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-rw-r--r--board/mpc8540ads/Makefile48
-rw-r--r--board/mpc8540ads/config.mk32
-rw-r--r--board/mpc8540ads/flash.c539
-rw-r--r--board/mpc8540ads/init.S178
-rw-r--r--board/mpc8540ads/mpc8540ads.c265
-rw-r--r--board/mpc8540ads/u-boot.lds148
6 files changed, 1210 insertions, 0 deletions
diff --git a/board/mpc8540ads/Makefile b/board/mpc8540ads/Makefile
new file mode 100644
index 0000000..d150df8
--- /dev/null
+++ b/board/mpc8540ads/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2001
+# 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 := $(BOARD).o flash.o
+SOBJS := init.o
+#SOBJS :=
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+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/mpc8540ads/config.mk b/board/mpc8540ads/config.mk
new file mode 100644
index 0000000..186a2f2
--- /dev/null
+++ b/board/mpc8540ads/config.mk
@@ -0,0 +1,32 @@
+# Modified by Xianghua Xiao, X.Xiao@motorola.com
+# (C) Copyright 2002,Motorola 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
+#
+
+#
+# mpc8540ads board
+# default CCARBAR is at 0xff700000
+# assume U-Boot is less than 0.5MB
+#
+TEXT_BASE = 0xfff80000
+
+PLATFORM_CPPFLAGS += -DCONFIG_MPC85xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8540=1
+PLATFORM_CPPFLAGS += -DCONFIG_E500=1
diff --git a/board/mpc8540ads/flash.c b/board/mpc8540ads/flash.c
new file mode 100644
index 0000000..ac2383e
--- /dev/null
+++ b/board/mpc8540ads/flash.c
@@ -0,0 +1,539 @@
+/*
+ * (C) Copyright 2003 Motorola Inc.
+ * Xianghua Xiao,(X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2000, 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001, Stuart Hughes, Lineo Inc, stuarth@lineo.com
+ * Add support the Sharp chips on the mpc8260ads.
+ * I started with board/ip860/flash.c and made changes I found in
+ * the MTD project by David Schleef.
+ *
+ * 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>
+
+#if !defined(CFG_NO_FLASH)
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+#if defined(CFG_ENV_IS_IN_FLASH)
+# ifndef CFG_ENV_ADDR
+# define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
+# endif
+# ifndef CFG_ENV_SIZE
+# define CFG_ENV_SIZE CFG_ENV_SECT_SIZE
+# endif
+# ifndef CFG_ENV_SECT_SIZE
+# define CFG_ENV_SECT_SIZE CFG_ENV_SIZE
+# endif
+#endif
+
+#undef DEBUG
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+static int clear_block_lock_bit(vu_long * addr);
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ unsigned long size;
+ int i;
+
+ /* Init: enable write,
+ * or we cannot even write flash commands
+ */
+ for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+
+ /* set the default sector offset */
+ }
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+
+ size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size, size<<20);
+ }
+
+ /* Re-do sizing to get full correct info */
+ size = flash_get_size((vu_long *)CFG_FLASH_BASE, &flash_info[0]);
+
+ flash_info[0].size = size;
+
+#if !defined(CONFIG_RAM_AS_FLASH)
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE+monitor_flash_len-1,
+ &flash_info[0]);
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR+CFG_ENV_SECT_SIZE-1,
