diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/sc520_cdp/Makefile | 56 | ||||
| -rw-r--r-- | board/sc520_cdp/config.mk | 25 | ||||
| -rw-r--r-- | board/sc520_cdp/flash.c | 637 | ||||
| -rw-r--r-- | board/sc520_cdp/flash_old.c | 458 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp.c | 396 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp_asm.S | 85 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp_asm16.S | 83 | ||||
| -rw-r--r-- | board/sc520_cdp/sc520_cdp_pci.c | 271 | ||||
| -rw-r--r-- | board/sc520_cdp/u-boot.lds | 91 | ||||
| -rw-r--r-- | board/sc520_spunk/Makefile | 56 | ||||
| -rw-r--r-- | board/sc520_spunk/config.mk | 25 | ||||
| -rw-r--r-- | board/sc520_spunk/flash.c | 791 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk.c | 410 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk_asm.S | 81 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk_asm16.S | 83 | ||||
| -rw-r--r-- | board/sc520_spunk/sc520_spunk_pci.c | 323 | ||||
| -rw-r--r-- | board/sc520_spunk/u-boot.lds | 92 |
17 files changed, 0 insertions, 3963 deletions
diff --git a/board/sc520_cdp/Makefile b/board/sc520_cdp/Makefile deleted file mode 100644 index 7944a01..0000000 --- a/board/sc520_cdp/Makefile +++ /dev/null @@ -1,56 +0,0 @@ -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# 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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS-y += sc520_cdp.o -COBJS-y += flash.o -COBJS-$(CONFIG_PCI) += sc520_cdp_pci.o -SOBJS-y += sc520_cdp_asm.o -SOBJS-y += sc520_cdp_asm16.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/sc520_cdp/config.mk b/board/sc520_cdp/config.mk deleted file mode 100644 index 2253815..0000000 --- a/board/sc520_cdp/config.mk +++ /dev/null @@ -1,25 +0,0 @@ -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# 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 -# - - -TEXT_BASE = 0x387c0000 diff --git a/board/sc520_cdp/flash.c b/board/sc520_cdp/flash.c deleted file mode 100644 index 64831b7..0000000 --- a/board/sc520_cdp/flash.c +++ /dev/null @@ -1,637 +0,0 @@ -/* - * (C) Copyright 2002, 2003 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.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 <asm/io.h> -#include <pci.h> -#include <asm/ic/sc520.h> - -#define PROBE_BUFFER_SIZE 1024 -static unsigned char buffer[PROBE_BUFFER_SIZE]; - -#define SC520_MAX_FLASH_BANKS 3 -#define SC520_FLASH_BANK0_BASE 0x38000000 /* BOOTCS */ -#define SC520_FLASH_BANK1_BASE 0x30000000 /* ROMCS0 */ -#define SC520_FLASH_BANK2_BASE 0x28000000 /* ROMCS1 */ -#define SC520_FLASH_BANKSIZE 0x8000000 - -#define AMD29LV016B_SIZE 0x200000 -#define AMD29LV016B_SECTORS 32 - -flash_info_t flash_info[SC520_MAX_FLASH_BANKS]; - -#define READY 1 -#define ERR 2 -#define TMO 4 - -/*----------------------------------------------------------------------- - */ - - -static u32 _probe_flash(u32 addr, u32 bw, int il) -{ - u32 result=0; - - /* First do an unlock cycle for the benefit of - * devices that need it */ - - switch (bw) { - - case 1: - *(volatile u8*)(addr+0x5555) = 0xaa; - *(volatile u8*)(addr+0x2aaa) = 0x55; - *(volatile u8*)(addr+0x5555) = 0x90; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+2); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0x5555), 0xf0; - break; - - case 2: - *(volatile u16*)(addr+0xaaaa) = 0xaaaa; - *(volatile u16*)(addr+0x5554) = 0x5555; - - /* Issue identification command */ - if (il == 2) { - *(volatile u16*)(addr+0xaaaa) = 0x9090; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+2); - - /* Return device to data mode */ - *(volatile u16*)addr = 0xffff; - *(volatile u16*)(addr+0xaaaa), 0xf0f0; - - } else { - *(volatile u8*)(addr+0xaaaa) = 0x90; - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+2); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0xaaaa), 0xf0; - } - - break; - - case 4: - *(volatile u32*)(addr+0x5554) = 0xaaaaaaaa; - *(volatile u32*)(addr+0xaaa8) = 0x55555555; - - switch (il) { - case 1: - /* Issue identification command */ - *(volatile u8*)(addr+0x5554) = 0x90; - - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+4); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0x5554), 0xf0; - break; - - case 2: - /* Issue identification command */ - *(volatile u32*)(addr + 0x5554) = 0x00900090; - - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+4); - - /* Return device to data mode */ - *(volatile u32*)addr = 0x00ff00ff; - *(volatile u32*)(addr+0x5554), 0x00f000f0; - break; - - case 4: - /* Issue identification command */ - *(volatile u32*)(addr+0x5554) = 0x90909090; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+4); - - /* Return device to data mode */ - *(volatile u32*)addr = 0xffffffff; - *(volatile u32*)(addr+0x5554), 0xf0f0f0f0; - break; - } - break; - } - - - return result; -} - -extern int _probe_flash_end; -asm ("_probe_flash_end:\n" - ".long 0\n"); - -static int identify_flash(unsigned address, int width) -{ - int is; - int device; - int vendor; - int size; - unsigned res; - - u32 (*_probe_flash_ptr)(u32 a, u32 bw, int il); - - size = (unsigned)&_probe_flash_end - (unsigned)_probe_flash; - - if (size > PROBE_BUFFER_SIZE) { - printf("_probe_flash() routine too large (%d) %p - %p\n", - size, &_probe_flash_end, _probe_flash); - return 0; - } - - memcpy(buffer, _probe_flash, size); - _probe_flash_ptr = (void*)buffer; - - is = disable_interrupts(); - res = _probe_flash_ptr(address, width, 1); - if (is) { - enable_interrupts(); - } - - - vendor = res >> 16; - device = res & 0xffff; - - - return res; -} - -ulong flash_init(void) -{ - int i, j; - ulong size = 0; - - for (i = 0; i < SC520_MAX_FLASH_BANKS; i++) { - unsigned id; - ulong flashbase = 0; - int sectsize = 0; - - memset(flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - switch (i) { - case 0: - flashbase = SC520_FLASH_BANK0_BASE; - break; - case 1: - flashbase = SC520_FLASH_BANK1_BASE; - break; - case 2: - flashbase = SC520_FLASH_BANK2_BASE; - break; - default: - panic("configured too many flash banks!\n"); - } - - id = identify_flash(flashbase, 4); - switch (id & 0x00ff00ff) { - case 0x000100c8: - /* 29LV016B/29LV017B */ - flash_info[i].flash_id = - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV016B & FLASH_TYPEMASK); - - flash_info[i].size = AMD29LV016B_SIZE*4; - flash_info[i].sector_count = AMD29LV016B_SECTORS; - sectsize = (AMD29LV016B_SIZE*4)/AMD29LV016B_SECTORS; - printf("Bank %d: 4 x AMD 29LV017B\n", i); - break; - - - default: - printf("Bank %d have unknown flash %08x\n", i, id); - flash_info[i].flash_id = FLASH_UNKNOWN; - continue; - } - - for (j = 0; j < flash_info[i].sector_count; j++) { - flash_info[i].start[j] = flashbase + j * sectsize; - } - size += flash_info[i].size; - - flash_protect(FLAG_PROTECT_CLEAR, - flash_info[i].start[0], - flash_info[i].start[0] + flash_info[i].size - 1, - &flash_info[i]); - } - - /* - * Protect monitor and environment sectors - */ - flash_protect(FLAG_PROTECT_SET, - i386boot_start, - i386boot_end, - &flash_info[0]); -#ifdef CONFIG_ENV_ADDR - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, - &flash_info[0]); -#endif - return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info(flash_info_t *info) -{ - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - - case (AMD_MANUFACT & FLASH_VENDMASK): - printf("AMD: "); - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV016B & FLASH_TYPEMASK): - printf("4x AMD29LV017B (4x16Mbit)\n"); - break; - default: - printf("Unknown Chip Type\n"); - goto done; - break; - } - - break; - default: - printf("Unknown Vendor "); - 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"); - -done: ; -} - -/*----------------------------------------------------------------------- - */ - -/* this needs to be inlined, the SWTMRMMILLI register is reset by each read */ -#define __udelay(delay) \ -{ \ - unsigned micro; \ - unsigned milli=0; \ - \ - micro = sc520_mmcr->swtmrmilli; \ - \ - for (;;) { \ - \ - milli += sc520_mmcr->swtmrmilli; \ - micro = sc520_mmcr->swtmrmicro; \ - \ - if ((delay) <= (micro + (milli * 1000))) { \ - break; \ - } \ - } \ -} while (0) - -static u32 _amd_erase_flash(u32 addr, u32 sector) -{ - unsigned elapsed; - - /* Issue erase */ - *(volatile u32*)(addr + 0x5554) = 0xAAAAAAAA; - *(volatile u32*)(addr + 0xaaa8) = 0x55555555; - *(volatile u32*)(addr + 0x5554) = 0x80808080; - /* And one unlock */ - *(volatile u32*)(addr + 0x5554) = 0xAAAAAAAA; - *(volatile u32*)(addr + 0xaaa8) = 0x55555555; - /* Sector erase command comes last */ - *(volatile u32*)(addr + sector) = 0x30303030; - - elapsed = sc520_mmcr->swtmrmilli; /* dummy read */ - elapsed = 0; - __udelay(50); - while (((*(volatile u32*)(addr + sector)) & 0x80808080) != 0x80808080) { - - elapsed += sc520_mmcr->swtmrmilli; - if (elapsed > ((CONFIG_SYS_FLASH_ERASE_TOUT/CONFIG_SYS_HZ) * 1000)) { - *(volatile u32*)(addr) = 0xf0f0f0f0; - return 1; - } - } - - *(volatile u32*)(addr) = 0xf0f0f0f0; - - return 0; -} - -extern int _amd_erase_flash_end; -asm ("_amd_erase_flash_end:\n" - ".long 0\n"); - -int flash_erase(flash_info_t *info, int s_first, int s_last) -{ - u32 (*_erase_flash_ptr)(u32 a, u32 so); - int prot; - int sect; - unsigned size; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf("- missing\n"); - } else { - printf("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id & FLASH_VENDMASK) == (AMD_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_amd_erase_flash_end - (unsigned)_amd_erase_flash; - - if (size > PROBE_BUFFER_SIZE) { - printf("_amd_erase_flash() routine too large (%d) %p - %p\n", - size, &_amd_erase_flash_end, _amd_erase_flash); - return 0; - } - - memcpy(buffer, _amd_erase_flash, size); - _erase_flash_ptr = (void*)buffer; - - } else { - 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"); - } - - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - - if (info->protect[sect] == 0) { /* not protected */ - int res; - int flag; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - res = _erase_flash_ptr(info->start[0], info->start[sect]-info->start[0]); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - - - if (res) { - printf("Erase timed out, sector %d\n", sect); - return res; - } - - putc('.'); - } - } - - - return 0; -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int _amd_write_word(unsigned start, unsigned dest, unsigned data) -{ - volatile u32 *addr2 = (u32*)start; - volatile u32 *dest2 = (u32*)dest; - volatile u32 *data2 = (u32*)&data; - unsigned elapsed; - - /* Check if Flash is (sufficiently) erased */ - if ((*((volatile u32*)dest) & (u32)data) != (u32)data) { - return 2; - } - - addr2[0x5554] = 0xAAAAAAAA; - addr2[0xaaa8] = 0x55555555; - addr2[0x5554] = 0xA0A0A0A0; - - dest2[0] = data; - - elapsed = sc520_mmcr->swtmrmilli; /* dummy read */ - elapsed = 0; - - /* data polling for D7 */ - while ((dest2[0] & 0x80808080) != (data2[0] & 0x80808080)) { - elapsed += sc520_mmcr->swtmrmilli; - if (elapsed > ((CONFIG_SYS_FLASH_WRITE_TOUT/CONFIG_SYS_HZ) * 1000)) { - addr2[0] = 0xf0f0f0f0; - return 1; - } - } - - - addr2[0] = 0xf0f0f0f0; - - return 0; -} - -extern int _amd_write_word_end; -asm ("_amd_write_word_end:\n" - ".long 0\n"); - - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 3 - Unsupported flash type - */ - -int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - int flag; - u32 (*_write_word_ptr)(unsigned start, unsigned dest, unsigned data); - unsigned size; - - if ((info->flash_id & FLASH_VENDMASK) == (AMD_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_amd_write_word_end - (unsigned)_amd_write_word; - - if (size > PROBE_BUFFER_SIZE) { - printf("_amd_write_word() routine too large (%d) %p - %p\n", - size, &_amd_write_word_end, _amd_write_word); - return 0; - } - - memcpy(buffer, _amd_write_word, size); - _write_word_ptr = (void*)buffer; - - } else { - printf ("Can't program unknown flash type - aborted\n"); - return 3; - } - - - 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 |= (*(uchar *)cp) << (8*i); - } - for (; i<4 && cnt>0; ++i) { - data |= *src++ << (8*i); - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data |= (*(uchar *)cp) << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - if (rc != 0) { - return rc; - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - - for (i=0; i<4; ++i) { - data |= *src++ << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - if (rc != 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 |= *src++ << (8*i); - --cnt; - } - - for (; i<4; ++i, ++cp) { - data |= (*(uchar *)cp) << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - - return rc; - -} diff --git a/board/sc520_cdp/flash_old.c b/board/sc520_cdp/flash_old.c deleted file mode 100644 index 9491ca2..0000000 --- a/board/sc520_cdp/flash_old.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.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 <asm/io.h> - -ulong myflush(void); - - -#define SC520_MAX_FLASH_BANKS 3 -#define SC520_FLASH_BANK0_BASE 0x38000000 /* BOOTCS */ -#define SC520_FLASH_BANK1_BASE 0x30000000 /* ROMCS0 */ -#define SC520_FLASH_BANK2_BASE 0x28000000 /* ROMCS1 */ -#define SC520_FLASH_BANKSIZE 0x8000000 - -#define AMD29LV016_SIZE 0x200000 -#define AMD29LV016_SECTORS 32 - -flash_info_t flash_info[SC520_MAX_FLASH_BANKS]; - -#define CMD_READ_ARRAY 0x00F000F0 -#define CMD_UNLOCK1 0x00AA00AA -#define CMD_UNLOCK2 0x00550055 -#define CMD_ERASE_SETUP 0x00800080 -#define CMD_ERASE_CONFIRM 0x00300030 -#define CMD_PROGRAM 0x00A000A0 -#define CMD_UNLOCK_BYPASS 0x00200020 - - -#define BIT_ERASE_DONE 0x00800080 -#define BIT_RDY_MASK 0x00800080 -#define BIT_PROGRAM_ERROR 0x00200020 -#define BIT_TIMEOUT 0x80000000 /* our flag */ - -#define READY 1 -#define ERR 2 -#define TMO 4 - -/*----------------------------------------------------------------------- - */ - -ulong flash_init(void) -{ - int i, j; - ulong size = 0; - - for (i = 0; i < SC520_MAX_FLASH_BANKS; i++) { - ulong flashbase = 0; - int sectsize = 0; - if (i==0 || i==2) { - /* FixMe: this assumes that bank 0 and 2 - * are mapped to the two 8Mb banks */ - flash_info[i].flash_id = - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV016B & FLASH_TYPEMASK); - - flash_info[i].size = AMD29LV016_SIZE*4; - flash_info[i].sector_count = AMD29LV016_SECTORS; - sectsize = (AMD29LV016_SIZE*4)/AMD29LV016_SECTORS; - } else { - /* FixMe: this assumes that bank1 is unmapped - * (or mapped to the same flash bank as BOOTCS) */ - flash_info[i].flash_id = 0; - flash_info[i].size = 0; - flash_info[i].sector_count = 0; - sectsize=0; - } - memset(flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - switch (i) { - case 0: - flashbase = SC520_FLASH_BANK0_BASE; - break; - case 1: - flashbase = SC520_FLASH_BANK1_BASE; - break; - case 2: - flashbase = SC520_FLASH_BANK0_BASE; - break; - default: - panic("configured too many flash banks!\n"); - } - - for (j = 0; j < flash_info[i].sector_count; j++) { - flash_info[i].start[j] = sectsize; - flash_info[i].start[j] = flashbase + j * sectsize; - } - size += flash_info[i].size; - } - - /* - * Protect monitor and environment sectors - */ - flash_protect(FLAG_PROTECT_SET, - i386boot_start-SC520_FLASH_BANK0_BASE, - i386boot_end-SC520_FLASH_BANK0_BASE, - &flash_info[0]); - -#ifdef CONFIG_ENV_ADDR - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, - &flash_info[0]); -#endif - return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info(flash_info_t *info) -{ - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - case (AMD_MANUFACT & FLASH_VENDMASK): - printf("AMD: "); - break; - default: - printf("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV016B & FLASH_TYPEMASK): - printf("4x Amd29LV016B (16Mbit)\n"); - break; - default: - printf("Unknown Chip Type\n"); - goto done; - 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"); - - done: -} - -/*----------------------------------------------------------------------- - */ - -int flash_erase(flash_info_t *info, int s_first, int s_last) -{ - ulong result; - int iflag, prot, sect; - int rc = ERR_OK; - int chip1, chip2; - - /* first look for protection bits */ - - if (info->flash_id == FLASH_UNKNOWN) { - return ERR_UNKNOWN_FLASH_TYPE; - } - - if ((s_first < 0) || (s_first > s_last)) { - return ERR_INVAL; - } - - if ((info->flash_id & FLASH_VENDMASK) != - (AMD_MANUFACT & FLASH_VENDMASK)) { - return ERR_UNKNOWN_FLASH_VENDOR; - } - - prot = 0; - for (sect=s_first; sect<=s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - if (prot) { - return ERR_PROTECTED; - } - - /* - * Disable interrupts which might cause a timeout - * here. Remember that our exception vectors are - * at address 0 in the flash, and we don't want a - * (ticker) exception to happen while the flash - * chip is in programming mode. - */ - iflag = disable_interrupts(); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last && !ctrlc(); sect++) { - printf("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - reset_timer(); - - if (info->protect[sect] == 0) { - /* not protected */ - ulong addr = info->start[sect]; - - writel(CMD_UNLOCK1, addr + 1); - writel(CMD_UNLOCK2, addr + 2); - writel(CMD_ERASE_SETUP, addr + 1); - - writel(CMD_UNLOCK1, addr + 1); - writel(CMD_UNLOCK2, addr + 2); - writel(CMD_ERASE_CONFIRM, addr); - - - /* wait until flash is ready */ - chip1 = chip2 = 0; - - do { - result = readl(addr); - - /* check timeout */ - if (get_timer(0) > CONFIG_SYS_FLASH_ERASE_TOUT) { - writel(CMD_READ_ARRAY, addr + 1); - chip1 = TMO; - break; - } - - if (!chip1 && (result & 0xFFFF) & BIT_ERASE_DONE) { - chip1 = READY; - } - - if (!chip1 && (result & 0xFFFF) & BIT_PROGRAM_ERROR) { - chip1 = ERR; - } - - if (!chip2 && (result >> 16) & BIT_ERASE_DONE) { - chip2 = READY; - } - - if (!chip2 && (result >> 16) & BIT_PROGRAM_ERROR) { - chip2 = ERR; - } - - } while (!chip1 || !chip2); - - writel(CMD_READ_ARRAY, addr + 1); - - if (chip1 == ERR || chip2 == ERR) { - rc = ERR_PROG_ERROR; - goto outahere; - } - - if (chip1 == TMO) { - rc = ERR_TIMOUT; - goto outahere; - } - - printf("ok.\n"); - } else { /* it was protected */ - - printf("protected!\n"); - } - } - - if (ctrlc()) { - printf("User Interrupt!\n"); - } - -outahere: - /* allow flash to settle - wait 10 ms */ - udelay(10000); - - if (iflag) { - enable_interrupts(); - } - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash - */ - -volatile static int write_word(flash_info_t *info, ulong dest, ulong data) -{ - ulong addr = dest; - ulong result; - int rc = ERR_OK; - int iflag; - int chip1, chip2; - - /* - * Check if Flash is (sufficiently) erased - */ - result = readl(addr); - if ((result & data) != data) { - return ERR_NOT_ERASED; - } - - /* - * Disable interrupts which might cause a timeout - * here. Remember that our exception vectors are - * at address 0 in the flash, and we don't want a - * (ticker) exception to happen while the flash - * chip is in programming mode. - */ - iflag = disable_interrupts(); - - writel(CMD_UNLOCK1, addr + 1); - writel(CMD_UNLOCK2, addr + 2); - writel(CMD_UNLOCK_BYPASS, addr + 1); - writel(addr, CMD_PROGRAM); - writel(addr, data); - - /* arm simple, non interrupt dependent timer */ - reset_timer(); - - /* wait until flash is ready */ - chip1 = chip2 = 0; - do { - result = readl(addr); - - /* check timeout */ - if (get_timer(0) > CONFIG_SYS_FLASH_ERASE_TOUT) { - chip1 = ERR | TMO; - break; - } - - if (!chip1 && ((result & 0x80) == (data & 0x80))) { - chip1 = READY; - } - - if (!chip1 && ((result & 0xFFFF) & BIT_PROGRAM_ERROR)) { - result = readl(addr); - - if ((result & 0x80) == (data & 0x80)) { - chip1 = READY; - } else { - chip1 = ERR; - } - } - - if (!chip2 && ((result & (0x80 << 16)) == (data & (0x80 << 16)))) { - chip2 = READY; - } - - if (!chip2 && ((result >> 16) & BIT_PROGRAM_ERROR)) { - result = readl(addr); - - if ((result & (0x80 << 16)) == (data & (0x80 << 16))) { - chip2 = READY; - } else { - chip2 = ERR; - } - } - - } while (!chip1 || !chip2); - - writel(CMD_READ_ARRAY, addr); - - if (chip1 == ERR || chip2 == ERR || readl(addr) != data) { - rc = ERR_PROG_ERROR; - } - - if (iflag) { - enable_interrupts(); - } - - return rc; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash. - */ - -int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int l; - int i, 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 << 24); - } - for (; i<4 && cnt>0; ++i) { - data = (data >> 8) | (*src++ << 24); - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data = (data >> 8) | (*(uchar *)cp << 24); - } - - if ((rc = write_word(info, wp, data)) != 0) { - return rc; - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = *((vu_long*)src); - if ((rc = write_word(info, wp, data)) != 0) { - return rc; - } - src += 4; - wp += 4; - cnt -= 4; - } - - if (cnt == 0) { - return ERR_OK; - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { - data = (data >> 8) | (*src++ << 24); - --cnt; - } - for (; i<4; ++i, ++cp) { - data = (data >> 8) | (*(uchar *)cp << 24); - } - - return write_word(info, wp, data); -} diff --git a/board/sc520_cdp/sc520_cdp.c b/board/sc520_cdp/sc520_cdp.c deleted file mode 100644 index 4c44b24..0000000 --- a/board/sc520_cdp/sc520_cdp.c +++ /dev/null @@ -1,396 +0,0 @@ -/* - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 <asm/io.h> -#include <asm/ic/sc520.h> -#include <ali512x.h> -#include <spi.h> -#include <netdev.h> - -DECLARE_GLOBAL_DATA_PTR; - -#undef SC520_CDP_DEBUG - -#ifdef SC520_CDP_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - -/* ------------------------------------------------------------------------- */ - - -/* - * Theory: - * We first set up all IRQs to be non-pci, edge triggered, - * when we later enumerate the pci bus and pci_sc520_fixup_irq() gets - * called we reallocate irqs to the pci bus with sc520_pci_set_irq() - * as needed. Whe choose the irqs to gram from a configurable list - * inside pci_sc520_fixup_irq() (If this list contains stupid irq's - * such as 0 thngas will not work) - */ - -static void irq_init(void) -{ - /* disable global interrupt mode */ - sc520_mmcr->picicr = 0x40; - - /* set all irqs to edge */ - sc520_mmcr->pic_mode[0] = 0x00; - sc520_mmcr->pic_mode[1] = 0x00; - sc520_mmcr->pic_mode[2] = 0x00; - - /* active low polarity on PIC interrupt pins, - * active high polarity on all other irq pins */ - sc520_mmcr->intpinpol = 0x0000; - - /* set irq number mapping */ - sc520_mmcr->gp_tmr_int_map[0] = SC520_IRQ_DISABLED; /* disable GP timer 0 INT */ - sc520_mmcr->gp_tmr_int_map[1] = SC520_IRQ_DISABLED; /* disable GP timer 1 INT */ - sc520_mmcr->gp_tmr_int_map[2] = SC520_IRQ_DISABLED; /* disable GP timer 2 INT */ - sc520_mmcr->pit_int_map[0] = SC520_IRQ0; /* Set PIT timer 0 INT to IRQ0 */ - sc520_mmcr->pit_int_map[1] = SC520_IRQ_DISABLED; /* disable PIT timer 1 INT */ - sc520_mmcr->pit_int_map[2] = SC520_IRQ_DISABLED; /* disable PIT timer 2 INT */ - sc520_mmcr->pci_int_map[0] = SC520_IRQ_DISABLED; /* disable PCI INT A */ - sc520_mmcr->pci_int_map[1] = SC520_IRQ_DISABLED; /* disable PCI INT B */ - sc520_mmcr->pci_int_map[2] = SC520_IRQ_DISABLED; /* disable PCI INT C */ - sc520_mmcr->pci_int_map[3] = SC520_IRQ_DISABLED; /* disable PCI INT D */ - sc520_mmcr->dmabcintmap = SC520_IRQ_DISABLED; /* disable DMA INT */ - sc520_mmcr->ssimap = SC520_IRQ_DISABLED; /* disable Synchronius serial INT */ - sc520_mmcr->wdtmap = SC520_IRQ_DISABLED; /* disable Watchdog INT */ - sc520_mmcr->rtcmap = SC520_IRQ8; /* Set RTC int to 8 */ - sc520_mmcr->wpvmap = SC520_IRQ_DISABLED; /* disable write protect INT */ - sc520_mmcr->icemap = SC520_IRQ1; /* Set ICE Debug Serielport INT to IRQ1 */ - sc520_mmcr->ferrmap = SC520_IRQ13; /* Set FP error INT to IRQ13 */ - - if (CONFIG_SYS_USE_SIO_UART) { - sc520_mmcr->uart_int_map[0] = SC520_IRQ_DISABLED; /* disable internal UART1 INT */ - sc520_mmcr->uart_int_map[1] = SC520_IRQ_DISABLED; /* disable internal UART2 INT */ - sc520_mmcr->gp_int_map[3] = SC520_IRQ3; /* Set GPIRQ3 (ISA IRQ3) to IRQ3 */ - sc520_mmcr->gp_int_map[4] = SC520_IRQ4; /* Set GPIRQ4 (ISA IRQ4) to IRQ4 */ - } else { - sc520_mmcr->uart_int_map[0] = SC520_IRQ4; /* Set internal UART2 INT to IRQ4 */ - sc520_mmcr->uart_int_map[1] = SC520_IRQ3; /* Set internal UART2 INT to IRQ3 */ - sc520_mmcr->gp_int_map[3] = SC520_IRQ_DISABLED; /* disable GPIRQ3 (ISA IRQ3) */ - sc520_mmcr->gp_int_map[4] = SC520_IRQ_DISABLED; /* disable GPIRQ4 (ISA IRQ4) */ - } - - sc520_mmcr->gp_int_map[1] = SC520_IRQ1; /* Set GPIRQ1 (SIO IRQ1) to IRQ1 */ - sc520_mmcr->gp_int_map[5] = SC520_IRQ5; /* Set GPIRQ5 (ISA IRQ5) to IRQ5 */ - sc520_mmcr->gp_int_map[6] = SC520_IRQ6; /* Set GPIRQ6 (ISA IRQ6) to IRQ6 */ - sc520_mmcr->gp_int_map[7] = SC520_IRQ7; /* Set GPIRQ7 (ISA IRQ7) to IRQ7 */ - sc520_mmcr->gp_int_map[8] = SC520_IRQ8; /* Set GPIRQ8 (SIO IRQ8) to IRQ8 */ - sc520_mmcr->gp_int_map[9] = SC520_IRQ9; /* Set GPIRQ9 (ISA IRQ2) to IRQ9 */ - sc520_mmcr->gp_int_map[0] = SC520_IRQ11; /* Set GPIRQ0 (ISA IRQ11) to IRQ10 */ - sc520_mmcr->gp_int_map[2] = SC520_IRQ12; /* Set GPIRQ2 (ISA IRQ12) to IRQ12 */ - sc520_mmcr->gp_int_map[10] = SC520_IRQ14; /* Set GPIRQ10 (ISA IRQ14) to IRQ14 */ - - sc520_mmcr->pcihostmap = 0x11f; /* Map PCI hostbridge INT to NMI */ - sc520_mmcr->eccmap = 0x100; /* Map SDRAM ECC failure INT to NMI */ -} - -static void silence_uart(int port) -{ - outb(0, port+1); -} - -void setup_ali_sio(int uart_primary) -{ - ali512x_init(); - - ali512x_set_fdc(ALI_ENABLED, 0x3f2, 6, 0); - ali512x_set_pp(ALI_ENABLED, 0x278, 7, 3); - ali512x_set_uart(ALI_ENABLED, ALI_UART1, uart_primary?0x3f8:0x3e8, 4); - ali512x_set_uart(ALI_ENABLED, ALI_UART2, uart_primary?0x2f8:0x2e8, 3); - ali512x_set_rtc(ALI_DISABLED, 0, 0); - ali512x_set_kbc(ALI_ENABLED, 1, 12); - ali512x_set_cio(ALI_ENABLED); - - /* IrDa pins */ - ali512x_cio_function(12, 1, 0, 0); - ali512x_cio_function(13, 1, 0, 0); - - /* SSI chip select pins */ - ali512x_cio_function(14, 0, 0, 0); /* SSI_CS */ - ali512x_cio_function(15, 0, 0, 0); /* SSI_MV */ - ali512x_cio_function(16, 0, 0, 0); /* SSI_SPI# */ - - /* Board REV pins */ - ali512x_cio_function(20, 0, 0, 1); - ali512x_cio_function(21, 0, 0, 1); - ali512x_cio_function(22, 0, 0, 1); - ali512x_cio_function(23, 0, 0, 1); -} - - -/* set up the ISA bus timing and system address mappings */ -static void bus_init(void) -{ - - /* set up the GP IO pins */ - sc520_mmcr->piopfs31_16 = 0xf7ff; /* set the GPIO pin function 31-16 reg */ - sc520_mmcr->piopfs15_0 = 0xffff; /* set the GPIO pin function 15-0 reg */ - sc520_mmcr->cspfs = 0xf8; /* set the CS pin function reg */ - sc520_mmcr->clksel = 0x70; - - sc520_mmcr->gpcsrt = 1; /* set the GP CS offset */ - sc520_mmcr->gpcspw = 3; /* set the GP CS pulse width */ - sc520_mmcr->gpcsoff = 1; /* set the GP CS offset */ - sc520_mmcr->gprdw = 3; /* set the RD pulse width */ - sc520_mmcr->gprdoff = 1; /* set the GP RD offset */ - sc520_mmcr->gpwrw = 3; /* set the GP WR pulse width */ - sc520_mmcr->gpwroff = 1; /* set the GP WR offset */ - - sc520_mmcr->bootcsctl = 0x1823; /* set up timing of BOOTCS */ - sc520_mmcr->romcs1ctl = 0x1823; /* set up timing of ROMCS1 */ - sc520_mmcr->romcs2ctl = 0x1823; /* set up timing of ROMCS2 */ - - /* adjust the memory map: - * by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM - * and 256MB to 1G-128k (0x1000000 - 0x37ffffff) is mapped to PCI mmio - * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */ - - - /* SRAM = GPCS3 128k @ d0000-effff*/ - sc520_mmcr->par[2] = 0x4e00400d; - - /* IDE0 = GPCS6 1f0-1f7 */ - sc520_mmcr->par[3] = 0x380801f0; - - /* IDE1 = GPCS7 3f6 */ - sc520_mmcr->par[4] = 0x3c0003f6; - /* bootcs */ - sc520_mmcr->par[12] = 0x8bffe800; - /* romcs2 */ - sc520_mmcr->par[13] = 0xcbfff000; - /* romcs1 */ - sc520_mmcr->par[14] = 0xabfff800; - /* 680 LEDS */ - sc520_mmcr->par[15] = 0x30000640; - - sc520_mmcr->adddecctl = 0; - - asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */ - - if (CONFIG_SYS_USE_SIO_UART) { - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | UART2_DIS | UART1_DIS; - setup_ali_sio(1); - } else { - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl & ~(UART2_DIS|UART1_DIS); - setup_ali_sio(0); - silence_uart(0x3e8); - silence_uart(0x2e8); - } - -} - -/* GPCS usage - * GPCS0 PIO27 (NMI) - * GPCS1 ROMCS1 - * GPCS2 ROMCS2 - * GPCS3 SRAMCS PAR2 - * GPCS4 unused PAR3 - * GPCS5 unused PAR4 - * GPCS6 IDE - * GPCS7 IDE - */ - - -/* par usage: - * PAR0 legacy_video - * PAR1 PCI ROM mapping - * PAR2 SRAM - * PAR3 IDE - * PAR4 IDE - * PAR5 legacy_video - * PAR6 legacy_video - * PAR7 legacy_video - * PAR8 legacy_video - * PAR9 legacy_video - * PAR10 legacy_video - * PAR11 ISAROM - * PAR12 BOOTCS - * PAR13 ROMCS1 - * PAR14 ROMCS2 - * PAR15 Port 0x680 LED display - */ - -/* - * Miscelaneous platform dependent initialisations - */ - -int board_init(void) -{ - init_sc520(); - bus_init(); - irq_init(); - - /* max drive current on SDRAM */ - sc520_mmcr->dsctl = 0x0100; - - /* enter debug mode after next reset (only if jumper is also set) */ - sc520_mmcr->rescfg = 0x08; - /* configure the software timer to 33.333MHz */ - sc520_mmcr->swtmrcfg = 0; - gd->bus_clk = 33333000; - - return 0; -} - -int dram_init(void) -{ - init_sc520_dram(); - return 0; -} - -void show_boot_progress(int val) -{ - if (val < -32) val = -1; /* let things compatible */ - outb(val&0xff, 0x80); - outb((val&0xff00)>>8, 0x680); -} - - -int last_stage_init(void) -{ - int minor; - int major; - - major = minor = 0; - major |= ali512x_cio_in(23)?2:0; - major |= ali512x_cio_in(22)?1:0; - minor |= ali512x_cio_in(21)?2:0; - minor |= ali512x_cio_in(20)?1:0; - - printf("AMD SC520 CDP revision %d.%d\n", major, minor); - - return 0; -} - - -void ssi_chip_select(int dev) -{ - - /* Spunk board: SPI EEPROM is active-low, MW EEPROM and AUX are active high */ - switch (dev) { - case 1: /* SPI EEPROM */ - ali512x_cio_out(16, 0); - break; - - case 2: /* MW EEPROM */ - ali512x_cio_out(15, 1); - break; - - case 3: /* AUX */ - ali512x_cio_out(14, 1); - break; - - case 0: - ali512x_cio_out(16, 1); - ali512x_cio_out(15, 0); - ali512x_cio_out(14, 0); - break; - - default: - printf("Illegal SSI device requested: %d\n", dev); - } -} - -void spi_eeprom_probe(int x) -{ -} - -int spi_eeprom_read(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -int spi_eeprom_write(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -void spi_init_f(void) -{ -#ifdef CONFIG_SYS_SC520_CDP_USE_SPI - spi_eeprom_probe(1); -#endif -#ifdef CONFIG_SYS_SC520_CDP_USE_MW - mw_eeprom_probe(2); -#endif -} - -ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len) -{ - int offset; - int i; - ssize_t res; - - offset = 0; - for (i=0;i<alen;i++) { - offset <<= 8; - offset |= addr[i]; - } - -#ifdef CONFIG_SYS_SC520_CDP_USE_SPI - res = spi_eeprom_read(1, offset, buffer, len); -#endif -#ifdef CONFIG_SYS_SC520_CDP_USE_MW - res = mw_eeprom_read(2, offset, buffer, len); -#endif -#if !defined(CONFIG_SYS_SC520_CDP_USE_SPI) && !defined(CONFIG_SYS_SC520_CDP_USE_MW) - res = 0; -#endif - return res; -} - -ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int len) -{ - int offset; - int i; - ssize_t res; - - offset = 0; - for (i=0;i<alen;i++) { - offset <<= 8; - offset |= addr[i]; - } - -#ifdef CONFIG_SYS_SC520_CDP_USE_SPI - res = spi_eeprom_write(1, offset, buffer, len); -#endif -#ifdef CONFIG_SYS_SC520_CDP_USE_MW - res = mw_eeprom_write(2, offset, buffer, len); -#endif -#if !defined(CONFIG_SYS_SC520_CDP_USE_SPI) && !defined(CONFIG_SYS_SC520_CDP_USE_MW) - res = 0; -#endif - return res; -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} diff --git a/board/sc520_cdp/sc520_cdp_asm.S b/board/sc520_cdp/sc520_cdp_asm.S deleted file mode 100644 index 3a8a03f..0000000 --- a/board/sc520_cdp/sc520_cdp_asm.S +++ /dev/null @@ -1,85 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 - */ - -/* now setup the General purpose bus to give us access to the LEDs. - * We can then use the leds to display status information. - */ - -sc520_cdp_registers: -/* size offset value */ -.word 1 ; .word 0x040 ; .long 0x00 /* SDRAM buffer control */ -.word 2 ; .word 0xc08 ; .long 0x0001 /* GP CS offset */ -.word 2 ; .word 0xc09 ; .long 0x0003 /* GP CS width */ -.word 2 ; .word 0xc0a ; .long 0x0001 /* GP CS width */ -.word 2 ; .word 0xc0b ; .long 0x0003 /* GP RD pulse width */ -.word 2 ; .word 0xc0c ; .long 0x0001 /* GP RD offse */ -.word 2 ; .word 0xc0d ; .long 0x0003 /* GP WR pulse width */ -.word 2 ; .word 0xc0e ; .long 0x0001 /* GP WR offset */ -.word 2 ; .word 0xc2c ; .long 0x0000 /* GPIO directionreg */ -.word 2 ; .word 0xc2a ; .long 0x0000 /* GPIO directionreg */ -.word 2 ; .word 0xc22 ; .long 0xffff /* GPIO pin function 31-16 reg */ -.word 2 ; .word 0xc20 ; .long 0xffff /* GPIO pin function 15-0 reg */ -.word 2 ; .word 0x0c4 ; .long 0x28000680 /* PAR 15 for access to led 680 */ -.word 0 ; .word 0x000 ; .long 0x00 - -/* board early intialization */ -.globl early_board_init -early_board_init: - movl $sc520_cdp_registers,%esi -init_loop: - movl $0xfffef000,%edi /* MMCR base to edi */ - movw (%esi), %bx /* load sizer to bx */ - cmpw $0, %bx /* if sie is 0 we're done */ - je done - xorl %edx,%edx - movw 2(%esi), %dx /* load MMCR offset to dx */ - addl %edx, %edi /* add offset to base in edi */ - movl 4(%esi), %eax /* load value in eax */ - cmpw $1, %bx - je byte /* byte op? */ - cmpw $2, %bx - je word /* word op? */ - movl %eax, (%edi) /* must be long, then */ - jmp next -byte: movb %al,(%edi) - jmp next -word: movw %ax,(%edi) -next: addl $8, %esi /* advance esi */ - jmp init_loop - - /* the leds ad 0x80 and 0x680 should now work */ -done: movb $0x88, %al - out %al, $0x80 - movw $0x680, %dx - out %al, %dx - - jmp *%ebp /* return to caller */ - - -.globl show_boot_progress_asm -show_boot_progress_asm: - out %al, $0x80 - xchg %al, %ah - movw $0x680, %dx - out %al, %dx - jmp *%ebp diff --git a/board/sc520_cdp/sc520_cdp_asm16.S b/board/sc520_cdp/sc520_cdp_asm16.S deleted file mode 100644 index a3e700a..0000000 --- a/board/sc520_cdp/sc520_cdp_asm16.S +++ /dev/null @@ -1,83 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 - */ - -/* - * 16bit initialization code. - * This code have to map the area of the boot flash - * that is used by U-boot to its final destination. - */ - -.text -.section .start16, "ax" -.code16 -.globl board_init16 -board_init16: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* Map the entire flash at 0x38000000 - * (with BOOTCS and PAR14, use 0xabfff800 for ROMCS1) */ - movl $0xc0, %edi - movl $0x8bfff800, %eax - movl %eax, (%di) - - /* Disable SDRAM write buffer */ - movw $0x40,%di - xorw %ax,%ax - movb %al, (%di) - - /* Disabe MMCR alias */ - movw $0xfffc, %dx - movl $0x000000cb, %eax - outl %eax, %dx - - /* the return address is tored in bp */ - jmp *%bp - - -.section .bios, "ax" -.code16 -.globl realmode_reset -realmode_reset: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* issue software reset thorugh MMCR */ - movl $0xd72, %edi - movb $0x01, %al - movb %al, (%di) - -1: hlt - jmp 1 diff --git a/board/sc520_cdp/sc520_cdp_pci.c b/board/sc520_cdp/sc520_cdp_pci.c deleted file mode 100644 index ccb7988..0000000 --- a/board/sc520_cdp/sc520_cdp_pci.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 <pci.h> -#include <asm/io.h> -#include <asm/pci.h> -#include <asm/ic/sc520.h> -#include <asm/ic/pci.h> - -DECLARE_GLOBAL_DATA_PTR; - -#undef SC520_CDP_DEBUG - -#ifdef SC520_CDP_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - -static void pci_sc520_cdp_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ - /* a configurable lists of irqs to steal - * when we need one (a board with more pci interrupt pins - * would use a larger table */ - static int irq_list[] = { - CONFIG_SYS_FIRST_PCI_IRQ, - CONFIG_SYS_SECOND_PCI_IRQ, - CONFIG_SYS_THIRD_PCI_IRQ, - CONFIG_SYS_FORTH_PCI_IRQ - }; - static int next_irq_index=0; - - uchar tmp_pin; - int pin; - - pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); - pin = tmp_pin; - - pin-=1; /* pci config space use 1-based numbering */ - if (-1 == pin) { - return; /* device use no irq */ - } - - - /* map device number + pin to a pin on the sc520 */ - switch (PCI_DEV(dev)) { - case 20: - pin+=SC520_PCI_INTA; - break; - - case 19: - pin+=SC520_PCI_INTB; - break; - - case 18: - pin+=SC520_PCI_INTC; - break; - - case 17: - pin+=SC520_PCI_INTD; - break; - - default: - return; - } - - pin&=3; /* wrap around */ - - if (sc520_pci_ints[pin] == -1) { - /* re-route one interrupt for us */ - if (next_irq_index > 3) { - return; - } - if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { - return; - } - next_irq_index++; - } - - - if (-1 != sc520_pci_ints[pin]) { - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, - sc520_pci_ints[pin]); - } - PRINTF("fixup_irq: device %d pin %c irq %d\n", - PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -} - -static struct pci_controller sc520_cdp_hose = { - fixup_irq: pci_sc520_cdp_fixup_irq, -}; - -void pci_init_board(void) -{ - pci_sc520_init(&sc520_cdp_hose); -} - -/* - * This function should map a chunk of size bytes - * of the system address space to the ISA bus - * - * The function will return the memory address - * as seen by the host (which may very will be the - * same as the bus address) - */ -u32 isa_map_rom(u32 bus_addr, int size) -{ - u32 par; - - PRINTF("isa_map_rom asked to map %d bytes at %x\n", - size, bus_addr); - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 12; - par--; - par&=0x7f; - par <<= 18; - par |= (bus_addr>>12); - par |= 0x50000000; - - PRINTF ("setting PAR11 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[11] = par; - - return bus_addr; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void isa_unmap_rom(u32 addr) -{ - PRINTF("isa_unmap_rom asked to unmap %x", addr); - if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { - sc520_mmcr->par[11] = 0; - PRINTF(" done\n"); - return; - } - PRINTF(" not ours\n"); -} - -#define PCI_ROM_TEMP_SPACE 0x10000 -/* - * This function should map a chunk of size bytes - * of the system address space to the PCI bus, - * suitable to map PCI ROMS (bus address < 16M) - * the function will return the host memory address - * which should be converted into a bus address - * before used to configure the PCI rom address - * decoder - */ -u32 pci_get_rom_window(struct pci_controller *hose, int size) -{ - u32 par; - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 16; - par--; - par&=0x7ff; - par <<= 14; - par |= (PCI_ROM_TEMP_SPACE>>16); - par |= 0x72000000; - - PRINTF ("setting PAR1 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[1] = par; - - return PCI_ROM_TEMP_SPACE; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void pci_remove_rom_window(struct pci_controller *hose, u32 addr) -{ - PRINTF("pci_remove_rom_window: %x", addr); - if (addr == PCI_ROM_TEMP_SPACE) { - sc520_mmcr->par[1] = 0; - PRINTF(" done\n"); - return; - } - PRINTF(" not ours\n"); - -} - -/* - * This function is called in order to provide acces to the - * legacy video I/O ports on the PCI bus. - * After this function accesses to I/O ports 0x3b0-0x3bb and - * 0x3c0-0x3df shuld result in transactions on the PCI bus. - * - */ -int pci_enable_legacy_video_ports(struct pci_controller *hose) -{ - /* Map video memory to 0xa0000*/ - sc520_mmcr->par[0] = 0x7200400a; - - /* forward all I/O accesses to PCI */ - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; - - - /* so we map away all io ports to pci (only way to access pci io - * below 0x400. But then we have to map back the portions that we dont - * use so that the generate cycles on the GPIO bus where the sio and - * ISA slots are connected, this requre the use of several PAR registers - */ - - /* bring 0x100 - 0x1ef back to ISA using PAR5 */ - sc520_mmcr->par[5] = 0x30ef0100; - - /* IDE use 1f0-1f7 */ - - /* bring 0x1f8 - 0x2f7 back to ISA using PAR6 */ - sc520_mmcr->par[6] = 0x30ff01f8; - - /* com2 use 2f8-2ff */ - - /* bring 0x300 - 0x3af back to ISA using PAR7 */ - sc520_mmcr->par[7] = 0x30af0300; - - /* vga use 3b0-3bb */ - - /* bring 0x3bc - 0x3bf back to ISA using PAR8 */ - sc520_mmcr->par[8] = 0x300303bc; - - /* vga use 3c0-3df */ - - /* bring 0x3e0 - 0x3f5 back to ISA using PAR9 */ - sc520_mmcr->par[9] = 0x301503e0; - - /* ide use 3f6 */ - - /* bring 0x3f7 back to ISA using PAR10 */ - sc520_mmcr->par[10] = 0x300003f7; - - /* com1 use 3f8-3ff */ - - return 0; -} diff --git a/board/sc520_cdp/u-boot.lds b/board/sc520_cdp/u-boot.lds deleted file mode 100644 index df437c7..0000000 --- a/board/sc520_cdp/u-boot.lds +++ /dev/null @@ -1,91 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * 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 - */ - -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) - -SECTIONS -{ - . = 0x387c0000; /* Where bootcode in the flash is mapped */ - .text : { *(.text); } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = 0x400000; /* Ram data segment to use */ - _i386boot_romdata_dest = ABSOLUTE(.); - .data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) } - _i386boot_romdata_start = LOADADDR(.data); - - . = ALIGN(4); - .got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) } - _i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got); - - - . = ALIGN(4); - _i386boot_bss_start = ABSOLUTE(.); - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _i386boot_bss_size = SIZEOF(.bss); - - - /* 16bit realmode trampoline code */ - .realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) ) { *(.realmode) } - - _i386boot_realmode = LOADADDR(.realmode); - _i386boot_realmode_size = SIZEOF(.realmode); - - /* 16bit BIOS emulation code (just enough to boot Linux) */ - .