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authorwdenk <wdenk>2004-10-28 00:09:35 +0000
committerwdenk <wdenk>2004-10-28 00:09:35 +0000
commit983fda8391fa0ccfd4e0fd0bfb5a5e662e07b222 (patch)
treeb39fd35e9f0bf906338bfce8f83eb7c8ff850428 /board/alaska
parente3c9b9f9287a17c2a20d9b1b77747bd209e8408b (diff)
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Patch by TsiChung Liew, 23 Sep 2004:
- add support for MPC8220 CPU - Add support for Alaska and Yukon boards
Diffstat (limited to 'board/alaska')
-rw-r--r--board/alaska/Makefile45
-rw-r--r--board/alaska/alaska.c153
-rw-r--r--board/alaska/config.mk31
-rw-r--r--board/alaska/extserial.c110
-rw-r--r--board/alaska/flash.c807
-rw-r--r--board/alaska/serial.c131
-rw-r--r--board/alaska/u-boot.lds122
7 files changed, 1399 insertions, 0 deletions
diff --git a/board/alaska/Makefile b/board/alaska/Makefile
new file mode 100644
index 0000000..d2b5bb7
--- /dev/null
+++ b/board/alaska/Makefile
@@ -0,0 +1,45 @@
+# (C) Copyright 2003-2004
+# 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
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = lib$(BOARD).a
+
+OBJS := $(BOARD).o flash.o extserial.o serial.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $(OBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak .depend
+
+#########################################################################
+
+.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@
+
+-include .depend
+
+#########################################################################
diff --git a/board/alaska/alaska.c b/board/alaska/alaska.c
new file mode 100644
index 0000000..93874b2
--- /dev/null
+++ b/board/alaska/alaska.c
@@ -0,0 +1,153 @@
+/*
+ * (C) Copyright 2004, Freescale Inc.
+ * TsiChung Liew, Tsi-Chung.Liew@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 <common.h>
+#include <mpc8220.h>
+#include <asm/processor.h>
+#include <asm/mmu.h>
+
+void setupBat (ulong size)
+{
+ ulong batu, batl;
+ int blocksize = 0;
+
+ /* Flash 0 */
+#if defined (CFG_AMD_BOOT)
+ batu = CFG_FLASH0_BASE | (BL_512K << 2) | BPP_RW | BPP_RX;
+#else
+ batu = CFG_FLASH0_BASE | (BL_16M << 2) | BPP_RW | BPP_RX;
+#endif
+ batl = CFG_FLASH0_BASE | 0x22;
+ write_bat (IBAT0, batu, batl);
+ write_bat (DBAT0, batu, batl);
+
+ /* Flash 1 */
+#if defined (CFG_AMD_BOOT)
+ batu = CFG_FLASH1_BASE | (BL_16M << 2) | BPP_RW | BPP_RX;
+#else
+ batu = CFG_FLASH1_BASE | (BL_512K << 2) | BPP_RW | BPP_RX;
+#endif
+ batl = CFG_FLASH1_BASE | 0x22;
+ write_bat (IBAT1, batu, batl);
+ write_bat (DBAT1, batu, batl);
+
+ /* CPLD */
+ batu = CFG_CPLD_BASE | (BL_512K << 2) | BPP_RW | BPP_RX;
+ batl = CFG_CPLD_BASE | 0x22;
+ write_bat (IBAT2, 0, 0);
+ write_bat (DBAT2, batu, batl);
+
+ /* FPGA */
+ batu = CFG_FPGA_BASE | (BL_512K << 2) | BPP_RW | BPP_RX;
+ batl = CFG_FPGA_BASE | 0x22;
+ write_bat (IBAT3, 0, 0);
+ write_bat (DBAT3, batu, batl);
