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-rw-r--r--board/ti/omap1610inn/Makefile51
-rw-r--r--board/ti/omap1610inn/config.mk26
-rw-r--r--board/ti/omap1610inn/flash.c493
-rw-r--r--board/ti/omap1610inn/lowlevel_init.S452
-rw-r--r--board/ti/omap1610inn/omap1610innovator.c304
5 files changed, 1326 insertions, 0 deletions
diff --git a/board/ti/omap1610inn/Makefile b/board/ti/omap1610inn/Makefile
new file mode 100644
index 0000000..1adcad6
--- /dev/null
+++ b/board/ti/omap1610inn/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS := omap1610innovator.o flash.o
+SOBJS := lowlevel_init.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/ti/omap1610inn/config.mk b/board/ti/omap1610inn/config.mk
new file mode 100644
index 0000000..1c5b7b5
--- /dev/null
+++ b/board/ti/omap1610inn/config.mk
@@ -0,0 +1,26 @@
+#
+# (C) Copyright 2002
+# Gary Jennejohn, DENX Software Engineering, <garyj@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 OMAP1610 (ARM925EJS) cpu
+# see http://www.ti.com/ for more information on Texas Instruments
+#
+# 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 1108'0000
+#
+#
+
+
+TEXT_BASE = 0x11080000
diff --git a/board/ti/omap1610inn/flash.c b/board/ti/omap1610inn/flash.c
new file mode 100644
index 0000000..36200ad
--- /dev/null
+++ b/board/ti/omap1610inn/flash.c
@@ -0,0 +1,493 @@
+/*
+ * (C) Copyright 2001
+ * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
+ *
+ * (C) Copyright 2001-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (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>
+#include <linux/byteorder/swab.h>
+
+#define PHYS_FLASH_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
+flash_info_t flash_info[CONFIG_SYS_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")
+
+
+/* Flash Organization Structure */
+typedef struct OrgDef {
+ unsigned int sector_number;
+ unsigned int sector_size;
+} OrgDef;
+
+
+/* Flash Organizations */
+OrgDef OrgIntel_28F256L18T[] = {
+ {4, 32 * 1024}, /* 4 * 32kBytes sectors */
+ {255, 128 * 1024}, /* 255 * 128kBytes sectors */
+};
+
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+unsigned long flash_init (void);
+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);
+void flash_print_info (flash_info_t * info);
+void flash_unprotect_sectors (FPWV * addr);
+int flash_erase (flash_info_t * info, int s_first, int s_last);
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
+void flash_unlock(flash_info_t * info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ int i;
+ ulong size = 0;
+
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) {
+ switch (i) {
+ case 0:
+ flash_get_size ((FPW *) CONFIG_SYS_FLASH_BASE, &flash_info[i]);
+ flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[i]);
+ /* to reset the lock bit */
+ flash_unlock(&flash_info[i]);
+ break;
+ default:
+ panic ("configured too many flash banks!\n");
+ break;
+ }
+ size += flash_info[i].size;
+ }
+
+ /* Protect monitor and environment sectors
+ */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_FLASH_BASE,
+ CONFIG_SYS_FLASH_BASE + monitor_flash_len - 1, &flash_info[0]);
+
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
+
+ return size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_unlock(flash_info_t * info)
+{
+ int j;
+ for (j=2;j<CONFIG_SYS_MAX_FLASH_SECT;j++){
+ FPWV *addr = (FPWV *) (info->start[j]);
+ flash_unprotect_sectors (addr);
+ *addr = (FPW) 0x00500050;/* clear status register */
+ *addr = (FPW) 0x00FF00FF;/* resest to read mode */
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+static void flash_get_offsets (ulong base, flash_info_t * info)
+{
+ int i;
+ OrgDef *pOrgDef;
+
+ pOrgDef = OrgIntel_28F256L18T;
+ if (info->flash_id == FLASH_UNKNOWN) {
+ return;
+ }
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
+ for (i = 0; i < info->sector_count; i++) {
+ if (i > 255) {
+ info->start[i] = base + (i * 0x8000);
+ info->protect[i] = 0;
+ } else {
+ 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_28F256L18T:
+ printf ("FLASH 28F256L18T\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_28F256L18T):
+ info->flash_id += FLASH_28F256L18T;
+ info->sector_count = 259;
+ info->size = 0x02000000;
+ break; /* => 32 MB */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ break;
+ }
+
+ if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
+ printf ("** ERROR: sector count %d > max (%d) **\n",
+ info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
+ info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
+ }
+
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+
+ return (info->size);
+}
+
+
+/* unprotects a sector for write and erase
+ * on some intel parts, this unprotects the entire chip, but it
+ * wont hurt to call this additional times per sector...
