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-rw-r--r--board/esd/cpci5200/config.mk44
-rw-r--r--board/esd/cpci5200/cpci5200.c295
-rw-r--r--board/esd/cpci5200/mt46v16m16-75.h37
-rw-r--r--board/esd/cpci5200/strataflash.c804
-rw-r--r--board/esd/cpci5200/u-boot.lds122
-rw-r--r--board/esd/pf5200/Makefile53
-rw-r--r--board/esd/pf5200/config.mk44
-rw-r--r--board/esd/pf5200/flash.c461
-rw-r--r--board/esd/pf5200/mt46v16m16-75.h37
-rw-r--r--board/esd/pf5200/pf5200.c370
-rw-r--r--board/esd/pf5200/u-boot.lds122
11 files changed, 2389 insertions, 0 deletions
diff --git a/board/esd/cpci5200/config.mk b/board/esd/cpci5200/config.mk
new file mode 100644
index 0000000..07b5de1
--- /dev/null
+++ b/board/esd/cpci5200/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2003
+# 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
+#
+
+#
+# IceCube board:
+#
+# Valid values for TEXT_BASE are:
+#
+# 0xFFF00000 boot high (standard configuration)
+# 0xFF000000 boot low for 16 MiB boards
+# 0xFF800000 boot low for 8 MiB boards
+# 0x00100000 boot from RAM (for testing only)
+#
+
+sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+## Standard: boot high
+TEXT_BASE = 0xFFF00000
+## For testing: boot from RAM
+# TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/esd/cpci5200/cpci5200.c b/board/esd/cpci5200/cpci5200.c
new file mode 100644
index 0000000..01c4171
--- /dev/null
+++ b/board/esd/cpci5200/cpci5200.c
@@ -0,0 +1,295 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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
+ */
+
+/*
+ * cpci5200.c - main board support/init for the esd cpci5200.
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+#include <command.h>
+
+#include "mt46v16m16-75.h"
+
+void init_ata_reset(void);
+
+static void sdram_start(int hi_addr)
+{
+ long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+ /* unlock mode register */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* set mode register: extended mode */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
+ __asm__ volatile ("sync");
+
+ /* set mode register: reset DLL */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* auto refresh */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* set mode register */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+ __asm__ volatile ("sync");
+
+ /* normal operation */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+ __asm__ volatile ("sync");
+}
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ * is something else than 0x00000000.
+ */
+
+long int initdram(int board_type)
+{
+ ulong dramsize = 0;
+ ulong test1, test2;
+
+ /* setup SDRAM chip selects */
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */
+ __asm__ volatile ("sync");
+
+ /* setup config registers */
+ *(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+ *(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+ __asm__ volatile ("sync");
+
+ /* set tap delay */
+ *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
+ __asm__ volatile ("sync");
+
+ /* find RAM size using SDRAM CS0 only */
+ sdram_start(0);
+ test1 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+ sdram_start(1);
+ test2 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize = test1;
+ } else {
+ dramsize = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize < (1 << 20)) {
+ dramsize = 0;
+ }
+
+ /* set SDRAM CS0 size according to the amount of RAM found */
+ if (dramsize > 0) {
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+ 0x13 + __builtin_ffs(dramsize >> 20) - 1;
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
+ } else {
+#if 0
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
+#else
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+ 0x13 + __builtin_ffs(0x08000000 >> 20) - 1;
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e; /* 2G */
+#endif
+ }
+
+#if 0
+ /* find RAM size using SDRAM CS1 only */
+ sdram_start(0);
+ get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+ sdram_start(1);
+ get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+ sdram_start(0);
+#endif
+ /* set SDRAM CS1 size according to the amount of RAM found */
+
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
+
+ init_ata_reset();
+ return (dramsize);
+}
+
+int checkboard(void)
+{
+ puts("Board: esd CPCI5200 (cpci5200)\n");
+ return 0;
+}
+
+void flash_preinit(void)
+{
+ /*
+ * Now, when we are in RAM, enable flash write
+ * access for detection process.
+ * Note that CS_BOOT cannot be cleared when
+ * executing in flash.
+ */
+ *(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+}
+
+void flash_afterinit(ulong size)
+{
+ if (size == 0x02000000) {
+ /* adjust mapping */
+ *(vu_long *) MPC5XXX_BOOTCS_START =
+ *(vu_long *) MPC5XXX_CS0_START =
+ START_REG(CFG_BOOTCS_START | size);
+ *(vu_long *) MPC5XXX_BOOTCS_STOP =
+ *(vu_long *) MPC5XXX_CS0_STOP =
+ STOP_REG(CFG_BOOTCS_START | size, size);
+ }
+}
+
+#ifdef CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void
+ ) {
+ pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET)
+
+#define GPIO_PSC1_4 0x01000000UL
+
+void init_ide_reset(void)
+{
+ debug("init_ide_reset\n");
+
+ /* Configure PSC1_4 as GPIO output for ATA reset */
+ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
+}
+
+void ide_set_reset(int idereset)
+{
+ debug("ide_reset(%d)\n", idereset);
+
+ if (idereset) {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
+ } else {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+ }
+}
+#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */
+
+#define MPC5XXX_SIMPLEIO_GPIO_ENABLE (MPC5XXX_GPIO + 0x0004)
+#define MPC5XXX_SIMPLEIO_GPIO_DIR (MPC5XXX_GPIO + 0x000C)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x0010)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT (MPC5XXX_GPIO + 0x0014)
+
+#define MPC5XXX_INTERRUPT_GPIO_ENABLE (MPC5XXX_GPIO + 0x0020)
+#define MPC5XXX_INTERRUPT_GPIO_DIR (MPC5XXX_GPIO + 0x0028)
+#define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C)
+#define MPC5XXX_INTERRUPT_GPIO_STATUS (MPC5XXX_GPIO + 0x003C)
+
+#define GPIO_WU6 0x40000000UL
+#define GPIO_USB0 0x00010000UL
+#define GPIO_USB9 0x08000000UL
+#define GPIO_USB9S 0x00080000UL
+
+void init_ata_reset(void)
+{
+ debug("init_ata_reset\n");
+
+ /* Configure GPIO_WU6 as GPIO output for ATA reset */
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_WU6;
+ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6;
+ *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6;
+ __asm__ volatile ("sync");
+
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0;
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0;
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0;
+ __asm__ volatile ("sync");
+
+ *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
+ *(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9;
+ __asm__ volatile ("sync");
+
+ if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) {
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0;
+ __asm__ volatile ("sync");
+ }
+}
+
+int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned int addr;
+ unsigned int size;
+ int i;
+ volatile unsigned long *ptr;
+
+ addr = simple_strtol(argv[1], NULL, 16);
+ size = simple_strtol(argv[2], NULL, 16);
+
+ printf("\nWriting at addr %08x, size %08x.\n", addr, size);
+
+ while (1) {
+ ptr = (volatile unsigned long *)addr;
+ for (i = 0; i < (size >> 2); i++) {
+ *ptr++ = i;
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+ putc('.');
+ }
+ return 0;
+}
+
+U_BOOT_CMD(writepci, 3, 1, do_writepci,
+ "writepci- Write some data to pcibus\n",
+ "<addr> <size>\n" " - Write some data to pcibus.\n");
diff --git a/board/esd/cpci5200/mt46v16m16-75.h b/board/esd/cpci5200/mt46v16m16-75.h
new file mode 100644
index 0000000..22d0a55
--- /dev/null
+++ b/board/esd/cpci5200/mt46v16m16-75.h
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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
+ */
+
+#define SDRAM_DDR 1 /* is DDR */
+
+#if defined(CONFIG_MPC5200)
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE 0x018D0000
+#define SDRAM_EMODE 0x40090000
+#define SDRAM_CONTROL 0x705f0f00
+#define SDRAM_CONFIG1 0x73722930
+#define SDRAM_CONFIG2 0x47770000
+#define SDRAM_TAPDELAY 0x10000000
+
+#else
+#error CONFIG_MPC5200 not defined
+#endif
diff --git a/board/esd/cpci5200/strataflash.c b/board/esd/cpci5200/strataflash.c
new file mode 100644
index 0000000..d76af02
--- /dev/null
+++ b/board/esd/cpci5200/strataflash.c
@@ -0,0 +1,804 @@
+/*
+ * (C) Copyright 2002
+ * Brad Kemp, Seranoa Networks, Brad.Kemp@seranoa.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 <asm/processor.h>
+#include <asm/cache.h>
+
+#undef DEBUG_FLASH
+/*
+ * This file implements a Common Flash Interface (CFI) driver for U-Boot.