+
+ /* MBAR - Data only */
+ batu = CFG_MBAR | BPP_RW | BPP_RX;
+ batl = CFG_MBAR | 0x22;
+ mtspr (IBAT4L, 0);
+ mtspr (IBAT4U, 0);
+ mtspr (DBAT4L, batl);
+ mtspr (DBAT4U, batu);
+
+ /* MBAR - SRAM */
+ batu = CFG_SRAM_BASE | BPP_RW | BPP_RX;
+ batl = CFG_SRAM_BASE | 0x42;
+ mtspr (IBAT5L, batl);
+ mtspr (IBAT5U, batu);
+ mtspr (DBAT5L, batl);
+ mtspr (DBAT5U, batu);
+
+ if (size <= 0x800000) /* 8MB */
+ blocksize = BL_8M << 2;
+ else if (size <= 0x1000000) /* 16MB */
+ blocksize = BL_16M << 2;
+ else if (size <= 0x2000000) /* 32MB */
+ blocksize = BL_32M << 2;
+ else if (size <= 0x4000000) /* 64MB */
+ blocksize = BL_64M << 2;
+ else if (size <= 0x8000000) /* 128MB */
+ blocksize = BL_128M << 2;
+ else if (size <= 0x10000000) /* 256MB */
+ blocksize = BL_256M << 2;
+
+ /* Memory */
+ batu = CFG_SDRAM_BASE | blocksize | BPP_RW | BPP_RX;
+ batl = CFG_SDRAM_BASE | 0x42;
+ mtspr (IBAT6L, batl);
+ mtspr (IBAT6U, batu);
+ mtspr (DBAT6L, batl);
+ mtspr (DBAT6U, batu);
+
+ /* memory size is less than 256MB */
+ if (size <= 0x10000000) {
+ /* Nothing */
+ batu = 0;
+ batl = 0;
+ } else {
+ size -= 0x10000000;
+ if (size <= 0x800000) /* 8MB */
+ blocksize = BL_8M << 2;
+ else if (size <= 0x1000000) /* 16MB */
+ blocksize = BL_16M << 2;
+ else if (size <= 0x2000000) /* 32MB */
+ blocksize = BL_32M << 2;
+ else if (size <= 0x4000000) /* 64MB */
+ blocksize = BL_64M << 2;
+ else if (size <= 0x8000000) /* 128MB */
+ blocksize = BL_128M << 2;
+ else if (size <= 0x10000000) /* 256MB */
+ blocksize = BL_256M << 2;
+
+ batu = (CFG_SDRAM_BASE +
+ 0x10000000) | blocksize | BPP_RW | BPP_RX;
+ batl = (CFG_SDRAM_BASE + 0x10000000) | 0x42;
+ }
+
+ mtspr (IBAT7L, batl);
+ mtspr (IBAT7U, batu);
+ mtspr (DBAT7L, batl);
+ mtspr (DBAT7U, batu);
+}
+
+long int initdram (int board_type)
+{
+ ulong size;
+
+ size = dramSetup ();
+
+/* if iCache ad dCache is defined */
+#if (CONFIG_COMMANDS & CFG_CMD_CACHE)
+/* setupBat(size);*/
+#endif
+
+ return size;
+}
+
+int checkboard (void)
+{
+ puts ("Board: Alaska MPC8220 Evaluation Board\n");
+
+ return 0;
+}
diff --git a/board/alaska/config.mk b/board/alaska/config.mk
new file mode 100644
index 0000000..99d28a5
--- /dev/null
+++ b/board/alaska/config.mk
@@ -0,0 +1,31 @@
+#
+# (C) Copyright 2003-2004
+# 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
+#
+
+#
+# alaska board
+#
+
+TEXT_BASE = 0xfff00000
+# TEXT_BASE = 0x00100000
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/alaska/extserial.c b/board/alaska/extserial.c
new file mode 100644
index 0000000..f17e06e
--- /dev/null
+++ b/board/alaska/extserial.c
@@ -0,0 +1,110 @@
+/*
+ * (C) Copyright 2004, Freescale, Inc
+ * TsiChung Liew, Tsi-Chung.Liew@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
+ *
+ */
+
+/*
+ * Minimal serial functions needed to use one of the PSC ports
+ * as serial console interface.