+ */
+void flash_unprotect_sectors (FPWV * addr)
+{
+#define PD_FINTEL_WSMS_READY_MASK 0x0080
+
+ *addr = (FPW) 0x00500050; /* clear status register */
+
+ /* this sends the clear lock bit command */
+ *addr = (FPW) 0x00600060;
+ *addr = (FPW) 0x00D000D0;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+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);
+
+ flash_unprotect_sectors (addr);
+
+ /* 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 () >
+ CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ /* suspend erase */
+ *addr = (FPW) 0x00B000B0;
+ /* reset to read mode */
+ *addr = (FPW) 0x00FF00FF;
+ rcode = 1;
+ break;
+ }
+ }
+
+ /* clear status register cmd. */
+ *addr = (FPW) 0x00500050;
+ *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 () > CONFIG_SYS_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/ti/omap1610inn/lowlevel_init.S b/board/ti/omap1610inn/lowlevel_init.S
new file mode 100644
index 0000000..e4ed9f3
--- /dev/null
+++ b/board/ti/omap1610inn/lowlevel_init.S
@@ -0,0 +1,452 @@
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
+ *
+ * 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_OMAP1610)
+#include <./configs/omap1510.h>
+#endif
+
+
+_TEXT_BASE:
+ .word TEXT_BASE /* sdram load addr from config.mk */
+
+.globl lowlevel_init
+lowlevel_init:
+
+
+ /*------------------------------------------------------*
+ *mask all IRQs by setting all bits in the INTMR default*
+ *------------------------------------------------------*/
+ mov r1, #0xffffffff
+ ldr r0, =REG_IHL1_MIR
+ str r1, [r0]
+ ldr r0, =REG_IHL2_MIR
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT1) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT1
+ ldr r1, VAL_ARM_IDLECT1
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT2) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT2
+ ldr r1, VAL_ARM_IDLECT2
+ str r1, [r0]
+
+ /*------------------------------------------------------*
+ * Set up ARM CLM registers (IDLECT3) *
+ *------------------------------------------------------*/
+ ldr r0, REG_ARM_IDLECT3
+ ldr r1, VAL_ARM_IDLECT3
+ str r1, [r0]
+
+#ifdef CONFIG_CS_AUTOBOOT /* do the setup depending on boot mode */
+ ldr r0, CONF_STATUS
+ ldr r1, [r0]
+ tst r1, #0x02
+ beq disable_wd /* booting from RAM, skip setup */
+#endif
+
+ mov r1, #0x01 /* PER_EN bit */
+ ldr r0, REG_ARM_RSTCT2
+ strh r1, [r0] /* CLKM; Peripheral reset. */
+
+ /* Set CLKM to Sync-Scalable */
+ /* I supposedly need to enable the dsp clock before switching */
+ mov r1, #0x0000
+ 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
+ ldr r0, REG_ARM_CKCTL
+ strh r1, [r0]
+
+ /* a few nops to let settle */
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+ nop
+
+ /* setup DPLL 1 */
+ /* Ramp up the clock to 96Mhz */
+ 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:
+
+
+ /*------------------------------------------------------*
+ * Turn off the watchdog during init... *
+ *------------------------------------------------------*/
+disable_wd:
+ ldr r0, REG_WATCHDOG
+ ldr r1, WATCHDOG_VAL1
+ str r1, [r0]
+ ldr r1, WATCHDOG_VAL2
+ str r1, [r0]
+ ldr r0, REG_WSPRDOG
+ ldr r1, WSPRDOG_VAL1
+ str r1, [r0]
+ ldr r0, REG_WWPSDOG
+
+watch1Wait:
+ ldr r1, [r0]
+ tst r1, #0x10
+ bne watch1Wait
+
+ ldr r0, REG_WSPRDOG
+ ldr r1, WSPRDOG_VAL2
+ str r1, [r0]
+ ldr r0, REG_WWPSDOG
+watch2Wait:
+ ldr r1, [r0]
+ tst r1, #0x10
+ bne watch2Wait
+
+
+ /* Set memory timings corresponding to the new clock speed */
+
+ /* Check execution location to determine current execution location
+ * and branch to appropriate initialization code.