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) } - - _i386boot_bios = LOADADDR(.bios); - _i386boot_bios_size = SIZEOF(.bios); - - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - - /* The load addresses below assumes that the flash - * will be mapped so that 0x387f0000 == 0xffff0000 - * at reset time - * - * The fe00 and ff00 offsets of the start32 and start16 - * segments are arbitrary, the just have to be mapped - * at reset and the code have to fit. - * The fff0 offset of resetvec is important, however. - */ - - - . = 0xfffffe00; - .start32 : AT (0x387ffe00) { *(.start32); } - - . = 0xff00; - .start16 : AT (0x387fff00) { *(.start16); } - - . = 0xfff0; - .resetvec : AT (0x387ffff0) { *(.resetvec); } - _i386boot_end = (LOADADDR(.resetvec) + SIZEOF(.resetvec) ); -} diff --git a/board/sc520_spunk/Makefile b/board/sc520_spunk/Makefile deleted file mode 100644 index 06fa2f3..0000000 --- a/board/sc520_spunk/Makefile +++ /dev/null @@ -1,56 +0,0 @@ -# -# (C) Copyright 2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# 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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(BOARD).a - -COBJS-y += sc520_spunk.o -COBJS-y += flash.o -COBJS-$(CONFIG_PCI) += sc520_spunk_pci.o -SOBJS-y += sc520_spunk_asm.o -SOBJS-y += sc520_spunk_asm16.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/sc520_spunk/config.mk b/board/sc520_spunk/config.mk deleted file mode 100644 index 2253815..0000000 --- a/board/sc520_spunk/config.mk +++ /dev/null @@ -1,25 +0,0 @@ -# -# (C) Copyright 2002 -# Daniel Engström, Omicron Ceti AB, daniel@omicron.se. -# -# 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 -# - - -TEXT_BASE = 0x387c0000 diff --git a/board/sc520_spunk/flash.c b/board/sc520_spunk/flash.c deleted file mode 100644 index d702046..0000000 --- a/board/sc520_spunk/flash.c +++ /dev/null @@ -1,791 +0,0 @@ -/* - * (C) Copyright 2002, 2003 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Alex Zuepke <azu@sysgo.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 <asm/io.h> -#include <pci.h> -#include <asm/ic/sc520.h> - -#define PROBE_BUFFER_SIZE 1024 -static unsigned char buffer[PROBE_BUFFER_SIZE]; - -#define SC520_MAX_FLASH_BANKS 1 -#define SC520_FLASH_BANK0_BASE 0x38000000 /* BOOTCS */ -#define SC520_FLASH_BANKSIZE 0x8000000 - -#define A29LV641DH_SIZE 0x800000 -#define A29LV641DH_SECTORS 128 - -#define A29LV641MH_SIZE 0x800000 -#define A29LV641MH_SECTORS 128 - -#define I28F320J3A_SIZE 0x400000 -#define I28F320J3A_SECTORS 32 - -#define I28F640J3A_SIZE 0x800000 -#define I28F640J3A_SECTORS 64 - -#define I28F128J3A_SIZE 0x1000000 -#define I28F128J3A_SECTORS 128 - -flash_info_t flash_info[SC520_MAX_FLASH_BANKS]; - -#define READY 1 -#define ERR 2 -#define TMO 4 - -/*----------------------------------------------------------------------- - */ - -static u32 _probe_flash(u32 addr, u32 bw, int il) -{ - u32 result=0; - - /* First do an unlock cycle for the benefit of - * devices that need it */ - - switch (bw) { - - case 1: - *(volatile u8*)(addr+0x5555) = 0xaa; - *(volatile u8*)(addr+0x2aaa) = 0x55; - *(volatile u8*)(addr+0x5555) = 0x90; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+2); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0x5555), 0xf0; - break; - - case 2: - *(volatile u16*)(addr+0xaaaa) = 0xaaaa; - *(volatile u16*)(addr+0x5554) = 0x5555; - - /* Issue identification command */ - if (il == 2) { - *(volatile u16*)(addr+0xaaaa) = 0x9090; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+2); - - /* Return device to data mode */ - *(volatile u16*)addr = 0xffff; - *(volatile u16*)(addr+0xaaaa), 0xf0f0; - - } else { - *(volatile u8*)(addr+0xaaaa) = 0x90; - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+2); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0xaaaa), 0xf0; - } - - break; - - case 4: - *(volatile u32*)(addr+0x5554) = 0xaaaaaaaa; - *(volatile u32*)(addr+0xaaa8) = 0x55555555; - - switch (il) { - case 1: - /* Issue identification command */ - *(volatile u8*)(addr+0x5554) = 0x90; - - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+4); - - /* Return device to data mode */ - *(volatile u8*)addr = 0xff; - *(volatile u8*)(addr+0x5554), 0xf0; - break; - - case 2: - /* Issue identification command */ - *(volatile u32*)(addr + 0x5554) = 0x00900090; - - /* Read vendor */ - result = *(volatile u16*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u16*)(addr+4); - - /* Return device to data mode */ - *(volatile u32*)addr = 0x00ff00ff; - *(volatile u32*)(addr+0x5554), 0x00f000f0; - break; - - case 4: - /* Issue identification command */ - *(volatile u32*)(addr+0x5554) = 0x90909090; - - /* Read vendor */ - result = *(volatile u8*)addr; - result <<= 16; - - /* Read device */ - result |= *(volatile u8*)(addr+4); - - /* Return device to data mode */ - *(volatile u32*)addr = 0xffffffff; - *(volatile u32*)(addr+0x5554), 0xf0f0f0f0; - break; - } - break; - } - - return result; -} - -extern int _probe_flash_end; -asm ("_probe_flash_end:\n" - ".long 0\n"); - -static int identify_flash(unsigned address, int width) -{ - int is; - int device; - int vendor; - int size; - unsigned res; - - u32 (*_probe_flash_ptr)(u32 a, u32 bw, int il); - - size = (unsigned)&_probe_flash_end - (unsigned)_probe_flash; - - if (size > PROBE_BUFFER_SIZE) { - printf("_probe_flash() routine too large (%d) %p - %p\n", - size, &_probe_flash_end, _probe_flash); - return 0; - } - - memcpy(buffer, _probe_flash, size); - _probe_flash_ptr = (void*)buffer; - - is = disable_interrupts(); - res = _probe_flash_ptr(address, width, 1); - if (is) { - enable_interrupts(); - } - - vendor = res >> 16; - device = res & 0xffff; - - return res; -} - -ulong flash_init(void) -{ - int i, j; - ulong size = 0; - - for (i = 0; i < SC520_MAX_FLASH_BANKS; i++) { - unsigned id; - ulong flashbase = 0; - int sectsize = 0; - - memset(flash_info[i].protect, 0, CONFIG_SYS_MAX_FLASH_SECT); - switch (i) { - case 0: - flashbase = SC520_FLASH_BANK0_BASE; - break; - default: - panic("configured too many flash banks!\n"); - } - - id = identify_flash(flashbase, 2); - switch (id) { - case 0x000122d7: - /* 29LV641DH */ - flash_info[i].flash_id = - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_LV640U & FLASH_TYPEMASK); - - flash_info[i].size = A29LV641DH_SIZE; - flash_info[i].sector_count = A29LV641DH_SECTORS; - sectsize = A29LV641DH_SIZE/A29LV641DH_SECTORS; - printf("Bank %d: AMD 29LV641DH\n", i); - break; - - case 0x0001227E: - /* 29LV641MH */ - flash_info[i].flash_id = - (AMD_MANUFACT & FLASH_VENDMASK) | - (AMD_ID_DL640 & FLASH_TYPEMASK); - - flash_info[i].size = A29LV641MH_SIZE; - flash_info[i].sector_count = A29LV641MH_SECTORS; - sectsize = A29LV641MH_SIZE/A29LV641MH_SECTORS; - printf("Bank %d: AMD 29LV641MH\n", i); - break; - - case 0x00890016: - /* 28F320J3A */ - flash_info[i].flash_id = - (INTEL_MANUFACT & FLASH_VENDMASK) | - (INTEL_ID_28F320J3A & FLASH_TYPEMASK); - - flash_info[i].size = I28F320J3A_SIZE; - flash_info[i].sector_count = I28F320J3A_SECTORS; - sectsize = I28F320J3A_SIZE/I28F320J3A_SECTORS; - printf("Bank %d: Intel 28F320J3A\n", i); - break; - - case 0x00890017: - /* 28F640J3A */ - flash_info[i].flash_id = - (INTEL_MANUFACT & FLASH_VENDMASK) | - (INTEL_ID_28F640J3A & FLASH_TYPEMASK); - - flash_info[i].size = I28F640J3A_SIZE; - flash_info[i].sector_count = I28F640J3A_SECTORS; - sectsize = I28F640J3A_SIZE/I28F640J3A_SECTORS; - printf("Bank %d: Intel 28F640J3A\n", i); - break; - - case 0x00890018: - /* 28F128J3A */ - flash_info[i].flash_id = - (INTEL_MANUFACT & FLASH_VENDMASK) | - (INTEL_ID_28F128J3A & FLASH_TYPEMASK); - - flash_info[i].size = I28F128J3A_SIZE; - flash_info[i].sector_count = I28F128J3A_SECTORS; - sectsize = I28F128J3A_SIZE/I28F128J3A_SECTORS; - printf("Bank %d: Intel 28F128J3A\n", i); - break; - - default: - printf("Bank %d have unknown flash %08x\n", i, id); - flash_info[i].flash_id = FLASH_UNKNOWN; - continue; - } - - for (j = 0; j < flash_info[i].sector_count; j++) { - flash_info[i].start[j] = flashbase + j * sectsize; - } - size += flash_info[i].size; - - flash_protect(FLAG_PROTECT_CLEAR, - flash_info[i].start[0], - flash_info[i].start[0] + flash_info[i].size - 1, - &flash_info[i]); - } - - /* - * Protect monitor and environment sectors - */ - flash_protect(FLAG_PROTECT_SET, - i386boot_start, - i386boot_end, - &flash_info[0]); -#ifdef CONFIG_ENV_ADDR - flash_protect(FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, - &flash_info[0]); -#endif - return size; -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info(flash_info_t *info) -{ - int i; - - switch (info->flash_id & FLASH_VENDMASK) { - case (INTEL_MANUFACT & FLASH_VENDMASK): - printf("INTEL: "); - switch (info->flash_id & FLASH_TYPEMASK) { - case (INTEL_ID_28F320J3A & FLASH_TYPEMASK): - printf("1x I28F320J3A (32Mbit)\n"); - break; - case (INTEL_ID_28F640J3A & FLASH_TYPEMASK): - printf("1x I28F640J3A (64Mbit)\n"); - break; - case (INTEL_ID_28F128J3A & FLASH_TYPEMASK): - printf("1x I28F128J3A (128Mbit)\n"); - break; - default: - printf("Unknown Chip Type\n"); - goto done; - break; - } - - break; - - case (AMD_MANUFACT & FLASH_VENDMASK): - printf("AMD: "); - switch (info->flash_id & FLASH_TYPEMASK) { - case (AMD_ID_LV640U & FLASH_TYPEMASK): - printf("1x AMD29LV641DH (64Mbit)\n"); - break; - case (AMD_ID_DL640 & FLASH_TYPEMASK): - printf("1x AMD29LV641MH (64Mbit)\n"); - break; - default: - printf("Unknown Chip Type\n"); - goto done; - break; - } - - break; - default: - printf("Unknown Vendor "); - 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"); - -done: - return; -} - -/*----------------------------------------------------------------------- - */ - -static u32 _amd_erase_flash(u32 addr, u32 sector) -{ - unsigned elapsed; - - /* Issue erase */ - *(volatile u16*)(addr + 0xaaaa) = 0x00AA; - *(volatile u16*)(addr + 0x5554) = 0x0055; - *(volatile u16*)(addr + 0xaaaa) = 0x0080; - /* And one unlock */ - *(volatile u16*)(addr + 0xaaaa) = 0x00AA; - *(volatile u16*)(addr + 0x5554) = 0x0055; - /* Sector erase command comes last */ - *(volatile u16*)(addr + sector) = 0x0030; - - elapsed = *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); /* dummy read */ - elapsed = 0; - while (((*(volatile u16*)(addr + sector)) & 0x0080) != 0x0080) { - - elapsed += *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); - if (elapsed > ((CONFIG_SYS_FLASH_ERASE_TOUT/CONFIG_SYS_HZ) * 1000)) { - *(volatile u16*)(addr) = 0x00f0; - return 1; - } - } - - *(volatile u16*)(addr) = 0x00f0; - - return 0; -} - -extern int _amd_erase_flash_end; -asm ("_amd_erase_flash_end:\n" - ".long 0\n"); - -/* this needs to be inlined, the