+ &flash_info[0]);
+#endif
+#endif
+ return (size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+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;
+ case FLASH_MAN_SHARP: printf ("Sharp "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F016SV: printf ("28F016SV (16 Mbit, 32 x 64k)\n");
+ break;
+ case FLASH_28F160S3: printf ("28F160S3 (16 Mbit, 32 x 512K)\n");
+ break;
+ case FLASH_28F320S3: printf ("28F320S3 (32 Mbit, 64 x 512K)\n");
+ break;
+ case FLASH_LH28F016SCT: printf ("28F016SC (16 Mbit, 32 x 64K)\n");
+ break;
+ case FLASH_28F640J3A: printf ("28F640J3A (64 Mbit, 64 x 128K)\n");
+ break;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " "
+ );
+ }
+ printf ("\n");
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ ulong value;
+ ulong base = (ulong)addr;
+ ulong sector_offset;
+
+#ifdef DEBUG
+ printf("Check flash at 0x%08x\n",(uint)addr);
+#endif
+ /* Write "Intelligent Identifier" command: read Manufacturer ID */
+ *addr = 0x90909090;
+ udelay(20);
+ asm("sync");
+
+ value = addr[0] & 0x00FF00FF;
+
+#ifdef DEBUG
+ printf("manufacturer=0x%x\n",(uint)value);
+#endif
+ switch (value) {
+ case MT_MANUFACT: /* SHARP, MT or => Intel */
+ case INTEL_ALT_MANU:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+ default:
+ printf("unknown manufacturer: %x\n", (unsigned int)value);
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr[1] & 0x00FF00FF; /* device ID */
+
+#ifdef DEBUG
+ printf("deviceID=0x%x\n",(uint)value);
+#endif
+ switch (value) {
+ case (INTEL_ID_28F016S):
+ info->flash_id += FLASH_28F016SV;
+ info->sector_count = 32;
+ info->size = 0x00400000;
+ sector_offset = 0x20000;
+ break; /* => 2x2 MB */
+
+ case (INTEL_ID_28F160S3):
+ info->flash_id += FLASH_28F160S3;
+ info->sector_count = 32;
+ info->size = 0x00400000;
+ sector_offset = 0x20000;
+ break; /* => 2x2 MB */
+
+ case (INTEL_ID_28F320S3):
+ info->flash_id += FLASH_28F320S3;
+ info->sector_count = 64;
+ info->size = 0x00800000;
+ sector_offset = 0x20000;
+ break; /* => 2x4 MB */
+
+ case (INTEL_ID_28F640J3A):
+ info->flash_id += FLASH_28F640J3A;
+ info->sector_count = 64;
+ info->size = 0x01000000;
+ sector_offset = 0x40000;
+ break; /* => 2x8 MB */
+
+ case SHARP_ID_28F016SCL:
+ case SHARP_ID_28F016SCZ:
+ info->flash_id = FLASH_MAN_SHARP | FLASH_LH28F016SCT;
+ info->sector_count = 32;
+ info->size = 0x00800000;
+ sector_offset = 0x40000;
+ break; /* => 4x2 MB */
+
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+ /* set up sector start address table */
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base;
+ base += sector_offset;
+ /* don't know how to check sector protection */
+ info->protect[i] = 0;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr = (vu_long *)info->start[0];
+ *addr = 0xFFFFFF; /* reset bank to read array mode */
+ asm("sync");
+ }
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ int flag, prot, 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_VENDMASK) != FLASH_MAN_INTEL)
+ && ((info->flash_id & FLASH_VENDMASK) != FLASH_MAN_SHARP) ) {
+ 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");
+ }
+
+#ifdef DEBUG
