From ba94a1bba3600d387edba7eb451990d9891e1c2f Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Tue, 30 May 2006 15:56:48 +0200 Subject: * Update Intel IXP4xx support - Add IXP4xx NPE ethernet MAC support - Add support for Intel IXDPG425 board - Add support for Prodrive PDNB3 board - Add IRQ support Patch by Stefan Roese, 23 May 2006 [This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still sufferes from licensing issues. Blame Intel.] --- board/ixdp425/Makefile | 2 +- board/ixdp425/config.mk | 4 +- board/ixdp425/ixdp425.c | 66 ++++- board/prodrive/common/flash.c | 556 ++++++++++++++++++++++++++++++++++++++++ board/prodrive/common/fpga.c | 183 +++++++++++++ board/prodrive/pdnb3/Makefile | 46 ++++ board/prodrive/pdnb3/config.mk | 4 + board/prodrive/pdnb3/flash.c | 85 ++++++ board/prodrive/pdnb3/nand.c | 171 ++++++++++++ board/prodrive/pdnb3/pdnb3.c | 249 ++++++++++++++++++ board/prodrive/pdnb3/u-boot.lds | 56 ++++ 11 files changed, 1411 insertions(+), 11 deletions(-) create mode 100644 board/prodrive/common/flash.c create mode 100644 board/prodrive/common/fpga.c create mode 100644 board/prodrive/pdnb3/Makefile create mode 100644 board/prodrive/pdnb3/config.mk create mode 100644 board/prodrive/pdnb3/flash.c create mode 100644 board/prodrive/pdnb3/nand.c create mode 100644 board/prodrive/pdnb3/pdnb3.c create mode 100644 board/prodrive/pdnb3/u-boot.lds (limited to 'board') diff --git a/board/ixdp425/Makefile b/board/ixdp425/Makefile index e4282c43a..59d6964a4 100644 --- a/board/ixdp425/Makefile +++ b/board/ixdp425/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = lib$(BOARD).a -OBJS := ixdp425.o flash.o +OBJS := ixdp425.o $(LIB): $(OBJS) $(SOBJS) $(AR) crv $@ $^ diff --git a/board/ixdp425/config.mk b/board/ixdp425/config.mk index 9f616f358..34205864c 100644 --- a/board/ixdp425/config.mk +++ b/board/ixdp425/config.mk @@ -1,2 +1,4 @@ -#TEXT_BASE = 0x00100000 TEXT_BASE = 0x00f80000 + +# include NPE ethernet driver +BOARDLIBS = cpu/ixp/npe/libnpe.a diff --git a/board/ixdp425/ixdp425.c b/board/ixdp425/ixdp425.c index aa9659145..eaf7cdefe 100644 --- a/board/ixdp425/ixdp425.c +++ b/board/ixdp425/ixdp425.c @@ -1,4 +1,7 @@ /* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * * (C) Copyright 2002 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net * @@ -25,24 +28,21 @@ * MA 02111-1307 USA */ -#include #include +#include +#include +#include DECLARE_GLOBAL_DATA_PTR; /* * Miscelaneous platform dependent initialisations */ - -/**********************************************************/ - int board_post_init (void) { return (0); } -/**********************************************************/ - int board_init (void) { /* arch number of IXDP */ @@ -51,10 +51,58 @@ int board_init (void) /* adress of boot parameters */ gd->bd->bi_boot_params = 0x00000100; +#ifdef CONFIG_IXDPG425 + /* arch number of IXDP */ + gd->bd->bi_arch_number = MACH_TYPE_IXDPG425; + + /* + * Get realtek RTL8305 switch and SLIC out of reset + */ + GPIO_OUTPUT_SET(CFG_GPIO_SWITCH_RESET_N); + GPIO_OUTPUT_ENABLE(CFG_GPIO_SWITCH_RESET_N); + GPIO_OUTPUT_SET(CFG_GPIO_SLIC_RESET_N); + GPIO_OUTPUT_ENABLE(CFG_GPIO_SLIC_RESET_N); + + /* + * Setup GPIO's for PCI INTA & INTB + */ + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA_N); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA_N); + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB_N); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB_N); + + /* + * Setup GPIO's for 33MHz clock output + */ + *IXP425_GPIO_GPCLKR = 0x01FF01FF; + GPIO_OUTPUT_ENABLE(CFG_GPIO_PCI_CLK); + GPIO_OUTPUT_ENABLE(CFG_GPIO_EXTBUS_CLK); +#endif + return 0; } -/**********************************************************/ +/* + * Check Board Identity + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + +#ifdef CONFIG_IXDPG425 + puts("Board: IXDPG425 - Intel Network Gateway Reference Platform"); +#else + puts("Board: IXDP425 - Intel Development Platform"); +#endif + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return (0); +} int dram_init (void) { @@ -64,8 +112,7 @@ int dram_init (void) return (0); } -/**********************************************************/ - +#if (CONFIG_COMMANDS & CFG_CMD_PCI) || defined(CONFIG_PCI) extern struct pci_controller hose; extern void pci_ixp_init(struct pci_controller * hose); @@ -75,3 +122,4 @@ void pci_init_board(void) pci_ixp_init(&hose); } +#endif diff --git a/board/prodrive/common/flash.c b/board/prodrive/common/flash.c new file mode 100644 index 000000000..8630cc166 --- /dev/null +++ b/board/prodrive/common/flash.c @@ -0,0 +1,556 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* + * Functions + */ +static int write_word(flash_info_t *info, ulong dest, ulong data); + +void flash_print_info(flash_info_t *info) +{ + int i; + int k; + int size; + int erased; + volatile unsigned long *flash; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: printf ("AMD "); break; + case FLASH_MAN_FUJ: printf ("FUJITSU "); break; + case FLASH_MAN_SST: printf ("SST "); break; + case FLASH_MAN_EXCEL: printf ("Excel Semiconductor "); break; + default: printf ("Unknown Vendor "); break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n"); + break; + case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n"); + break; + case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n"); + break; + case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n"); + break; + case FLASH_AM320T: printf ("AM29LV320T (32 M, top sector)\n"); + break; + case FLASH_AM320B: printf ("AM29LV320B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL322T: printf ("AM29DL322T (32 M, top sector)\n"); + break; + case FLASH_AMDL322B: printf ("AM29DL322B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL323T: printf ("AM29DL323T (32 M, top sector)\n"); + break; + case FLASH_AMDL323B: printf ("AM29DL323B (32 M, bottom sector)\n"); + break; + case FLASH_SST020: printf ("SST39LF/VF020 (2 Mbit, uniform sector size)\n"); + break; + case FLASH_SST040: printf ("SST39LF/VF040 (4 Mbit, uniform sector size)\n"); + break; + default: printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i=0; isector_count; ++i) { +#ifdef CFG_FLASH_EMPTY_INFO + /* + * Check if whole sector is erased + */ + if (i != (info->sector_count-1)) + size = info->start[i+1] - info->start[i]; + else + size = info->start[0] + info->size - info->start[i]; + erased = 1; + flash = (volatile unsigned long *)info->start[i]; + size = size >> 2; /* divide by 4 for longword access */ + for (k=0; kstart[i], + erased ? " E" : " ", + info->protect[i] ? "RO " : " "); +#else + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); +#endif + + } + printf ("\n"); + return; +} + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size(vu_long *addr, flash_info_t *info) +{ + short i; + short n; + CFG_FLASH_WORD_SIZE value; + ulong base = (ulong)addr; + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)addr; + + /* Write auto select command: read Manufacturer ID */ + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00900090; + + value = addr2[CFG_FLASH_READ0]; + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case (CFG_FLASH_WORD_SIZE)FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + case (CFG_FLASH_WORD_SIZE)SST_MANUFACT: + info->flash_id = FLASH_MAN_SST; + break; + case (CFG_FLASH_WORD_SIZE)EXCEL_MANUFACT: + info->flash_id = FLASH_MAN_EXCEL; + break; + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); /* no or unknown flash */ + } + + value = addr2[CFG_FLASH_READ1]; /* device ID */ + + switch (value) { + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400T: + info->flash_id += FLASH_AM400T; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV400B: + info->flash_id += FLASH_AM400B; + info->sector_count = 11; + info->size = 0x00080000; + break; /* => 0.5 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00100000; + break; /* => 1 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00200000; + break; /* => 2 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320T: + info->flash_id += FLASH_AM320T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_LV320B: + info->flash_id += FLASH_AM320B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322T: + info->flash_id += FLASH_AMDL322T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL322B: + info->flash_id += FLASH_AMDL322B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323T: + info->flash_id += FLASH_AMDL323T; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x00400000; break; /* => 4 MB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF020: + info->flash_id += FLASH_SST020; + info->sector_count = 64; + info->size = 0x00040000; + break; /* => 256 kB */ + + case (CFG_FLASH_WORD_SIZE)SST_ID_xF040: + info->flash_id += FLASH_SST040; + info->sector_count = 128; + info->size = 0x00080000; + break; /* => 512 kB */ + + default: + info->flash_id = FLASH_UNKNOWN; + return (0); /* => no or unknown flash */ + + } + + /* set up sector start address table */ + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + for (i = 0; i < info->sector_count; i++) + info->start[i] = base + (i * 0x00001000); + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320B) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324B)) { + /* set sector offsets for bottom boot block type */ + for (i=0; i<8; ++i) { /* 8 x 8k boot sectors */ + info->start[i] = base; + base += 8 << 10; + } + while (i < info->sector_count) { /* 64k regular sectors */ + info->start[i] = base; + base += 64 << 10; + ++i; + } + } else if (((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL322T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL323T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM320T) || + ((info->flash_id & FLASH_TYPEMASK) == FLASH_AMDL324T)) { + /* set sector offsets for top boot block type */ + base += info->size; + i = info->sector_count; + for (n=0; n<8; ++n) { /* 8 x 8k boot sectors */ + base -= 8 << 10; + --i; + info->start[i] = base; + } + while (i > 0) { /* 64k regular sectors */ + base -= 64 << 10; + --i; + info->start[i] = base; + } + } else { + if (info->flash_id & FLASH_BTYPE) { + /* set sector offsets for bottom boot block type */ + info->start[0] = base + 0x00000000; + info->start[1] = base + 0x00004000; + info->start[2] = base + 0x00006000; + info->start[3] = base + 0x00008000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = base + (i * 0x00010000) - 0x00030000; + } + } else { + /* set sector offsets for top boot block type */ + i = info->sector_count - 1; + info->start[i--] = base + info->size - 0x00004000; + info->start[i--] = base + info->size - 0x00006000; + info->start[i--] = base + info->size - 0x00008000; + for (; i >= 0; i--) { + info->start[i] = base + i * 0x00010000; + } + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + /* D0 = 1 if protected */ + addr2 = (volatile CFG_FLASH_WORD_SIZE *)(info->start[i]); + if ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_AMD) + info->protect[i] = 0; + else + info->protect[i] = addr2[CFG_FLASH_READ2] & 1; + } + + /* + * Prevent writes to uninitialized FLASH. + */ + if (info->flash_id != FLASH_UNKNOWN) { + addr2 = (CFG_FLASH_WORD_SIZE *)info->start[0]; + *addr2 = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + } + + return (info->size); +} + + +int flash_erase(flash_info_t *info, int s_first, int s_last) +{ + volatile CFG_FLASH_WORD_SIZE *addr = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *addr2; + int flag, prot, sect, l_sect; + ulong start, now, last; + + if ((s_first < 0) || (s_first > s_last)) { + if (info->flash_id == FLASH_UNKNOWN) + printf ("- missing\n"); + else + printf ("- no sectors to erase\n"); + return 1; + } + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("Can't erase unknown flash type - aborted\n"); + return 1; + } + + prot = 0; + for (sect=s_first; sect<=s_last; ++sect) + if (info->protect[sect]) + prot++; + + if (prot) + printf ("- Warning: %d protected sectors will not be erased!\n", prot); + else + printf ("\n"); + + l_sect = -1; + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect<=s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[sect]); + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + + /* re-enable interrupts if necessary */ + if (flag) { + enable_interrupts(); + flag = 0; + } + + /* data polling for D7 */ + start = get_timer (0); + while ((addr2[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != + (CFG_FLASH_WORD_SIZE)0x00800080) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + } else { + if (sect == s_first) { + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00800080; + addr[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + } + addr2[0] = (CFG_FLASH_WORD_SIZE)0x00300030; /* sector erase */ + } + l_sect = sect; + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* wait at least 80us - let's wait 1 ms */ + udelay (1000); + + /* + * We wait for the last triggered sector + */ + if (l_sect < 0) + goto DONE; + + start = get_timer (0); + last = start; + addr = (CFG_FLASH_WORD_SIZE *)(info->start[l_sect]); + while ((addr[0] & (CFG_FLASH_WORD_SIZE)0x00800080) != (CFG_FLASH_WORD_SIZE)0x00800080) { + if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + return 1; + } + /* show that we're waiting */ + if ((now - last) > 1000) { /* every second */ + putc ('.'); + last = now; + } + } + +DONE: + /* reset to read mode */ + addr = (CFG_FLASH_WORD_SIZE *)info->start[0]; + addr[0] = (CFG_FLASH_WORD_SIZE)0x00F000F0; /* reset bank */ + + printf (" done\n"); + return 0; +} + +/* + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp, data; + int i, l, rc; + + wp = (addr & ~3); /* get lower word aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i=0, cp=wp; i0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt==0 && i<4; ++i, ++cp) { + data = (data << 8) | (*(uchar *)cp); + } + + if ((rc = write_word(info, wp, data)) != 0) { + return (rc); + } + wp += 4; + } + + /* + * handle word aligned part + */ + while (cnt >= 4) { + data = 0; + for (i=0; i<4; ++i) + data = (data << 8) | *src++; + if ((rc = write_word(info, wp, data)) != 0) + return (rc); + wp += 4; + cnt -= 4; + } + + if (cnt == 0) + return (0); + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i<4; ++i, ++cp) + data = (data << 8) | (*(uchar *)cp); + + return (write_word(info, wp, data)); +} + +/* + * Write a word to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_word(flash_info_t *info, ulong dest, ulong data) +{ + volatile CFG_FLASH_WORD_SIZE *addr2 = (CFG_FLASH_WORD_SIZE *)(info->start[0]); + volatile CFG_FLASH_WORD_SIZE *dest2 = (CFG_FLASH_WORD_SIZE *)dest; + volatile CFG_FLASH_WORD_SIZE *data2 = (CFG_FLASH_WORD_SIZE *)&data; + ulong start; + int flag; + int i; + + /* Check if Flash is (sufficiently) erased */ + if ((*((vu_long *)dest) & data) != data) + return (2); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts(); + + for (i=0; i<4/sizeof(CFG_FLASH_WORD_SIZE); i++) { + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00AA00AA; + addr2[CFG_FLASH_ADDR1] = (CFG_FLASH_WORD_SIZE)0x00550055; + addr2[CFG_FLASH_ADDR0] = (CFG_FLASH_WORD_SIZE)0x00A000A0; + + dest2[i] = data2[i]; + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts(); + + /* data polling for D7 */ + start = get_timer (0); + while ((dest2[i] & (CFG_FLASH_WORD_SIZE)0x00800080) != + (data2[i] & (CFG_FLASH_WORD_SIZE)0x00800080)) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) + return (1); + } + } + + return (0); +} diff --git a/board/prodrive/common/fpga.c b/board/prodrive/common/fpga.c new file mode 100644 index 000000000..f9412a21e --- /dev/null +++ b/board/prodrive/common/fpga.c @@ -0,0 +1,183 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2001-2004 + * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * 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 +#include +#include + +/* ------------------------------------------------------------------------- */ + +#ifdef FPGA_DEBUG +#define DBG(x...) printf(x) +#else +#define DBG(x...) +#endif /* DEBUG */ + +#define FPGA_PRG CFG_FPGA_PRG /* FPGA program pin (cpu output)*/ +#define FPGA_CLK CFG_FPGA_CLK /* FPGA clk pin (cpu output) */ +#define FPGA_DATA CFG_FPGA_DATA /* FPGA data pin (cpu output) */ +#define FPGA_DONE CFG_FPGA_DONE /* FPGA done pin (cpu input) */ +#define FPGA_INIT CFG_FPGA_INIT /* FPGA init pin (cpu input) */ + +#define ERROR_FPGA_PRG_INIT_LOW -1 /* Timeout after PRG* asserted */ +#define ERROR_FPGA_PRG_INIT_HIGH -2 /* Timeout after PRG* deasserted */ +#define ERROR_FPGA_PRG_DONE -3 /* Timeout after programming */ + +#ifndef OLD_VAL +# define OLD_VAL 0 +#endif + +#if 0 /* test-only */ +#define FPGA_WRITE_1 { \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | FPGA_DATA); /* set clock to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | FPGA_DATA); /* set data to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set clock to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ + +#define FPGA_WRITE_0 { \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | FPGA_DATA); /* set clock to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | 0 ); /* set data to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | 0 ); /* set clock to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ +#else +#define FPGA_WRITE_1 { \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | FPGA_DATA); /* set data to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ + +#define FPGA_WRITE_0 { \ + SET_FPGA(OLD_VAL | FPGA_PRG | 0 | 0 ); /* set data to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_PRG | FPGA_CLK | 0 );} /* set data to 1 */ +#endif + +static int fpga_boot(unsigned char *fpgadata, int size) +{ + int i,index,len; + int count; + int j; + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = fpgadata[index]; + DBG("FPGA: %s\n", &(fpgadata[index+1])); + index += len+3; + } + + /* search for preamble 0xFFFFFFFF */ + while (1) { + if ((fpgadata[index] == 0xff) && (fpgadata[index+1] == 0xff) && + (fpgadata[index+2] == 0xff) && (fpgadata[index+3] == 0xff)) + break; /* preamble found */ + else + index++; + } + + DBG("FPGA: configdata starts at position 0x%x\n",index); + DBG("FPGA: length of fpga-data %d\n", size-index); + + /* + * Setup port pins for fpga programming + */ + SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set pins to high */ + + DBG("%s, ",(FPGA_DONE_STATE == 0) ? "NOT DONE" : "DONE" ); + DBG("%s\n",(FPGA_INIT_STATE == 0) ? "NOT INIT" : "INIT" ); + + /* + * Init fpga by asserting and deasserting PROGRAM* + */ + SET_FPGA(0 | FPGA_CLK | FPGA_DATA); /* set prog active */ + + /* Wait for FPGA init line low */ + count = 0; + while (FPGA_INIT_STATE) { + udelay(1000); /* wait 1ms */ + /* Check for timeout - 100us max, so use 3ms */ + if (count++ > 3) { + DBG("FPGA: Booting failed!