[U-Boot-Users] [PATCH 1/2] Add support for SBC8641D
Joe Hamman
joe.hamman at embeddedspecialties.com
Thu Aug 9 22:10:53 CEST 2007
Add support for Wind River's SBC8641D reference board.
Signed-off by: Joe Hamman <joe.hamman at embeddedspecialties.com>
diff -uprN -X ../dontdiff a/board/sbc8641d/config.mk b/board/sbc8641d/config.mk
--- a/board/sbc8641d/config.mk 1969-12-31 18:00:00.000000000 -0600
+++ b/board/sbc8641d/config.mk 2007-08-09 09:22:29.000000000 -0500
@@ -0,0 +1,30 @@
+# Copyright 2004 Freescale Semiconductor.
+# Modified by Jeff Brown
+#
+# 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
+#
+
+#
+# sbc8641 board
+# default CCSRBAR is at 0xff700000
+#
+TEXT_BASE = 0xfff00000
+
+PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx=1
+PLATFORM_CPPFLAGS += -DCONFIG_MPC8641=1 -maltivec -mabi=altivec -msoft-float
diff -uprN -X ../dontdiff a/board/sbc8641d/init.S b/board/sbc8641d/init.S
--- a/board/sbc8641d/init.S 1969-12-31 18:00:00.000000000 -0600
+++ b/board/sbc8641d/init.S 2007-08-09 09:22:29.000000000 -0500
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ * Joe Hamman joe.hamman at embeddedspecialties.com
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * Jeff Brown
+ * Srikanth Srinivasan (srikanth.srinivasan at freescale.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 <mpc86xx.h>
+
+/*
+ * LAW(Local Access Window) configuration:
+ *
+ * 0x0000_0000 0x0fff_ffff DDR1 256M
+ * 0x1000_0000 0x1fff_ffff DDR2 256M
+ * 0xe000_0000 0xffff_ffff LBC 512M
+ *
+ * Notes:
+ * CCSRBAR doesn't need a configured Local Access Window.
+ * If flash is 8M at default position (last 8M), no LAW needed.
+ */
+
+# DDR Bank 1
+# #define LAWBAR1 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff)
+# #define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+# DDR Bank 2
+# #define LAWBAR2 ((CFG_DDR_SDRAM_BASE2>>12) & 0xffffff)
+# #define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+# LBC
+# #define LAWBAR3 ((0xe0000000>>12) & 0xffffff)
+# #define LAWAR3 (LAWAR_EN & (LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_512M)))
+
+/*
+ * LAW (Local Access Window) configuration:
+ *
+ * 0x0000_0000 DDR 256M
+ * 0x1000_0000 DDR2 256M
+ * 0x8000_0000 PCI1 MEM 512M
+ * 0xa000_0000 PCI2 MEM 512M
+ * 0xc000_0000 RapidIO 512M
+ * 0xe200_0000 PCI1 IO 16M
+ * 0xe300_0000 PCI2 IO 16M
+ * 0xf800_0000 CCSRBAR 2M
+ * 0xfe00_0000 FLASH (boot bank) 32M
+ *
+ */
+
+#define LAWBAR1 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff)
+#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#define LAWBAR2 ((CFG_PCI1_MEM_BASE>>12) & 0xffffff)
+#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+#define LAWBAR3 ((CFG_PCI2_MEM_BASE>>12) & 0xffffff)
+#define LAWAR3 (~LAWAR_EN & (LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M)))
+
+#define LAWBAR4 ((0xf8000000>>12) & 0xffffff)
+#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_2M))
+
+#define LAWBAR5 ((CFG_PCI1_IO_BASE>>12) & 0xffffff)
+#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M))
+
+#define LAWBAR6 ((CFG_PCI2_IO_BASE>>12) & 0xffffff)
+#define LAWAR6 (~LAWAR_EN &( LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)))
+
+#define LAWBAR7 ((0xfe000000 >>12) & 0xffffff)