+ printf("\nFlash Erase:\n");
+#endif
+ /* Make Sure Block Lock Bit is not set. */
+ if(clear_block_lock_bit((vu_long *)(info->start[s_first]))){
+ return 1;
+ }
+
+ /* Start erase on unprotected sectors */
+#if defined(DEBUG)
+ printf("Begin to erase now,s_first=0x%x s_last=0x%x...\n",s_first,s_last);
+#endif
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ vu_long *addr = (vu_long *)(info->start[sect]);
+ asm("sync");
+
+ last = start = get_timer (0);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ /* Reset Array */
+ *addr = 0xffffffff;
+ asm("sync");
+ /* Clear Status Register */
+ *addr = 0x50505050;
+ asm("sync");
+ /* Single Block Erase Command */
+ *addr = 0x20202020;
+ asm("sync");
+ /* Confirm */
+ *addr = 0xD0D0D0D0;
+ asm("sync");
+
+ if((info->flash_id & FLASH_TYPEMASK) != FLASH_LH28F016SCT) {
+ /* Resume Command, as per errata update */
+ *addr = 0xD0D0D0D0;
+ asm("sync");
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+ while ((*addr & 0x00800080) != 0x00800080) {
+ if(*addr & 0x00200020){
+ printf("Error in Block Erase - Lock Bit may be set!\n");
+ printf("Status Register = 0x%X\n", (uint)*addr);
+ *addr = 0xFFFFFFFF; /* reset bank */
+ asm("sync");
+ return 1;
+ }
+ if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = 0xFFFFFFFF; /* reset bank */
+ asm("sync");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+
+ /* reset to read mode */
+ *addr = 0xFFFFFFFF;
+ asm("sync");
+ }
+ }
+
+ printf ("flash erase done\n");
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ vu_long *addr = (vu_long *)dest;
+ ulong start, csr;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ /* Write Command */
+ *addr = 0x10101010;
+ asm("sync");
+
+ /* Write Data */
+ *addr = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ flag = 0;
+
+ while (((csr = *addr) & 0x00800080) != 0x00800080) {
+ if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
+ flag = 1;
+ break;
+ }
+ }
+ if (csr & 0x40404040) {
+ printf ("CSR indicates write error (%08lx) at %08lx\n", csr, (ulong)addr);
+ flag = 1;
+ }
+
+ /* Clear Status Registers Command */
+ *addr = 0x50505050;
+ asm("sync");
+ /* Reset to read array mode */
+ *addr = 0xFFFFFFFF;
+ asm("sync");
+
+ return (flag);
+}
+
+/*-----------------------------------------------------------------------
+ * Clear Block Lock Bit, returns:
+ * 0 - OK
+ * 1 - Timeout
+ */
+
+static int clear_block_lock_bit(vu_long * addr)
+{
+ ulong start, now;
+
+ /* Reset Array */
+ *addr = 0xffffffff;
+ asm("sync");
+ /* Clear Status Register */
+ *addr = 0x50505050;
+ asm("sync");
+
+ *addr = 0x60606060;
+ asm("sync");
+ *addr = 0xd0d0d0d0;
+ asm("sync");
+
+ start = get_timer (0);
+ while((*addr & 0x00800080) != 0x00800080){
+ if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout on clearing Block Lock Bit\n");
+ *addr = 0xFFFFFFFF; /* reset bank */
+ asm("sync");
+ return 1;
+ }
+ }
+ return 0;
+}
+
+#endif /* !CFG_NO_FLASH */
diff --git a/board/mpc8540ads/init.S b/board/mpc8540ads/init.S
new file mode 100644
index 0000000..8c2ca65
--- /dev/null
+++ b/board/mpc8540ads/init.S
@@ -0,0 +1,178 @@
+/*
+* Copyright (C) 2002,2003, Motorola Inc.