+ */
+ /* Load physical SDRAM base. */
+ mov r0, #0x10000000
+ /* Get current execution location. */
+ mov r1, pc
+ /* Compare. */
+ cmp r1, r0
+ /* Skip over EMIF-fast initialization if running from SDRAM. */
+ bge skip_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.
+ */
+
+ /* mobile ddr operation */
+ ldr r0, REG_SDRAM_OPERATION
+ mov r2, #07
+ str r2, [r0]
+
+ /* config register */
+ ldr r0, REG_SDRAM_CONFIG
+ ldr r1, SDRAM_CONFIG_VAL
+ str r1, [r0]
+
+ /* manual command register */
+ ldr r0, REG_SDRAM_MANUAL_CMD
+ /* issue set cke high */
+ mov r1, #CMD_SDRAM_CKE_SET_HIGH
+ str r1, [r0]
+ /* issue nop */
+ mov r1, #CMD_SDRAM_NOP
+ str r1, [r0]
+
+ mov r2, #0x0100
+waitMDDR1:
+ subs r2, r2, #1
+ bne waitMDDR1 /* delay loop */
+
+ /* issue precharge */
+ mov r1, #CMD_SDRAM_PRECHARGE
+ str r1, [r0]
+
+ /* issue autorefresh x 2 */
+ mov r1, #CMD_SDRAM_AUTOREFRESH
+ str r1, [r0]
+ str r1, [r0]
+
+ /* mrs register ddr mobile */
+ ldr r0, REG_SDRAM_MRS
+ mov r1, #0x33
+ str r1, [r0]
+
+ /* emrs1 low-power register */
+ ldr r0, REG_SDRAM_EMRS1
+ /* self refresh on all banks */
+ mov r1, #0
+ str r1, [r0]
+
+ ldr r0, REG_DLL_URD_CONTROL
+ ldr r1, DLL_URD_CONTROL_VAL
+ str r1, [r0]
+
+ ldr r0, REG_DLL_LRD_CONTROL
+ ldr r1, DLL_LRD_CONTROL_VAL
+ str r1, [r0]
+
+ ldr r0, REG_DLL_WRT_CONTROL
+ ldr r1, DLL_WRT_CONTROL_VAL
+ str r1, [r0]
+
+ /* delay loop */
+ mov r2, #0x0100
+waitMDDR2:
+ subs r2, r2, #1
+ bne waitMDDR2
+
+ /*
+ * Delay for SDRAM initialization.
+ */
+ mov r3, #0x1800
+4:
+ subs r3, r3, #1 /* Decrement count. */
+ bne 4b
+ b common_tc
+
+skip_sdram:
+
+ ldr r0, REG_SDRAM_CONFIG
+ ldr r1, SDRAM_CONFIG_VAL
+ str r1, [r0]
+
+common_tc:
+ /* 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_CS3_CONFIG
+ ldr r0, REG_TC_EMIFS_CS3_CONFIG
+ str r1, [r0] /* Chip Select 3 */
+
+#ifdef CONFIG_H2_OMAP1610
+ /* inserting additional 2 clock cycle hold time for LAN */
+ ldr r0, REG_TC_EMIFS_CS1_ADVANCED
+ ldr r1, VAL_TC_EMIFS_CS1_ADVANCED
+ str r1, [r0]
+#endif
+ /* Start MPU Timer 1 */
+ ldr r0, REG_MPU_LOAD_TIMER
+ ldr r1, VAL_MPU_LOAD_TIMER
+ str r1, [r0]
+
+ ldr r0, REG_MPU_CNTL_TIMER
+ ldr r1, VAL_MPU_CNTL_TIMER
+ str r1, [r0]
+
+ /* back to arch calling code */
+ mov pc, lr
+
+ /* the literal pools origin */
+ .ltorg
+
+#ifdef CONFIG_CS_AUTOBOOT
+CONF_STATUS:
+ .word 0xfffe1130 /* 32 bits */
+#endif
+
+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
+
+#ifdef CONFIG_H2_OMAP1610
+REG_TC_EMIFS_CS1_ADVANCED: /* 32 bits */
+ .word 0xfffecc54
+#endif
+
+/* MPU clock/reset/power mode control registers */
+REG_ARM_CKCTL: /* 16 bits */
+ .word 0xfffece00
+
