From f5e0d03970409feb3c77ab0107d5dece6b7d45c9 Mon Sep 17 00:00:00 2001 From: Heiko Schocher Date: Mon, 19 Jun 2006 11:02:41 +0200 Subject: [PATCH] Add support for wrPPMC7xx/74xx boards Patch from Richard Danter, 12 Aug 2005 --- CHANGELOG | 3 + CREDITS | 4 + MAKEALL | 2 +- Makefile | 3 + board/ppmc7xx/Makefile | 47 ++++ board/ppmc7xx/config.mk | 33 +++ board/ppmc7xx/flash.c | 494 ++++++++++++++++++++++++++++++++++++++ board/ppmc7xx/init.S | 336 ++++++++++++++++++++++++++ board/ppmc7xx/pci.c | 97 ++++++++ board/ppmc7xx/ppmc7xx.c | 104 ++++++++ board/ppmc7xx/u-boot.lds | 135 +++++++++++ cpu/74xx_7xx/cpu.c | 3 +- cpu/74xx_7xx/start.S | 3 +- drivers/pci.c | 2 +- include/configs/ppmc7xx.h | 419 ++++++++++++++++++++++++++++++++ include/ns16550.h | 22 ++ 16 files changed, 1703 insertions(+), 4 deletions(-) create mode 100644 board/ppmc7xx/Makefile create mode 100644 board/ppmc7xx/config.mk create mode 100644 board/ppmc7xx/flash.c create mode 100644 board/ppmc7xx/init.S create mode 100644 board/ppmc7xx/pci.c create mode 100644 board/ppmc7xx/ppmc7xx.c create mode 100644 board/ppmc7xx/u-boot.lds create mode 100644 include/configs/ppmc7xx.h diff --git a/CHANGELOG b/CHANGELOG index 8df0ee302b..8c3f13e052 100644 --- a/CHANGELOG +++ b/CHANGELOG @@ -2,6 +2,9 @@ Changes since U-Boot 1.1.4: ====================================================================== +* Add support for wrPPMC7xx/74xx boards + Patch from Richard Danter, 12 Aug 2005 + * Add support for gth2 board Patch by Thomas Lange, Aug 11 2005 diff --git a/CREDITS b/CREDITS index c35f07bbba..94153a796d 100644 --- a/CREDITS +++ b/CREDITS @@ -105,6 +105,10 @@ N: Magnus Damm E: damm@opensource.se D: 8xxrom +N: Richard Danter +E: richard.danter@windriver.com +D: Support for Wind River PPMC 7xx/74xx boards + N: George G. Davis E: gdavis@mvista.com D: Board ports for ADS GraphicsClient+ and Intel Assabet diff --git a/MAKEALL b/MAKEALL index 3eee3237e8..1b63767bd4 100755 --- a/MAKEALL +++ b/MAKEALL @@ -142,7 +142,7 @@ LIST_74xx=" \ " LIST_7xx=" \ - BAB7xx CPCI750 ELPPC \ + BAB7xx CPCI750 ELPPC ppmc7xx \ " LIST_ppc="${LIST_5xx} ${LIST_5xxx} \ diff --git a/Makefile b/Makefile index 9db3bf2071..e282b1f872 100644 --- a/Makefile +++ b/Makefile @@ -1452,6 +1452,9 @@ PCIPPC6_config: unconfig ZUMA_config: unconfig @./mkconfig $(@:_config=) ppc 74xx_7xx evb64260 +ppmc7xx_config: unconfig + @./mkconfig $(@:_config=) ppc 74xx_7xx ppmc7xx + #======================================================================== # ARM #======================================================================== diff --git a/board/ppmc7xx/Makefile b/board/ppmc7xx/Makefile new file mode 100644 index 0000000000..c378677cc6 --- /dev/null +++ b/board/ppmc7xx/Makefile @@ -0,0 +1,47 @@ +# +# (C) Copyright 2000 +# 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 := ppmc7xx.o pci.o flash.o +SOBJS := init.o + +$(LIB): .depend $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) $(SOBJS) + +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) > $@ + +-include .depend + +######################################################################### diff --git a/board/ppmc7xx/config.mk b/board/ppmc7xx/config.mk new file mode 100644 index 0000000000..bcb6c81153 --- /dev/null +++ b/board/ppmc7xx/config.mk @@ -0,0 +1,33 @@ +# +# (C) Copyright 2005 +# Richard Danter, Wind River Systems +# +# (C) Copyright 2000 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# +# + +TEXT_BASE = 0xFFF00000 +TEXT_END = 0xFFF40000 +PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) diff --git a/board/ppmc7xx/flash.c b/board/ppmc7xx/flash.c new file mode 100644 index 0000000000..1cbcadc15f --- /dev/null +++ b/board/ppmc7xx/flash.c @@ -0,0 +1,494 @@ +/* + * flash.c + * ------- + * + * Flash programming routines for the Wind River PPMC 74xx/7xx + * based on flash.c from the TQM8260 board. + * + * By Richard Danter (richard.danter@windriver.com) + * Copyright (C) 2005 Wind River Systems + */ + +#include +#include +#include <74xx_7xx.h> + +#define DWORD unsigned long long + +/* Local function prototypes */ +static int write_dword (flash_info_t* info, ulong dest, unsigned char *pdata); +static void write_via_fpu (volatile DWORD* addr, DWORD* data); + +flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; + +/*----------------------------------------------------------------------- + */ +void flash_reset (void) +{ + unsigned long msr; + DWORD cmd_reset = 0x00F000F000F000F0LL; + + if (flash_info[0].flash_id != FLASH_UNKNOWN) { + msr = get_msr (); + set_msr (msr | MSR_FP); + + write_via_fpu ((DWORD*)flash_info[0].start[0], &cmd_reset ); + + set_msr (msr); + } +} + +/*----------------------------------------------------------------------- + */ +ulong flash_get_size (ulong baseaddr, flash_info_t * info) +{ + int i; + unsigned long msr; + DWORD flashtest; + DWORD cmd_select[3] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL, + 0x0090009000900090LL }; + + /* Enable FPU */ + msr = get_msr (); + set_msr (msr | MSR_FP); + + /* Write auto-select command sequence */ + write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[0] ); + write_via_fpu ((DWORD*)(baseaddr + (0x02AA << 3)), &cmd_select[1] ); + write_via_fpu ((DWORD*)(baseaddr + (0x0555 << 3)), &cmd_select[2] ); + + /* Restore FPU */ + set_msr (msr); + + /* Read manufacturer ID */ + flashtest = *(volatile DWORD*)baseaddr; + switch ((int)flashtest) { + case AMD_MANUFACT: + info->flash_id = FLASH_MAN_AMD; + break; + case FUJ_MANUFACT: + info->flash_id = FLASH_MAN_FUJ; + break; + default: + /* No, faulty or unknown flash */ + info->flash_id = FLASH_UNKNOWN; + info->sector_count = 0; + info->size = 0; + return (0); + } + + /* Read device ID */ + flashtest = *(volatile DWORD*)(baseaddr + 8); + switch ((long)flashtest) { + case AMD_ID_LV800T: + info->flash_id += FLASH_AM800T; + info->sector_count = 19; + info->size = 0x00400000; + break; + case AMD_ID_LV800B: + info->flash_id += FLASH_AM800B; + info->sector_count = 19; + info->size = 0x00400000; + break; + case AMD_ID_LV160T: + info->flash_id += FLASH_AM160T; + info->sector_count = 35; + info->size = 0x00800000; + break; + case AMD_ID_LV160B: + info->flash_id += FLASH_AM160B; + info->sector_count = 35; + info->size = 0x00800000; + break; + case AMD_ID_DL322T: + info->flash_id += FLASH_AMDL322T; + info->sector_count = 71; + info->size = 0x01000000; + break; + case AMD_ID_DL322B: + info->flash_id += FLASH_AMDL322B; + info->sector_count = 71; + info->size = 0x01000000; + break; + case AMD_ID_DL323T: + info->flash_id += FLASH_AMDL323T; + info->sector_count = 71; + info->size = 0x01000000; + break; + case AMD_ID_DL323B: + info->flash_id += FLASH_AMDL323B; + info->sector_count = 71; + info->size = 0x01000000; + break; + case AMD_ID_LV640U: + info->flash_id += FLASH_AM640U; + info->sector_count = 128; + info->size = 0x02000000; + break; + default: + /* Unknown flash type */ + info->flash_id = FLASH_UNKNOWN; + return (0); + } + + if ((long)flashtest == AMD_ID_LV640U) { + /* set up sector start adress table (uniform sector type) */ + for (i = 0; i < info->sector_count; i++) + info->start[i] = baseaddr + (i * 0x00040000); + } else if (info->flash_id & FLASH_BTYPE) { + /* set up sector start adress table (bottom sector type) */ + info->start[0] = baseaddr + 0x00000000; + info->start[1] = baseaddr + 0x00010000; + info->start[2] = baseaddr + 0x00018000; + info->start[3] = baseaddr + 0x00020000; + for (i = 4; i < info->sector_count; i++) { + info->start[i] = baseaddr + (i * 0x00040000) - 0x000C0000; + } + } else { + /* set up sector start adress table (top sector type) */ + i = info->sector_count - 1; + info->start[i--] = baseaddr + info->size - 0x00010000; + info->start[i--] = baseaddr + info->size - 0x00018000; + info->start[i--] = baseaddr + info->size - 0x00020000; + for (; i >= 0; i--) { + info->start[i] = baseaddr + i * 0x00040000; + } + } + + /* check for protected sectors */ + for (i = 0; i < info->sector_count; i++) { + /* read sector protection at sector address, (A7 .. A0) = 0x02 */ + if (*(volatile DWORD*)(info->start[i] + 16) & 0x0001000100010001LL) { + info->protect[i] = 1; /* D0 = 1 if protected */ + } else { + info->protect[i] = 0; + } + } + + flash_reset (); + return (info->size); +} + +/*----------------------------------------------------------------------- + */ +unsigned long flash_init (void) +{ + unsigned long size_b0 = 0; + int i; + + /* Init: no FLASHes known */ + for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + } + + /* Static FLASH Bank configuration here (only one bank) */ + size_b0 = flash_get_size (CFG_FLASH_BASE, &flash_info[0]); + if (flash_info[0].flash_id == FLASH_UNKNOWN || size_b0 == 0) { + printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n", + size_b0, size_b0 >> 20); + } + + /* + * protect monitor and environment sectors + */ +#if CFG_MONITOR_BASE >= CFG_FLASH_BASE + flash_protect (FLAG_PROTECT_SET, + CFG_MONITOR_BASE, + CFG_MONITOR_BASE + monitor_flash_len - 1, &flash_info[0]); +#endif + +#if (CFG_ENV_IS_IN_FLASH == 1) && defined(CFG_ENV_ADDR) +# ifndef CFG_ENV_SIZE +# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE +# endif + flash_protect (FLAG_PROTECT_SET, + CFG_ENV_ADDR, + CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[0]); +#endif + + return (size_b0); +} + +/*----------------------------------------------------------------------- + */ +void flash_print_info (flash_info_t * info) +{ + int i; + + if (info->flash_id == FLASH_UNKNOWN) { + printf ("missing or unknown FLASH type\n"); + return; + } + + switch (info->flash_id & FLASH_VENDMASK) { + case FLASH_MAN_AMD: + printf ("AMD "); + break; + case FLASH_MAN_FUJ: + printf ("FUJITSU "); + break; + default: + printf ("Unknown Vendor "); + break; + } + + switch (info->flash_id & FLASH_TYPEMASK) { + case FLASH_AM800T: + printf ("29LV800T (8 M, top sector)\n"); + break; + case FLASH_AM800B: + printf ("29LV800T (8 M, bottom sector)\n"); + break; + case FLASH_AM160T: + printf ("29LV160T (16 M, top sector)\n"); + break; + case FLASH_AM160B: + printf ("29LV160B (16 M, bottom sector)\n"); + break; + case FLASH_AMDL322T: + printf ("29DL322T (32 M, top sector)\n"); + break; + case FLASH_AMDL322B: + printf ("29DL322B (32 