[PATCH] Add support for AMCC Taishan PPC440GX eval board
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/amcc/taishan/Makefile b/board/amcc/taishan/Makefile
new file mode 100644
index 0000000..462af00
--- /dev/null
+++ b/board/amcc/taishan/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2007
+# 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 lcd.o update.o showinfo.o
+SOBJS = init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(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 $(obj).depend
+
+#########################################################################
diff --git a/board/amcc/taishan/config.mk b/board/amcc/taishan/config.mk
new file mode 100644
index 0000000..4eefff2
--- /dev/null
+++ b/board/amcc/taishan/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+#
+# AMCC 440GX Reference Platform (Taishan) board
+#
+
+#TEXT_BASE = 0xFFFE0000
+
+ifeq ($(ramsym),1)
+TEXT_BASE = 0x07FD0000
+else
+TEXT_BASE = 0xFFFC0000
+endif
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/amcc/taishan/init.S b/board/amcc/taishan/init.S
new file mode 100644
index 0000000..8db043b
--- /dev/null
+++ b/board/amcc/taishan/init.S
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <ppc_asm.tmpl>
+#include <config.h>
+
+/* General */
+#define TLB_VALID 0x00000200
+#define _256M 0x10000000
+
+/* Supported page sizes */
+
+#define SZ_1K 0x00000000
+#define SZ_4K 0x00000010
+#define SZ_16K 0x00000020
+#define SZ_64K 0x00000030
+#define SZ_256K 0x00000040
+#define SZ_1M 0x00000050
+#define SZ_8M 0x00000060
+#define SZ_16M 0x00000070
+#define SZ_256M 0x00000090
+
+/* Storage attributes */
+#define SA_W 0x00000800 /* Write-through */
+#define SA_I 0x00000400 /* Caching inhibited */
+#define SA_M 0x00000200 /* Memory coherence */
+#define SA_G 0x00000100 /* Guarded */
+#define SA_E 0x00000080 /* Endian */
+
+/* Access control */
+#define AC_X 0x00000024 /* Execute */
+#define AC_W 0x00000012 /* Write */
+#define AC_R 0x00000009 /* Read */
+
+/* Some handy macros */
+
+#define EPN(e) ((e) & 0xfffffc00)
+#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a) ( (a)&0x00000fbf )
+
+#define tlbtab_start\
+ mflr r1 ;\
+ bl 0f ;
+
+#define tlbtab_end\
+ .long 0, 0, 0 ; \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+ .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+/**************************************************************************
+ * TLB TABLE
+ *
+ * This table is used by the cpu boot code to setup the initial tlb
+ * entries. Rather than make broad assumptions in the cpu source tree,
+ * this table lets each board set things up however they like.
+ *
+ * Pointer to the table is returned in r1
+ *
+ *************************************************************************/
+
+ .section .bootpg,"ax"
+ .globl tlbtab
+
+tlbtab:
+ tlbtab_start
+ tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+ tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
+ tlbentry( CFG_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_R|AC_W|AC_X )
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+ tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I )
+ tlbentry( CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I )
+ tlbtab_end
diff --git a/board/amcc/taishan/lcd.c b/board/amcc/taishan/lcd.c
new file mode 100644
index 0000000..aebddb4
--- /dev/null
+++ b/board/amcc/taishan/lcd.c
@@ -0,0 +1,380 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <config.h>
+#include <common.h>
+#include <command.h>
+#include <i2c.h>
+#include <miiphy.h>
+
+#ifdef CONFIG_TAISHAN
+