SWTMRMMILLI register is reset by each read */ -#define __udelay(delay) \ -{ \ - unsigned micro; \ - unsigned milli=0; \ - \ - micro = *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); \ - \ - for (;;) { \ - \ - milli += *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); \ - micro = *(volatile u16*)(0xfffef000+SC520_SWTMRMICRO); \ - \ - if ((delay) <= (micro + (milli * 1000))) { \ - break; \ - } \ - } \ -} while (0) - -static u32 _intel_erase_flash(u32 addr, u32 sector) -{ - unsigned elapsed; - - *(volatile u16*)(addr + sector) = 0x0050; /* clear status register */ - *(volatile u16*)(addr + sector) = 0x0020; /* erase setup */ - *(volatile u16*)(addr + sector) = 0x00D0; /* erase confirm */ - - /* Wait at least 80us - let's wait 1 ms */ - __udelay(1000); - - elapsed = 0; - while (((*(volatile u16*)(addr + sector)) & 0x0080) != 0x0080) { - elapsed += *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); - if (elapsed > ((CONFIG_SYS_FLASH_ERASE_TOUT/CONFIG_SYS_HZ) * 1000)) { - *(volatile u16*)(addr + sector) = 0x00B0; /* suspend erase */ - *(volatile u16*)(addr + sector) = 0x00FF; /* reset to read mode */ - return 1; - } - } - - *(volatile u16*)(addr + sector) = 0x00FF; /* reset to read mode */ - - return 0; -} - -extern int _intel_erase_flash_end; -asm ("_intel_erase_flash_end:\n" - ".long 0\n"); - -int flash_erase(flash_info_t *info, int s_first, int s_last) -{ - u32 (*_erase_flash_ptr)(u32 a, u32 so); - int prot; - int sect; - unsigned size; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf("- missing\n"); - } else { - printf("- no sectors to erase\n"); - } - return 1; - } - - if ((info->flash_id & FLASH_VENDMASK) == (AMD_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_amd_erase_flash_end - (unsigned)_amd_erase_flash; - - if (size > PROBE_BUFFER_SIZE) { - printf("_amd_erase_flash() routine too large (%d) %p - %p\n", - size, &_amd_erase_flash_end, _amd_erase_flash); - return 0; - } - - memcpy(buffer, _amd_erase_flash, size); - _erase_flash_ptr = (void*)buffer; - - } else if ((info->flash_id & FLASH_VENDMASK) == (INTEL_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_intel_erase_flash_end - (unsigned)_intel_erase_flash; - - if (size > PROBE_BUFFER_SIZE) { - printf("_intel_erase_flash() routine too large (%d) %p - %p\n", - size, &_intel_erase_flash_end, _intel_erase_flash); - return 0; - } - - memcpy(buffer, _intel_erase_flash, size); - _erase_flash_ptr = (void*)buffer; - } else { - 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"); - } - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect<=s_last; sect++) { - - if (info->protect[sect] == 0) { /* not protected */ - int res; - int flag; - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - res = _erase_flash_ptr(info->start[0], info->start[sect]-info->start[0]); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - - if (res) { - printf("Erase timed out, sector %d\n", sect); - return res; - } - - putc('.'); - } - } - - return 0; -} - -/*----------------------------------------------------------------------- - * Write a word to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int _amd_write_word(unsigned start, unsigned dest, u16 data) -{ - volatile u16 *addr2 = (volatile u16*)start; - volatile u16 *dest2 = (volatile u16*)dest; - volatile u16 *data2 = (volatile u16*)&data; - int i; - unsigned elapsed; - - /* Check if Flash is (sufficiently) erased */ - if ((*((volatile u16*)dest) & (u16)data) != (u16)data) { - return 2; - } - - for (i = 0; i < 2; i++) { - - addr2[0x5555] = 0x00AA; - addr2[0x2aaa] = 0x0055; - addr2[0x5555] = 0x00A0; - - dest2[i] = (data >> (i*16)) & 0xffff; - - elapsed = *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); /* dummy read */ - elapsed = 0; - - /* data polling for D7 */ - while ((dest2[i] & 0x0080) != (data2[i] & 0x0080)) { - elapsed += *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); - if (elapsed > ((CONFIG_SYS_FLASH_WRITE_TOUT/CONFIG_SYS_HZ) * 1000)) { - addr2[i] = 0x00f0; - return 1; - } - } - } - - addr2[i] = 0x00f0; - - return 0; -} - -extern int _amd_write_word_end; -asm ("_amd_write_word_end:\n" - ".long 0\n"); - -static int _intel_write_word(unsigned start, unsigned dest, unsigned data) -{ - int i; - unsigned elapsed; - - /* Check if Flash is (sufficiently) erased */ - if ((*((volatile u16*)dest) & (u16)data) != (u16)data) { - return 2; - } - - for (i = 0; i < 2; i++) { - - *(volatile u16*)(dest+2*i) = 0x0040; /* write setup */ - *(volatile u16*)(dest+2*i) = (data >> (i*16)) & 0xffff; - - elapsed = *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); /* dummy read */ - elapsed = 0; - - /* data polling for D7 */ - while ((*(volatile u16*)dest & 0x0080) != 0x0080) { - elapsed += *(volatile u16*)(0xfffef000+SC520_SWTMRMILLI); - if (elapsed > ((CONFIG_SYS_FLASH_WRITE_TOUT/CONFIG_SYS_HZ) * 1000)) { - *(volatile u16*)dest = 0x00ff; - return 1; - } - } - } - - *(volatile u16*)dest = 0x00ff; - - - return 0; -} - -extern int _intel_write_word_end; -asm ("_intel_write_word_end:\n" - ".long 0\n"); - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 3 - Unsupported flash type - */ - -int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) -{ - ulong cp, wp, data; - int i, l, rc; - int flag; - u32 (*_write_word_ptr)(unsigned start, unsigned dest, unsigned data); - unsigned size; - - if ((info->flash_id & FLASH_VENDMASK) == (AMD_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_amd_write_word_end - (unsigned)_amd_write_word; - - if (size > PROBE_BUFFER_SIZE) { - printf("_amd_write_word() routine too large (%d) %p - %p\n", - size, &_amd_write_word_end, _amd_write_word); - return 0; - } - - memcpy(buffer, _amd_write_word, size); - _write_word_ptr = (void*)buffer; - - } else if ((info->flash_id & FLASH_VENDMASK) == (INTEL_MANUFACT & FLASH_VENDMASK)) { - size = (unsigned)&_intel_write_word_end - (unsigned)_intel_write_word; - - if (size > PROBE_BUFFER_SIZE) { - printf("_intel_write_word() routine too large (%d) %p - %p\n", - size, &_intel_write_word_end, _intel_write_word); - return 0; - } - - memcpy(buffer, _intel_write_word, size); - _write_word_ptr = (void*)buffer; - } else { - printf ("Can't program unknown flash type - aborted\n"); - return 3; - } - - 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 |= (*(uchar *)cp) << (8*i); - } - for (; i<4 && cnt>0; ++i) { - data |= *src++ << (8*i); - --cnt; - ++cp; - } - for (; cnt==0 && i<4; ++i, ++cp) { - data |= (*(uchar *)cp) << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - if (rc != 0) { - return rc; - } - wp += 4; - } - - /* - * handle word aligned part - */ - while (cnt >= 4) { - data = 0; - - for (i=0; i<4; ++i) { - data |= *src++ << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - if (rc != 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 |= *src++ << (8*i); - --cnt; - } - - for (; i<4; ++i, ++cp) { - data |= (*(uchar *)cp) << (8*i); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts(); - - rc = _write_word_ptr(info->start[0], wp, data); - - /* re-enable interrupts if necessary */ - if (flag) { - enable_interrupts(); - } - - return rc; -} diff --git a/board/sc520_spunk/sc520_spunk.c b/board/sc520_spunk/sc520_spunk.c deleted file mode 100644 index 09f11bb..0000000 --- a/board/sc520_spunk/sc520_spunk.c +++ /dev/null @@ -1,410 +0,0 @@ -/* - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 <netdev.h> -#include <ds1722.h> -#include <asm/io.h> -#include <asm/ic/sc520.h> -#include <asm/ic/ssi.h> - -DECLARE_GLOBAL_DATA_PTR; - -/* - * Theory: - * We first set up all IRQs to be non-pci, edge triggered, - * when we later enumerate the pci bus and pci_sc520_fixup_irq() gets - * called we reallocate irqs to the pci bus with sc520_pci_set_irq() - * as needed. Whe choose the irqs to gram from a configurable list - * inside pci_sc520_fixup_irq() (If this list contains stupid irq's - * such as 0 thngas will not work) - */ - -static void irq_init(void) -{ - /* disable global interrupt mode */ - sc520_mmcr->picicr = 0x40; - - /* set all irqs to edge */ - sc520_mmcr->pic_mode[0] = 0x00; - sc520_mmcr->pic_mode[1] = 0x00; - sc520_mmcr->pic_mode[2] = 0x00; - - /* active low polarity on PIC interrupt pins, - * active high polarity on all other irq pins */ - sc520_mmcr->intpinpol = 0x0000; - - /* set irq number mapping */ - sc520_mmcr->gp_tmr_int_map[0] = SC520_IRQ_DISABLED; /* disable GP timer 0 INT */ - sc520_mmcr->gp_tmr_int_map[1] = SC520_IRQ_DISABLED; /* disable GP timer 1 INT */ - sc520_mmcr->gp_tmr_int_map[2] = SC520_IRQ_DISABLED; /* disable GP timer 2 INT */ - sc520_mmcr->pit_int_map[0] = SC520_IRQ0; /* Set PIT timer 0 INT to IRQ0 */ - sc520_mmcr->pit_int_map[1] = SC520_IRQ_DISABLED; /* disable PIT timer 1 INT */ - sc520_mmcr->pit_int_map[2] = SC520_IRQ_DISABLED; /* disable PIT timer 2 INT */ - sc520_mmcr->pci_int_map[0] = SC520_IRQ_DISABLED; /* disable PCI INT A */ - sc520_mmcr->pci_int_map[1] = SC520_IRQ_DISABLED; /* disable PCI INT B */ - sc520_mmcr->pci_int_map[2] = SC520_IRQ_DISABLED; /* disable PCI INT C */ - sc520_mmcr->pci_int_map[3] = SC520_IRQ_DISABLED; /* disable PCI INT D */ - sc520_mmcr->dmabcintmap = SC520_IRQ_DISABLED; /* disable DMA INT */ - sc520_mmcr->ssimap = SC520_IRQ6; /* Set Synchronius serial INT to IRQ6*/ - sc520_mmcr->wdtmap = SC520_IRQ_DISABLED; /* disable Watchdog INT */ - sc520_mmcr->rtcmap = SC520_IRQ8; /* Set RTC int to 8 */ - sc520_mmcr->wpvmap = SC520_IRQ_DISABLED; /* disable write protect INT */ - sc520_mmcr->icemap = SC520_IRQ1; /* Set ICE Debug Serielport INT to IRQ1 */ - sc520_mmcr->ferrmap = SC520_IRQ13; /* Set FP error INT to IRQ13 */ - - - sc520_mmcr->uart_int_map[0] = SC520_IRQ4; /* Set internal UART1 INT to IRQ4 */ - sc520_mmcr->uart_int_map[1] = SC520_IRQ3; /* Set internal UART2 INT to IRQ3 */ - - sc520_mmcr->gp_int_map[0] = SC520_IRQ7; /* Set GPIRQ0 (PC-Card AUX IRQ) to IRQ7 */ - sc520_mmcr->gp_int_map[1] = SC520_IRQ14; /* Set GPIRQ1 (CF IRQ) to IRQ14 */ - sc520_mmcr->gp_int_map[3] = SC520_IRQ5; /* Set GPIRQ3 ( CAN IRQ ) ti IRQ5 */ - sc520_mmcr->gp_int_map[4] = SC520_IRQ_DISABLED; /* disbale GIRQ4 ( IRR IRQ ) */ - sc520_mmcr->gp_int_map[5] = SC520_IRQ_DISABLED; /* disable GPIRQ5 */ - sc520_mmcr->gp_int_map[6] = SC520_IRQ_DISABLED; /* disable GPIRQ6 */ - sc520_mmcr->gp_int_map[7] = SC520_IRQ_DISABLED; /* disable GPIRQ7 */ - sc520_mmcr->gp_int_map[8] = SC520_IRQ_DISABLED; /* disable GPIRQ8 */ - sc520_mmcr->gp_int_map[9] = SC520_IRQ_DISABLED; /* disable GPIRQ9 */ - sc520_mmcr->gp_int_map[2] = SC520_IRQ_DISABLED; /* disable GPIRQ2 */ - sc520_mmcr->gp_int_map[10] = SC520_IRQ_DISABLED; /* disable GPIRQ10 */ - - sc520_mmcr->pcihostmap = 0x11f; /* Map PCI hostbridge INT to NMI */ - sc520_mmcr->eccmap = 0x100; /* Map SDRAM ECC failure INT to NMI */ - -} - -/* set up the ISA bus timing and system address mappings */ -static void bus_init(void) -{ - /* versions - * 0 Hyglo versions 0.95 and 0.96 (large baords) - * ?? Hyglo version 0.97 (small board) - * 10 Spunk board - */ - int version = sc520_mmcr->sysinfo; - - if (version) { - /* set up the GP IO pins (for the Spunk board) */ - sc520_mmcr->piopfs31_16 = 0xfff0; /* set the GPIO pin function 31-16 reg */ - sc520_mmcr->piopfs15_0 = 0x000f; /* set the GPIO pin function 15-0 reg */ - sc520_mmcr->piodir31_16 = 0x000f; /* set the GPIO direction 31-16 reg */ - sc520_mmcr->piodir15_0 = 0x1ff0; /* set the GPIO direction 15-0 reg */ - sc520_mmcr->cspfs = 0xc0; /* set the CS pin function reg */ - sc520_mmcr->clksel = 0x70; - - sc520_mmcr->pioclr31_16 = 0x0003; /* reset SSI chip-selects */ - sc520_mmcr->pioset31_16 = 0x000c; - - } else { - /* set up the GP IO pins (for the Hyglo board) */ - sc520_mmcr->piopfs31_16 = 0xffc0; /* set the GPIO pin function 31-16 reg */ - sc520_mmcr->piopfs15_0 = 0x1e7f; /* set the GPIO pin function 15-0 reg */ - sc520_mmcr->piodir31_16 = 0x003f; /* set the GPIO direction 31-16 reg */ - sc520_mmcr->piodir15_0 = 0xe180; /* set the GPIO direction 15-0 reg */ - sc520_mmcr->cspfs = 0x00; /* set the CS pin function reg */ - sc520_mmcr->clksel = 0x70; - - sc520_mmcr->pioclr15_0 = 0x0180; /* reset SSI chip-selects */ - } - - sc520_mmcr->gpcsrt = 1; /* set the GP CS offset */ - sc520_mmcr->gpcspw = 3; /* set the GP CS pulse width */ - sc520_mmcr->gpcsoff = 1; /* set the GP CS offset */ - sc520_mmcr->gprdw = 3; /* set the RD pulse width */ - sc520_mmcr->gprdoff = 1; /* set the GP RD offset */ - sc520_mmcr->gpwrw = 3; /* set the GP WR pulse width */ - sc520_mmcr->gpwroff = 1; /* set the GP WR offset */ - - sc520_mmcr->bootcsctl = 0x0407; /* set up timing of BOOTCS */ - - /* adjust the memory map: - * by default the first 256MB (0x00000000 - 0x0fffffff) is mapped to SDRAM - * and 256MB to 1G-128k (0x1000000 - 0x37ffffff) is mapped to PCI mmio - * we need to map 1G-128k - 1G (0x38000000 - 0x3fffffff) to CS1 */ - - - /* bootcs */ - sc520_mmcr->par[12] = 0x8bffe800; - - /* IDE0 = GPCS6 1f0-1f7 */ - sc520_mmcr->par[3] = 0x380801f0; - - /* IDE1 = GPCS7 3f6 */ - sc520_mmcr->par[4] = 0x3c0003f6; - - asm ("wbinvd\n"); /* Flush cache, req. after setting the unchached attribute ona PAR */ - - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl & ~(UART2_DIS|UART1_DIS); - -} - - -/* par usage: - * PAR0 (legacy_video) - * PAR1 (PCI ROM mapping) - * PAR2 - * PAR3 IDE - * PAR4 IDE - * PAR5 (legacy_video) - * PAR6 - * PAR7 (legacy_video) - * PAR8 (legacy_video) - * PAR9 (legacy_video) - * PAR10 - * PAR11 (ISAROM) - * PAR12 BOOTCS - * PAR13 - * PAR14 - * PAR15 - */ - -/* - * Miscelaneous platform dependent initialisations - */ - -int board_init(void) -{ - init_sc520(); - bus_init(); - irq_init(); - - /* max drive current on SDRAM */ - sc520_mmcr->dsctl = 0x0100; - - /* enter debug mode after next reset (only if jumper is also set) */ - sc520_mmcr->rescfg = 0x08; - /* configure the software timer to 33.000MHz */ - sc520_mmcr->swtmrcfg = 1; - gd->bus_clk = 33000000; - - return 0; -} - -int dram_init(void) -{ - init_sc520_dram(); - return 0; -} - -void show_boot_progress(int val) -{ - int version = sc520_mmcr->sysinfo; - - if (val < -32) val = -1; /* let things compatible */ - if (version == 0) { - /* PIO31-PIO16 Data */ - sc520_mmcr->piodata31_16 = (sc520_mmcr->piodata31_16 & 0xffc0) | ((val&0x7e)>>1); /* 0x1f8 >> 3 */ - - /* PIO0-PIO15 Data */ - sc520_mmcr->piodata15_0 = (sc520_mmcr->piodata15_0 & 0x1fff)| ((val&0x7)<<13); - } else { - /* newer boards use PIO4-PIO12 */ - /* PIO0-PIO15 Data */ -#if 0 - val = (val & 0x007) | ((val & 0x038) << 3) | ((val & 0x1c0) >> 3); -#else - val = (val & 0x007) | ((val & 0x07e) << 2); -#endif - sc520_mmcr->piodata15_0 = (sc520_mmcr->piodata15_0 & 0xe00f) | ((val&0x01ff)<<4); - } -} - - -int last_stage_init(void) -{ - - int version = sc520_mmcr->sysinfo; - - printf("Omicron Ceti SC520 Spunk revision %x\n", version); - -#if 0 - if (version) { - int x, y; - - printf("eeprom probe %d\n", spi_eeprom_probe(1)); - - spi_eeprom_read(1, 0, (u8*)&x, 2); - spi_eeprom_read(1, 1, (u8*)&y, 2); - printf("eeprom bytes %04x%04x\n", x, y); - x ^= 0xffff; - y ^= 0xffff; - spi_eeprom_write(1, 0, (u8*)&x, 2); - spi_eeprom_write(1, 1, (u8*)&y, 2); - - spi_eeprom_read(1, 0, (u8*)&x, 2); - spi_eeprom_read(1, 1, (u8*)&y, 2); - printf("eeprom bytes %04x%04x\n", x, y); - - } else { - int x, y; - - printf("eeprom probe %d\n", mw_eeprom_probe(1)); - - mw_eeprom_read(1, 0, (u8*)&x, 2); - mw_eeprom_read(1, 1, (u8*)&y, 2); - printf("eeprom bytes %04x%04x\n", x, y); - - x ^= 0xffff; - y ^= 0xffff; - mw_eeprom_write(1, 0, (u8*)&x, 2); - mw_eeprom_write(1, 1, (u8*)&y, 2); - - mw_eeprom_read(1, 0, (u8*)&x, 2); - mw_eeprom_read(1, 1, (u8*)&y, 2); - printf("eeprom bytes %04x%04x\n", x, y); - - - } -#endif - - ds1722_probe(2); - - return 0; -} - -void ssi_chip_select(int dev) -{ - int version = sc520_mmcr->sysinfo; - - if (version) { - /* Spunk board: EEPROM and CAN are actove-low, TEMP and AUX are active high */ - switch (dev) { - case 1: /* EEPROM */ - sc520_mmcr->pioclr31_16 = 0x0004; - break; - - case 2: /* Temp Probe */ - sc520_mmcr->pioset31_16 = 0x0002; - break; - - case 3: /* CAN */ - sc520_mmcr->pioclr31_16 = 0x0008; - break; - - case 4: /* AUX */ - sc520_mmcr->pioset31_16 = 0x0001; - break; - - case 0: - sc520_mmcr->pioclr31_16 = 0x0003; - sc520_mmcr->pioset31_16 = 0x000c; - break; - - default: - printf("Illegal SSI device requested: %d\n", dev); - } - } else { - - /* Globox board: Both EEPROM and TEMP are active-high */ - - switch (dev) { - case 1: /* EEPROM */ - sc520_mmcr->pioset15_0 = 0x0100; - break; - - case 2: /* Temp Probe */ - sc520_mmcr->pioset15_0 = 0x0080; - break; - - case 0: - sc520_mmcr->pioclr15_0 = 0x0180; - break; - - default: - printf("Illegal SSI device requested: %d\n", dev); - } - } -} - -void spi_eeprom_probe(int x) -{ -} - -int spi_eeprom_read(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -int spi_eeprom_write(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -void mw_eeprom_probe(int x) -{ -} - -int mw_eeprom_read(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -int mw_eeprom_write(int x, int offset, uchar *buffer, int len) -{ - return 0; -} - -void spi_init_f(void) -{ - sc520_mmcr->sysinfo ? spi_eeprom_probe(1) : mw_eeprom_probe(1); - -} - -ssize_t spi_read(uchar *addr, int alen, uchar *buffer, int len) -{ - int offset; - int i; - - offset = 0; - for (i=0;i<alen;i++) { - offset <<= 8; - offset |= addr[i]; - } - - return sc520_mmcr->sysinfo ? - spi_eeprom_read(1, offset, buffer, len) : - mw_eeprom_read(1, offset, buffer, len); -} - -ssize_t spi_write(uchar *addr, int alen, uchar *buffer, int len) -{ - int offset; - int i; - - offset = 0; - for (i=0;i<alen;i++) { - offset <<= 8; - offset |= addr[i]; - } - - return sc520_mmcr->sysinfo ? - spi_eeprom_write(1, offset, buffer, len) : - mw_eeprom_write(1, offset, buffer, len); -} - -int board_eth_init(bd_t *bis) -{ - return pci_eth_init(bis); -} diff --git a/board/sc520_spunk/sc520_spunk_asm.S b/board/sc520_spunk/sc520_spunk_asm.S deleted file mode 100644 index eda7e91..0000000 --- a/board/sc520_spunk/sc520_spunk_asm.S +++ /dev/null @@ -1,81 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 - */ - -/* now setup the General purpose bus to give us access to the LEDs. - * We can then use the leds to display status information. - */ - -sc520_cdp_registers: -/* size offset value */ -.word 1 ; .word 0x040 ; .long 0x00 /* SDRAM buffer control */ -.word 2 ; .word 0xc08 ; .long 0x0001 /* GP CS offset */ -.word 2 ; .word 0xc09 ; .long 0x0003 /* GP CS width */ -.word 2 ; .word 0xc0a ; .long 0x0001 /* GP CS width */ -.word 2 ; .word 0xc0b ; .long 0x0003 /* GP RD pulse width */ -.word 2 ; .word 0xc0c ; .long 0x0001 /* GP RD offse */ -.word 2 ; .word 0xc0d ; .long 0x0003 /* GP WR pulse width */ -.word 2 ; .word 0xc0e ; .long 0x0001 /* GP WR offset */ -.word 2 ; .word 0xc2c ; .long 0x003f /* GPIO directionreg 31-16 */ -.word 2 ; .word 0xc2a ; .long 0xe000 /* GPIO directionreg 15-0 */ -.word 2 ; .word 0xc22 ; .long 0xffc0 /* GPIO pin function 31-16 reg */ -.word 2 ; .word 0xc20 ; .long 0x1fff /* GPIO pin function 15-0 reg */ -.word 0 ; .word 0x000 ; .long 0x00 - -/* board early intialization */ -.globl early_board_init -early_board_init: - movl $sc520_cdp_registers,%esi -init_loop: - movl $0xfffef000,%edi /* MMCR base to edi */ - movw (%esi), %bx /* load size to bx */ - cmpw $0, %bx /* if size is 0 we're done */ - je done - xorl %edx,%edx - movw 2(%esi), %dx /* load MMCR offset to dx */ - addl %edx, %edi /* add offset to base in edi */ - movl 4(%esi), %eax /* load value in eax */ - cmpw $1, %bx - je byte /* byte op? */ - cmpw $2, %bx - je word /* word op? */ - movl %eax, (%edi) /* must be long, then */ - jmp next -byte: movb %al,(%edi) - jmp next -word: movw %ax,(%edi) -next: addl $8, %esi /* advance esi */ - jmp init_loop - - /* light all leds */ -done: movl $0xfffefc32,%edx - movw $0000,(%edx) - - jmp *%ebp /* return to caller */ - - -.globl show_boot_progress_asm -show_boot_progress_asm: - movl $0xfffefc32,%edx - xorw $0xffff, %ax - movw %ax,(%edx) - jmp *%ebp diff --git a/board/sc520_spunk/sc520_spunk_asm16.S b/board/sc520_spunk/sc520_spunk_asm16.S deleted file mode 100644 index 8bb1766..0000000 --- a/board/sc520_spunk/sc520_spunk_asm16.S +++ /dev/null @@ -1,83 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 - */ - -/* - * 16bit initialization code. - * This code have to map the area of the boot flash - * that is used by U-boot to its final destination. - */ - -.text -.section .start16, "ax" -.code16 -.globl board_init16 -board_init16: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* Map the entire flash at 0x38000000 - * (with BOOTCS and PAR14, use 0xabfff800 for ROMCS1) */ - movl $0xc0, %edi - movl $0x8bfff800, %eax - movl %eax, (%di) - - /* Disable SDRAM write buffer */ - movw $0x40,%di - xorw %ax,%ax - movb %al, (%di) - - /* Disabe MMCR alias */ - movw $0xfffc, %dx - movl $0x000000cb, %eax - outl %eax, %dx - - /* the return address