\n"); + return ERROR_FPGA_PRG_INIT_LOW; + } + } + + DBG("%s, ",(FPGA_DONE_STATE == 0) ? "NOT DONE" : "DONE" ); + DBG("%s\n",(FPGA_INIT_STATE == 0) ? "NOT INIT" : "INIT" ); + + /* deassert PROGRAM* */ + SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set prog inactive */ + + /* Wait for FPGA end of init period . */ + count = 0; + while (!(FPGA_INIT_STATE)) { + udelay(1000); /* wait 1ms */ + /* Check for timeout */ + if (count++ > 3) { + DBG("FPGA: Booting failed!\n"); + return ERROR_FPGA_PRG_INIT_HIGH; + } + } + + DBG("%s, ",(FPGA_DONE_STATE == 0) ? "NOT DONE" : "DONE" ); + DBG("%s\n",(FPGA_INIT_STATE == 0) ? "NOT INIT" : "INIT" ); + + DBG("write configuration data into fpga\n"); + /* write configuration-data into fpga... */ + + /* + * Load uncompressed image into fpga + */ + for (i=index; i 3) { + DBG("FPGA: Booting failed!\n"); + return ERROR_FPGA_PRG_DONE; + } + } + + DBG("FPGA: Booting successful!\n"); + return 0; +} diff --git a/board/prodrive/pdnb3/Makefile b/board/prodrive/pdnb3/Makefile new file mode 100644 index 000000000..f3cd5a3f1 --- /dev/null +++ b/board/prodrive/pdnb3/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := flash.o pdnb3.o nand.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $^ + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ + +-include .depend + +######################################################################### diff --git a/board/prodrive/pdnb3/config.mk b/board/prodrive/pdnb3/config.mk new file mode 100644 index 000000000..6b0f18b30 --- /dev/null +++ b/board/prodrive/pdnb3/config.mk @@ -0,0 +1,4 @@ +TEXT_BASE = 0x01f00000 + +# include NPE ethernet driver +BOARDLIBS = cpu/ixp/npe/libnpe.a diff --git a/board/prodrive/pdnb3/flash.c b/board/prodrive/pdnb3/flash.c new file mode 100644 index 000000000..d0e5fe703 --- /dev/null +++ b/board/prodrive/pdnb3/flash.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include + +/* + * include common flash code (for esd boards) + */ +#include "../common/flash.c" + +/* + * Prototypes + */ +static ulong flash_get_size (vu_long * addr, flash_info_t * info); + +static inline ulong ld(ulong x) +{ + ulong k = 0; + + while (x >>= 1) + ++k; + + return k; +} + +unsigned long flash_init(void) +{ + unsigned long size; + int i; + + /* Init: no FLASHes known */ + for (i=0; i + +#if (CONFIG_COMMANDS & CFG_CMD_NAND) + +#include + +struct pdnb3_ndfc_regs { + uchar cmd; + uchar wait; + uchar addr; + uchar term; + uchar data; +}; + +static u8 hwctl; +static struct pdnb3_ndfc_regs *pdnb3_ndfc; + +#define readb(addr) *(volatile u_char *)(addr) +#define readl(addr) *(volatile u_long *)(addr) +#define writeb(d,addr) *(volatile u_char *)(addr) = (d) + +/* + * The PDNB3 has a NAND Flash Controller (NDFC) that handles all accesses to + * the NAND devices. The NDFC has command, address and data registers that + * when accessed will set up the NAND flash pins appropriately. We'll use the + * hwcontrol function to save the configuration in a global variable. + * We can then use this information in the read and write functions to + * determine which NDFC register to access. + * + * There is one NAND devices on the board, a Hynix HY27US08561A (32 MByte). + */ +static void pdnb3_nand_hwcontrol(struct mtd_info *mtd, int cmd) +{ + switch (cmd) { + case NAND_CTL_SETCLE: + hwctl |= 0x1; + break; + case NAND_CTL_CLRCLE: + hwctl &= ~0x1; + break; + + case NAND_CTL_SETALE: + hwctl |= 0x2; + break; + case NAND_CTL_CLRALE: + hwctl &= ~0x2; + break; + + case NAND_CTL_SETNCE: + break; + case NAND_CTL_CLRNCE: + writeb(0x00, &(pdnb3_ndfc->term)); + break; + } +} + +static void