mpc83xx: Add support for the MPC832XEMDS board

This patch supports DUART, ETH3/4 and PCI etc.

Signed-off-by: Dave Liu <daveliu@freescale.com>

5 files changed, 690 insertions, 0 deletions

diff --git a/board/mpc832xemds/Makefile b/board/mpc832xemds/Makefile
new file mode 100644
index 0000000..5ec7a87
--- /dev/null
+++ b/board/mpc832xemds/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	:= $(BOARD).o pci.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+clean:
+	rm -f $(SOBJS) $(OBJS)
+
+distclean:	clean
+	rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/mpc832xemds/config.mk b/board/mpc832xemds/config.mk
new file mode 100644
index 0000000..6c3eca7
--- /dev/null
+++ b/board/mpc832xemds/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# MPC832XEMDS
+#
+
+TEXT_BASE = 0xFE000000
diff --git a/board/mpc832xemds/mpc832xemds.c b/board/mpc832xemds/mpc832xemds.c
new file mode 100644
index 0000000..772da67
--- /dev/null
+++ b/board/mpc832xemds/mpc832xemds.c
@@ -0,0 +1,176 @@
+/*
+ * Copyright (C) 2006 Freescale Semiconductor, Inc.
+ *
+ * Dave Liu <daveliu@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.
+ */
+
+#include <common.h>
+#include <ioports.h>
+#include <mpc83xx.h>
+#include <i2c.h>
+#include <spd.h>
+#include <miiphy.h>
+#include <command.h>
+#if defined(CONFIG_PCI)
+#include <pci.h>
+#endif
+#if defined(CONFIG_SPD_EEPROM)
+#include <spd_sdram.h>
+#else
+#include <asm/mmu.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+#endif
+
+const qe_iop_conf_t qe_iop_conf_tab[] = {
+	/* ETH3 */
+	{1,  0, 1, 0, 1}, /* TxD0 */
+	{1,  1, 1, 0, 1}, /* TxD1 */
+	{1,  2, 1, 0, 1}, /* TxD2 */
+	{1,  3, 1, 0, 1}, /* TxD3 */
+	{1,  9, 1, 0, 1}, /* TxER */
+	{1, 12, 1, 0, 1}, /* TxEN */
+	{3, 24, 2, 0, 1}, /* TxCLK->CLK10 */
+
+	{1,  4, 2, 0, 1}, /* RxD0 */
+	{1,  5, 2, 0, 1}, /* RxD1 */
+	{1,  6, 2, 0, 1}, /* RxD2 */
+	{1,  7, 2, 0, 1}, /* RxD3 */
+	{1,  8, 2, 0, 1}, /* RxER */
+	{1, 10, 2, 0, 1}, /* RxDV */
+	{0, 13, 2, 0, 1}, /* RxCLK->CLK9 */
+	{1, 11, 2, 0, 1}, /* COL */
+	{1, 13, 2, 0, 1}, /* CRS */
+
+	/* ETH4 */
+	{1, 18, 1, 0, 1}, /* TxD0 */
+	{1, 19, 1, 0, 1}, /* TxD1 */
+	{1, 20, 1, 0, 1}, /* TxD2 */
+	{1, 21, 1, 0, 1}, /* TxD3 */
+	{1, 27, 1, 0, 1}, /* TxER */
+	{1, 30, 1, 0, 1}, /* TxEN */
+	{3,  6, 2, 0, 1}, /* TxCLK->CLK8 */
+
+	{1, 22, 2, 0, 1}, /* RxD0 */
+	{1, 23, 2, 0, 1}, /* RxD1 */
+	{1, 24, 2, 0, 1}, /* RxD2 */
+	{1, 25, 2, 0, 1}, /* RxD3 */
+	{1, 26, 1, 0, 1}, /* RxER */
+	{1, 28, 2, 0, 1}, /* Rx_DV */
+	{3, 31, 2, 0, 1}, /* RxCLK->CLK7 */
+	{1, 29, 2, 0, 1}, /* COL */
+	{1, 31, 2, 0, 1}, /* CRS */
+
+	{3,  4, 3, 0, 2}, /* MDIO */
+	{3,  5, 1, 0, 2}, /* MDC */
+
+	{0,  0, 0, 0, QE_IOP_TAB_END}, /* END of table */
+};
+
+int board_early_init_f(void)
+{
+	volatile u8 *bcsr = (volatile u8 *)CFG_BCSR;
+
+	/* Enable flash write */
+	bcsr[9] &= ~0x08;
+
+	return 0;
+}
+
+int fixed_sdram(void);
+
+long int initdram(int board_type)
+{
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
+	u32 msize = 0;
+
+	if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im)
+		return -1;
+
+	/* DDR SDRAM - Main SODIMM */
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR;
+
+	msize = fixed_sdram();
+
+	puts("\n   DDR RAM: ");
+
+	/* return total bus SDRAM size(bytes)  -- DDR */
+	return (msize * 1024 * 1024);
+}
+
+/*************************************************************************
+ *  fixed sdram init -- doesn't use serial presence detect.