+#define LCD_DELAY_NORMAL_US 100
+#define LCD_DELAY_NORMAL_MS 2
+#define LCD_CMD_ADDR ((volatile char *)(CFG_EBC2_LCM_BASE))
+#define LCD_DATA_ADDR ((volatile char *)(CFG_EBC2_LCM_BASE+1))
+#define LCD_BLK_CTRL ((volatile char *)(CFG_EBC1_FPGA_BASE+0x2))
+
+#define mdelay(t) ({unsigned long msec=(t); while (msec--) { udelay(1000);}})
+
+static int g_lcd_init_b = 0;
+static char *amcc_logo = " AMCC TAISHAN 440GX EvalBoard";
+static char addr_flag = 0x80;
+
+static void lcd_bl_ctrl(char val)
+{
+ char cpld_val;
+
+ cpld_val = *LCD_BLK_CTRL;
+ *LCD_BLK_CTRL = val | cpld_val;
+}
+
+static void lcd_putc(char val)
+{
+ int i = 100;
+ char addr;
+
+ while (i--) {
+ if ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
+ udelay(LCD_DELAY_NORMAL_US);
+ break;
+ }
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+
+ if (*LCD_CMD_ADDR & 0x80) {
+ printf("LCD is busy\n");
+ return;
+ }
+
+ addr = *LCD_CMD_ADDR;
+ udelay(LCD_DELAY_NORMAL_US);
+ if ((addr != 0) && (addr % 0x10 == 0)) {
+ addr_flag ^= 0x40;
+ *LCD_CMD_ADDR = addr_flag;
+ }
+
+ udelay(LCD_DELAY_NORMAL_US);
+ *LCD_DATA_ADDR = val;
+ udelay(LCD_DELAY_NORMAL_US);
+}
+
+static void lcd_puts(char *s)
+{
+ char *p = s;
+ int i = 100;
+
+ while (i--) {
+ if ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
+ udelay(LCD_DELAY_NORMAL_US);
+ break;
+ }
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+
+ if (*LCD_CMD_ADDR & 0x80) {
+ printf("LCD is busy\n");
+ return;
+ }
+
+ while (*p)
+ lcd_putc(*p++);
+}
+
+static void lcd_put_logo(void)
+{
+ int i = 100;
+ char *p = amcc_logo;
+
+ while (i--) {
+ if ((*LCD_CMD_ADDR & 0x80) != 0x80) { /*BF = 1 ? */
+ udelay(LCD_DELAY_NORMAL_US);
+ break;
+ }
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+
+ if (*LCD_CMD_ADDR & 0x80) {
+ printf("LCD is busy\n");
+ return;
+ }
+
+ *LCD_CMD_ADDR = 0x80;
+ while (*p)
+ lcd_putc(*p++);
+}
+
+int lcd_init(void)
+{
+ if (g_lcd_init_b == 0) {
+ puts("LCD: ");
+ mdelay(100); /* Waiting for the LCD initialize */
+
+ *LCD_CMD_ADDR = 0x38; /*set function:8-bit,2-line,5x7 font type */
+ udelay(LCD_DELAY_NORMAL_US);
+
+ *LCD_CMD_ADDR = 0x0f; /*set display on,cursor on,blink on */
+ udelay(LCD_DELAY_NORMAL_US);
+
+ *LCD_CMD_ADDR = 0x01; /*display clear */
+ mdelay(LCD_DELAY_NORMAL_MS);
+
+ *LCD_CMD_ADDR = 0x06; /*set entry */
+ udelay(LCD_DELAY_NORMAL_US);
+
+ lcd_bl_ctrl(0x02);
+ lcd_put_logo();
+
+ puts(" ready\n");
+ g_lcd_init_b = 1;
+ }
+
+ return 0;
+}
+
+static int do_lcd_test(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ lcd_init();
+ return 0;
+}
+
+static int do_lcd_clear(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ *LCD_CMD_ADDR = 0x01;
+ mdelay(LCD_DELAY_NORMAL_MS);
+ return 0;
+}
+static int do_lcd_puts(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ if (argc < 2) {
+ printf("%s", cmdtp->usage);
+ return 1;
+ }
+ lcd_puts(argv[1]);
+ return 0;
+}
+static int do_lcd_putc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ if (argc < 2) {
+ printf("%s", cmdtp->usage);
+ return 1;
+ }
+ lcd_putc((char)argv[1][0]);
+ return 0;
+}
+static int do_lcd_cur(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ ulong count;
+ ulong dir;
+ char cur_addr;
+
+ if (argc < 3) {
+ printf("%s", cmdtp->usage);
+ return 1;
+ }
+
+ count = simple_strtoul(argv[1], NULL, 16);
+ if (count > 31) {
+ printf("unable to shift > 0x20\n");
+ count = 0;
+ }
+
+ dir = simple_strtoul(argv[2], NULL, 16);
+ cur_addr = *LCD_CMD_ADDR;
+ udelay(LCD_DELAY_NORMAL_US);
+ if (dir == 0x0) {
+ if (addr_flag == 0x80) {
+ if (count >= (cur_addr & 0xf)) {
+ *LCD_CMD_ADDR = 0x80;
