[U-Boot] [PATCH v2] Add support for LPC2468 from NXP
Remco Poelstra
remco.poelstra at duran-audio.com
Wed May 12 15:01:17 CEST 2010
Add support for LPC2468 from NXP
Basic startup code
Internal flash is supported (for environment storage)
Signed-off-by: Remco Poelstra<remco.poelstra at duran-audio.com>
---
MAINTAINERS | 4 +
MAKEALL | 1 +
Makefile | 3 +
arch/arm/cpu/arm720t/cpu.c | 4 +-
arch/arm/cpu/arm720t/interrupts.c | 43 ++-
arch/arm/cpu/arm720t/lpc24xx/Makefile | 50 +++
arch/arm/cpu/arm720t/lpc24xx/flash.c | 236 ++++++++++++
arch/arm/cpu/arm720t/lpc24xx/iap_entry.S | 7 +
arch/arm/cpu/arm720t/start.S | 12 +-
arch/arm/include/asm/arch-lpc24xx/hardware.h | 32 ++
arch/arm/include/asm/arch-lpc24xx/immap.h | 532
++++++++++++++++++++++++++
arch/arm/include/asm/config.h | 4 +
arch/arm/lib/eabi_compat.c | 5 +
drivers/serial/Makefile | 1 +
drivers/serial/serial_lpc2468.c | 119 ++++++
include/flash.h | 1 +
16 files changed, 1049 insertions(+), 5 deletions(-)
create mode 100644 arch/arm/cpu/arm720t/lpc24xx/Makefile
create mode 100644 arch/arm/cpu/arm720t/lpc24xx/flash.c
create mode 100644 arch/arm/cpu/arm720t/lpc24xx/iap_entry.S
create mode 100644 arch/arm/include/asm/arch-lpc24xx/hardware.h
create mode 100644 arch/arm/include/asm/arch-lpc24xx/immap.h
create mode 100644 drivers/serial/serial_lpc2468.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 5cbc845..3cdf22d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -708,6 +708,10 @@ Manikandan Pillai <mani.pillai at ti.com>
omap3_evm ARM CORTEX-A8 (OMAP3xx SoC)
+Remco Poelstra <remco.poelstra at duran-audio.com>
+
+ LPC2468 LPC2468
+
Stelian Pop <stelian.pop at leadtechdesign.com>
at91cap9adk ARM926EJS (AT91CAP9 SoC)
diff --git a/MAKEALL b/MAKEALL
index bb09627..2f747c6 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -540,6 +540,7 @@ LIST_ARM7=" \
impa7 \
integratorap \
lpc2292sodimm \
+ LPC2468 \
modnet50 \
SMN42 \
"
diff --git a/Makefile b/Makefile
index 82cbbf4..a4212c8 100644
--- a/Makefile
+++ b/Makefile
@@ -3148,6 +3148,9 @@ evb4510_config : unconfig
lpc2292sodimm_config: unconfig
@$(MKCONFIG) $(@:_config=) arm arm720t lpc2292sodimm NULL lpc2292
+LPC2468_config: unconfig
+ @$(MKCONFIG) $(@:_config=) arm arm720t LPC2468 NULL lpc24xx
+
SMN42_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm720t SMN42 siemens lpc2292
diff --git a/arch/arm/cpu/arm720t/cpu.c b/arch/arm/cpu/arm720t/cpu.c
index 88c71bf..578358c 100644
--- a/arch/arm/cpu/arm720t/cpu.c
+++ b/arch/arm/cpu/arm720t/cpu.c
@@ -63,7 +63,9 @@ int cleanup_before_linux (void)
/* go to high speed */
IO_SYSCON3 = (IO_SYSCON3 & ~CLKCTL) | CLKCTL_73;
#endif
-#elif defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) ||
defined(CONFIG_LPC2292)
+#elif defined(CONFIG_NETARM) || defined(CONFIG_S3C4510B) ||\
+ defined(CONFIG_LPC2000)
+
disable_interrupts ();
/* Nothing more needed */
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
diff --git a/arch/arm/cpu/arm720t/interrupts.c
b/arch/arm/cpu/arm720t/interrupts.c
index eb8d425..2ef7101 100644
--- a/arch/arm/cpu/arm720t/interrupts.c
+++ b/arch/arm/cpu/arm720t/interrupts.c
@@ -30,6 +30,8 @@
#include <clps7111.h>
#include <asm/proc-armv/ptrace.h>
#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/immap.h>
#ifndef CONFIG_NETARM
/* we always count down the max. */
@@ -80,6 +82,14 @@ void do_irq (struct pt_regs *pt_regs)
pfnct = (void (*)(void))VICVectAddr;
(*pfnct)();
+#elif defined(CONFIG_LPC2468)
+ void (*pfnct) (void);
+ vic_2468_t *vic = &(((immap_t *)CONFIG_SYS_IMMAP)->ahb.vic);
+
+ pfnct = (void (*)(void))(&(vic->vicaddr));
+
+ (*pfnct) ();
+
#else
#error do_irq() not defined for this CPU type
#endif
@@ -138,6 +148,10 @@ int arch_interrupt_init (void)
int timer_init (void)
{
+#if defined(CONFIG_LPC2468)
+ timer_2468_t *timer0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.timer0);
+#endif
+
#if defined(CONFIG_NETARM)
/* disable all interrupts */
IRQEN = 0;
@@ -191,6 +205,13 @@ int timer_init (void)
PUT32(T0MCR, 0);
PUT32(T0TC, 0);
PUT32(T0TCR, 1); /* enable timer0 */
+#elif defined(CONFIG_LPC2468)
+ writel (0, &(timer0->ir)); /*disable all timer0 interupts */
+ writel (0, &(timer0->tcr)); /*disable timer0 */
+ writel (CFG_SYS_CLK_FREQ / CONFIG_SYS_HZ - 1, &(timer0->pr));
+ writel (0, &(timer0->mcr));
+ writel (0, &(timer0->tc));
+ writel (1, &(timer0->tcr));
#else
#error No timer_init() defined for this CPU type
@@ -207,7 +228,8 @@ int timer_init (void)
*/
-#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) ||
defined(CONFIG_NETARM) || defined(CONFIG_ARMADILLO) ||
defined(CONFIG_LPC2292)
+#if defined(CONFIG_IMPA7) || defined(CONFIG_EP7312) ||
defined(CONFIG_NETARM) ||\
+ defined(CONFIG_ARMADILLO) || defined(CONFIG_LPC2000)
void reset_timer (void)
{