+ */
+
+#include <common.h>
+#include <mpc8220.h>
+
+#if defined (CONFIG_EXTUART_CONSOLE)
+# include <ns16550.h>
+
+# define PADSERIAL_BAUD_115200 0x40
+# define PADSERIAL_BAUD_57600 0x20
+# define PADSERIAL_BAUD_9600 0
+# define PADCARD_FREQ 18432000
+
+const NS16550_t com_port = (NS16550_t) CFG_NS16550_COM1;
+
+int ext_serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ volatile u8 *dipswitch = (volatile u8 *) (CFG_CPLD_BASE + 0x1002);
+ int baud_divisor;
+
+ /* Find out the baud rate speed on debug card dip switches */
+ if (*dipswitch & PADSERIAL_BAUD_115200)
+ gd->baudrate = 115200;
+ else if (*dipswitch & PADSERIAL_BAUD_57600)
+ gd->baudrate = 57600;
+ else
+ gd->baudrate = 9600;
+
+ /* Debug card frequency */
+ baud_divisor = PADCARD_FREQ / (16 * gd->baudrate);
+
+ NS16550_init (com_port, baud_divisor);
+
+ return (0);
+}
+
+void ext_serial_putc (const char c)
+{
+ if (c == '\n')
+ NS16550_putc (com_port, '\r');
+
+ NS16550_putc (com_port, c);
+}
+
+void ext_serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+int ext_serial_getc (void)
+{
+ return NS16550_getc (com_port);
+}
+
+int ext_serial_tstc (void)
+{
+ return NS16550_tstc (com_port);
+}
+
+void ext_serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ volatile u8 *dipswitch = (volatile u8 *) (CFG_CPLD_BASE + 0x1002);
+ int baud_divisor;
+
+ /* Find out the baud rate speed on debug card dip switches */
+ if (*dipswitch & PADSERIAL_BAUD_115200)
+ gd->baudrate = 115200;
+ else if (*dipswitch & PADSERIAL_BAUD_57600)
+ gd->baudrate = 57600;
+ else
+ gd->baudrate = 9600;
+
+ /* Debug card frequency */
+ baud_divisor = PADCARD_FREQ / (16 * gd->baudrate);
+
+ NS16550_reinit (com_port, baud_divisor);
+}
+#endif /* CONFIG_EXTUART_CONSOLE */
diff --git a/board/alaska/flash.c b/board/alaska/flash.c
new file mode 100644
index 0000000..48c9472
--- /dev/null
+++ b/board/alaska/flash.c
@@ -0,0 +1,807 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2004
+ * 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
+ */
+
+#include <common.h>
+#include <linux/byteorder/swab.h>
+
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#define FLASH_PORT_WIDTH8
+
+typedef unsigned char FLASH_PORT_WIDTH;
+typedef volatile unsigned char FLASH_PORT_WIDTHV;
+
+#define SWAP(x) (x)
+
+/* Intel-compatible flash ID */
+#define INTEL_COMPAT 0x89
+#define INTEL_ALT 0xB0
+
+/* Intel-compatible flash commands */
+#define INTEL_PROGRAM 0x10
+#define INTEL_ERASE 0x20
+#define INTEL_CLEAR 0x50
+#define INTEL_LOCKBIT 0x60
+#define INTEL_PROTECT 0x01
+#define INTEL_STATUS 0x70
+#define INTEL_READID 0x90
+#define INTEL_CONFIRM 0xD0
+#define INTEL_RESET 0xFF
+
+/* Intel-compatible flash status bits */
+#define INTEL_FINISHED 0x80
+#define INTEL_OK 0x80
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define FLASH_CYCLE1 0x0555
+#define FLASH_CYCLE2 0x02aa
+
+#define WR_BLOCK 0x20
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info);
+static int write_data (flash_info_t * info, ulong dest, FPW data);
+static int write_data_block (flash_info_t * info, ulong src, ulong dest);
+static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
+void inline spin_wheel (void);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+ ulong fsize = 0;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ memset (&flash_info[i], 0, sizeof (flash_info_t));
+
+ switch (i) {
+ case 0:
+ flash_get_size ((FPW *) CFG_FLASH1_BASE,
+ &flash_info[i]);
+ flash_get_offsets (CFG_FLASH1_BASE, &flash_info[i]);
+ break;
+ case 1:
+ flash_get_size ((FPW *) CFG_FLASH1_BASE,
+ &flash_info[i]);
+ fsize = CFG_FLASH1_BASE + flash_info[i - 1].size;
+ flash_get_offsets (fsize, &flash_info[i]);