+ udelay(LCD_DELAY_NORMAL_US);
+ count = 0;
+ }
+ } else {
+ if (count >= ((cur_addr & 0x0f) + 0x0f)) {
+ *LCD_CMD_ADDR = 0x80;
+ addr_flag = 0x80;
+ udelay(LCD_DELAY_NORMAL_US);
+ count = 0x0;
+ } else if (count >= (cur_addr & 0xf)) {
+ count -= cur_addr & 0xf;
+ *LCD_CMD_ADDR = 0x80 | 0xf;
+ addr_flag = 0x80;
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+ }
+ } else {
+ if (addr_flag == 0x80) {
+ if (count >= (0x1f - (cur_addr & 0xf))) {
+ count = 0x0;
+ addr_flag = 0xc0;
+ *LCD_CMD_ADDR = 0xc0 | 0xf;
+ udelay(LCD_DELAY_NORMAL_US);
+ } else if ((count + (cur_addr & 0xf)) >= 0x0f) {
+ count = count + (cur_addr & 0xf) - 0x0f;
+ addr_flag = 0xc0;
+ *LCD_CMD_ADDR = 0xc0;
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+ } else if ((count + (cur_addr & 0xf)) >= 0x0f) {
+ count = 0x0;
+ *LCD_CMD_ADDR = 0xc0 | 0xf;
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+ }
+
+ while (count--) {
+ if (dir == 0) {
+ *LCD_CMD_ADDR = 0x10;
+ } else {
+ *LCD_CMD_ADDR = 0x14;
+ }
+ udelay(LCD_DELAY_NORMAL_US);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(lcd_test, 1, 1, do_lcd_test, "lcd_test - lcd test display\n", NULL);
+U_BOOT_CMD(lcd_cls, 1, 1, do_lcd_clear, "lcd_cls - lcd clear display\n", NULL);
+U_BOOT_CMD(lcd_puts, 2, 1, do_lcd_puts,
+ "lcd_puts - display string on lcd\n",
+ "<string> - <string> to be displayed\n");
+U_BOOT_CMD(lcd_putc, 2, 1, do_lcd_putc,
+ "lcd_putc - display char on lcd\n",
+ "<char> - <char> to be displayed\n");
+U_BOOT_CMD(lcd_cur, 3, 1, do_lcd_cur,
+ "lcd_cur - shift cursor on lcd\n",
+ "<count> <dir>- shift cursor on lcd <count> times, direction is <dir> \n"
+ " <count> - 0~31\n" " <dir> - 0,backward; 1, forward\n");
+
+#if 0 // test-only
+void set_phy_loopback_mode(void)
+{
+ char devemac2[32];
+ char devemac3[32];
+
+ sprintf(devemac2, "%s2", CONFIG_EMAC_DEV_NAME);
+ sprintf(devemac3, "%s3", CONFIG_EMAC_DEV_NAME);
+
+#if 0
+ unsigned short reg_short;
+
+ miiphy_read(devemac2, 0x1, 1, ®_short);
+ if (reg_short & 0x04) {
+ /*
+ * printf("EMAC2 link up,do nothing\n");
+ */
+ } else {
+ udelay(1000);
+ miiphy_write(devemac2, 0x1, 0, 0x6000);
+ udelay(1000);
+ miiphy_read(devemac2, 0x1, 0, ®_short);
+ if (reg_short != 0x6000) {
+ printf
+ ("\nEMAC2 error set LOOPBACK mode error,reg2[0]=%x\n",
+ reg_short);
+ }
+ }
+
+ miiphy_read(devemac3, 0x3, 1, ®_short);
+ if (reg_short & 0x04) {
+ /*
+ * printf("EMAC3 link up,do nothing\n");
+ */
+ } else {
+ udelay(1000);
+ miiphy_write(devemac3, 0x3, 0, 0x6000);
+ udelay(1000);
+ miiphy_read(devemac3, 0x3, 0, ®_short);
+ if (reg_short != 0x6000) {
+ printf
+ ("\nEMAC3 error set LOOPBACK mode error,reg2[0]=%x\n",
+ reg_short);
+ }
+ }
+#else
+ /* Set PHY as LOOPBACK MODE, for Linux emac initializing */
+ miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0, 0x6000);
+ udelay(1000);
+ miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0, 0x6000);
+ udelay(1000);
+#endif
+}
+
+void set_phy_normal_mode(void)
+{
+ char devemac2[32];
+ char devemac3[32];
+ unsigned short reg_short;
+
+ sprintf(devemac2, "%s2", CONFIG_EMAC_DEV_NAME);
+ sprintf(devemac3, "%s3", CONFIG_EMAC_DEV_NAME);
+
+ /* Set phy of EMAC2 */
+ miiphy_read(devemac2, CONFIG_PHY2_ADDR, 0x16, ®_short);
+ reg_short &= ~(0x7);
+ reg_short |= 0x6; /* RGMII DLL Delay */
+ miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x16, reg_short);
+
+ miiphy_read(devemac2, CONFIG_PHY2_ADDR, 0x17, ®_short);
+ reg_short &= ~(0x40);
+ miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x17, reg_short);
+
+ miiphy_write(devemac2, CONFIG_PHY2_ADDR, 0x1c, 0x74f0);
+