+ * The width of the port and the width of the chips are determined at initialization.
+ * These widths are used to calculate the address for access CFI data structures.
+ * It has been tested on an Intel Strataflash implementation.
+ *
+ * References
+ * JEDEC Standard JESD68 - Common Flash Interface (CFI)
+ * JEDEC Standard JEP137-A Common Flash Interface (CFI) ID Codes
+ * Intel Application Note 646 Common Flash Interface (CFI) and Command Sets
+ * Intel 290667-008 3 Volt Intel StrataFlash Memory datasheet
+ *
+ * TODO
+ * Use Primary Extended Query table (PRI) and Alternate Algorithm Query Table (ALT) to determine if protection is available
+ * Add support for other command sets Use the PRI and ALT to determine command set
+ * Verify erase and program timeouts.
+ */
+
+#define FLASH_CMD_CFI 0x98
+#define FLASH_CMD_READ_ID 0x90
+#define FLASH_CMD_RESET 0xff
+#define FLASH_CMD_BLOCK_ERASE 0x20
+#define FLASH_CMD_ERASE_CONFIRM 0xD0
+#define FLASH_CMD_WRITE 0x40
+#define FLASH_CMD_PROTECT 0x60
+#define FLASH_CMD_PROTECT_SET 0x01
+#define FLASH_CMD_PROTECT_CLEAR 0xD0
+#define FLASH_CMD_CLEAR_STATUS 0x50
+#define FLASH_CMD_WRITE_TO_BUFFER 0xE8
+#define FLASH_CMD_WRITE_BUFFER_CONFIRM 0xD0
+
+#define FLASH_STATUS_DONE 0x80
+#define FLASH_STATUS_ESS 0x40
+#define FLASH_STATUS_ECLBS 0x20
+#define FLASH_STATUS_PSLBS 0x10
+#define FLASH_STATUS_VPENS 0x08
+#define FLASH_STATUS_PSS 0x04
+#define FLASH_STATUS_DPS 0x02
+#define FLASH_STATUS_R 0x01
+#define FLASH_STATUS_PROTECT 0x01
+
+#define FLASH_OFFSET_CFI 0x55
+#define FLASH_OFFSET_CFI_RESP 0x10
+#define FLASH_OFFSET_WTOUT 0x1F
+#define FLASH_OFFSET_WBTOUT 0x20
+#define FLASH_OFFSET_ETOUT 0x21
+#define FLASH_OFFSET_CETOUT 0x22
+#define FLASH_OFFSET_WMAX_TOUT 0x23
+#define FLASH_OFFSET_WBMAX_TOUT 0x24
+#define FLASH_OFFSET_EMAX_TOUT 0x25
+#define FLASH_OFFSET_CEMAX_TOUT 0x26
+#define FLASH_OFFSET_SIZE 0x27
+#define FLASH_OFFSET_INTERFACE 0x28
+#define FLASH_OFFSET_BUFFER_SIZE 0x2A
+#define FLASH_OFFSET_NUM_ERASE_REGIONS 0x2C
+#define FLASH_OFFSET_ERASE_REGIONS 0x2D
+#define FLASH_OFFSET_PROTECT 0x02
+#define FLASH_OFFSET_USER_PROTECTION 0x85
+#define FLASH_OFFSET_INTEL_PROTECTION 0x81
+
+#define FLASH_MAN_CFI 0x01000000
+
+typedef union {
+ unsigned char c;
+ unsigned short w;
+ unsigned long l;
+} cfiword_t;
+
+typedef union {
+ unsigned char *cp;
+ unsigned short *wp;
+ unsigned long *lp;
+} cfiptr_t;
+
+#define NUM_ERASE_REGIONS 4
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+
+static void flash_add_byte(flash_info_t * info, cfiword_t * cword, uchar c);
+static void flash_make_cmd(flash_info_t * info, uchar cmd, void *cmdbuf);
+static void flash_write_cmd(flash_info_t * info, int sect, uchar offset,
+ uchar cmd);
+static int flash_isequal(flash_info_t * info, int sect, uchar offset,
+ uchar cmd);
+static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd);
+static int flash_detect_cfi(flash_info_t * info);
+static ulong flash_get_size(ulong base, int banknum);
+static int flash_write_cfiword(flash_info_t * info, ulong dest,
+ cfiword_t cword);
+static int flash_full_status_check(flash_info_t * info, ulong sector,
+ ulong tout, char *prompt);
+#ifdef CFG_FLASH_USE_BUFFER_WRITE
+static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp,
+ int len);
+#endif
+/*-----------------------------------------------------------------------
+ * create an address based on the offset and the port width
+ */
+inline uchar *flash_make_addr(flash_info_t * info, int sect, int offset)
+{
+ return ((uchar *) (info->start[sect] + (offset * info->portwidth)));
+}
+
+/*-----------------------------------------------------------------------
+ * read a character at a port width address
+ */
+inline uchar flash_read_uchar(flash_info_t * info, uchar offset)
+{
+ uchar *cp;
+ cp = flash_make_addr(info, 0, offset);
+ return (cp[info->portwidth - 1]);
+}
+
+/*-----------------------------------------------------------------------
+ * read a short word by swapping for ppc format.