+ break;
+ case 2:
+ flash_get_size ((FPW *) CFG_FLASH0_BASE,
+ &flash_info[i]);
+ flash_get_offsets (CFG_FLASH0_BASE, &flash_info[i]);
+ break;
+ case 3:
+ flash_get_size ((FPW *) CFG_FLASH0_BASE,
+ &flash_info[i]);
+ fsize = CFG_FLASH0_BASE + flash_info[i - 1].size;
+ flash_get_offsets (fsize, &flash_info[i]);
+ break;
+ default:
+ panic ("configured to many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+#if defined (CFG_AMD_BOOT)
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[2]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_INTEL_BASE,
+ CFG_INTEL_BASE + monitor_flash_len - 1,
+ &flash_info[1]);
+#else
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[3]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_AMD_BASE,
+ CFG_AMD_BASE + monitor_flash_len - 1, &flash_info[0]);
+#endif
+
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV1_ADDR,
+ CFG_ENV1_ADDR + CFG_ENV1_SIZE - 1, &flash_info[1]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1, &flash_info[3]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ return;
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_AMD_SECT_SIZE);
+ info->protect[i] = 0;
+ }
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_INTEL_SECT_SIZE);
+ info->protect[i] = 0;
+ }
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_INTEL:
+ printf ("INTEL ");
+ break;
+ case FLASH_MAN_AMD:
+ printf ("AMD ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\n");
+ break;
+
+ case FLASH_AM040:
+ printf ("AMD29F040B\n");
+ break;
+
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s",
+ info->start[i], info->protect[i] ? " (RO)" : " ");
+ }
+ printf ("\n");
+ return;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (FPW * addr, flash_info_t * info)
+{
+ FPWV value;
+ static int amd = 0;
+
+ /* Write auto select command: read Manufacturer ID */
+ /* Write auto select command sequence and test FLASH answer */
+ addr[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* for AMD, Intel ignores this */
+ __asm__ ("sync");
+ addr[FLASH_CYCLE2] = (FPW) 0x00550055; /* for AMD, Intel ignores this */
+ __asm__ ("sync");
+ addr[FLASH_CYCLE1] = (FPW) 0x00900090; /* selects Intel or AMD */
+ __asm__ ("sync");
+
+ udelay (100);
+
+ switch (addr[0] & 0xff) {
+
+ case (uchar) AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ value = addr[1];
+ break;
+
+ case (uchar) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ value = addr[2];
+ break;
+
+ default:
+ printf ("unknown\n");
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
+ }
+
+ switch (value) {
+
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 64;
+ info->size = 0x00800000; /* => 16 MB */
+ break;
+
+ case (FPW) AMD_ID_LV040B:
+ info->flash_id += FLASH_AM040;
+ if (amd == 0) {
+ info->sector_count = 7;
+ info->size = 0x00070000; /* => 448 KB */
+ amd = 1;
+ } else {
+ /* for Environment settings */
+ info->sector_count = 1;
+ info->size = PHYS_AMD_SECT_SIZE; /* => 64 KB */
+ amd = 0;
+ }
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CFG_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count = CFG_MAX_FLASH_SECT;
+ }
+
+ if (value == (FPW) INTEL_ID_28F128J3A)
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ else
+ addr[0] = (FPW) 0x00F000F0; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag, prot, sect;
+ ulong type, start, last;
+ int rcode = 0, intel = 0;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN)
+ printf ("- missing\n");
+ else
+ printf ("- no sectors to erase\n");
+ return 1;
+ }
+
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_INTEL)) {
+ type = (info->flash_id & FLASH_VENDMASK);
