n", hw_p->devnum, isr); - out32 (EMAC_ISR + hw_p->hw_addr, isr); + out_be32((void *)EMAC_ISR + hw_p->hw_addr, isr); } /*-----------------------------------------------------------------------------+ @@ -1513,6 +1564,9 @@ static int ppc_4xx_eth_rx (struct eth_device *dev) /* Pass the packet up to the protocol layers. */ /* NetReceive(NetRxPackets[rxIdx], length - 4); */ /* NetReceive(NetRxPackets[i], length); */ + invalidate_dcache_range((u32)hw_p->rx[user_index].data_ptr, + (u32)hw_p->rx[user_index].data_ptr + + length - 4 - 1); NetReceive (NetRxPackets[user_index], length - 4); /* Free Recv Buffer */ hw_p->rx[user_index].ctrl |= MAL_RX_CTRL_EMPTY; @@ -1601,7 +1655,11 @@ int ppc_4xx_eth_initialize (bd_t * bis) bis->bi_phynum[3] = CONFIG_PHY3_ADDR; bis->bi_phymode[2] = 2; bis->bi_phymode[3] = 2; +#endif +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) ppc_4xx_eth_setup_bridge(0, bis); #endif @@ -1649,7 +1707,9 @@ int ppc_4xx_eth_initialize (bd_t * bis) if (0 == virgin) { /* set the MAL IER ??? names may change with new spec ??? */ -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) mal_ier = MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE | MAL_IER_DE | MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE ; diff --git a/cpu/ppc4xx/405gp_pci.c b/cpu/ppc4xx/4xx_pci.c index 282e7a1..a68c419 100644 --- a/cpu/ppc4xx/405gp_pci.c +++ b/cpu/ppc4xx/4xx_pci.c @@ -72,7 +72,7 @@ #include <common.h> #include <command.h> #if !defined(CONFIG_440) -#include <405gp_pci.h> +#include <asm/4xx_pci.h> #endif #include <asm/processor.h> #include <pci.h> @@ -592,4 +592,15 @@ void pci_init_board(void) } #endif /* CONFIG_440 */ + +#if defined(CONFIG_405EX) +void pci_init_board(void) +{ +#ifdef CONFIG_PCI_SCAN_SHOW + printf("PCI: Bus Dev VenId DevId Class Int\n"); +#endif + pcie_setup_hoses(0); +} +#endif /* CONFIG_405EX */ + #endif /* CONFIG_PCI */ diff --git a/cpu/ppc4xx/440spe_pcie.c b/cpu/ppc4xx/4xx_pcie.c index 3eac0ae..3af9862 100644 --- a/cpu/ppc4xx/440spe_pcie.c +++ b/cpu/ppc4xx/4xx_pcie.c @@ -20,15 +20,21 @@ * */ +/* define DEBUG for debugging output (obviously ;-)) */ +#if 0 +#define DEBUG +#endif + #include <asm/processor.h> #include <asm-ppc/io.h> #include <ppc4xx.h> #include <common.h> #include <pci.h> -#if defined(CONFIG_440SPE) && defined(CONFIG_PCI) +#if (defined(CONFIG_440SPE) || defined(CONFIG_405EX)) && \ + defined(CONFIG_PCI) -#include "440spe_pcie.h" +#include <asm/4xx_pcie.h> enum { PTYPE_ENDPOINT = 0x0, @@ -40,6 +46,20 @@ enum { LNKW_X8 = 0x8 }; +static int validate_endpoint(struct pci_controller *hose) +{ + if (hose->cfg_data == (u8 *)CFG_PCIE0_CFGBASE) + return (is_end_point(0)); + else if (hose->cfg_data == (u8 *)CFG_PCIE1_CFGBASE) + return (is_end_point(1)); +#if CFG_PCIE_NR_PORTS > 2 + else if (hose->cfg_data == (u8 *)CFG_PCIE2_CFGBASE) + return (is_end_point(2)); +#endif + + return 0; +} + static u8* pcie_get_base(struct pci_controller *hose, unsigned int devfn) { u8 *base = (u8*)hose->cfg_data; @@ -50,8 +70,10 @@ static u8* pcie_get_base(struct pci_controller *hose, unsigned int devfn) base = (u8*)CFG_PCIE0_XCFGBASE; if (hose->cfg_data == (u8*)CFG_PCIE1_CFGBASE) base = (u8*)CFG_PCIE1_XCFGBASE; +#if CFG_PCIE_NR_PORTS > 2 if (hose->cfg_data == (u8*)CFG_PCIE2_CFGBASE) base = (u8*)CFG_PCIE2_XCFGBASE; +#endif } return base; @@ -63,8 +85,10 @@ static void pcie_dmer_disable(void) mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) | GPL_DMER_MASK_DISA); mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE), mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) | GPL_DMER_MASK_DISA); +#if CFG_PCIE_NR_PORTS > 2 mtdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE), mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) | GPL_DMER_MASK_DISA); +#endif } static void pcie_dmer_enable(void) @@ -73,8 +97,10 @@ static void pcie_dmer_enable(void) mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE0_BASE)) & ~GPL_DMER_MASK_DISA); mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE1_BASE), mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE1_BASE)) & ~GPL_DMER_MASK_DISA); +#if CFG_PCIE_NR_PORTS > 2 mtdcr (DCRN_PEGPL_CFG (DCRN_PCIE2_BASE), mfdcr (DCRN_PEGPL_CFG(DCRN_PCIE2_BASE)) & ~GPL_DMER_MASK_DISA); +#endif } static int pcie_read_config(struct pci_controller *hose, unsigned int devfn, @@ -83,6 +109,9 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn, u8 *address; *val = 0; + if (validate_endpoint(hose)) + return 0; /* No upstream config access */ + /* * Bus numbers are relative to hose->first_busno */ @@ -115,6 +144,7 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn, */ pcie_dmer_disable (); + debug("%s: cfg_data=%08x offset=%08x\n", __func__, hose->cfg_data, offset); switch (len) { case 1: *val = in_8(hose->cfg_data + offset); @@ -137,6 +167,9 @@ static int pcie_write_config(struct pci_controller *hose, unsigned int devfn, u8 *address; + if (validate_endpoint(hose)) + return 0; /* No upstream config access */ + /* * Bus numbers are relative to hose->first_busno */ @@ -222,7 +255,8 @@ int pcie_write_config_dword(struct pci_controller *hose,pci_dev_t dev,int offset return pcie_write_config(hose,(u32)dev,offset,3,(u32 )val); } -static void ppc440spe_setup_utl(u32 port) { +#if defined(CONFIG_440SPE) +static void ppc4xx_setup_utl(u32 port) { volatile void *utl_base = NULL; @@ -333,7 +367,7 @@ static int check_error(void) /* * Initialize PCI Express core */ -int ppc440spe_init_pcie(void) +int ppc4xx_init_pcie(void) { int time_out = 20; @@ -366,13 +400,223 @@ int ppc440spe_init_pcie(void) } return 0; } +#else +static void ppc4xx_setup_utl(u32 port) +{ + u32 utl_base; + + /* + * Map UTL registers at 0xef4f_n000 (4K 0xfff mask) PEGPLn_REGMSK + */ + switch (port) { + case 0: + mtdcr(DCRN_PEGPL_REGBAH(PCIE0), 0x00000000); + mtdcr(DCRN_PEGPL_REGBAL(PCIE0), CFG_PCIE0_UTLBASE); + mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0x00007001); /* 4k region, valid */ + mtdcr(DCRN_PEGPL_SPECIAL(PCIE0), 0); + break; + + case 1: + mtdcr(DCRN_PEGPL_REGBAH(PCIE1), 0x00000000); + mtdcr(DCRN_PEGPL_REGBAL(PCIE1), CFG_PCIE1_UTLBASE); + mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0x00007001); /* 4k region, valid */ + mtdcr(DCRN_PEGPL_SPECIAL(PCIE1), 0); + + break; + } + utl_base = (port==0) ? CFG_PCIE0_UTLBASE : CFG_PCIE1_UTLBASE; + + /* + * Set buffer allocations and then assert VRB and TXE. + */ + out_be32((u32 *)(utl_base + PEUTL_OUTTR), 0x02000000); + out_be32((u32 *)(utl_base + PEUTL_INTR), 0x02000000); + out_be32((u32 *)(utl_base + PEUTL_OPDBSZ), 0x04000000); + out_be32((u32 *)(utl_base + PEUTL_PBBSZ), 0x21000000); + out_be32((u32 *)(utl_base + PEUTL_IPHBSZ), 0x02000000); + out_be32((u32 *)(utl_base + PEUTL_IPDBSZ), 0x04000000); + out_be32((u32 *)(utl_base + PEUTL_RCIRQEN), 0x00f00000); + out_be32((u32 *)(utl_base + PEUTL_PCTL), 0x80800066); + + out_be32((u32 *)(utl_base + PEUTL_PBCTL), 0x0800000c); + out_be32((u32 *)(utl_base + PEUTL_RCSTA), + in_be32((u32 *)(utl_base + PEUTL_RCSTA)) | 0x000040000); +} + +int ppc4xx_init_pcie(void) +{ + /* + * Nothing to do on 405EX + */ + return 0; +} +#endif /* - * Yucca board as End point and root point setup + * Board-specific pcie initialization + * Platform code can reimplement ppc4xx_init_pcie_port_hw() if needed + */ + +/* + * Initialize various parts of the PCI Express core for our port: + * + * - Set as a root port and enable max width + * (PXIE0 -> X8, PCIE1 and PCIE2 -> X4). + * - Set up UTL configuration. + * - Increase SERDES drive strength to levels suggested by AMCC. + * - De-assert RSTPYN, RSTDL and RSTGU. + * + * NOTICE for 440SPE revB chip: PESDRn_UTLSET2 is not set - we leave it + * with default setting 0x11310000. The register has new fields, + * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core + * hang. + */ +#if defined(CONFIG_440SPE) +int __ppc4xx_init_pcie_port_hw(int port, int rootport) +{ + u32 val = 1 << 24; + u32 utlset1; + + if (rootport) { + val = PTYPE_ROOT_PORT << 20; + utlset1 = 0x21222222; + } else { + val = PTYPE_LEGACY_ENDPOINT << 20; + utlset1 = 0x20222222; + } + + if (port == 0) + val |= LNKW_X8 << 12; + else + val |= LNKW_X4 << 12; + + SDR_WRITE(SDRN_PESDR_DLPSET(port), val); + SDR_WRITE(SDRN_PESDR_UTLSET1(port), utlset1); + if (!ppc440spe_revB()) + SDR_WRITE(SDRN_PESDR_UTLSET2(port), 0x11000000); + SDR_WRITE(SDRN_PESDR_HSSL0SET1(port), 0x35000000); + SDR_WRITE(SDRN_PESDR_HSSL1SET1(port), 0x35000000); + SDR_WRITE(SDRN_PESDR_HSSL2SET1(port), 0x35000000); + SDR_WRITE(SDRN_PESDR_HSSL3SET1(port), 0x35000000); + if (port == 0) { + SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000); + SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000); + SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000); + SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000); + } + SDR_WRITE(SDRN_PESDR_RCSSET(port), (SDR_READ(SDRN_PESDR_RCSSET(port)) & + ~(1 << 24 | 1 << 16)) | 1 << 12); + + return 0; +} +#endif /* CONFIG_440SPE */ + +#if defined(CONFIG_405EX) +int __ppc4xx_init_pcie_port_hw(int port, int rootport) +{ + u32 val; + + if (rootport) + val = 0x00401000; + else + val = 0x00101000; + + SDR_WRITE(SDRN_PESDR_DLPSET(port), val); + SDR_WRITE(SDRN_PESDR_UTLSET1(port), 0x00000000); + SDR_WRITE(SDRN_PESDR_UTLSET2(port), 0x01010000); + SDR_WRITE(SDRN_PESDR_PHYSET1(port), 0x720F0000); + SDR_WRITE(SDRN_PESDR_PHYSET2(port), 0x70600003); + + /* Assert the PE0_PHY reset */ + SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01010000); + udelay(1000); + + /* deassert the PE0_hotreset */ + if (is_end_point(port)) + SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01111000); + else + SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x01101000); + + /* poll for phy !reset */ + while (!(SDR_READ(SDRN_PESDR_PHYSTA(port)) & 0x00001000)) + ; + + /* deassert the PE0_gpl_utl_reset */ + SDR_WRITE(SDRN_PESDR_RCSSET(port), 0x00101000); + + if (port == 0) + mtdcr(DCRN_PEGPL_CFG(PCIE0), 0x10000000); /* guarded on */ + else + mtdcr(DCRN_PEGPL_CFG(PCIE1), 0x10000000); /* guarded on */ + + return 0; +} +#endif /* CONFIG_405EX */ + +int ppc4xx_init_pcie_port_hw(int port, int rootport) +__attribute__((weak, alias("__ppc4xx_init_pcie_port_hw"))); + +/* + * We map PCI Express configuration access into the 512MB regions + * + * NOTICE: revB is very strict about PLB real addressess and ranges to + * be mapped for config space; it seems to only work with d_nnnn_nnnn + * range (hangs the core upon config transaction attempts when set + * otherwise) while revA uses c_nnnn_nnnn. + * + * For revA: + * PCIE0: 0xc_4000_0000 + * PCIE1: 0xc_8000_0000 + * PCIE2: 0xc_c000_0000 + * + * For revB: + * PCIE0: 0xd_0000_0000 + * PCIE1: 0xd_2000_0000 + * PCIE2: 0xd_4000_0000 + * + * For 405EX: + * PCIE0: 0xa000_0000 + * PCIE1: 0xc000_0000 + */ +static inline u64 ppc4xx_get_cfgaddr(int port) +{ +#if defined(CONFIG_405EX) + if (port == 0) + return (u64)CFG_PCIE0_CFGBASE; + else + return (u64)CFG_PCIE1_CFGBASE; +#endif +#if defined(CONFIG_440SPE) + if (ppc440spe_revB()) { + switch (port) { + default: /* to satisfy compiler */ + case 0: + return 0x0000000d00000000ULL; + case 1: + return 0x0000000d20000000ULL; + case 2: + return 0x0000000d40000000ULL; + } + } else { + switch (port) { + default: /* to satisfy compiler */ + case 0: + return 0x0000000c40000000ULL; + case 1: + return 0x0000000c80000000ULL; + case 2: + return 0x0000000cc0000000ULL; + } + } +#endif +} + +/* + * 4xx boards as end point and root point setup * and * testing inbound and out bound windows * - * YUCCA board can be plugged into another yucca board or you can get PCI-E + * 4xx boards can be plugged into another 4xx boards or you can get PCI-E * cable which can be used to setup loop back from one port to another port. * Please rememeber that unless there is a endpoint plugged in to root port it * will not initialize. It is the same in case of endpoint , unless there is @@ -386,110 +630,47 @@ int ppc440spe_init_pcie(void) * /proc/bus/pci/devices. Where you can see the configuration registers * of end point device attached to the port. * - * Enpoint cofiguration can be verified by connecting Yucca board to any - * host or another yucca board. Then try to scan the device. In case of + * Enpoint cofiguration can be verified by connecting 4xx board to any + * host or another 4xx board. Then try to scan the device. In case of * linux use "lspci" or appripriate os command. * - * How do I verify the inbound and out bound windows ?(yucca to yucca) + * How do I verify the inbound and out bound windows ? (4xx to 4xx) * in this configuration inbound and outbound windows are setup to access * sram memroy area. SRAM is at 0x4 0000 0000 , on PLB bus. This address * is mapped at 0x90000000. From u-boot prompt write data 0xb000 0000, * This is waere your POM(PLB out bound memory window) mapped. then - * read the data from other yucca board's u-boot prompt at address + * read the data from other 4xx board's u-boot prompt at address * 0x9000 0000(SRAM). Data should match. * In case of inbound , write data to u-boot command prompt at 0xb000 0000 * which is mapped to 0x4 0000 0000. Now on rootpoint yucca u-boot prompt check * data at 0x9000 0000(SRAM).Data should match. */ -int ppc440spe_init_pcie_rootport(int port) +int ppc4xx_init_pcie_port(int port, int rootport) { static int core_init; volatile u32 val = 0; int attempts; + u64 addr; + u32 low, high; if (!core_init) { - ++core_init; - if (ppc440spe_init_pcie()) + if (ppc4xx_init_pcie()) return -1; + ++core_init; } /* - * Initialize various parts of the PCI Express core for our port: - * - * - Set as a root port and enable max width - * (PXIE0 -> X8, PCIE1 and PCIE2 -> X4). - * - Set up UTL configuration. - * - Increase SERDES drive strength to levels suggested by AMCC. - * - De-assert RSTPYN, RSTDL and RSTGU. - * - * NOTICE for revB chip: PESDRn_UTLSET2 is not set - we leave it with - * default setting 0x11310000. The register has new fields, - * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core - * hang. + * Initialize various parts of the PCI Express core for our port */ - switch (port) { - case 0: - SDR_WRITE(PESDR0_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X8 << 12); - - SDR_WRITE(PESDR0_UTLSET1, 0x21222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR0_UTLSET2, 0x11000000); - SDR_WRITE(PESDR0_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000); - SDR_WRITE(PESDR0_RCSSET, - (SDR_READ(PESDR0_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; + ppc4xx_init_pcie_port_hw(port, rootport); - case 1: - SDR_WRITE(PESDR1_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12); - SDR_WRITE(PESDR1_UTLSET1, 0x21222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR1_UTLSET2, 0x11000000); - SDR_WRITE(PESDR1_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR1_RCSSET, - (SDR_READ(PESDR1_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; - - case 2: - SDR_WRITE(PESDR2_DLPSET, 1 << 24 | PTYPE_ROOT_PORT << 20 | LNKW_X4 << 12); - SDR_WRITE(PESDR2_UTLSET1, 0x21222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR2_UTLSET2, 0x11000000); - SDR_WRITE(PESDR2_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR2_RCSSET, - (SDR_READ(PESDR2_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; - } /* * Notice: the following delay has critical impact on device * initialization - if too short (<50ms) the link doesn't get up. */ mdelay(100); - switch (port) { - case 0: - val = SDR_READ(PESDR0_RCSSTS); - break; - case 1: - val = SDR_READ(PESDR1_RCSSTS); - break; - case 2: - val = SDR_READ(PESDR2_RCSSTS); - break; - } - + val = SDR_READ(SDRN_PESDR_RCSSTS(port)); if (val & (1 << 20)) { printf("PCIE%d: PGRST failed %08x\n", port, val); return -1; @@ -498,18 +679,7 @@ int ppc440spe_init_pcie_rootport(int port) /* * Verify link is up */ - val = 0; - switch (port) { - case 0: - val = SDR_READ(PESDR0_LOOP); - break; - case 1: - val = SDR_READ(PESDR1_LOOP); - break; - case 2: - val = SDR_READ(PESDR2_LOOP); - break; - } + val = SDR_READ(SDRN_PESDR_LOOP(port)); if (!