+ */
+ushort flash_read_ushort(flash_info_t * info, int sect, uchar offset)
+{
+ uchar *addr;
+
+ addr = flash_make_addr(info, sect, offset);
+ return ((addr[(2 * info->portwidth) - 1] << 8) |
+ addr[info->portwidth - 1]);
+
+}
+
+/*-----------------------------------------------------------------------
+ * read a long word by picking the least significant byte of each maiximum
+ * port size word. Swap for ppc format.
+ */
+ulong flash_read_long(flash_info_t * info, int sect, uchar offset)
+{
+ uchar *addr;
+
+ addr = flash_make_addr(info, sect, offset);
+ return ((addr[(2 * info->portwidth) - 1] << 24) |
+ (addr[(info->portwidth) - 1] << 16) |
+ (addr[(4 * info->portwidth) - 1] << 8) |
+ addr[(3 * info->portwidth) - 1]);
+
+}
+
+/*-----------------------------------------------------------------------
+ */
+unsigned long flash_init(void)
+{
+ unsigned long size;
+ int i;
+ unsigned long address;
+
+ /* The flash is positioned back to back, with the demultiplexing of the chip
+ * based on the A24 address line.
+ *
+ */
+
+ address = CFG_FLASH_BASE;
+ size = 0;
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ size += flash_info[i].size = flash_get_size(address, i);
+ address += CFG_FLASH_INCREMENT;
+ if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+ printf
+ ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
+ i, flash_info[0].size, flash_info[i].size << 20);
+ }
+ }
+
+#if 0 /* test-only */
+ /* Monitor protection ON by default */
+#if (CFG_MONITOR_BASE >= CFG_FLASH_BASE)
+ for (i = 0;
+ flash_info[0].start[i] < CFG_MONITOR_BASE + monitor_flash_len - 1;
+ i++)
+ (void)flash_real_protect(&flash_info[0], i, 1);
+#endif
+#endif
+
+ return (size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+int flash_erase(flash_info_t * info, int s_first, int s_last)
+{
+ int rcode = 0;
+ int prot;
+ int sect;
+
+ if (info->flash_id != FLASH_MAN_CFI) {
+ printf("Can't erase unknown flash type - aborted\n");
+ return 1;
+ }
+ if ((s_first < 0) || (s_first > s_last)) {
+ printf("- no sectors to erase\n");
+ return 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");
+ }
+
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ flash_write_cmd(info, sect, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sect, 0, FLASH_CMD_BLOCK_ERASE);
+ flash_write_cmd(info, sect, 0, FLASH_CMD_ERASE_CONFIRM);
+
+ if (flash_full_status_check
+ (info, sect, info->erase_blk_tout, "erase")) {
+ rcode = 1;
+ } else
+ printf(".");
+ }
+ }
+ printf(" done\n");
+ return rcode;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info(flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id != FLASH_MAN_CFI) {
+ printf("missing or unknown FLASH type\n");
+ return;
+ }
+
+ printf("CFI conformant FLASH (%d x %d)",
+ (info->portwidth << 3), (info->chipwidth << 3));
+ printf(" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+ printf
+ (" Erase timeout %ld ms, write timeout %ld ms, buffer write timeout %ld ms, buffer size %d\n",
+ info->erase_blk_tout, info->write_tout, info->buffer_write_tout,
+ info->buffer_size);
+
+ printf(" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf("\n");
+ printf(" %08lX%5s",
+ info->start[i], info->protect[i] ? " (RO)" : " ");
+ }
+ printf("\n");
+ return;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong wp;
+ ulong cp;
+ int aln;
+ cfiword_t cword;
+ int i, rc;
+
+ /* get lower aligned address */
+ wp = (addr & ~(info->portwidth - 1));
+
+ /* handle unaligned start */
+ if ((aln = addr - wp) != 0) {
+ cword.l = 0;
+ cp = wp;
+ for (i = 0; i < aln; ++i, ++cp)
+ flash_add_byte(info, &cword, (*(uchar *) cp));
+
+ for (; (i < info->portwidth) && (cnt > 0); i++) {
+ flash_add_byte(info, &cword, *src++);
+ cnt--;
+ cp++;
+ }
+ for (; (cnt == 0) && (i < info->portwidth); ++i, ++cp)
+ flash_add_byte(info, &cword, (*(uchar *) cp));
+ if ((rc = flash_write_cfiword(info, wp, cword)) != 0)
+ return rc;
+ wp = cp;
+ }
+#ifdef CFG_FLASH_USE_BUFFER_WRITE
+ while (cnt >= info->portwidth) {
+ i = info->buffer_size > cnt ? cnt : info->buffer_size;
+ if ((rc = flash_write_cfibuffer(info, wp, src, i)) != ERR_OK)
+ return rc;
+ wp += i;
+ src += i;
+ cnt -= i;
+ }
+#else
+ /* handle the aligned part */
+ while (cnt >= info->portwidth) {
+ cword.l = 0;
+ for (i = 0; i < info->portwidth; i++) {
+ flash_add_byte(info, &cword, *src++);
+ }
+ if ((rc = flash_write_cfiword(info, wp, cword)) != 0)
+ return rc;
+ wp += info->portwidth;
+ cnt -= info->portwidth;
+ }
+#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ cword.l = 0;
+ for (i = 0, cp = wp; (i < info->portwidth) && (cnt > 0); ++i, ++cp) {
+ flash_add_byte(info, &cword, *src++);
+ --cnt;
+ }
+ for (; i < info->portwidth; ++i, ++cp) {
+ flash_add_byte(info, &cword, (*(uchar *) cp));
+ }
+
+ return flash_write_cfiword(info, wp, cword);
+}
+
+/*-----------------------------------------------------------------------
+ */
+int flash_real_protect(flash_info_t * info, long sector, int prot)
+{
+ int retcode = 0;
+
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT);
+ if (prot)
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_SET);
+ else
+ flash_write_cmd(info, sector, 0, FLASH_CMD_PROTECT_CLEAR);
+
+ if ((retcode =
+ flash_full_status_check(info, sector, info->erase_blk_tout,
+ prot ? "protect" : "unprotect")) == 0) {
+
+ info->protect[sector] = prot;
+ /* Intel's unprotect unprotects all locking */
+ if (prot == 0) {
+ int i;
+ for (i = 0; i < info->sector_count; i++) {
+ if (info->protect[i])
+ flash_real_protect(info, i, 1);
+ }
+ }
+ }
+
+ return retcode;
+}
+
+/*-----------------------------------------------------------------------
+ * wait for XSR.7 to be set. Time out with an error if it does not.