@@ -246,12 +268,29 @@ void __udelay (unsigned long usec)
void reset_timer_masked (void)
{
/* reset time */
+#if defined(CONFIG_LPC2468)
+ timer_2468_t *timer0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.timer0);
+ lastdec = readl(&(timer0->tc));
+#else
lastdec = READ_TIMER;
+#endif
timestamp = 0;
}
ulong get_timer_masked (void)
{
+#if defined(CONFIG_LPC2468)
+ timer_2468_t *timer0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.timer0);
+ ulong now = readl(&(timer0->tc));
+
+ if (lastdec <= now) {
+ /* normal mode */
+ timestamp += now - lastdec;
+ } else {
+ /* we have an overflow ... */
+ timestamp += now + TIMER_LOAD_VAL - lastdec;
+ }
+#else
ulong now = READ_TIMER;
if (lastdec >= now) {
@@ -261,6 +300,8 @@ ulong get_timer_masked (void)
/* we have an overflow ... */
timestamp += lastdec + TIMER_LOAD_VAL - now;
}
+#endif
+
lastdec = now;
return timestamp;
diff --git a/arch/arm/cpu/arm720t/lpc24xx/Makefile
b/arch/arm/cpu/arm720t/lpc24xx/Makefile
new file mode 100644
index 0000000..f091502
--- /dev/null
+++ b/arch/arm/cpu/arm720t/lpc24xx/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2000-2007
+# Wolfgang Denk, DENX Software Engineering, wd at 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 = $(obj)lib$(SOC).a
+
+COBJS = flash.o
+SOBJS = $(obj)iap_entry.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+# this MUST be compiled as thumb code!
+$(SOBJS):
+ $(CC) $(AFLAGS) -march=armv4t -c -o $(SOBJS) iap_entry.S
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/arm720t/lpc24xx/flash.c
b/arch/arm/cpu/arm720t/lpc24xx/flash.c
new file mode 100644
index 0000000..963bf6e
--- /dev/null
+++ b/arch/arm/cpu/arm720t/lpc24xx/flash.c
@@ -0,0 +1,236 @@
+/*
+ * (C) Copyright 2006 Embedded Artists AB <www.embeddedartists.com>
+ *
+ * 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/io.h>
+#include <asm/arch/immap.h>
+
+/* IAP commands use 32 bytes at the top of CPU internal sram, we
+ * use 512 bytes below that
+ */
+
+#define COPY_BUFFER_LOCATION 0x4000fde0
+
+#define IAP_LOCATION 0x7ffffff1
+#define IAP_CMD_PREPARE 50
+#define IAP_CMD_COPY 51
+#define IAP_CMD_ERASE 52
+#define IAP_CMD_CHECK 53
+#define IAP_CMD_ID 54
+#define IAP_CMD_VERSION 55
+#define IAP_CMD_COMPARE 56
+
+#define IAP_RET_CMD_SUCCESS 0
+
+static unsigned long command[5];
+static unsigned long result[2];
+
+extern void iap_entry (unsigned long *command, unsigned long *result);
+
+/*-----------------------------------------------------------------------
+ *
+ */
+int get_flash_sector (flash_info_t * info, ulong flash_addr)
+{
+ int i;
+
+ for (i = 1; i < (info->sector_count); i++) {
+ if (flash_addr < (info->start[i]))
+ break;
+ }
+
+ return (i - 1);
+}
+
+/*-----------------------------------------------------------------------
+ * This function assumes that flash_addr is aligned on 512 bytes boundary
+ * in flash. This function also assumes that prepare have been called
+ * for the sector in question.
+ */
+int lpc24xx_copy_buffer_to_flash (flash_info_t * info, ulong flash_addr)
+{
+ int first_sector;
+ int last_sector;
+
+ first_sector = get_flash_sector (info, flash_addr);
+ last_sector = get_flash_sector (info, flash_addr + 512 - 1);
+
+ /* prepare sectors for write */
+ command[0] = IAP_CMD_PREPARE;
+ command[1] = first_sector;
+ command[2] = last_sector;
+ iap_entry (command, result);
+ if (result[0] != IAP_RET_CMD_SUCCESS) {
+ printf ("IAP prepare failed\n");
+ return ERR_PROG_ERROR;
+ }
+
+ command[0] = IAP_CMD_COPY;
+ command[1] = flash_addr;
+ command[2] = COPY_BUFFER_LOCATION;
+ command[3] = 512;
+ command[4] = CFG_SYS_CLK_FREQ >> 10;
+ iap_entry (command, result);
+ if (result[0] != IAP_RET_CMD_SUCCESS) {
+ printf ("IAP copy failed\n");
+ return 1;
+ }
+
+ return 0;
+}
+
+int lpc24xx_flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ int flag;
+ int prot;
+ int sect;
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+ if (prot)
+ return ERR_PROTECTED;
+
+ flag = disable_interrupts ();
+
+ printf ("Erasing %d sectors starting at sector %2d.\n"
+ "This make take some time ... ", s_last - s_first + 1, s_first);
+
+ command[0] = IAP_CMD_PREPARE;
+ command[1] = s_first;
+ command[2] = s_last;
+ iap_entry (command, result);
+ if (result[0] != IAP_RET_CMD_SUCCESS) {
+ printf ("IAP prepare failed\n");
+ return ERR_PROTECTED;
+ }
+
+ command[0] = IAP_CMD_ERASE;
+ command[1] = s_first;
+ command[2] = s_last;
+ command[3] = CFG_SYS_CLK_FREQ >> 10;
+ iap_entry (command, result);
+ if (result[0] != IAP_RET_CMD_SUCCESS) {
+ printf ("IAP erase failed\n");
+ return ERR_PROTECTED;
+ }
+
+ if (flag)
+ enable_interrupts ();
+
+ return ERR_OK;
+}
+
+int lpc24xx_write_buff (flash_info_t * info, uchar * src, ulong addr,
ulong cnt)
+{
+ int first_copy_size;
+ int last_copy_size;