(val & 0x00001000)) { printf("PCIE%d: link is not up.\n", port); return -1; @@ -520,331 +690,75 @@ int ppc440spe_init_pcie_rootport(int port) * We use default settings for revB chip. */ if (!ppc440spe_revB()) - ppc440spe_setup_utl(port); + ppc4xx_setup_utl(port); /* * We map PCI Express configuration access into the 512MB regions - * - * NOTICE: revB is very strict about PLB real addressess and ranges to - * be mapped for config space; it seems to only work with d_nnnn_nnnn - * range (hangs the core upon config transaction attempts when set - * otherwise) while revA uses c_nnnn_nnnn. - * - * For revA: - * PCIE0: 0xc_4000_0000 - * PCIE1: 0xc_8000_0000 - * PCIE2: 0xc_c000_0000 - * - * For revB: - * PCIE0: 0xd_0000_0000 - * PCIE1: 0xd_2000_0000 - * PCIE2: 0xd_4000_0000 */ + addr = ppc4xx_get_cfgaddr(port); + low = U64_TO_U32_LOW(addr); + high = U64_TO_U32_HIGH(addr); switch (port) { case 0: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x00000000); - } else { - /* revA */ - mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x40000000); - } + mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), high); + mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), low); mtdcr(DCRN_PEGPL_CFGMSK(PCIE0), 0xe0000001); /* 512MB region, valid */ break; - case 1: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x20000000); - } else { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x80000000); - } + mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), high); + mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), low); mtdcr(DCRN_PEGPL_CFGMSK(PCIE1), 0xe0000001); /* 512MB region, valid */ break; - +#if CFG_PCIE_NR_PORTS > 2 case 2: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0x40000000); - } else { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0xc0000000); - } + mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), high); + mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), low); mtdcr(DCRN_PEGPL_CFGMSK(PCIE2), 0xe0000001); /* 512MB region, valid */ break; +#endif } /* * Check for VC0 active and assert RDY. */ attempts = 10; - switch (port) { - case 0: - while(!(SDR_READ(PESDR0_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE0: VC0 not active\n"); - return -1; - } - mdelay(1000); - } - SDR_WRITE(PESDR0_RCSSET, SDR_READ(PESDR0_RCSSET) | 1 << 20); - break; - case 1: - while(!(SDR_READ(PESDR1_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE1: VC0 not active\n"); - return -1; - } - mdelay(1000); - } - - SDR_WRITE(PESDR1_RCSSET, SDR_READ(PESDR1_RCSSET) | 1 << 20); - break; - case 2: - while(!(SDR_READ(PESDR2_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE2: VC0 not active\n"); - return -1; - } - mdelay(1000); + while(!(SDR_READ(SDRN_PESDR_RCSSTS(port)) & (1 << 16))) { + if (!(attempts--)) { + printf("PCIE%d: VC0 not active\n", port); + return -1; } - - SDR_WRITE(PESDR2_RCSSET, SDR_READ(PESDR2_RCSSET) | 1 << 20); - break; + mdelay(1000); } + SDR_WRITE(SDRN_PESDR_RCSSET(port), + SDR_READ(SDRN_PESDR_RCSSET(port)) | 1 << 20); mdelay(100); return 0; } -int ppc440spe_init_pcie_endport(int port) +int ppc4xx_init_pcie_rootport(int port) { - static int core_init; - volatile u32 val = 0; - int attempts; - - if (!core_init) { - ++core_init; - if (ppc440spe_init_pcie()) - return -1; - } - - /* - * Initialize various parts of the PCI Express core for our port: - * - * - Set as a end port and enable max width - * (PXIE0 -> X8, PCIE1 and PCIE2 -> X4). - * - Set up UTL configuration. - * - Increase SERDES drive strength to levels suggested by AMCC. - * - De-assert RSTPYN, RSTDL and RSTGU. - * - * NOTICE for revB chip: PESDRn_UTLSET2 is not set - we leave it with - * default setting 0x11310000. The register has new fields, - * PESDRn_UTLSET2[LKINE] in particular: clearing it leads to PCIE core - * hang. - */ - switch (port) { - case 0: - SDR_WRITE(PESDR0_DLPSET, 1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X8 << 12); - - SDR_WRITE(PESDR0_UTLSET1, 0x20222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR0_UTLSET2, 0x11000000); - SDR_WRITE(PESDR0_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL4SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL5SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL6SET1, 0x35000000); - SDR_WRITE(PESDR0_HSSL7SET1, 0x35000000); - SDR_WRITE(PESDR0_RCSSET, - (SDR_READ(PESDR0_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; - - case 1: - SDR_WRITE(PESDR1_DLPSET, 1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X4 << 12); - SDR_WRITE(PESDR1_UTLSET1, 0x20222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR1_UTLSET2, 0x11000000); - SDR_WRITE(PESDR1_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR1_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR1_RCSSET, - (SDR_READ(PESDR1_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; - - case 2: - SDR_WRITE(PESDR2_DLPSET, 1 << 24 | PTYPE_LEGACY_ENDPOINT << 20 | LNKW_X4 << 12); - SDR_WRITE(PESDR2_UTLSET1, 0x20222222); - if (!ppc440spe_revB()) - SDR_WRITE(PESDR2_UTLSET2, 0x11000000); - SDR_WRITE(PESDR2_HSSL0SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL1SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL2SET1, 0x35000000); - SDR_WRITE(PESDR2_HSSL3SET1, 0x35000000); - SDR_WRITE(PESDR2_RCSSET, - (SDR_READ(PESDR2_RCSSET) & ~(1 << 24 | 1 << 16)) | 1 << 12); - break; - } - /* - * Notice: the following delay has critical impact on device - * initialization - if too short (<50ms) the link doesn't get up. - */ - mdelay(100); - - switch (port) { - case 0: val = SDR_READ(PESDR0_RCSSTS); break; - case 1: val = SDR_READ(PESDR1_RCSSTS); break; - case 2: val = SDR_READ(PESDR2_RCSSTS); break; - } - - if (val & (1 << 20)) { - printf("PCIE%d: PGRST failed %08x\n", port, val); - return -1; - } - - /* - * Verify link is up - */ - val = 0; - switch (port) - { - case 0: - val = SDR_READ(PESDR0_LOOP); - break; - case 1: - val = SDR_READ(PESDR1_LOOP); - break; - case 2: - val = SDR_READ(PESDR2_LOOP); - break; - } - if (!(val & 0x00001000)) { - printf("PCIE%d: link is not up.\n", port); - return -1; - } - - /* - * Setup UTL registers - but only on revA! - * We use default settings for revB chip. - */ - if (!ppc440spe_revB()) - ppc440spe_setup_utl(port); - - /* - * We map PCI Express configuration access into the 512MB regions - * - * NOTICE: revB is very strict about PLB real addressess and ranges to - * be mapped for config space; it seems to only work with d_nnnn_nnnn - * range (hangs the core upon config transaction attempts when set - * otherwise) while revA uses c_nnnn_nnnn. - * - * For revA: - * PCIE0: 0xc_4000_0000 - * PCIE1: 0xc_8000_0000 - * PCIE2: 0xc_c000_0000 - * - * For revB: - * PCIE0: 0xd_0000_0000 - * PCIE1: 0xd_2000_0000 - * PCIE2: 0xd_4000_0000 - */ - switch (port) { - case 0: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x00000000); - } else { - /* revA */ - mtdcr(DCRN_PEGPL_CFGBAH(PCIE0), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE0), 0x40000000); - } - mtdcr(DCRN_PEGPL_CFGMSK(PCIE0), 0xe0000001); /* 512MB region, valid */ - break; - - case 1: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x20000000); - } else { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE1), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE1), 0x80000000); - } - mtdcr(DCRN_PEGPL_CFGMSK(PCIE1), 0xe0000001); /* 512MB region, valid */ - break; - - case 2: - if (ppc440spe_revB()) { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000d); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0x40000000); - } else { - mtdcr(DCRN_PEGPL_CFGBAH(PCIE2), 0x0000000c); - mtdcr(DCRN_PEGPL_CFGBAL(PCIE2), 0xc0000000); - } - mtdcr(DCRN_PEGPL_CFGMSK(PCIE2), 0xe0000001); /* 512MB region, valid */ - break; - } - - /* - * Check for VC0 active and assert RDY. - */ - attempts = 10; - switch (port) { - case 0: - while(!(SDR_READ(PESDR0_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE0: VC0 not active\n"); - return -1; - } - mdelay(1000); - } - SDR_WRITE(PESDR0_RCSSET, SDR_READ(PESDR0_RCSSET) | 1 << 20); - break; - case 1: - while(!(SDR_READ(PESDR1_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE1: VC0 not active\n"); - return -1; - } - mdelay(1000); - } - - SDR_WRITE(PESDR1_RCSSET, SDR_READ(PESDR1_RCSSET) | 1 << 20); - break; - case 2: - while(!(SDR_READ(PESDR2_RCSSTS) & (1 << 16))) { - if (!(attempts--)) { - printf("PCIE2: VC0 not active\n"); - return -1; - } - mdelay(1000); - } - - SDR_WRITE(PESDR2_RCSSET, SDR_READ(PESDR2_RCSSET) | 1 << 20); - break; - } - mdelay(100); + return ppc4xx_init_pcie_port(port, 1); +} - return 0; +int ppc4xx_init_pcie_endport(int port) +{ + return ppc4xx_init_pcie_port(port, 0); } -void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port) +void ppc4xx_setup_pcie_rootpoint(struct pci_controller *hose, int port) { volatile void *mbase = NULL; volatile void *rmbase = NULL; pci_set_ops(hose, - pcie_read_config_byte, - pcie_read_config_word, - pcie_read_config_dword, - pcie_write_config_byte, - pcie_write_config_word, - pcie_write_config_dword); + pcie_read_config_byte, + pcie_read_config_word, + pcie_read_config_dword, + pcie_write_config_byte, + pcie_write_config_word, + pcie_write_config_dword); switch (port) { case 0: @@ -857,11 +771,13 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port) rmbase = (u32 *)CFG_PCIE1_CFGBASE; hose->cfg_data = (u8 *)CFG_PCIE1_CFGBASE; break; +#if CFG_PCIE_NR_PORTS > 2 case 2: mbase = (u32 *)CFG_PCIE2_XCFGBASE; rmbase = (u32 *)CFG_PCIE2_CFGBASE; hose->cfg_data = (u8 *)CFG_PCIE2_CFGBASE; break; +#endif } /* @@ -878,33 +794,53 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port) * subregions and to enable the outbound translation. */ out_le32(mbase + PECFG_POM0LAH, 0x00000000); - out_le32(mbase + PECFG_POM0LAL, 0x00000000); + out_le32(mbase + PECFG_POM0LAL, CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); + debug("PECFG_POM0LA=%08x.%08x\n", in_le32(mbase + PECFG_POM0LAH), + in_le32(mbase + PECFG_POM0LAL)); switch (port) { case 0: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE0), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE0), - ~(CFG_PCIE_MEMSIZE - 1) | 3); + ~(CFG_PCIE_MEMSIZE - 1) | 3); + debug("0:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n", + mfdcr(DCRN_PEGPL_OMR1BAH(PCIE0)), + mfdcr(DCRN_PEGPL_OMR1BAL(PCIE0)), + mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE0)), + mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE0))); break; case 1: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), (CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE)); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE1), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE1), - ~(CFG_PCIE_MEMSIZE - 1) | 3); - break; + ~(CFG_PCIE_MEMSIZE - 1) | 3); + debug("1:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n", + mfdcr(DCRN_PEGPL_OMR1BAH(PCIE1)), + mfdcr(DCRN_PEGPL_OMR1BAL(PCIE1)), + mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE1)), + mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE1))); + break; +#if CFG_PCIE_NR_PORTS > 2 case 2: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), (CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE)); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE2), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE2), - ~(CFG_PCIE_MEMSIZE - 1) | 3); + ~(CFG_PCIE_MEMSIZE - 1) | 3); + debug("2:PEGPL_OMR1BA=%08x.%08x MSK=%08x.%08x\n", + mfdcr(DCRN_PEGPL_OMR1BAH(PCIE2)), + mfdcr(DCRN_PEGPL_OMR1BAL(PCIE2)), + mfdcr(DCRN_PEGPL_OMR1MSKH(PCIE2)), + mfdcr(DCRN_PEGPL_OMR1MSKL(PCIE2))); break; +#endif } /* Set up 16GB inbound memory window at 0 */ @@ -917,41 +853,26 @@ void ppc440spe_setup_pcie_rootpoint(struct pci_controller *hose, int port) out_le32(mbase + PECFG_PIM01SAL, 0x00000000); out_le32(mbase + PECFG_PIM0LAL, 0); out_le32(mbase + PECFG_PIM0LAH, 0); - out_le32(mbase + PECFG_PIM1LAL, 0x00000000); - out_le32(mbase + PECFG_PIM1LAH, 0x00000004); + out_le32(mbase + PECFG_PIM1LAL, 0x00000000); + out_le32(mbase + PECFG_PIM1LAH, 0x00000004); out_le32(mbase + PECFG_PIMEN, 0x1); /* Enable I/O, Mem, and Busmaster cycles */ out_le16((u16 *)(mbase + PCI_COMMAND), in_le16((u16 *)(mbase + PCI_COMMAND)) | PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - printf("PCIE:%d successfully set as rootpoint\n",port); /* Set Device and Vendor Id */ - switch (port) { - case 0: - out_le16(mbase + 0x200, 0xaaa0); - out_le16(mbase + 0x202, 0xbed0); - break; - case 1: - out_le16(mbase + 0x200, 0xaaa1); - out_le16(mbase + 0x202, 0xbed1); - break; - case 2: - out_le16(mbase + 0x200, 0xaaa2); - out_le16(mbase + 0x202, 0xbed2); - break; - default: - out_le16(mbase + 0x200, 0xaaa3); - out_le16(mbase + 0x202, 0xbed3); - } + out_le16(mbase + 0x200, 0xaaa0 + port); + out_le16(mbase + 0x202, 0xbed0 + port); /* Set Class Code to PCI-PCI bridge and Revision Id to 1 */ out_le32(mbase + 0x208, 0x06040001); + printf("PCIE%d: successfully set as root-complex\n", port); } -int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port) +int ppc4xx_setup_pcie_endpoint(struct pci_controller *hose, int port) { volatile void *mbase = NULL; int attempts = 0; @@ -973,10 +894,12 @@ int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port) mbase = (u32 *)CFG_PCIE1_XCFGBASE; hose->cfg_data = (u8 *)CFG_PCIE1_CFGBASE; break; +#if defined(CFG_PCIE2_CFGBASE) case 2: mbase = (u32 *)CFG_PCIE2_XCFGBASE; hose->cfg_data = (u8 *)CFG_PCIE2_CFGBASE; break; +#endif } /* @@ -990,77 +913,73 @@ int ppc440spe_setup_pcie_endpoint(struct pci_controller *hose, int port) switch (port) { case 0: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE0), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE0), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE0), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE0), - ~(CFG_PCIE_MEMSIZE - 1) | 3); + ~(CFG_PCIE_MEMSIZE - 1) | 3); break; case 1: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), (CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE)); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE1), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE1), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE1), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE1), - ~(CFG_PCIE_MEMSIZE - 1) | 3); + ~(CFG_PCIE_MEMSIZE - 1) | 3); break; +#if CFG_PCIE_NR_PORTS > 2 case 2: - mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), 0x0000000d); - mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), (CFG_PCIE_MEMBASE + - port * CFG_PCIE_MEMSIZE)); + mtdcr(DCRN_PEGPL_OMR1BAH(PCIE2), CFG_PCIE_ADDR_HIGH); + mtdcr(DCRN_PEGPL_OMR1BAL(PCIE2), CFG_PCIE_MEMBASE + + port * CFG_PCIE_MEMSIZE); mtdcr(DCRN_PEGPL_OMR1MSKH(PCIE2), 0x7fffffff); mtdcr(DCRN_PEGPL_OMR1MSKL(PCIE2), - ~(CFG_PCIE_MEMSIZE - 1) | 3); + ~(CFG_PCIE_MEMSIZE - 1) | 3); break; +#endif } - /* Set up 16GB inbound memory window at 0 */ + /* Set up 64MB inbound memory window at 0 */ out_le32(mbase + PCI_BASE_ADDRESS_0, 0); out_le32(mbase + PCI_BASE_ADDRESS_1, 0); - out_le32(mbase + PECFG_BAR0HMPA, 0x7fffffc); - out_le32(mbase + PECFG_BAR0LMPA, 0); - out_le32(mbase + PECFG_PIM0LAL, 0x00000000); - out_le32(mbase + PECFG_PIM0LAH, 0x00000004); /* pointing to SRAM */ + + out_le32(mbase + PECFG_PIM01SAH, 0xffffffff); + out_le32(mbase + PECFG_PIM01SAL, 0xfc000000); + + /* Setup BAR0 */ + out_le32(mbase + PECFG_BAR0HMPA, 0x7fffffff); + out_le32(mbase + PECFG_BAR0LMPA, 0xfc000000 | PCI_BASE_ADDRESS_MEM_TYPE_64); + + /* Disable BAR1 & BAR2 */ + out_le32(mbase + PECFG_BAR1MPA, 0); + out_le32(mbase + PECFG_BAR2HMPA, 0); + out_le32(mbase + PECFG_BAR2LMPA, 0); + + out_le32(mbase + PECFG_PIM0LAL, U64_TO_U32_LOW(CFG_PCIE_INBOUND_BASE)); + out_le32(mbase + PECFG_PIM0LAH, U64_TO_U32_HIGH(CFG_PCIE_INBOUND_BASE)); out_le32(mbase + PECFG_PIMEN, 0x1); /* Enable I/O, Mem, and Busmaster cycles */ out_le16((u16 *)(mbase + PCI_COMMAND), - in_le16((u16 *)(mbase + PCI_COMMAND)) | - PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - out_le16(mbase + 0x200,0xcaad); /* Setting vendor ID */ - out_le16(mbase + 0x202,0xfeed); /* Setting device ID */ + in_le16((u16 *)(mbase + PCI_COMMAND)) | + PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + out_le16(mbase + 0x200, 0xcaad); /* Setting vendor ID */ + out_le16(mbase + 0x202, 0xfeed); /* Setting device ID */ + + /* Set Class Code to Processor/PPC */ + out_le32(mbase + 0x208, 0x0b200001); + attempts = 10; - switch (port) { - case 0: - while (!