diff options
Diffstat (limited to 'qemu/roms/u-boot/board/v37')
| -rw-r--r-- | qemu/roms/u-boot/board/v37/Makefile | 8 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/v37/flash.c | 543 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/v37/u-boot.lds | 82 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/v37/v37.c | 202 |
4 files changed, 0 insertions, 835 deletions
diff --git a/qemu/roms/u-boot/board/v37/Makefile b/qemu/roms/u-boot/board/v37/Makefile deleted file mode 100644 index 2df4b82fb..000000000 --- a/qemu/roms/u-boot/board/v37/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# (C) Copyright 2003-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-y = v37.o flash.o diff --git a/qemu/roms/u-boot/board/v37/flash.c b/qemu/roms/u-boot/board/v37/flash.c deleted file mode 100644 index 5b34af249..000000000 --- a/qemu/roms/u-boot/board/v37/flash.c +++ /dev/null @@ -1,543 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Yoo. Jonghoon, IPone, yooth@ipone.co.kr - * U-Boot port on RPXlite board - * - * Some of flash control words are modified. (from 2x16bit device - * to 4x8bit device) - * RPXLite board I tested has only 4 AM29LV800BB devices. Other devices - * are not tested. - * - * (?) Does an RPXLite board which - * does not use AM29LV800 flash memory exist ? - * I don't know... - */ - -#include <common.h> -#include <mpc8xx.h> - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size ( short manu, short dev_id, flash_info_t *info); -static int write_word (flash_info_t *info, ulong dest, ulong data); -static void flash_get_offsets (ulong base, flash_info_t *info, int two_chips); -static void flash_get_id_word( void *ptr, short *ptr_manuf, short *ptr_dev_id); -static void flash_get_id_long( void *ptr, short *ptr_manuf, short *ptr_dev_id); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - unsigned long size_b0, size_b1; - short manu, dev_id; - int i; - - /* Init: no FLASHes known */ - for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) { - flash_info[i].flash_id = FLASH_UNKNOWN; - } - - /* Do sizing to get full correct info */ - - flash_get_id_word((void*)CONFIG_SYS_FLASH_BASE0,&manu,&dev_id); - - size_b0 = flash_get_size(manu, dev_id, &flash_info[0]); - - flash_get_offsets (CONFIG_SYS_FLASH_BASE0, &flash_info[0],0); - - memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (0 - size_b0); - -#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE0 - /* monitor protection ON by default */ - flash_protect(FLAG_PROTECT_SET, - CONFIG_SYS_MONITOR_BASE, - CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1, - &flash_info[0]); -#endif - - flash_get_id_long((void*)CONFIG_SYS_FLASH_BASE1,&manu,&dev_id); - - size_b1 = 2 * flash_get_size(manu, dev_id, &flash_info[1]); - - flash_get_offsets(CONFIG_SYS_FLASH_BASE1, &flash_info[1],1); - - memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH | (0 - size_b1); - - flash_info[0].size = size_b0; - flash_info[1].size = size_b1; - - return (size_b0+size_b1); -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t *info, int two_chips) -{ - int i, addr_shift; - vu_short *addr = (vu_short*)base; - - addr[0x555] = 0x00AA ; - addr[0xAAA] = 0x0055 ; - addr[0x555] = 0x0090 ; - - addr_shift = (two_chips ? 2 : 1 ); - - /* set up sector start address table */ - if (info->flash_id & FLASH_BTYPE) { - /* set sector offsets for bottom boot block type */ - info->start[0] = base + (0x00000000<<addr_shift); - info->start[1] = base + (0x00002000<<addr_shift); - info->start[2] = base + (0x00003000<<addr_shift); - info->start[3] = base + (0x00004000<<addr_shift); - for (i = 4; i < info->sector_count; i++) { - info->start[i] = base + ((i-3) * (0x00008000<<addr_shift)) ; - } - } else { - /* set sector offsets for top boot block type */ - i = info->sector_count - 1; - info->start[i--] = base + info->size - (0x00002000<<addr_shift); - info->start[i--] = base + info->size - (0x00003000<<addr_shift); - info->start[i--] = base + info->size - (0x00004000<<addr_shift); - for (; i >= 0; i--) { - info->start[i] = base + i * (0x00008000<<addr_shift); - } - } - - /* check for protected sectors */ - for (i = 0; i < info->sector_count; i++) { - /* read sector protection at sector address, (A7 .. A0) = 0x02 */ - /* D0 = 1 if protected */ - addr = (vu_short *)(info->start[i]); - info->protect[i] = addr[1<<addr_shift] & 