+#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M))
+
+#define LAWBAR8 ((CFG_DDR_SDRAM_BASE2>>12) & 0xffffff)
+#define LAWAR8 (LAWAR_EN | LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+
+#define LAWBAR9 ((CFG_RIO_MEM_BASE>>12) & 0xfffff)
+#define LAWAR9 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M))
+
+ .section .bootpg, "ax"
+ .globl law_entry
+law_entry:
+ lis r7,CFG_CCSRBAR at h
+ ori r7,r7,CFG_CCSRBAR at l
+
+ addi r4,r7,0
+ addi r5,r7,0
+
+ /* Skip LAWAR0, start at LAWAR1 */
+ lis r6,LAWBAR1 at h
+ ori r6,r6,LAWBAR1 at l
+ stwu r6, 0xc28(r4)
+
+ lis r6,LAWAR1 at h
+ ori r6,r6,LAWAR1 at l
+ stwu r6, 0xc30(r5)
+
+ /* LAWBAR2, LAWAR2 */
+ lis r6,LAWBAR2 at h
+ ori r6,r6,LAWBAR2 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR2 at h
+ ori r6,r6,LAWAR2 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR3, LAWAR3 */
+ lis r6,LAWBAR3 at h
+ ori r6,r6,LAWBAR3 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR3 at h
+ ori r6,r6,LAWAR3 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR4, LAWAR4 */
+ lis r6,LAWBAR4 at h
+ ori r6,r6,LAWBAR4 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR4 at h
+ ori r6,r6,LAWAR4 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR5, LAWAR5 */
+ lis r6,LAWBAR5 at h
+ ori r6,r6,LAWBAR5 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR5 at h
+ ori r6,r6,LAWAR5 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR6, LAWAR6 */
+ lis r6,LAWBAR6 at h
+ ori r6,r6,LAWBAR6 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR6 at h
+ ori r6,r6,LAWAR6 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR7, LAWAR7 */
+ lis r6,LAWBAR7 at h
+ ori r6,r6,LAWBAR7 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR7 at h
+ ori r6,r6,LAWAR7 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR8, LAWAR8 */
+ lis r6,LAWBAR8 at h
+ ori r6,r6,LAWBAR8 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR8 at h
+ ori r6,r6,LAWAR8 at l
+ stwu r6, 0x20(r5)
+
+ /* LAWBAR9, LAWAR9 */
+ lis r6,LAWBAR9 at h
+ ori r6,r6,LAWBAR9 at l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR9 at h
+ ori r6,r6,LAWAR9 at l
+ stwu r6, 0x20(r5)
+
+ blr
diff -uprN -X ../dontdiff a/board/sbc8641d/Makefile b/board/sbc8641d/Makefile
--- a/board/sbc8641d/Makefile 1969-12-31 18:00:00.000000000 -0600
+++ b/board/sbc8641d/Makefile 2007-08-09 09:22:29.000000000 -0500
@@ -0,0 +1,52 @@
+#
+# (C) Copyright 2001
+# Wolfgang Denk, DENX Software Engineering, wd at 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 = $(obj)lib$(BOARD).a
+
+COBJS := $(BOARD).o
+SOBJS := init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+ rm -f $(OBJS) $(SOBJS)
+
+.PHONY: distclean
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude ($obj).depend
+
+#########################################################################
diff -uprN -X ../dontdiff a/board/sbc8641d/sbc8641d.c b/board/sbc8641d/sbc8641d.c
--- a/board/sbc8641d/sbc8641d.c 1969-12-31 18:00:00.000000000 -0600
+++ b/board/sbc8641d/sbc8641d.c 2007-08-09 09:22:29.000000000 -0500
@@ -0,0 +1,326 @@
+/*
+ * Copyright 2007 Wind River Systemes, Inc. <www.windriver.com>
+ * Copyright 2007 Embedded Specialties, Inc.
+ * Joe Hamman joe.hamman at embeddedspecialties.com
+ *
+ * Copyright 2004 Freescale Semiconductor.