+ /* Set phy of EMAC3 */
+ miiphy_read(devemac3, CONFIG_PHY3_ADDR, 0x16, ®_short);
+ reg_short &= ~(0x7);
+ reg_short |= 0x6; /* RGMII DLL Delay */
+ miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x16, reg_short);
+
+ miiphy_read(devemac3, CONFIG_PHY3_ADDR, 0x17, ®_short);
+ reg_short &= ~(0x40);
+ miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x17, reg_short);
+
+ miiphy_write(devemac3, CONFIG_PHY3_ADDR, 0x1c, 0x74f0);
+}
+#endif
+
+static int do_led_test_off(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ volatile unsigned int *GpioOr =
+ (volatile unsigned int *)(CFG_PERIPHERAL_BASE + 0x700);
+ *GpioOr |= 0x00300000;
+ return 0;
+}
+
+static int do_led_test_on(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ volatile unsigned int *GpioOr =
+ (volatile unsigned int *)(CFG_PERIPHERAL_BASE + 0x700);
+ *GpioOr &= ~0x00300000;
+ return 0;
+}
+
+U_BOOT_CMD(ledon, 1, 1, do_led_test_on,
+ "ledon - led test light on\n", NULL);
+
+U_BOOT_CMD(ledoff, 1, 1, do_led_test_off,
+ "ledoff - led test light off\n", NULL);
+#endif
diff --git a/board/amcc/taishan/showinfo.c b/board/amcc/taishan/showinfo.c
new file mode 100644
index 0000000..57b9d1c
--- /dev/null
+++ b/board/amcc/taishan/showinfo.c
@@ -0,0 +1,236 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <pci.h>
+
+void show_reset_reg(void)
+{
+ unsigned long reg;
+
+ /* read clock regsiter */
+ printf("===== Display reset and initialize register Start =========\n");
+ mfclk(clk_pllc,reg);
+ printf("cpr_pllc = %#010x\n",reg);
+
+ mfclk(clk_plld,reg);
+ printf("cpr_plld = %#010x\n",reg);
+
+ mfclk(clk_primad,reg);
+ printf("cpr_primad = %#010x\n",reg);
+
+ mfclk(clk_primbd,reg);
+ printf("cpr_primbd = %#010x\n",reg);
+
+ mfclk(clk_opbd,reg);
+ printf("cpr_opbd = %#010x\n",reg);
+
+ mfclk(clk_perd,reg);
+ printf("cpr_perd = %#010x\n",reg);
+
+ mfclk(clk_mald,reg);
+ printf("cpr_mald = %#010x\n",reg);
+
+ /* read sdr register */
+ mfsdr(sdr_ebc,reg);
+ printf("sdr_ebc = %#010x\n",reg);
+
+ mfsdr(sdr_cp440,reg);
+ printf("sdr_cp440 = %#010x\n",reg);
+
+ mfsdr(sdr_xcr,reg);
+ printf("sdr_xcr = %#010x\n",reg);
+
+ mfsdr(sdr_xpllc,reg);
+ printf("sdr_xpllc = %#010x\n",reg);
+
+ mfsdr(sdr_xplld,reg);
+ printf("sdr_xplld = %#010x\n",reg);
+
+ mfsdr(sdr_pfc0,reg);
+ printf("sdr_pfc0 = %#010x\n",reg);
+
+ mfsdr(sdr_pfc1,reg);
+ printf("sdr_pfc1 = %#010x\n",reg);
+
+ mfsdr(sdr_cust0,reg);
+ printf("sdr_cust0 = %#010x\n",reg);
+
+ mfsdr(sdr_cust1,reg);
+ printf("sdr_cust1 = %#010x\n",reg);
+
+ mfsdr(sdr_uart0,reg);
+ printf("sdr_uart0 = %#010x\n",reg);
+
+ mfsdr(sdr_uart1,reg);
+ printf("sdr_uart1 = %#010x\n",reg);
+
+ printf("===== Display reset and initialize register End =========\n");
+}
+
+void show_xbridge_info(void)
+{
+ unsigned long reg;
+
+ printf("PCI-X chip control registers\n");
+ mfsdr(sdr_xcr, reg);
+ printf("sdr_xcr = %#010x\n", reg);
+
+ mfsdr(sdr_xpllc, reg);
+ printf("sdr_xpllc = %#010x\n", reg);
+
+ mfsdr(sdr_xplld, reg);
+ printf("sdr_xplld = %#010x\n", reg);
+
+ printf("PCI-X Bridge Configure registers\n");
+ printf("PCIX0_VENDID = %#06x\n", in16r(PCIX0_VENDID));
+ printf("PCIX0_DEVID = %#06x\n", in16r(PCIX0_DEVID));
+ printf("PCIX0_CMD = %#06x\n", in16r(PCIX0_CMD));
+ printf("PCIX0_STATUS = %#06x\n", in16r(PCIX0_STATUS));
+ printf("PCIX0_REVID = %#04x\n", in8(PCIX0_REVID));
+ printf("PCIX0_CACHELS = %#04x\n", in8(PCIX0_CACHELS));
+ printf("PCIX0_LATTIM = %#04x\n", in8(PCIX0_LATTIM));
+ printf("PCIX0_HDTYPE = %#04x\n", in8(PCIX0_HDTYPE));
+ printf("PCIX0_BIST = %#04x\n", in8(PCIX0_BIST));
+
+ printf("PCIX0_BAR0 = %#010x\n", in32r(PCIX0_BAR0));