+ int first_block;
+ int last_block;
+ int nbr_mid_blocks;
+ sys_con_2468_t *sys_con=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.sys_con);
+ uchar memmap_value;
+ ulong i;
+ uchar *src_org;
+ uchar *dst_org;
+ int ret = ERR_OK;
+
+ src_org = src;
+ dst_org = (uchar *) addr;
+
+ first_block = addr / 512;
+ last_block = (addr + cnt) / 512;
+ nbr_mid_blocks = last_block - first_block - 1;
+
+ first_copy_size = 512 - (addr % 512);
+ last_copy_size = (addr + cnt) % 512;
+
+ debug ("\ncopy first block: (1) %lX -> %lX 0x200 bytes, "
+ "(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX 0x200 bytes\n",
+ (ulong) (first_block * 512),
+ (ulong) COPY_BUFFER_LOCATION,
+ (ulong) src,
+ (ulong) (COPY_BUFFER_LOCATION + 512 - first_copy_size),
+ first_copy_size,
+ (ulong) COPY_BUFFER_LOCATION, (ulong) (first_block * 512));
+
+ /* copy first block */
+ memcpy ((void *)COPY_BUFFER_LOCATION, (void *)(first_block * 512),
512);
+ memcpy ((void *)(COPY_BUFFER_LOCATION + 512 - first_copy_size),
+ src, first_copy_size);
+ lpc24xx_copy_buffer_to_flash (info, first_block * 512);
+ src += first_copy_size;
+ addr += first_copy_size;
+
+ /* copy middle blocks */
+ for (i = 0; i < nbr_mid_blocks; i++) {
+ debug ("copy middle block: %lX -> %lX 512 bytes, "
+ "%lX -> %lX 512 bytes\n",
+ (ulong) src,
+ (ulong) COPY_BUFFER_LOCATION,
+ (ulong) COPY_BUFFER_LOCATION, (ulong) addr);
+ memcpy ((void *)COPY_BUFFER_LOCATION, src, 512);
+ lpc24xx_copy_buffer_to_flash (info, addr);
+ src += 512;
+ addr += 512;
+ }
+
+ if (last_copy_size > 0) {
+ debug ("copy last block: (1) %lX -> %lX 0x200 bytes, "
+ "(2) %lX -> %lX 0x%X bytes, (3) %lX -> %lX x200 bytes\n",
+ (ulong) (last_block * 512),
+ (ulong) COPY_BUFFER_LOCATION,
+ (ulong) src,
+ (ulong) (COPY_BUFFER_LOCATION),
+ last_copy_size,
+ (ulong) COPY_BUFFER_LOCATION, (ulong) addr);
+ /* copy last block */
+ memcpy ((void *)COPY_BUFFER_LOCATION,
+ (void *)(last_block * 512), 512);
+ memcpy ((void *)COPY_BUFFER_LOCATION, src, last_copy_size);
+ lpc24xx_copy_buffer_to_flash (info, addr);
+ }
+
+ /* verify write */
+ memmap_value = readl(&(sys_con->memmap));
+
+ disable_interrupts ();
+
+ writel(01, &(sys_con->memmap)); /* we must make sure that
initial 64
+ bytes are taken from flash when we
+ do the compare */
+
+ for (i = 0; i < cnt; i++) {
+ if (*dst_org != *src_org) {
+ printf ("Write failed. Byte %lX differs\n", i);
+ ret = ERR_PROG_ERROR;
+ break;
+ }
+ dst_org++;
+ src_org++;
+ }
+
+ writel(memmap_value, &(sys_con->memmap));
+ enable_interrupts ();
+
+ return ret;
+}
diff --git a/arch/arm/cpu/arm720t/lpc24xx/iap_entry.S
b/arch/arm/cpu/arm720t/lpc24xx/iap_entry.S
new file mode 100644
index 0000000..c31d519
--- /dev/null
+++ b/arch/arm/cpu/arm720t/lpc24xx/iap_entry.S
@@ -0,0 +1,7 @@
+IAP_ADDRESS: .word 0x7FFFFFF1
+
+.globl iap_entry
+iap_entry:
+ ldr r2, IAP_ADDRESS
+ bx r2
+ mov pc, lr
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index 022b873..1b2e4bf 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -127,7 +127,7 @@ reset:
bl cpu_init_crit
#endif
-#ifdef CONFIG_LPC2292
+#if defined(CONFIG_LPC2000)
bl lowlevel_init
#endif
@@ -368,6 +368,12 @@ lock_loop:
ldr r0, VPBDIV_ADR
mov r1, #0x01 /* VPB clock is same as process clock */
str r1, [r0]
+#elif defined(CONFIG_LPC2468)
+ ldr r0, =0x40008000 /* 0x40000000 is internal SRAM,
+ * 0x4000FFFF is end of SRAM
+ */
+ mov sp,r0
+ sub sl,sp,#0x2000
#else
#error No cpu_init_crit() defined for current CPU type
#endif
@@ -383,7 +389,7 @@ lock_loop:
str r1, [r0]
#endif
-#ifndef CONFIG_LPC2292
+#if !defined(CONFIG_LPC2000)
mov ip, lr
/*
* before relocating, we have to setup RAM timing
@@ -601,7 +607,7 @@ reset_cpu:
* on external peripherals such as watchdog timers, etc. */
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* No specific reset actions for IntegratorAP/CM720T as yet */
-#elif defined(CONFIG_LPC2292)
+#elif defined(CONFIG_LPC2000)
.align 5
.globl reset_cpu
reset_cpu:
diff --git a/arch/arm/include/asm/arch-lpc24xx/hardware.h
b/arch/arm/include/asm/arch-lpc24xx/hardware.h
new file mode 100644
index 0000000..b42746e
--- /dev/null
+++ b/arch/arm/include/asm/arch-lpc24xx/hardware.h
@@ -0,0 +1,32 @@
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+/*
+ * Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
+ * Curt Brune <curt at cucy.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
+ */
+
+#if defined(CONFIG_LPC2468)
+#else
+#error No hardware file defined for this configuration
+#endif
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-lpc24xx/immap.h
b/arch/arm/include/asm/arch-lpc24xx/immap.h
new file mode 100644
index 0000000..02efb5f
--- /dev/null
+++ b/arch/arm/include/asm/arch-lpc24xx/immap.h
@@ -0,0 +1,532 @@
+/*
+ * (C) Copyright 2009 Duran Audio B.V.