+ ************************************************************************/
+int fixed_sdram(void)
+{
+	volatile immap_t *im = (immap_t *) CFG_IMMR;
+	u32 msize = 0;
+	u32 ddr_size;
+	u32 ddr_size_log2;
+
+	msize = CFG_DDR_SIZE;
+	for (ddr_size = msize << 20, ddr_size_log2 = 0;
+	     (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) {
+		if (ddr_size & 1) {
+			return -1;
+		}
+	}
+	im->sysconf.ddrlaw[0].ar =
+	    LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
+#if (CFG_DDR_SIZE != 128)
+#warning Currenly any ddr size other than 128 is not supported
+#endif
+	im->ddr.sdram_clk_cntl = CFG_DDR_CLK_CNTL;
+	im->ddr.csbnds[0].csbnds = CFG_DDR_CS0_BNDS;
+	im->ddr.cs_config[0] = CFG_DDR_CS0_CONFIG;
+	im->ddr.timing_cfg_0 = CFG_DDR_TIMING_0;
+	im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1;
+	im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;
+	im->ddr.timing_cfg_3 = CFG_DDR_TIMING_3;
+	im->ddr.sdram_cfg = CFG_DDR_SDRAM_CFG;
+	im->ddr.sdram_cfg2 = CFG_DDR_SDRAM_CFG2;
+	im->ddr.sdram_mode = CFG_DDR_MODE;
+	im->ddr.sdram_mode2 = CFG_DDR_MODE2;
+	im->ddr.sdram_interval = CFG_DDR_INTERVAL;
+	__asm__ __volatile__ ("sync");
+	udelay(200);
+
+	im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN;
+	__asm__ __volatile__ ("sync");
+	return msize;
+}
+
+int checkboard(void)
+{
+	puts("Board: Freescale MPC832XEMDS\n");
+	return 0;
+}
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+	u32 *p;
+	int len;
+
+#ifdef CONFIG_PCI
+	ft_pci_setup(blob, bd);
+#endif
+	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
diff --git a/board/mpc832xemds/pci.c b/board/mpc832xemds/pci.c
new file mode 100644
index 0000000..09f3ac3
--- /dev/null
+++ b/board/mpc832xemds/pci.c
@@ -0,0 +1,313 @@
+/*
+ * Copyright (C) 2006 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.