+ printf("PCIX0_BAR1 = %#010x\n", in32r(PCIX0_BAR1));
+ printf("PCIX0_BAR2 = %#010x\n", in32r(PCIX0_BAR2));
+ printf("PCIX0_BAR3 = %#010x\n", in32r(PCIX0_BAR3));
+ printf("PCIX0_BAR4 = %#010x\n", in32r(PCIX0_BAR4));
+ printf("PCIX0_BAR5 = %#010x\n", in32r(PCIX0_BAR5));
+
+ printf("PCIX0_CISPTR = %#010x\n", in32r(PCIX0_CISPTR));
+ printf("PCIX0_SBSSYSVID = %#010x\n", in16r(PCIX0_SBSYSVID));
+ printf("PCIX0_SBSSYSID = %#010x\n", in16r(PCIX0_SBSYSID));
+ printf("PCIX0_EROMBA = %#010x\n", in32r(PCIX0_EROMBA));
+ printf("PCIX0_CAP = %#04x\n", in8(PCIX0_CAP));
+ printf("PCIX0_INTLN = %#04x\n", in8(PCIX0_INTLN));
+ printf("PCIX0_INTPN = %#04x\n", in8(PCIX0_INTPN));
+ printf("PCIX0_MINGNT = %#04x\n", in8(PCIX0_MINGNT));
+ printf("PCIX0_MAXLTNCY = %#04x\n", in8(PCIX0_MAXLTNCY));
+
+ printf("PCIX0_BRDGOPT1 = %#010x\n", in32r(PCIX0_BRDGOPT1));
+ printf("PCIX0_BRDGOPT2 = %#010x\n", in32r(PCIX0_BRDGOPT2));
+
+ printf("PCIX0_POM0LAL = %#010x\n", in32r(PCIX0_POM0LAL));
+ printf("PCIX0_POM0LAH = %#010x\n", in32r(PCIX0_POM0LAH));
+ printf("PCIX0_POM0SA = %#010x\n", in32r(PCIX0_POM0SA));
+ printf("PCIX0_POM0PCILAL = %#010x\n", in32r(PCIX0_POM0PCIAL));
+ printf("PCIX0_POM0PCILAH = %#010x\n", in32r(PCIX0_POM0PCIAH));
+ printf("PCIX0_POM1LAL = %#010x\n", in32r(PCIX0_POM1LAL));
+ printf("PCIX0_POM1LAH = %#010x\n", in32r(PCIX0_POM1LAH));
+ printf("PCIX0_POM1SA = %#010x\n", in32r(PCIX0_POM1SA));
+ printf("PCIX0_POM1PCILAL = %#010x\n", in32r(PCIX0_POM1PCIAL));
+ printf("PCIX0_POM1PCILAH = %#010x\n", in32r(PCIX0_POM1PCIAH));
+ printf("PCIX0_POM2SA = %#010x\n", in32r(PCIX0_POM2SA));
+
+ printf("PCIX0_PIM0SA = %#010x\n", in32r(PCIX0_PIM0SA));
+ printf("PCIX0_PIM0LAL = %#010x\n", in32r(PCIX0_PIM0LAL));
+ printf("PCIX0_PIM0LAH = %#010x\n", in32r(PCIX0_PIM0LAH));
+ printf("PCIX0_PIM1SA = %#010x\n", in32r(PCIX0_PIM1SA));
+ printf("PCIX0_PIM1LAL = %#010x\n", in32r(PCIX0_PIM1LAL));
+ printf("PCIX0_PIM1LAH = %#010x\n", in32r(PCIX0_PIM1LAH));
+ printf("PCIX0_PIM2SA = %#010x\n", in32r(PCIX0_PIM1SA));
+ printf("PCIX0_PIM2LAL = %#010x\n", in32r(PCIX0_PIM1LAL));
+ printf("PCIX0_PIM2LAH = %#010x\n", in32r(PCIX0_PIM1LAH));
+
+ printf("PCIX0_XSTS = %#010x\n", in32r(PCIX0_STS));
+}
+
+int do_show_xbridge_info(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ show_xbridge_info();
+ return 0;
+}
+
+U_BOOT_CMD(xbriinfo, 1, 1, do_show_xbridge_info,
+ "xbriinfo - Show PCIX bridge info\n", NULL);
+
+#define TAISHAN_PCI_DEV_ID0 0x800
+#define TAISHAN_PCI_DEV_ID1 0x1000
+
+void show_pcix_device_info(void)
+{
+ int ii;
+ int dev;
+ u8 capp;
+ u8 xcapid;
+ u16 status;
+ u16 xcommand;
+ u32 xstatus;
+
+ for (ii = 0; ii < 2; ii++) {
+ if (ii == 0)
+ dev = TAISHAN_PCI_DEV_ID0;
+ else
+ dev = TAISHAN_PCI_DEV_ID1;
+
+ pci_read_config_word(dev, PCI_STATUS, &status);
+ if (status & PCI_STATUS_CAP_LIST) {
+ pci_read_config_byte(dev, PCI_CAPABILITY_LIST, &capp);
+
+ pci_read_config_byte(dev, (int)(capp), &xcapid);
+ if (xcapid == 0x07) {
+ pci_read_config_word(dev, (int)(capp + 2),
+ &xcommand);
+ pci_read_config_dword(dev, (int)(capp + 4),
+ &xstatus);
+ printf("BUS0 dev%d Xcommand=%#06x,Xstatus=%#010x\n",
+ (ii + 1), xcommand, xstatus);
+ } else {
+ printf("BUS0 dev%d PCI-X CAP ID error,"
+ "CAP=%#04x,XCAPID=%#04x\n",
+ (ii + 1), capp, xcapid);
+ }
+ } else {
+ printf("BUS0 dev%d not found PCI_STATUS_CAP_LIST supporting\n",
+ ii + 1);
+ }
+ }
+
+}
+
+int do_show_pcix_device_info(cmd_tbl_t * cmdtp, int flag, int argc,
+ char *argv[])
+{
+ show_pcix_device_info();
+ return 0;
+}
+
+U_BOOT_CMD(xdevinfo, 1, 1, do_show_pcix_device_info,