1 ; - } - - addr = (vu_short *)info->start[0]; - *addr = 0xF0F0; /* reset bank */ -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t *info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_AMD: printf ("AMD "); break; - case FLASH_MAN_FUJ: printf ("FUJITSU "); break; - case FLASH_MAN_TOSH: printf ("TOSHIBA "); break; - default: printf ("Unknown Vendor "); break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - 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; - default: printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i=0; i<info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], - info->protect[i] ? " (RO)" : " " - ); - } - printf ("\n"); -} - -/*----------------------------------------------------------------------- - */ - - -/*----------------------------------------------------------------------- - */ - -/* - * The following code cannot be run from FLASH! - */ - -static void flash_get_id_word( void *ptr, short *ptr_manuf, short *ptr_dev_id) -{ - vu_short *addr = (vu_short*)ptr; - - addr[0x555] = 0x00AA ; - addr[0xAAA] = 0x0055 ; - addr[0x555] = 0x0090 ; - - *ptr_manuf = addr[0]; - *ptr_dev_id = addr[1]; - - addr[0] = 0xf0f0; /* return to normal */ -} - -static void flash_get_id_long( void *ptr, short *ptr_manuf, short *ptr_dev_id) -{ - vu_short *addr = (vu_short*)ptr; - vu_short *addr1, *addr2, *addr3; - - addr1 = (vu_short*) ( ((int)ptr) + (0x5555<<2) ); - addr2 = (vu_short*) ( ((int)ptr) + (0x2AAA<<2) ); - addr3 = (vu_short*) ( ((int)ptr) + (0x5555<<2) ); - - *addr1 = 0xAAAA; - *addr2 = 0x5555; - *addr3 = 0x9090; - - *ptr_manuf = addr[0]; - *ptr_dev_id = addr[2]; - - addr[0] = 0xf0f0; /* return to normal */ -} - -static ulong flash_get_size ( short manu, short dev_id, flash_info_t *info) -{ - switch (manu) { - case ((short)AMD_MANUFACT): - info->flash_id = FLASH_MAN_AMD; - break; - case ((short)FUJ_MANUFACT): - info->flash_id = FLASH_MAN_FUJ; - break; - case ((short)TOSH_MANUFACT): - info->flash_id = FLASH_MAN_TOSH; - break; - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - return (0); /* no or unknown flash */ - } - - - switch (dev_id) { - case ((short)TOSH_ID_FVT160): - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00200000; - break; /* => 1 MB */ - - case ((short)TOSH_ID_FVB160): - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00200000; - break; /* => 1 MB */ - - case ((short)AMD_ID_LV400T): - info->flash_id += FLASH_AM400T; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case ((short)AMD_ID_LV400B): - info->flash_id += FLASH_AM400B; - info->sector_count = 11; - info->size = 0x00100000; - break; /* => 1 MB */ - - case ((short)AMD_ID_LV800T): - info->flash_id += FLASH_AM800T; - info->sector_count = 19; - info->size = 0x00200000; - break; /* => 2 MB */ - - case ((short)AMD_ID_LV800B): - info->flash_id += FLASH_AM800B; - info->sector_count = 19; - info->size = 0x00400000; /*%%% Size doubled by yooth */ - break; /* => 4 MB */ - - case ((short)AMD_ID_LV160T): - info->flash_id += FLASH_AM160T; - info->sector_count = 35; - info->size = 0x00200000; - break; /* => 4 MB */ - - case ((short)AMD_ID_LV160B): - info->flash_id += FLASH_AM160B; - info->sector_count = 35; - info->size = 0x00200000; - break; /* => 4 MB */ - default: - info->flash_id = FLASH_UNKNOWN; - return (0); /* => no or unknown flash */ - - } - - return(info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t *info, int s_first, int s_last) -{ - vu_short *addr = (vu_short*)(info->start[0]); - int flag, prot, sect, l_sect; - ulong start, now, last; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id == FLASH_UNKNOWN) || - (info->flash_id > FLASH_AMD_COMP)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", - prot); - } else { - printf ("\n"); - } - - l_sect = -1; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x555] = (vu_short)0xAAAAAAAA; - addr[0xAAA] = (vu_short)0x55555555; - addr[0x555] = (vu_short)0x80808080; - addr[0x555] = (vu_short)0xAAAAAAAA; - addr[0xAAA] = (vu_short)0x55555555; - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - addr = (vu_short *)(info->start[sect]) ; - addr[0] = (vu_short)0x30303030 ; - l_sect = sect; - } - } - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* wait at least 80us - let's wait 1 ms */ - udelay (1000); - - /* - * We wait for the last triggered sector - */ - if (l_sect < 0) - goto DONE; - - start = get_timer (0); - last = start; - addr = (vu_short *)(info->start[l_sect]); - while ((addr[0] & 0x8080) != 0x8080) { - if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - return 1; - } - /* show that we're waiting */ - if ((now - last) > 1000) { /* every second */ - putc ('.'); - last = now; - } - } - -DONE: - /* reset to read mode */ - addr = (vu_short *)info->start[0]; - addr[0] = (vu_short)0xF0F0F0F0; /* reset bank */ - - printf (" done\n"); - return 0; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ - -int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - - wp = (addr & ~3); /* get lower word aligned address */ - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i=0, cp=wp; i<l; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - for (; i<4 && cnt>0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - for (i=0; i<4; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_word(info, wp, data)) != 0) { - return (rc); - } - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data << 8) | (*(uchar *)cp); - } - - return (write_word(info, wp, data)); -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_word (flash_info_t *info, ulong dest, ulong data) -{ - vu_short *addr = (vu_short *)(info->start[0]); - vu_short sdata; - - ulong start; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*((vu_long *)dest) & data) != data) { - return (2); - } - - /* First write upper 16 bits */ - sdata = (short)(data>>16); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x555] = 0xAAAA; - addr[0xAAA] = 0x5555; - addr[0x555] = 0xA0A0; - - *((vu_short *)dest) = sdata; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*((vu_short *)dest) & 0x8080) != (sdata & 0x8080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - - /* Now write lower 16 bits */ - sdata = (short)(data&0xffff); - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - addr[0x555] = 0xAAAA; - addr[0xAAA] = 0x5555; - addr[0x555] = 0xA0A0; - - *((vu_short *)dest + 1) = sdata; - - /* re-enable interrupts if necessary */ - if (flag) - enable_interrupts(); - - /* data polling for D7 */ - start = get_timer (0); - while ((*((vu_short *)dest + 1) & 0x8080) != (sdata & 0x8080)) { - if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) { - return (1); - } - } - return (0); -} - -/*----------------------------------------------------------------------- - */ diff --git a/qemu/roms/u-boot/board/v37/u-boot.lds b/qemu/roms/u-boot/board/v37/u-boot.lds deleted file mode 100644 index 6e19b3f45..000000000 --- a/qemu/roms/u-boot/board/v37/u-boot.lds +++ /dev/null @@ -1,82 +0,0 @@ -/* - * (C) Copyright 2003-2010 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -OUTPUT_ARCH(powerpc) - -SECTIONS -{ - /* Read-only sections, merged into text segment: */ - . = + SIZEOF_HEADERS; - .text : - { - arch/powerpc/cpu/mpc8xx/start.o (.text*) - arch/powerpc/cpu/mpc8xx/traps.o (.text*) - - *(.text*) - } - _etext = .; - PROVIDE (etext = .); - .rodata : - { - *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) - } - - /* Read-write section, merged into data segment: */ - . = (. + 0x00FF) & 0xFFFFFF00; - _erotext = .; - PROVIDE (erotext = .); - .reloc : - { - _GOT2_TABLE_ = .; - KEEP(*(.got2)) - KEEP(*(.got)) - PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4); - _FIXUP_TABLE_ = .; - KEEP(*(.fixup)) - } - __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1; - __fixup_entries = (. - _FIXUP_TABLE_)>>2; - - .data : - { - *(.data*) - *(.sdata*) - } - _edata = .; - PROVIDE (edata = .); - - . = .; - - . = ALIGN(4); - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } - - - . = .; - __start___ex_table = .; - __ex_table : { *(__ex_table) } - __stop___ex_table = .; - - . = ALIGN(256); - __init_begin = .; - .text.init : { *(.text.init) } - .data.init : { *(.data.init) } - . = ALIGN(256); - __init_end = .; - - __bss_start = .; - .bss (NOLOAD) : - { - *(.bss*) - *(.sbss*) - *(COMMON) - . = ALIGN(4); - } - __bss_end = . ; - PROVIDE (end = .); -} diff --git a/qemu/roms/u-boot/board/v37/v37.c b/qemu/roms/u-boot/board/v37/v37.c deleted file mode 100644 index 438117e60..000000000 --- a/qemu/roms/u-boot/board/v37/v37.