M, bottom sector)\n"); + break; + case FLASH_AMDL323T: + printf ("29DL323T (32 M, top sector)\n"); + break; + case FLASH_AMDL323B: + printf ("29DL323B (32 M, bottom sector)\n"); + break; + case FLASH_AM640U: + printf ("29LV640D (64 M, uniform sector)\n"); + break; + default: + printf ("Unknown Chip Type\n"); + break; + } + + printf (" Size: %ld MB in %d Sectors\n", + info->size >> 20, info->sector_count); + + printf (" Sector Start Addresses:"); + for (i = 0; i < info->sector_count; ++i) { + if ((i % 5) == 0) + printf ("\n "); + printf (" %08lX%s", + info->start[i], + info->protect[i] ? " (RO)" : " " + ); + } + printf ("\n"); + return; +} + +/*----------------------------------------------------------------------- + */ +int flash_erase (flash_info_t * info, int s_first, int s_last) +{ + int flag, prot, sect, l_sect; + ulong start, now, last; + unsigned long msr; + DWORD cmd_erase[6] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL, + 0x0080008000800080LL, 0x00AA00AA00AA00AALL, + 0x0055005500550055LL, 0x0030003000300030LL }; + + 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; + } + + 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; + + /* Enable FPU */ + msr = get_msr(); + set_msr ( msr | MSR_FP ); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[0] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_erase[1] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[2] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_erase[3] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_erase[4] ); + udelay (1000); + + /* Start erase on unprotected sectors */ + for (sect = s_first; sect <= s_last; sect++) { + if (info->protect[sect] == 0) { /* not protected */ + write_via_fpu ((DWORD*)info->start[sect], &cmd_erase[5] ); + l_sect = sect; + } + } + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* Restore FPU */ + set_msr (msr); + + /* 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; + while ((*(volatile DWORD*)info->start[l_sect] & 0x0080008000800080LL ) + != 0x0080008000800080LL ) + { + 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 */ + serial_putc ('.'); + last = now; + } + } + + DONE: + /* reset to read mode */ + flash_reset (); + + 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 dp; + static unsigned char bb[8]; + int i, l, rc, cc = cnt; + + dp = (addr & ~7); /* get lower dword aligned address */ + + /* + * handle unaligned start bytes + */ + if ((l = addr - dp) != 0) { + for (i = 0; i < 8; i++) + bb[i] = (i < l || (i - l) >= cc) ? *(char*)(dp + i) : *src++; + if ((rc = write_dword (info, dp, bb)) != 0) { + return (rc); + } + dp += 8; + cc -= 8 - l; + } + + /* + * handle word aligned part + */ + while (cc >= 8) { + if ((rc = write_dword (info, dp, src)) != 0) { + return (rc); + } + dp += 8; + src += 8; + cc -= 8; + } + + if (cc <= 0) { + return (0); + } + + /* + * handle unaligned tail bytes + */ + for (i = 0; i < 8; i++) { + bb[i] = (i < cc) ? *src++ : *(char*)(dp + i); + } + return (write_dword (info, dp, bb)); +} + +/*----------------------------------------------------------------------- + * Write a dword to Flash, returns: + * 0 - OK + * 1 - write timeout + * 2 - Flash not erased + */ +static int write_dword (flash_info_t * info, ulong dest, unsigned char *pdata) +{ + ulong start; + unsigned long msr; + int flag, i; + DWORD data; + DWORD cmd_write[3] = { 0x00AA00AA00AA00AALL, 0x0055005500550055LL, + 0x00A000A000A000A0LL }; + + for (data = 0, i = 0; i < 8; i++) + data = (data << 8) + *pdata++; + + /* Check if Flash is (sufficiently) erased */ + if ((*(DWORD*)dest & data) != data) { + return (2); + } + + /* Enable FPU */ + msr = get_msr(); + set_msr( msr | MSR_FP ); + + /* Disable interrupts which might cause a timeout here */ + flag = disable_interrupts (); + + write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_write[0] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x02AA << 3)), &cmd_write[1] ); + write_via_fpu ((DWORD*)(info->start[0] + (0x0555 << 3)), &cmd_write[2] ); + write_via_fpu ((DWORD*)dest, &data ); + + /* re-enable interrupts if necessary */ + if (flag) + enable_interrupts (); + + /* Restore FPU */ + set_msr(msr); + + /* data polling for D7 */ + start = get_timer (0); + while (*(volatile DWORD*)dest != data ) { + if (get_timer (start) > CFG_FLASH_WRITE_TOUT) { + return (1); + } + } + return (0); +} + +/*----------------------------------------------------------------------- + */ +static void write_via_fpu (volatile DWORD* addr, DWORD* data) +{ + __asm__ __volatile__ ("lfd 1, 0(%0)"::"r" (data)); + __asm__ __volatile__ ("stfd 1, 0(%0)"::"r" (addr)); + __asm__ __volatile__ ("eieio"); +} diff --git a/board/ppmc7xx/init.S b/board/ppmc7xx/init.S new file mode 100644 index 0000000000..e4ed7a66c9 --- /dev/null +++ b/board/ppmc7xx/init.S @@ -0,0 +1,336 @@ +/* + * init.S + * ------ + * + * Wind River PPMC 7xx/74xx init code. + * + * By Richard Danter (richard.danter@windriver.com) + * Copyright (C) 2005 Wind River Systems + * + * NOTE: The following code was generated automatically by Workbench + * from the ppmc7400_107.reg register file. + */ + +#include + + +.globl board_asm_init +board_asm_init: + + lis r4,0xFEC0 + ori r4,r4,0x0000 + lis r5,0xFEE0 + ori r5,r5,0x0000 + lis r3,0x8000 # ADDR_00 + ori r3,r3,0x0000 + stwbrx r3,0,r4 + li r3,0x1057 # VENDOR + li r8, 0x0 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_02 + ori r3,r3,0x0002 + stwbrx r3,0,r4 + li r3,0x0004 # ID + li r8, 0x2 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_04 + ori r3,r3,0x0004 + stwbrx r3,0,r4 + li r3,0x0006 # PCICMD + li r8, 0x0 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_06 + ori r3,r3,0x0006 + stwbrx r3,0,r4 + li r3,0x00A0 # PCISTAT + li r8, 0x2 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_08 + ori r3,r3,0x0008 + stwbrx r3,0,r4 + li r3,0x10 # REVID + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_09 + ori r3,r3,0x0009 + stwbrx r3,0,r4 + li r3,0x00 # PROGIR + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_0A + ori r3,r3,0x000A + stwbrx r3,0,r4 + li r3,0x00 # SUBCCODE + stb r3,0x2(r5) + lis r3,0x8000 # ADDR_0B + ori r3,r3,0x000B + stwbrx r3,0,r4 + li r3,0x06 # PBCCR + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_0C + ori r3,r3,0x000C + stwbrx r3,0,r4 + li r3,0x08 # PCLSR + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_0D + ori r3,r3,0x000D + stwbrx r3,0,r4 + li r3,0x00 # PLTR + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_0E + ori r3,r3,0x000E + stwbrx r3,0,r4 + li r3,0x00 # HEADTYPE + stb r3,0x2(r5) + lis r3,0x8000 # ADDR_0F + ori r3,r3,0x000F + stwbrx r3,0,r4 + li r3,0x00 # BISTCTRL + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_10 + ori r3,r3,0x0010 + stwbrx r3,0,r4 + lis r3,0x0000 # LMBAR + ori r3,r3,0x0008 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_14 + ori r3,r3,0x0014 + stwbrx r3,0,r4 + lis r3,0xF000 # PCSRBAR + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_3C + ori r3,r3,0x003C + stwbrx r3,0,r4 + li r3,0x00 # ILR + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_3D + ori r3,r3,0x003D + stwbrx r3,0,r4 + li r3,0x01 # INTPIN + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_3E + ori r3,r3,0x003E + stwbrx r3,0,r4 + li r3,0x00 # MIN_GNT + stb r3,0x2(r5) + lis r3,0x8000 # ADDR_3F + ori r3,r3,0x003F + stwbrx r3,0,r4 + li r3,0x00 # MAX_LAT + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_40 + ori r3,r3,0x0040 + stwbrx r3,0,r4 + li r3,0x00 # BUSNB + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_41 + ori r3,r3,0x0041 + stwbrx r3,0,r4 + li r3,0x00 # SBUSNB + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_46 + ori r3,r3,0x0046 + stwbrx r3,0,r4 +# li r3,0xE080 # PCIARB + li r3,-0x1F80 # PCIARB + li r8, 0x2 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_70 + ori r3,r3,0x0070 + stwbrx r3,0,r4 + li r3,0x0000 # PMCR1 + li r8, 0x0 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_72 + ori r3,r3,0x0072 + stwbrx r3,0,r4 + li r3,0xC0 # PMCR2 + stb r3,0x2(r5) + lis r3,0x8000 # ADDR_73 + ori r3,r3,0x0073 + stwbrx r3,0,r4 + li r3,0xEF # ODCR + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_74 + ori r3,r3,0x0074 + stwbrx r3,0,r4 + li r3,0x7D00 # CLKDCR + li r8, 0x0 + sthbrx r3,r8,r5 + lis r3,0x8000 # ADDR_76 + ori r3,r3,0x0076 + stwbrx r3,0,r4 + li r3,0x00 # MDCR + stb r3,0x2(r5) + lis r6,0xFCE0 + ori r6,r6,0x0000 # r6 is the EUMBAR Base Address + lis r3,0x8000 # ADDR_78 + ori r3,r3,0x0078 + stwbrx r3,0,r4 + lis r3,0xFCE0 # EUMBBAR + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_80 + ori r3,r3,0x0080 + stwbrx r3,0,r4 + lis r3,0xFFFF # MSADDR1 + ori r3,r3,0x4000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_84 + ori r3,r3,0x0084 + stwbrx r3,0,r4 + lis r3,0xFFFF # MSADDR2 + ori r3,r3,0xFFFF + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_88 + ori r3,r3,0x0088 + stwbrx r3,0,r4 + lis r3,0x0303 # EMSADDR1 + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_8C + ori r3,r3,0x008C + stwbrx r3,0,r4 + lis r3,0x0303 # EMSADDR2 + ori r3,r3,0x0303 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_90 + ori r3,r3,0x0090 + stwbrx r3,0,r4 + lis r3,0xFFFF # EMEADDR1 + ori r3,r3,0x7F3F + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_94 + ori r3,r3,0x0094 + stwbrx r3,0,r4 + lis r3,0xFFFF # EMEADDR2 + ori r3,r3,0xFFFF + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_98 + ori r3,r3,0x0098 + stwbrx r3,0,r4 + lis r3,0x0303 # EXTEMEM1 + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_9C + ori r3,r3,0x009C + stwbrx r3,0,r4 + lis r3,0x0303 # EXTEMEM2 + ori r3,r3,0x0303 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_A0 + ori r3,r3,0x00A0 + stwbrx r3,0,r4 + li r3,0x03 # MEMBNKEN + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_A3 + ori r3,r3,0x00A3 + stwbrx r3,0,r4 + li r3,0x00 # MEMPMODE + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_B8 + ori r3,r3,0x00B8 + stwbrx r3,0,r4 + li r3,0x00 # ECCCNT + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_B9 + ori r3,r3,0x00B9 + stwbrx r3,0,r4 + li r3,0x00 # ECCTRG + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_C0 + ori r3,r3,0x00C0 + stwbrx r3,0,r4 + li r3,0xFF # ERRENR1 + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_C1 + ori r3,r3,0x00C1 + stwbrx r3,0,r4 + li r3,0x00 # ERRDR1 + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_C3 + ori r3,r3,0x00C3 + stwbrx r3,0,r4 + li r3,0x50 # IPBESR + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_C4 + ori r3,r3,0x00C4 + stwbrx r3,0,r4 + li r3,0xBF # ERRENR2 + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_C5 + ori r3,r3,0x00C5 + stwbrx r3,0,r4 + li r3,0x00 # ERRDR2 + stb r3,0x1(r5) + lis r3,0x8000 # ADDR_C7 + ori r3,r3,0x00C7 + stwbrx r3,0,r4 + li r3,0x00 # PCIBESR + stb r3,0x3(r5) + lis r3,0x8000 # ADDR_C8 + ori r3,r3,0x00C8 + stwbrx r3,0,r4 + lis r3,0x0000 # BERRADDR + ori r3,r3,0xE0FE + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_E0 + ori r3,r3,0x00E0 + stwbrx r3,0,r4 + li r3,0xC0 # AMBOR + stb r3,0x0(r5) + lis r3,0x8000 # ADDR_F4 + ori r3,r3,0x00F4 + stwbrx r3,0,r4 + lis r3,0x0000 # MCCR2 + ori r3,r3,0x020C + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_F8 + ori r3,r3,0x00F8 + stwbrx r3,0,r4 + lis r3,0x0230 # MCCR3 + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_FC + ori r3,r3,0x00FC + stwbrx r3,0,r4 + lis r3,0x2532 # MCCR4 + ori r3,r3,0x2220 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_F0 + ori r3,r3,0x00F0 + stwbrx r3,0,r4 + lis r3,0xFFC8 # MCCR1 + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_A8 + ori r3,r3,0x00A8 + stwbrx r3,0,r4 + lis r3,0xFF14 # PICR1 + ori r3,r3,0x1CC8 + li r8, 0x0 + stwbrx r3,r8,r5 + lis r3,0x8000 # ADDR_AC + ori r3,r3,0x00AC + stwbrx r3,0,r4 + lis r3,0x0000 # PICR2 + ori r3,r3,0x0000 + li r8, 0x0 + stwbrx r3,r8,r5 + + blr diff --git a/board/ppmc7xx/pci.c b/board/ppmc7xx/pci.c new file mode 100644 index 0000000000..5b115ea617 --- /dev/null +++ b/board/ppmc7xx/pci.c @@ -0,0 +1,97 @@ +/* + * (C) Copyright 2002 ELTEC Elektronik AG + * Frank Gottschling + * + * 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 + */ + +/* + * PCI initialisation for the MPC10x. + */ + +#include +#include +#include + +#ifdef CONFIG_PCI + +struct pci_controller local_hose; + +void pci_init_board(void) +{ + struct pci_controller* hose = (struct pci_controller *)&local_hose; + u16 reg16; + + hose->first_busno = 0; + hose->last_busno = 0xff; + + pci_set_region(hose->regions + 0, + CFG_PCI_MEMORY_BUS, + CFG_PCI_MEMORY_PHYS, + CFG_PCI_MEMORY_SIZE, + PCI_REGION_MEM | PCI_REGION_MEMORY); + + /* PCI memory space */ + pci_set_region(hose->regions + 1, + CFG_PCI_MEM_BUS, + CFG_PCI_MEM_PHYS, + CFG_PCI_MEM_SIZE, + PCI_REGION_MEM); + + /* ISA/PCI memory space */ + pci_set_region(hose->regions + 2, + CFG_ISA_MEM_BUS, + CFG_ISA_MEM_PHYS, + CFG_ISA_MEM_SIZE, + PCI_REGION_MEM); + + /* PCI I/O space */ + pci_set_region(hose->regions + 3, + CFG_PCI_IO_BUS, + CFG_PCI_IO_PHYS, + CFG_PCI_IO_SIZE, + PCI_REGION_IO); + + /* ISA/PCI I/O space */ + pci_set_region(hose->regions + 4, + CFG_ISA_IO_BUS, + CFG_ISA_IO_PHYS, + CFG_ISA_IO_SIZE, + PCI_REGION_IO); + + hose->region_count = 5; + + pci_setup_indirect(hose, + MPC106_REG_ADDR, + MPC106_REG_DATA); + + pci_register_hose(hose); + + hose->last_busno = pci_hose_scan(hose); + + /* Initialises the MPC10x PCI Configuration regs. */ + pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, ®16); + reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16); + + /* Clear non-reserved bits in status register */ + pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff); +} + +#endif /* CONFIG_PCI */ diff --git a/board/ppmc7xx/ppmc7xx.c b/board/ppmc7xx/ppmc7xx.c new file mode 100644 index 0000000000..0597c72e07 --- /dev/null +++ b/board/ppmc7xx/ppmc7xx.c @@ -0,0 +1,104 @@ +/* + * ppmc7xx.c + * --------- + * + * Main board-specific routines for Wind River PPMC 7xx/74xx board. + * + * By Richard Danter (richard.danter@windriver.com) + * Copyright (C) 2005 Wind River Systems + */ + +#include +#include + + +/* Define some MPC107 (memory controller) registers */ +#define MPC107_EUMB_GCR 0xfce41020 +#define MPC107_EUMB_IACKR 0xfce600a0 + + +/* Function prototypes */ +extern void unlock_ram_in_cache( void ); +extern void _start_warm(void); + + +/* + * initdram() + * + * This function normally initialises the (S)DRAM of the system. For this board + * the SDRAM was already initialised by board_asm_init (see init.S) so we just + * return the size of RAM. + */ +long initdram( int board_type ) +{ + return CFG_SDRAM_SIZE; +} + + +/* + * after_reloc() + * + * This is called after U-Boot has been copied from Flash/ROM to RAM. It gives + * us an opportunity to do some additional setup before the rest of the system + * is initialised. We don't need to do anything, so we just call board_init_r() + * which should never return. + */ +void after_reloc( ulong dest_addr, gd_t* gd ) +{ + /* Jump to the main U-Boot board init code */ + board_init_r( gd, dest_addr ); +} + + +/* + * checkboard() + * + * We could do some board level checks here, such as working out what version + * it is, but for this board we simply display it's name (on the console). + */ +int checkboard( void ) +{ + puts( "Board: Wind River PPMC 7xx/74xx\n" ); + return 0; +} + + +/* + * misc_init_r + * + * Used for other setup which needs to be done late in the bring-up phase. + */ +int misc_init_r( void ) +{ + /* Reset the EPIC and clear pending interrupts */ + out32r(MPC107_EUMB_GCR, 0xa0000000); + while( in32r( MPC107_EUMB_GCR ) & 0x80000000 ); + out32r( MPC107_EUMB_GCR, 0x20000000 ); + while( in32r( MPC107_EUMB_IACKR ) != 0xff ); + + /* Enable the I-Cache */ + icache_enable(); + + return 0; +} + + +/* + * do_reset() + * + * Shell command to reset the board. + */ +void do_reset( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[] ) +{ + printf( "Resetting...