+ "xdevinfo - Show PCIX Device info\n", NULL);
+
+extern void show_reset_reg(void);
+
+int do_show_reset_reg_info(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ show_reset_reg();
+ return 0;
+}
+
+U_BOOT_CMD(resetinfo, 1, 1, do_show_reset_reg_info,
+ "resetinfo - Show Reset REG info\n", NULL);
diff --git a/board/amcc/taishan/taishan.c b/board/amcc/taishan/taishan.c
new file mode 100644
index 0000000..7e02371
--- /dev/null
+++ b/board/amcc/taishan/taishan.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright (C) 2004 PaulReynolds@lhsolutions.com
+ *
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <asm/processor.h>
+#include <spd_sdram.h>
+#include <ppc4xx_enet.h>
+
+#ifdef CFG_INIT_SHOW_RESET_REG
+void show_reset_reg(void);
+#endif
+
+int lcd_init(void);
+
+int board_early_init_f (void)
+{
+ unsigned long reg;
+ volatile unsigned int *GpioOdr;
+ volatile unsigned int *GpioTcr;
+ volatile unsigned int *GpioOr;
+
+ /*-------------------------------------------------------------------------+
+ | Initialize EBC CONFIG
+ +-------------------------------------------------------------------------*/
+ mtebc(xbcfg, EBC_CFG_LE_UNLOCK |
+ EBC_CFG_PTD_ENABLE | EBC_CFG_RTC_64PERCLK |
+ EBC_CFG_ATC_PREVIOUS | EBC_CFG_DTC_PREVIOUS |
+ EBC_CFG_CTC_PREVIOUS | EBC_CFG_EMC_DEFAULT |
+ EBC_CFG_PME_DISABLE | EBC_CFG_PR_32);
+
+ /*-------------------------------------------------------------------------+
+ | 64MB FLASH. Initialize bank 0 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(pb0ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(15) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
+ EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
+ EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(pb0cr, EBC_BXCR_BAS_ENCODE(CFG_FLASH_BASE) |
+ EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_32BIT);
+
+ /*-------------------------------------------------------------------------+
+ | FPGA. Initialize bank 1 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(pb1ap, EBC_BXAP_BME_DISABLED|EBC_BXAP_TWT_ENCODE(5) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(1) | EBC_BXAP_OEN_ENCODE(1) |
+ EBC_BXAP_WBN_ENCODE(1) | EBC_BXAP_WBF_ENCODE(1) |
+ EBC_BXAP_TH_ENCODE(3) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(pb1cr, EBC_BXCR_BAS_ENCODE(0x41000000) |
+ EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_8BIT);
+
+ /*-------------------------------------------------------------------------+
+ | LCM. Initialize bank 2 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(pb2ap, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(64) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
+ EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
+ EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(pb2cr, EBC_BXCR_BAS_ENCODE(0x42000000) |
+ EBC_BXCR_BS_1MB | EBC_BXCR_BU_RW|EBC_BXCR_BW_8BIT);
+
+ /*-------------------------------------------------------------------------+
+ | TMP. Initialize bank 3 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(pb3ap, EBC_BXAP_BME_DISABLED | EBC_BXAP_TWT_ENCODE(128) |
+ EBC_BXAP_BCE_DISABLE |
+ EBC_BXAP_CSN_ENCODE(3) | EBC_BXAP_OEN_ENCODE(3) |
+ EBC_BXAP_WBN_ENCODE(3) | EBC_BXAP_WBF_ENCODE(3) |
+ EBC_BXAP_TH_ENCODE(7) | EBC_BXAP_RE_DISABLED |
+ EBC_BXAP_BEM_WRITEONLY |
+ EBC_BXAP_PEN_DISABLED);
+ mtebc(pb3cr, EBC_BXCR_BAS_ENCODE(0x48000000) |
+ EBC_BXCR_BS_64MB | EBC_BXCR_BU_RW | EBC_BXCR_BW_32BIT);
+
+ /*-------------------------------------------------------------------------+
+ | Connector 4~7. Initialize bank 3~ 7 with default values.