+REG_ARM_IDLECT3: /* 16 bits */
+ .word 0xfffece24
+REG_ARM_IDLECT2: /* 16 bits */
+ .word 0xfffece08
+REG_ARM_IDLECT1: /* 16 bits */
+ .word 0xfffece04
+
+REG_ARM_RSTCT2: /* 16 bits */
+ .word 0xfffece14
+REG_ARM_SYSST: /* 16 bits */
+ .word 0xfffece18
+/* DPLL control registers */
+REG_DPLL1_CTL: /* 16 bits */
+ .word 0xfffecf00
+
+/* Watch Dog register */
+/* secure watchdog stop */
+REG_WSPRDOG:
+ .word 0xfffeb048
+/* watchdog write pending */
+REG_WWPSDOG:
+ .word 0xfffeb034
+
+WSPRDOG_VAL1:
+ .word 0x0000aaaa
+WSPRDOG_VAL2:
+ .word 0x00005555
+
+/* SDRAM config is: auto refresh enabled, 16 bit 4 bank,
+ counter @8192 rows, 10 ns, 8 burst */
+REG_SDRAM_CONFIG:
+ .word 0xfffecc20
+
+/* Operation register */
+REG_SDRAM_OPERATION:
+ .word 0xfffecc80
+
+/* Manual command register */
+REG_SDRAM_MANUAL_CMD:
+ .word 0xfffecc84
+
+/* SDRAM MRS (New) config is: CAS latency is 2, burst length 8 */
+REG_SDRAM_MRS:
+ .word 0xfffecc70
+
+/* SDRAM MRS (New) config is: CAS latency is 2, burst length 8 */
+REG_SDRAM_EMRS1:
+ .word 0xfffecc78
+
+/* WRT DLL register */
+REG_DLL_WRT_CONTROL:
+ .word 0xfffecc68
+DLL_WRT_CONTROL_VAL:
+ .word 0x03f00002
+
+/* URD DLL register */
+REG_DLL_URD_CONTROL:
+ .word 0xfffeccc0
+DLL_URD_CONTROL_VAL:
+ .word 0x00800002
+
+/* LRD DLL register */
+REG_DLL_LRD_CONTROL:
+ .word 0xfffecccc
+
+REG_WATCHDOG:
+ .word 0xfffec808
+
+REG_MPU_LOAD_TIMER:
+ .word 0xfffec504
+REG_MPU_CNTL_TIMER:
+ .word 0xfffec500
+
+/* 96 MHz Samsung Mobile DDR */
+SDRAM_CONFIG_VAL:
+ .word 0x001200f4
+
+DLL_LRD_CONTROL_VAL:
+ .word 0x00800002
+
+VAL_ARM_CKCTL:
+ .word 0x3000
+VAL_DPLL1_CTL:
+ .word 0x2830
+
+#ifdef CONFIG_INNOVATOROMAP1610
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x002130b0
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x00001131
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0x000055f0
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x88011131
+#endif
+
+#ifdef CONFIG_H2_OMAP1610
+VAL_TC_EMIFS_CS0_CONFIG:
+ .word 0x00203331
+VAL_TC_EMIFS_CS1_CONFIG:
+ .word 0x8180fff3
+VAL_TC_EMIFS_CS2_CONFIG:
+ .word 0xf800f22a
+VAL_TC_EMIFS_CS3_CONFIG:
+ .word 0x88011131
+VAL_TC_EMIFS_CS1_ADVANCED:
+ .word 0x00000022
+#endif
+
+VAL_TC_EMIFF_SDRAM_CONFIG:
+ .word 0x010290fc
+VAL_TC_EMIFF_MRS:
+ .word 0x00000027
+
+VAL_ARM_IDLECT1:
+ .word 0x00000400
+
+VAL_ARM_IDLECT2:
+ .word 0x00000886
+VAL_ARM_IDLECT3:
+ .word 0x00000015
+
+WATCHDOG_VAL1:
+ .word 0x000000f5
+WATCHDOG_VAL2:
+ .word 0x000000a0
+
+VAL_MPU_LOAD_TIMER:
+ .word 0xffffffff
+VAL_MPU_CNTL_TIMER:
+ .word 0xffffffa1
+
+/* command values */
+.equ CMD_SDRAM_NOP, 0x00000000