+ if ((type != FLASH_MAN_AMD)) {
+ printf ("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+ }
+
+ if (type == FLASH_MAN_INTEL)
+ intel = 1;
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n", prot);
+ } else {
+ printf ("\n");
+ }
+
+ start = get_timer (0);
+ last = start;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ FPWV *addr = (FPWV *) (info->start[sect]);
+ FPW status;
+
+ printf ("Erasing sector %2d ... ", sect);
+
+ /* arm simple, non interrupt dependent timer */
+ start = get_timer (0);
+
+ if (intel) {
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+ } else {
+ FPWV *base; /* first address in bank */
+
+ base = (FPWV *) (CFG_AMD_BASE);
+ base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */
+ base[FLASH_CYCLE1] = (FPW) 0x00800080; /* erase mode */
+ base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */
+ *addr = (FPW) 0x00300030; /* erase sector */
+ }
+
+ while (((status =
+ *addr) & (FPW) 0x00800080) !=
+ (FPW) 0x00800080) {
+ if (get_timer (start) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ if (intel) {
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ } else
+ *addr = (FPW) 0x00F000F0; /* reset to read mode */
+
+ rcode = 1;
+ break;
+ }
+ }
+
+ if (intel) {
+ *addr = (FPW) 0x00500050; /* clear status register cmd. */
+ *addr = (FPW) 0x00FF00FF; /* resest to read mode */
+ } else
+ *addr = (FPW) 0x00F000F0; /* reset to read mode */
+
+ printf (" done\n");
+ }
+ }
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ * 4 - Flash not identified
+ */
+
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ {
+ FPW data = 0; /* 16 or 32 bit word, matches flash bus width */
+ int bytes; /* number of bytes to program in current word */
+ int left; /* number of bytes left to program */
+ int i, res;
+
+ for (left = cnt, res = 0;
+ left > 0 && res == 0;
+ addr += sizeof (data), left -=
+ sizeof (data) - bytes) {
+
+ bytes = addr & (sizeof (data) - 1);
+ addr &= ~(sizeof (data) - 1);
+
+ /* combine source and destination data so can program
+ * an entire word of 16 or 32 bits
+ */
+ for (i = 0; i < sizeof (data); i++) {
+ data <<= 8;
+ if (i < bytes || i - bytes >= left)
+ data += *((uchar *) addr + i);
+ else
+ data += *src++;
+ }
+
+ res = write_word_amd (info, (FPWV *) addr,
+ data);
+ }
+ return res;
+ } /* case FLASH_MAN_AMD */
+
+ case FLASH_MAN_INTEL:
+ {
+ ulong cp, wp;
+ FPW data;
+ int count, i, l, rc, port_width;
+
+ /* get lower word aligned address */
+ wp = addr;
+ port_width = 1;
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ for (; i < port_width && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+
+ for (; cnt == 0 && i < port_width; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ if ((rc =
+ write_data (info, wp, SWAP (data))) != 0)
+ return (rc);
+ wp += port_width;
+ }
+
+ if (cnt > WR_BLOCK) {
+ /*
+ * handle word aligned part
+ */
+ count = 0;
+ while (cnt >= WR_BLOCK) {
+
+ if ((rc =
+ write_data_block (info,
+ (ulong) src,
+ wp)) != 0)
+ return (rc);
+
+ wp += WR_BLOCK;
+ src += WR_BLOCK;
+ cnt -= WR_BLOCK;
+
+ if (count++ > 0x800) {
+ spin_wheel ();
+ count = 0;
+ }
+ }
+ }
+
+ if (cnt < WR_BLOCK) {
+ /*
+ * handle word aligned part
+ */
+ count = 0;
+ while (cnt >= port_width) {
+ data = 0;
+ for (i = 0; i < port_width; ++i)
+ data = (data << 8) | *src++;
+
+ if ((rc =
+ write_data (info, wp,
+ SWAP (data))) != 0)
+ return (rc);
+
+ wp += port_width;
+ cnt -= port_width;
+ if (count++ > 0x800) {
+ spin_wheel ();
+ count = 0;
+ }
+ }
+ }
+
+ if (cnt == 0)
+ return (0);
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < port_width && cnt > 0;
+ ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+
