Patches by Kshitij, 04 Jul 2003
- added support for arm925t cpu core
- added support for TI OMAP 1510 Innovator Board
diff --git a/board/omap1510inn/Makefile b/board/omap1510inn/Makefile
new file mode 100644
index 0000000..28996ba
--- /dev/null
+++ b/board/omap1510inn/Makefile
@@ -0,0 +1,47 @@
+#
+# (C) Copyright 2000, 2001, 2002
+# 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 := omap1510innovator.o flash.o
+SOBJS := platform.o
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) crv $@ $^
+
+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/omap1510inn/config.mk b/board/omap1510inn/config.mk
new file mode 100644
index 0000000..c5fd706
--- /dev/null
+++ b/board/omap1510inn/config.mk
@@ -0,0 +1,25 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+#
+# (C) Copyright 2003
+# Texas Instruments, <www.ti.com>
+# Kshitij Gupta <Kshitij@ti.com>
+#
+# TI Innovator board with OMAP1510 (ARM925T) cpu
+# see http://www.ti.com/ for more information on Texas Insturments
+#
+# Innovator has 1 bank of 256 MB SDRAM
+# Physical Address:
+# 1000'0000 to 2000'0000
+#
+#
+# Linux-Kernel is expected to be at 1000'8000, entry 1000'8000 (mem base + reserved)
+#
+# we load ourself to 1100'0000
+#
+#
+
+
+TEXT_BASE = 0x11000000
diff --git a/board/omap1510inn/flash.c b/board/omap1510inn/flash.c
new file mode 100644
index 0000000..6b2739d
--- /dev/null
+++ b/board/omap1510inn/flash.c
@@ -0,0 +1,428 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001
+ * 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>
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/* Board support for 1 or 2 flash devices */
+#undef FLASH_PORT_WIDTH32
+#define FLASH_PORT_WIDTH16
+
+#ifdef FLASH_PORT_WIDTH16
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
+#define SWAP(x) __swab16(x)
+#else
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
+#define SWAP(x) __swab32(x)
+#endif
+
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
+
+#define mb() __asm__ __volatile__ ("" : : : "memory")
+
+/*-----------------------------------------------------------------------
+ * 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 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;
+
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
+ switch (i) {
+ case 0:
+ flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
+ flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
+ break;
+ default:
+ panic ("configured to many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+
+ flash_protect ( FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
+
+ 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_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ info->start[i] = base + (i * PHYS_FLASH_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;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\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)
+{
+ volatile FPW value;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x5555] = (FPW) 0x00AA00AA;
+ addr[0x2AAA] = (FPW) 0x00550055;
+ addr[0x5555] = (FPW) 0x00900090;
+
+ mb ();
+ value = addr[0];
+
+ switch (value) {
+
+ case (FPW) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
+
+ default:
+ 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 */
+ }
+
+ mb ();
+ value = addr[1]; /* device ID */
+ switch (value) {
+
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x02000000;
+ break; /* => 16 MB */
+
+ 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;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* 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;
+
+ 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)) {
+ 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");
+ }
+
+ /*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 */
+ reset_timer_masked ();
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
+
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer_masked () > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+ }
+
+ *addr = (FPW) 0x00500050; /* clear status register cmd. */
+ *addr = (FPW) 0x00FF00FF; /* resest 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)
+{
+ ulong cp, wp;
+ FPW data;
+ int count, i, l, rc, port_width;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return 4;
+ }
+/* get lower word aligned address */
+#ifdef FLASH_PORT_WIDTH16
+ wp = (addr & ~1);
+ port_width = 2;
+#else
+ wp = (addr & ~3);
+ port_width = 4;
+#endif
+
+ /*
+ * 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;
+ }
+
+ /*
+ * 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)));
+}
+
+/*-----------------------------------------------------------------------
+ * 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 status;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*addr & data) != data) {
+ printf ("not erased at %08lx (%x)\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 */
+ reset_timer_masked ();
+
+ /* wait while polling the status register */
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+
+ if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+ return (1);
+ }
+ }
+
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (0);
+}
+
+void inline spin_wheel (void)
+{
+ static int p = 0;
+ static char w[] = "\\/-";
+
+ printf ("\010%c", w[p]);
+ (++p == 3) ? (p = 0) : 0;
+}
diff --git a/board/omap1510inn/omap1510innovator.c b/board/omap1510inn/omap1510innovator.c
new file mode 100644
index 0000000..eba010a
--- /dev/null
+++ b/board/omap1510inn/omap1510innovator.c
@@ -0,0 +1,131 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch>
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.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>
+
+static void flash__init (void);
+static void ether__init (void);
+
+static inline void delay (unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b":"=r" (loops):"0" (loops));
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+
+int board_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* arch number of OMAP 1510-Board */
+ gd->bd->bi_arch_number = 234;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x10000100;
+
+/* kk - this speeds up your boot a quite a bit. However to make it
+ * work, you need make sure your kernel startup flush bug is fixed.