+ *
+ * LPC2468 Internal Memory Map
+ *
+ * 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
+ *
+ */
+
+#ifndef __LPC24XX_IMMAP_H
+#define __LPC24XX_IMMAP_H
+
+#include <asm/types.h>
+#include <config.h>
+
+#if defined(CONFIG_LPC2468)
+
+typedef struct watchdog_2468 {
+ u8 fixme[0x4000];
+} watchdog2468_t;
+
+typedef struct timer_2468 {
+ u32 ir; /* Interrupt register */
+ u32 tcr; /* Timer control register */
+ u32 tc; /* Timer counter */
+ u32 pr; /* Prescale register */
+ u32 pc; /* Prescale counter */
+ u32 mcr; /* Match control register */
+ u32 mr0; /* Match register 0 */
+ u32 mr1; /* Match register 1 */
+ u32 mr2; /* Match register 2 */
+ u32 mr3; /* Match register 3 */
+ u32 ccr; /* Capture control register */
+ u32 cr0; /* Capture register 0 */
+ u32 cr1; /* Capture register 1 */
+ u32 cr2; /* Capture register 2 */
+ u32 cr3; /* Capture register 3 */
+ u32 emr; /* External match register */
+ u32 ctcr; /* Count control register */
+ u8 notused[0x3fbc];
+} timer_2468_t;
+
+/*These two UART structs can probably be combined*/
+typedef struct uart_2468 {
+ u32 rbr_thr_dll; /*Receive buffer/transmit holding/divisor latch
lsb register */
+ u32 ier_dlm; /*Interrupt enable/divisor latch msb register */
+ u32 iir_fcr; /*Interrupt ID/FIFO control register */
+ u32 lcr; /* Line control register */
+ u32 notused1;
+ u32 lsr; /*Line status register */
+ u32 notused2;
+ u32 scr; /*Scratch pad register */
+ u32 acr; /*Auto-baud control register */
+ u32 icr; /*IrDA control register */
+ u32 fdr; /*Fractional division register */
+ u32 notused3;
+ u32 ter; /* Transmit enable register */
+ u8 notused[0x3fcc];
+} uart_2468_t;
+
+typedef struct uart1_2468 {
+ u8 fixme[0x4000];
+} uart1_2468_t;
+
+typedef struct pwm0_2468 {
+ u8 fixme[0x4000];
+} pwm0_2468_t;
+
+typedef struct pwm1_2468 {
+ u8 fixme[0x4000];
+} pwm1_2468_t;
+
+typedef struct i2c0_2468 {
+ u8 fixme[0x4000];
+} i2c0_2468_t;
+
+typedef struct spi_2468 {
+ u8 fixme[0x4000];
+} spi_2468_t;
+
+typedef struct rtc_2468 {
+ u8 fixme[0x4000];
+} rtc_2468_t;
+
+typedef struct gpio_2468 {
+ u32 iopin0;
+ u32 ioset0;
+ u32 iodir0;
+ u32 ioclr0;
+ u32 iopin1;
+ u32 ioset1;
+ u32 iodir1;
+ u32 ioclr1;
+ u8 notused[0x3fe0];
+} gpio_2468_t;
+
+typedef struct pin_connect_2468 {
+ u32 pinsel0; /*Pin function select register*/
+ u32 pinsel1;
+ u32 pinsel2;
+ u32 pinsel3;
+ u32 pinsel4;
+ u32 pinsel5;
+ u32 pinsel6;
+ u32 pinsel7;
+ u32 pinsel8;
+ u32 pinsel9;
+ u32 pinsel10;
+ u32 pinsel11;
+ u32 pinmode0; /*Pin mode select register*/
+ u32 pinmode1;
+ u32 pinmode2;
+ u32 pinmode3;
+ u32 pinmode4;
+ u32 pinmode5;
+ u32 pinmode6;
+ u32 pinmode7;
+ u32 pinmode8;
+ u32 pinmode9;
+ u8 notused[0x3fa8];
+} pin_connect_2468_t;
+
+typedef struct ssp1_2468 {
+ u8 fixme[0x4000];
+} ssp1_2468_t;
+
+typedef struct adc_2468 {
+ u8 fixme[0x4000];
+} adc_2468_t;
+
+typedef struct can_accept_ram_2468 {
+ u8 fixme[0x4000];
+} can_accept_ram_2468_t;
+
+typedef struct can_accept_filter_2468 {
+ u8 fixme[0x4000];
+} can_accept_filter_2468_t;
+
+typedef struct can_common_2468 {
+ u8 fixme[0x4000];
+} can_common_2468_t;
+
+typedef struct can1_2468 {
+ u8 fixme[0x4000];
+} can1_2468_t;
+
+typedef struct can2_2468 {
+ u8 fixme[0x4000];
+} can2_2468_t;
+
+typedef struct i2c1_2468 {
+ u8 fixme[0x4000];
+} i2c1_2468_t;
+
+typedef struct ssp0_2468 {
+ u8 fixme[0x4000];
+} ssp0_2468_t;
+
+typedef struct dac_2468 {
+ u8 fixme[0x4000];
+} dac_2468_t;
+
+typedef struct i2c2_2468 {
+ u8 fixme[0x4000];
+} i2c2_2468_t;
+
+typedef struct batt_ram_2468 {
+ u8 fixme[0x4000];
+} batt_ram_2468_t;
+
+typedef struct i2s_2468 {
+ u8 fixme[0x4000];
+} i2s_2468_t;
+
+typedef struct mmc_2468 {
+ u8 fixme[0x4000];
+} mmc_2468_t;
+
+typedef struct sys_con_2468 { // c000
+ u32 mamcr; /*Memory Accelerator configuration register*/
+ u32 mamtim; /*Memory Accelerator timing register*/
+ u8 notused1[0x38];
+ u32 memmap; /*Memory mapping control register c040*/
+ u8 notused2[0x3c];
+ u32 pllcon; /*PLL control register c080*/
+ u32 pllcfg; /*PLL configuration register c084*/
+ u32 pllstat; /*PLL status register c088*/
+ u32 pllfeed; /*PLL feed register c08c*/
+ u8 notused3[0x30];