is stored in bp */ - jmp *%bp - - -.section .bios, "ax" -.code16 -.globl realmode_reset -realmode_reset: - /* Alias MMCR to 0xdf000 */ - movw $0xfffc, %dx - movl $0x800df0cb, %eax - outl %eax, %dx - - /* Set ds to point to MMCR alias */ - movw $0xdf00, %ax - movw %ax, %ds - - /* issue software reset thorugh MMCR */ - movl $0xd72, %edi - movb $0x01, %al - movb %al, (%di) - -1: hlt - jmp 1 diff --git a/board/sc520_spunk/sc520_spunk_pci.c b/board/sc520_spunk/sc520_spunk_pci.c deleted file mode 100644 index 1b5d0f1..0000000 --- a/board/sc520_spunk/sc520_spunk_pci.c +++ /dev/null @@ -1,323 +0,0 @@ -/* - * - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB <daniel@omicron.se>. - * - * 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 <pci.h> -#include <ds1722.h> -#include <asm/io.h> -#include <asm/pci.h> -#include <asm/ic/sc520.h> -#include <asm/ic/pci.h> - -DECLARE_GLOBAL_DATA_PTR; - -static void pci_sc520_spunk_fixup_irq(struct pci_controller *hose, pci_dev_t dev) -{ - int version = sc520_mmcr->sysinfo; - - /* a configurable lists of irqs to steal - * when we need one (a board with more pci interrupt pins - * would use a larger table */ - static int irq_list[] = { - CONFIG_SYS_FIRST_PCI_IRQ, - CONFIG_SYS_SECOND_PCI_IRQ, - CONFIG_SYS_THIRD_PCI_IRQ, - CONFIG_SYS_FORTH_PCI_IRQ - }; - static int next_irq_index=0; - - uchar tmp_pin; - int pin; - - pci_hose_read_config_byte(hose, dev, PCI_INTERRUPT_PIN, &tmp_pin); - pin = tmp_pin; - - pin-=1; /* pci config space use 1-based numbering */ - if (-1 == pin) { - return; /* device use no irq */ - } - - - /* map device number + pin to a pin on the sc520 */ - switch (PCI_DEV(dev)) { - case 6: /* ETH0 */ - pin+=SC520_PCI_INTA; - break; - - case 7: /* ETH1 */ - pin+=SC520_PCI_INTB; - break; - - case 8: /* Crypto */ - pin+=SC520_PCI_INTC; - break; - - case 9: /* PMC slot */ - pin+=SC520_PCI_INTD; - break; - - case 10: /* PC-Card */ - - if (version < 10) { - pin+=SC520_PCI_INTD; - } else { - pin+=SC520_PCI_INTC; - } - break; - - default: - return; - } - - pin&=3; /* wrap around */ - - if (sc520_pci_ints[pin] == -1) { - /* re-route one interrupt for us */ - if (next_irq_index > 3) { - return; - } - if (pci_sc520_set_irq(pin, irq_list[next_irq_index])) { - return; - } - next_irq_index++; - } - - - if (-1 != sc520_pci_ints[pin]) { - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, - sc520_pci_ints[pin]); - } -#if 0 - printf("fixup_irq: device %d pin %c irq %d\n", - PCI_DEV(dev), 'A' + pin, sc520_pci_ints[pin]); -#endif -} - - -static void pci_sc520_spunk_configure_cardbus(struct pci_controller *hose, - pci_dev_t dev, struct pci_config_table *te) -{ - u32 io_base; - u32 temp; - - pciauto_config_device(hose, dev); - - pci_hose_write_config_word(hose, dev, PCI_COMMAND, 0x07); /* enable device */ - pci_hose_write_config_byte(hose, dev, 0x0c, 0x10); /* cacheline size */ - pci_hose_write_config_byte(hose, dev, 0x0d, 0x40); /* latency timer */ - pci_hose_write_config_byte(hose, dev, 0x1b, 0x40); /* cardbus latency timer */ - pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0040); /* reset cardbus */ - pci_hose_write_config_word(hose, dev, PCI_BRIDGE_CONTROL, 0x0080); /* route interrupts though ExCA */ - pci_hose_write_config_word(hose, dev, 0x44, 0x3e0); /* map legacy I/O port to 0x3e0 */ - - pci_hose_read_config_dword(hose, dev, 0x80, &temp); /* System control */ - pci_hose_write_config_dword(hose, dev, 0x80, temp | 0x60); /* System control: disable clockrun */ - /* route MF0 to ~INT and MF3 to IRQ7 - * reserve all others */ - pci_hose_write_config_dword(hose, dev, 0x8c, 0x00007002); - pci_hose_write_config_byte(hose, dev, 0x91, 0x00); /* card control */ - pci_hose_write_config_byte(hose, dev, 0x92, 0x62); /* device control */ - - if (te->device != 0xac56) { - pci_hose_write_config_byte(hose, dev, 0x93, 0x21); /* async interrupt enable */ - pci_hose_write_config_word(hose, dev, 0xa8, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xac, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xaa, 0x0000); /* reset GPIO */ - pci_hose_write_config_word(hose, dev, 0xae, 0x0000); /* reset GPIO */ - } else { - pci_hose_write_config_byte(hose, dev, 0x93, 0x20); /* */ - } - pci_hose_write_config_word(hose, dev, 0xa4, 0x8000); /* reset power management */ - - - pci_hose_read_config_dword(hose, dev, PCI_BASE_ADDRESS_0, &io_base); - io_base &= ~0xfL; - - writeb(0x07, io_base+0x803); /* route CSC irq though ExCA and enable IRQ7 */ - writel(0, io_base+0x10); /* CLKRUN default */ - writel(0, io_base+0x20); /* CLKRUN default */ - -} - - -static struct pci_config_table pci_sc520_spunk_config_table[] = { - { 0x104c, 0xac50, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, - { 0x104c, 0xac56, PCI_ANY_ID, 0, 0x0a, 0, pci_sc520_spunk_configure_cardbus, { 0, 0, 0} }, - { 0, 0, 0, 0, 0, 0, NULL, {0,0,0}} -}; - -static struct pci_controller sc520_spunk_hose = { - fixup_irq: pci_sc520_spunk_fixup_irq, - config_table: pci_sc520_spunk_config_table, - first_busno: 0x00, - last_busno: 0xff, -}; - -void pci_init_board(void) -{ - pci_sc520_init(&sc520_spunk_hose); -} - -/* - * This function should map a chunk of size bytes - * of the system address space to the ISA bus - * - * The function will return the memory address - * as seen by the host (which may very will be the - * same as the bus address) - */ -u32 isa_map_rom(u32 bus_addr, int size) -{ - u32 par; - - printf("isa_map_rom asked to map %d bytes at %x\n", - size, bus_addr); - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 12; - par--; - par&=0x7f; - par <<= 18; - par |= (bus_addr>>12); - par |= 0x50000000; - - printf ("setting PAR11 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[11] = par; - - return bus_addr; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void isa_unmap_rom(u32 addr) -{ - printf("isa_unmap_rom asked to unmap %x", addr); - if ((addr>>12) == (sc520_mmcr->par[11] & 0x3ffff)) { - sc520_mmcr->par[11] = 0; - printf(" done\n"); - return; - } - printf(" not ours\n"); -} - -#define PCI_ROM_TEMP_SPACE 0x10000 -/* - * This function should map a chunk of size bytes - * of the system address space to the PCI bus, - * suitable to map PCI ROMS (bus address < 16M) - * the function will return the host memory address - * which should be converted into a bus address - * before used to configure the PCI rom address - * decoder - */ -u32 pci_get_rom_window(struct pci_controller *hose, int size) -{ - u32 par; - - par = size; - if (par < 0x80000) { - par = 0x80000; - } - par >>= 16; - par--; - par&=0x7ff; - par <<= 14; - par |= (PCI_ROM_TEMP_SPACE>>16); - par |= 0x72000000; - - printf ("setting PAR1 to %x\n", par); - - /* Map rom 0x10000 with PAR1 */ - sc520_mmcr->par[1] = par; - - return PCI_ROM_TEMP_SPACE; -} - -/* - * this function removed any mapping created - * with pci_get_rom_window() - */ -void pci_remove_rom_window(struct pci_controller *hose, u32 addr) -{ - printf("pci_remove_rom_window: %x", addr); - if (addr == PCI_ROM_TEMP_SPACE) { - sc520_mmcr->par[1] = 0; - printf(" done\n"); - return; - } - printf(" not ours\n"); - -} - -/* - * This function is called in order to provide acces to the - * legacy video I/O ports on the PCI bus. - * After this function accesses to I/O ports 0x3b0-0x3bb and - * 0x3c0-0x3df shuld result in transactions on the PCI bus. - * - */ -int pci_enable_legacy_video_ports(struct pci_controller *hose) -{ - /* Map video memory to 0xa0000*/ - sc520_mmcr->par[0] = 0x7200400a; - - /* forward all I/O accesses to PCI */ - sc520_mmcr->adddecctl = sc520_mmcr->adddecctl | IO_HOLE_DEST_PCI; - - - /* so we map away all io ports to pci (only way to access pci io - * below 0x400. But then we have to map back the portions that we dont - * use so that the generate cycles on the GPIO bus where the sio and - * ISA slots are connected, this requre the use of several PAR registers - */ - - /* bring 0x100 - 0x2f7 back to ISA using PAR5 */ - sc520_mmcr->par[5] = 0x31f70100; - - /* com2 use 2f8-2ff */ - - /* bring 0x300 - 0x3af back to ISA using PAR7 */ - sc520_mmcr->par[7] = 0x30af0300; - - /* vga use 3b0-3bb */ - - /* bring 0x3bc - 0x3bf back to ISA using PAR8 */ - sc520_mmcr->par[8] = 0x300303bc; - - /* vga use 3c0-3df */ - - /* bring 0x3e0 - 0x3f7 back to ISA using PAR9 */ - sc520_mmcr->par[9] = 0x301703e0; - - /* com1 use 3f8-3ff */ - - return 0; -} diff --git a/board/sc520_spunk/u-boot.lds b/board/sc520_spunk/u-boot.lds deleted file mode 100644 index efb570b..0000000 --- a/board/sc520_spunk/u-boot.lds +++ /dev/null @@ -1,92 +0,0 @@ - -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, daniel@omicron.se. - * - * 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 - */ - -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) - -SECTIONS -{ - . = 0x387c0000; /* Where bootcode in the flash is mapped */ - .text : { *(.text); } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = 0x400000; /* Ram data segment to use */ - _i386boot_romdata_dest = ABSOLUTE(.); - .data : AT ( LOADADDR(.rodata) + SIZEOF(.rodata) ) { *(.data) } - _i386boot_romdata_start = LOADADDR(.data); - - . = ALIGN(4); - .got : AT ( LOADADDR(.data) + SIZEOF(.data) ) { *(.got) } - _i386boot_romdata_size = SIZEOF(.data) + SIZEOF(.got); - - - . = ALIGN(4); - _i386boot_bss_start = ABSOLUTE(.); - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _i386boot_bss_size = SIZEOF(.bss); - - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - - /* 16bit realmode trampoline code */ - .realmode 0x7c0 : AT ( LOADADDR(.got) + SIZEOF(.got) ) { *(.realmode) } - - _i386boot_realmode = LOADADDR(.realmode); - _i386boot_realmode_size = SIZEOF(.realmode); - - /* 16bit BIOS emulation code (just enough to boot Linux) */ - .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { *(.bios) } - - _i386boot_bios = LOADADDR(.bios); - _i386boot_bios_size = SIZEOF(.bios); - - - /* The load addresses below assumes that the flash - * will be mapped so that 0x387f0000 == 0xffff0000 - * at reset time - * - * The fe00 and ff00 offsets of the start32 and start16 - * segments are arbitrary, the just have to be mapped - * at reset and the code have to fit. - * The fff0 offset of resetvec is important, however. - */ - - - . = 0xfffffe00; - .start32 : AT (0x387ffe00) { *(.start32); } - - . = 0xff00; - .start16 : AT (0x387fff00) { *(.start16); } - - . = 0xfff0; - .resetvec : AT (0x387ffff0) { *(.resetvec); } - _i386boot_end = (LOADADDR(.resetvec) + SIZEOF(.resetvec) ); -} |