+ * ... rkw ...
+ */
+ icache_enable ();
+
+ flash__init ();
+ ether__init ();
+ return 0;
+}
+
+
+int misc_init_r (void)
+{
+ /* volatile ushort *gdir = (ushort *) (GPIO_DIR_CONTROL_REG); */
+ /* volatile ushort *mdir = (ushort *) (MPUIO_DIR_CONTROL_REG); */
+
+ /* setup gpio direction to match board (no floats!) */
+ /**gdir = 0xCFF9; */
+ /**mdir = 0x103F; */
+
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void flash__init (void)
+{
+#define CS0_CHIP_SELECT_REG 0xfffecc10
+#define CS3_CHIP_SELECT_REG 0xfffecc1c
+#define EMIFS_GlB_Config_REG 0xfffecc0c
+
+ {
+ unsigned int regval;
+
+ regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
+ regval = regval | 0x0001; /* Turn off write protection for flash devices. */
+ if (regval & 0x0002) {
+ regval = regval & 0xfffd; /* Swap CS0 and CS3 so that flash is visible at 0x0 and eeprom at 0x0c000000. */
+ /* If, instead, you want to reference flash at 0x0c000000, then it seemed the following were necessary. */
+ /* *((volatile unsigned int *)CS0_CHIP_SELECT_REG) = 0x202090; / * Overrides head.S setting of 0x212090 */
+ /* *((volatile unsigned int *)CS3_CHIP_SELECT_REG) = 0x202090; / * Let's flash chips be fully functional. */
+ }
+ *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;
+ }
+}
+
+
+/******************************
+ Routine:
+ Description:
+******************************/
+static void ether__init (void)
+{
+#define ETH_CONTROL_REG 0x0800000b
+ /* take the Ethernet controller out of reset and wait
+ * for the EEPROM load to complete.
+ */
+ *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+ udelay (3);
+}
+
+
+int dram_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
diff --git a/board/omap1510inn/platform.S b/board/omap1510inn/platform.S
new file mode 100644
index 0000000..6bad32d
--- /dev/null
+++ b/board/omap1510inn/platform.S
@@ -0,0 +1,386 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ *
+ * -- Some bits of code used from rrload's head_OMAP1510.s --
+ * Copyright (C) 2002 RidgeRun, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <config.h>
+#include <version.h>
+
+#if defined(CONFIG_OMAP1510)
+#include <./configs/omap1510.h>
+#endif
+
+#define OMAP1510_CLKS ((1<<EN_XORPCK)|(1<<EN_PERCK)|(1<<EN_TIMCK)|(1<<EN_GPIOCK))
+
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+.globl platformsetup
+platformsetup:
+
+ /*
+ * Configure 1510 pins functions to match our board.
+ */
+ ldr r0, REG_PULL_DWN_CTRL_0
+ ldr r1, VAL_PULL_DWN_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_1
+ ldr r1, VAL_PULL_DWN_CTRL_1
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_2
+ ldr r1, VAL_PULL_DWN_CTRL_2
+ str r1, [r0]
+ ldr r0, REG_PULL_DWN_CTRL_3
+ ldr r1, VAL_PULL_DWN_CTRL_3
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_4
+ ldr r1, VAL_FUNC_MUX_CTRL_4
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_5
+ ldr r1, VAL_FUNC_MUX_CTRL_5
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_6