+ u32 pcon; /*Power control register c0c0*/
+ u32 pconp; /*Power control for peripherals register c0c4*/
+ u8 notused4[0x3c];
+ u32 cclkcfg; /*CPU clock configuration register c104*/
+ u32 usbclkcfg; /*USB clock configuration register c108*/
+ u32 clksrcsel; /*Clock source select register c10c*/
+ u8 notused5[0x30];
+ u32 extint; /*External interrupt flag register c140*/
+ u32 intwake; /*Interrupt wakeup register c144*/
+ u32 extmode; /*External interrupt mode resgister c148*/
+ u32 extpolar; /*External interrupt polarity register c14c*/
+ u8 notused6[0x30];
+ u32 rsid; /*Reset source identification register c180*/
+ u32 cspr; /*Code security protection register c184*/
+ u8 notused7[0x18];
+ u32 scs; /*System control and status register c1a0*/
+ u32 irctrim; /*IRC trim register c1a4*/
+ u32 pclksel0; /*Peripheral clock selection register 0 c1a8*/
+ u32 pclksel1; /*Peripheral clock selection register 1 c1ac*/
+ u8 notused8[0x3e50];
+} sys_con_2468_t;
+
+
+typedef struct mac_2468 {
+ u32 mac1; /* MAC configuration register 1 */
+ u32 mac2; /* MAC configuration register 2 */
+ u32 ipgt; /* Back-to-back Inter-Packet-Gap register */
+ u32 ipgr; /* Non Back-to-back Inter-Packet-Gap register */
+ u32 clrt; /* Collision window/Retry register */
+ u32 maxf; /* Maximum frame register */
+ u32 supp; /* PHY support register */
+ u32 test; /* Test register */
+ u32 mcfg; /* MII mgmt Configuration register */
+ u32 mcmd; /* MII mgmt Command register */
+ u32 madr; /* MII mgmt Address register */
+ u32 mwtd; /* MII mgmt Write data register */
+ u32 mrdd; /* MII mgmt Read data register */
+ u32 mind; /* MII mgmt Indicators register */
+ u8 reserved1[0x8];
+ u32 sa0; /* Station Address 0 register */
+ u32 sa1; /* Station Address 1 register */
+ u32 sa2; /* Station Address 2 register */
+ u8 reserved2[0xb4];
+ u32 command; /* Command register */
+ u32 status; /* Status register */
+ u32 rxdescriptor; /* Receive descriptor base address register */
+ u32 rxstatus; /* Receive status base address register */
+ u32 rxdescriptornumber; /* Receive number of descriptors register */
+ u32 rxproduceindex; /* Receive produce index register */
+ u32 rxconsumeindex; /* Receive consume index register */
+ u32 txdescriptor; /* Transmit descriptor base address register */
+ u32 txstatus; /* Transmit status base address register */
+ u32 txdescriptornumber; /* Transmit number of descriptors register */
+ u32 txproduceindex; /* Transmit produce index register */
+ u32 txconsumeindex; /* Transmite consume index register */
+ u8 reserved3[0x28];
+ u32 tsv0; /* Transmit status vector 0 register */
+ u32 tsv1; /* Transmit status vector 1 register */
+ u32 rsv; /* Receive status vector register */
+ u8 reserved4[0xc];
+ u32 flowcontrolcounter; /*Flow control counter register */
+ u32 flowcontrolstatus; /* Flow control status register */
+ u8 reserved5[0x88];
+ u32 rxfilterctrl; /* Receive filter control register */
+ u32 rxfilterwolstatus; /* Receive filter WoL status register */
+ u32 rxfilterwolclear; /* Receive filter WoL clear register */
+ u8 reserved6[0x4];
+ u32 hashfilterL; /* Hash filter LSBs register */
+ u32 hashfilterH; /* Hash filter MSBs register */
+ u8 reserved7[0xdc8];
+ u32 intstatus; /* Interrupt status register */
+ u32 intenable; /* Interrupt enable register */
+ u32 intclear; /* Interrupt clear register */
+ u32 intset; /* Interrupt set register */
+ u8 reserved8[0x4];
+ u32 powerdown; /* Powerdown register */
+ u8 notused[0x3008];
+} mac_2468_t;
+
+typedef struct gpdma__2468 {
+ u8 fixme[0x4000];
+} gpdma_2468_t;
+
+typedef struct ext_mem_2468 {
+ u32 control; /*Controls operation of the memory controller*/
+ u32 status; /*Provides EMC status*/
+ u32 config; /*Configures operation of the memorycontroller*/
+ u8 notused1[0x14];
+ u32 dyncontrol; /*Controls dynamic memory operation*/
+ u32 dynrefresh; /*Configures dynamic refresh operation*/
+ u32 dynreadconfig; /*Configures the dynamic memory read strategy*/
+ u32 notused2;
+ u32 dynrp; /*Selects the precharge command period*/
+ u32 dynras; /*Selects the active to precharge command period*/
+ u32 dynsrex; /*Selects the self-refresh time*/