+ * This routine does not set the flash to read-array mode.
+ */
+static int flash_status_check(flash_info_t * info, ulong sector, ulong tout,
+ char *prompt)
+{
+ ulong start;
+
+ /* Wait for command completion */
+ start = get_timer(0);
+ while (!flash_isset(info, sector, 0, FLASH_STATUS_DONE)) {
+ if (get_timer(start) > info->erase_blk_tout) {
+ printf("Flash %s timeout at address %lx\n", prompt,
+ info->start[sector]);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_RESET);
+ return ERR_TIMOUT;
+ }
+ }
+ return ERR_OK;
+}
+
+/*-----------------------------------------------------------------------
+ * Wait for XSR.7 to be set, if it times out print an error, otherwise do a full status check.
+ * This routine sets the flash to read-array mode.
+ */
+static int flash_full_status_check(flash_info_t * info, ulong sector,
+ ulong tout, char *prompt)
+{
+ int retcode;
+ retcode = flash_status_check(info, sector, tout, prompt);
+ if ((retcode == ERR_OK)
+ && !flash_isequal(info, sector, 0, FLASH_STATUS_DONE)) {
+ retcode = ERR_INVAL;
+ printf("Flash %s error at address %lx\n", prompt,
+ info->start[sector]);
+ if (flash_isset
+ (info, sector, 0,
+ FLASH_STATUS_ECLBS | FLASH_STATUS_PSLBS)) {
+ printf("Command Sequence Error.\n");
+ } else if (flash_isset(info, sector, 0, FLASH_STATUS_ECLBS)) {
+ printf("Block Erase Error.\n");
+ retcode = ERR_NOT_ERASED;
+ } else if (flash_isset(info, sector, 0, FLASH_STATUS_PSLBS)) {
+ printf("Locking Error\n");
+ }
+ if (flash_isset(info, sector, 0, FLASH_STATUS_DPS)) {
+ printf("Block locked.\n");
+ retcode = ERR_PROTECTED;
+ }
+ if (flash_isset(info, sector, 0, FLASH_STATUS_VPENS))
+ printf("Vpp Low Error.\n");
+ }
+ flash_write_cmd(info, sector, 0, FLASH_CMD_RESET);
+ return retcode;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_add_byte(flash_info_t * info, cfiword_t * cword, uchar c)
+{
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ cword->c = c;
+ break;
+ case FLASH_CFI_16BIT:
+ cword->w = (cword->w << 8) | c;
+ break;
+ case FLASH_CFI_32BIT:
+ cword->l = (cword->l << 8) | c;
+ }
+}
+
+/*-----------------------------------------------------------------------
+ * make a proper sized command based on the port and chip widths
+ */
+static void flash_make_cmd(flash_info_t * info, uchar cmd, void *cmdbuf)
+{
+ int i;
+ uchar *cp = (uchar *) cmdbuf;
+ for (i = 0; i < info->portwidth; i++)
+ *cp++ = ((i + 1) % info->chipwidth) ? '\0' : cmd;
+}
+
+/*
+ * Write a proper sized command to the correct address
+ */
+static void flash_write_cmd(flash_info_t * info, int sect, uchar offset,
+ uchar cmd)
+{
+
+ volatile cfiptr_t addr;
+ cfiword_t cword;
+ addr.cp = flash_make_addr(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ *addr.cp = cword.c;
+ break;
+ case FLASH_CFI_16BIT:
+ *addr.wp = cword.w;
+ break;
+ case FLASH_CFI_32BIT:
+ *addr.lp = cword.l;
+ break;
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+static int flash_isequal(flash_info_t * info, int sect, uchar offset, uchar cmd)
+{
+ cfiptr_t cptr;
+ cfiword_t cword;
+ int retval;
+ cptr.cp = flash_make_addr(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ retval = (cptr.cp[0] == cword.c);
+ break;
+ case FLASH_CFI_16BIT:
+ retval = (cptr.wp[0] == cword.w);
+ break;
+ case FLASH_CFI_32BIT:
+ retval = (cptr.lp[0] == cword.l);
+ break;
+ default:
+ retval = 0;
+ break;
+ }
+ return retval;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static int flash_isset(flash_info_t * info, int sect, uchar offset, uchar cmd)
+{
+ cfiptr_t cptr;
+ cfiword_t cword;
+ int retval;
+ cptr.cp = flash_make_addr(info, sect, offset);
+ flash_make_cmd(info, cmd, &cword);
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ retval = ((cptr.cp[0] & cword.c) == cword.c);
+ break;
+ case FLASH_CFI_16BIT:
+ retval = ((cptr.wp[0] & cword.w) == cword.w);
+ break;
+ case FLASH_CFI_32BIT:
+ retval = ((cptr.lp[0] & cword.l) == cword.l);
+ break;
+ default:
+ retval = 0;
+ break;
+ }
+ return retval;
+}
+
+/*-----------------------------------------------------------------------
+ * detect if flash is compatible with the Common Flash Interface (CFI)
+ * http://www.jedec.org/download/search/jesd68.pdf
+ *
+ */
+static int flash_detect_cfi(flash_info_t * info)
+{
+
+ for (info->portwidth = FLASH_CFI_8BIT;
+ info->portwidth <= FLASH_CFI_32BIT; info->portwidth <<= 1) {
+ for (info->chipwidth = FLASH_CFI_BY8;
+ info->chipwidth <= info->portwidth;
+ info->chipwidth <<= 1) {
+ flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
+ flash_write_cmd(info, 0, FLASH_OFFSET_CFI,
+ FLASH_CMD_CFI);
+ if (flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP, 'Q')
+ && flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 1,
+ 'R')
+ && flash_isequal(info, 0, FLASH_OFFSET_CFI_RESP + 2,
+ 'Y'))
+ return 1;
+ }
+ }
+ return 0;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ *
+ */
+static ulong flash_get_size(ulong base, int banknum)
+{
+ flash_info_t *info = &flash_info[banknum];
+ int i, j;
+ int sect_cnt;
+ unsigned long sector;
+ unsigned long tmp;
+ int size_ratio = 0;
+ uchar num_erase_regions;
+ int erase_region_size;
+ int erase_region_count;
+
+ info->start[0] = base;
+#if 0
+ invalidate_dcache_range(base, base + 0x400);
+#endif
+ if (flash_detect_cfi(info)) {
+
+ size_ratio = info->portwidth / info->chipwidth;
+ num_erase_regions =
+ flash_read_uchar(info, FLASH_OFFSET_NUM_ERASE_REGIONS);
+
+ sect_cnt = 0;
+ sector = base;
+ for (i = 0; i < num_erase_regions; i++) {
+ if (i > NUM_ERASE_REGIONS) {
+ printf("%d erase regions found, only %d used\n",
+ num_erase_regions, NUM_ERASE_REGIONS);
+ break;
+ }
+ tmp =
+ flash_read_long(info, 0,
+ FLASH_OFFSET_ERASE_REGIONS);
+ erase_region_size =
+ (tmp & 0xffff) ? ((tmp & 0xffff) * 256) : 128;
+ tmp >>= 16;
+ erase_region_count = (tmp & 0xffff) + 1;
+ for (j = 0; j < erase_region_count; j++) {
+ info->start[sect_cnt] = sector;
+ sector += (erase_region_size * size_ratio);
+ info->protect[sect_cnt] =
+ flash_isset(info, sect_cnt,
+ FLASH_OFFSET_PROTECT,
+ FLASH_STATUS_PROTECT);