+ */
+
+/*
+ * PCI Configuration space access support for MPC83xx PCI Bridge
+ */
+#include <asm/mmu.h>
+#include <asm/io.h>
+#include <common.h>
+#include <pci.h>
+#include <i2c.h>
+
+#include <asm/fsl_i2c.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_PCI)
+#define PCI_FUNCTION_CONFIG   0x44
+#define PCI_FUNCTION_CFG_LOCK 0x20
+
+/*
+ * Initialize PCI Devices, report devices found
+ */
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_mpc83xxemds_config_table[] = {
+	{
+		PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+		pci_cfgfunc_config_device,
+		{PCI_ENET0_IOADDR,
+		PCI_ENET0_MEMADDR,
+		PCI_COMMON_MEMORY | PCI_COMMAND_MASTER}
+	},
+	{}
+}
+#endif
+static struct pci_controller hose[] = {
+	{
+#ifndef CONFIG_PCI_PNP
+		config_table:pci_mpc83xxemds_config_table,
+#endif
+	},
+};
+
+/**********************************************************************
+ * pci_init_board()
+ *********************************************************************/
+void pci_init_board(void)
+#ifdef CONFIG_PCISLAVE
+{
+	u16 reg16;
+	volatile immap_t *immr;
+	volatile law83xx_t *pci_law;
+	volatile pot83xx_t *pci_pot;
+	volatile pcictrl83xx_t *pci_ctrl;
+	volatile pciconf83xx_t *pci_conf;
+
+	immr = (immap_t *) CFG_IMMR;
+	pci_law = immr->sysconf.pcilaw;
+	pci_pot = immr->ios.pot;
+	pci_ctrl = immr->pci_ctrl;
+	pci_conf = immr->pci_conf;
+	/*
+	 * Configure PCI Inbound Translation Windows
+	 */
+	pci_ctrl[0].pitar0 = 0x0;
+	pci_ctrl[0].pibar0 = 0x0;
+	pci_ctrl[0].piwar0 = PIWAR_EN | PIWAR_RTT_SNOOP |
+	    PIWAR_WTT_SNOOP | PIWAR_IWS_4K;
+
+	pci_ctrl[0].pitar1 = 0x0;
+	pci_ctrl[0].pibar1 = 0x0;
+	pci_ctrl[0].piebar1 = 0x0;
+	pci_ctrl[0].piwar1 &= ~PIWAR_EN;
+
+	pci_ctrl[0].pitar2 = 0x0;
+	pci_ctrl[0].pibar2 = 0x0;
+	pci_ctrl[0].piebar2 = 0x0;
+	pci_ctrl[0].piwar2 &= ~PIWAR_EN;
+
+	hose[0].first_busno = 0;
+	hose[0].last_busno = 0xff;
+	pci_setup_indirect(&hose[0],
+			   (CFG_IMMR + 0x8300), (CFG_IMMR + 0x8304));
+	reg16 = 0xff;
+
+	pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0),
+				  PCI_COMMAND, &reg16);
+	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MEMORY;
+	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
+				   PCI_COMMAND, reg16);
+
+	/*
+	 * Clear non-reserved bits in status register.
+	 */
+	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
+				   PCI_STATUS, 0xffff);
+	pci_hose_write_config_byte(&hose[0], PCI_BDF(0, 0, 0),
+				   PCI_LATENCY_TIMER, 0x80);
+
+	/*
+	 * Unlock configuration lock in PCI function configuration register.
+	 */
+	pci_hose_read_config_word(&hose[0], PCI_BDF(0, 0, 0),
+				  PCI_FUNCTION_CONFIG, &reg16);
+	reg16 &= ~(PCI_FUNCTION_CFG_LOCK);
+	pci_hose_write_config_word(&hose[0], PCI_BDF(0, 0, 0),
+				   PCI_FUNCTION_CONFIG, reg16);
+
+	printf("Enabled PCI 32bit Agent Mode\n");
+}
+#else
+{
+	volatile immap_t *immr;
+	volatile clk83xx_t *clk;
+	volatile law83xx_t *pci_law;
+	volatile pot83xx_t *pci_pot;
+	volatile pcictrl83xx_t *pci_ctrl;
+	volatile pciconf83xx_t *pci_conf;
+
+	u8 val8, orig_i2c_bus;
+	u16 reg16;
+	u32 val32;
+	u32 dev;
+
+	immr = (immap_t *) CFG_IMMR;
+	clk = (clk83xx_t *) & immr->clk;
+	pci_law = immr->sysconf.pcilaw;
+	pci_pot = immr->ios.pot;
+	pci_ctrl = immr->pci_ctrl;
+	pci_conf = immr->pci_conf;
+	/*
+	 * Configure PCI controller and PCI_CLK_OUTPUT both in 66M mode
+	 */
+	val32 = clk->occr;
+	udelay(2000);
+#if defined(PCI_66M)
+	clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2;
+	printf("PCI clock is 66MHz\n");
+#elif defined(PCI_33M)
+	clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2 |
+	    OCCR_PCICD0 | OCCR_PCICD1 | OCCR_PCICD2 | OCCR_PCICR;
+	printf("PCI clock is 33MHz\n");
+#else