(SDR_READ(PESDR0_RCSSTS) & (1 << 8))) { - if (!(attempts--)) { - printf("PCIE0: BMEN is not active\n"); - return -1; - } - mdelay(1000); - } - break; - case 1: - while (!(SDR_READ(PESDR1_RCSSTS) & (1 << 8))) { - if (!(attempts--)) { - printf("PCIE1: BMEN is not active\n"); - return -1; - } - mdelay(1000); - } - break; - case 2: - while (!(SDR_READ(PESDR2_RCSSTS) & (1 << 8))) { - if (!(attempts--)) { - printf("PCIE2: BMEN is not active\n"); - return -1; - } - mdelay(1000); + while(!(SDR_READ(SDRN_PESDR_RCSSTS(port)) & (1 << 8))) { + if (!(attempts--)) { + printf("PCIE%d: BME not active\n", port); + return -1; } - break; + mdelay(1000); } - printf("PCIE:%d successfully set as endpoint\n",port); + + printf("PCIE%d: successfully set as endpoint\n", port); return 0; } diff --git a/cpu/ppc4xx/serial.c b/cpu/ppc4xx/4xx_uart.c index 60712b1..ac2b12b 100644 --- a/cpu/ppc4xx/serial.c +++ b/cpu/ppc4xx/4xx_uart.c @@ -20,7 +20,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ -/*------------------------------------------------------------------------------+ */ + /* * This source code has been made available to you by IBM on an AS-IS * basis. Anyone receiving this source is licensed under IBM @@ -40,14 +40,11 @@ * COPYRIGHT I B M CORPORATION 1995 * LICENSED MATERIAL - PROGRAM PROPERTY OF I B M */ -/*------------------------------------------------------------------------------- */ -/* - * Travis Sawyer 15 September 2004 - * Added CONFIG_SERIAL_MULTI support - */ + #include <common.h> #include <commproc.h> #include <asm/processor.h> +#include <asm/io.h> #include <watchdog.h> #include "vecnum.h" @@ -61,212 +58,9 @@ DECLARE_GLOBAL_DATA_PTR; -/*****************************************************************************/ -#ifdef CONFIG_IOP480 - -#define SPU_BASE 0x40000000 - -#define spu_LineStat_rc 0x00 /* Line Status Register (Read/Clear) */ -#define spu_LineStat_w 0x04 /* Line Status Register (Set) */ -#define spu_Handshk_rc 0x08 /* Handshake Status Register (Read/Clear) */ -#define spu_Handshk_w 0x0c /* Handshake Status Register (Set) */ -#define spu_BRateDivh 0x10 /* Baud rate divisor high */ -#define spu_BRateDivl 0x14 /* Baud rate divisor low */ -#define spu_CtlReg 0x18 /* Control Register */ -#define spu_RxCmd 0x1c /* Rx Command Register */ -#define spu_TxCmd 0x20 /* Tx Command Register */ -#define spu_RxBuff 0x24 /* Rx data buffer */ -#define spu_TxBuff 0x24 /* Tx data buffer */ - -/*-----------------------------------------------------------------------------+ - | Line Status Register. - +-----------------------------------------------------------------------------*/ -#define asyncLSRport1 0x40000000 -#define asyncLSRport1set 0x40000004 -#define asyncLSRDataReady 0x80 -#define asyncLSRFramingError 0x40 -#define asyncLSROverrunError 0x20 -#define asyncLSRParityError 0x10 -#define asyncLSRBreakInterrupt 0x08 -#define asyncLSRTxHoldEmpty 0x04 -#define asyncLSRTxShiftEmpty 0x02 - -/*-----------------------------------------------------------------------------+ - | Handshake Status Register. - +-----------------------------------------------------------------------------*/ -#define asyncHSRport1 0x40000008 -#define asyncHSRport1set 0x4000000c -#define asyncHSRDsr 0x80 -#define asyncLSRCts 0x40 - -/*-----------------------------------------------------------------------------+ - | Control Register. - +-----------------------------------------------------------------------------*/ -#define asyncCRport1 0x40000018 -#define asyncCRNormal 0x00 -#define asyncCRLoopback 0x40 -#define asyncCRAutoEcho 0x80 -#define asyncCRDtr 0x20 -#define asyncCRRts 0x10 -#define asyncCRWordLength7 0x00 -#define asyncCRWordLength8 0x08 -#define asyncCRParityDisable 0x00 -#define asyncCRParityEnable 0x04 -#define asyncCREvenParity 0x00 -#define asyncCROddParity 0x02 -#define asyncCRStopBitsOne 0x00 -#define asyncCRStopBitsTwo 0x01 -#define asyncCRDisableDtrRts 0x00 - -/*-----------------------------------------------------------------------------+ - | Receiver Command Register. - +-----------------------------------------------------------------------------*/ -#define asyncRCRport1 0x4000001c -#define asyncRCRDisable 0x00 -#define asyncRCREnable 0x80 -#define asyncRCRIntDisable 0x00 -#define asyncRCRIntEnabled 0x20 -#define asyncRCRDMACh2 0x40 -#define asyncRCRDMACh3 0x60 -#define asyncRCRErrorInt 0x10 -#define asyncRCRPauseEnable 0x08 - -/*-----------------------------------------------------------------------------+ - | Transmitter Command Register. - +-----------------------------------------------------------------------------*/ -#define asyncTCRport1 0x40000020 -#define asyncTCRDisable 0x00 -#define asyncTCREnable 0x80 -#define asyncTCRIntDisable 0x00 -#define asyncTCRIntEnabled 0x20 -#define asyncTCRDMACh2 0x40 -#define asyncTCRDMACh3 0x60 -#define asyncTCRTxEmpty 0x10 -#define asyncTCRErrorInt 0x08 -#define asyncTCRStopPause 0x04 -#define asyncTCRBreakGen 0x02 - -/*-----------------------------------------------------------------------------+ - | Miscellanies defines. - +-----------------------------------------------------------------------------*/ -#define asyncTxBufferport1 0x40000024 -#define asyncRxBufferport1 0x40000024 -#define asyncDLABLsbport1 0x40000014 -#define asyncDLABMsbport1 0x40000010 -#define asyncXOFFchar 0x13 -#define asyncXONchar 0x11 - -/* - * Minimal serial functions needed to use one of the SMC ports - * as serial console interface. - */ - -int serial_init (void) -{ - volatile char val; - unsigned short br_reg; - - br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1); - - /* - * Init onboard UART - */ - out8 (SPU_BASE + spu_LineStat_rc, 0x78); /* Clear all bits in Line Status Reg */ - out8 (SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */ - out8 (SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */ - out8 (SPU_BASE + spu_CtlReg, 0x08); /* Set 8 bits, no parity and 1 stop bit */ - out8 (SPU_BASE + spu_RxCmd, 0xb0); /* Enable Rx */ - out8 (SPU_BASE + spu_TxCmd, 0x9c); /* Enable Tx */ - out8 (SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ - val = in8 (SPU_BASE + spu_RxBuff); /* Dummy read, to clear receiver */ - - return (0); -} - -void serial_setbrg (void) -{ - unsigned short br_reg; - - br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1); - - out8 (SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */ - out8 (SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */ -} - -void serial_putc (const char c) -{ - if (c == '\n') - serial_putc ('\r'); - - /* load status from handshake register */ - if (in8 (SPU_BASE + spu_Handshk_rc) != 00) - out8 (SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ - - out8 (SPU_BASE + spu_TxBuff, c); /* Put char */ - - while ((in8 (SPU_BASE + spu_LineStat_rc) & 04) != 04) { - if (in8 (SPU_BASE + spu_Handshk_rc) != 00) - out8 (SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ - } -} - -void serial_puts (const char *s) -{ - while (*s) { - serial_putc (*s++); - } -} - -int serial_getc () -{ - unsigned char status = 0; - - while (1) { - status = in8 (asyncLSRport1); - if ((status & asyncLSRDataReady) != 0x0) { - break; - } - if ((status & ( asyncLSRFramingError | - asyncLSROverrunError | - asyncLSRParityError | - asyncLSRBreakInterrupt )) != 0) { - (void) out8 (asyncLSRport1, - asyncLSRFramingError | - asyncLSROverrunError | - asyncLSRParityError | - asyncLSRBreakInterrupt ); - } - } - return (0x000000ff & (int) in8 (asyncRxBufferport1)); -} - -int serial_tstc () -{ - unsigned char status; - - status = in8 (asyncLSRport1); - if ((status & asyncLSRDataReady) != 0x0) { - return (1); - } - if ((status & ( asyncLSRFramingError | - asyncLSROverrunError | - asyncLSRParityError | - asyncLSRBreakInterrupt )) != 0) { - (void) out8 (asyncLSRport1, - asyncLSRFramingError | - asyncLSROverrunError | - asyncLSRParityError | - asyncLSRBreakInterrupt); - } - return 0; -} - -#endif /* CONFIG_IOP480 */ - -/*****************************************************************************/ #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ - defined(CONFIG_440) + defined(CONFIG_405EX) || defined(CONFIG_440) #if defined(CONFIG_440) #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ @@ -318,6 +112,15 @@ int serial_tstc () #define UCR0_UDIV_POS 0 #define UCR1_UDIV_POS 8 #define UDIV_MAX 127 +#elif defined(CONFIG_405EX) +#define UART0_BASE 0xef600200 +#define UART1_BASE 0xef600300 +#define CR0_MASK 0x000000ff +#define CR0_EXTCLK_ENA 0x00800000 +#define CR0_UDIV_POS 0 +#define UDIV_SUBTRACT 0 +#define UART0_SDR sdr_uart0 +#define UART1_SDR sdr_uart1 #else /* CONFIG_405GP || CONFIG_405CR */ #define UART0_BASE 0xef600300 #define UART1_BASE 0xef600400 @@ -336,12 +139,6 @@ int serial_tstc () #define ACTING_UART1_BASE UART1_BASE #endif -#if defined(CONFIG_SERIAL_MULTI) -#define UART_BASE dev_base -#else -#define UART_BASE ACTING_UART0_BASE -#endif - #if defined(CONFIG_405EP) && defined(CFG_EXT_SERIAL_CLOCK) #error "External serial clock not supported on AMCC PPC405EP!" #endif @@ -362,7 +159,6 @@ int serial_tstc () /*-----------------------------------------------------------------------------+ | Line Status Register. +-----------------------------------------------------------------------------*/ -/*#define asyncLSRport1 ACTING_UART0_BASE+0x05 */ #define asyncLSRDataReady1 0x01 #define asyncLSROverrunError1 0x02 #define asyncLSRParityError1 0x04 @@ -372,12 +168,6 @@ int serial_tstc () #define asyncLSRTxShiftEmpty1 0x40 #define asyncLSRRxFifoError1 0x80 -/*-----------------------------------------------------------------------------+ - | Miscellanies defines. - +-----------------------------------------------------------------------------*/ -/*#define asyncTxBufferport1 ACTING_UART0_BASE+0x00 */ -/*#define asyncRxBufferport1 ACTING_UART0_BASE+0x00 */ - #ifdef CONFIG_SERIAL_SOFTWARE_FIFO /*-----------------------------------------------------------------------------+ | Fifo @@ -391,7 +181,36 @@ typedef struct { volatile static serial_buffer_t buf_info; #endif -#if defined(CONFIG_440) && !defined(CFG_EXT_SERIAL_CLOCK) +static void serial_init_common(u32 base, u32 udiv, u16 bdiv) +{ + PPC4xx_SYS_INFO sys_info; + u8 val; + + get_sys_info(&sys_info); + + /* Correct UART frequency in bd-info struct now that + * the UART divisor is available + */ +#ifdef CFG_EXT_SERIAL_CLOCK + gd->uart_clk = CFG_EXT_SERIAL_CLOCK; +#else + gd->uart_clk = sys_info.freqUART / udiv; +#endif + + out_8((u8 *)base + UART_LCR, 0x80); /* set DLAB bit */ + out_8((u8 *)base + UART_DLL, bdiv); /* set baudrate divisor */ + out_8((u8 *)base + UART_DLM, bdiv >> 8); /* set baudrate divisor */ + out_8((u8 *)base + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */ + out_8((u8 *)base + UART_FCR, 0x00); /* disable FIFO */ + out_8((u8 *)base + UART_MCR, 0x00); /* no modem control DTR RTS */ + val = in_8((u8 *)base + UART_LSR); /* clear line status */ + val = in_8((u8 *)base + UART_RBR); /* read receive buffer */ + out_8((u8 *)base + UART_SCR, 0x00); /* set scratchpad */ + out_8((u8 *)base + UART_IER, 0x00); /* set interrupt enable reg */ +} + +#if (defined(CONFIG_440) || defined(CONFIG_405EX)) && \ + !defined(CFG_EXT_SERIAL_CLOCK) static void serial_divs (int baudrate, unsigned long *pudiv, unsigned short *pbdiv) { @@ -457,8 +276,8 @@ static void serial_divs (int baudrate, unsigned long *pudiv, get_sys_info(&sysinfo); plloutb = ((CONFIG_SYS_CLK_FREQ * ((cpr_pllc & PLLC_SRC_MASK) ? - sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * sysinfo.pllFbkDiv) / - sysinfo.pllFwdDivB); + sysinfo.pllFwdDivB : sysinfo.pllFwdDiv) * + sysinfo.pllFbkDiv) / sysinfo.pllFwdDivB); udiv = 256; /* Assume lowest possible serial clk */ div = plloutb / (16 * baudrate); /* total divisor */ umin = (plloutb / get_OPB_freq()) << 1; /* 2 x OPB divisor */ @@ -496,16 +315,11 @@ static void serial_divs (int baudrate, unsigned long *pudiv, */ #if defined(CONFIG_440) -#if defined(CONFIG_SERIAL_MULTI) -int serial_init_dev (unsigned long dev_base) -#else -int serial_init(void) -#endif +int serial_init_dev(unsigned long base) { unsigned long reg; unsigned long udiv; unsigned short bdiv; - volatile char val; #ifdef CFG_EXT_SERIAL_CLOCK unsigned long tmp; #endif @@ -543,36 +357,46 @@ int serial_init(void) MTREG(UART3_SDR, reg); #endif - out8(UART_BASE + UART_LCR, 0x80); /* set DLAB bit */ - out8(UART_BASE + UART_DLL, bdiv); /* set baudrate divisor */ - out8(UART_BASE + UART_DLM, bdiv >> 8); /* set baudrate divisor */ - out8(UART_BASE + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */ - out8(UART_BASE + UART_FCR, 0x00); /* disable FIFO */ - out8(UART_BASE + UART_MCR, 0x00); /* no modem control DTR RTS */ - val = in8(UART_BASE + UART_LSR); /* clear line status */ - val = in8(UART_BASE + UART_RBR); /* read receive buffer */ - out8(UART_BASE + UART_SCR, 0x00); /* set scratchpad */ - out8(UART_BASE + UART_IER, 0x00); /* set interrupt enable reg */ + serial_init_common(base, udiv, bdiv); return (0); } #else /* !defined(CONFIG_440) */ -#if defined(CONFIG_SERIAL_MULTI) -int serial_init_dev (unsigned long dev_base) -#else -int serial_init (void) -#endif +int serial_init_dev (unsigned long base) { unsigned long reg; unsigned long tmp; unsigned long clk; unsigned long udiv; unsigned short bdiv; - volatile char val; -#if defined(CONFIG_405EZ) +#ifdef CONFIG_405EX + clk = tmp = 0; + mfsdr(UART0_SDR, reg); + reg &= ~CR0_MASK; +#ifdef CFG_EXT_SERIAL_CLOCK + reg |= CR0_EXTCLK_ENA; + udiv = 1; + tmp = gd->baudrate * 16; + bdiv = (CFG_EXT_SERIAL_CLOCK + tmp / 2) / tmp; +#else + serial_divs(gd->baudrate, &udiv, &bdiv); +#endif + reg |= (udiv - UDIV_SUBTRACT) << CR0_UDIV_POS; /* set the UART divisor */ + + /* + * Configure input clock to baudrate generator for all + * available serial ports here + */ + mtsdr(UART0_SDR, reg); + +#if defined(UART1_SDR) + mtsdr(UART1_SDR, reg); +#endif + +#elif defined(CONFIG_405EZ) serial_divs(gd->baudrate, &udiv, &bdiv); clk = tmp = reg = 0; #else @@ -608,81 +432,44 @@ int serial_init (void) #endif /* CONFIG_405EP */ tmp = gd->baudrate * udiv * 16; bdiv = (clk + tmp / 2) / tmp; -#endif /* CONFIG_405EZ */ - - out8(UART_BASE + UART_LCR, 0x80); /* set DLAB bit */ - out8(UART_BASE + UART_DLL, bdiv); /* set baudrate divisor */ - out8(UART_BASE + UART_DLM, bdiv >> 8); /* set baudrate divisor */ - out8(UART_BASE + UART_LCR, 0x03); /* clear DLAB; set 8 bits, no parity */ - out8(UART_BASE + UART_FCR, 0x00); /* disable FIFO */ - out8(UART_BASE + UART_MCR, 0x00); /* no modem control DTR RTS */ - val = in8(UART_BASE + UART_LSR); /* clear line status */ - val = in8(UART_BASE + UART_RBR); /* read receive buffer */ - out8(UART_BASE + UART_SCR, 0x00); /* set scratchpad */ - out8(UART_BASE + UART_IER, 0x00); /* set interrupt enable reg */ +#endif /* CONFIG_405EX */ + + serial_init_common(base, udiv, bdiv); return (0); } #endif /* if defined(CONFIG_440) */ -#if defined(CONFIG_SERIAL_MULTI) -void serial_setbrg_dev (unsigned long dev_base) -#else -void serial_setbrg (void) -#endif +void serial_setbrg_dev(unsigned long base) { -#if defined(CONFIG_SERIAL_MULTI) - serial_init_dev(dev_base); -#else - serial_init(); -#endif + serial_init_dev(base); } -#if defined(CONFIG_SERIAL_MULTI) -void serial_putc_dev (unsigned long dev_base, const char c) -#else -void serial_putc (const char c) -#endif +void serial_putc_dev(unsigned long base, const char c) { int i; if (c == '\n') -#if defined(CONFIG_SERIAL_MULTI) - serial_putc_dev (dev_base, '\r'); -#else - serial_putc ('\r'); -#endif + serial_putc_dev(base, '\r'); /* check THRE bit, wait for transmiter available */ for (i = 1; i < 3500; i++) { - if ((in8 (UART_BASE + UART_LSR) & 0x20) == 0x20) + if ((in_8((u8 *)base + UART_LSR) & 0x20) == 0x20) break; udelay (100); } - out8 (UART_BASE + UART_THR, c); /* put character out */ + + out_8((u8 *)base + UART_THR, c); /* put character out */ } -#if defined(CONFIG_SERIAL_MULTI) -void serial_puts_dev (unsigned long dev_base, const char *s) -#else -void serial_puts (const char *s) -#endif +void serial_puts_dev (unsigned long base, const char *s) { - while (*s) { -#if defined(CONFIG_SERIAL_MULTI) - serial_putc_dev (dev_base, *s++); -#else - serial_putc (*s++); -#endif - } + while (*s) + serial_putc_dev (base, *s++); } -#if defined(CONFIG_SERIAL_MULTI) -int serial_getc_dev (unsigned long dev_base) -#else -int serial_getc (void) -#endif +int serial_getc_dev (unsigned long base) { unsigned char status = 0; @@ -690,46 +477,45 @@ int serial_getc (void) #if defined(CONFIG_HW_WATCHDOG) WATCHDOG_RESET (); /* Reset HW Watchdog, if needed */ #endif /* CONFIG_HW_WATCHDOG */ - status = in8 (UART_BASE + UART_LSR); - if ((status & asyncLSRDataReady1) != 0x0) { + + status = in_8((u8 *)base + UART_LSR); + if ((status & asyncLSRDataReady1) != 0x0) break; - } + if ((status & ( asyncLSRFramingError1 | asyncLSROverrunError1 | asyncLSRParityError1 | asyncLSRBreakInterrupt1 )) != 0) { - out8 (UART_BASE + UART_LSR, + out_8((u8 *)base + UART_LSR, asyncLSRFramingError1 | asyncLSROverrunError1 | asyncLSRParityError1 | asyncLSRBreakInterrupt1); } } - return (0x000000ff & (int) in8 (UART_BASE)); + + return (0x000000ff & (int) in_8((u8 *)base)); } -#if defined(CONFIG_SERIAL_MULTI) -int serial_tstc_dev (unsigned long dev_base) -#else -int serial_tstc (void) -#endif +int serial_tstc_dev (unsigned long base) { unsigned char status; - status = in8 (UART_BASE + UART_LSR); - if ((status & asyncLSRDataReady1) != 0x0) { + status = in_8((u8 *)base + UART_LSR); + if ((status & asyncLSRDataReady1) != 0x0) return (1); - } + if ((status & ( asyncLSRFramingError1 | asyncLSROverrunError1 | asyncLSRParityError1 | asyncLSRBreakInterrupt1 )) != 0) { - out8 (UART_BASE + UART_LSR, + out_8((u8 *)base + UART_LSR, asyncLSRFramingError1 | asyncLSROverrunError1 | asyncLSRParityError1 | asyncLSRBreakInterrupt1); } + return 0; } @@ -742,11 +528,11 @@ void serial_isr (void *arg) const int rx_get = buf_info.rx_get; int rx_put = buf_info.rx_put; - if (rx_get <= rx_put) { + if (rx_get <= rx_put) space = CONFIG_SERIAL_SOFTWARE_FIFO - (rx_put - rx_get); - } else { + else space = rx_get - rx_put; - } + while (serial_tstc_dev (ACTING_UART0_BASE)) { c = serial_getc_dev (ACTING_UART0_BASE); if (space) { @@ -757,8 +543,9 @@ void serial_isr (void *arg) rx_put = 0; if (space < CONFIG_SERIAL_SOFTWARE_FIFO / 4) { /* Stop flow by setting RTS inactive */ - out8 (ACTING_UART0_BASE + UART_MCR, - in8 (ACTING_UART0_BASE + UART_MCR) & (0xFF ^ 0x02)); + out_8((u8 *)ACTING_UART0_BASE + UART_MCR, + in_8((u8 *)ACTING_UART0_BASE + UART_MCR) & + (0xFF ^ 0x02)); } } buf_info.rx_put = rx_put; @@ -771,35 +558,35 @@ void serial_buffered_init (void) buf_info.rx_put = 0; buf_info.rx_get = 0; - if (in8 (ACTING_UART0_BASE + UART_MSR) & 0x10) { + if (in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10) serial_puts ("Check CTS signal present on serial port: OK.\n"); - } else { + else serial_puts ("WARNING: CTS signal not present on serial port.\n"); - } irq_install_handler ( VECNUM_U0 /*UART0 */ /*int vec */ , serial_isr /*interrupt_handler_t *handler */ , (void *) &buf_info /*void *arg */ ); /* Enable "RX Data Available" Interrupt on UART */ - /* out8(ACTING_UART0_BASE + UART_IER, in8(ACTING_UART0_BASE + UART_IER) |0x01); */ - out8 (ACTING_UART0_BASE + UART_IER, 0x01); + out_8(ACTING_UART0_BASE + UART_IER, 0x01); /* Set DTR active */ - out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x01); + out_8(ACTING_UART0_BASE + UART_MCR, + in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x01); /* Start flow by setting RTS active */ - out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x02); + out_8(ACTING_UART0_BASE + UART_MCR, + in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x02); /* Setup UART FIFO: RX trigger level: 4 byte, Enable FIFO */ - out8 (ACTING_UART0_BASE + UART_FCR, (1 << 6) | 1); + out_8(ACTING_UART0_BASE + UART_FCR, (1 << 6) | 1); } void serial_buffered_putc (const char c) { /* Wait for CTS */ #if defined(CONFIG_HW_WATCHDOG) - while (!(in8 (ACTING_UART0_BASE + UART_MSR) & 0x10)) + while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10)) WATCHDOG_RESET (); #else - while (!(in8 (ACTING_UART0_BASE + UART_MSR) & 0x10)); + while (!(in_8((u8 *)ACTING_UART0_BASE + UART_MSR) & 0x10)); #endif serial_putc (c); } @@ -828,14 +615,15 @@ int serial_buffered_getc (void) buf_info.rx_get = rx_get; rx_put = buf_info.rx_put; - if (rx_get <= rx_put) { + if (rx_get <= rx_put) space = CONFIG_SERIAL_SOFTWARE_FIFO - (rx_put - rx_get); - } else { + else space = rx_get - rx_put; - } + if (space > CONFIG_SERIAL_SOFTWARE_FIFO / 2) { /* Start flow by setting RTS active */ - out8 (ACTING_UART0_BASE + UART_MCR, in8 (ACTING_UART0_BASE + UART_MCR) | 0x02); + out_8(ACTING_UART0_BASE + UART_MCR, + in_8((u8 *)ACTING_UART0_BASE + UART_MCR) | 0x02); } return c; @@ -860,8 +648,8 @@ int serial_buffered_tstc (void) #if (CONFIG_KGDB_SER_INDEX & 2) void kgdb_serial_init (void) { - volatile char val; - unsigned short br_reg; + u8 val; + u16 br_reg; get_clocks (); br_reg = (((((gd->cpu_clk / 16) / 18) * 10) / CONFIG_KGDB_BAUDRATE) + @@ -869,16 +657,16 @@ void kgdb_serial_init (void) /* * Init onboard 16550 UART */ - out8 (ACTING_UART1_BASE + UART_LCR, 0x80); /* set DLAB bit */ - out8 (ACTING_UART1_BASE + UART_DLL, (br_reg & 0x00ff)); /* set divisor for 9600 baud */ - out8 (ACTING_UART1_BASE + UART_DLM, ((br_reg & 0xff00) >> 8)); /* set divisor for 9600 baud */ - out8 (ACTING_UART1_BASE + UART_LCR, 0x03); /* line control 8 bits no parity */ - out8 (ACTING_UART1_BASE + UART_FCR, 0x00); /* disable FIFO */ - out8 (ACTING_UART1_BASE + UART_MCR, 0x00); /* no modem control DTR RTS */ - val = in8 (ACTING_UART1_BASE + UART_LSR); /* clear line status */ - val = in8 (ACTING_UART1_BASE + UART_RBR); /* read receive buffer */ - out8 (ACTING_UART1_BASE + UART_SCR, 0x00); /* set scratchpad */ - out8 (ACTING_UART1_BASE + UART_IER, 0x00); /* set interrupt enable reg */ + out_8((u8 *)ACTING_UART1_BASE + UART_LCR, 0x80); /* set DLAB bit */ + out_8((u8 *)ACTING_UART1_BASE + UART_DLL, (br_reg & 0x00ff)); /* set divisor for 9600 baud */ + out_8((u8 *)ACTING_UART1_BASE + UART_DLM, ((br_reg & 0xff00) >> 8)); /* set divisor for 9600 baud */ + out_8((u8 *)ACTING_UART1_BASE + UART_LCR, 0x03); /* line control 8 bits no parity */ + out_8((u8 *)ACTING_UART1_BASE + UART_FCR, 0x00); /* disable FIFO */ + out_8((u8 *)ACTING_UART1_BASE + UART_MCR, 0x00); /* no modem control DTR RTS */ + val = in_8((u8 *)ACTING_UART1_BASE + UART_LSR); /* clear line status */ + val = in_8((u8 *)ACTING_UART1_BASE + UART_RBR); /* read receive buffer */ + out_8((u8 *)ACTING_UART1_BASE + UART_SCR, 0x00); /* set scratchpad */ + out_8((u8 *)ACTING_UART1_BASE + UART_IER, 0x00); /* set interrupt enable reg */ } void putDebugChar (const char c) @@ -886,17 +674,16 @@ void putDebugChar (const char c) if (c == '\n') serial_putc ('\r'); - out8 (ACTING_UART1_BASE + UART_THR, c); /* put character out */ + out_8((u8 *)ACTING_UART1_BASE + UART_THR, c); /* put character out */ /* check THRE bit, wait for transfer done */ - while ((in8 (ACTING_UART1_BASE + UART_LSR) & 0x20) != 0x20); + while ((in_8((u8 *)ACTING_UART1_BASE + UART_LSR) & 0x20) != 0x20); } void putDebugStr (const char *s) { - while (*s) { + while (*s) serial_putc (*s++); - } } int getDebugChar (void) @@ -904,22 +691,23 @@ int getDebugChar (void) unsigned char status = 0; while (1) { - status = in8 (ACTING_UART1_BASE + UART_LSR); - if ((status & asyncLSRDataReady1) != 0x0) { + status = in_8((u8 *)ACTING_UART1_BASE + UART_LSR); + if ((status & asyncLSRDataReady1) != 0x0) break; - } - if ((status & ( asyncLSRFramingError1 | - asyncLSROverrunError1 | - asyncLSRParityError1 | - asyncLSRBreakInterrupt1 )) != 0) { - out8 (ACTING_UART1_BASE + UART_LSR, + + if ((status & (asyncLSRFramingError1 | + asyncLSROverrunError1 | + asyncLSRParityError1 | + asyncLSRBreakInterrupt1 )) != 0) { + out_8((u8 *)ACTING_UART1_BASE + UART_LSR, asyncLSRFramingError1 | asyncLSROverrunError1 | asyncLSRParityError1 | asyncLSRBreakInterrupt1); } } - return (0x000000ff & (int) in8 (ACTING_UART1_BASE)); + + return (0x000000ff & (int) in_8((u8 *)ACTING_UART1_BASE)); } void kgdb_interruptible (int yes) @@ -967,10 +755,12 @@ int serial1_init(void) { return (serial_init_dev(UART1_BASE)); } + void serial0_setbrg (void) { serial_setbrg_dev(UART0_BASE); } + void serial1_setbrg (void) { serial_setbrg_dev(UART1_BASE); @@ -985,6 +775,7 @@ void serial1_putc(const char c) { serial_putc_dev(UART1_BASE, c); } + void serial0_puts(const char *s) { serial_puts_dev(UART0_BASE, s); @@ -1004,6 +795,7 @@ int serial1_getc(void) { return(serial_getc_dev(UART1_BASE)); } + int serial0_tstc(void) { return (serial_tstc_dev(UART0_BASE)); @@ -1037,6 +829,39 @@ struct serial_device serial1_device = serial1_putc, serial1_puts, }; +#else +/* + * Wrapper functions + */ +int serial_init(void) +{ + return serial_init_dev(ACTING_UART0_BASE); +} + +void serial_setbrg(void) +{ + serial_setbrg_dev(ACTING_UART0_BASE); +} + +void serial_putc(const char c) +{ + serial_putc_dev(ACTING_UART0_BASE, c); +} + +void serial_puts(const char *s) +{ + serial_puts_dev(ACTING_UART0_BASE, s); +} + +int serial_getc(void) +{ + return serial_getc_dev(ACTING_UART0_BASE); +} + +int serial_tstc(void) +{ + return serial_tstc_dev(ACTING_UART0_BASE); +} #endif /* CONFIG_SERIAL_MULTI */ #endif /* CONFIG_405GP || CONFIG_405CR */ diff --git a/cpu/ppc4xx/Makefile b/cpu/ppc4xx/Makefile index af9da5b..9155e9a 100644 --- a/cpu/ppc4xx/Makefile +++ b/cpu/ppc4xx/Makefile @@ -25,15 +25,38 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a -START = start.o resetvec.o kgdb.o -SOBJS = dcr.o -COBJS = 405gp_pci.o 440spe_pcie.o 4xx_enet.o \ - bedbug_405.o commproc.o \ - cpu.o cpu_init.o gpio.o i2c.o interrupts.o \ - miiphy.o ndfc.o sdram.o serial.o \ - 40x_spd_sdram.o 44x_spd_ddr.o 44x_spd_ddr2.o speed.o \ - tlb.o traps.o usb_ohci.o usb.o usbdev.o \ - 440spe_pcie.o +START := resetvec.o +START += start.o + +SOBJS := cache.o +SOBJS += dcr.o +SOBJS += kgdb.o + +COBJS := 40x_spd_sdram.o +COBJS += 44x_spd_ddr.o +COBJS += 44x_spd_ddr2.o +COBJS += 4xx_enet.o +COBJS += 4xx_pci.o +COBJS += 4xx_pcie.o +COBJS += 4xx_uart.o +COBJS += bedbug_405.o +COBJS += commproc.o +COBJS += cpu.o +COBJS += cpu_init.o +COBJS += fdt.o +COBJS += gpio.o +COBJS += i2c.o +COBJS += interrupts.o +COBJS += iop480_uart.o +COBJS += miiphy.o +COBJS += ndfc.o +COBJS += sdram.o +COBJS += speed.o +COBJS += tlb.o +COBJS += traps.o +COBJS += usb.o +COBJS += usb_ohci.o +COBJS += usbdev.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/ppc4xx/cache.S b/cpu/ppc4xx/cache.S new file mode 100644 index 0000000..5124dec --- /dev/null +++ b/cpu/ppc4xx/cache.S @@ -0,0 +1,233 @@ +/* + * This file contains miscellaneous low-level functions. + * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * + * Largely rewritten by Cort Dougan (cort@cs.nmt.edu) + * and Paul Mackerras. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + */ + +#include <config.h> +#include <config.h> +#include <ppc4xx.h> +#include <ppc_asm.tmpl> +#include <ppc_defs.h> +#include <asm/cache.h> +#include <asm/mmu.h> + +/* + * Flush instruction cache. + */ +_GLOBAL(invalidate_icache) + iccci r0,r0 + isync + blr + +/* + * Write any modified data cache blocks out to memory + * and invalidate the corresponding instruction cache blocks. + * + * flush_icache_range(unsigned long start, unsigned long stop) + */ +_GLOBAL(flush_icache_range) + li r5,L1_CACHE_BYTES-1 + andc r3,r3,r5 + subf r4,r3,r4 + add r4,r4,r5 + srwi. r4,r4,L1_CACHE_SHIFT + beqlr + mtctr r4 + mr r6,r3 +1: dcbst 0,r3 + addi r3,r3,L1_CACHE_BYTES + bdnz 1b + sync /* wait for dcbst's to get to ram */ + mtctr r4 +2: icbi 0,r6 + addi r6,r6,L1_CACHE_BYTES + bdnz 2b + sync /* additional sync needed on g4 */ + isync + blr + +/* + * Write any modified data cache blocks out to memory. + * Does not invalidate the corresponding cache lines (especially for + * any corresponding instruction cache). + * + * clean_dcache_range(unsigned long start, unsigned long stop) + */ +_GLOBAL(clean_dcache_range) + li r5,L1_CACHE_BYTES-1 + andc r3,r3,r5 + subf r4,r3,r4 + add r4,r4,r5 + srwi. r4,r4,L1_CACHE_SHIFT + beqlr + mtctr r4 + +1: dcbst 0,r3 + addi r3,r3,L1_CACHE_BYTES + bdnz 1b + sync /* wait for dcbst's to get to ram */ + blr + +/* + * Write any modified data cache blocks out to memory and invalidate them. + * Does not invalidate the corresponding instruction cache blocks. + * + * flush_dcache_range(unsigned long start, unsigned long stop) + */ +_GLOBAL(flush_dcache_range) + li r5,L1_CACHE_BYTES-1 + andc r3,r3,r5 + subf r4,r3,r4 + add r4,r4,r5 + srwi. r4,r4,L1_CACHE_SHIFT + beqlr + mtctr r4 + +1: dcbf 0,r3 + addi r3,r3,L1_CACHE_BYTES + bdnz 1b + sync /* wait for dcbst's to get to ram */ + blr + +/* + * Like above, but invalidate the D-cache. This is used by the 8xx + * to invalidate the cache so the PPC core doesn't get stale data + * from the CPM (no cache snooping here :-). + * + * invalidate_dcache_range(unsigned long start, unsigned long stop) + */ +_GLOBAL(invalidate_dcache_range) + li r5,L1_CACHE_BYTES-1 + andc r3,r3,r5 + subf r4,r3,r4 + add r4,r4,r5 + srwi. r4,r4,L1_CACHE_SHIFT + beqlr + mtctr r4 + +1: dcbi 0,r3 + addi r3,r3,L1_CACHE_BYTES + bdnz 1b + sync /* wait for dcbi's to get to ram */ + blr + +/* + * 40x cores have 8K or 16K dcache and 32 byte line size. + * 44x has a 32K dcache and 32 byte line size. + * 8xx has 1, 2, 4, 8K variants. + * For now, cover the worst case of the 44x. + * Must be called with external interrupts disabled. + */ +#define CACHE_NWAYS 64 +#define CACHE_NLINES 32 + +_GLOBAL(flush_dcache) + li r4,(2 * CACHE_NWAYS * CACHE_NLINES) + mtctr r4 + lis r5,0 +1: lwz r3,0(r5) /* Load one word from every line */ + addi r5,r5,L1_CACHE_BYTES + bdnz 1b + sync + blr + +_GLOBAL(invalidate_dcache) + addi r6,0,0x0000 /* clear GPR 6 */ + /* Do loop for # of dcache congruence classes. */ + lis r7,(CFG_DCACHE_SIZE / L1_CACHE_BYTES / 2)@ha /* TBS for large sized cache */ + ori r7,r7,(CFG_DCACHE_SIZE / L1_CACHE_BYTES / 2)@l + /* NOTE: dccci invalidates both */ + mtctr r7 /* ways in the D cache */ +..dcloop: + dccci 0,r6 /* invalidate line */ + addi r6,r6,L1_CACHE_BYTES /* bump to next line */ + bdnz ..dcloop + sync + blr + +/* + * Cache functions. + * + * NOTE: currently the 440s run with dcache _disabled_ once relocated to DRAM, + * although for some cache-ralated calls stubs have to be provided to satisfy + * symbols resolution. + * Icache-related functions are used in POST framework. + * + */ +#ifdef CONFIG_440 + + .globl dcache_disable + .globl icache_disable + .globl icache_enable +dcache_disable: +icache_disable: +icache_enable: + blr + + .globl dcache_status + .globl icache_status +dcache_status: +icache_status: + mr r3, 0 + blr + +#else /* CONFIG_440 */ + + .globl icache_enable +icache_enable: + mflr r8 + bl invalidate_icache + mtlr r8 + isync + addis r3,r0, 0xc000 /* set bit 0 */ + mticcr r3 + blr + + .globl icache_disable +icache_disable: + addis r3,r0, 0x0000 /* clear bit 0 */ + mticcr r3 + isync + blr + + .globl icache_status +icache_status: + mficcr r3 + srwi r3, r3, 31 /* >>31 => select bit 0 */ + blr + + .globl dcache_enable +dcache_enable: + mflr r8 + bl invalidate_dcache + mtlr r8 + isync + addis r3,r0, 0x8000 /* set bit 0 */ + mtdccr r3 + blr + + .globl dcache_disable +dcache_disable: + mflr r8 + bl flush_dcache + mtlr r8 + addis r3,r0, 0x0000 /* clear bit 0 */ + mtdccr r3 + blr + + .globl dcache_status +dcache_status: + mfdccr r3 + srwi r3, r3, 31 /* >>31 => select bit 0 */ + blr + +#endif /* CONFIG_440 */ diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index c07bc0c..9e9c685 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2006 + * (C) Copyright 2000-2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -37,22 +37,9 @@ #include <asm/cache.h> #include <ppc4xx.h> -#if !defined(CONFIG_405) DECLARE_GLOBAL_DATA_PTR; -#endif -#if defined(CONFIG_BOARD_RESET) void board_reset(void); -#endif - -#if defined(CONFIG_440) -#define FREQ_EBC (sys_info.freqEPB) -#elif defined(CONFIG_405EZ) -#define FREQ_EBC ((CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / \ - sys_info.pllExtBusDiv) -#else -#define FREQ_EBC (sys_info.freqPLB / sys_info.pllExtBusDiv) -#endif #if defined(CONFIG_405GP) || \ defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ @@ -60,7 +47,7 @@ void board_reset(void); #define PCI_ASYNC -int pci_async_enabled(void) +static int pci_async_enabled(void) { #if defined(CONFIG_405GP) return (mfdcr(strap) & PSR_PCI_ASYNC_EN); @@ -76,8 +63,9 @@ int pci_async_enabled(void) } #endif -#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405) -int pci_arbiter_enabled(void) +#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && \ + !defined(CONFIG_405) && !defined(CONFIG_405EX) +static int pci_arbiter_enabled(void) { #if defined(CONFIG_405GP) return (mfdcr(strap) & PSR_PCI_ARBIT_EN); @@ -107,14 +95,10 @@ int pci_arbiter_enabled(void) } #endif -#if defined(CONFIG_405EP) || defined(CONFIG_440GX) || \ - defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) - +#if defined(CONFIG_405EP) #define I2C_BOOTROM -int i2c_bootrom_enabled(void) +static int i2c_bootrom_enabled(void) { #if defined(CONFIG_405EP) return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP); @@ -207,6 +191,21 @@ static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', \ 'I', 'x', 'K', 'L', 'M', 'N', 'O', 'P' }; #endif +#if defined(CONFIG_405EX) +#define SDR0_PINSTP_SHIFT 29 +static char *bootstrap_str[] = { + "EBC (8 bits)", + "EBC (16 bits)", + "EBC (16 bits)", + "NAND (8 bits)", + "NAND (8 bits)", + "I2C (Addr 0x54)", + "EBC (8 bits)", + "I2C (Addr 0x52)", +}; +static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' }; +#endif + #if defined(SDR0_PINSTP_SHIFT) static int bootstrap_option(void) { @@ -219,7 +218,19 @@ static int bootstrap_option(void) #if defined(CONFIG_440) -static int do_chip_reset(unsigned long sys0, unsigned long sys1); +static int do_chip_reset (unsigned long sys0, unsigned long sys1) +{ + /* Changes to cpc0_sys0 and cpc0_sys1 require chip + * reset. + */ + mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000); /* Set SWE */ + mtdcr (cpc0_sys0, sys0); + mtdcr (cpc0_sys1, sys1); + mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000); /* Clr SWE */ + mtspr (dbcr0, 0x20000000); /* Reset the chip */ + + return 1; +} #endif @@ -241,7 +252,8 @@ int checkcpu (void) puts("AMCC PowerPC 4"); #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ - defined(CONFIG_405EP) || defined(CONFIG_405EZ) + defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ + defined(CONFIG_405EX) puts("05"); #endif #if defined(CONFIG_440) @@ -293,6 +305,26 @@ int checkcpu (void) puts("EZ Rev. A"); break; + case PVR_405EX1_RA: + puts("EX Rev. A"); + strcpy(addstr, "Security support"); + break; + + case PVR_405EX2_RA: + puts("EX Rev. A"); + strcpy(addstr, "No Security support"); + break; + + case PVR_405EXR1_RA: + puts("EXr Rev. A"); + strcpy(addstr, "Security support"); + break; + + case PVR_405EXR2_RA: + puts("EXr Rev. A"); + strcpy(addstr, "No Security support"); + break; + #if defined(CONFIG_440) case PVR_440GP_RB: puts("GP Rev. B"); @@ -424,7 +456,7 @@ int checkcpu (void) printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock), sys_info.freqPLB / 1000000, get_OPB_freq() / 1000000, - FREQ_EBC / 1000000); + sys_info.freqEBC / 1000000); if (addstr[0] != 0) printf(" %s\n", addstr); @@ -437,7 +469,7 @@ int checkcpu (void) printf ("Boot ROM Location %s\n", bootstrap_str[bootstrap_option()]); #endif /* SDR0_PINSTP_SHIFT */ -#if defined(CONFIG_PCI) +#if defined(CONFIG_PCI) && !defined(CONFIG_405EX) printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis"); #endif @@ -450,11 +482,11 @@ int checkcpu (void) } #endif -#if defined(CONFIG_PCI) +#if defined(CONFIG_PCI) && !defined(CONFIG_405EX) putc('\n'); #endif -#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) +#if defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_405EX) printf (" 16 kB I-Cache 16 kB D-Cache"); #elif defined(CONFIG_440) printf (" 32 kB I-Cache 32 kB D-Cache"); @@ -478,7 +510,6 @@ int checkcpu (void) return 0; } -#if defined (CONFIG_440SPE) int ppc440spe_revB() { unsigned int pvr; @@ -488,7 +519,6 @@ int ppc440spe_revB() { else return 0; } -#endif /* ------------------------------------------------------------------------- */ @@ -510,22 +540,6 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 1; } -#if defined(CONFIG_440) -static int do_chip_reset (unsigned long sys0, unsigned long sys1) -{ - /* Changes to cpc0_sys0 and cpc0_sys1 require chip - * reset. - */ - mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000); /* Set SWE */ - mtdcr (cpc0_sys0, sys0); - mtdcr (cpc0_sys1, sys1); - mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000); /* Clr SWE */ - mtspr (dbcr0, 0x20000000); /* Reset the chip */ - - return 1; -} -#endif - /* * Get timebase clock frequency @@ -545,16 +559,14 @@ unsigned long get_tbclk (void) #if defined(CONFIG_WATCHDOG) -void -watchdog_reset(void) +void watchdog_reset(void) { int re_enable = disable_interrupts(); reset_4xx_watchdog(); if (re_enable) enable_interrupts(); } -void -reset_4xx_watchdog(void) +void reset_4xx_watchdog(void) { /* * Clear TSR(WIS) bit diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 351da36..01ab523 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2006 + * (C) Copyright 2000-2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -112,7 +112,7 @@ cpu_init_f (void) unsigned long val; #endif -#if defined(CONFIG_405EP) +#if (defined(CONFIG_405EP) || defined (CONFIG_405EX)) && !defined(CFG_4xx_GPIO_TABLE) /* * GPIO0 setup (select GPIO or alternate function) */ @@ -128,17 +128,25 @@ cpu_init_f (void) out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L); out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */ out32(GPIO0_TSRL, CFG_GPIO0_TSRL); +#if defined(CFG_GPIO0_ISR2H) + out32(GPIO0_ISR2H, CFG_GPIO0_ISR2H); + out32(GPIO0_ISR2L, CFG_GPIO0_ISR2L); +#endif +#if defined (CFG_GPIO0_TCR) out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */ +#endif +#if defined (CONFIG_450EP) /* * Set EMAC noise filter bits */ mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE); #endif /* CONFIG_405EP */ +#endif /* CONFIG_405EP */ -#if defined(CFG_440_GPIO_TABLE) +#if defined(CFG_4xx_GPIO_TABLE) gpio_set_chip_configuration(); -#endif /* CFG_440_GPIO_TABLE */ +#endif /* CFG_4xx_GPIO_TABLE */ /* * External Bus Controller (EBC) Setup @@ -146,7 +154,7 @@ cpu_init_f (void) #if (defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) #if (defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ - defined(CONFIG_405)) + defined(CONFIG_405EX) || defined(CONFIG_405)) /* * Move the next instructions into icache, since these modify the flash * we are running from! diff --git a/cpu/ppc4xx/fdt.c b/cpu/ppc4xx/fdt.c new file mode 100644 index 0000000..dcedbbb --- /dev/null +++ b/cpu/ppc4xx/fdt.c @@ -0,0 +1,178 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* define DEBUG for debugging output (obviously ;-)) */ +#if 0 +#define DEBUG +#endif + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <asm/cache.h> +#include <ppc4xx.h> + +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#include <libfdt_env.h> + +DECLARE_GLOBAL_DATA_PTR; + +static void do_fixup(void *fdt, const char *node, const char *prop, + const void *val, int len, int create) +{ +#if defined(DEBUG) + int i; + debug("Updating property '%s/%s' = ", node, prop); + for (i = 0; i < len; i++) + debug(" %.2x", *(u8*)(val+i)); + debug("(%d)\n", *(u32 *)val); +#endif + int rc = fdt_find_and_setprop(fdt, node, prop, val, len, create); + if (rc) + printf("Unable to update property %s:%s, err=%s\n", + node, prop, fdt_strerror(rc)); +} + +static void do_fixup_macaddr(void *fdt, int offset, const void *val, int i) +{ + int rc; + + debug("Updating node EMAC%d\n", i); + + rc = fdt_setprop(fdt, offset, "mac-address", val, 6); + if (rc) + printf("Unable to update property %s, err=%s\n", + "mac-address", fdt_strerror(rc)); + rc = fdt_setprop(fdt, offset, "local-mac-address", val, 6); + if (rc) + printf("Unable to update property %s, err=%s\n", + "local-mac-address", fdt_strerror(rc)); +} + +static void do_fixup_u32(void *fdt, const char *node, const char *prop, + u32 val, int create) +{ + val = cpu_to_fdt32(val); + do_fixup(fdt, node, prop, &val, sizeof(val), create); +} + +static void do_fixup_uart(void *fdt, int offset, int i, bd_t *bd) +{ + int rc; + u32 val; + PPC4xx_SYS_INFO sys_info; + + get_sys_info(&sys_info); + + debug("Updating node UART%d: clock-frequency=%d\n", i, gd->uart_clk); + + val = cpu_to_fdt32(gd->uart_clk); + rc = fdt_setprop(fdt, offset, "clock-frequency", &val, 4); + if (rc) + printf("Unable to update node UART, err=%s\n", fdt_strerror(rc)); + + val = cpu_to_fdt32(bd->bi_baudrate); + rc = fdt_setprop(fdt, offset, "current-speed", &val, 4); + if (rc) + printf("Unable to update node UART, err=%s\n", fdt_strerror(rc)); +} + +void ft_cpu_setup(void *blob, bd_t *bd) +{ + char * cpu_path = "/cpus/" OF_CPU; + sys_info_t sys_info; + int offset; + int i; + int tmp[2]; + + get_sys_info (&sys_info); + + do_fixup_u32(blob, cpu_path, "timebase-frequency", bd->bi_intfreq, 1); + do_fixup_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); + do_fixup_u32(blob, "/plb", "clock-frequency", sys_info.freqPLB, 1); + do_fixup_u32(blob, "/plb/opb", "clock-frequency", sys_info.freqOPB, 1); + do_fixup_u32(blob, "/plb/opb/ebc", "clock-frequency", sys_info.freqEBC, 1); + + /* update, or add and update /memory node */ + offset = fdt_find_node_by_path(blob, "/memory"); + if (offset < 0) { + offset = fdt_add_subnode(blob, 0, "memory"); + if (offset < 0) + debug("failed to add /memory node: %s\n", + fdt_strerror(offset)); + } + if (offset >= 0) { + fdt_setprop(blob, offset, "device_type", + "memory", sizeof("memory")); + tmp[0] = cpu_to_fdt32(bd->bi_memstart); + tmp[1] = cpu_to_fdt32(bd->bi_memsize); + fdt_setprop(blob, offset, "reg", tmp, sizeof(tmp)); + debug("Updating /memory node to %d:%d\n", + bd->bi_memstart, bd->bi_memsize); + } + + /* + * Setup all baudrates for the UARTs + */ + offset = 0; + for (i = 0; i < 4; i++) { + offset = fdt_find_node_by_type(blob, offset, "serial"); + if (offset < 0) + break; + + do_fixup_uart(blob, offset, i, bd); + } + + /* + * Setup all MAC addresses in fdt + */ + offset = 0; + for (i = 0; i < 4; i++) { + offset = fdt_find_node_by_type(blob, offset, "network"); + if (offset < 0) + break; + + switch (i) { + case 0: + do_fixup_macaddr(blob, offset, bd->bi_enetaddr, 0); + break; +#ifdef CONFIG_HAS_ETH1 + case 1: + do_fixup_macaddr(blob, offset, bd->bi_enet1addr, 1); + break; +#endif +#ifdef CONFIG_HAS_ETH2 + case 2: + do_fixup_macaddr(blob, offset, bd->bi_enet2addr, 2); + break; +#endif +#ifdef CONFIG_HAS_ETH3 + case 3: + do_fixup_macaddr(blob, offset, bd->bi_enet3addr, 3); + break; +#endif + } + } +} +#endif /* CONFIG_OF_LIBFDT */ diff --git a/cpu/ppc4xx/gpio.c b/cpu/ppc4xx/gpio.c index 50f2fdf..dcf1fba 100644 --- a/cpu/ppc4xx/gpio.c +++ b/cpu/ppc4xx/gpio.c @@ -26,8 +26,8 @@ #include <asm/io.h> #include <asm/gpio.h> -#if defined(CFG_440_GPIO_TABLE) -gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE; +#if defined(CFG_4xx_GPIO_TABLE) +gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_4xx_GPIO_TABLE; #endif #if defined(GPIO0_OSRL) @@ -55,10 +55,10 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val) mask2 = 0xc0000000 >> (pin2 << 1); /* first set TCR to 0 */ - out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) & ~mask); + out_be32((void *)GPIO0_TCR + offs, in_be32((void *)GPIO0_TCR + offs) & ~mask); if (in_out == GPIO_OUT) { - val = in32(GPIO0_OSRL + offs + offs2) & ~mask2; + val = in_be32((void *)GPIO0_OSRL + offs + offs2) & ~mask2; switch (gpio_alt) { case GPIO_ALT1: val |= GPIO_ALT1_SEL >> pin2; @@ -70,20 +70,23 @@ void gpio_config(int pin, int in_out, int gpio_alt, int out_val) val |= GPIO_ALT3_SEL >> pin2; break; } - out32(GPIO0_OSRL + offs + offs2, val); + out_be32((void *)GPIO0_OSRL + offs + offs2, val); /* setup requested output value */ if (out_val == GPIO_OUT_0) - out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~mask); + out_be32((void *)GPIO0_OR + offs, + in_be32((void *)GPIO0_OR + offs) & ~mask); else if (out_val == GPIO_OUT_1) - out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | mask); + out_be32((void *)GPIO0_OR + offs, + in_be32((void *)GPIO0_OR + offs) | mask); /* now configure TCR to drive output if selected */ - out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) | mask); + out_be32((void *)GPIO0_TCR + offs, + in_be32((void *)GPIO0_TCR + offs) | mask); } else { - val = in32(GPIO0_ISR1L + offs + offs2) & ~mask2; + val = in_be32((void *)GPIO0_ISR1L + offs + offs2) & ~mask2; val |= GPIO_IN_SEL >> pin2; - out32(GPIO0_ISR1L + offs + offs2, val); + out_be32((void *)GPIO0_ISR1L + offs + offs2, val); } } #endif /* GPIO_OSRL */ @@ -98,9 +101,11 @@ void gpio_write_bit(int pin, int val) } if (val) - out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | GPIO_VAL(pin)); + out_be32((void *)GPIO0_OR + offs, + in_be32((void *)GPIO0_OR + offs) | GPIO_VAL(pin)); else - out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~GPIO_VAL(pin)); + out_be32((void *)GPIO0_OR + offs, + in_be32((void *)GPIO0_OR + offs) & ~GPIO_VAL(pin)); } int gpio_read_out_bit(int pin) @@ -112,10 +117,10 @@ int gpio_read_out_bit(int pin) pin -= GPIO_MAX; } - return (in32(GPIO0_OR + offs) & GPIO_VAL(pin) ? 1 : 0); + return (in_be32((void *)GPIO0_OR + offs) & GPIO_VAL(pin) ? 