+ sect_cnt++;
+ }
+ }
+
+ info->sector_count = sect_cnt;
+ /* multiply the size by the number of chips */
+ info->size =
+ (1 << flash_read_uchar(info, FLASH_OFFSET_SIZE)) *
+ size_ratio;
+ info->buffer_size =
+ (1 << flash_read_ushort(info, 0, FLASH_OFFSET_BUFFER_SIZE));
+ tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_ETOUT);
+ info->erase_blk_tout =
+ (tmp *
+ (1 << flash_read_uchar(info, FLASH_OFFSET_EMAX_TOUT)));
+ tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WBTOUT);
+ info->buffer_write_tout =
+ (tmp *
+ (1 << flash_read_uchar(info, FLASH_OFFSET_WBMAX_TOUT)));
+ tmp = 1 << flash_read_uchar(info, FLASH_OFFSET_WTOUT);
+ info->write_tout =
+ (tmp *
+ (1 << flash_read_uchar(info, FLASH_OFFSET_WMAX_TOUT))) /
+ 1000;
+ info->flash_id = FLASH_MAN_CFI;
+ }
+
+ flash_write_cmd(info, 0, 0, FLASH_CMD_RESET);
+#ifdef DEBUG_FLASH
+ printf("portwidth=%d chipwidth=%d\n", info->portwidth, info->chipwidth); /* test-only */
+#endif
+#ifdef DEBUG_FLASH
+ printf("found %d erase regions\n", num_erase_regions);
+#endif
+#ifdef DEBUG_FLASH
+ printf("size=%08x sectors=%08x \n", info->size, info->sector_count);
+#endif
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+static int flash_write_cfiword(flash_info_t * info, ulong dest, cfiword_t cword)
+{
+
+ cfiptr_t ctladdr;
+ cfiptr_t cptr;
+ int flag;
+
+ ctladdr.cp = flash_make_addr(info, 0, 0);
+ cptr.cp = (uchar *) dest;
+
+ /* Check if Flash is (sufficiently) erased */
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ flag = ((cptr.cp[0] & cword.c) == cword.c);
+ break;
+ case FLASH_CFI_16BIT:
+ flag = ((cptr.wp[0] & cword.w) == cword.w);
+ break;
+ case FLASH_CFI_32BIT:
+ flag = ((cptr.lp[0] & cword.l) == cword.l);
+ break;
+ default:
+ return 2;
+ }
+ if (!flag)
+ return 2;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ flash_write_cmd(info, 0, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, 0, 0, FLASH_CMD_WRITE);
+
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ cptr.cp[0] = cword.c;
+ break;
+ case FLASH_CFI_16BIT:
+ cptr.wp[0] = cword.w;
+ break;
+ case FLASH_CFI_32BIT:
+ cptr.lp[0] = cword.l;
+ break;
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ return flash_full_status_check(info, 0, info->write_tout, "write");
+}
+
+#ifdef CFG_FLASH_USE_BUFFER_WRITE
+
+/* loop through the sectors from the highest address
+ * when the passed address is greater or equal to the sector address
+ * we have a match
+ */
+static int find_sector(flash_info_t * info, ulong addr)
+{
+ int sector;
+ for (sector = info->sector_count - 1; sector >= 0; sector--) {
+ if (addr >= info->start[sector])
+ break;
+ }
+ return sector;
+}
+
+static int flash_write_cfibuffer(flash_info_t * info, ulong dest, uchar * cp,
+ int len)
+{
+
+ int sector;
+ int cnt;
+ int retcode;
+ volatile cfiptr_t src;
+ volatile cfiptr_t dst;
+
+ src.cp = cp;
+ dst.cp = (uchar *) dest;
+ sector = find_sector(info, dest);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ flash_write_cmd(info, sector, 0, FLASH_CMD_WRITE_TO_BUFFER);
+ if ((retcode = flash_status_check(info, sector, info->buffer_write_tout,
+ "write to buffer")) == ERR_OK) {
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ cnt = len;
+ break;
+ case FLASH_CFI_16BIT:
+ cnt = len >> 1;
+ break;
+ case FLASH_CFI_32BIT:
+ cnt = len >> 2;
+ break;
+ default:
+ return ERR_INVAL;
+ break;
+ }
+ flash_write_cmd(info, sector, 0, (uchar) cnt - 1);
+ while (cnt-- > 0) {
+ switch (info->portwidth) {
+ case FLASH_CFI_8BIT:
+ *dst.cp++ = *src.cp++;
+ break;
+ case FLASH_CFI_16BIT:
+ *dst.wp++ = *src.wp++;
+ break;
+ case FLASH_CFI_32BIT:
+ *dst.lp++ = *src.lp++;
+ break;
+ default:
+ return ERR_INVAL;
+ break;
+ }
+ }
+ flash_write_cmd(info, sector, 0,
+ FLASH_CMD_WRITE_BUFFER_CONFIRM);
+ retcode =
+ flash_full_status_check(info, sector,
+ info->buffer_write_tout,
+ "buffer write");
+ }
+ flash_write_cmd(info, sector, 0, FLASH_CMD_CLEAR_STATUS);
+ return retcode;
+}
+#endif /* CFG_USE_FLASH_BUFFER_WRITE */
diff --git a/board/esd/cpci5200/u-boot.lds b/board/esd/cpci5200/u-boot.lds
new file mode 100644
index 0000000..d999dd1
--- /dev/null
+++ b/board/esd/cpci5200/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2003
+ * 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/mpc5xxx/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 = .);
+}
diff --git a/board/esd/pf5200/Makefile b/board/esd/pf5200/Makefile
new file mode 100644
index 0000000..603bbe2
--- /dev/null
+++ b/board/esd/pf5200/Makefile
@@ -0,0 +1,53 @@
+
+#
+# (C) Copyright 2003
+# 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
+
+# Objects for Xilinx JTAG programming (CPLD)
+# CPLD = ../common/xilinx_jtag/lenval.o \
+# ../common/xilinx_jtag/micro.o \
+# ../common/xilinx_jtag/ports.o
+
+# OBJS = $(BOARD).o flash.o $(CPLD)
+OBJS = $(BOARD).o flash.o
+
+$(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/esd/pf5200/config.mk b/board/esd/pf5200/config.mk
new file mode 100644
index 0000000..07b5de1
--- /dev/null
+++ b/board/esd/pf5200/config.mk
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2003
+# 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
+#
+
+#
+# IceCube board:
+#
+# Valid values for TEXT_BASE are:
+#
+# 0xFFF00000 boot high (standard configuration)
+# 0xFF000000 boot low for 16 MiB boards
+# 0xFF800000 boot low for 8 MiB boards
+# 0x00100000 boot from RAM (for testing only)
+#
+
+sinclude $(TOPDIR)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+## Standard: boot high
+TEXT_BASE = 0xFFF00000
+## For testing: boot from RAM
+# TEXT_BASE = 0x00100000
+endif
+
+PLATFORM_CPPFLAGS += -DTEXT_BASE=$(TEXT_BASE) -I$(TOPDIR)/board
diff --git a/board/esd/pf5200/flash.c b/board/esd/pf5200/flash.c
new file mode 100644
index 0000000..bfbd090
--- /dev/null
+++ b/board/esd/pf5200/flash.c
@@ -0,0 +1,461 @@
+/*
+ * (C) Copyright 2003
+ * 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>
+
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+typedef unsigned short FLASH_PORT_WIDTH;
+typedef volatile unsigned short FLASH_PORT_WIDTHV;
+
