8xx, mgsuvd: rename board to a more generic name

renaming the "mgsuvd" board port into "km8xx", because
there come more similar boards from keymile.
Compiling the mgsuvd board with "make mgsuvd_config"
remains.

Signed-off-by: Heiko Schocher <hs@denx.de>

5 files changed, 711 insertions, 0 deletions

diff --git a/board/keymile/km8xx/Makefile b/board/keymile/km8xx/Makefile
new file mode 100644
index 000000000..a6f32415a
--- /dev/null
+++ b/board/keymile/km8xx/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2007
+# Heiko Schocher, DENX Software Engineering, hs@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 $(TOPDIR)/config.mk
+ifneq ($(OBJTREE),$(SRCTREE))
+$(shell mkdir -p $(obj)../common)
+endif
+
+LIB	= $(obj)lib$(BOARD).a
+
+COBJS	= $(BOARD).o ../common/common.o ../common/keymile_hdlc_enet.o \
+		km8xx_hdlc_enet.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/keymile/km8xx/config.mk b/board/keymile/km8xx/config.mk
new file mode 100644
index 000000000..8625cea56
--- /dev/null
+++ b/board/keymile/km8xx/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2007
+# Heiko Schocher, DENX Software Engineering, hs@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
+#
+
+#
+# mgsvud boards
+#
+
+TEXT_BASE = 0xf0000000
diff --git a/board/keymile/km8xx/km8xx.c b/board/keymile/km8xx/km8xx.c
new file mode 100644
index 000000000..e7bfa3125
--- /dev/null
+++ b/board/keymile/km8xx/km8xx.c
@@ -0,0 +1,213 @@
+/*
+ * (C) Copyright 2007
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <common.h>
+#include <mpc8xx.h>
+#include <net.h>
+#include <asm/io.h>
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+#include <libfdt.h>
+#endif
+
+#include "../common/common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+const uint sdram_table[] =
+{
+	0x0f07fc04, 0x0ffffc04, 0x00bdfc04, 0x0ff77c00,
+	0x1ffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x08 Burst Read */
+	0x0f07fc04, 0x0ffffc04, 0x00bdfc04, 0x00fffc00,
+	0x00fffc00, 0x00fffc00, 0x0ff77c00, 0x1ffffc05,
+	/* 0x10 Load mode register */
+	0x0ffffc34, 0x0ff57c04, 0x0ffffc04, 0x1ffffc05,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x18 Single Write */
+	0x0f07fc04, 0x0ffffc00, 0x00bd7c04, 0x0ffffc04,
+	0x0ff77c04, 0x1ffffc05, 0xfffffc04, 0xfffffc04,
+	/* 0x20 Burst Write */
+	0x0f07fc04, 0x0ffffc00, 0x00bd7c00, 0x00fffc00,
+	0x00fffc00, 0x00fffc04, 0x0ffffc04, 0x0ff77c04,
+	0x1ffffc05, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x30 Precharge all and Refresh */
+	0x0ff77c04, 0x0ffffc04, 0x0ff5fc84, 0x0ffffc04,
+	0x0ffffc04, 0x0ffffc84, 0x1ffffc05, 0xfffffc04,
+	0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+	/* 0x3C Exception */
+	0x7ffffc04, 0xfffffc07, 0xfffffc04, 0xfffffc04,
+};
+
+int checkboard (void)
+{
+	puts ("Board: Keymile mgsuvd");
+	if (ethernet_present ())
+		puts (" with PIGGY.");
+	puts ("\n");
+	return (0);
+}
+
+phys_size_t initdram (int board_type)
+{
+	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	long int size;
+
+	upmconfig (UPMB, (uint *) sdram_table,
+			   sizeof (sdram_table) / sizeof (uint));
+
+	/*
+	 * Preliminary prescaler for refresh (depends on number of
+	 * banks): This value is selected for four cycles every 62.4 us
+	 * with two SDRAM banks or four cycles every 31.2 us with one
+	 * bank. It will be adjusted after memory sizing.