+ u32 dynapr; /*Selects the last-data-out to active command time*/
+ u32 dyndal; /*Selects the data-in to active command time*/
+ u32 dynwr; /*Selects the write recovery time*/
+ u32 dynrc; /*Selects the active to active command period*/
+ u32 dynrfc; /*Selects the auto-refresh period*/
+ u32 dynxsr; /*Selects the exit self-refresh to active command time*/
+ u32 dynrrd; /*Selects the active ank A to active bank B latency*/
+ u32 dynmrd; /*Selects the load mode register to active command time*/
+ u8 notused3[0xa4];
+ u32 dynconfig0; /*Configuration information for dyn memory CS 0*/
+ u32 dynrascas0; /*Selects the RAs and CAS latency fos CS 0*/
+ u8 notused4[0x18];
+ u32 dynconfig1; /*Configuration information for dyn memory CS 1*/
+ u32 dynrascas1; /*Selects the RAs and CAS latency fos CS 1*/
+ u8 notused5[0x18];
+ u32 dynconfig2; /*Configuration information for dyn memory CS 2*/
+ u32 dynrascas2; /*Selects the RAs and CAS latency fos CS 2*/
+ u8 notused6[0x18];
+ u32 dynconfig3; /*Configuration information for dyn memory CS 3*/
+ u32 dynrascas3; /*Selects the RAs and CAS latency fos CS 3*/
+ u8 notused7[0x98];
+ u32 statconfig0; /*Memory configuration for static CS 0*/
+ u32 statwaitwen0; /*Selects the delay from CS 0 to WE*/
+ u32 statwaitoen0; /*Selects the delay from CS 0 OE*/
+ u32 statwaitrd0; /*Selects the delay from CS 0 to a read access*/
+ u32 statwaitpage0; /*Selects the delay for async page mode for CS 0*/
+ u32 statwaitwr0; /*Selects the delay from CS 0 to a write access*/
+ u32 statwaitturn0; /*Selects the # of bus turnaround cycles for CS 0*/
+ u8 notused8[0x4];
+ u32 statconfig1; /*Memory configuration for static CS 1*/
+ u32 statwaitwen1; /*Selects the delay from CS 1 to WE*/
+ u32 statwaitoen1; /*Selects the delay from CS 1 OE*/
+ u32 statwaitrd1; /*Selects the delay from CS 1 to a read access*/
+ u32 statwaitpage1; /*Selects the delay for async page mode for CS 1*/
+ u32 statwaitwr1; /*Selects the delay from CS 1 to a write access*/
+ u32 statwaitturn1; /*Selects the # of bus turnaround cycles for CS 1*/
+ u8 notused9[0x4];
+ u32 statconfig2; /*Memory configuration for static CS 2*/
+ u32 statwaitwen2; /*Selects the delay from CS 2 to WE*/
+ u32 statwaitoen2; /*Selects the delay from CS 2 OE*/
+ u32 statwaitrd2; /*Selects the delay from CS 2 to a read access*/
+ u32 statwaitpage2; /*Selects the delay for async page mode for CS 2*/
+ u32 statwaitwr2; /*Selects the delay from CS 2 to a write access*/
+ u32 statwaitturn2; /*Selects the # of bus turnaround cycles for CS 2*/
+ u8 notused10[0x4];
+ u32 statconfig3; /*Memory configuration for static CS 3*/
+ u32 satwaitwen3; /*Selects the delay from CS 3 to WE*/
+ u32 statwaitoen3; /*Selects the delay from CS 3 OE*/
+ u32 statwaitrd3; /*Selects the delay from CS 3 to a read access*/
+ u32 statwaitpage3; /*Selects the delay for async page mode for CS 3*/
+ u32 statwaitwr3; /*Selects the delay from CS 3 to a write access*/
+ u32 statwaitturn3; /*Selects the # of bus turnaround cycles for CS 3*/
+ u8 notused11[0x604];
+ u32 extwait;
+ u8 notused12[0x377c];
+} ext_mem_2468_t;
+
+typedef struct usb_2468 {
+ u8 fixme[0x4000];
+} usb_2468_t;
+
+typedef struct lcd_2468 {
+ u8 fixme[0x4000];
+} lcd_2468_t;
+
+typedef struct vic_2468 {
+ u32 vicirqstat; /*IRQ status register */
+ u32 vicfiqstat; /*FIQ status register */
+ u32 vicrawintr; /*Raw interrupt status register */
+ u32 vicintselect; /*Interrupt select register */
+ u32 vicintenable; /*Interrupt enable register */
+ u32 vicinenclr; /*Interrupt enable clear register */
+ u32 vicsoftint; /*Software interrupt register */
+ u32 vicsoftintclr; /*Software interrupt clear register */
+ u32 vicprotect; /*Protection enable register */
+ u32 vicswpriomask; /*Software Priority Mask Register */
+ u8 notused1[0xd8];
+ u32 vicvectaddr0; /*Vector address register */
+ u32 vicvectaddr1;
+ u32 vicvectaddr2;
+ u32 vicvectaddr3;
+ u32 vicvectaddr4;
+ u32 vicvectaddr5;
+ u32 vicvectaddr6;
+ u32 vicvectaddr7;
+ u32 vicvectaddr8;
+ u32 vicvectaddr9;
+ u32 vicvectaddr10;
+ u32 vicvectaddr11;
+ u32 vicvectaddr12;
+ u32 vicvectaddr13;
+ u32 vicvectaddr14;
+ u32 vicvectaddr15;
+ u32 vicvectaddr16;