+#define FLASH_ID_MASK 0x00FF
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define FLASH_CYCLE1 0x0555
+#define FLASH_CYCLE2 0x0aaa
+#define FLASH_ID1 0x00
+#define FLASH_ID2 0x01
+#define FLASH_ID3 0x0E
+#define FLASH_ID4 0x0F
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size(FPWV * addr, flash_info_t * info);
+static void flash_reset(flash_info_t * info);
+static int write_word_amd(flash_info_t * info, FPWV * dest, FPW data);
+static flash_info_t *flash_get_info(ulong base);
+
+/*-----------------------------------------------------------------------
+ * flash_init()
+ *
+ * sets up flash_info and returns size of FLASH (bytes)
+ */
+unsigned long flash_init(void)
+{
+ unsigned long size = 0;
+ int i = 0;
+ extern void flash_preinit(void);
+ extern void flash_afterinit(uint, ulong, ulong);
+
+ ulong flashbase = CFG_FLASH_BASE;
+
+ flash_preinit();
+
+ /* There is only ONE FLASH device */
+ memset(&flash_info[i], 0, sizeof(flash_info_t));
+ flash_info[i].size = flash_get_size((FPW *) flashbase, &flash_info[i]);
+ size += flash_info[i].size;
+
+#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET, CFG_MONITOR_BASE,
+ CFG_MONITOR_BASE + monitor_flash_len - 1,
+ flash_get_info(CFG_MONITOR_BASE));
+#endif
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET, CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ flash_get_info(CFG_ENV_ADDR));
+#endif
+
+ flash_afterinit(i, flash_info[i].start[0], flash_info[i].size);
+ return size ? size : 1;
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_reset(flash_info_t * info) {
+ FPWV *base = (FPWV *) (info->start[0]);
+
+ /* Put FLASH back in read mode */
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ *base = (FPW) 0x00FF00FF; /* Intel Read Mode */
+ } else if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_AMD) {
+ *base = (FPW) 0x00F000F0; /* AMD Read Mode */
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+static flash_info_t *flash_get_info(ulong base) {
+ int i;
+ flash_info_t *info;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ info = &flash_info[i];
+ if ((info->size) && (info->start[0] <= base)
+ && (base <= info->start[0] + info->size - 1)) {
+ break;
+ }
+ }
+ return (i == CFG_MAX_FLASH_BANKS ? 0 : info);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+void flash_print_info(flash_info_t * info) {
+ int i;
+ uchar *fmt;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ printf("AMD ");
+ break;
+ default:
+ printf("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AMLV256U:
+ fmt = "29LV256M (256 Mbit)\n";
+ break;
+ default:
+ fmt = "Unknown Chip Type\n";
+ break;
+ }
+
+ printf(fmt);
+ 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) {
+ ulong size;
+ int erased;
+ ulong *flash = (unsigned long *)info->start[i];
+
+ if ((i % 5) == 0) {
+ printf("\n ");
+ }
+
+ /*
+ * Check if whole sector is erased
+ */
+ size =
+ (i !=
+ (info->sector_count - 1)) ? (info->start[i + 1] -
+ info->start[i]) >> 2 : (info->
+ start
+ [0] +
+ info->
+ size -
+ info->
+ start
+ [i])
+ >> 2;
+
+ for (flash = (unsigned long *)info->start[i], erased = 1;
+ (flash != (unsigned long *)info->start[i] + size)
+ && erased; flash++) {
+ erased = *flash == ~0x0UL;
+ }
+ printf(" %08lX %s %s", info->start[i], erased ? "E" : " ",
+ info->protect[i] ? "(RO)" : " ");
+ }
+
+ printf("\n");
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+ulong flash_get_size(FPWV * addr, flash_info_t * info) {
+ int i;
+
+ /* 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 */
+ addr[FLASH_CYCLE2] = (FPW) 0x00550055; /* for AMD, Intel ignores this */
+ addr[FLASH_CYCLE1] = (FPW) 0x00900090; /* selects Intel or AMD */
+
+ /* The manufacturer codes are only 1 byte, so just use 1 byte. */
+ /* This works for any bus width and any FLASH device width. */
+ udelay(100);
+ switch (addr[FLASH_ID1] & 0x00ff) {
+ case (uchar) AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ default:
+ printf("unknown vendor=%x ", addr[FLASH_ID1] & 0xff);
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ break;
+ }
+
+ /* Check 16 bits or 32 bits of ID so work on 32 or 16 bit bus. */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ switch ((FPW) addr[FLASH_ID2]) {
+ case (FPW) AMD_ID_MIRROR:
+ /* MIRROR BIT FLASH, read more ID bytes */
+ if ((FPW) addr[FLASH_ID3] == (FPW) AMD_ID_LV256U_2
+ && (FPW) addr[FLASH_ID4] == (FPW) AMD_ID_LV256U_3) {
+ /* attention: only the first 16 MB will be used in u-boot */
+ info->flash_id += FLASH_AMLV256U;
+ info->sector_count = 512;
+ info->size = 0x02000000;
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] =
+ (ulong) addr + 0x10000 * i;
+ }
+ break;
+ }
+ /* fall thru to here ! */
+ default:
+ printf("unknown AMD device=%x %x %x",
+ (FPW) addr[FLASH_ID2], (FPW) addr[FLASH_ID3],
+ (FPW) addr[FLASH_ID4]);
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0x800000;
+ break;
+ }
+
+ /* Put FLASH back in read mode */
+ flash_reset(info);
+ }
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase(flash_info_t * info, int s_first, int s_last) {
+ FPWV *addr;
+ int flag, prot, sect;
+ int intel = (info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL;
+ ulong start, now, last;
+ int rcode = 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;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AMLV256U:
+ break;
+ case FLASH_UNKNOWN:
+ default:
+ printf("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 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");
+ }
+
+ last = get_timer(0);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last && rcode == 0; sect++) {
+ if (info->protect[sect] != 0) { /* protected, skip it */
+ continue;
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr = (FPWV *) (info->start[sect]);
+ if (intel) {
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+ } else {
+ /* must be AMD style if not Intel */
+ FPWV *base; /* first address in bank */
+
+ base = (FPWV *) (info->start[0]);
+ 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 */
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag) {
