diff options
Diffstat (limited to 'board/pm520')
| -rw-r--r-- | board/pm520/Makefile | 47 | ||||
| -rw-r--r-- | board/pm520/config.mk | 31 | ||||
| -rw-r--r-- | board/pm520/flash.c | 545 | ||||
| -rw-r--r-- | board/pm520/pm520.c | 193 | ||||
| -rw-r--r-- | board/pm520/u-boot.lds | 122 |
5 files changed, 938 insertions, 0 deletions
diff --git a/board/pm520/Makefile b/board/pm520/Makefile new file mode 100644 index 0000000..8cf0d7d --- /dev/null +++ b/board/pm520/Makefile @@ -0,0 +1,47 @@ + +# +# (C) Copyright 2003-2004 +# 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 := $(BOARD).o flash.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +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) > $@ + +-include .depend + +######################################################################### diff --git a/board/pm520/config.mk b/board/pm520/config.mk new file mode 100644 index 0000000..ad689f3 --- /dev/null +++ b/board/pm520/config.mk @@ -0,0 +1,31 @@ +# +# (C) Copyright 2003-2004 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# PM520 board +# + +TEXT_BASE = 0xfff00000 +# TEXT_BASE = 0x00100000 + +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board diff --git a/board/pm520/flash.c b/board/pm520/flash.c new file mode 100644 index 0000000..4ea8b36 --- /dev/null +++ b/board/pm520/flash.c @@ -0,0 +1,545 @@ +/* + * (C) Copyright 2001 + * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net + * + * (C) Copyright 2001-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <linux/byteorder/swab.h> + + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ + +/* Board support for 1 or 2 flash devices */ +#define FLASH_PORT_WIDTH32 +#undef FLASH_PORT_WIDTH16 + +#ifdef FLASH_PORT_WIDTH16 +#define FLASH_PORT_WIDTH ushort +#define FLASH_PORT_WIDTHV vu_short +#define SWAP(x) (x) +#else +#define FLASH_PORT_WIDTH ulong +#define FLASH_PORT_WIDTHV vu_long +#define SWAP(x) (x) +#endif + +/* Intel-compatible flash ID */ +#define INTEL_COMPAT 0x00890089 +#define INTEL_ALT 0x00B000B0 + +/* Intel-compatible flash commands */ +#define INTEL_PROGRAM 0x00100010 +#define INTEL_ERASE 0x00200020 +#define INTEL_CLEAR 0x00500050 +#define INTEL_LOCKBIT 0x00600060 +#define INTEL_PROTECT 0x00010001 +#define INTEL_STATUS 0x00700070 +#define INTEL_READID 0x00900090 +#define INTEL_CONFIRM 0x00D000D0 +#define INTEL_RESET 0xFFFFFFFF + +/* Intel-compatible flash status bits */ +#define INTEL_FINISHED 0x00800080 +#define INTEL_OK 0x00800080 + +#define FPW FLASH_PORT_WIDTH +#define FPWV FLASH_PORT_WIDTHV + +#define mb() __asm__ __volatile__ ("" : : : "memory") + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size (FPW *addr, flash_info_t *info); +static int write_data (flash_info_t *info, ulong dest, FPW data); +static void flash_get_offsets (ulong base, flash_info_t *info); +void inline spin_wheel (void); + +/*----------------------------------------------------------------------- + */ + +unsigned long flash_init (void) +{ + int i; + ulong size = 0; + + for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) { + switch (i) { + case 0: + flash_get_size ((FPW *) CFG_FLASH_BASE, &flash_info[i]); + flash_get_offsets (CFG_FLASH_BASE, &flash_info[i]); + break; + default: + panic ("configured to many flash banks!\n"); + break; + } + size += flash_info[i].size; + } + + /* Protect monitor and environment sectors + */ + flash_protect ( FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, + &flash_info[0] ); + + flash_protect ( FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0] ); + + return size; +} + +/*----------------------------------------------------------------------- + */ +static void flash_get_offsets (ulong base, flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + return; + } + + if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { + for (i = 0; i < info->sector_count; i++) { + info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); + info->protect[i] = 0; + } + } +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t *info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_INTEL: + printf ("INTEL "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_28F128J3A: + printf ("28F128J3A\n"); + break; + + case FLASH_28F640J3A: + printf ("28F640J3A\n"); + break; + + case