\n" ); + + /* Disabe and invalidate cache */ + icache_disable(); + dcache_disable(); + + /* Jump to warm start (in RAM) */ + _start_warm(); + + /* Should never get here */ + while(1); +} diff --git a/board/ppmc7xx/u-boot.lds b/board/ppmc7xx/u-boot.lds new file mode 100644 index 0000000000..0dfa8c0005 --- /dev/null +++ b/board/ppmc7xx/u-boot.lds @@ -0,0 +1,135 @@ +/* + * (C) Copyright 2001 + * Josh Huber , Mission Critical Linux, Inc. + * + * 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 + */ + +/* + * u-boot.lds - linker script for U-Boot on the Galileo Eval Board. + */ + +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/74xx_7xx/start.o (.text) + +/* store the environment in a seperate sector in the boot flash */ +/* . = env_offset; */ +/* common/environment.o(.text) */ + + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _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(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} diff --git a/cpu/74xx_7xx/cpu.c b/cpu/74xx_7xx/cpu.c index 706c880db1..ca45e17edb 100644 --- a/cpu/74xx_7xx/cpu.c +++ b/cpu/74xx_7xx/cpu.c @@ -215,7 +215,8 @@ soft_restart(unsigned long addr) #if !defined(CONFIG_PCIPPC2) && \ !defined(CONFIG_BAB7xx) && \ - !defined(CONFIG_ELPPC) + !defined(CONFIG_ELPPC) && \ + !defined(CONFIG_PPMC7XX) /* no generic way to do board reset. simply call soft_reset. */ void do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) diff --git a/cpu/74xx_7xx/start.S b/cpu/74xx_7xx/start.S index ff1cce55d8..1fc0fe6bc1 100644 --- a/cpu/74xx_7xx/start.S +++ b/cpu/74xx_7xx/start.S @@ -756,7 +756,8 @@ in_ram: #if defined(CONFIG_AMIGAONEG3SE) || \ defined(CONFIG_DB64360) || \ defined(CONFIG_DB64460) || \ - defined(CONFIG_CPCI750) + defined(CONFIG_CPCI750) || \ + defined(CONFIG_PPMC7XX) mr r4, r9 /* Use RAM copy of the global data */ #endif bl after_reloc diff --git a/drivers/pci.c b/drivers/pci.c index 3c24b99c37..050582f782 100644 --- a/drivers/pci.c +++ b/drivers/pci.c @@ -163,7 +163,7 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) for (bus = hose->first_busno; bus <= hose->last_busno; bus++) #endif for (bdf = PCI_BDF(bus,0,0); -#ifdef CONFIG_ELPPC +#if defined(CONFIG_ELPPC) || defined(CONFIG_PPMC7XX) bdf < PCI_BDF(bus,PCI_MAX_PCI_DEVICES-1,PCI_MAX_PCI_FUNCTIONS-1); #else bdf < PCI_BDF(bus+1,0,0); diff --git a/include/configs/ppmc7xx.h b/include/configs/ppmc7xx.h new file mode 100644 index 0000000000..ea15524be0 --- /dev/null +++ b/include/configs/ppmc7xx.h @@ -0,0 +1,419 @@ +/* + * ppmc7xx.h + * --------- + * + * Wind River PPMC 7xx/74xx board configuration file. + * + * By Richard Danter (richard.danter@windriver.com) + * Copyright (C) 2005 Wind River Systems + */ + + +#ifndef __CONFIG_H +#define __CONFIG_H + +#define CONFIG_PPMC7XX + + +/*=================================================================== + * + * User configurable settings - Modify to your preference + * + *=================================================================== + */ + +/* + * Debug + * + * DEBUG - Define this is you want extra debug info + * GTREGREAD - Required to build with debug + * do_bdinfo - Required to build with debug + */ + +#undef DEBUG +#define GTREGREAD(x) 0xFFFFFFFF +#define do_bdinfo(a,b,c,d) + + +/* + * CPU type + * + * CONFIG_7xx - We have a 750 or 755 CPU + * CONFIG_74xx - We have a 7400 CPU + * CONFIG_ALTIVEC - We have altivec enabled CPU (only 7400) + * CONFIG_BUS_CLK - System bus clock in Hz + */ + +#define CONFIG_7xx +#undef CONFIG_74xx +#undef CONFIG_ALTIVEC +#define CONFIG_BUS_CLK 66000000 + + +/* + * Monitor configuration + * + * CONFIG_COMMANDS - List of command sets to include in shell + * + * The following command sets have been tested and known to work: + * + * CFG_CMD_CACHE - Cache control commands + * CFG_CMD_MEMORY - Memory display, change and test commands + * CFG_CMD_FLASH - Erase and program flash + * CFG_CMD_ENV - Environment commands + * CFG_CMD_RUN - Run commands stored in env vars + * CFG_CMD_ELF - Load ELF files + * CFG_CMD_NET - Networking/file download commands + * CFG_CMD_PING - ICMP Echo Request command + * CFG_CMD_PCI - PCI Bus scanning command + */ + +#define CONFIG_COMMANDS ( (CFG_CMD_DFL & ~(CFG_CMD_KGDB)) | \ + CFG_CMD_FLASH | \ + CFG_CMD_ENV | \ + CFG_CMD_RUN | \ + CFG_CMD_ELF | \ + CFG_CMD_NET | \ + CFG_CMD_PING | \ + CFG_CMD_PCI) + + +/* + * Serial configuration + * + * CONFIG_CONS_INDEX - Serial console port number (COM1) + * CONFIG_BAUDRATE - Serial speed + */ + +#define CONFIG_CONS_INDEX 1 +#define CONFIG_BAUDRATE 9600 + + +/* + * PCI config + * + * CONFIG_PCI - Enable PCI bus + * CONFIG_PCI_PNP - Enable