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Yoo. Jonghoon, IPone, yooth@ipone.co.kr - * U-Boot port on RPXlite board - * - * DRAM related UPMA register values are modified. - * See RPXLite engineering note : 50MHz/60ns - UPM RAM WORDS - */ - -#include <common.h> -#include "mpc8xx.h" - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (void); - -/* ------------------------------------------------------------------------- */ - -#define MBYTE (1024*1024) -#define DRAM_DELAY 0x00000379 /* DRAM delay count */ -#define _NOT_USED_ 0xFFFFCC25 - -const uint sdram_table[] = -{ - /* single read. (offset 0 in upm RAM) */ - 0x1F07D004, 0xEEAEE004, 0x11ADD004, 0xEFBBA000, - 0x1FF75447, 0x1FF77C34, 0xEFEABC34, 0x1FB57C35, - - /* burst read. (Offset 8 in upm RAM) */ - 0x1F07D004, 0xEEAEE004, 0x00ADC004, 0x00AFC000, - 0x00AFC000, 0x01AFC000, 0x0FBB8000, 0x1FF75447, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* single write. (Offset 0x18 in upm RAM) */ - 0x1F27D004, 0xEEAEA000, 0x01B90004, 0x1FF75447, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* burst write. (Offset 0x20 in upm RAM) */ - 0x1F07D004, 0xEEAEA000, 0x00AD4000, 0x00AFC000, - 0x00AFC000, 0x01BB8004, 0x1FF75447, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* Refresh cycle, offset 0x30 */ - 0x1FF5DC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* Exception, 0ffset 0x3C */ - 0x7FFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, -}; -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - * Return 1 for now. - * - */ - -int checkboard (void) -{ - printf("Marel V37\n") ; - return (0) ; -} - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - unsigned long temp; - volatile int delay_cnt; - long int ramsize; - - ramsize = dram_size(); - - /* Refresh clock prescalar */ - memctl->memc_mptpr = 0x400 ; - - if( ramsize == 32*MBYTE ) - temp = 0xd0904110; - else /* 16MB */ - temp = 0xd0802110; - - memctl->memc_mbmr = temp; - - upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); - - /* Map controller banks 2 to the SDRAM bank */ - memctl->memc_or2 = 0xA00 | (0 - ramsize); - memctl->memc_br2 = 0xC1; - - memctl->memc_mbmr = temp | 0x08; - memctl->memc_mcr = 0x80804130; - - delay_cnt = 0; - while( delay_cnt++ < DRAM_DELAY ) - ; - - /* Run MRS command in location 5-8 of UPMB */ - - memctl->memc_mbmr = temp | 0x04; - memctl->memc_mar = 0x88; - - memctl->memc_mcr = 0x80804105; - - delay_cnt = 0; - while( delay_cnt++ < DRAM_DELAY ) - ; - -#ifdef CONFIG_CAN_DRIVER - /* Initialize OR3 / BR3 */ - memctl->memc_or3 = CONFIG_SYS_OR3_CAN; - memctl->memc_br3 = CONFIG_SYS_BR3_CAN; - - /* Initialize MBMR */ - memctl->memc_mamr = MAMR_GPL_A4DIS; /* GPL_A4 ouput line Disable */ - - /* Initialize UPMB for CAN: single read */ - memctl->memc_mdr = 0xFFFFC004; - memctl->memc_mcr = 0x0100 | UPMA; - - memctl->memc_mdr = 0x0FFFD004; - memctl->memc_mcr = 0x0101 | UPMA; - - memctl->memc_mdr = 0x0FFFC000; - memctl->memc_mcr = 0x0102 | UPMA; - - memctl->memc_mdr = 0x3FFFC004; - memctl->memc_mcr = 0x0103 | UPMA; - - memctl->memc_mdr = 0xFFFFDC05; - memctl->memc_mcr = 0x0104 | UPMA; - - /* Initialize UPMB for CAN: single write */ - memctl->memc_mdr = 0xFFFCC004; - memctl->memc_mcr = 0x0118 | UPMA; - - memctl->memc_mdr = 0xCFFCD004; - memctl->memc_mcr = 0x0119 | UPMA; - - memctl->memc_mdr = 0x0FFCC000; - memctl->memc_mcr = 0x011A | UPMA; - - memctl->memc_mdr = 0x7FFCC004; - memctl->memc_mcr = 0x011B | UPMA; - - memctl->memc_mdr = 0xFFFDCC05; - memctl->memc_mcr = 0x011C | UPMA; -#endif /* CONFIG_CAN_DRIVER */ - - return (dram_size()); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Find size of RAM from configuration pins. - * The input pins that contain the memory size are also the debug port - * pins. Normally they are configured as debug port pins. To be able - * to read the memory configuration, we must deactivate the debug port - * and enable the pcmcia input pins. Then return the register to - * previous state. - */ - -static long int dram_size () -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile sysconf8xx_t *siu = &immap->im_siu_conf; - volatile pcmconf8xx_t *pcm = &immap->im_pcmcia; - long int i, memory=1; - unsigned long siu_mcr; - - siu_mcr = siu->sc_siumcr; - siu->sc_siumcr = siu_mcr & 0xFF9FFFFF; - for(i=0; i<10; i++) i = i; - - memory = (pcm->pcmc_pipr>>12) & 0x3; - - siu->sc_siumcr = siu_mcr; - - switch( memory ) - { - case 1: - return( 32*MBYTE ); - case 2: - return( 64*MBYTE ); - default: - break; - } - return( 16*MBYTE ); -} |