+ ldr r1, VAL_FUNC_MUX_CTRL_6
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_7
+ ldr r1, VAL_FUNC_MUX_CTRL_7
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_8
+ ldr r1, VAL_FUNC_MUX_CTRL_8
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_9
+ ldr r1, VAL_FUNC_MUX_CTRL_9
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_A
+ ldr r1, VAL_FUNC_MUX_CTRL_A
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_B
+ ldr r1, VAL_FUNC_MUX_CTRL_B
+ str r1, [r0]
+ ldr r0, REG_FUNC_MUX_CTRL_C
+ ldr r1, VAL_FUNC_MUX_CTRL_C
+ str r1, [r0]
+ ldr r0, REG_VOLTAGE_CTRL_0
+ ldr r1, VAL_VOLTAGE_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_TEST_DBG_CTRL_0
+ ldr r1, VAL_TEST_DBG_CTRL_0
+ str r1, [r0]
+ ldr r0, REG_MOD_CONF_CTRL_0
+ ldr r1, VAL_MOD_CONF_CTRL_0
+ str r1, [r0]
+
+ /* Move to 1510 mode */
+ ldr r0, REG_COMP_MODE_CTRL_0
+ ldr r1, VAL_COMP_MODE_CTRL_0
+ str r1, [r0]
+
+ /* Set up Traffic Ctlr*/
+ ldr r0, REG_TC_IMIF_PRIO
+ mov r1, #0x0
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFS_PRIO
+ str r1, [r0]
+ ldr r0, REG_TC_EMIFF_PRIO
+ str r1, [r0]
+
+ ldr r0, REG_TC_EMIFS_CONFIG
+ ldr r1, [r0]
+ bic r1, r1, #0x08 /* clear the global power-down enable PDE bit */
+ bic r1, r1, #0x01 /* write protect flash by clearing the WP bit */
+ str r1, [r0] /* EMIFS GlB Configuration. (value 0x12 most likely) */
+
+ /* Setup some clock domains */
+ ldr r1, =OMAP1510_CLKS
+ ldr r0, REG_ARM_IDLECT2
+ strh r1, [r0] /* CLKM, Clock domain control. */
+
+ mov r1, #0x01 /* PER_EN bit */
+ ldr r0, REG_ARM_RSTCT2
+ strh r1, [r0] /* CLKM; Peripheral reset. */
+
+ /* Set CLKM to Sync-Scalable */
+ /* I supposidly need to enable the dsp clock before switching */
+ mov r1, #0x1000
+ ldr r0, REG_ARM_SYSST
+ strh r1, [r0]
+ mov r0, #0x400
+1:
+ subs r0, r0, #0x1 /* wait for any bubbles to finish */
+ bne 1b
+
+ ldr r1, VAL_ARM_CKCTL /* use 12Mhz ref, PER must be <= 50Mhz so /2 */
+ ldr r0, REG_ARM_CKCTL
+ strh r1, [r0]
+
+ /* setup DPLL 1 */
+ ldr r1, VAL_DPLL1_CTL
+ ldr r0, REG_DPLL1_CTL
+ strh r1, [r0]
+ ands r1, r1, #0x10 /* Check if PLL is enabled. */
+ beq lock_end /* Do not look for lock if BYPASS selected */
+2:
+ ldrh r1, [r0]
+ ands r1, r1, #0x01 /* Check the LOCK bit. */
+ beq 2b /* ...loop until bit goes hi. */
+lock_end:
+
+ /* Set memory timings corresponding to the new clock speed */
+
+ /* Check execution location to determine current execution location
+ * and branch to appropriate initialization code.
+ */
+ mov r0, #0x10000000 /* Load physical SDRAM base. */
+ mov r1, pc /* Get current execution location. */
+ cmp r1, r0 /* Compare. */
+ bge skip_sdram /* Skip over EMIF-fast initialization if running from SDRAM. */
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800 /* value should be checked */
+3:
+ subs r3, r3, #0x1 /* Decrement count */
+ bne 3b
+
+ /*
+ * Set SDRAM control values. Disable refresh before MRS command.