+* Xianghua Xiao <X.Xiao@motorola.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 <ppc_asm.tmpl>
+#include <ppc_defs.h>
+#include <asm/cache.h>
+#include <asm/mmu.h>
+#include <config.h>
+#include <mpc85xx.h>
+
+#define entry_start \
+ mflr r1 ; \
+ bl 0f ;
+
+#define entry_end \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+/* TLB1 entries configuration: */
+
+ .section .bootpg, "ax"
+ .globl tlb1_entry
+tlb1_entry:
+ entry_start
+
+ .long 0x0a /* the following data table uses a few of 16 TLB entries */
+
+ .long TLB1_MAS0(1,1,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ #if defined(CFG_FLASH_PORT_WIDTH_16)
+ .long TLB1_MAS0(1,2,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+ .long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,3,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M)
+ .long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1)
+ #else
+ .long TLB1_MAS0(1,2,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M)
+ .long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,3,0)
+ .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+ #endif
+
+ #if !defined(CONFIG_SPD_EEPROM)
+ .long TLB1_MAS0(1,4,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,5,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+ .long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+ #else
+ .long TLB1_MAS0(1,4,0)
+ .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,5,0)
+ .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+ #endif
+
+ .long TLB1_MAS0(1,6,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M)
+ #if defined(CONFIG_RAM_AS_FLASH)
+ .long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ #else
+ .long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+ #endif
+ .long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,7,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+ #ifdef CONFIG_L2_INIT_RAM
+ .long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0)
+ #else
+ .long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0)
+ #endif
+ .long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,8,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M)
+ .long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ .long TLB1_MAS0(1,9,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K)
+ .long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+
+ #if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR)
+ .long TLB1_MAS0(1,15,0)
+ .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0)
+ .long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)
+ #else
+ .long TLB1_MAS0(1,15,0)
+ .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M)
+ .long TLB1_MAS2(0,0,0,0,0,0,0,0,0)
+ .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1)
+ #endif
+ entry_end
+
+/* LAW(Local Access Window) configuration:
+ * 0000_0000-0800_0000: DDR(128M) -or- larger
+ * f000_0000-f3ff_ffff: PCI(256M)
+ * f400_0000-f7ff_ffff: RapidIO(128M)
+ * f800_0000-ffff_ffff: localbus(128M)
+ * f800_0000-fbff_ffff: LBC SDRAM(64M)
+ * fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M)
+ * fdf0_0000-fdff_ffff: CCSRBAR(1M)
+ * fe00_0000-ffff_ffff: Flash(32M)
+ * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access
+ * Window.
+ * Note: If flash is 8M at default position(last 8M),no LAW needed.
+ */
+
+#if !defined(CONFIG_SPD_EEPROM)
+#define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR0 0
+#define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+#define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff)
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#if !defined(CONFIG_RAM_AS_FLASH)