+.equ CMD_SDRAM_PRECHARGE, 0x00000001
+.equ CMD_SDRAM_AUTOREFRESH, 0x00000002
+.equ CMD_SDRAM_CKE_SET_HIGH, 0x00000007
diff --git a/board/ti/omap1610inn/omap1610innovator.c b/board/ti/omap1610inn/omap1610innovator.c
new file mode 100644
index 0000000..2e04ad4
--- /dev/null
+++ b/board/ti/omap1610inn/omap1610innovator.c
@@ -0,0 +1,304 @@
+/*
+ * (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>
+ *
+ * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
+ *
+ * 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>
+#if defined(CONFIG_OMAP1610)
+#include <./configs/omap1510.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_CS_AUTOBOOT
+unsigned long omap_flash_base;
+#endif
+
+void flash__init (void);
+void ether__init (void);
+void set_muxconf_regs (void);
+void peripheral_power_enable (void);
+
+#define COMP_MODE_ENABLE ((unsigned int)0x0000EAEF)
+
+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)
+{
+ if (machine_is_omap_h2())
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP_H2;
+ else if (machine_is_omap_innovator())
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP_INNOVATOR;
+ else
+ gd->bd->bi_arch_number = MACH_TYPE_OMAP_GENERIC;
+
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = 0x10000100;
+
+ /* Configure MUX settings */
+ set_muxconf_regs ();
+ peripheral_power_enable ();
+
+/* 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)
+{
+ /* currently empty */
+ return (0);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+void flash__init (void)
+{
+#define EMIFS_GlB_Config_REG 0xfffecc0c
+ unsigned int regval;
+
+#ifdef CONFIG_CS_AUTOBOOT
+ /* Check swapping of CS0 and CS3, set flash base accordingly */
+ omap_flash_base = ((*((u32 *)OMAP_EMIFS_CONFIG_REG) & 0x02) == 0) ?
+ PHYS_FLASH_1_BM0 : PHYS_FLASH_1_BM1;
+#endif
+ regval = *((volatile unsigned int *) EMIFS_GlB_Config_REG);
+ /* Turn off write protection for flash devices. */
+ regval = regval | 0x0001;
+ *((volatile unsigned int *) EMIFS_GlB_Config_REG) = regval;
+}
+/*************************************************************
+ Routine:ether__init
+ Description: take the Ethernet controller out of reset and wait
+ for the EEPROM load to complete.
+*************************************************************/
+void ether__init (void)
+{
+#define ETH_CONTROL_REG 0x0400030b
+
+#ifdef CONFIG_H2_OMAP1610
+ #define LAN_RESET_REGISTER 0x0400001c
+
+ /* The debug board on which the lan chip resides may not be powered
+ * ON at the same time as the OMAP chip. So wait in a loop until the
+ * lan reset register (on the debug board) is available (powered on)
+ * and reset the lan chip.
