diff options
Diffstat (limited to 'board/amcc')
| -rw-r--r-- | board/amcc/bamboo/bamboo.c | 122 | ||||
| -rw-r--r-- | board/amcc/bamboo/flash.c | 11 | ||||
| -rw-r--r-- | board/amcc/bamboo/init.S | 24 | ||||
| -rw-r--r-- | board/amcc/yosemite/Makefile | 1 | ||||
| -rw-r--r-- | board/amcc/yosemite/flash.c | 571 | ||||
| -rw-r--r-- | board/amcc/yosemite/init.S | 21 | ||||
| -rw-r--r-- | board/amcc/yosemite/yosemite.c | 55 |
7 files changed, 193 insertions, 612 deletions
diff --git a/board/amcc/bamboo/bamboo.c b/board/amcc/bamboo/bamboo.c index 0d5ab71..d02add5 100644 --- a/board/amcc/bamboo/bamboo.c +++ b/board/amcc/bamboo/bamboo.c @@ -29,6 +29,7 @@ void ext_bus_cntlr_init(void); void configure_ppc440ep_pins(void); +int is_nand_selected(void); gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; #if 0 @@ -132,10 +133,10 @@ gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX]; EBC0_BNCR_BW_8BIT #define EBC0_BNCR_SMALL_FLASH_CS4 \ - EBC0_BNCR_BAS_ENCODE(0x87800000) | \ - EBC0_BNCR_BS_8MB | \ + EBC0_BNCR_BAS_ENCODE(0x87F00000) | \ + EBC0_BNCR_BS_1MB | \ EBC0_BNCR_BU_RW | \ - EBC0_BNCR_BW_16BIT + EBC0_BNCR_BW_8BIT /* Large Flash or SRAM */ #define EBC0_BNAP_LARGE_FLASH_OR_SRAM \ @@ -273,6 +274,87 @@ int board_early_init_f(void) return 0; } +#if (CONFIG_COMMANDS & CFG_CMD_NAND) +#include <linux/mtd/nand.h> +extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; + +/*----------------------------------------------------------------------------+ + | nand_reset. + | Reset Nand flash + | This routine will abort previous cmd + +----------------------------------------------------------------------------*/ +int nand_reset(ulong addr) +{ + int wait=0, stat=0; + + out8(addr + NAND_CMD_REG, NAND0_CMD_RESET); + out8(addr + NAND_CMD_REG, NAND0_CMD_READ_STATUS); + + while ((stat != 0xc0) && (wait != 0xffff)) { + stat = in8(addr + NAND_DATA_REG); + wait++; + } + + if (stat == 0xc0) { + return 0; + } else { + printf("NAND Reset timeout.\n"); + return -1; + } +} + +void board_nand_set_device(int cs, ulong addr) +{ + /* Set NandFlash Core Configuration Register */ + out32(addr + NAND_CCR_REG, 0x00001000 | (cs << 24)); + + switch (cs) { + case 1: + /* ------- + * NAND0 + * ------- + * K9F1208U0A : 4 addr cyc, 1 col + 3 Row + * Set NDF1CR - Enable External CS1 in NAND FLASH controller + */ + out32(addr + NAND_CR1_REG, 0x80002222); + break; + + case 2: + /* ------- + * NAND1 + * ------- + * K9K2G0B : 5 addr cyc, 2 col + 3 Row + * Set NDF2CR : Enable External CS2 in NAND FLASH controller + */ + out32(addr + NAND_CR2_REG, 0xC0007777); + break; + } + + /* Perform Reset Command */ + if (nand_reset(addr) != 0) + return; +} + +void nand_init(void) +{ + board_nand_set_device(1, CFG_NAND_ADDR); + + nand_probe(CFG_NAND_ADDR); + if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) { + print_size(nand_dev_desc[0].totlen, "\n"); + } + +#if 0 /* NAND1 not supported yet */ + board_nand_set_device(2, CFG_NAND2_ADDR); + + nand_probe(CFG_NAND2_ADDR); + if (nand_dev_desc[0].ChipID != NAND_ChipID_UNKNOWN) { + print_size(nand_dev_desc[0].totlen, "\n"); + } +#endif +} +#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */ + int checkboard(void) { sys_info_t sysinfo; @@ -585,7 +667,11 @@ int is_powerpc440ep_pass1(void) +----------------------------------------------------------------------------*/ int is_nand_selected(void) { - return FALSE; /* test-only */ +#ifdef CONFIG_BAMBOO_NAND + return TRUE; +#else + return FALSE; +#endif } /*----------------------------------------------------------------------------+ @@ -829,12 +915,8 @@ void ext_bus_cntlr_init(void) /* NAND Flash */ ebc0_cs1_bnap_value = EBC0_BNAP_NAND_FLASH; ebc0_cs1_bncr_value = EBC0_BNCR_NAND_FLASH_CS1; - /*ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH; - ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2; - ebc0_cs3_bnap_value = EBC0_BNAP_NAND_FLASH; - ebc0_cs3_bncr_value = EBC0_BNCR_NAND_FLASH_CS3;*/ - ebc0_cs2_bnap_value = 0; - ebc0_cs2_bncr_value = 0; + ebc0_cs2_bnap_value = EBC0_BNAP_NAND_FLASH; + ebc0_cs2_bncr_value = EBC0_BNCR_NAND_FLASH_CS2; ebc0_cs3_bnap_value = 0; ebc0_cs3_bncr_value = 0; } else { @@ -985,7 +1067,7 @@ void ext_bus_cntlr_init(void) +----------------------------------------------------------------------------*/ uart_config_nb_t get_uart_configuration(void) { - return (L4); /* test-only */ + return (L4); } /*----------------------------------------------------------------------------+ @@ -1132,8 +1214,7 @@ void ndfc_selection_in_fpga(void) fpga_selection_1_reg = in8(FPGA_SELECTION_1_REG) &~FPGA_SEL_1_REG_NF_SELEC_MASK; fpga_selection_1_reg |= FPGA_SEL_1_REG_NF0_SEL_BY_NFCS1; - /*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2; */ - /*fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS3; */ + fpga_selection_1_reg |= FPGA_SEL_1_REG_NF1_SEL_BY_NFCS2; out8(FPGA_SELECTION_1_REG,fpga_selection_1_reg); } @@ -1725,11 +1806,15 @@ void force_bup_core_selection(core_selection_t *core_select_P, config_validity_t *(core_select_P+UIC_0_3) = CORE_SELECTED; *(core_select_P+UIC_4_9) = CORE_SELECTED; - *(core_select_P+SCP_CORE) = CORE_SELECTED; - *(core_select_P+DMA_CHANNEL_CD) = CORE_SELECTED; - *(core_select_P+PACKET_REJ_FUNC_AVAIL) = CORE_SELECTED; + *(core_select_P+SCP_CORE) = CORE_SELECTED; + *(core_select_P+DMA_CHANNEL_CD) = CORE_SELECTED; + *(core_select_P+PACKET_REJ_FUNC_AVAIL) = CORE_SELECTED; *(core_select_P+USB1_DEVICE) = CORE_SELECTED; + if (is_nand_selected()) { + *(core_select_P+NAND_FLASH) = CORE_SELECTED; + } + *config_val_P = CONFIG_IS_VALID; } @@ -1901,9 +1986,8 @@ void configure_ppc440ep_pins(void) SDR0_CUST0_NDFC_ENABLE | SDR0_CUST0_NDFC_BW_8_BIT | SDR0_CUST0_NDFC_ARE_MASK | - SDR0_CUST0_CHIPSELGAT_EN1 ); - /*SDR0_CUST0_CHIPSELGAT_EN2 ); */ - /*SDR0_CUST0_CHIPSELGAT_EN3 ); */ + SDR0_CUST0_CHIPSELGAT_EN1 | + SDR0_CUST0_CHIPSELGAT_EN2); ndfc_selection_in_fpga(); } diff --git a/board/amcc/bamboo/flash.c b/board/amcc/bamboo/flash.c index 97a4b98..a30ab7a 100644 --- a/board/amcc/bamboo/flash.c +++ b/board/amcc/bamboo/flash.c @@ -50,15 +50,16 @@ flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ /* * Mark big flash bank (16 bit instead of 8 bit access) in address with bit 0 */ -static unsigned long flash_addr_table[8][CFG_MAX_FLASH_BANKS] = { +static unsigned long flash_addr_table[][CFG_MAX_FLASH_BANKS] = { {0x87800001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */ {0x00000000, 0x00000000, 0x00000000}, /* 1:boot from pci 66 */ {0x00000000, 0x00000000, 0x00000000}, /* 2:boot from nand flash */ - {0x87800000, 0x87880000, 0xFF800001}, /* 3:boot from big flash 33*/ - {0x87800000, 0x87880000, 0xFF800001}, /* 4:boot from big flash 66*/ + {0x87F00000, 0x87F80000, 0xFFC00001}, /* 3:boot from big flash 33*/ + {0x87F00000, 0x87F80000, 0xFFC00001}, /* 4:boot from big flash 66*/ {0x00000000, 0x00000000, 0x00000000}, /* 5:boot from */ {0x00000000, 0x00000000, 0x00000000}, /* 6:boot from pci 66 */ {0x00000000, 0x00000000, 0x00000000}, /* 7:boot from */ + {0x87C00001, 0xFFF00000, 0xFFF80000}, /* 0:boot from small flash */ }; /* @@ -117,6 +118,10 @@ unsigned long flash_init(void) index = 2; break; } + } else if (index == 0) { + if (in8(FPGA_SETTING_REG) & FPGA_SET_REG_OP_CODE_FLASH_ABOVE) { + index = 8; /* sram below op code flash -> new index 8 */ + } } DEBUGF("\n"); diff --git a/board/amcc/bamboo/init.S b/board/amcc/bamboo/init.S index 9070293..7820107 100644 --- a/board/amcc/bamboo/init.S +++ b/board/amcc/bamboo/init.S @@ -86,14 +86,20 @@ tlbtab: tlbtab_start - /* - 0xf0000000 must be first, before relocation SA_I must be off to use the - dcache as stack. It is patched after relocation to enable SA_I - */ - tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) - tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) - tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) + + /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ + tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) + + tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) + tlbentry( CFG_NAND_ADDR, SZ_256M, CFG_NAND_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) /* PCI */ tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I ) @@ -102,6 +108,6 @@ tlbtab: tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 0, AC_R|AC_W|SA_G|SA_I ) /* USB 2.0 Device */ - tlbentry( CFG_USB_DEVICE, SZ_1K, 0x50000000, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_USB_DEVICE, SZ_1K, CFG_USB_DEVICE, 0, AC_R|AC_W|SA_G|SA_I ) tlbtab_end diff --git a/board/amcc/yosemite/Makefile b/board/amcc/yosemite/Makefile index 5654f91..47116d3 100644 --- a/board/amcc/yosemite/Makefile +++ b/board/amcc/yosemite/Makefile @@ -26,7 +26,6 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a OBJS = $(BOARD).o -OBJS += flash.o SOBJS = init.o $(LIB): $(OBJS) $(SOBJS) diff --git a/board/amcc/yosemite/flash.c b/board/amcc/yosemite/flash.c deleted file mode 100644 index cd6a2e6..0000000 --- a/board/amcc/yosemite/flash.c +++ /dev/null @@ -1,571 +0,0 @@ -/* - * (C) Copyright 2002-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> - * Add support for Am29F016D and dynamic switch setting. - * - * 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 - */ - -/* - * Modified 4/5/2001 - * Wait for completion of each sector erase command issued - * 4/5/2001 - * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com - */ - -/* - * Ported to XPedite1000, 1/2 mb boot flash only - * Travis B. Sawyer, <travis.sawyer@sandburst.com> - */ - -#include <common.h> -#include <ppc4xx.h> -#include <asm/processor.h> - -#undef DEBUG -#ifdef DEBUG -#define DEBUGF(x...) printf(x) -#else -#define DEBUGF(x...) -#endif /* DEBUG */ - -#define BOOT_SMALL_FLASH 32 /* 00100000 */ -#define FLASH_ONBD_N 2 /* 00000010 */ -#define FLASH_SRAM_SEL 1 /* 00000001 */ - -#define BOOT_SMALL_FLASH_VAL 4 -#define FLASH_ONBD_N_VAL 2 -#define FLASH_SRAM_SEL_VAL 1 - -flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -unsigned long flash_addr_table[512][CFG_MAX_FLASH_BANKS] = { - {0xfe000000} - -}; - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size(vu_long * addr, flash_info_t * info); -static int write_word(flash_info_t * info, ulong dest, ulong data); - -#define ADDR0 0xaaaa -#define ADDR1 0x5554 -#define FLASH_WORD_SIZE unsigned short - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init(void) -{ - unsigned long total_b = 0; - unsigned long size_b[CFG_MAX_FLASH_BANKS]; - unsigned short index = 0; - int i; - - DEBUGF("\n"); - DEBUGF("FLASH: Index: %d\n", index); - - /* Init: no FLASHes known */ - for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - flash_info[i].sector_count = -1; - flash_info[i].size = 0; - - /* check whether the address is 0 */ - if (flash_addr_table[index][i] == 0) { - continue; - } - - /* call flash_get_size() to initialize sector address */ - size_b[i] = flash_get_size((vu_long *) - flash_addr_table[index][i], - &flash_info[i]); - flash_info[i].size = size_b[i]; - if (flash_info[i].flash_id == FLASH_UNKNOWN) { - printf - ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", - i, size_b[i], size_b[i] << 20); - flash_info[i].sector_count = -1; - flash_info[i].size = 0; - } - - total_b += flash_info[i].size; - } - - /* FLASH protect Monitor */ - flash_protect(FLAG_PROTECT_SET, - CFG_MONITOR_BASE, 0xFFFFFFFF, &flash_info[0]); - - return total_b; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info(flash_info_t * info) -{ - int i; - int k; - int size; - int erased; - volatile unsigned long *flash; - - if (info->flash_id == FLASH_UNKNOWN) { - printf("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: - printf("AMD "); - break; - case FLASH_MAN_FUJ: - printf("FUJITSU "); - break; - case FLASH_MAN_SST: - printf("SST "); - break; - default: - printf("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_AMD016: - printf("AM29F016D (16 Mbit, uniform sector size)\n"); - break; - case FLASH_AM040: - printf("AM29F040 (512 Kbit, uniform sector size)\n"); - break; - case FLASH_AM400B: - printf("AM29LV400B (4 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM400T: - printf("AM29LV400T (4 Mbit, top boot sector)\n"); - break; - case FLASH_AM800B: - printf("AM29LV800B (8 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM800T: - printf("AM29LV800T (8 Mbit, top boot sector)\n"); - break; - case FLASH_AM160B: - printf("AM29LV160B (16 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM160T: - printf("AM29LV160T (16 Mbit, top boot sector)\n"); - break; - case FLASH_AM320B: - printf("AM29LV320B (32 Mbit, bottom boot sect)\n"); - break; - case FLASH_AM320T: - printf("AM29LV320T (32 Mbit, top boot sector)\n"); - break; - case FLASH_SST800A: - printf("SST39LF/VF800 (8 Mbit, uniform sector size)\n"); - break; - case FLASH_SST160A: - printf("SST39LF/VF160 (16 Mbit, uniform sector size)\n"); - break; - default: - printf("Unknown Chip Type\n"); - break; - } - - printf(" Size: %ld KB in %d Sectors\n", - info->size >> 10, info->sector_count); - - printf(" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - /* - * Check if whole sector is erased - */ - if (i != (info->sector_count - 1)) - size = info->start[i + 1] - info->start[i]; - else - size = info->start[0] + info->size - info->start[i]; - erased = 1; - flash = (volatile unsigned long *)info->start[i]; - size = size >> 2; /* divide by 4 for longword access */ - for (k = 0; k < size; k++) { - if (*flash++ != 0xffffffff) { - erased = 0; - break; - } - } - - if ((i % 5) == 0) - printf("\n "); - printf(" %08lX%s%s", - info->start[i], - erased ? " E" : " ", info->protect[i] ? "RO " : " "); - } - printf("\n"); - return; -} - -/*----------------------------------------------------------------------- - */ - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size(vu_long * addr, flash_info_t * info) -{ - short i; - FLASH_WORD_SIZE value; - ulong base = (ulong) addr; - volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) addr; - - DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr); - - /* Write auto select command: read Manufacturer ID */ - udelay(10000); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x00AA; - udelay(1000); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = (FLASH_WORD_SIZE) 0x0055; - udelay(1000); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = (FLASH_WORD_SIZE) 0x0090; - udelay(1000); - - value = addr2[0]; - - DEBUGF("FLASH MANUFACT: %x\n", value); - - switch (value) { - case (FLASH_WORD_SIZE) AMD_MANUFACT: - info->flash_id = FLASH_MAN_AMD; - break; - case (FLASH_WORD_SIZE) FUJ_MANUFACT: - info->flash_id = FLASH_MAN_FUJ; - break; - case (FLASH_WORD_SIZE) SST_MANUFACT: - info->flash_id = FLASH_MAN_SST; - break; - case (FLASH_WORD_SIZE) STM_MANUFACT: - info->flash_id = FLASH_MAN_STM; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - -#ifdef CONFIG_ADCIOP - value = addr2[0]; /* device ID */ - debug("\ndev_code=%x\n", value); -#else - value = addr2[1]; /* device ID */ -#endif - - DEBUGF("\nFLASH DEVICEID: %x\n", value); - - info->flash_id = 0; - info->sector_count = CFG_MAX_FLASH_SECT; - info->size = 0x02000000; - - /* set up sector start address table */ - for (i = 0; i < info->sector_count; i++) { - info->start[i] = (int)base + (i * 0x00020000); - info->protect[i] = 0; - } - - *(FLASH_WORD_SIZE *) ((int)addr) = (FLASH_WORD_SIZE) 0x00F0; /* reset bank */ - - return (info->size); -} - -int wait_for_DQ7(flash_info_t * info, int sect) -{ - ulong start, now, last; - volatile FLASH_WORD_SIZE *addr = - (FLASH_WORD_SIZE *) (info->start[sect]); - - start = get_timer(0); - last = start; - while ((addr[0] & (FLASH_WORD_SIZE) 0x00800080) != - (FLASH_WORD_SIZE) 0x00800080) { - if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { - printf("Timeout\n"); - return -1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc('.'); - last = now; - } - } - return 0; -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase(flash_info_t * info, int s_first, int s_last) -{ - volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *) (info->start[0]); - volatile FLASH_WORD_SIZE *addr2; - int flag, prot, sect, l_sect; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf("- missing\n"); - } else { - printf("- no sectors to erase\n"); - } - return 1; - } - - if (info->flash_id == FLASH_UNKNOWN) { - printf("Can't erase unknown flash type - aborted\n"); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr2 = (FLASH_WORD_SIZE *) (info->start[sect]); - printf("Erasing sector %p\n", addr2); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = - (FLASH_WORD_SIZE) 0x00AA; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = - (FLASH_WORD_SIZE) 0x0055; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = - (FLASH_WORD_SIZE) 0x0080; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR0) = - (FLASH_WORD_SIZE) 0x00AA; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr + ADDR1) = - (FLASH_WORD_SIZE) 0x0055; - asm("sync"); - asm("isync"); - addr2[0] = (FLASH_WORD_SIZE) 0x00300030; /* sector erase */ - asm("sync"); - asm("isync"); - - l_sect = sect; - /* - * Wait for each sector to complete, it's more - * reliable. According to AMD Spec, you must - * issue all erase commands within a specified - * timeout. This has been seen to fail, especially - * if printf()s are included (for debug)!! - */ - wait_for_DQ7(info, sect); - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay(1000); - -#if 0 - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - wait_for_DQ7(info, l_sect); - - DONE: -#endif - /* reset to read mode */ - addr = (FLASH_WORD_SIZE *) info->start[0]; - addr[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */ - - printf(" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - ulong status_value = 0; - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < 4 && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < 4; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - - /*print status if needed */ - if ((wp >= (status_value + 0x20000)) - && (status_value < 0xFFFE0000)) { - status_value = wp; - printf("writing to sector 0x%X\n", status_value); - } - - data = 0; - for (i = 0; i < 4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < 4; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_word(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word(flash_info_t * info, ulong dest, ulong data) -{ - vu_long *addr2 = (vu_long *) (info->start[0]); - volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest; - volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data; - ulong start; - int i; - - /* Check if Flash is (sufficiently) erased */ - if ((*((volatile FLASH_WORD_SIZE *)dest) & - (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) { - return (2); - } - - for (i = 0; i < 4 / sizeof(FLASH_WORD_SIZE); i++) { - int flag; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) = - (FLASH_WORD_SIZE) 0x00AA; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR1) = - (FLASH_WORD_SIZE) 0x0055; - asm("sync"); - asm("isync"); - *(FLASH_WORD_SIZE *) ((int)addr2 + ADDR0) = - (FLASH_WORD_SIZE) 0x00A0; - asm("sync"); - asm("isync"); - - dest2[i] = data2[i]; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer(0); - while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) != - (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) { - - if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { - return (1); - } - } - } - - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/board/amcc/yosemite/init.S b/board/amcc/yosemite/init.S index 7ba43c7..425ad08 100644 --- a/board/amcc/yosemite/init.S +++ b/board/amcc/yosemite/init.S @@ -86,14 +86,19 @@ tlbtab: tlbtab_start - /* - 0xf0000000 must be first, before relocation SA_I must be off to use the - dcache as stack. It is patched after relocation to enable SA_I - */ - tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) - tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) - tlbentry( CFG_PCI_BASE, SZ_256M, 0xE0000000, 0, AC_R|AC_W|SA_G|SA_I ) - tlbentry( CFG_NVRAM_BASE_ADDR, SZ_16K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_G/*|SA_I*/) + + /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ + tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G ) + + tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I ) + tlbentry( CFG_PCI_BASE, SZ_256M, CFG_PCI_BASE, 0, AC_R|AC_W|SA_G|SA_I ) + tlbentry( CFG_NVRAM_BASE_ADDR, SZ_256M, CFG_NVRAM_BASE_ADDR, 0, AC_R|AC_W|AC_X|SA_W|SA_I ) /* PCI */ tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 0, AC_R|AC_W|SA_G|SA_I ) diff --git a/board/amcc/yosemite/yosemite.c b/board/amcc/yosemite/yosemite.c index 6c8a883..b50e99a 100644 --- a/board/amcc/yosemite/yosemite.c +++ b/board/amcc/yosemite/yosemite.c @@ -20,9 +20,12 @@ */ #include <common.h> +#include <ppc4xx.h> #include <asm/processor.h> #include <spd_sdram.h> +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + int board_early_init_f(void) { register uint reg; @@ -35,7 +38,7 @@ int board_early_init_f(void) mtdcr(ebccfgd, reg | 0x04000000); /* Set ATC */ mtebc(pb0ap, 0x03017300); /* FLASH/SRAM */ - mtebc(pb0cr, 0xfe0ba000); /* BAS=0xfe0 32MB r/w 16-bit */ + mtebc(pb0cr, 0xfc0da000); /* BAS=0xfc0 64MB r/w 16-bit */ mtebc(pb1ap, 0x00000000); mtebc(pb1cr, 0x00000000); @@ -122,6 +125,54 @@ int board_early_init_f(void) return 0; } +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + uint pbcr; + int size_val = 0; + + /* Re-do sizing to get full correct info */ + mtdcr(ebccfga, pb0cr); + pbcr = mfdcr(ebccfgd); + switch (gd->bd->bi_flashsize) { + case 1 << 20: + size_val = 0; + break; + case 2 << 20: + size_val = 1; + break; + case 4 << 20: + size_val = 2; + break; + case 8 << 20: + size_val = 3; + break; + case 16 << 20: + size_val = 4; + break; + case 32 << 20: + size_val = 5; + break; + case 64 << 20: + size_val = 6; + break; + case 128 << 20: + size_val = 7; + break; + } + pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); + mtdcr(ebccfga, pb0cr); + mtdcr(ebccfgd, pbcr); + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CFG_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + return 0; +} + int checkboard(void) { sys_info_t sysinfo; @@ -135,6 +186,8 @@ int checkboard(void) printf("\tOPB: %lu MHz\n", sysinfo.freqOPB / 1000000); printf("\tPER: %lu MHz\n", sysinfo.freqEPB / 1000000); printf("\tPCI: %lu MHz\n", sysinfo.freqPCI / 1000000); + + return (0); } |