+	clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2;
+	printf("PCI clock is 66MHz\n");
+#endif
+	udelay(2000);
+
+	/*
+	 * Configure PCI Local Access Windows
+	 */
+	pci_law[0].bar = CFG_PCI_MEM_PHYS & LAWBAR_BAR;
+	pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M;
+
+	pci_law[1].bar = CFG_PCI_IO_PHYS & LAWBAR_BAR;
+	pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_1M;
+
+	/*
+	 * Configure PCI Outbound Translation Windows
+	 */
+
+	/* PCI mem space - prefetch */
+	pci_pot[0].potar = (CFG_PCI_MEM_BASE >> 12) & POTAR_TA_MASK;
+	pci_pot[0].pobar = (CFG_PCI_MEM_PHYS >> 12) & POBAR_BA_MASK;
+	pci_pot[0].pocmr =
+	    POCMR_EN | POCMR_SE | (POCMR_CM_256M & POCMR_CM_MASK);
+
+	/* PCI mmio - non-prefetch mem space */
+	pci_pot[1].potar = (CFG_PCI_MMIO_BASE >> 12) & POTAR_TA_MASK;
+	pci_pot[1].pobar = (CFG_PCI_MMIO_PHYS >> 12) & POBAR_BA_MASK;
+	pci_pot[1].pocmr = POCMR_EN | (POCMR_CM_256M & POCMR_CM_MASK);
+
+	/* PCI IO space */
+	pci_pot[2].potar = (CFG_PCI_IO_BASE >> 12) & POTAR_TA_MASK;
+	pci_pot[2].pobar = (CFG_PCI_IO_PHYS >> 12) & POBAR_BA_MASK;
+	pci_pot[2].pocmr = POCMR_EN | POCMR_IO | (POCMR_CM_1M & POCMR_CM_MASK);
+
+	/*
+	 * Configure PCI Inbound Translation Windows
+	 */
+	pci_ctrl[0].pitar1 = (CFG_PCI_SLV_MEM_LOCAL >> 12) & PITAR_TA_MASK;
+	pci_ctrl[0].pibar1 = (CFG_PCI_SLV_MEM_BUS >> 12) & PIBAR_MASK;
+	pci_ctrl[0].piebar1 = 0x0;
+	pci_ctrl[0].piwar1 =
+	    PIWAR_EN | PIWAR_PF | PIWAR_RTT_SNOOP | PIWAR_WTT_SNOOP |
+	    PIWAR_IWS_2G;
+
+	/*
+	 * Assign PIB PMC slot to desired PCI bus
+	 */
+
+	/* Switch temporarily to I2C bus #2 */
+	orig_i2c_bus = i2c_get_bus_num();
+	i2c_set_bus_num(1);
+
+	val8 = 0;
+	i2c_write(0x23, 0x6, 1, &val8, 1);
+	i2c_write(0x23, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x23, 0x2, 1, &val8, 1);
+	i2c_write(0x23, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x26, 0x6, 1, &val8, 1);
+	val8 = 0x34;
+	i2c_write(0x26, 0x7, 1, &val8, 1);
+
+	val8 = 0xf9;		/* PMC2, PMC3 slot to PCI bus */
+	i2c_write(0x26, 0x2, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x26, 0x3, 1, &val8, 1);
+
+	val8 = 0;
+	i2c_write(0x27, 0x6, 1, &val8, 1);
+	i2c_write(0x27, 0x7, 1, &val8, 1);
+	val8 = 0xff;
+	i2c_write(0x27, 0x2, 1, &val8, 1);
+	val8 = 0xef;
+	i2c_write(0x27, 0x3, 1, &val8, 1);
+	asm("eieio");
+
+	/* Reset to original I2C bus */
+	i2c_set_bus_num(orig_i2c_bus);
+
+	/*
+	 * Release PCI RST Output signal
+	 */
+	udelay(2000);
+	pci_ctrl[0].gcr = 1;
+	udelay(2000);
+
+	hose[0].first_busno = 0;
+	hose[0].last_busno = 0xff;
+
+	/* PCI memory prefetch space */
+	pci_set_region(hose[0].regions + 0,
+		       CFG_PCI_MEM_BASE,
+		       CFG_PCI_MEM_PHYS,
+		       CFG_PCI_MEM_SIZE, PCI_REGION_MEM | PCI_REGION_PREFETCH);
+
+	/* PCI memory space */
+	pci_set_region(hose[0].regions + 1,
+		       CFG_PCI_MMIO_BASE,
+		       CFG_PCI_MMIO_PHYS, CFG_PCI_MMIO_SIZE, PCI_REGION_MEM);
+
+	/* PCI IO space */
+	pci_set_region(hose[0].regions + 2,
+		       CFG_PCI_IO_BASE,
+		       CFG_PCI_IO_PHYS, CFG_PCI_IO_SIZE, PCI_REGION_IO);
+
+	/* System memory space */
+	pci_set_region(hose[0].regions + 3,
+		       CFG_PCI_SLV_MEM_LOCAL,
+		       CFG_PCI_SLV_MEM_BUS,
+		       CFG_PCI_SLV_MEM_SIZE,
+		       PCI_REGION_MEM | PCI_REGION_MEMORY);
+
+	hose[0].region_count = 4;
+
+	pci_setup_indirect(&hose[0],
+			   (CFG_IMMR + 0x8300), (CFG_IMMR + 0x8304));
+
+	pci_register_hose(hose);
+
+	/*
+	 * Write command register
+	 */
+	reg16 = 0xff;
+	dev = PCI_BDF(0, 0, 0);
+	pci_hose_read_config_word(&hose[0], dev, PCI_COMMAND, &reg16);
+	reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+	pci_hose_write_config_word(&hose[0], dev, PCI_COMMAND, reg16);
+
+	/*
+	 * Clear non-reserved bits in status register.