+ * Jeff Brown
+ * Srikanth Srinivasan (srikanth.srinivasan at freescale.com)
+ *
+ * (C) Copyright 2002 Scott McNutt <smcnutt at 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
+ */
+
+#include <common.h>
+#include <command.h>
+#include <pci.h>
+#include <asm/processor.h>
+#include <asm/immap_86xx.h>
+#include <spd.h>
+
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup (void *blob, bd_t * bd);
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc (unsigned int dram_size);
+#endif
+
+#if defined(CONFIG_SPD_EEPROM)
+#include "spd_sdram.h"
+#endif
+
+void sdram_init (void);
+long int fixed_sdram (void);
+
+int board_early_init_f (void)
+{
+ return 0;
+}
+
+int checkboard (void)
+{
+ puts ("Board: Wind River SBC8641D\n");
+
+#ifdef CONFIG_PCI
+
+ volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+ volatile ccsr_pex_t *pex1 = &immap->im_pex1;
+
+ uint devdisr = gur->devdisr;
+ uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16;
+ uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17;
+ uint pex1_agent = (host1_agent == 0) || (host1_agent == 1);
+
+ if ((io_sel == 2 || io_sel == 3 || io_sel == 5
+ || io_sel == 6 || io_sel == 7 || io_sel == 0xF)
+ && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) {
+ debug ("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host");
+ debug ("0x%08x=0x%08x ", &pex1->pme_msg_det, pex1->pme_msg_det);
+ if (pex1->pme_msg_det) {
+ pex1->pme_msg_det = 0xffffffff;
+ debug (" with errors. Clearing. Now 0x%08x",
+ pex1->pme_msg_det);
+ }
+ debug ("\n");
+ } else {
+ puts ("PCI-EXPRESS 1: Disabled in hardware\n");
+ }
+
+#else
+ puts ("PCI-EXPRESS1: Disabled in configuration\n");
+#endif
+
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram ();
+#else
+ dram_size = fixed_sdram ();
+#endif
+
+#if defined(CFG_RAMBOOT)
+ puts (" DDR: ");
+ return dram_size;
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc (dram_size);
+#endif
+
+ puts (" DDR: ");
+ 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;
+
+ puts ("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;
+ }
+ }
+
+ puts ("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;
+ }
+ }
+
+ puts ("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)
+{
+#if !defined(CFG_RAMBOOT)
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
+
+ ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
+ ddr->cs1_bnds = CFG_DDR_CS1_BNDS;
+ ddr->cs2_bnds = CFG_DDR_CS2_BNDS;
+ ddr->cs3_bnds = CFG_DDR_CS3_BNDS;
+ ddr->cs0_config = CFG_DDR_CS0_CONFIG;
+ ddr->cs1_config = CFG_DDR_CS1_CONFIG;
+ ddr->cs2_config = CFG_DDR_CS2_CONFIG;
+ ddr->cs3_config = CFG_DDR_CS3_CONFIG;
+ ddr->ext_refrec = CFG_DDR_EXT_REFRESH;
+ ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
+ ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
+ ddr->sdram_cfg_1 = CFG_DDR_CFG_1A;
+ ddr->sdram_cfg_2 = CFG_DDR_CFG_2;
+ ddr->sdram_mode_1 = CFG_DDR_MODE_1;
+ ddr->sdram_mode_2 = CFG_DDR_MODE_2;
+ ddr->sdram_mode_cntl = CFG_DDR_MODE_CTL;
+ ddr->sdram_interval = CFG_DDR_INTERVAL;
+ ddr->sdram_data_init = CFG_DDR_DATA_INIT;
+ ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
+
+ asm ("sync;isync");
+
+ udelay (500);
+
+ ddr->sdram_cfg_1 = CFG_DDR_CFG_1B;
+ asm ("sync; isync");
+
+ udelay (500);
+ ddr = &immap->im_ddr2;
+
+ ddr->cs0_bnds = CFG_DDR2_CS0_BNDS;
+ ddr->cs1_bnds = CFG_DDR2_CS1_BNDS;