+ +-------------------------------------------------------------------------*/
+ mtebc(pb4ap,0);
+ mtebc(pb4cr,0);
+ mtebc(pb5ap,0);
+ mtebc(pb5cr,0);
+ mtebc(pb6ap,0);
+ mtebc(pb6cr,0);
+ mtebc(pb7ap,0);
+ mtebc(pb7cr,0);
+
+ /*--------------------------------------------------------------------
+ * Setup the interrupt controller polarities, triggers, etc.
+ *-------------------------------------------------------------------*/
+ mtdcr (uic0sr, 0xffffffff); /* clear all */
+ mtdcr (uic0er, 0x00000000); /* disable all */
+ mtdcr (uic0cr, 0x00000009); /* SMI & UIC1 crit are critical */
+ mtdcr (uic0pr, 0xfffffe13); /* per ref-board manual */
+ mtdcr (uic0tr, 0x01c00008); /* per ref-board manual */
+ mtdcr (uic0vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic0sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic1sr, 0xffffffff); /* clear all */
+ mtdcr (uic1er, 0x00000000); /* disable all */
+ mtdcr (uic1cr, 0x00000000); /* all non-critical */
+ mtdcr (uic1pr, 0xffffe0ff); /* per ref-board manual */
+ mtdcr (uic1tr, 0x00ffc000); /* per ref-board manual */
+ mtdcr (uic1vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic1sr, 0xffffffff); /* clear all */
+
+ mtdcr (uic2sr, 0xffffffff); /* clear all */
+ mtdcr (uic2er, 0x00000000); /* disable all */
+ mtdcr (uic2cr, 0x00000000); /* all non-critical */
+ mtdcr (uic2pr, 0xffffffff); /* per ref-board manual */
+ mtdcr (uic2tr, 0x00ff8c0f); /* per ref-board manual */
+ mtdcr (uic2vr, 0x00000001); /* int31 highest, base=0x000 */
+ mtdcr (uic2sr, 0xffffffff); /* clear all */
+
+ mtdcr (uicb0sr, 0xfc000000); /* clear all */
+ mtdcr (uicb0er, 0x00000000); /* disable all */
+ mtdcr (uicb0cr, 0x00000000); /* all non-critical */
+ mtdcr (uicb0pr, 0xfc000000); /* */
+ mtdcr (uicb0tr, 0x00000000); /* */
+ mtdcr (uicb0vr, 0x00000001); /* */
+
+ /* Enable two GPIO 10~11 and TraceA signal */
+ mfsdr(sdr_pfc0,reg);
+ reg |= 0x00300000;
+ mtsdr(sdr_pfc0,reg);
+
+ mfsdr(sdr_pfc1,reg);
+ reg |= 0x00100000;
+ mtsdr(sdr_pfc1,reg);
+
+ /* Set GPIO 10 and 11 as output */
+ GpioOdr = (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x718);
+ GpioTcr = (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x704);
+ GpioOr = (volatile unsigned int*)(CFG_PERIPHERAL_BASE+0x700);
+
+ *GpioOdr &= ~(0x00300000);
+ *GpioTcr |= 0x00300000;
+ *GpioOr |= 0x00300000;
+
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ lcd_init();
+
+ return 0;
+}
+
+int checkboard (void)
+{
+ char *s = getenv ("serial#");
+
+ printf ("Board: Taishan - AMCC PPC440GX Evaluation Board");
+ if (s != NULL) {
+ puts (", serial# ");
+ puts (s);
+ }
+ putc ('\n');
+
+#ifdef CFG_INIT_SHOW_RESET_REG
+ show_reset_reg();
+#endif
+
+ return (0);
+}
+
+#if defined(CFG_DRAM_TEST)
+int testdram (void)
+{
+ uint *pstart = (uint *) 0x04000000;
+ uint *pend = (uint *) 0x0fc00000;
+ uint *p;
+
+ 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;
+ }
+ }
+
+ 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;
+ }
+ }
+ return 0;
+}
+#endif
+
+/*************************************************************************
+ * pci_pre_init
+ *
+ * This routine is called just prior to registering the hose and gives
+ * the board the opportunity to check things. Returning a value of zero
+ * indicates that things are bad & PCI initialization should be aborted.
+ *
+ * Different boards may wish to customize the pci controller structure
+ * (add regions, override default access routines, etc) or perform
+ * certain pre-initialization actions.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT)
+int pci_pre_init(struct pci_controller * hose )
+{
+ unsigned long strap;
+
+ /*--------------------------------------------------------------------------+
+ * The ocotea board is always configured as the host & requires the
+ * PCI arbiter to be enabled.
+ *--------------------------------------------------------------------------*/
+ mfsdr(sdr_sdstp1, strap);
+ if( (strap & SDR0_SDSTP1_PAE_MASK) == 0 ){
+ printf("PCI: SDR0_STRP1[%08lX] - PCI Arbiter disabled.\n",strap);
+ return 0;
+ }
+
+ return 1;
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_PRE_INIT) */
+
+/*************************************************************************
+ * pci_target_init
+ *
+ * The bootstrap configuration provides default settings for the pci
+ * inbound map (PIM). But the bootstrap config choices are limited and
+ * may not be sufficient for a given board.