+ u32 vicvectaddr17;
+ u32 vicvectaddr18;
+ u32 vicvectaddr19;
+ u32 vicvectaddr20;
+ u32 vicvectaddr21;
+ u32 vicvectaddr22;
+ u32 vicvectaddr23;
+ u32 vicvectaddr24;
+ u32 vicvectaddr25;
+ u32 vicvectaddr26;
+ u32 vicvectaddr27;
+ u32 vicvectaddr28;
+ u32 vicvectaddr29;
+ u32 vicvectaddr30;
+ u32 vicvectaddr31;
+ u8 notused2[0x7f];
+ u32 vicvectprio0; /*Vector priority register */
+ u32 vicvectprio1;
+ u32 vicvectprio2;
+ u32 vicvectprio3;
+ u32 vicvectprio4;
+ u32 vicvectprio5;
+ u32 vicvectprio6;
+ u32 vicvectprio7;
+ u32 vicvectprio8;
+ u32 vicvectprio9;
+ u32 vicvectprio10;
+ u32 vicvectprio11;
+ u32 vicvectprio12;
+ u32 vicvectprio13;
+ u32 vicvectprio14;
+ u32 vicvectprio15;
+ u32 vicvectprio16;
+ u32 vicvectprio17;
+ u32 vicvectprio18;
+ u32 vicvectprio19;
+ u32 vicvectprio20;
+ u32 vicvectprio21;
+ u32 vicvectprio22;
+ u32 vicvectprio23;
+ u32 vicvectprio24;
+ u32 vicvectprio25;
+ u32 vicvectprio26;
+ u32 vicvectprio27;
+ u32 vicvectprio28;
+ u32 vicvectprio29;
+ u32 vicvectprio30;
+ u32 vicvectprio31;
+ u8 notused3[0xc7f];
+ u32 vicaddr; /*Vector address register for active interrupt*/
+} vic_2468_t;
+
+typedef struct fastio_2468 {
+ u32 fio0dir; /*Fast IO 0 port direction register*/
+ u8 notused1[0xc];
+ u32 fio0mask; /*Fast IO 0 mask register*/
+ u32 fio0pin; /*Fast IO 0 pin value register*/
+ u32 fio0set; /*Fast IO 0 output set register*/
+ u32 fio0clr; /*Fast IO 0 output clear register*/
+ u32 fio1dir; /*Fast IO 1 port direction register*/
+ u8 notused2[0xc];
+ u32 fio1mask; /*Fast IO 1 mask register*/
+ u32 fio1pin; /*Fast IO 1 pin value register*/
+ u32 fio1set; /*Fast IO 1 output set register*/
+ u32 fio1clr; /*Fast IO 1 output clear register*/
+ u32 fio2dir; /*Fast IO 2 port direction register*/
+ u8 notused3[0xc];
+ u32 fio2mask; /*Fast IO 2 mask register*/
+ u32 fio2pin; /*Fast IO 2 pin value register*/
+ u32 fio2set; /*Fast IO 2 output set register*/
+ u32 fio2clr; /*Fast IO 2 output clear register*/
+ u32 fio3dir; /*Fast IO 3 port direction register*/
+ u8 notused4[0xc];
+ u32 fio3mask; /*Fast IO 3 mask register*/
+ u32 fio3pin; /*Fast IO 3 pin value register*/
+ u32 fio3set; /*Fast IO 3 output set register*/
+ u32 fio3clr; /*Fast IO 3 output clear register*/
+ u32 fio4dir; /*Fast IO 4 port direction register*/
+ u8 notused5[0xc];
+ u32 fio4mask; /*Fast IO 4 mask register*/
+ u32 fio4pin; /*Fast IO 4 pin value register*/
+ u32 fio4set; /*Fast IO 4 output set register*/
+ u32 fio4clr; /*Fast IO 4 output clear register*/
+} fastio_2468_t;
+
+typedef struct apb_2468 { /*Peripheral bus memory layout*/
+ watchdog2468_t watchdog;
+ timer_2468_t timer0;
+ timer_2468_t timer1;
+ uart_2468_t uart0;
+ uart1_2468_t uart1;
+ pwm0_2468_t pwm0;
+ pwm1_2468_t pwm1;
+ i2c0_2468_t i2c0;
+ spi_2468_t spi;
+ rtc_2468_t rtc;
+ gpio_2468_t gpio;
+ pin_connect_2468_t pin_connect;
+ ssp1_2468_t ssp1;
+ adc_2468_t adc;
+ can_accept_ram_2468_t can_accept_ram;
+ can_accept_filter_2468_t can_accept_filter;
+ can_common_2468_t can_comon;
+ can1_2468_t can1;
+ can2_2468_t can2;
+ u8 not_used1[0x10000];
+ i2c1_2468_t i2c1;
+ u8 notused2[0x8000];
+ ssp0_2468_t ssp0;
+ dac_2468_t dac;
+ timer_2468_t timer2;
+ timer_2468_t timer3;
+ uart_2468_t uart2;
+ uart_2468_t uart3;
+ i2c2_2468_t i2c2;
+ batt_ram_2468_t batt_ram;
+ i2s_2468_t i2s;
+ mmc_2468_t mmc;
+ u8 not_used3[0x16c000];
+ sys_con_2468_t sys_con;
+} apb_2468_t;
+
+typedef struct ahb_2468 { /*High-speed bus memory layout*/
+ mac_2468_t mac;
+ gpdma_2468_t gpdma;
+ ext_mem_2468_t ext_mem;
+ usb_2468_t usb;
+ lcd_2468_t lcd;
+ u8 notused1[0x1eb000];
+ vic_2468_t vic;
+} ahb_2468_t;
+
+typedef struct immap { /*LPC24xx memory layout*/
+ apb_2468_t apb; /*Peripheral bus*/
+ u8 res1[0x1fc00000];
+ ahb_2468_t ahb; /*High-speed bus*/
+} immap_t;
+
+#endif /*defined(CONFIG_LPC2468)*/
+
+#endif /*__LPC24XX_IMMAP.H */
diff --git a/arch/arm/include/asm/config.h b/arch/arm/include/asm/config.h
index b76fd8e..d462d20 100644
--- a/arch/arm/include/asm/config.h
+++ b/arch/arm/include/asm/config.h
@@ -24,4 +24,8 @@
/* Relocation to SDRAM works on all ARM boards */
#define CONFIG_RELOC_FIXUP_WORKS
+#if defined(CONFIG_LPC2292) || defined(CONFIG_LPC2468)