+	 */
+	memctl->memc_mptpr = CONFIG_SYS_MPTPR;
+
+	/*
+	 * The following value is used as an address (i.e. opcode) for
+	 * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If
+	 * the port size is 32bit the SDRAM does NOT "see" the lower two
+	 * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for
+	 * MICRON SDRAMs:
+	 * ->    0 00 010 0 010
+	 *       |  |   | |   +- Burst Length = 4
+	 *       |  |   | +----- Burst Type   = Sequential
+	 *       |  |   +------- CAS Latency  = 2
+	 *       |  +----------- Operating Mode = Standard
+	 *       +-------------- Write Burst Mode = Programmed Burst Length
+	 */
+	memctl->memc_mar = CONFIG_SYS_MAR;
+
+	/*
+	 * Map controller banks 1 to the SDRAM banks 1 at
+	 * preliminary addresses - these have to be modified after the
+	 * SDRAM size has been determined.
+	 */
+	memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM;
+	memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM;
+
+	memctl->memc_mbmr = CONFIG_SYS_MBMR & (~(MBMR_PTBE));	/* no refresh yet */
+
+	udelay (200);
+
+	/* perform SDRAM initializsation sequence */
+
+	memctl->memc_mcr = 0x80802830;	/* SDRAM bank 0 */
+	udelay (1);
+	memctl->memc_mcr = 0x80802110;	/* SDRAM bank 0 - execute twice */
+	udelay (1);
+
+	memctl->memc_mbmr |= MBMR_PTBE;	/* enable refresh */
+
+	udelay (1000);
+
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 */
+	size =  get_ram_size(SDRAM_BASE1_PRELIM, SDRAM_MAX_SIZE);
+
+	udelay (1000);
+
+	debug ("SDRAM Bank 0: %ld MB\n", size >> 20);
+
+	return (size);
+}
+
+/*
+ * Early board initalization.
+ */
+int board_early_init_r(void)
+{
+	/* setup the UPIOx */
+	out_8((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x02), 0xc0);
+	out_8((u8 *)(CONFIG_SYS_PIGGY_BASE + 0x03), 0x35);
+	return 0;
+}
+
+int hush_init_var (void)
+{
+	ivm_read_eeprom ();
+	return 0;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
+extern int fdt_set_node_and_value (void *blob,
+				char *nodename,
+				char *regname,
+				void *var,
+				int size);
+
+/*
+ * update "memory" property in the blob
+ */
+void ft_blob_update (void *blob, bd_t *bd)
+{
+	ulong brg_data[1] = {0};
+	ulong memory_data[2] = {0};
+	ulong flash_data[4] = {0};
+	ulong flash_reg[3] = {0};
+
+	memory_data[0] = cpu_to_be32 (bd->bi_memstart);
+	memory_data[1] = cpu_to_be32 (bd->bi_memsize);
+	fdt_set_node_and_value (blob, "/memory", "reg", memory_data,
+				sizeof (memory_data));
+
+	flash_data[2] = cpu_to_be32 (bd->bi_flashstart);
+	flash_data[3] = cpu_to_be32 (bd->bi_flashsize);
+	fdt_set_node_and_value (blob, "/localbus", "ranges", flash_data,
+				sizeof (flash_data));
+
+	flash_reg[2] = cpu_to_be32 (bd->bi_flashsize);
+	fdt_set_node_and_value (blob, "/localbus/flash@0,0", "reg", flash_reg,
+				sizeof (flash_reg));
+
+	/* BRG */
+	brg_data[0] = cpu_to_be32 (bd->bi_busfreq);
+	fdt_set_node_and_value (blob, "/soc/cpm", "brg-frequency", brg_data,
+				sizeof (brg_data));
+
+	/* MAC adr */
+	fdt_set_node_and_value (blob, "/soc/cpm/ethernet", "mac-address",
+				bd->bi_enetaddr, sizeof (u8) * 6);
+}
+
+void ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup (blob, bd);
+	ft_blob_update (blob, bd);
+}
+#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
+
+int i2c_soft_read_pin (void)
+{
+	int val;
+
+	*(unsigned short *)(I2C_BASE_DIR) &=  ~SDA_CONF;
+	udelay(1);
+	val = *(unsigned char *)(I2C_BASE_PORT);
+
+	return ((val & SDA_BIT) == SDA_BIT);
+}
diff --git a/board/keymile/km8xx/km8xx_hdlc_enet.c b/board/keymile/km8xx/km8xx_hdlc_enet.c
new file mode 100644
index 000000000..9b93131f0
--- /dev/null
+++ b/board/keymile/km8xx/km8xx_hdlc_enet.c
@@ -0,0 +1,278 @@
+/*
+ * (C) Copyright 2008
+ * Gary Jennejohn, DENX Software Engineering GmbH, garyj@denx.de.