+ for (; i < port_width; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ return (write_data (info, wp, SWAP (data)));
+ } /* case FLASH_MAN_INTEL */
+
+ } /* switch */
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data (flash_info_t * info, ulong dest, FPW data)
+{
+ FPWV *addr = (FPWV *) dest;
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%lx)\n", (ulong) addr, *addr);
+ return (2);
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *addr = (FPW) 0x00400040; /* write setup */
+ *addr = data;
+
+ /* arm simple, non interrupt dependent timer */
+ start = get_timer (0);
+
+ /* wait while polling the status register */
+ while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word or halfword to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_data_block (flash_info_t * info, ulong src, ulong dest)
+{
+ FPWV *srcaddr = (FPWV *) src;
+ FPWV *dstaddr = (FPWV *) dest;
+ ulong start;
+ int flag, i;
+
+ /* Check if Flash is (sufficiently) erased */
+ for (i = 0; i < WR_BLOCK; i++)
+ if ((*dstaddr++ & 0xff) != 0xff) {
+ printf ("not erased at %08lx (%lx)\n",
+ (ulong) dstaddr, *dstaddr);
+ return (2);
+ }
+
+ dstaddr = (FPWV *) dest;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ *dstaddr = (FPW) 0x00e800e8; /* write block setup */
+
+ /* arm simple, non interrupt dependent timer */
+ start = get_timer (0);
+
+ /* wait while polling the status register */
+ while ((*dstaddr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *dstaddr = (FPW) 0x001f001f; /* write 32 to buffer */
+ for (i = 0; i < WR_BLOCK; i++)
+ *dstaddr++ = *srcaddr++;
+
+ dstaddr -= 1;
+ *dstaddr = (FPW) 0x00d000d0; /* write 32 to buffer */
+
+ /* arm simple, non interrupt dependent timer */
+ start = get_timer (0);
+
+ /* wait while polling the status register */
+ while ((*dstaddr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *dstaddr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash for AMD FLASH
+ * A word is 16 or 32 bits, whichever the bus width of the flash bank
+ * (not an individual chip) is.
+ *
+ * returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word_amd (flash_info_t * info, FPWV * dest, FPW data)
+{
+ ulong start;
+ int flag;
+ int res = 0; /* result, assume success */
+ FPWV *base; /* first address in flash bank */
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*dest & data) != data) {
+ return (2);
+ }
+
+ base = (FPWV *) (CFG_AMD_BASE);
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ base[FLASH_CYCLE1] = (FPW) 0x00AA00AA; /* unlock */
+ base[FLASH_CYCLE2] = (FPW) 0x00550055; /* unlock */
+ base[FLASH_CYCLE1] = (FPW) 0x00A000A0; /* selects program mode */
+
+ *dest = data; /* start programming the data */
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ start = get_timer (0);
+
+ /* data polling for D7 */
+ while (res == 0
+ && (*dest & (FPW) 0x00800080) != (data & (FPW) 0x00800080)) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *dest = (FPW) 0x00F000F0; /* reset bank */
+ res = 1;
+ }
+ }
+
+ return (res);
+}
+
+void inline spin_wheel (void)
+{
+ static int p = 0;
+ static char w[] = "\\/-";
+
+ printf ("\010%c", w[p]);
+ (++p == 3) ? (p = 0) : 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Set/Clear sector's lock bit, returns:
+ * 0 - OK
+ * 1 - Error (timeout, voltage problems, etc.)
+ */
+int flash_real_protect (flash_info_t * info, long sector, int prot)
+{
+ ulong start;
+ int i;
+ int rc = 0;
+ FPWV *addr = (FPWV *) (info->start[sector]);
+ int flag = disable_interrupts ();
+
+ /*
+ * 29F040B AMD flash does not support software protection/unprotection,
+ * the only way to protect the AMD flash is marked it as prot bit.