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
+void pci_target_init(struct pci_controller * hose )
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /*--------------------------------------------------------------------------+
+ * Disable everything
+ *--------------------------------------------------------------------------*/
+ out32r( PCIX0_PIM0SA, 0 ); /* disable */
+ out32r( PCIX0_PIM1SA, 0 ); /* disable */
+ out32r( PCIX0_PIM2SA, 0 ); /* disable */
+ out32r( PCIX0_EROMBA, 0 ); /* disable expansion rom */
+
+ /*--------------------------------------------------------------------------+
+ * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440 strapping
+ * options to not support sizes such as 128/256 MB.
+ *--------------------------------------------------------------------------*/
+ out32r( PCIX0_PIM0LAL, CFG_SDRAM_BASE );
+ out32r( PCIX0_PIM0LAH, 0 );
+ out32r( PCIX0_PIM0SA, ~(gd->ram_size - 1) | 1 );
+
+ out32r( PCIX0_BAR0, 0 );
+
+ /*--------------------------------------------------------------------------+
+ * Program the board's subsystem id/vendor id
+ *--------------------------------------------------------------------------*/
+ out16r( PCIX0_SBSYSVID, CFG_PCI_SUBSYS_VENDORID );
+ out16r( PCIX0_SBSYSID, CFG_PCI_SUBSYS_DEVICEID );
+
+ out16r( PCIX0_CMD, in16r(PCIX0_CMD) | PCI_COMMAND_MEMORY );
+}
+#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
+
+/*************************************************************************
+ * is_pci_host
+ *
+ * This routine is called to determine if a pci scan should be
+ * performed. With various hardware environments (especially cPCI and
+ * PPMC) it's insufficient to depend on the state of the arbiter enable
+ * bit in the strap register, or generic host/adapter assumptions.
+ *
+ * Rather than hard-code a bad assumption in the general 440 code, the
+ * 440 pci code requires the board to decide at runtime.
+ *
+ * Return 0 for adapter mode, non-zero for host (monarch) mode.
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_PCI)
+int is_pci_host(struct pci_controller *hose)
+{
+ /* The ocotea board is always configured as host. */
+ return(1);
+}
+#endif /* defined(CONFIG_PCI) */
+
+#ifdef CONFIG_POST
+/*
+ * Returns 1 if keys pressed to start the power-on long-running tests
+ * Called from board_init_f().
+ */
+int post_hotkeys_pressed(void)
+{
+ return (ctrlc());
+}
+#endif
diff --git a/board/amcc/taishan/u-boot.lds b/board/amcc/taishan/u-boot.lds
new file mode 100644
index 0000000..664716e
--- /dev/null
+++ b/board/amcc/taishan/u-boot.lds
@@ -0,0 +1,157 @@
+/*
+ * (C) Copyright 2004
+ * 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)
+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/ppc4xx/start.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 :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ cpu/ppc4xx/start.o (.text)
+ board/amcc/taishan/init.o (.text)
+ cpu/ppc4xx/kgdb.o (.text)
+ cpu/ppc4xx/traps.o (.text)
+ cpu/ppc4xx/interrupts.o (.text)
+ cpu/ppc4xx/serial.o (.text)
+ cpu/ppc4xx/cpu_init.o (.text)
+ cpu/ppc4xx/speed.o (.text)
+ common/dlmalloc.o (.text)
+ lib_generic/crc32.o (.text)
+ lib_ppc/extable.o (.text)
+ lib_generic/zlib.o (.text)
+
+/* . = env_offset;*/
+/* common/environment.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 = .);
+}
diff --git a/board/amcc/taishan/update.c b/board/amcc/taishan/update.c
new file mode 100644
index 0000000..ed2c196
--- /dev/null
+++ b/board/amcc/taishan/update.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@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 <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <i2c.h>
+
+#if defined(CONFIG_TAISHAN)
+
+const uchar bootstrap_buf[16] = {
+ 0x86,
+ 0x78,
+ 0xc1,
+ 0xa6,
+ 0x09,
+ 0x67,
+ 0x04,
+ 0x63,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00
+};
+
+static int update_boot_eeprom(void)
+{
+ ulong len = 0x10;
+ uchar chip = CFG_BOOTSTRAP_IIC_ADDR;
+ uchar *pbuf = (uchar *)bootstrap_buf;
+ int ii, jj;
+
+ for (ii = 0; ii < len; ii++) {
+ if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) {
+ printf("i2c_write failed\n");
+ return -1;
+ }
+
+ /* wait 10ms */
+ for (jj = 0; jj < 10; jj++)
+ udelay(1000);
+ }
+ return 0;
+}
+
+int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ return update_boot_eeprom();
+}
+
+U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom,
+ "update_boot_eeprom - update bootstrap eeprom content\n", NULL);
+#endif