+	 */
+	pci_hose_write_config_word(&hose[0], dev, PCI_STATUS, 0xffff);
+	pci_hose_write_config_byte(&hose[0], dev, PCI_LATENCY_TIMER, 0x80);
+	pci_hose_write_config_byte(&hose[0], dev, PCI_CACHE_LINE_SIZE, 0x08);
+
+	printf("PCI 32bit bus on PMC2 & PMC3\n");
+
+	/*
+	 * Hose scan.
+	 */
+	hose->last_busno = pci_hose_scan(hose);
+}
+#endif				/* CONFIG_PCISLAVE */
+
+#ifdef CONFIG_OF_FLAT_TREE
+void
+ft_pci_setup(void *blob, bd_t *bd)
+{
+	u32 *p;
+	int len;
+
+	p = (u32 *)ft_get_prop(blob, "/" OF_SOC "/pci@8500/bus-range", &len);
+	if (p != NULL) {
+		p[0] = hose[0].first_busno;
+		p[1] = hose[0].last_busno;
+	}
+}
+#endif				/* CONFIG_OF_FLAT_TREE */
+#endif				/* CONFIG_PCI */
diff --git a/board/mpc832xemds/u-boot.lds b/board/mpc832xemds/u-boot.lds
new file mode 100644
index 0000000..937c87a
--- /dev/null
+++ b/board/mpc832xemds/u-boot.lds
@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+OUTPUT_ARCH(powerpc)
+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/mpc83xx/start.o	(.text)
+    *(.text)
+    *(.fixup)
+    *(.got1)
+    . = ALIGN(16);
+    *(.rodata)
+    *(.rodata1)
+    *(.rodata.str1.4)
+    *(.eh_frame)
+  }
+  .fini      : { *(.fini)    } =0
+  .ctors     : { *(.ctors)   }
+  .dtors     : { *(.dtors)   }
+
+  /* Read-write section, merged into data segment: */
+  . = (. + 0x0FFF) & 0xFFFFF000;
+  _erotext = .;
+  PROVIDE (erotext = .);
+  .reloc   :
+  {
+    *(.got)
+    _GOT2_TABLE_ = .;
+    *(.got2)
+    _FIXUP_TABLE_ = .;
+    *(.fixup)
+  }
+  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2;
+  __fixup_entries = (. - _FIXUP_TABLE_) >> 2;
+
+  .data    :
+  {
+    *(.data)
+    *(.data1)
+    *(.sdata)
+    *(.sdata2)
+    *(.dynamic)
+    CONSTRUCTORS
+  }
+  _edata  =  .;
+  PROVIDE (edata = .);
+
+  . = .;
+  __u_boot_cmd_start = .;
+  .u_boot_cmd : { *(.u_boot_cmd) }
+  __u_boot_cmd_end = .;
+
+
+  . = .;
+  __start___ex_table = .;
+  __ex_table : { *(__ex_table) }
+  __stop___ex_table = .;
+
+  . = ALIGN(4096);
+  __init_begin = .;
+  .text.init : { *(.text.init) }
+  .data.init : { *(.data.init) }
+  . = ALIGN(4096);
+  __init_end = .;
+
+  __bss_start = .;
+  .bss       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}
+ENTRY(_start)