+ *
+ * Based in part on cpu/mpc8xx/scc.c.
+ *
+ * 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>	/* commproc.h is included here */
+#include <malloc.h>
+#include <net.h>
+
+#ifdef CONFIG_KEYMILE_HDLC_ENET
+
+#include "../common/keymile_hdlc_enet.h"
+
+char keymile_slot;	/* our slot number in the backplane */
+
+/*
+ * Since, except during initialization, ethact is always HDLC ETHERNET
+ * while we're in the driver, just use serial_printf() everywhere for
+ * output.  This avoids possible conflicts when netconsole is being
+ * used.
+ */
+#define dprintf(fmt, args...)	serial_printf(fmt, ##args)
+
+static int already_inited;
+
+/*
+  * SCC Ethernet Tx and Rx buffer descriptors allocated at the
+  *  immr->udata_bd address on Dual-Port RAM
+  * Provide for Double Buffering
+  */
+typedef volatile struct CommonBufferDescriptor {
+    cbd_t txbd;			/* Tx BD */
+    cbd_t rxbd[HDLC_PKTBUFSRX];	/* Rx BD */
+} RTXBD;
+
+static RTXBD *rtx;
+
+int keymile_hdlc_enet_init(struct eth_device *, bd_t *);
+void keymile_hdlc_enet_halt(struct eth_device *);
+extern void keymile_hdlc_enet_init_bds(RTXBD *);
+extern void initCachedNumbers(int);
+
+/* Use SCC4 */
+#define MGS_CPM_CR_HDLC	CPM_CR_CH_SCC4
+#define MGS_PROFF_HDLC	PROFF_SCC4
+#define MGS_SCC_HDLC	3	/* Index, not number! */
+
+int keymile_hdlc_enet_init(struct eth_device *dev, bd_t *bis)
+{
+	/* int i; */
+	/* volatile cbd_t *bdp; */
+	volatile cpm8xx_t *cp;
+	volatile scc_t *sccp;
+	volatile hdlc_pram_t *hpr;
+	volatile iop8xx_t *iop;
+
+	if (already_inited)
+		return 0;
+
+	cp = (cpm8xx_t *)&(((volatile immap_t *)CONFIG_SYS_IMMR)->im_cpm);
+	hpr = (hdlc_pram_t *)(&cp->cp_dparam[MGS_PROFF_HDLC]);
+	sccp = (volatile scc_t *)(&cp->cp_scc[MGS_SCC_HDLC]);
+	iop = (iop8xx_t *)&(((volatile immap_t *)CONFIG_SYS_IMMR)->im_ioport);
+
+	/*
+	 * Disable receive and transmit just in case.
+	 */
+	sccp->scc_gsmrl &= ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+
+#ifndef CONFIG_SYS_ALLOC_DPRAM
+#error "CONFIG_SYS_ALLOC_DPRAM must be defined"
+#else
+	/*
+	 * Avoid exhausting DPRAM, which would cause a panic.
+	 * Actually this isn't really necessary, but leave it here
+	 * for safety's sake.
+	 */
+	if (rtx == NULL) {
+		rtx = (RTXBD *) (cp->cp_dpmem +
+			 dpram_alloc_align(sizeof(RTXBD), 8));
+		if (rtx == (RTXBD *)CPM_DP_NOSPACE)
+			return -1;
+		memset((void *)rtx, 0, sizeof(RTXBD));
+	}
+#endif /* !CONFIG_SYS_ALLOC_DPRAM */
+
+	/* We need the slot number for addressing. */
+	keymile_slot = *(char *)(CONFIG_SYS_SLOT_ID_BASE +
+		CONFIG_SYS_SLOT_ID_OFF) & CONFIG_SYS_SLOT_ID_MASK;
+	/*
+	 * Be consistent with the Linux driver and set
+	 * only enetaddr[0].