+ enable_interrupts();
+ }
+ start = get_timer(0);
+
+ /* wait at least 50us for AMD, 80us for Intel. */
+ /* Let's wait 1 ms. */
+ udelay(1000);
+
+ while ((*addr & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ if (intel) {
+ /* suspend erase */
+ *addr = (FPW) 0x00B000B0;
+ }
+ flash_reset(info); /* reset to read mode */
+ rcode = 1; /* failed */
+ break;
+ }
+ /* show that we're waiting */
+ if ((get_timer(last)) > CFG_HZ) {
+ /* every second */
+ putc('.');
+ last = get_timer(0);
+ }
+ }
+ /* show that we're waiting */
+ if ((get_timer(last)) > CFG_HZ) {
+ /* every second */
+ putc('.');
+ last = get_timer(0);
+ }
+ flash_reset(info); /* reset to read mode */
+ }
+ printf(" done\n");
+ return (rcode);
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff(flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ FPW data = 0; /* 16 or 32 bit word, matches flash bus width on MPC8XX */
+ 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++;
+ }
+
+ /* write one word to the flash */
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ res = write_word_amd(info, (FPWV *) addr, data);
+ break;
+ default:
+ /* unknown flash type, error! */
+ printf("missing or unknown FLASH type\n");
+ res = 1; /* not really a timeout, but gives error */
+ break;
+ }
+ }
+ return (res);
+}
+
+/*-----------------------------------------------------------------------
+ * 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 *) (info->start[0]);
+
+ /* 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);
+}
diff --git a/board/esd/pf5200/mt46v16m16-75.h b/board/esd/pf5200/mt46v16m16-75.h
new file mode 100644
index 0000000..22d0a55
--- /dev/null
+++ b/board/esd/pf5200/mt46v16m16-75.h
@@ -0,0 +1,37 @@
+/*
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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
+ */
+
+#define SDRAM_DDR 1 /* is DDR */
+
+#if defined(CONFIG_MPC5200)
+/* Settings for XLB = 132 MHz */
+#define SDRAM_MODE 0x018D0000
+#define SDRAM_EMODE 0x40090000
+#define SDRAM_CONTROL 0x705f0f00
+#define SDRAM_CONFIG1 0x73722930
+#define SDRAM_CONFIG2 0x47770000
+#define SDRAM_TAPDELAY 0x10000000
+
+#else
+#error CONFIG_MPC5200 not defined
+#endif
diff --git a/board/esd/pf5200/pf5200.c b/board/esd/pf5200/pf5200.c
new file mode 100644
index 0000000..fa71c79
--- /dev/null
+++ b/board/esd/pf5200/pf5200.c
@@ -0,0 +1,370 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004
+ * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.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
+ */
+
+/*
+ * pf5200.c - main board support/init for the esd pf5200.
+ */
+
+#include <common.h>
+#include <mpc5xxx.h>
+#include <pci.h>
+#include <command.h>
+
+#include "mt46v16m16-75.h"
+
+void init_power_switch(void);
+
+static void sdram_start(int hi_addr)
+{
+ long hi_addr_bit = hi_addr ? 0x01000000 : 0;
+
+ /* unlock mode register */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000000 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* set mode register: extended mode */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE;
+ __asm__ volatile ("sync");
+
+ /* set mode register: reset DLL */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000;
+ __asm__ volatile ("sync");
+
+ /* precharge all banks */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000002 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* auto refresh */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL =
+ SDRAM_CONTROL | 0x80000004 | hi_addr_bit;
+ __asm__ volatile ("sync");
+
+ /* set mode register */
+ *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE;
+ __asm__ volatile ("sync");
+
+ /* normal operation */
+ *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
+ __asm__ volatile ("sync");
+}
+
+/*
+ * ATTENTION: Although partially referenced initdram does NOT make real use
+ * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ * is something else than 0x00000000.
+ */
+
+long int initdram(int board_type)
+{
+ ulong dramsize = 0;
+ ulong test1, test2;
+
+ /* setup SDRAM chip selects */
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */
+ __asm__ volatile ("sync");
+
+ /* setup config registers */
+ *(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
+ *(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
+ __asm__ volatile ("sync");
+
+ /* set tap delay */
+ *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY;
+ __asm__ volatile ("sync");
+
+ /* find RAM size using SDRAM CS0 only */
+ sdram_start(0);
+ test1 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+ sdram_start(1);
+ test2 = get_ram_size((ulong *) CFG_SDRAM_BASE, 0x80000000);
+
+ if (test1 > test2) {
+ sdram_start(0);
+ dramsize = test1;
+ } else {
+ dramsize = test2;
+ }
+
+ /* memory smaller than 1MB is impossible */
+ if (dramsize < (1 << 20)) {
+ dramsize = 0;
+ }
+
+ /* set SDRAM CS0 size according to the amount of RAM found */
+ if (dramsize > 0) {
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+ 0x13 + __builtin_ffs(dramsize >> 20) - 1;
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
+ } else {
+#if 0
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e; /* 2G */
+#else
+ *(vu_long *) MPC5XXX_SDRAM_CS0CFG =
+ 0x13 + __builtin_ffs(0x08000000 >> 20) - 1;
+ /* let SDRAM CS1 start right after CS0 */
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x08000000 + 0x0000001e; /* 2G */
+#endif
+ }
+
+#if 0
+ /* find RAM size using SDRAM CS1 only */
+ sdram_start(0);
+ get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+ sdram_start(1);
+ get_ram_size((ulong *) (CFG_SDRAM_BASE + dramsize), 0x80000000);
+ sdram_start(0);
+#endif
+ /* set SDRAM CS1 size according to the amount of RAM found */
+
+ *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
+
+ init_power_switch();
+ return (dramsize);
+}
+
+int checkboard(void)
+{
+ puts("Board: esd ParaFinder (pf5200)\n");
+ return 0;
+}
+
+void flash_preinit(void)
+{
+ /*
+ * Now, when we are in RAM, enable flash write
+ * access for detection process.