+#define CONFIG_LPC2000
+#endif
+
#endif
diff --git a/arch/arm/lib/eabi_compat.c b/arch/arm/lib/eabi_compat.c
index 86eacf1..eb3e26d 100644
--- a/arch/arm/lib/eabi_compat.c
+++ b/arch/arm/lib/eabi_compat.c
@@ -16,3 +16,8 @@ int raise (int signum)
printf("raise: Signal # %d caught\n", signum);
return 0;
}
+
+/* Dummy function to avoid linker complaints */
+void __aeabi_unwind_cpp_pr0(void)
+{
+};
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index c731bfb..05fd6c9 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -43,6 +43,7 @@ COBJS-$(CONFIG_IMX_SERIAL) += serial_imx.o
COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
COBJS-$(CONFIG_KS8695_SERIAL) += serial_ks8695.o
COBJS-$(CONFIG_LPC2292_SERIAL) += serial_lpc2292.o
+COBJS-$(CONFIG_LPC2468_SERIAL) += serial_lpc2468.o
COBJS-$(CONFIG_LH7A40X_SERIAL) += serial_lh7a40x.o
COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
COBJS-$(CONFIG_MXC_UART) += serial_mxc.o
diff --git a/drivers/serial/serial_lpc2468.c
b/drivers/serial/serial_lpc2468.c
new file mode 100644
index 0000000..4b8f241
--- /dev/null
+++ b/drivers/serial/serial_lpc2468.c
@@ -0,0 +1,119 @@
+/*
+ * (C) Copyright 2002-2004
+ * Wolfgang Denk, DENX Software Engineering, <wd at denx.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu at sysgo.de>
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw at its.tudelft.nl)
+ *
+ * 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/arch/immap.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void serial_setbrg (void)
+{
+ unsigned short divisor;
+ uart_2468_t *uart0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.uart0);
+
+ switch (gd->baudrate) {
+ case 1200:
+ case 9600:
+ case 19200:
+ case 38400:
+ case 57600:
+ case 115200:
+ divisor = CFG_SYS_CLK_FREQ / (gd->baudrate * 16);
+ break;
+ default:
+ hang ();
+ break;
+ }
+
+ /* init serial UART0 */
+ writeb (0, &(uart0->iir_fcr)); /* Disable RX and TX FIFOs */
+ writeb (0, &(uart0->lcr));
+ writeb (0, &(uart0->ier_dlm));
+ writeb (0x80, &(uart0->lcr)); /* DLAB=1 */
+ writeb ((unsigned char)(divisor & 0x00FF), &(uart0->rbr_thr_dll));
+ writeb ((unsigned char)(divisor >> 8),&(uart0->ier_dlm));
+ writeb (0x03, &(uart0->lcr)); /* 8N1, DLAB=0 */
+ writeb (0x7, &(uart0->iir_fcr)); /* Enable RX and TX FIFOs */
+}
+
+int serial_init (void)
+{
+ unsigned long pinsel0;
+ pin_connect_2468_t *pin_connect=
+ &(((immap_t *)CONFIG_SYS_IMMAP)->apb.pin_connect);
+
+ /*enable uart #0 pins in GPIO (P0.2 = TxD0, P0.3 = RxD0) */
+ pinsel0 = readl (&(pin_connect->pinsel0));
+ pinsel0 &= ~(0x000000f0);
+ pinsel0 |= 0x00000050;
+ writel (pinsel0, &(pin_connect->pinsel0));
+
+ serial_setbrg ();
+
+ return (0);
+}
+
+void serial_putc (const char c)
+{
+ uart_2468_t *uart0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.uart0);
+
+ if (c == '\n') {
+ /* Wait for empty U0THR */
+ while ((readb (&(uart0->lsr)) & (1 << 5)) == 0) ;
+ writeb ('\r', &(uart0->rbr_thr_dll));
+ }
+ /* Wait for empty U0THR */
+ while ((readb (&(uart0->lsr)) & (1 << 5)) == 0) ;
+ writeb (c, &(uart0->rbr_thr_dll));
+}
+
+int serial_getc (void)
+{
+ uart_2468_t *uart0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.uart0);
+
+ while ((readb (&(uart0->lsr)) & 1) == 0) ;
+ return readb (&(uart0->rbr_thr_dll));
+}
+
+void serial_puts (const char *s)
+{
+ while (*s) {
+ serial_putc (*s++);
+ }
+}
+
+/* Test if there is a byte to read */
+int serial_tstc (void)
+{
+ uart_2468_t *uart0=&(((immap_t *)CONFIG_SYS_IMMAP)->apb.uart0);
+
+ return (readb (&(uart0->lsr)) & 1);
+}
diff --git a/include/flash.h b/include/flash.h
index 8feca1b..35c9fe5 100644
--- a/include/flash.h
+++ b/include/flash.h
@@ -345,6 +345,7 @@ extern flash_info_t *flash_get_info(ulong base);
#define TOSH_ID_FVT160 0xC2 /* TC58FVT160 ID (16 M, top )
*/
#define TOSH_ID_FVB160 0x43 /* TC58FVT160 ID (16 M, bottom
) */
#define PHILIPS_LPC2292 0x0401FF13 /* LPC2292 internal FLASH
*/
+#define PHILIPS_LPC2468 0x0603FF35 /* LPC2468 internal flash */
/*-----------------------------------------------------------------------
* Internal FLASH identification codes
--
1.7.0.4
More information about the U-Boot
mailing list