+	 *
+	 * Always add 1 to the slot number so that
+	 * there are no problems with an ethaddr which
+	 * is all 0s.  This should be acceptable because
+	 * a board should never have a slot number of 255,
+	 * which is the broadcast address.  The HDLC addressing
+	 * uses only the slot number.
+	 */
+	dev->enetaddr[0] = keymile_slot + 1;
+
+#ifdef TEST_IT
+	dprintf("slot %d\n", keymile_slot);
+#endif
+
+	/* use pa8, pa9 pins for TXD4, RXD4 respectively */
+	iop->iop_papar |= ((0x8000 >> 8) | (0x8000 >> 9));
+	iop->iop_padir &= ~((0x8000 >> 8) | (0x8000 >> 9));
+	iop->iop_paodr &= ~((0x8000 >> 8) | (0x8000 >> 9));
+
+	/* also use pa0 as CLK8 */
+	iop->iop_papar |= 0x8000;
+	iop->iop_padir &= ~0x8000;
+	iop->iop_paodr &= ~0x8000;
+
+	/* use pc5 as CTS4 */
+	iop->iop_pcpar &= ~(0x8000 >> 5);
+	iop->iop_pcdir &= ~(0x8000 >> 5);
+	iop->iop_pcso  |= (0x8000 >> 5);
+
+	/*
+	 * SI clock routing
+	 * use CLK8
+	 * this also connects SCC4 to NMSI
+	 */
+	cp->cp_sicr = (cp->cp_sicr & ~0xff000000) | 0x3f000000;
+
+	/* keymile_rxIdx = 0; */
+
+	/*
+	 * Initialize function code registers for big-endian.
+	 */
+	hpr->rfcr = SCC_EB;
+	hpr->tfcr = SCC_EB;
+
+	/*
+	 * Set maximum bytes per receive buffer.
+	 */
+	hpr->mrblr = MAX_FRAME_LENGTH;
+
+	/* Setup CRC generator values for HDLC */
+	hpr->c_mask = 0x0000F0B8;
+	hpr->c_pres = 0x0000FFFF;
+
+	/* Initialize all error counters to 0 */
+	hpr->disfc = 0;
+	hpr->crcec = 0;
+	hpr->abtsc = 0;
+	hpr->nmarc = 0;
+	hpr->retrc = 0;
+
+	/* Set maximum frame length size */
+	hpr->mflr = MAX_FRAME_LENGTH;
+
+	/* set to 1 for per frame processing change later if needed */
+	hpr->rfthr = 1;
+
+	hpr->hmask = 0xff;
+
+	hpr->haddr2 = SET_HDLC_UUA(keymile_slot);
+	hpr->haddr3 = hpr->haddr2;
+	hpr->haddr4 = hpr->haddr2;
+	/* broadcast */
+	hpr->haddr1 = HDLC_BCAST;
+
+	hpr->rbase = (unsigned int) &rtx->rxbd[0];
+	hpr->tbase = (unsigned int) &rtx->txbd;
+
+#if 0
+	/*
+	 * Initialize the buffer descriptors.
+	 */
+	bdp = &rtx->txbd;
+	bdp->cbd_sc = 0;
+	bdp->cbd_bufaddr = 0;
+	bdp->cbd_sc = BD_SC_WRAP;
+
+	/*
+	 *	Setup RX packet buffers, aligned correctly.
+	 *	Borrowed from net/net.c.