+ ddr->cs2_bnds = CFG_DDR2_CS2_BNDS;
+ ddr->cs3_bnds = CFG_DDR2_CS3_BNDS;
+ ddr->cs0_config = CFG_DDR2_CS0_CONFIG;
+ ddr->cs1_config = CFG_DDR2_CS1_CONFIG;
+ ddr->cs2_config = CFG_DDR2_CS2_CONFIG;
+ ddr->cs3_config = CFG_DDR2_CS3_CONFIG;
+ ddr->ext_refrec = CFG_DDR2_EXT_REFRESH;
+ ddr->timing_cfg_0 = CFG_DDR2_TIMING_0;
+ ddr->timing_cfg_1 = CFG_DDR2_TIMING_1;
+ ddr->timing_cfg_2 = CFG_DDR2_TIMING_2;
+ ddr->sdram_cfg_1 = CFG_DDR2_CFG_1A;
+ ddr->sdram_cfg_2 = CFG_DDR2_CFG_2;
+ ddr->sdram_mode_1 = CFG_DDR2_MODE_1;
+ ddr->sdram_mode_2 = CFG_DDR2_MODE_2;
+ ddr->sdram_mode_cntl = CFG_DDR2_MODE_CTL;
+ ddr->sdram_interval = CFG_DDR2_INTERVAL;
+ ddr->sdram_data_init = CFG_DDR2_DATA_INIT;
+ ddr->sdram_clk_cntl = CFG_DDR2_CLK_CTRL;
+
+ asm ("sync;isync");
+
+ udelay (500);
+
+ ddr->sdram_cfg_1 = CFG_DDR2_CFG_1B;
+ asm ("sync; isync");
+
+ udelay (500);
+#endif
+ return CFG_SDRAM_SIZE * 1024 * 1024;
+}
+#endif /* !defined(CONFIG_SPD_EEPROM) */
+
+#if defined(CONFIG_PCI)
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_fsl86xxads_config_table[] = {
+ {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_IDSEL_NUMBER, PCI_ANY_ID,
+ pci_cfgfunc_config_device, {PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}},
+ {}
+};
+#endif
+
+static struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table:pci_mpc86xxcts_config_table,
+#endif
+};
+
+#endif /* CONFIG_PCI */
+
+void pci_init_board (void)
+{
+#ifdef CONFIG_PCI
+ extern void pci_mpc86xx_init (struct pci_controller *hose);
+
+ pci_mpc86xx_init (&hose);
+#endif /* CONFIG_PCI */
+}
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup (void *blob, bd_t * bd)
+{
+ u32 *p;
+ int len;
+
+ ft_cpu_setup (blob, bd);
+
+ p = ft_get_prop (blob, "/memory/reg", &len);
+ if (p != NULL) {
+ *p++ = cpu_to_be32 (bd->bi_memstart);
+ *p = cpu_to_be32 (bd->bi_memsize);
+ }
+}
+#endif
+
+void sbc8641d_reset_board (void)
+{
+ puts ("Resetting board....\n");
+}
+
+/*
+ * get_board_sys_clk
+ * Clock is fixed at 1GHz on this board. Used for CONFIG_SYS_CLK_FREQ
+ */
+
+unsigned long get_board_sys_clk (ulong dummy)
+{
+ int i;
+ ulong val = 0;
+
+ i = 5;
+ i &= 0x07;
+
+ switch (i) {
+ case 0:
+ val = 33000000;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66000000;
+ break;
+ case 4:
+ val = 83000000;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 134000000;
+ break;
+ case 7:
+ val = 166000000;
+ break;
+ }
+
+ return val;
+}
diff -uprN -X ../dontdiff a/board/sbc8641d/u-boot.lds b/board/sbc8641d/u-boot.lds
--- a/board/sbc8641d/u-boot.lds 1969-12-31 18:00:00.000000000 -0600
+++ b/board/sbc8641d/u-boot.lds 2007-08-09 10:16:20.000000000 -0500
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2006, 2007 Freescale Semiconductor, 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
+ */
+
+OUTPUT_ARCH(powerpc)
+
+SECTIONS
+{
+
+ /* Read-only sections, merged into text segment: */
+ .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/mpc86xx/start.o (.text)
+ board/sbc8641d/init.o (.bootpg)
+ cpu/mpc86xx/traps.o (.text)
+ cpu/mpc86xx/interrupts.o (.text)
+ cpu/mpc86xx/cpu_init.o (.text)
+ cpu/mpc86xx/cpu.o (.text)
+ cpu/mpc86xx/speed.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)
+ *(.eh_frame)
+ }
+ .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 = .);
+}
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