Plug & Play support + * CONFIG_PCI_SCAN_SHOW - Enable display of devices at startup + */ + +#define CONFIG_PCI +#define CONFIG_PCI_PNP +#undef CONFIG_PCI_SCAN_SHOW + + +/* + * Network config + * + * CONFIG_NET_MULTI - Support for multiple network interfaces + * CONFIG_EEPRO100 - Intel 8255x Ethernet Controller + * CONFIG_EEPRO100_SROM_WRITE - Enable writing to network card ROM + */ + +#define CONFIG_NET_MULTI +#define CONFIG_EEPRO100 +#define CONFIG_EEPRO100_SROM_WRITE + + +/* + * Enable extra init functions + * + * CONFIG_MISC_INIT_F - Call pre-relocation init functions + * CONFIG_MISC_INIT_R - Call post relocation init functions + */ + +#undef CONFIG_MISC_INIT_F +#define CONFIG_MISC_INIT_R + + +/* + * Boot config + * + * CONFIG_BOOTCOMMAND - Command(s) to execute to auto-boot + * CONFIG_BOOTDELAY - How long to wait before auto-boot (in sec) + */ + +#define CONFIG_BOOTCOMMAND \ + "bootp;" \ + "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \ + "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \ + "bootm" +#define CONFIG_BOOTDELAY 5 + + +/*=================================================================== + * + * Board configuration settings - You should not need to modify these + * + *=================================================================== + */ + + +#include + + +/* + * Memory map + * + * This board runs in a standard CHRP (Map-B) configuration. + * + * Type Start End Size Width Chip Sel + * ----------- ----------- ----------- ------- ------- -------- + * SDRAM 0x00000000 0x04000000 64MB 64b SDRAMCS0 + * User LED's 0x78000000 RCS3 + * UART 0x7C000000 RCS2 + * Mailbox 0xFF000000 RCS1 + * Flash 0xFFC00000 0xFFFFFFFF 4MB 64b RCS0 + * + * Flash sectors are laid out as follows. + * + * Sector Start End Size Comments + * ------- ----------- ----------- ------- ----------- + * 0 0xFFC00000 0xFFC3FFFF 256KB + * 1 0xFFC40000 0xFFC7FFFF 256KB + * 2 0xFFC80000 0xFFCBFFFF 256KB + * 3 0xFFCC0000 0xFFCFFFFF 256KB + * 4 0xFFD00000 0xFFD3FFFF 256KB + * 5 0xFFD40000 0xFFD7FFFF 256KB + * 6 0xFFD80000 0xFFDBFFFF 256KB + * 7 0xFFDC0000 0xFFDFFFFF 256KB + * 8 0xFFE00000 0xFFE3FFFF 256KB + * 9 0xFFE40000 0xFFE7FFFF 256KB + * 10 0xFFE80000 0xFFEBFFFF 256KB + * 11 0xFFEC0000 0xFFEFFFFF 256KB + * 12 0xFFF00000 0xFFF3FFFF 256KB U-Boot code here + * 13 0xFFF40000 0xFFF7FFFF 256KB + * 14 0xFFF80000 0xFFFBFFFF 256KB + * 15 0xFFFC0000 0xFFFDFFFF 128KB + * 16 0xFFFE0000 0xFFFE7FFF 32KB U-Boot env vars here + * 17 0xFFFE8000 0xFFFEFFFF 32KB U-Boot backup copy of env vars here + * 18 0xFFFF0000 0xFFFFFFFF 64KB + */ + + +/* + * SDRAM config - see memory map details above. + * + * CFG_SDRAM_BASE - Start address of SDRAM, this _must_ be zero! + * CFG_SDRAM_SIZE - Total size of contiguous SDRAM bank(s) + */ + +#define CFG_SDRAM_BASE 0x00000000 +#define CFG_SDRAM_SIZE 0x04000000 + + +/* + * Flash config - see memory map details above. + * + * CFG_FLASH_BASE - Start address of flash memory + * CFG_FLASH_SIZE - Total size of contiguous flash mem + * CFG_FLASH_ERASE_TOUT - Erase timeout in ms + * CFG_FLASH_WRITE_TOUT - Write timeout in ms + * CFG_MAX_FLASH_BANKS - Number of banks of flash on board + * CFG_MAX_FLASH_SECT - Number of sectors in a bank + */ + +#define CFG_FLASH_BASE 0xFFC00000 +#define CFG_FLASH_SIZE 0x00400000 +#define CFG_FLASH_ERASE_TOUT 250000 +#define CFG_FLASH_WRITE_TOUT 5000 +#define CFG_MAX_FLASH_BANKS 1 +#define CFG_MAX_FLASH_SECT 19 + + +/* + * Monitor config - see memory map details above + * + * CFG_MONITOR_BASE - Base address of monitor code + * CFG_MALLOC_LEN - Size of malloc pool (128KB) + */ + +#define CFG_MONITOR_BASE TEXT_BASE +#define CFG_MALLOC_LEN 0x20000 + + +/* + * Command shell settings + * + * CFG_BARGSIZE - Boot Argument buffer size + * CFG_BOOTMAPSZ - Size of app's mapped RAM at boot (Linux=8MB) + * CFG_CBSIZE - Console Buffer (input) size + * CFG_LOAD_ADDR - Default load address + * CFG_LONGHELP - Provide more detailed help + * CFG_MAXARGS - Number of args accepted by monitor commands + * CFG_MEMTEST_START - Start address of test to run on RAM + * CFG_MEMTEST_END - End address of RAM test + * CFG_PBSIZE - Print Buffer (output) size + * CFG_PROMPT - Prompt string + */ + +#define CFG_BARGSIZE 1024 +#define CFG_BOOTMAPSZ 0x800000 +#define CFG_CBSIZE 1024 +#define CFG_LOAD_ADDR 0x100000 +#define CFG_LONGHELP +#define CFG_MAXARGS 16 +#define CFG_MEMTEST_START 0x00040000 +#define CFG_MEMTEST_END 0x00040100 +#define CFG_PBSIZE 1024 +#define CFG_PROMPT "=> " + + +/* + * Environment config - see memory map details above + * + * CFG_ENV_IS_IN_FLASH - The env variables are stored in flash + * CFG_ENV_ADDR - Address of the sector containing env vars + * CFG_ENV_SIZE - Ammount of RAM for env vars (used to save RAM, 4KB) + * CFG_ENV_SECT_SIZE - Size of sector containing env vars (32KB) + */ + +#define CFG_ENV_IS_IN_FLASH 1 +#define CFG_ENV_ADDR 0xFFFE0000 +#define CFG_ENV_SIZE 0x1000 +#define CFG_ENV_ADDR_REDUND 0xFFFE8000 +#define CFG_ENV_SIZE_REDUND 0x1000 +#define CFG_ENV_SECT_SIZE 0x8000 + + +/* + * Initial RAM config + * + * Since the main system RAM is initialised very early, we