+ * This flash only support hardware protection, by supply or not supply
+ * 12vpp to the flash
+ */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) {
+ info->protect[sector] = prot;
+
+ return 0;
+ }
+
+ *addr = INTEL_CLEAR; /* Clear status register */
+ if (prot) { /* Set sector lock bit */
+ *addr = INTEL_LOCKBIT; /* Sector lock bit */
+ *addr = INTEL_PROTECT; /* set */
+ } else { /* Clear sector lock bit */
+ *addr = INTEL_LOCKBIT; /* All sectors lock bits */
+ *addr = INTEL_CONFIRM; /* clear */
+ }
+
+ start = get_timer (0);
+
+ while ((*addr & INTEL_FINISHED) != INTEL_FINISHED) {
+ if (get_timer (start) > CFG_FLASH_UNLOCK_TOUT) {
+ printf ("Flash lock bit operation timed out\n");
+ rc = 1;
+ break;
+ }
+ }
+
+ if (*addr != INTEL_OK) {
+ printf ("Flash lock bit operation failed at %08X, CSR=%08X\n",
+ (uint) addr, (uint) * addr);
+ rc = 1;
+ }
+
+ if (!rc)
+ info->protect[sector] = prot;
+
+ /*
+ * Clear lock bit command clears all sectors lock bits, so
+ * we have to restore lock bits of protected sectors.
+ */
+ if (!prot) {
+ for (i = 0; i < info->sector_count; i++) {
+ if (info->protect[i]) {
+ start = get_timer (0);
+ addr = (FPWV *) (info->start[i]);
+ *addr = INTEL_LOCKBIT; /* Sector lock bit */
+ *addr = INTEL_PROTECT; /* set */
+ while ((*addr & INTEL_FINISHED) !=
+ INTEL_FINISHED) {
+ if (get_timer (start) >
+ CFG_FLASH_UNLOCK_TOUT) {
+ printf ("Flash lock bit operation timed out\n");
+ rc = 1;
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ if (flag)
+ enable_interrupts ();
+
+ *addr = INTEL_RESET; /* Reset to read array mode */
+
+ return rc;
+}
diff --git a/board/alaska/serial.c b/board/alaska/serial.c
new file mode 100644
index 0000000..08285b8
--- /dev/null
+++ b/board/alaska/serial.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2004, Freescale, Inc
+ * TsiChung Liew, Tsi-Chung.Liew@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
+ *
+ */
+
+/*
+ * Minimal serial functions needed to use one of the PSC ports
+ * as serial console interface.
+ */
+
+#include <common.h>
+#include <mpc8220.h>
+
+int serial_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+#if defined (CONFIG_EXTUART_CONSOLE)
+ volatile uchar *cpld = (volatile uchar *) CFG_CPLD_BASE;
+#endif
+
+ /* Check CPLD Switch 2 whether is external or internal */
+#if defined (CONFIG_EXTUART_CONSOLE)
+ if ((*cpld & 0x02) == 0x02) {
+ gd->bExtUart = 1;
+ return ext_serial_init ();
+ } else
+#endif
+ {
+#if defined(CONFIG_PSC_CONSOLE)
+ gd->bExtUart = 0;
+ return psc_serial_init ();
+#endif
+ }
+
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+ ext_serial_putc (c);
+#endif
+ } else {
+#if defined(CONFIG_PSC_CONSOLE)
+ psc_serial_putc (c);
+#endif
+ }
+}
+
+void serial_puts (const char *s)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+ ext_serial_puts (s);
+#endif
+ } else {
+#if defined(CONFIG_PSC_CONSOLE)
+ psc_serial_puts (s);
+#endif
+ }
+}
+
+int serial_getc (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+ return ext_serial_getc ();
+#endif
+ } else {
+#if defined(CONFIG_PSC_CONSOLE)
+ return psc_serial_getc ();
+#endif
+ }
+}
+
+int serial_tstc (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+ return ext_serial_tstc ();
+#endif
+ } else {
+#if defined(CONFIG_PSC_CONSOLE)
+ return psc_serial_tstc ();
+#endif
+ }
+}
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ if (gd->bExtUart) {
+#if defined (CONFIG_EXTUART_CONSOLE)
+ ext_serial_setbrg ();
+#endif
+ } else {
+#if defined(CONFIG_PSC_CONSOLE)
+ psc_serial_setbrg ();
+#endif
+ }
+}
diff --git a/board/alaska/u-boot.lds b/board/alaska/u-boot.lds
new file mode 100644
index 0000000..6e4a060
--- /dev/null
+++ b/board/alaska/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2003-2004
+ * 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
+{
+ /* 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/mpc8220/start.o (.text)
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ . = ALIGN(16);
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ }
+ .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 = .);
+}