1 : 0); } -#if defined(CFG_440_GPIO_TABLE) +#if defined(CFG_4xx_GPIO_TABLE) void gpio_set_chip_configuration(void) { unsigned char i=0, j=0, offs=0, gpio_core; @@ -141,24 +146,24 @@ void gpio_set_chip_configuration(void) break; case GPIO_ALT1: - reg = in32(GPIO_IS1(core_add+offs)) + reg = in_be32((void *)GPIO_IS1(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS1(core_add+offs), reg); + out_be32((void *)GPIO_IS1(core_add+offs), reg); break; case GPIO_ALT2: - reg = in32(GPIO_IS2(core_add+offs)) + reg = in_be32((void *)GPIO_IS2(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS2(core_add+offs), reg); + out_be32((void *)GPIO_IS2(core_add+offs), reg); break; case GPIO_ALT3: - reg = in32(GPIO_IS3(core_add+offs)) + reg = in_be32((void *)GPIO_IS3(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_IN_SEL >> (j*2)); - out32(GPIO_IS3(core_add+offs), reg); + out_be32((void *)GPIO_IS3(core_add+offs), reg); break; } } @@ -168,87 +173,66 @@ void gpio_set_chip_configuration(void) switch (gpio_tab[gpio_core][i].alt_nb) { case GPIO_SEL: - if (gpio_core == GPIO0) { - /* - * Setup output value - * 1 -> high level - * 0 -> low level - * else -> don't touch - */ - reg = in32(GPIO0_OR); - if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1) - reg |= (0x80000000 >> (i)); - else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0) - reg &= ~(0x80000000 >> (i)); - out32(GPIO0_OR, reg); - - reg = in32(GPIO0_TCR) | (0x80000000 >> (i)); - out32(GPIO0_TCR, reg); - } - -#ifdef GPIO1 - if (gpio_core == GPIO1) { - /* - * Setup output value - * 1 -> high level - * 0 -> low level - * else -> don't touch - */ - reg = in32(GPIO1_OR); - if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1) - reg |= (0x80000000 >> (i)); - else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0) - reg &= ~(0x80000000 >> (i)); - out32(GPIO1_OR, reg); - - reg = in32(GPIO1_TCR) | (0x80000000 >> (i)); - out32(GPIO1_TCR, reg); - } -#endif /* GPIO1 */ - - reg = in32(GPIO_OS(core_add+offs)) + /* + * Setup output value + * 1 -> high level + * 0 -> low level + * else -> don't touch + */ + reg = in_be32((void *)GPIO_OR(core_add)); + if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_1) + reg |= (0x80000000 >> (i)); + else if (gpio_tab[gpio_core][i].out_val == GPIO_OUT_0) + reg &= ~(0x80000000 >> (i)); + out_be32((void *)GPIO_OR(core_add), reg); + + reg = in_be32((void *)GPIO_TCR(core_add)) | + (0x80000000 >> (i)); + out_be32((void *)GPIO_TCR(core_add), reg); + + reg = in_be32((void *)GPIO_OS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); - out32(GPIO_OS(core_add+offs), reg); - reg = in32(GPIO_TS(core_add+offs)) + out_be32((void *)GPIO_OS(core_add+offs), reg); + reg = in_be32((void *)GPIO_TS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); - out32(GPIO_TS(core_add+offs), reg); + out_be32((void *)GPIO_TS(core_add+offs), reg); break; case GPIO_ALT1: - reg = in32(GPIO_OS(core_add+offs)) + reg = in_be32((void *)GPIO_OS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT1_SEL >> (j*2)); - out32(GPIO_OS(core_add+offs), reg); - reg = in32(GPIO_TS(core_add+offs)) + out_be32((void *)GPIO_OS(core_add+offs), reg); + reg = in_be32((void *)GPIO_TS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT1_SEL >> (j*2)); - out32(GPIO_TS(core_add+offs), reg); + out_be32((void *)GPIO_TS(core_add+offs), reg); break; case GPIO_ALT2: - reg = in32(GPIO_OS(core_add+offs)) + reg = in_be32((void *)GPIO_OS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT2_SEL >> (j*2)); - out32(GPIO_OS(core_add+offs), reg); - reg = in32(GPIO_TS(core_add+offs)) + out_be32((void *)GPIO_OS(core_add+offs), reg); + reg = in_be32((void *)GPIO_TS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT2_SEL >> (j*2)); - out32(GPIO_TS(core_add+offs), reg); + out_be32((void *)GPIO_TS(core_add+offs), reg); break; case GPIO_ALT3: - reg = in32(GPIO_OS(core_add+offs)) + reg = in_be32((void *)GPIO_OS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT3_SEL >> (j*2)); - out32(GPIO_OS(core_add+offs), reg); - reg = in32(GPIO_TS(core_add+offs)) + out_be32((void *)GPIO_OS(core_add+offs), reg); + reg = in_be32((void *)GPIO_TS(core_add+offs)) & ~(GPIO_MASK >> (j*2)); reg = reg | (GPIO_ALT3_SEL >> (j*2)); - out32(GPIO_TS(core_add+offs), reg); + out_be32((void *)GPIO_TS(core_add+offs), reg); break; } } } } } -#endif /* CFG_440_GPIO_TABLE */ +#endif /* CFG_4xx_GPIO_TABLE */ diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c index ca565cc..2026cc9 100644 --- a/cpu/ppc4xx/interrupts.c +++ b/cpu/ppc4xx/interrupts.c @@ -52,7 +52,7 @@ struct irq_action { static struct irq_action irq_vecs[32]; void uic0_interrupt( void * parms); /* UIC0 handler */ -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) static struct irq_action irq_vecs1[32]; /* For UIC1 */ void uic1_interrupt( void * parms); /* UIC1 handler */ @@ -116,7 +116,7 @@ int interrupt_init_cpu (unsigned *decrementer_count) irq_vecs[vec].handler = NULL; irq_vecs[vec].arg = NULL; irq_vecs[vec].count = 0; -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) irq_vecs1[vec].handler = NULL; irq_vecs1[vec].arg = NULL; irq_vecs1[vec].count = 0; @@ -172,7 +172,7 @@ int interrupt_init_cpu (unsigned *decrementer_count) */ set_evpr(0x00000000); -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) #if !defined(CONFIG_440GX) /* Install the UIC1 handlers */ irq_install_handler(VECNUM_UIC1NC, uic1_interrupt, 0); @@ -378,7 +378,7 @@ void uic0_interrupt( void * parms) #endif /* CONFIG_440GX */ -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) /* Handler for UIC1 interrupt */ void uic1_interrupt( void * parms) { @@ -525,7 +525,7 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) struct irq_action *irqa = irq_vecs; int i = vec; -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) if ((vec > 31) && (vec < 64)) { @@ -553,7 +553,7 @@ void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) irqa[i].handler = handler; irqa[i].arg = arg; -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) if ((vec > 31) && (vec < 64)) @@ -577,7 +577,7 @@ void irq_free_handler (int vec) struct irq_action *irqa = irq_vecs; int i = vec; -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) if ((vec > 31) && (vec < 64)) { @@ -599,7 +599,7 @@ void irq_free_handler (int vec) vec, irq_vecs[vec].handler); #endif -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) if ((vec > 31) && (vec < 64)) @@ -641,7 +641,7 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int vec; printf ("\nInterrupt-Information:\n"); -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) printf ("\nUIC 0\n"); #endif printf ("Nr Routine Arg Count\n"); @@ -656,7 +656,7 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } } -#if defined(CONFIG_440) +#if defined(CONFIG_440) || defined(CONFIG_405EX) printf ("\nUIC 1\n"); printf ("Nr Routine Arg Count\n"); diff --git a/cpu/ppc4xx/iop480_uart.c b/cpu/ppc4xx/iop480_uart.c new file mode 100644 index 0000000..8dd2267 --- /dev/null +++ b/cpu/ppc4xx/iop480_uart.c @@ -0,0 +1,238 @@ +/* + * (C) Copyright 2000-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <commproc.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <watchdog.h> +#include "vecnum.h" + +#ifdef CONFIG_SERIAL_MULTI +#include <serial.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_IOP480 + +#define SPU_BASE 0x40000000 + +#define spu_LineStat_rc 0x00 /* Line Status Register (Read/Clear) */ +#define spu_LineStat_w 0x04 /* Line Status Register (Set) */ +#define spu_Handshk_rc 0x08 /* Handshake Status Register (Read/Clear) */ +#define spu_Handshk_w 0x0c /* Handshake Status Register (Set) */ +#define spu_BRateDivh 0x10 /* Baud rate divisor high */ +#define spu_BRateDivl 0x14 /* Baud rate divisor low */ +#define spu_CtlReg 0x18 /* Control Register */ +#define spu_RxCmd 0x1c /* Rx Command Register */ +#define spu_TxCmd 0x20 /* Tx Command Register */ +#define spu_RxBuff 0x24 /* Rx data buffer */ +#define spu_TxBuff 0x24 /* Tx data buffer */ + +/*-----------------------------------------------------------------------------+ + | Line Status Register. + +-----------------------------------------------------------------------------*/ +#define asyncLSRport1 0x40000000 +#define asyncLSRport1set 0x40000004 +#define asyncLSRDataReady 0x80 +#define asyncLSRFramingError 0x40 +#define asyncLSROverrunError 0x20 +#define asyncLSRParityError 0x10 +#define asyncLSRBreakInterrupt 0x08 +#define asyncLSRTxHoldEmpty 0x04 +#define asyncLSRTxShiftEmpty 0x02 + +/*-----------------------------------------------------------------------------+ + | Handshake Status Register. + +-----------------------------------------------------------------------------*/ +#define asyncHSRport1 0x40000008 +#define asyncHSRport1set 0x4000000c +#define asyncHSRDsr 0x80 +#define asyncLSRCts 0x40 + +/*-----------------------------------------------------------------------------+ + | Control Register. + +-----------------------------------------------------------------------------*/ +#define asyncCRport1 0x40000018 +#define asyncCRNormal 0x00 +#define asyncCRLoopback 0x40 +#define asyncCRAutoEcho 0x80 +#define asyncCRDtr 0x20 +#define asyncCRRts 0x10 +#define asyncCRWordLength7 0x00 +#define asyncCRWordLength8 0x08 +#define asyncCRParityDisable 0x00 +#define asyncCRParityEnable 0x04 +#define asyncCREvenParity 0x00 +#define asyncCROddParity 0x02 +#define asyncCRStopBitsOne 0x00 +#define asyncCRStopBitsTwo 0x01 +#define asyncCRDisableDtrRts 0x00 + +/*-----------------------------------------------------------------------------+ + | Receiver Command Register. + +-----------------------------------------------------------------------------*/ +#define asyncRCRport1 0x4000001c +#define asyncRCRDisable 0x00 +#define asyncRCREnable 0x80 +#define asyncRCRIntDisable 0x00 +#define asyncRCRIntEnabled 0x20 +#define asyncRCRDMACh2 0x40 +#define asyncRCRDMACh3 0x60 +#define asyncRCRErrorInt 0x10 +#define asyncRCRPauseEnable 0x08 + +/*-----------------------------------------------------------------------------+ + | Transmitter Command Register. + +-----------------------------------------------------------------------------*/ +#define asyncTCRport1 0x40000020 +#define asyncTCRDisable 0x00 +#define asyncTCREnable 0x80 +#define asyncTCRIntDisable 0x00 +#define asyncTCRIntEnabled 0x20 +#define asyncTCRDMACh2 0x40 +#define asyncTCRDMACh3 0x60 +#define asyncTCRTxEmpty 0x10 +#define asyncTCRErrorInt 0x08 +#define asyncTCRStopPause 0x04 +#define asyncTCRBreakGen 0x02 + +/*-----------------------------------------------------------------------------+ + | Miscellanies defines. + +-----------------------------------------------------------------------------*/ +#define asyncTxBufferport1 0x40000024 +#define asyncRxBufferport1 0x40000024 +#define asyncDLABLsbport1 0x40000014 +#define asyncDLABMsbport1 0x40000010 +#define asyncXOFFchar 0x13 +#define asyncXONchar 0x11 + +/* + * Minimal serial functions needed to use one of the SMC ports + * as serial console interface. + */ + +int serial_init (void) +{ + volatile char val; + unsigned short br_reg; + + br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1); + + /* + * Init onboard UART + */ + out_8((u8 *)SPU_BASE + spu_LineStat_rc, 0x78); /* Clear all bits in Line Status Reg */ + out_8((u8 *)SPU_BASE + spu_BRateDivl, (br_reg & 0x00ff)); /* Set baud rate divisor... */ + out_8((u8 *)SPU_BASE + spu_BRateDivh, ((br_reg & 0xff00) >> 8)); /* ... */ + out_8((u8 *)SPU_BASE + spu_CtlReg, 0x08); /* Set 8 bits, no parity and 1 stop bit */ + out_8((u8 *)SPU_BASE + spu_RxCmd, 0xb0); /* Enable Rx */ + out_8((u8 *)SPU_BASE + spu_TxCmd, 0x9c); /* Enable Tx */ + out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ + val = in_8((u8 *)SPU_BASE + spu_RxBuff); /* Dummy read, to clear receiver */ + + return (0); +} + +void serial_setbrg (void) +{ + unsigned short br_reg; + + br_reg = ((((CONFIG_CPUCLOCK * 1000000) / 16) / gd->baudrate) - 1); + + out_8((u8 *)SPU_BASE + spu_BRateDivl, + (br_reg & 0x00ff)); /* Set baud rate divisor... */ + out_8((u8 *)SPU_BASE + spu_BRateDivh, + ((br_reg & 0xff00) >> 8)); /* ... */ +} + +void serial_putc (const char c) +{ + if (c == '\n') + serial_putc ('\r'); + + /* load status from handshake register */ + if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00) + out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ + + out_8((u8 *)SPU_BASE + spu_TxBuff, c); /* Put char */ + + while ((in_8((u8 *)SPU_BASE + spu_LineStat_rc) & 04) != 04) { + if (in_8((u8 *)SPU_BASE + spu_Handshk_rc) != 00) + out_8((u8 *)SPU_BASE + spu_Handshk_rc, 0xff); /* Clear Handshake */ + } +} + +void serial_puts (const char *s) +{ + while (*s) { + serial_putc (*s++); + } +} + +int serial_getc () +{ + unsigned char status = 0; + + while (1) { + status = in_8((u8 *)asyncLSRport1); + if ((status & asyncLSRDataReady) != 0x0) { + break; + } + if ((status & ( asyncLSRFramingError | + asyncLSROverrunError | + asyncLSRParityError | + asyncLSRBreakInterrupt )) != 0) { + (void) out_8((u8 *)asyncLSRport1, + asyncLSRFramingError | + asyncLSROverrunError | + asyncLSRParityError | + asyncLSRBreakInterrupt ); + } + } + return (0x000000ff & (int) in_8((u8 *)asyncRxBufferport1)); +} + +int serial_tstc () +{ + unsigned char status; + + status = in_8((u8 *)asyncLSRport1); + if ((status & asyncLSRDataReady) != 0x0) { + return (1); + } + if ((status & ( asyncLSRFramingError | + asyncLSROverrunError | + asyncLSRParityError | + asyncLSRBreakInterrupt )) != 0) { + (void) out_8((u8 *)asyncLSRport1, + asyncLSRFramingError | + asyncLSROverrunError | + asyncLSRParityError | + asyncLSRBreakInterrupt); + } + return 0; +} + +#endif /* CONFIG_IOP480 */ diff --git a/cpu/ppc4xx/kgdb.S b/cpu/ppc4xx/kgdb.S index 8c4bbf2..42b9546 100644 --- a/cpu/ppc4xx/kgdb.S +++ b/cpu/ppc4xx/kgdb.S @@ -56,21 +56,21 @@ kgdb_flush_cache_all: .globl kgdb_flush_cache_range kgdb_flush_cache_range: - li r5,CFG_CACHELINE_SIZE-1 + li r5,L1_CACHE_BYTES-1 andc r3,r3,r5 subf r4,r3,r4 add r4,r4,r5 - srwi. r4,r4,CFG_CACHELINE_SHIFT + srwi. r4,r4,L1_CACHE_SHIFT beqlr mtctr r4 mr r6,r3 1: dcbst 0,r3 - addi r3,r3,CFG_CACHELINE_SIZE + addi r3,r3,L1_CACHE_BYTES bdnz 1b sync /* wait for dcbst's to get to ram */ mtctr r4 2: icbi 0,r6 - addi r6,r6,CFG_CACHELINE_SIZE + addi r6,r6,L1_CACHE_BYTES bdnz 2b SYNC blr diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c index 6b98025..98ba0a7 100644 --- a/cpu/ppc4xx/miiphy.c +++ b/cpu/ppc4xx/miiphy.c @@ -44,6 +44,7 @@ #include <common.h> #include <asm/processor.h> +#include <asm/io.h> #include <ppc_asm.tmpl> #include <commproc.h> #include <ppc4xx_enet.h> @@ -113,7 +114,7 @@ unsigned int miiphy_getemac_offset (void) unsigned long eoffset; /* Need to find out which mdi port we're using */ - zmii = in32 (ZMII_FER); + zmii = in_be32((void *)ZMII_FER); if (zmii & (ZMII_FER_MDI << ZMII_FER_V (0))) { /* using port 0 */ @@ -131,16 +132,26 @@ unsigned int miiphy_getemac_offset (void) /* None of the mdi ports are enabled! */ /* enable port 0 */ zmii |= ZMII_FER_MDI << ZMII_FER_V (0); - out32 (ZMII_FER, zmii); + out_be32((void *)ZMII_FER, zmii); eoffset = 0; /* need to soft reset port 0 */ - zmii = in32 (EMAC_M0); + zmii = in_be32((void *)EMAC_M0); zmii |= EMAC_M0_SRST; - out32 (EMAC_M0, zmii); + out_be32((void *)EMAC_M0, zmii); } return (eoffset); #else + +#if defined(CONFIG_NET_MULTI) && defined(CONFIG_405EX) + unsigned long rgmii; + int devnum = 1; + + rgmii = in_be32((void *)RGMII_FER); + if (rgmii & (1 << (19 - devnum))) + return 0x100; +#endif + return 0; #endif } @@ -159,11 +170,11 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr, i = 0; /* see if it is ready for sec */ - while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { + while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { udelay (7); if (i > 5) { #ifdef ET_DEBUG - sta_reg = in32 (EMAC_STACR + emac_reg); + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); printf ("read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ printf ("read err 1\n"); #endif @@ -174,7 +185,8 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr, sta_reg = reg; /* reg address */ /* set clock (50Mhz) and read flags */ #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) #if defined(CONFIG_IBM_EMAC4_V4) /* EMAC4 V4 changed bit setting */ sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_READ; #else @@ -186,17 +198,18 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr, #if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \ !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ - !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) + !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ + !defined(CONFIG_405EX) sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; #endif sta_reg = sta_reg | (addr << 5); /* Phy address */ sta_reg = sta_reg | EMAC_STACR_OC_MASK; /* new IBM emac v4 */ - out32 (EMAC_STACR + emac_reg, sta_reg); + out_be32((void *)EMAC_STACR + emac_reg, sta_reg); #ifdef ET_DEBUG printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif - sta_reg = in32 (EMAC_STACR + emac_reg); + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); #ifdef ET_DEBUG printf ("a21: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif @@ -207,7 +220,7 @@ int emac4xx_miiphy_read (char *devname, unsigned char addr, return -1; } i++; - sta_reg = in32 (EMAC_STACR + emac_reg); + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); #ifdef ET_DEBUG printf ("a22: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif @@ -238,7 +251,7 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr, /* see if it is ready for 1000 nsec */ i = 0; - while ((in32 (EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { + while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { if (i > 5) return -1; udelay (7); @@ -248,7 +261,8 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr, sta_reg = reg; /* reg address */ /* set clock (50Mhz) and read flags */ #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) #if defined(CONFIG_IBM_EMAC4_V4) /* EMAC4 V4 changed bit setting */ sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_WRITE; #else @@ -260,18 +274,19 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr, #if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \ !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ - !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) + !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ + !defined(CONFIG_405EX) sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; /* Set clock frequency (PLB freq. dependend) */ #endif sta_reg = sta_reg | ((unsigned long) addr << 5);/* Phy address */ sta_reg = sta_reg | EMAC_STACR_OC_MASK; /* new IBM emac v4 */ memcpy (&sta_reg, &value, 2); /* put in data */ - out32 (EMAC_STACR + emac_reg, sta_reg); + out_be32((void *)EMAC_STACR + emac_reg, sta_reg); /* wait for completion */ i = 0; - sta_reg = in32 (EMAC_STACR + emac_reg); + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); #ifdef ET_DEBUG printf ("a31: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif @@ -280,7 +295,7 @@ int emac4xx_miiphy_write (char *devname, unsigned char addr, if (i > 5) return -1; i++; - sta_reg = in32 (EMAC_STACR + emac_reg); + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); #ifdef ET_DEBUG printf ("a32: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ #endif diff --git a/cpu/ppc4xx/ndfc.c b/cpu/ppc4xx/ndfc.c index 3984577..ec1b38c 100644 --- a/cpu/ppc4xx/ndfc.c +++ b/cpu/ppc4xx/ndfc.c @@ -34,7 +34,7 @@ #if defined(CONFIG_CMD_NAND) && !defined(CFG_NAND_LEGACY) && \ (defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EZ)) + defined(CONFIG_405EZ) || defined(CONFIG_405EX)) #include <nand.h> #include <linux/mtd/ndfc.h> @@ -222,6 +222,7 @@ int board_nand_init(struct nand_chip *nand) */ board_nand_select_device(nand, cs); out_be32((u32 *)(base + NDFC_BCFG0 + (cs << 2)), 0x80002222); + return 0; } diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index da5330a..9006614 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000 + * (C) Copyright 2000-2007 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -37,7 +37,7 @@ DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_405GP) || defined(CONFIG_405CR) -void get_sys_info (PPC405_SYS_INFO * sysInfo) +void get_sys_info (PPC4xx_SYS_INFO * sysInfo) { unsigned long pllmr; unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ / 1000); @@ -162,6 +162,8 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) sysInfo->freqProcessor = sysInfo->freqPLB * sysInfo->pllPlbDiv; } } + + sysInfo->freqUART = sysInfo->freqProcessor; } @@ -173,7 +175,7 @@ ulong get_OPB_freq (void) { ulong val = 0; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; get_sys_info (&sys_info); val = sys_info.freqPLB / sys_info.pllOpbDiv; @@ -189,7 +191,7 @@ ulong get_OPB_freq (void) ulong get_PCI_freq (void) { ulong val; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; get_sys_info (&sys_info); val = sys_info.freqPLB / sys_info.pllPciDiv; @@ -216,7 +218,7 @@ void get_sys_info (sys_info_t *sysInfo) */ /* Decode CPR0_PLLD0 for divisors */ - mfclk(clk_plld, reg); + mfcpr(clk_plld, reg); temp = (reg & PLLD_FWDVA_MASK) >> 16; sysInfo->pllFwdDivA = temp ? temp : 16; temp = (reg & PLLD_FWDVB_MASK) >> 8; @@ -225,19 +227,19 @@ void get_sys_info (sys_info_t *sysInfo) sysInfo->pllFbkDiv = temp ? temp : 32; lfdiv = reg & PLLD_LFBDV_MASK; - mfclk(clk_opbd, reg); + mfcpr(clk_opbd, reg); temp = (reg & OPBDDV_MASK) >> 24; sysInfo->pllOpbDiv = temp ? temp : 4; - mfclk(clk_perd, reg); + mfcpr(clk_perd, reg); temp = (reg & PERDV_MASK) >> 24; sysInfo->pllExtBusDiv = temp ? temp : 8; - mfclk(clk_primbd, reg); + mfcpr(clk_primbd, reg); temp = (reg & PRBDV_MASK) >> 24; prbdv0 = temp ? temp : 8; - mfclk(clk_spcid, reg); + mfcpr(clk_spcid, reg); temp = (reg & SPCID_MASK) >> 24; sysInfo->pllPciDiv = temp ? temp : 4; @@ -246,7 +248,7 @@ void get_sys_info (sys_info_t *sysInfo) temp = (reg & PLLSYS0_SEL_MASK) >> 27; if (temp == 0) { /* PLL output */ /* Figure which pll to use */ - mfclk(clk_pllc, reg); + mfcpr(clk_pllc, reg); temp = (reg & PLLC_SRC_MASK) >> 29; if (!temp) /* PLLOUTA */ m = sysInfo->pllFbkDiv * lfdiv * sysInfo->pllFwdDivA; @@ -263,8 +265,9 @@ void get_sys_info (sys_info_t *sysInfo) sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA; sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB/prbdv0; sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv; - sysInfo->freqEPB = sysInfo->freqPLB/sysInfo->pllExtBusDiv; + sysInfo->freqEBC = sysInfo->freqPLB/sysInfo->pllExtBusDiv; sysInfo->freqPCI = sysInfo->freqPLB/sysInfo->pllPciDiv; + sysInfo->freqUART = sysInfo->freqPLB; /* Figure which timer source to use */ if (mfspr(ccr1) & 0x0080) { /* External Clock, assume same as SYS_CLK */ @@ -277,6 +280,7 @@ void get_sys_info (sys_info_t *sysInfo) else /* Internal clock */ sysInfo->freqTmrClk = sysInfo->freqProcessor; } + /******************************************** * get_PCI_freq * return PCI bus freq in Hz @@ -317,8 +321,8 @@ void get_sys_info (sys_info_t * sysInfo) if( get_pvr() == PVR_440GP_RB ) /* Rev B divs an extra 2 -- geez! */ sysInfo->freqPLB >>= 1; sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv; - sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv; - + sysInfo->freqEBC = sysInfo->freqOPB/sysInfo->pllExtBusDiv; + sysInfo->freqUART = sysInfo->freqPLB; } #else void get_sys_info (sys_info_t * sysInfo) @@ -393,7 +397,7 @@ void get_sys_info (sys_info_t * sysInfo) sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA; sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB/prbdv0; sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv; - sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv; + sysInfo->freqEBC = sysInfo->freqOPB/sysInfo->pllExtBusDiv; #if defined(CONFIG_YUCCA) /* Determine PCI Clock Period */ @@ -403,7 +407,7 @@ void get_sys_info (sys_info_t * sysInfo) sysInfo->freqDDR = ((sysInfo->freqPLB) * SDR0_DDR0_DDRM_DECODE(sdr_ddrpll)); #endif - + sysInfo->freqUART = sysInfo->freqPLB; } #endif @@ -632,7 +636,8 @@ extern void get_sys_info (sys_info_t * sysInfo); extern ulong get_PCI_freq (void); #elif defined(CONFIG_AP1000) -void get_sys_info (sys_info_t * sysInfo) { +void get_sys_info (sys_info_t * sysInfo) +{ sysInfo->freqProcessor = 240 * 1000 * 1000; sysInfo->freqPLB = 80 * 1000 * 1000; sysInfo->freqPCI = 33 * 1000 * 1000; @@ -640,17 +645,16 @@ void get_sys_info (sys_info_t * sysInfo) { #elif defined(CONFIG_405) -void get_sys_info (sys_info_t * sysInfo) { - +void get_sys_info (sys_info_t * sysInfo) +{ sysInfo->freqVCOMhz=3125000; sysInfo->freqProcessor=12*1000*1000; sysInfo->freqPLB=50*1000*1000; sysInfo->freqPCI=66*1000*1000; - } #elif defined(CONFIG_405EP) -void get_sys_info (PPC405_SYS_INFO * sysInfo) +void get_sys_info (PPC4xx_SYS_INFO * sysInfo) { unsigned long pllmr0; unsigned long pllmr1; @@ -678,9 +682,8 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Determine FBK_DIV. */ sysInfo->pllFbkDiv = ((pllmr1 & PLLMR1_FBMUL_MASK) >> 20); - if (sysInfo->pllFbkDiv == 0) { + if (sysInfo->pllFbkDiv == 0) sysInfo->pllFbkDiv = 16; - } /* * Determine PLB_DIV. @@ -733,6 +736,10 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Determine PLB clock frequency */ sysInfo->freqPLB = sysInfo->freqProcessor / sysInfo->pllPlbDiv; + + sysInfo->freqEBC = sysInfo->freqPLB / sysInfo->pllExtBusDiv; + + sysInfo->freqUART = sysInfo->freqProcessor * pllmr0_ccdv; } @@ -744,7 +751,7 @@ ulong get_OPB_freq (void) { ulong val = 0; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; get_sys_info (&sys_info); val = sys_info.freqPLB / sys_info.pllOpbDiv; @@ -760,7 +767,7 @@ ulong get_OPB_freq (void) ulong get_PCI_freq (void) { ulong val; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; get_sys_info (&sys_info); val = sys_info.freqPLB / sys_info.pllPciDiv; @@ -768,7 +775,7 @@ ulong get_PCI_freq (void) } #elif defined(CONFIG_405EZ) -void get_sys_info (PPC405_SYS_INFO * sysInfo) +void get_sys_info (PPC4xx_SYS_INFO * sysInfo) { unsigned long cpr_plld; unsigned long cpr_pllc; @@ -806,6 +813,7 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) * Read CPR_PRIMAD register */ mfcpr(cprprimad, cpr_primad); + /* * Determine PLB_DIV. */ @@ -856,6 +864,11 @@ void get_sys_info (PPC405_SYS_INFO * sysInfo) */ sysInfo->freqPLB = (CONFIG_SYS_CLK_FREQ * m) / sysInfo->pllFwdDiv / sysInfo->pllPlbDiv; + + sysInfo->freqEBC = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv) / + sysInfo->pllExtBusDiv; + + sysInfo->freqUART = sysInfo->freqVCOHz; } /******************************************** @@ -866,7 +879,7 @@ ulong get_OPB_freq (void) { ulong val = 0; - PPC405_SYS_INFO sys_info; + PPC4xx_SYS_INFO sys_info; get_sys_info (&sys_info); val = (CONFIG_SYS_CLK_FREQ * sys_info.pllFbkDiv) / sys_info.pllOpbDiv; @@ -874,13 +887,176 @@ ulong get_OPB_freq (void) return val; } +#elif defined(CONFIG_405EX) + +/* + * TODO: We need to get the CPR registers and calculate these values correctly!!!! + * We need the specs!!!! + */ +static unsigned char get_fbdv(unsigned char index) +{ + unsigned char ret = 0; + /* This is table should be 256 bytes. + * Only take first 52 values. + */ + unsigned char fbdv_tb[] = { + 0x00, 0xff, 0x7f, 0xfd, + 0x7a, 0xf5, 0x6a, 0xd5, + 0x2a, 0xd4, 0x29, 0xd3, + 0x26, 0xcc, 0x19, 0xb3, + 0x67, 0xce, 0x1d, 0xbb, + 0x77, 0xee, 0x5d, 0xba, + 0x74, 0xe9, 0x52, 0xa5, + 0x4b, 0x96, 0x2c, 0xd8, + 0x31, 0xe3, 0x46, 0x8d, + 0x1b, 0xb7, 0x6f, 0xde, + 0x3d, 0xfb, 0x76, 0xed, + 0x5a, 0xb5, 0x6b, 0xd6, + 0x2d, 0xdb, 0x36, 0xec, + + }; + + if ((index & 0x7f) == 0) + return 1; + while (ret < sizeof (fbdv_tb)) { + if (fbdv_tb[ret] == index) + break; + ret++; + } + ret++; + + return ret; +} + +#define PLL_FBK_PLL_LOCAL 0 +#define PLL_FBK_CPU 1 +#define PLL_FBK_PERCLK 5 + +void get_sys_info (sys_info_t * sysInfo) +{ + unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ / 1000); + unsigned long m = 1; + unsigned int tmp; + unsigned char fwdva[16] = { + 1, 2, 14, 9, 4, 11, 16, 13, + 12, 5, 6, 15, 10, 7, 8, 3, + }; + unsigned char sel, cpudv0, plb2xDiv; + + mfcpr(cpr0_plld, tmp); + + /* + * Determine forward divider A + */ + sysInfo->pllFwdDiv = fwdva[((tmp >> 16) & 0x0f)]; /* FWDVA */ + + /* + * Determine FBK_DIV. + */ + sysInfo->pllFbkDiv = get_fbdv(((tmp >> 24) & 0x0ff)); /* FBDV */ + + /* + * Determine PLBDV0 + */ + sysInfo->pllPlbDiv = 2; + + /* + * Determine PERDV0 + */ + mfcpr(cpr0_perd, tmp); + tmp = (tmp >> 24) & 0x03; + sysInfo->pllExtBusDiv = (tmp == 0) ? 4 : tmp; + + /* + * Determine OPBDV0 + */ + mfcpr(cpr0_opbd, tmp); + tmp = (tmp >> 24) & 0x03; + sysInfo->pllOpbDiv = (tmp == 0) ? 4 : tmp; + + /* Determine PLB2XDV0 */ + mfcpr(cpr0_plbd, tmp); + tmp = (tmp >> 16) & 0x07; + plb2xDiv = (tmp == 0) ? 8 : tmp; + + /* Determine CPUDV0 */ + mfcpr(cpr0_cpud, tmp); + tmp = (tmp >> 24) & 0x07; + cpudv0 = (tmp == 0) ? 8 : tmp; + + /* Determine SEL(5:7) in CPR0_PLLC */ + mfcpr(cpr0_pllc, tmp); + sel = (tmp >> 24) & 0x07; + + /* + * Determine the M factor + * PLL local: M = FBDV + * CPU clock: M = FBDV * FWDVA * CPUDV0 + * PerClk : M = FBDV * FWDVA * PLB2XDV0 * PLBDV0(2) * OPBDV0 * PERDV0 + * + */ + switch (sel) { + case PLL_FBK_CPU: + m = sysInfo->pllFwdDiv * cpudv0; + break; + case PLL_FBK_PERCLK: + m = sysInfo->pllFwdDiv * plb2xDiv * 2 + * sysInfo->pllOpbDiv * sysInfo->pllExtBusDiv; + break; + case PLL_FBK_PLL_LOCAL: + break; + default: + printf("%s unknown m\n", __FUNCTION__); + return; + + } + m *= sysInfo->pllFbkDiv; + + /* + * Determine VCO clock frequency + */ + sysInfo->freqVCOHz = (1000000000000LL * (unsigned long long)m) / + (unsigned long long)sysClkPeriodPs; + + /* + * Determine CPU clock frequency + */ + sysInfo->freqProcessor = sysInfo->freqVCOHz / (sysInfo->pllFwdDiv * cpudv0); + + /* + * Determine PLB clock frequency, ddr1x should be the same + */ + sysInfo->freqPLB = sysInfo->freqVCOHz / (sysInfo->pllFwdDiv * plb2xDiv * 2); + sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv; + sysInfo->freqDDR = sysInfo->freqPLB; + sysInfo->freqEBC = sysInfo->freqOPB / sysInfo->pllExtBusDiv; + sysInfo->freqUART = sysInfo->freqPLB; +} + +/******************************************** + * get_OPB_freq + * return OPB bus freq in Hz + *********************************************/ +ulong get_OPB_freq (void) +{ + ulong val = 0; + + PPC4xx_SYS_INFO sys_info; + + get_sys_info (&sys_info); + val = sys_info.freqPLB / sys_info.pllOpbDiv; + + return val; +} + #endif int get_clocks (void) { #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ - defined(CONFIG_440) || defined(CONFIG_405) + defined(CONFIG_405EX) || defined(CONFIG_405) || \ + defined(CONFIG_440) sys_info_t sys_info; get_sys_info (&sys_info); @@ -907,7 +1083,8 @@ ulong get_bus_freq (ulong dummy) #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ - defined(CONFIG_440) || defined(CONFIG_405) + defined(CONFIG_405EX) || defined(CONFIG_405) || \ + defined(CONFIG_440) sys_info_t sys_info; get_sys_info (&sys_info); diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index 9626b65..f5a135f 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -800,7 +800,7 @@ _start: /*----------------------------------------------------------------------- */ /* Enable two 128MB cachable regions. */ /*----------------------------------------------------------------------- */ - addis r1,r0,0x8000 + addis r1,r0,0xc000 addi r1,r1,0x0001 mticcr r1 /* instruction cache */ @@ -823,12 +823,23 @@ _start: /*****************************************************************************/ #if defined(CONFIG_405GP) || defined(CONFIG_405CR) || \ defined(CONFIG_405EP) || defined(CONFIG_405EZ) || \ - defined(CONFIG_405) + defined(CONFIG_405EX) || defined(CONFIG_405) /*----------------------------------------------------------------------- */ /* Clear and set up some registers. */ /*----------------------------------------------------------------------- */ addi r4,r0,0x0000 +#if !defined(CONFIG_405EX) mtspr sgr,r4 +#else + /* + * On 405EX, completely clearing the SGR leads to PPC hangup + * upon PCIe configuration access. The PCIe memory regions + * need to be guarded! + */ + lis r3,0x0000 + ori r3,r3,0x7FFC + mtspr sgr,r3 +#endif mtspr dcwr,r4 mtesr r4 /* clear Exception Syndrome Reg */ mttcr r4 /* clear Timer Control Reg */ @@ -851,7 +862,7 @@ _start: /*----------------------------------------------------------------------- */ /* Enable two 128MB cachable regions. */ /*----------------------------------------------------------------------- */ - lis r4,0x8000 + lis r4,0xc000 ori r4,r4,0x0001 mticcr r4 /* instruction cache */ isync @@ -860,12 +871,34 @@ _start: ori r4,r4,0x0000 mtdccr r4 /* data cache */ -#if !(defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) +#if !(defined(CFG_EBC_PB0AP) && defined(CFG_EBC_PB0CR)) || defined(CONFIG_405EX) /*----------------------------------------------------------------------- */ /* Tune the speed and size for flash CS0 */ /*----------------------------------------------------------------------- */ bl ext_bus_cntlr_init #endif +#if !(defined(CFG_INIT_DCACHE_CS) || defined(CFG_TEMP_STACK_OCM)) + /* + * Boards like the Kilauea (405EX) don't have OCM and can't use + * DCache for init-ram. So setup stack here directly after the + * SDRAM is initialized. + */ + lis r1, CFG_INIT_RAM_ADDR@h + ori r1,r1,CFG_INIT_SP_OFFSET /* set up the stack in SDRAM */ + + li r0, 0 /* Make room for stack frame header and */ + stwu r0, -4(r1) /* clear final stack frame so that */ + stwu r0, -4(r1) /* stack backtraces terminate cleanly */ + /* + * Set up a dummy frame to store reset vector as return address. + * this causes stack underflow to reset board. + */ + stwu r1, -8(r1) /* Save back chain and move SP */ + lis r0, RESET_VECTOR@h /* Address of reset vector */ + ori r0, r0, RESET_VECTOR@l + stwu r1, -8(r1) /* Save back chain and move SP */ + stw r0, +12(r1) /* Save return addr (underflow vect) */ +#endif /* !(CFG_INIT_DCACHE_CS || !CFG_TEM_STACK_OCM) */ #if defined(CONFIG_405EP) /*----------------------------------------------------------------------- */ @@ -983,7 +1016,7 @@ start_ram: ori r4,r4,0xa000 mtdcr ebccfgd,r4 - /* turn on data chache for this region */ + /* turn on data cache for this region */ lis r4,0x0080 mtdccr r4 @@ -1049,30 +1082,6 @@ start_ram: /*----------------------------------------------------------------------- */ bl sdram_init - /* - * Setup temporary stack pointer only for boards - * that do not use SDRAM SPD I2C stuff since it - * is already initialized to use DCACHE or OCM - * stacks. - */ -#if !(defined(CFG_INIT_DCACHE_CS) || defined(CFG_TEMP_STACK_OCM)) - lis r1, CFG_INIT_RAM_ADDR@h - ori r1,r1,CFG_INIT_SP_OFFSET /* set up the stack in SDRAM */ - - li r0, 0 /* Make room for stack frame header and */ - stwu r0, -4(r1) /* clear final stack frame so that */ - stwu r0, -4(r1) /* stack backtraces terminate cleanly */ - /* - * Set up a dummy frame to store reset vector as return address. - * this causes stack underflow to reset board. - */ - stwu r1, -8(r1) /* Save back chain and move SP */ - lis r0, RESET_VECTOR@h /* Address of reset vector */ - ori r0, r0, RESET_VECTOR@l - stwu r1, -8(r1) /* Save back chain and move SP */ - stw r0, +12(r1) /* Save return addr (underflow vect) */ -#endif /* !(CFG_INIT_DCACHE_CS || !CFG_TEM_STACK_OCM) */ - #ifdef CONFIG_NAND_SPL bl nand_boot /* will not return */ #else @@ -1211,111 +1220,6 @@ mck_return: #endif /* CONFIG_440 */ -/* - * Cache functions. - * - * NOTE: currently the 440s run with dcache _disabled_ once relocated to DRAM, - * although for some cache-ralated calls stubs have to be provided to satisfy - * symbols resolution. - * Icache-related functions are used in POST framework. - * - */ -#ifdef CONFIG_440 - .globl dcache_disable - .globl icache_disable - .globl icache_enable -dcache_disable: -icache_disable: -icache_enable: - blr - - .globl dcache_status - .globl icache_status -dcache_status: -icache_status: - mr r3, 0 - blr -#else -flush_dcache: - addis r9,r0,0x0002 /* set mask for EE and CE msr bits */ - ori r9,r9,0x8000 - mfmsr r12 /* save msr */ - andc r9,r12,r9 - mtmsr r9 /* disable EE and CE */ - addi r10,r0,0x0001 /* enable data cache for unused memory */ - mfdccr r9 /* region 0xF8000000-0xFFFFFFFF via */ - or r10,r10,r9 /* bit 31 in dccr */ - mtdccr r10 - - /* do loop for # of congruence classes. */ - lis r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS: for large cache sizes */ - ori r10,r10,(CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l - lis r11,(CFG_DCACHE_SIZE / 2)@ha /* D cache set size - 2 way sets */ - ori r11,r11,(CFG_DCACHE_SIZE / 2)@l /* D cache set size - 2 way sets */ - mtctr r10 - addi r10,r0,(0xE000-0x10000) /* start at 0xFFFFE000 */ - add r11,r10,r11 /* add to get to other side of cache line */ -..flush_dcache_loop: - lwz r3,0(r10) /* least recently used side */ - lwz r3,0(r11) /* the other side */ - dccci r0,r11 /* invalidate both sides */ - addi r10,r10,CFG_CACHELINE_SIZE /* bump to next line */ - addi r11,r11,CFG_CACHELINE_SIZE /* bump to next line */ - bdnz ..flush_dcache_loop - sync /* allow memory access to complete */ - mtdccr r9 /* restore dccr */ - mtmsr r12 /* restore msr */ - blr - - .globl icache_enable -icache_enable: - mflr r8 - bl invalidate_icache - mtlr r8 - isync - addis r3,r0, 0x8000 /* set bit 0 */ - mticcr r3 - blr - - .globl icache_disable -icache_disable: - addis r3,r0, 0x0000 /* clear bit 0 */ - mticcr r3 - isync - blr - - .globl icache_status -icache_status: - mficcr r3 - srwi r3, r3, 31 /* >>31 => select bit 0 */ - blr - - .globl dcache_enable -dcache_enable: - mflr r8 - bl invalidate_dcache - mtlr r8 - isync - addis r3,r0, 0x8000 /* set bit 0 */ - mtdccr r3 - blr - - .globl dcache_disable -dcache_disable: - mflr r8 - bl flush_dcache - mtlr r8 - addis r3,r0, 0x0000 /* clear bit 0 */ - mtdccr r3 - blr - - .globl dcache_status -dcache_status: - mfdccr r3 - srwi r3, r3, 31 /* >>31 => select bit 0 */ - blr -#endif - .globl get_pvr get_pvr: mfspr r3, PVR @@ -1421,6 +1325,26 @@ ppcSync: */ .globl relocate_code relocate_code: +#ifdef CONFIG_4xx_DCACHE + /* + * We need to flush the Init Data before the dcache will be + * invalidated + */ + + /* save regs */ + mr r9,r3 + mr r10,r4 + mr r11,r5 + + mr r3,r4 + addi r4,r4,0x200 /* should be enough for init data */ + bl flush_dcache_range + + /* restore regs */ + mr r3,r9 + mr r4,r10 + mr r5,r11 +#endif #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) @@ -1448,7 +1372,7 @@ relocate_code: ori r4, r4, CFG_MONITOR_BASE@l lwz r5, GOT(__init_end) sub r5, r5, r4 - li r6, CFG_CACHELINE_SIZE /* Cache Line Size */ + li r6, L1_CACHE_BYTES /* Cache Line Size */ /* * Fix GOT pointer: @@ -1768,23 +1692,6 @@ in32: lwz 3,0x0000(3) blr -invalidate_icache: - iccci r0,r0 /* for 405, iccci invalidates the */ - blr /* entire I cache */ - -invalidate_dcache: - addi r6,0,0x0000 /* clear GPR 6 */ - /* Do loop for # of dcache congruence classes. */ - lis r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@ha /* TBS for large sized cache */ - ori r7, r7, (CFG_DCACHE_SIZE / CFG_CACHELINE_SIZE / 2)@l - /* NOTE: dccci invalidates both */ - mtctr r7 /* ways in the D cache */ -..dcloop: - dccci 0,r6 /* invalidate line */ - addi r6,r6, CFG_CACHELINE_SIZE /* bump to next line */ - bdnz ..dcloop - blr - /**************************************************************************/ /* PPC405EP specific stuff */ /**************************************************************************/ diff --git a/cpu/ppc4xx/tlb.c b/cpu/ppc4xx/tlb.c index 098694c..ed493f1 100644 --- a/cpu/ppc4xx/tlb.c +++ b/cpu/ppc4xx/tlb.c @@ -26,6 +26,7 @@ #if defined(CONFIG_440) #include <ppc440.h> +#include <asm/cache.h> #include <asm/io.h> #include <asm/mmu.h> @@ -42,7 +43,6 @@ void remove_tlb(u32 vaddr, u32 size) u32 tlb_vaddr; u32 tlb_size = 0; - /* First, find the index of a TLB entry not being used */ for (i=0; i<PPC4XX_TLB_SIZE; i++) { tlb_word0_value = mftlb1(i); tlb_vaddr = TLB_WORD0_EPN_DECODE(tlb_word0_value); @@ -96,6 +96,92 @@ void remove_tlb(u32 vaddr, u32 size) asm("isync"); } +/* + * Change the I attribute (cache inhibited) of a TLB or multiple TLB's. + * This function is used to either turn cache on or off in a specific + * memory area. + */ +void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value) +{ + int i; + u32 tlb_word0_value; + u32 tlb_word2_value; + u32 tlb_vaddr; + u32 tlb_size = 0; + + for (i=0; i<PPC4XX_TLB_SIZE; i++) { + tlb_word0_value = mftlb1(i); + tlb_vaddr = TLB_WORD0_EPN_DECODE(tlb_word0_value); + if (((tlb_word0_value & TLB_WORD0_V_MASK) == TLB_WORD0_V_ENABLE) && + (tlb_vaddr >= vaddr)) { + /* + * TLB is enabled and start address is lower or equal + * than the area we are looking for. Now we only have + * to check the size/end address for a match. + */ + switch (tlb_word0_value & TLB_WORD0_SIZE_MASK) { + case TLB_WORD0_SIZE_1KB: + tlb_size = 1 << 10; + break; + case TLB_WORD0_SIZE_4KB: + tlb_size = 4 << 10; + break; + case TLB_WORD0_SIZE_16KB: + tlb_size = 16 << 10; + break; + case TLB_WORD0_SIZE_64KB: + tlb_size = 64 << 10; + break; + case TLB_WORD0_SIZE_256KB: + tlb_size = 256 << 10; + break; + case TLB_WORD0_SIZE_1MB: + tlb_size = 1 << 20; + break; + case TLB_WORD0_SIZE_16MB: + tlb_size = 16 << 20; + break; + case TLB_WORD0_SIZE_256MB: + tlb_size = 256 << 20; + break; + } + + /* + * Now check the end-address if it's in the range + */ + if ((tlb_vaddr + tlb_size - 1) <= (vaddr + size - 1)) { + /* + * Found a TLB in the range. + * Change cache attribute in tlb2 word. + */ + tlb_word2_value = + TLB_WORD2_U0_DISABLE | TLB_WORD2_U1_DISABLE | + TLB_WORD2_U2_DISABLE | TLB_WORD2_U3_DISABLE | + TLB_WORD2_W_DISABLE | tlb_word2_i_value | + TLB_WORD2_M_DISABLE | TLB_WORD2_G_DISABLE | + TLB_WORD2_E_DISABLE | TLB_WORD2_UX_ENABLE | + TLB_WORD2_UW_ENABLE | TLB_WORD2_UR_ENABLE | + TLB_WORD2_SX_ENABLE | TLB_WORD2_SW_ENABLE | + TLB_WORD2_SR_ENABLE; + + /* + * Now either flush or invalidate the dcache + */ + if (tlb_word2_i_value) + flush_dcache(); + else + invalidate_dcache(); + + mttlb3(i, tlb_word2_value); + asm("iccci 0,0"); + } + } + } + + /* Execute an ISYNC instruction so that the new TLB entry takes effect */ + asm("isync"); +} + static int add_tlb_entry(unsigned long phys_addr, unsigned long virt_addr, unsigned long tlb_word0_size_value, diff --git a/cpu/ppc4xx/usb.c b/cpu/ppc4xx/usb.c index 272ed8c..cb8d5c7 100644 --- a/cpu/ppc4xx/usb.c +++ b/cpu/ppc4xx/usb.c @@ -25,25 +25,41 @@ #if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_CPU_INIT) +#ifdef CONFIG_4xx_DCACHE +#include <asm/mmu.h> +DECLARE_GLOBAL_DATA_PTR; +#endif + #include "usbdev.h" int usb_cpu_init(void) { +#ifdef CONFIG_4xx_DCACHE + /* disable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE); +#endif #if defined(CONFIG_440EP) || defined(CONFIG_440EPX) usb_dev_init(); #endif - return 0; } int usb_cpu_stop(void) { +#ifdef CONFIG_4xx_DCACHE + /* enable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0); +#endif return 0; } int usb_cpu_init_fail(void) { +#ifdef CONFIG_4xx_DCACHE + /* enable cache */ + change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0); +#endif return 0; } diff --git a/cpu/ppc4xx/vecnum.h b/cpu/ppc4xx/vecnum.h index bddf9e5..93e51b9 100644 --- a/cpu/ppc4xx/vecnum.h +++ b/cpu/ppc4xx/vecnum.h @@ -270,6 +270,110 @@ #define VECNUM_EIR3 30 /* External interrupt 3 */ #define VECNUM_EIR4 31 /* External interrupt 4 */ +#elif defined(CONFIG_405EX) + +/* UIC 0 */ +#define VECNUM_U0 00 +#define VECNUM_U1 01 +#define VECNUM_IIC0 02 +#define VECNUM_PKA 03 +#define VECNUM_TRNG 04 +#define VECNUM_EBM 05 +#define VECNUM_BGI 06 +#define VECNUM_IIC1 07 +#define VECNUM_SPI 08 +#define VECNUM_EIR0 09 +#define VECNUM_MTE 10 /* MAL Tx EOB */ +#define VECNUM_MRE 11 /* MAL Rx EOB */ +#define VECNUM_DMA0 12 +#define VECNUM_DMA1 13 +#define VECNUM_DMA2 14 +#define VECNUM_DMA3 15 +#define VECNUM_PCIE0AL 16 +#define VECNUM_PCIE0VPD 17 +#define VECNUM_RPCIE0HRST 18 +#define VECNUM_FPCIE0HRST 19 +#define VECNUM_PCIE0TCR 20 +#define VECNUM_PCIEMSI0 21 +#define VECNUM_PCIEMSI1 22 +#define VECNUM_SECURITY 23 +#define VECNUM_ETH0 24 +#define VECNUM_ETH1 25 +#define VECNUM_PCIEMSI2 26 +#define VECNUM_EIR4 27 +#define VECNUM_UIC2NC 28 +#define VECNUM_UIC2C 29 +#define VECNUM_UIC1NC 30 +#define VECNUM_UIC1C 31 + +/* UIC 1 */ +#define VECNUM_MS (32 + 00) /* MAL SERR */ +#define VECNUM_TXDE (32 + 01) /* MAL TXDE */ +#define VECNUM_RXDE (32 + 02) /* MAL RXDE */ +#define VECNUM_PCIE0BMVC0 (32 + 03) +#define VECNUM_PCIE0DCRERR (32 + 04) +#define VECNUM_EBC (32 + 05) +#define VECNUM_NDFC (32 + 06) +#define VECNUM_PCEI1DCRERR (32 + 07) +#define VECNUM_CT8 (32 + 08) +#define VECNUM_CT9 (32 + 09) +#define VECNUM_PCIE1AL (32 + 10) +#define VECNUM_PCIE1VPD (32 + 11) +#define VECNUM_RPCE1HRST (32 + 12) +#define VECNUM_FPCE1HRST (32 + 13) +#define VECNUM_PCIE1TCR (32 + 14) +#define VECNUM_PCIE1VC0 (32 + 15) +#define VECNUM_CT3 (32 + 16) +#define VECNUM_CT4 (32 + 17) +#define VECNUM_EIR7 (32 + 18) +#define VECNUM_EIR8 (32 + 19) +#define VECNUM_EIR9 (32 + 20) +#define VECNUM_CT5 (32 + 21) +#define VECNUM_CT6 (32 + 22) +#define VECNUM_CT7 (32 + 23) +#define VECNUM_SROM (32 + 24) /* SERIAL ROM */ +#define VECNUM_GPTDECPULS (32 + 25) /* GPT Decrement pulse */ +#define VECNUM_EIR2 (32 + 26) +#define VECNUM_EIR5 (32 + 27) +#define VECNUM_EIR6 (32 + 28) +#define VECNUM_EMAC0WAKE (32 + 29) +#define VECNUM_EIR1 (32 + 30) +#define VECNUM_EMAC1WAKE (32 + 31) + +/* UIC 2 */ +#define VECNUM_PCIE0INTA (64 + 00) /* PCIE0 INTA */ +#define VECNUM_PCIE0INTB (64 + 01) /* PCIE0 INTB */ +#define VECNUM_PCIE0INTC (64 + 02) /* PCIE0 INTC */ +#define VECNUM_PCIE0INTD (64 + 03) /* PCIE0 INTD */ +#define VECNUM_EIR3 (64 + 04) /* External IRQ 3 */ +#define VECNUM_DDRMCUE (64 + 05) +#define VECNUM_DDRMCCE (64 + 06) +#define VECNUM_MALINTCOATX0 (64 + 07) /* Interrupt coalecence TX0 */ +#define VECNUM_MALINTCOATX1 (64 + 08) /* Interrupt coalecence TX1 */ +#define VECNUM_MALINTCOARX0 (64 + 09) /* Interrupt coalecence RX0 */ +#define VECNUM_MALINTCOARX1 (64 + 10) /* Interrupt coalecence RX1 */ +#define VECNUM_PCIE1INTA (64 + 11) /* PCIE0 INTA */ +#define VECNUM_PCIE1INTB (64 + 12) /* PCIE0 INTB */ +#define VECNUM_PCIE1INTC (64 + 13) /* PCIE0 INTC */ +#define VECNUM_PCIE1INTD (64 + 14) /* PCIE0 INTD */ +#define VECNUM_RPCIEMSI2 (64 + 15) /* MSI level 2 */ +#define VECNUM_PCIEMSI3 (64 + 16) /* MSI level 2 */ +#define VECNUM_PCIEMSI4 (64 + 17) /* MSI level 2 */ +#define VECNUM_PCIEMSI5 (64 + 18) /* MSI level 2 */ +#define VECNUM_PCIEMSI6 (64 + 19) /* MSI level 2 */ +#define VECNUM_PCIEMSI7 (64 + 20) /* MSI level 2 */ +#define VECNUM_PCIEMSI8 (64 + 21) /* MSI level 2 */ +#define VECNUM_PCIEMSI9 (64 + 22) /* MSI level 2 */ +#define VECNUM_PCIEMSI10 (64 + 23) /* MSI level 2 */ +#define VECNUM_PCIEMSI11 (64 + 24) /* MSI level 2 */ +#define VECNUM_PCIEMSI12 (64 + 25) /* MSI level 2 */ +#define VECNUM_PCIEMSI13 (64 + 26) /* MSI level 2 */ +#define VECNUM_PCIEMSI14 (64 + 27) /* MSI level 2 */ +#define VECNUM_PCIEMSI15 (64 + 28) /* MSI level 2 */ +#define VECNUM_PLB4XAHB (64 + 29) /* PLBxAHB bridge */ +#define VECNUM_USBWAKE (64 + 30) /* USB wakup */ +#define VECNUM_USBOTG (64 + 31) /* USB OTG */ + #else /* !CONFIG_405EZ */ #define VECNUM_U0 0 /* UART0 */ |