pdnb3_nand_write_byte(struct mtd_info *mtd, u_char byte) +{ + if (hwctl & 0x1) + writeb(byte, &(pdnb3_ndfc->cmd)); + else if (hwctl & 0x2) + writeb(byte, &(pdnb3_ndfc->addr)); + else + writeb(byte, &(pdnb3_ndfc->data)); +} + +static u_char pdnb3_nand_read_byte(struct mtd_info *mtd) +{ + return readb(&(pdnb3_ndfc->data)); +} + +static void pdnb3_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + int i; + + for (i = 0; i < len; i++) { + if (hwctl & 0x1) + writeb(buf[i], &(pdnb3_ndfc->cmd)); + else if (hwctl & 0x2) + writeb(buf[i], &(pdnb3_ndfc->addr)); + else + writeb(buf[i], &(pdnb3_ndfc->data)); + } +} + +static void pdnb3_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) +{ + int i; + + if (len % 4) { + for (i = 0; i < len; i++) + buf[i] = readb(&(pdnb3_ndfc->data)); + } else { + ulong *ptr = (ulong *)buf; + int count = len >> 2; + + for (i = 0; i < count; i++) + *ptr++ = readl(&(pdnb3_ndfc->data)); + } +} + +static int pdnb3_nand_verify_buf(struct mtd_info *mtd, const u_char *buf, int len) +{ + int i; + + for (i = 0; i < len; i++) + if (buf[i] != readb(&(pdnb3_ndfc->data))) + return i; + + return 0; +} + +static int pdnb3_nand_dev_ready(struct mtd_info *mtd) +{ + volatile u_char val; + + /* + * Blocking read to wait for NAND to be ready + */ + val = readb(&(pdnb3_ndfc->wait)); + + /* + * Return always true + */ + return 1; +} + +void board_nand_init(struct nand_chip *nand) +{ + pdnb3_ndfc = (struct pdnb3_ndfc_regs *)CFG_NAND_BASE; + + nand->eccmode = NAND_ECC_SOFT; + + /* Set address of NAND IO lines (Using Linear Data Access Region) */ + nand->IO_ADDR_R = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4); + nand->IO_ADDR_W = (void __iomem *) ((ulong) pdnb3_ndfc + 0x4); + /* Reference hardware control function */ + nand->hwcontrol = pdnb3_nand_hwcontrol; + /* Set command delay time */ + nand->hwcontrol = pdnb3_nand_hwcontrol; + nand->write_byte = pdnb3_nand_write_byte; + nand->read_byte = pdnb3_nand_read_byte; + nand->write_buf = pdnb3_nand_write_buf; + nand->read_buf = pdnb3_nand_read_buf; + nand->verify_buf = pdnb3_nand_verify_buf; + nand->dev_ready = pdnb3_nand_dev_ready; +} +#endif diff --git a/board/prodrive/pdnb3/pdnb3.c b/board/prodrive/pdnb3/pdnb3.c new file mode 100644 index 000000000..e2fed5d74 --- /dev/null +++ b/board/prodrive/pdnb3/pdnb3.c @@ -0,0 +1,249 @@ +/* + * (C) Copyright 2006 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +/* Prototypes */ +int gunzip(void *, int, unsigned char *, unsigned long *); +int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + +/* predefine these here for FPGA programming (before including fpga.c) */ +#define SET_FPGA(data) *IXP425_GPIO_GPOUTR = (data) +#define FPGA_DONE_STATE (*IXP425_GPIO_GPINR & CFG_FPGA_DONE) +#define FPGA_INIT_STATE (*IXP425_GPIO_GPINR & CFG_FPGA_INIT) +#define OLD_VAL old_val + +static unsigned long old_val = 0; + +/* + * include common fpga code (for prodrive boards) + */ +#include "../common/fpga.c" + +/* + * Miscelaneous platform dependent initialisations + */ +int board_post_init(void) +{ + return (0); +} + +int board_init(void) +{ + /* arch number of PDNB3 */ + gd->bd->bi_arch_number = MACH_TYPE_PDNB3; + + /* adress of boot parameters */ + gd->bd->bi_boot_params = 0x00000100; + + GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET); + GPIO_OUTPUT_ENABLE(CFG_GPIO_FPGA_RESET); + + GPIO_OUTPUT_SET(CFG_GPIO_SYS_RUNNING); + GPIO_OUTPUT_ENABLE(CFG_GPIO_SYS_RUNNING); + + /* + * Setup GPIO's for FPGA programming + */ + GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG); + GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK); + GPIO_OUTPUT_CLEAR(CFG_GPIO_DATA); + GPIO_OUTPUT_ENABLE(CFG_GPIO_PRG); + GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK); + GPIO_OUTPUT_ENABLE(CFG_GPIO_DATA); + GPIO_OUTPUT_DISABLE(CFG_GPIO_INIT); + GPIO_OUTPUT_DISABLE(CFG_GPIO_DONE); + + /* + * Setup