+#define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff)
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M))
+#else
+#define LAWBAR2 0
+#define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN)
+#endif
+
+ .section .bootpg, "ax"
+ .globl law_entry
+law_entry:
+ entry_start
+ .long 0x03
+ .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2
+ entry_end
diff --git a/board/mpc8540ads/mpc8540ads.c b/board/mpc8540ads/mpc8540ads.c
new file mode 100644
index 0000000..c21cd9e
--- /dev/null
+++ b/board/mpc8540ads/mpc8540ads.c
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2002,2003, Motorola Inc.
+ * Xianghua Xiao, (X.Xiao@motorola.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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
+ */
+
+
+extern long int spd_sdram (void);
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/immap_85xx.h>
+#include <spd.h>
+
+long int fixed_sdram (void);
+
+/* MPC8540ADS Board Status & Control Registers */
+#if 0
+typedef struct bscr_ {
+ unsigned long bcsr0;
+ unsigned long bcsr1;
+ unsigned long bcsr2;
+ unsigned long bcsr3;
+ unsigned long bcsr4;
+ unsigned long bcsr5;
+ unsigned long bcsr6;
+ unsigned long bcsr7;
+} bcsr_t;
+#endif
+
+int board_pre_init (void)
+{
+#if defined(CONFIG_PCI)
+ volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ volatile ccsr_pcix_t *pci = &immr->im_pcix;
+
+ pci->peer &= 0xffffffdf; /* disable master abort */
+#endif
+ return 0;
+}
+
+int checkboard (void)
+{
+ sys_info_t sysinfo;
+
+ get_sys_info (&sysinfo);
+
+ printf ("Board: Motorola MPC8540ADS Board\n");
+ printf ("\tCPU: %lu MHz\n", sysinfo.freqProcessor / 1000000);
+ printf ("\tCCB: %lu MHz\n", sysinfo.freqSystemBus / 1000000);
+ printf ("\tDDR: %lu MHz\n", sysinfo.freqSystemBus / 2000000);
+ if((CFG_LBC_LCRR & 0x0f) == 2 || (CFG_LBC_LCRR & 0x0f) == 4 \
+ || (CFG_LBC_LCRR & 0x0f) == 8) {
+ printf ("\tLBC: %lu MHz\n", sysinfo.freqSystemBus / 1000000 /(CFG_LBC_LCRR & 0x0f));
+ } else {
+ printf("\tLBC: unknown\n");
+ }
+ printf("L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
+ return (0);
+}
+
+long int initdram (int board_type)
+{
+ long dram_size = 0;
+ extern long spd_sdram (void);
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+#if !defined(CONFIG_RAM_AS_FLASH)
+ volatile ccsr_lbc_t *lbc= &immap->im_lbc;
+ sys_info_t sysinfo;
+ uint temp_lbcdll = 0;
+#endif
+#if !defined(CONFIG_RAM_AS_FLASH) || defined(CONFIG_DDR_DLL)
+ volatile ccsr_gur_t *gur= &immap->im_gur;
+#endif
+#if defined(CONFIG_DDR_DLL)
+ uint temp_ddrdll = 0;
+
+ /* Work around to stabilize DDR DLL */
+ temp_ddrdll = gur->ddrdllcr;
+ gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
+ asm("sync;isync;msync");
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram ();
+#else
+ dram_size = fixed_sdram ();
+#endif
+
+#if !defined(CONFIG_RAM_AS_FLASH) /* LocalBus is not emulating flash */
+ get_sys_info(&sysinfo);
+ /* if localbus freq is less than 66Mhz,we use bypass mode,otherwise use DLL */
+ if(sysinfo.freqSystemBus/(CFG_LBC_LCRR & 0x0f) < 66000000) {
+ lbc->lcrr = (CFG_LBC_LCRR & 0x0fffffff)| 0x80000000;
+ } else {
+#if defined(CONFIG_MPC85xx_REV1) /* need change CLKDIV before enable DLL */
+ lbc->lcrr = 0x10000004; /* default CLKDIV is 8, change it to 4 temporarily */
+#endif
+ lbc->lcrr = CFG_LBC_LCRR & 0x7fffffff;
+ udelay(200);
+ temp_lbcdll = gur->lbcdllcr;
+ gur->lbcdllcr = ((temp_lbcdll & 0xff) << 16 ) | 0x80000000;
+ asm("sync;isync;msync");
+ }
+ lbc->or2 = CFG_OR2_PRELIM; /* 64MB SDRAM */
+ lbc->br2 = CFG_BR2_PRELIM;
+ lbc->lbcr = CFG_LBC_LBCR;
+ lbc->lsdmr = CFG_LBC_LSDMR_1;
+ asm("sync");
+ (unsigned int) * (ulong *)0 = 0x000000ff;
+ lbc->lsdmr = CFG_LBC_LSDMR_2;