FLASH_28F320J3A: + printf ("28F320J3A\n"); + break; + + default: + printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " "); + } + printf ("\n"); + return; +} + +/* + * The following code cannot be run from FLASH! + */ +static ulong flash_get_size (FPW *addr, flash_info_t *info) +{ + volatile FPW value; + + /* Write auto select command: read Manufacturer ID */ + addr[0x5555] = (FPW) 0x00AA00AA; + addr[0x2AAA] = (FPW) 0x00550055; + addr[0x5555] = (FPW) 0x00900090; + + mb (); + value = addr[0]; + + switch (value) { + + case (FPW) INTEL_MANUFACT: + info->flash_id = FLASH_MAN_INTEL; + break; + + default: + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + return (0); /* no or unknown flash */ + } + + mb (); + value = addr[1]; /* device ID */ + + switch (value) { + + case (FPW) INTEL_ID_28F128J3A: + info->flash_id += FLASH_28F128J3A; + info->sector_count = 128; + info->size = 0x02000000; + break; /* => 32 MB */ + + case (FPW) INTEL_ID_28F640J3A: + info->flash_id += FLASH_28F640J3A; + info->sector_count = 64; + info->size = 0x01000000; + break; /* => 16 MB */ + + case (FPW) INTEL_ID_28F320J3A: + info->flash_id += FLASH_28F320J3A; + info->sector_count = 32; + info->size = 0x00800000; + break; /* => 8 MB */ + + default: + info->flash_id = FLASH_UNKNOWN; + break; + } + + if (info->sector_count > CFG_MAX_FLASH_SECT) { + printf ("** ERROR: sector count %d > max (%d) **\n", + info->sector_count, CFG_MAX_FLASH_SECT); + info->sector_count = CFG_MAX_FLASH_SECT; + } + + addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ + + return (info->size); +} + + +/*----------------------------------------------------------------------- + */ + +int flash_erase (flash_info_t *info, int s_first, int s_last) +{ + int flag, prot, sect; + ulong type, start, last; + int rcode = 0; + + 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; + } + + type = (info->flash_id & FLASH_VENDMASK); + if ((type != FLASH_MAN_INTEL)) { + printf ("Can't erase unknown flash type %08lx - aborted\n", + info->flash_id); + return 1; + } + + prot = 0; + for (sect = s_first; sect <= s_last; ++sect) { + if (info->protect[sect]) { + prot++; + } + } + + if (prot) { + printf ("- Warning: %d protected sectors will not be erased!\n", + prot); + } else { + printf ("\n"); + } + + start = get_timer (0); + last = start; + + /* 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 */ + FPWV *addr = (FPWV *) (info->start[sect]); + FPW status; + + printf ("Erasing sector %2d ... ", sect); + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + *addr = (FPW) 0x00500050; /* clear status register */ + *addr = (FPW) 0x00200020; /* erase setup */ + *addr = (FPW) 0x00D000D0; /* erase confirm */ + + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer(start) > CFG_FLASH_ERASE_TOUT) { + printf ("Timeout\n"); + *addr = (FPW) 0x00B000B0; /* suspend erase */ + *addr = (FPW) 0x00FF00FF; /* reset to read mode */ + rcode = 1; + break; + } + } + + *addr = 0x00500050; /* clear status register cmd. */ + *addr = 0x00FF00FF; /* resest to read mode */ + + printf (" done\n"); + } + } + return rcode; +} + +/*----------------------------------------------------------------------- + * Copy memory to flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + * 4 - Flash not identified + */ + +int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt) +{ + ulong cp, wp; + FPW data; + int count, i, l, rc, port_width; + + if (info->flash_id == FLASH_UNKNOWN) { + return 4; + } +/* get lower word aligned address */ +#ifdef FLASH_PORT_WIDTH16 + wp = (addr & ~1); + port_width = 2; +#else + wp = (addr & ~3); + port_width = 4; +#endif + + /* + * handle unaligned start bytes + */ + if ((l = addr - wp) != 0) { + data = 0; + for (i = 0, cp = wp; i < l; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + for (; i < port_width && cnt > 0; ++i) { + data = (data << 8) | *src++; + --cnt; + ++cp; + } + for (; cnt == 0 && i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + } + + /* + * handle word aligned part + */ + count = 0; + while (cnt >= port_width) { + data = 0; + for (i = 0; i < port_width; ++i) { + data = (data << 8) | *src++; + } + if ((rc = write_data (info, wp, SWAP (data))) != 0) { + return (rc); + } + wp += port_width; + cnt -= port_width; + if (count++ > 0x800) { + spin_wheel (); + count = 0; + } + } + + if (cnt == 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + data = 0; + for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { + data = (data << 8) | *src++; + --cnt; + } + for (; i < port_width; ++i, ++cp) { + data = (data << 8) | (*(uchar *) cp); + } + + return (write_data (info, wp, SWAP (data))); +} + +/*----------------------------------------------------------------------- + * Write a word or halfword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_data (flash_info_t *info, ulong dest, FPW data) +{ + FPWV *addr = (FPWV *) dest; + ulong status; + ulong start; + int flag; + + /* Check if Flash is (sufficiently) erased */ + if ((*addr & data) != data) { + printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr); + return (2); + } + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + *addr = (FPW) 0x00400040; /* write setup */ + *addr = data; + + /* arm simple, non interrupt dependent timer */ + start = get_timer(0); + + /* wait while polling the status register */ + while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { + if (get_timer(start) > CFG_FLASH_WRITE_TOUT) { + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + return (1); + } + } + + *addr = (FPW) 0x00FF00FF; /* restore read mode */ + + return (0); +} + +void inline spin_wheel (void) +{ + static int p = 0; + static char w[] = "\\/-"; + + printf ("\010%c", w[p]); + (++p == 3) ? (p = 0) : 0; +} + +/*----------------------------------------------------------------------- + * Set/Clear sector's lock bit, returns: + * 0 - OK + * 1 - Error (timeout, voltage problems, etc.) + */ +int flash_real_protect(flash_info_t *info, long sector, int prot) +{ + ulong start; + int i; + int rc = 0; + vu_long *addr = (vu_long *)(info->start[sector]); + int flag = disable_interrupts(); + + *addr = INTEL_CLEAR; /* Clear status register */ + if (prot) { /* Set sector lock bit */ + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + } + else { /* Clear sector lock bit */ + *addr = INTEL_LOCKBIT; /* All sectors lock bits */ + *addr = INTEL_CONFIRM; /* clear */ + } + + start = get_timer(0); + + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) { + if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) { + printf("Flash lock bit operation timed out\n"); + rc = 1; + break; + } + } + + if (*addr != INTEL_OK) { + printf("Flash lock bit operation failed at %08X, CSR=%08X\n", + (uint)addr, (uint)*addr); + rc = 1; + } + + if (!rc) + info->protect[sector] = prot; + + /* + * Clear lock bit command clears all sectors lock bits, so + * we have to restore lock bits of protected sectors. + */ + if (!prot) + { + for (i = 0; i < info->sector_count; i++) + { + if (info->protect[i]) + { + start = get_timer(0); + addr = (vu_long *)(info->start[i]); + *addr = INTEL_LOCKBIT; /* Sector lock bit */ + *addr = INTEL_PROTECT; /* set */ + while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) + { + if (get_timer(start) > CFG_FLASH_UNLOCK_TOUT) + { + printf("Flash lock bit operation timed out\n"); + rc = 1; + break; + } + } + } + } + } + + if (flag) + enable_interrupts(); + + *addr = INTEL_RESET; /* Reset to read array mode */ + + return rc; +} diff --git a/board/pm520/pm520.c b/board/pm520/pm520.c new file mode 100644 index 0000000..bb0268f --- /dev/null +++ b/board/pm520/pm520.c @@ -0,0 +1,193 @@ +/* + * (C) Copyright 2003-2004 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <mpc5xxx.h> +#include <pci.h> + +#ifndef CFG_RAMBOOT +static long int dram_size(long int *base, long int maxsize) +{ + volatile long int *addr; + ulong cnt, val; + ulong save[32]; /* to make test non-destructive */ + unsigned char i = 0; + + for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) { + addr = base + cnt; /* pointer arith! */ + + save[i++] = *addr; + *addr = ~cnt; + } + + /* write 0 to base address */ + addr = base; + save[i] = *addr; + *addr = 0; + + /* check at base address */ + if ((val = *addr) != 0) { + *addr = save[i]; + return (0); + } + + for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) { + addr = base + cnt; /* pointer arith! */ + + val = *addr; + *addr = save[--i]; + + if (val != (~cnt)) { + return (cnt * sizeof (long)); + } + } + return (maxsize); +} + +static