+ */
+ ldr r0, VAL_TC_EMIFF_SDRAM_CONFIG /* get good value */
+ bic r3, r0, #0xC /* (BIT3|BIT2) ulConfig with auto-refresh disabled. */
+ orr r3, r3, #0x8000000 /* (BIT27) Disable CLK when Power down or Self-Refresh */
+ orr r3, r3, #0x4000000 /* BIT26 Power Down Enable */
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r3, [r2] /* Store the passed value with AR disabled. */
+
+ ldr r1, VAL_TC_EMIFF_MRS /* get MRS value */
+ ldr r2, REG_TC_EMIFF_MRS /* Point to MRS register. */
+ str r1, [r2] /* Store the passed value.*/
+
+ ldr r2, REG_TC_EMIFF_SDRAM_CONFIG /* Point to configuration register. */
+ str r0, [r2] /* Store the passed value. */
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800
+4:
+ subs r3, r3, #1 /* Decrement count. */
+ bne 4b
+
+skip_sdram:
+
+ /* slow interface */
+ ldr r1, VAL_TC_EMIFS_CS0_CONFIG
+ ldr r0, REG_TC_EMIFS_CS0_CONFIG
+ str r1, [r0] /* Chip Select 0 */
+ ldr r1, VAL_TC_EMIFS_CS1_CONFIG
+ ldr r0, REG_TC_EMIFS_CS1_CONFIG
+ str r1, [r0] /* Chip Select 1 */
+ ldr r1, VAL_TC_EMIFS_CS2_CONFIG
+ ldr r0, REG_TC_EMIFS_CS2_CONFIG
+ str r1, [r0] /* Chip Select 2 */
+ ldr r1, VAL_TC_EMIFS_CS3_CONFIG
+ ldr r0, REG_TC_EMIFS_CS3_CONFIG
+ str r1, [r0] /* Chip Select 3 */
+
+ /* Next, Enable the RS232 Line Drivers in the FPGA. */
+ /* Also, power on the audio CODEC's amplifier here, */
+ /* which will make a noise on the audio output. */
+ /* This is done here instead of in the kernel so there */
+ /* isn't a loud popping noise at the start of each */
+ /* song. */
+ /* Also, disable the CODEC's clocks. */
+ /* omap1510-HelenP1 [specific] */
+
+ ldr r0, REG_FPGA_POWER
+ mov r1, #0
+ ldr r2, REG_FPGA_DIP_SWITCH
+ ldrb r3, [r2]
+ cmp r3, #0x8
+ movne r1, #0x62 /* Enable the RS232 Line Drivers in the EPLD */
+ strb r1, [r0]
+ ldr r0, REG_FPGA_AUDIO
+ mov r1, #0x0 /* Disable sound driver (CODEC clocks) */
+ strb r1, [r0]
+
+ /* back to arch calling code */
+ mov pc, lr
+
+/* the literal pools origin */
+ .ltorg
+
+/* OMAP configuration registers */
+REG_FUNC_MUX_CTRL_0: /* 32 bits */
+ .word 0xfffe1000
+REG_FUNC_MUX_CTRL_1: /* 32 bits */
+ .word 0xfffe1004
+REG_FUNC_MUX_CTRL_2: /* 32 bits */
+ .word 0xfffe1008
+REG_COMP_MODE_CTRL_0: /* 32 bits */
+ .word 0xfffe100c
+REG_FUNC_MUX_CTRL_3: /* 32 bits */
+ .word 0xfffe1010
+REG_FUNC_MUX_CTRL_4: /* 32 bits */
+ .word 0xfffe1014
+REG_FUNC_MUX_CTRL_5: /* 32 bits */
+ .word 0xfffe1018
+REG_FUNC_MUX_CTRL_6: /* 32 bits */
+ .word 0xfffe101c
+REG_FUNC_MUX_CTRL_7: /* 32 bits */
+ .word 0xfffe1020
+REG_FUNC_MUX_CTRL_8: /* 32 bits */
+ .word 0xfffe1024
+REG_FUNC_MUX_CTRL_9: /* 32 bits */
+ .word 0xfffe1028
+REG_FUNC_MUX_CTRL_A: /* 32 bits */
+ .word 0xfffe102C
+REG_FUNC_MUX_CTRL_B: /* 32 bits */
+ .word 0xfffe1030
+REG_FUNC_MUX_CTRL_C: /* 32 bits */
+ .word 0xfffe1034
+REG_FUNC_MUX_CTRL_D: /* 32 bits */
+ .word 0xfffe1038
+REG_PULL_DWN_CTRL_0: /* 32 bits */
+ .word 0xfffe1040
+REG_PULL_DWN_CTRL_1: /* 32 bits */
+ .word 0xfffe1044
+REG_PULL_DWN_CTRL_2: /* 32 bits */
+ .word 0xfffe1048
+REG_PULL_DWN_CTRL_3: /* 32 bits */
+ .word 0xfffe104c
+REG_VOLTAGE_CTRL_0: /* 32 bits */
+ .word 0xfffe1060
+REG_TEST_DBG_CTRL_0: /* 32 bits */
+ .word 0xfffe1070
+REG_MOD_CONF_CTRL_0: /* 32 bits */
+ .word 0xfffe1080
+REG_TC_IMIF_PRIO: /* 32 bits */
+ .word 0xfffecc00
+REG_TC_EMIFS_PRIO: /* 32 bits */
+ .word 0xfffecc04
+REG_TC_EMIFF_PRIO: /* 32 bits */