GPIO's for interrupts + */ + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTA); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTA); + GPIO_OUTPUT_DISABLE(CFG_GPIO_PCI_INTB); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_PCI_INTB); + GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTORE_INT); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTORE_INT); + GPIO_OUTPUT_DISABLE(CFG_GPIO_RESTART_INT); + GPIO_INT_ACT_LOW_SET(CFG_GPIO_RESTART_INT); + + /* + * Setup GPIO's for 33MHz clock output + */ + *IXP425_GPIO_GPCLKR = 0x01FF0000; + GPIO_OUTPUT_ENABLE(CFG_GPIO_CLK_33M); + + /* + * Setup other chip select's + */ + *IXP425_EXP_CS1 = CFG_EXP_CS1; + + return 0; +} + +/* + * Check Board Identity + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + + puts("Board: PDNB3"); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return (0); +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return (0); +} + +int do_fpga_boot(unsigned char *fpgadata) +{ + unsigned char *dst; + int status; + int index; + int i; + ulong len = CFG_MALLOC_LEN; + + /* + * Setup GPIO's for FPGA programming + */ + GPIO_OUTPUT_CLEAR(CFG_GPIO_PRG); + GPIO_OUTPUT_CLEAR(CFG_GPIO_CLK); + GPIO_OUTPUT_CLEAR(CFG_GPIO_DATA); + + /* + * Save value so no readback is required upon programming + */ + old_val = *IXP425_GPIO_GPOUTR; + + /* + * First try to decompress fpga image (gzip compressed?) + */ + dst = malloc(CFG_FPGA_MAX_SIZE); + if (gunzip(dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, &len) != 0) { + printf("Error: Image has to be gzipp'ed!\n"); + return -1; + } + + status = fpga_boot(dst, len); + if (status != 0) { + printf("\nFPGA: Booting failed "); + switch (status) { + case ERROR_FPGA_PRG_INIT_LOW: + printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("FPGA: %s\n", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=5; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc('\n'); + do_reset(NULL, 0, 0, NULL); + } + + puts("FPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("%s ", &(dst[index+1])); + index += len+3; + } + putc('\n'); + + free(dst); + + /* + * Reset FPGA + */ + GPIO_OUTPUT_CLEAR(CFG_GPIO_FPGA_RESET); + udelay(10); + GPIO_OUTPUT_SET(CFG_GPIO_FPGA_RESET); + + return (0); +} + +int do_fpga(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + ulong addr; + + if (argc < 2) { + printf ("Usage:\n%s\n", cmdtp->usage); + return 1; + } + + addr = simple_strtoul(argv[1], NULL, 16); + + return do_fpga_boot((unsigned char *)addr); +} + +U_BOOT_CMD( + fpga, 2, 0, do_fpga, + "fpga - boot FPGA\n", + "address size\n - boot FPGA with gzipped image at
\n" +); + +#if (CONFIG_COMMANDS & CFG_CMD_PCI) || defined(CONFIG_PCI) +extern struct pci_controller hose; +extern void pci_ixp_init(struct pci_controller * hose); + +void pci_init_board(void) +{ + extern void pci_ixp_init (struct pci_controller *hose); + + pci_ixp_init(&hose); +} +#endif diff --git a/board/prodrive/pdnb3/u-boot.lds b/board/prodrive/pdnb3/u-boot.lds new file mode 100644 index 000000000..f05f09344 --- /dev/null +++ b/board/prodrive/pdnb3/u-boot.lds @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_FORMAT("elf32-bigarm", "elf32-bigarm", "elf32-bigarm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + . = 0x00000000; + + . = ALIGN(4); + .text : + { + cpu/ixp/start.o (.text) + *(.text) + } + + . = ALIGN(4); + .rodata : { *(.rodata) } + + . = ALIGN(4); + .data : { *(.data) } + + . = ALIGN(4); + .got : { *(.got) } + + . = .; + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + . = ALIGN(4); + __bss_start = .; + .bss : { *(.bss) } + _end = .; +} -- cgit v1.2.3