+ * Note that CS_BOOT cannot be cleared when
+ * executing in flash.
+ */
+ *(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
+}
+
+void flash_afterinit(ulong size)
+{
+ if (size == 0x02000000) {
+ /* adjust mapping */
+ *(vu_long *) MPC5XXX_BOOTCS_START =
+ *(vu_long *) MPC5XXX_CS0_START =
+ START_REG(CFG_BOOTCS_START | size);
+ *(vu_long *) MPC5XXX_BOOTCS_STOP =
+ *(vu_long *) MPC5XXX_CS0_STOP =
+ STOP_REG(CFG_BOOTCS_START | size, size);
+ }
+}
+
+#ifdef CONFIG_PCI
+static struct pci_controller hose;
+
+extern void pci_mpc5xxx_init(struct pci_controller *);
+
+void pci_init_board(void
+ ) {
+ pci_mpc5xxx_init(&hose);
+}
+#endif
+
+#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET)
+
+#define GPIO_PSC1_4 0x01000000UL
+
+void init_ide_reset(void)
+{
+ debug("init_ide_reset\n");
+
+ /* Configure PSC1_4 as GPIO output for ATA reset */
+ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
+}
+
+void ide_set_reset(int idereset)
+{
+ debug("ide_reset(%d)\n", idereset);
+
+ if (idereset) {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
+ } else {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+ }
+}
+#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */
+
+#define MPC5XXX_SIMPLEIO_GPIO_ENABLE (MPC5XXX_GPIO + 0x0004)
+#define MPC5XXX_SIMPLEIO_GPIO_DIR (MPC5XXX_GPIO + 0x000C)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x0010)
+#define MPC5XXX_SIMPLEIO_GPIO_DATA_INPUT (MPC5XXX_GPIO + 0x0014)
+
+#define MPC5XXX_INTERRUPT_GPIO_ENABLE (MPC5XXX_GPIO + 0x0020)
+#define MPC5XXX_INTERRUPT_GPIO_DIR (MPC5XXX_GPIO + 0x0028)
+#define MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT (MPC5XXX_GPIO + 0x002C)
+#define MPC5XXX_INTERRUPT_GPIO_STATUS (MPC5XXX_GPIO + 0x003C)
+
+#define GPIO_WU6 0x40000000UL
+#define GPIO_USB0 0x00010000UL
+#define GPIO_USB9 0x08000000UL
+#define GPIO_USB9S 0x00080000UL
+
+void init_power_switch(void)
+{
+ debug("init_power_switch\n");
+
+ /* Configure GPIO_WU6 as GPIO output for ATA reset */
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_WU6;
+ *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WU6;
+ *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_WU6;
+ __asm__ volatile ("sync");
+
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT &= ~GPIO_USB0;
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_ENABLE |= GPIO_USB0;
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DIR |= GPIO_USB0;
+ __asm__ volatile ("sync");
+
+ *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
+ *(vu_long *) MPC5XXX_INTERRUPT_GPIO_ENABLE &= ~GPIO_USB9;
+ __asm__ volatile ("sync");
+
+ if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) == 0) {
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |= GPIO_USB0;
+ __asm__ volatile ("sync");
+ }
+ *(vu_char *) CFG_CS1_START = 0x02; /* Red Power LED on */
+ __asm__ volatile ("sync");
+
+ *(vu_char *) (CFG_CS1_START + 1) = 0x02; /* Disable driver for KB11 */
+ __asm__ volatile ("sync");
+}
+
+void power_set_reset(int power)
+{
+ debug("ide_set_reset(%d)\n", power);
+
+ if (power) {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_WU6;
+ *(vu_long *) MPC5XXX_INTERRUPT_GPIO_DATA_OUTPUT &= ~GPIO_USB9;
+ } else {
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_WU6;
+ if ((*(vu_long *) MPC5XXX_INTERRUPT_GPIO_STATUS & GPIO_USB9S) ==
+ 0) {
+ *(vu_long *) MPC5XXX_SIMPLEIO_GPIO_DATA_OUTPUT |=
+ GPIO_USB0;
+ }
+
+ }
+}
+
+int do_poweroff(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ power_set_reset(1);
+ return (0);
+}
+
+U_BOOT_CMD(poweroff, 1, 1, do_poweroff, "poweroff- Switch off power\n", NULL);
+
+int phypower(int flag)
+{
+ u32 addr;
+ vu_long *reg;
+ int status;
+ pci_dev_t dev;
+
+ dev = PCI_BDF(0, 0x18, 0);
+ status = pci_read_config_dword(dev, PCI_BASE_ADDRESS_1, &addr);
+ if (status == 0) {
+ reg = (vu_long *) (addr + 0x00000040);
+ *reg |= 0x40000000;
+ __asm__ volatile ("sync");
+
+ reg = (vu_long *) (addr + 0x001000c);
+ *reg |= 0x20000000;
+ __asm__ volatile ("sync");
+
+ reg = (vu_long *) (addr + 0x0010004);
+ if (flag != 0) {
+ *reg &= ~0x20000000;
+ } else {
+ *reg |= 0x20000000;
+ }
+ __asm__ volatile ("sync");
+ }
+ return (status);
+}
+
+int do_phypower(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ int status;
+
+ if (argv[1][0] == '0') {
+ status = phypower(0);
+ } else {
+ status = phypower(1);
+ }
+ return (0);
+}
+
+U_BOOT_CMD(phypower, 2, 2, do_phypower,
+ "phypower- Switch power of ethernet phy\n", NULL);
+
+int do_writepci(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned int addr;
+ unsigned int size;
+ int i;
+ volatile unsigned long *ptr;
+
+ addr = simple_strtol(argv[1], NULL, 16);
+ size = simple_strtol(argv[2], NULL, 16);
+
+ printf("\nWriting at addr %08x, size %08x.\n", addr, size);
+
+ while (1) {
+ ptr = (volatile unsigned long *)addr;
+ for (i = 0; i < (size >> 2); i++) {
+ *ptr++ = i;
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+ putc('.');
+ }
+ return 0;
+}
+
+U_BOOT_CMD(writepci, 3, 1, do_writepci,
+ "writepci- Write some data to pcibus\n",
+ "<addr> <size>\n" " - Write some data to pcibus.\n");
diff --git a/board/esd/pf5200/u-boot.lds b/board/esd/pf5200/u-boot.lds
new file mode 100644
index 0000000..d999dd1
--- /dev/null
+++ b/board/esd/pf5200/u-boot.lds
@@ -0,0 +1,122 @@
+/*
+ * (C) Copyright 2003
+ * 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/mpc5xxx/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 = .);
+}
generated by cgit v1.1 at 2024-11-24 16:19:49 +0000