place the INIT_RAM + * in the main system RAM just above the exception vectors. The contents are + * copied to top of RAM by the init code. + * + * CFG_INIT_RAM_ADDR - Address of Init RAM, above exception vect + * CFG_INIT_RAM_END - Size of Init RAM + * CFG_GBL_DATA_SIZE - Ammount of RAM to reserve for global data + * CFG_GBL_DATA_OFFSET - Start of global data, top of stack + */ + +#define CFG_INIT_RAM_ADDR (CFG_SDRAM_BASE + 0x4000) +#define CFG_INIT_RAM_END 0x4000 +#define CFG_GBL_DATA_SIZE 128 +#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE) + + +/* + * Initial BAT config + * + * BAT0 - System SDRAM + * BAT1 - LED's and Serial Port + * BAT2 - PCI Memory + * BAT3 - PCI I/O including Flash Memory + */ + +#define CFG_IBAT0L (CFG_SDRAM_BASE | BATL_PP_10 | BATL_MEMCOHERENCE) +#define CFG_IBAT0U (CFG_SDRAM_BASE | BATU_BL_64M | BATU_VS | BATU_VP) +#define CFG_DBAT0L CFG_IBAT0L +#define CFG_DBAT0U CFG_IBAT0U + +#define CFG_IBAT1L (0x70000000 | BATL_PP_RW | BATL_CACHEINHIBIT) +#define CFG_IBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP) +#define CFG_DBAT1L (0x70000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE) +#define CFG_DBAT1U (0x70000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CFG_IBAT2L (0x80000000 | BATL_PP_RW | BATL_CACHEINHIBIT) +#define CFG_IBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) +#define CFG_DBAT2L (0x80000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE) +#define CFG_DBAT2U (0x80000000 | BATU_BL_256M | BATU_VS | BATU_VP) + +#define CFG_IBAT3L (0xF0000000 | BATL_PP_RW | BATL_CACHEINHIBIT) +#define CFG_IBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) +#define CFG_DBAT3L (0xF0000000 | BATL_PP_RW | BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE) +#define CFG_DBAT3U (0xF0000000 | BATU_BL_256M | BATU_VS | BATU_VP) + + +/* + * Cache config + * + * CFG_CACHELINE_SIZE - Size of a cache line (CPU specific) + * CFG_L2 - L2 cache enabled if defined + * L2_INIT - L2 cache init flags + * L2_ENABLE - L2 cache enable flags + */ + +#define CFG_CACHELINE_SIZE 32 +#undef CFG_L2 +#define L2_INIT 0 +#define L2_ENABLE 0 + + +/* + * Clocks config + * + * CFG_BUS_HZ - Bus clock frequency in Hz + * CFG_BUS_CLK - As above (?) + * CFG_HZ - Decrementer freq in Hz + */ + +#define CFG_BUS_HZ CONFIG_BUS_CLK +#define CFG_BUS_CLK CONFIG_BUS_CLK +#define CFG_HZ 1000 + + +/* + * Serial port config + * + * CFG_BAUDRATE_TABLE - List of valid baud rates + * CFG_NS16550 - Include the NS16550 driver + * CFG_NS16550_SERIAL - Include the serial (wrapper) driver + * CFG_NS16550_CLK - Frequency of reference clock + * CFG_NS16550_REG_SIZE - 64-bit accesses to 8-bit port + * CFG_NS16550_COM1 - Base address of 1st serial port + */ + +#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } +#define CFG_NS16550 +#define CFG_NS16550_SERIAL +#define CFG_NS16550_CLK 3686400 +#define CFG_NS16550_REG_SIZE -8 +#define CFG_NS16550_COM1 0x7C000000 + + +/* + * PCI Config - Address Map B (CHRP) + */ + +#define CFG_PCI_MEMORY_BUS 0x00000000 +#define CFG_PCI_MEMORY_PHYS 0x00000000 +#define CFG_PCI_MEMORY_SIZE 0x40000000 +#define CFG_PCI_MEM_BUS 0x80000000 +#define CFG_PCI_MEM_PHYS 0x80000000 +#define CFG_PCI_MEM_SIZE 0x7D000000 +#define CFG_ISA_MEM_BUS 0x00000000 +#define CFG_ISA_MEM_PHYS 0xFD000000 +#define CFG_ISA_MEM_SIZE 0x01000000 +#define CFG_PCI_IO_BUS 0x00800000 +#define CFG_PCI_IO_PHYS 0xFE800000 +#define CFG_PCI_IO_SIZE 0x00400000 +#define CFG_ISA_IO_BUS 0x00000000 +#define CFG_ISA_IO_PHYS 0xFE000000 +#define CFG_ISA_IO_SIZE 0x00800000 +#define CFG_ISA_IO_BASE_ADDRESS CFG_ISA_IO_PHYS +#define CFG_ISA_IO CFG_ISA_IO_PHYS +#define CFG_60X_PCI_IO_OFFSET CFG_ISA_IO_PHYS + + +/* + * Extra init functions + * + * CFG_BOARD_ASM_INIT - Call assembly init code + */ + +#define CFG_BOARD_ASM_INIT + + +/* + * Boot flags + * + * BOOTFLAG_COLD - Indicates a power-on boot + * BOOTFLAG_WARM - Indicates a software reset + */ + +#define BOOTFLAG_COLD 0x01 +#define BOOTFLAG_WARM 0x02 + + +#endif /* __CONFIG_H */ diff --git a/include/ns16550.h b/include/ns16550.h index d987a8b7ed..996d915f98 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -7,6 +7,9 @@ * added prototypes for ns16550.c * reduced no of com ports to 2 * modifications (c) Rob Taylor, Flying Pig Systems. 2000. + * + * added support for port on 64-bit bus + * by Richard Danter (richard.danter@windriver.com), (C) 2005 Wind River Systems */ #if (CFG_NS16550_REG_SIZE == 1) @@ -82,6 +85,25 @@ struct NS16550 { int pad10:24; #endif } __attribute__ ((packed)); +#elif (CFG_NS16550_REG_SIZE == -8) +struct NS16550 { + unsigned char rbr; /* 0 */ + unsigned char pad0[7]; + unsigned char ier; /* 1 */ + unsigned char pad1[7]; + unsigned char fcr; /* 2 */ + unsigned char pad2[7]; + unsigned char lcr; /* 3 */ + unsigned char pad3[7]; + unsigned char mcr; /* 4 */ + unsigned char pad4[7]; + unsigned char lsr; /* 5 */ + unsigned char pad5[7]; + unsigned char msr; /* 6 */ + unsigned char pad6[7]; + unsigned char scr; /* 7 */ + unsigned char pad7[7]; +} __attribute__ ((packed)); #else #error "Please define NS16550 registers size." #endif -- 2.25.1