+	 */
+	MyRxPackets[0] = &MyPktBuf[0] + (PKTALIGN - 1);
+	MyRxPackets[0] -= (ulong)MyRxPackets[0] % PKTALIGN;
+	for (i = 1; i < HDLC_PKTBUFSRX; i++)
+		MyRxPackets[i] = MyRxPackets[0] + i * PKT_MAXBLR_SIZE;
+
+	bdp = &rtx->rxbd[0];
+	for (i = 0; i < HDLC_PKTBUFSRX; i++) {
+		bdp->cbd_sc = BD_SC_EMPTY;
+		/* Leave space at the start for INET header. */
+		bdp->cbd_bufaddr = (unsigned int)(MyRxPackets[i] +
+			INET_HDR_ALIGN);
+		bdp++;
+	}
+	bdp--;
+	bdp->cbd_sc |= BD_SC_WRAP;
+#else
+	keymile_hdlc_enet_init_bds(rtx);
+#endif
+
+	/* Let's re-initialize the channel now.	 We have to do it later
+	 * than the manual describes because we have just now finished
+	 * the BD initialization.
+	 */
+	cp->cp_cpcr = mk_cr_cmd(MGS_CPM_CR_HDLC, CPM_CR_INIT_TRX) | CPM_CR_FLG;
+	while (cp->cp_cpcr & CPM_CR_FLG);
+
+	sccp->scc_gsmrl = SCC_GSMRL_MODE_HDLC;
+	/* CTSS=1 */
+	sccp->scc_gsmrh = SCC_GSMRH_CTSS;
+	/* NOF=0, RTE=1, DRT=0, BUS=1 */
+	sccp->scc_psmr = ((0x8000 >> 6) | (0x8000 >> 10));
+
+/* loopback for local testing */
+#ifdef GJTEST
+	dprintf("LOOPBACK!\n");
+	sccp->scc_gsmrl |= SCC_GSMRL_DIAG_LOOP;
+#endif
+
+	/*
+	 * Disable all interrupts and clear all pending
+	 * events.
+	 */
+	sccp->scc_sccm = 0;
+	sccp->scc_scce = 0xffff;
+
+	/*
+	 * And last, enable the transmit and receive processing.
+	 */
+	sccp->scc_gsmrl |= (SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+
+	dprintf("%s: HDLC ENET Version 0.3 on SCC%d\n", dev->name,
+		MGS_SCC_HDLC + 1);
+
+	/*
+	 * We may not get an ARP packet because ARP was already done on
+	 * a different interface, so initialize the cached values now.
+	 */
+	initCachedNumbers(1);
+
+	already_inited = 1;
+
+	return 0;
+}
+
+void keymile_hdlc_enet_halt(struct eth_device *dev)
+{
+#if 0 /* just return, but keep this for reference */
+	volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
+
+	/* maybe should do a graceful stop here? */
+	immr->im_cpm.cp_scc[MGS_SCC_HDLC].scc_gsmrl &=
+		~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+}
+
+#endif /* CONFIG_KEYMILE_HDLC_ENET */
diff --git a/board/keymile/km8xx/u-boot.lds b/board/keymile/km8xx/u-boot.lds
new file mode 100644
index 000000000..5af36c97a
--- /dev/null
+++ b/board/keymile/km8xx/u-boot.lds
@@ -0,0 +1,144 @@
+/*
+ * (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
+ */
+
+OUTPUT_ARCH(powerpc)
+/* 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      :
+  {
+    /* WARNING - the following is hand-optimized to fit within	*/
+    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
+
+    cpu/mpc8xx/start.o		(.text)
+    cpu/mpc8xx/traps.o		(.text)
+    common/dlmalloc.o		(.text)
+    lib_ppc/ppcstring.o		(.text)
+    lib_generic/vsprintf.o	(.text)
+    lib_generic/crc32.o		(.text)
+    lib_generic/zlib.o		(.text)
+    lib_ppc/cache.o		(.text)
+    lib_ppc/time.o		(.text)
+
+    . = DEFINED(env_offset) ? env_offset : .;
+    common/env_embedded.o	(.ppcenv)
+
+    *(.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 (NOLOAD)       :
+  {
+   *(.sbss) *(.scommon)
+   *(.dynbss)
+   *(.bss)
+   *(COMMON)
+   . = ALIGN(4);
+  }
+  _end = . ;
+  PROVIDE (end = .);
+}