+ */
+
+ *((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0000;
+ do {
+ *((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0001;
+ udelay (3);
+ } while (*((volatile unsigned short *) LAN_RESET_REGISTER) != 0x0001);
+
+ do {
+ *((volatile unsigned short *) LAN_RESET_REGISTER) = 0x0000;
+ udelay (3);
+ } while (*((volatile unsigned short *) LAN_RESET_REGISTER) != 0x0000);
+#endif
+
+ *((volatile unsigned char *) ETH_CONTROL_REG) &= ~0x01;
+ udelay (3);
+}
+
+/******************************
+ Routine:
+ Description:
+******************************/
+int dram_init (void)
+{
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+
+ return 0;
+}
+
+/******************************************************
+ Routine: set_muxconf_regs
+ Description: Setting up the configuration Mux registers
+ specific to the hardware
+*******************************************************/
+void set_muxconf_regs (void)
+{
+ volatile unsigned int *MuxConfReg;
+ /* set each registers to its reset value; */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);
+ /* setup for UART1 */
+ *MuxConfReg &= ~(0x02000000); /* bit 25 */
+ /* setup for UART2 */
+ *MuxConfReg &= ~(0x01000000); /* bit 24 */
+ /* Disable Uwire CS Hi-Z */
+ *MuxConfReg |= 0x08000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_4);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_5);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_6);
+ /*setup mux for UART3 */
+ *MuxConfReg |= 0x00000001; /* bit3, 1, 0 (mux0 5,5,26) */
+ *MuxConfReg &= ~0x0000003e;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_7);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_8);
+ /* Disable Uwire CS Hi-Z */
+ *MuxConfReg |= 0x00001200; /*bit 9 for CS0 12 for CS3 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_9);
+ /* Need to turn on bits 21 and 12 in FUNC_MUX_CTRL_9 so the */
+ /* hardware will actually use TX and RTS based on bit 25 in */
+ /* FUNC_MUX_CTRL_0. I told you this thing was screwy! */
+ *MuxConfReg |= 0x00201000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_A);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_B);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_C);
+ /* setup for UART2 */
+ /* Need to turn on bits 27 and 24 in FUNC_MUX_CTRL_C so the */
+ /* hardware will actually use TX and RTS based on bit 24 in */
+ /* FUNC_MUX_CTRL_0. */
+ *MuxConfReg |= 0x09000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_0);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_1);
+ *MuxConfReg = 0x00000000;
+ /* mux setup for SD/MMC driver */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_2);
+ *MuxConfReg &= 0xFFFE0FFF;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ /* bit 13 for MMC2 XOR_CLK */
+ *MuxConfReg &= ~(0x00002000);
+ /* bit 29 for UART 1 */
+ *MuxConfReg &= ~(0x00002000);
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) FUNC_MUX_CTRL_0);
+ /* Configure for USB. Turn on VBUS_CTRL and VBUS_MODE. */
+ *MuxConfReg |= 0x000C0000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int)USB_TRANSCEIVER_CTRL);
+ *MuxConfReg &= ~(0x00000070);
+ *MuxConfReg &= ~(0x00000008);
+ *MuxConfReg |= 0x00000003;
+ *MuxConfReg |= 0x00000180;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ /* bit 17, software controls VBUS */
+ *MuxConfReg &= ~(0x00020000);
+ /* Enable USB 48 and 12M clocks */
+ *MuxConfReg |= 0x00000200;
+ *MuxConfReg &= ~(0x00000180);
+ /*2.75V for MMCSDIO1 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) VOLTAGE_CTRL_0);
+ *MuxConfReg = 0x00001FE7;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_0);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_1);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_3);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_4);
+ *MuxConfReg = 0x00000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PULL_DWN_CTRL_4);
+ *MuxConfReg = 0x00000000;
+ /* Turn on UART2 48 MHZ clock */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) MOD_CONF_CTRL_0);
+ *MuxConfReg |= 0x40000000;
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) USB_OTG_CTRL);
+ /* setup for USB VBus detection OMAP161x */
+ *MuxConfReg |= 0x00040000; /* bit 18 */
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int) PU_PD_SEL_2);
+ /* PullUps for SD/MMC driver */
+ *MuxConfReg |= ~(0xFFFE0FFF);
+ MuxConfReg =
+ (volatile unsigned int *) ((unsigned int)COMP_MODE_CTRL_0);
+ *MuxConfReg = COMP_MODE_ENABLE;
+}
+
+/******************************************************
+ Routine: peripheral_power_enable
+ Description: Enable the power for UART1
+*******************************************************/
+void peripheral_power_enable (void)
+{
+#define UART1_48MHZ_ENABLE ((unsigned short)0x0200)
+#define SW_CLOCK_REQUEST ((volatile unsigned short *)0xFFFE0834)
+
+ *SW_CLOCK_REQUEST |= UART1_48MHZ_ENABLE;
+}
generated by cgit v1.1 at 2024-11-25 18:19:07 +0000