+ asm("sync");
+ (unsigned int) * (ulong *)0 = 0x000000ff;
+ lbc->lsdmr = CFG_LBC_LSDMR_3;
+ asm("sync");
+ (unsigned int) * (ulong *)0 = 0x000000ff;
+ lbc->lsdmr = CFG_LBC_LSDMR_4;
+ asm("sync");
+ (unsigned int) * (ulong *)0 = 0x000000ff;
+ lbc->lsdmr = CFG_LBC_LSDMR_5;
+ asm("sync");
+ lbc->lsrt = CFG_LBC_LSRT;
+ asm("sync");
+ lbc->mrtpr = CFG_LBC_MRTPR;
+ asm("sync");
+#endif
+
+#if defined(CONFIG_DDR_ECC)
+ {
+ /* Initialize all of memory for ECC, then
+ * enable errors */
+ uint *p = 0;
+ uint i = 0;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_ddr_t *ddr= &immap->im_ddr;
+ dma_init();
+ for (*p = 0; p < (uint *)(8 * 1024); p++) {
+ if (((unsigned int)p & 0x1f) == 0) { dcbz(p); }
+ *p = (unsigned int)0xdeadbeef;
+ if (((unsigned int)p & 0x1c) == 0x1c) { dcbf(p); }
+ }
+
+ /* 8K */
+ dma_xfer((uint *)0x2000,0x2000,(uint *)0);
+ /* 16K */
+ dma_xfer((uint *)0x4000,0x4000,(uint *)0);
+ /* 32K */
+ dma_xfer((uint *)0x8000,0x8000,(uint *)0);
+ /* 64K */
+ dma_xfer((uint *)0x10000,0x10000,(uint *)0);
+ /* 128k */
+ dma_xfer((uint *)0x20000,0x20000,(uint *)0);
+ /* 256k */
+ dma_xfer((uint *)0x40000,0x40000,(uint *)0);
+ /* 512k */
+ dma_xfer((uint *)0x80000,0x80000,(uint *)0);
+ /* 1M */
+ dma_xfer((uint *)0x100000,0x100000,(uint *)0);
+ /* 2M */
+ dma_xfer((uint *)0x200000,0x200000,(uint *)0);
+ /* 4M */
+ dma_xfer((uint *)0x400000,0x400000,(uint *)0);
+
+ for (i = 1; i < dram_size / 0x800000; i++) {
+ dma_xfer((uint *)(0x800000*i),0x800000,(uint *)0);
+ }
+
+ /* Enable errors for ECC */
+ ddr->err_disable = 0x00000000;
+ asm("sync;isync;msync");
+ }
+#endif
+
+ return dram_size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("SDRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("SDRAM test passed.\n");
+ return 0;
+}
+#endif
+
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ * fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+ #ifndef CFG_RAMBOOT
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_ddr_t *ddr= &immap->im_ddr;
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_mode = CFG_DDR_MODE;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ #if defined (CONFIG_DDR_ECC)
+ ddr->err_disable = 0x0000000D;
+ ddr->err_sbe = 0x00ff0000;
+ #endif
+ asm("sync;isync;msync");
+ udelay(500);
+ #if defined (CONFIG_DDR_ECC)
+ /* Enable ECC checking */
+ ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
+ #else
+ ddr->sdram_cfg = CFG_DDR_CONTROL;
+ #endif
+ asm("sync; isync; msync");
+ udelay(500);
+ #endif
+ return (CFG_SDRAM_SIZE * 1024 * 1024);
+}
+#endif /* !defined(CONFIG_SPD_EEPROM) */
diff --git a/board/mpc8540ads/u-boot.lds b/board/mpc8540ads/u-boot.lds
new file mode 100644
index 0000000..56dd457
--- /dev/null
+++ b/board/mpc8540ads/u-boot.lds
@@ -0,0 +1,148 @@
+/*
+ * (C) Copyright 2002,2003, Motorola,Inc.
+ * Xianghua Xiao, X.Xiao@motorola.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
+ */
+
+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
+{
+ .resetvec 0xFFFFFFFC :
+ {
+ *(.resetvec)
+ } = 0xffff
+
+ .bootpg 0xFFFFF000 :
+ {
+ cpu/mpc85xx/start.o (.bootpg)
+ board/mpc8540ads/init.o (.bootpg)
+ } = 0xffff
+
+ /* 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/mpc85xx/start.o (.text)
+ board/mpc8540ads/init.o (.text)
+ cpu/mpc85xx/traps.o (.text)
+ cpu/mpc85xx/interrupts.o (.text)
+ cpu/mpc85xx/cpu_init.o (.text)
+ cpu/mpc85xx/cpu.o (.text)
+ cpu/mpc85xx/tsec.o (.text)
+ cpu/mpc85xx/speed.o (.text)
+ cpu/mpc85xx/pci.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_ppc/extable.o (.text)
+ lib_generic/zlib.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 = .);
+}
generated by cgit v1.1 at 2024-11-23 23:15:51 +0000