+ .word 0xfffecc08
+REG_TC_EMIFS_CONFIG: /* 32 bits */
+ .word 0xfffecc0c
+REG_TC_EMIFS_CS0_CONFIG: /* 32 bits */
+ .word 0xfffecc10
+REG_TC_EMIFS_CS1_CONFIG: /* 32 bits */
+ .word 0xfffecc14
+REG_TC_EMIFS_CS2_CONFIG: /* 32 bits */
+ .word 0xfffecc18
+REG_TC_EMIFS_CS3_CONFIG: /* 32 bits */
+ .word 0xfffecc1c
+REG_TC_EMIFF_SDRAM_CONFIG: /* 32 bits */
+ .word 0xfffecc20
+REG_TC_EMIFF_MRS: /* 32 bits */
+ .word 0xfffecc24
+/* MPU clock/reset/power mode control registers */
+REG_ARM_CKCTL: /* 16 bits */
+ .word 0xfffece00
+REG_ARM_IDLECT2: /* 16 bits */
+ .word 0xfffece08
+REG_ARM_RSTCT2: /* 16 bits */
+ .word 0xfffece14
+REG_ARM_SYSST: /* 16 bits */
+ .word 0xfffece18
+/* DPLL control registers */
+REG_DPLL1_CTL: /* 16 bits */
+ .word 0xfffecf00
+/* identification code register */
+REG_IDCODE: /* 32 bits */
+ .word 0xfffed404
+
+/* Innovator specific */
+REG_FPGA_LED_DIGIT: /* 8 bits (not used on Innovator) */
+ .word 0x08000003
+REG_FPGA_POWER: /* 8 bits */
+ .word 0x08000005
+REG_FPGA_AUDIO: /* 8 bits (not used on Innovator) */
+ .word 0x0800000c
+REG_FPGA_DIP_SWITCH: /* 8 bits (not used on Innovator) */
+ .word 0x0800000e
+
+VAL_COMP_MODE_CTRL_0:
+ .word 0x0000eaef
+VAL_FUNC_MUX_CTRL_4:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_5:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_6:
+ .word 0x00000001
+VAL_FUNC_MUX_CTRL_7:
+ .word 0x00000000
+VAL_FUNC_MUX_CTRL_8:
+ .word 0x10001200
+VAL_FUNC_MUX_CTRL_9:
+ .word 0x01201012
+VAL_FUNC_MUX_CTRL_A:
+ .word 0x00000248
+VAL_FUNC_MUX_CTRL_B:
+ .word 0x00000248
+VAL_FUNC_MUX_CTRL_C:
+ .word 0x09000000
+VAL_FUNC_MUX_CTRL_D:
+ .word 0x00000000
+VAL_PULL_DWN_CTRL_0:
+ .word 0x11a10000
+VAL_PULL_DWN_CTRL_1:
+ .word 0x2e047fff
+VAL_PULL_DWN_CTRL_2:
+ .word 0xffd7d3e6
+VAL_PULL_DWN_CTRL_3:
+ .word 0x00003f03
+VAL_VOLTAGE_CTRL_0:
+ .word 0x00000007
+VAL_TEST_DBG_CTRL_0:
+ /* See Errata 4.13, This works around a SRAM bug, for chips below ES2.5 .
+ * This slows down internal SRAM accesses.
+ */
+ .word 0x00000007
+VAL_MOD_CONF_CTRL_0:
+ .word 0x0b000008
+VAL_ARM_CKCTL:
+ .word 0x010f
+VAL_DPLL1_CTL:
+ .word 0x2710
+VAL_TC_EMIFS_CS1_CONFIG_PRELIM:
+ .word 0x00001149
+VAL_TC_EMIFS_CS2_CONFIG_PRELIM:
+ .word 0x00004158
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x002130b0
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x0000f559
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0x000055f0
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x00003331
+VAL_TC_EMIFF_SDRAM_CONFIG:
+ .word 0x010290fc
+VAL_TC_EMIFF_MRS:
+ .word 0x00000027
diff --git a/board/omap1510inn/u-boot.lds b/board/omap1510inn/u-boot.lds
new file mode 100644
index 0000000..caa1d24
--- /dev/null
+++ b/board/omap1510inn/u-boot.lds
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@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_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+/*OUTPUT_FORMAT("elf32-arm", "elf32-arm", "elf32-arm")*/
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ cpu/arm925t/start.o (.text)
+ *(.text)
+ }
+
+ . = ALIGN(4);
+ .rodata : { *(.rodata) }
+
+ . = ALIGN(4);
+ .data : { *(.data) }
+
+ . = ALIGN(4);
+ .got : { *(.got) }
+
+ __u_boot_cmd_start = .;
+ .u_boot_cmd : { *(.u_boot_cmd) }
+ __u_boot_cmd_end = .;
+
+ armboot_end_data = .;
+
+ . = ALIGN(4);
+ .bss : { *(.bss) }
+
+ armboot_end = .;
+}