void sdram_start (int hi_addr) +{ + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + + /* unlock mode register */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0000 | hi_addr_bit; + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002 | hi_addr_bit; + /* set mode register */ +#if defined(CONFIG_MPC5200) + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x408d0000; +#elif defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000; +#endif + /* precharge all banks */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0002 | hi_addr_bit; + /* auto refresh */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0xd04f0004 | hi_addr_bit; + /* set mode register */ + *(vu_long *)MPC5XXX_SDRAM_MODE = 0x008d0000; + /* normal operation */ + *(vu_long *)MPC5XXX_SDRAM_CTRL = 0x504f0000 | hi_addr_bit; +} +#endif + +long int initdram (int board_type) +{ + ulong dramsize = 0; +#ifndef CFG_RAMBOOT + ulong test1, test2; + + /* configure SDRAM start/end */ +#if defined(CONFIG_MPC5200) + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001e;/* 2G at 0x0 */ + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000;/* disabled */ + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xc2233a00; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x88b70004; + +#elif defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_SDRAM_START = 0x00000000; + *(vu_long *)MPC5XXX_SDRAM_STOP = 0x0000ffff;/* 2G */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ + + /* setup config registers */ + *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = 0xc2222600; + *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = 0x88b70004; + + /* address select register */ + *(vu_long *)MPC5XXX_SDRAM_XLBSEL = 0x03000000; +#endif + sdram_start(0); + test1 = dram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); + sdram_start(1); + test2 = dram_size((ulong *)CFG_SDRAM_BASE, 0x80000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else { + dramsize = test2; + } +#if defined(CONFIG_MPC5200) + *(vu_long *)MPC5XXX_SDRAM_CS0CFG = + (0x13 + __builtin_ffs(dramsize >> 20) - 1); + *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ +#elif defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15); +#endif + +#else +#ifdef CONFIG_MGT5100 + *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */ + dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15); +#else + dramsize = ((1 << (*(vu_long *)MPC5XXX_SDRAM_CS0CFG - 0x13)) << 20); +#endif +#endif /* CFG_RAMBOOT */ + /* return total ram size */ + return dramsize; +} + +int checkboard (void) +{ +#if defined(CONFIG_MPC5200) + puts ("Board: MicroSys PM520 \n"); +#elif defined(CONFIG_MGT5100) + puts ("Board: MicroSys PM510 \n"); +#endif + return 0; +} + +void flash_preinit(void) +{ + /* + * Now, when we are in RAM, enable flash write + * access for detection process. + * Note that CS_BOOT cannot be cleared when + * executing in flash. + */ +#if defined(CONFIG_MGT5100) + *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */ + *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */ +#endif + *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ +} + +void flash_afterinit(ulong size) +{ + if (size == 0x800000) { /* adjust mapping */ + *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START = + START_REG(CFG_BOOTCS_START | size); + *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP = + STOP_REG(CFG_BOOTCS_START | size, size); + } +} + +#ifdef CONFIG_PCI +static struct pci_controller hose; + +extern void pci_mpc5xxx_init(struct pci_controller *); + +void pci_init_board(void) +{ + pci_mpc5xxx_init(&hose); +} +#endif diff --git a/board/pm520/u-boot.lds b/board/pm520/u-boot.lds new file mode 100644 index 0000000..672a250 --- /dev/null +++ b/board/pm520/u-boot.lds @@ -0,0 +1,122 @@ +/* + * (C) Copyright 2003-2004 + * 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_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc5xxx/start.o (.text) + *(.text) + *(.fixup) + *(.got1) + . = ALIGN(16); + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x0FFF) & 0xFFFFF000; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(4096); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(4096); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |