Support for Artila M-501 starter kit

Kimmo Leppala / Sysart and
Timo Tuunainen / Sysart

7 files changed, 767 insertions, 0 deletions

diff --git a/board/m501sk/Makefile b/board/m501sk/Makefile
new file mode 100644
index 0000000..da7987b
--- /dev/null
+++ b/board/m501sk/Makefile
@@ -0,0 +1,48 @@
+#
+# (C) Copyright 2003
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB    = lib$(BOARD).a
+
+OBJS   := m501sk.o eeprom.o
+
+SOBJS  := memsetup.o
+
+$(LIB):	$(OBJS) $(SOBJS)
+	$(AR) crv $@ $(OBJS) $(SOBJS)
+
+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/m501sk/config.mk b/board/m501sk/config.mk
new file mode 100644
index 0000000..9ce161e
--- /dev/null
+++ b/board/m501sk/config.mk
@@ -0,0 +1 @@
+TEXT_BASE = 0x21f00000
diff --git a/board/m501sk/eeprom.c b/board/m501sk/eeprom.c
new file mode 100644
index 0000000..d86392f
--- /dev/null
+++ b/board/m501sk/eeprom.c
@@ -0,0 +1,102 @@
+/*
+ * Add by Alan Lu, 07-29-2005
+ * For ATMEL AT24C16 EEPROM
+ *
+ * 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 <i2c.h>
+#ifdef CFG_EEPROM_AT24C16
+#undef DEBUG
+
+void eeprom_init(void)
+{
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
+	i2c_init(CFG_I2C_SPEED, CFG_I2C_SLAVE);
+#endif
+}
+
+int eeprom_read(unsigned dev_addr, unsigned offset, uchar *buffer,
+			unsigned cnt)
+{
+	int page, count = 0, i = 0;
+	page = offset / 0x100;
+	i = offset % 0x100;
+
+	while (count < cnt) {
+		if (i2c_read(dev_addr|page, i++, 1, buffer+count++, 1) != 0)
+			return 1;
+		if (i > 0xff) {
+			page++;
+			i = 0;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * for CFG_I2C_EEPROM_ADDR_LEN == 2 (16-bit EEPROM address) offset is
+ *   0x000nxxxx for EEPROM address selectors at n, offset xxxx in EEPROM.
+ *
+ * for CFG_I2C_EEPROM_ADDR_LEN == 1 (8-bit EEPROM page address) offset is
+ *   0x00000nxx for EEPROM address selectors and page number at n.
+ */
+int eeprom_write(unsigned dev_addr, unsigned offset, uchar *buffer,
+			unsigned cnt)
+{
+	int page, i = 0, count = 0;
+
+	page = offset / 0x100;
+	i = offset % 0x100;
+
+	while (count < cnt) {
+		if (i2c_write(dev_addr|page, i++, 1, buffer+count++, 1) != 0)
+			return 1;
+		if (i > 0xff) {
+			page++;
+			i = 0;
+		}
+	}
+
+#if defined(CFG_EEPROM_PAGE_WRITE_DELAY_MS)
+	udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+#endif
+
+	return 0;
+}
+
+#ifndef CONFIG_SPI
+int eeprom_probe(unsigned dev_addr, unsigned offset)
+{
+	unsigned char chip;
+
+	/* Probe the chip address */
+#if CFG_I2C_EEPROM_ADDR_LEN == 1 && !defined(CONFIG_SPI_X)
+	chip = offset >> 8; /* block number */
+#else
+	chip = offset >> 16; /* block number */
+#endif /* CFG_I2C_EEPROM_ADDR_LEN, CONFIG_SPI_X */
+
+	chip |= dev_addr; /* insert device address */
+	return (i2c_probe(chip));
+}
+#endif
+#endif
diff --git a/board/m501sk/m501sk.c b/board/m501sk/m501sk.c
new file mode 100644
index 0000000..65a8b29
--- /dev/null
+++ b/board/m501sk/m501sk.c
@@ -0,0 +1,194 @@
+/*
+ * (C) Copyright 2008
+ * Based on modifications by Alan Lu / Artila
+ * Author : Timo Tuunainen / Sysart
+			Kimmo Leppala / Sysart
+ *
+ * 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 <at91rm9200_net.h>
+#include <dm9161.h>
+#include "m501sk.h"
+#include "net.h"
+
+#ifdef CONFIG_M501SK
+
+void m501sk_gpio_init(void)
+{
+	AT91C_BASE_PIOD->PIO_PER = 1 << (M501SK_DEBUG_LED1 - 96) |
+		1 << (M501SK_DEBUG_LED2 - 96) | 1 << (M501SK_DEBUG_LED3 - 96) |
+		1 << (M501SK_DEBUG_LED4 - 96) | 1 << (M501SK_READY_LED - 96);
+
+	AT91C_BASE_PIOD->PIO_OER = 1 << (M501SK_DEBUG_LED1 - 96) |
+		1 << (M501SK_DEBUG_LED2 - 96) | 1 << (M501SK_DEBUG_LED3 - 96) |
+		1 << (M501SK_DEBUG_LED4 - 96) | 1 << (M501SK_READY_LED - 96);
+
+	AT91C_BASE_PIOD->PIO_SODR = 1 << (M501SK_READY_LED - 96);
+	AT91C_BASE_PIOD->PIO_CODR = 1 << (M501SK_DEBUG_LED3 - 96);
+	AT91C_BASE_PIOB->PIO_PER = 1 << (M501SK_BUZZER - 32);
+	AT91C_BASE_PIOB->PIO_OER = 1 << (M501SK_BUZZER - 32);
+	AT91C_BASE_PIOC->PIO_PDR = (1 << 7) | (1 << 8);
+
+	/* Power OFF all USART's LEDs */
+	AT91C_BASE_PIOA->PIO_PER = AT91C_PA5_TXD3 | AT91C_PA6_RXD3 |
+		AT91C_PA17_TXD0 | AT91C_PA18_RXD0 | AT91C_PA22_RXD2 | \
+		AT91C_PA23_TXD2;
+
+	AT91C_BASE_PIOA->PIO_OER = AT91C_PA5_TXD3 | AT91C_PA6_RXD3 |
+		AT91C_PA17_TXD0 | AT91C_PA18_RXD0 | AT91C_PA22_RXD2 | \
+		AT91C_PA23_TXD2;
+
+	AT91C_BASE_PIOA->PIO_SODR = AT91C_PA5_TXD3 | AT91C_PA6_RXD3 |
+		AT91C_PA17_TXD0 | AT91C_PA18_RXD0 | AT91C_PA22_RXD2 | \
+		AT91C_PA23_TXD2;
+
+	AT91C_BASE_PIOB->PIO_PER = AT91C_PB20_RXD1 | AT91C_PB21_TXD1;
+	AT91C_BASE_PIOB->PIO_OER = AT91C_PB20_RXD1 | AT91C_PB21_TXD1;
+	AT91C_BASE_PIOB->PIO_SODR = AT91C_PB20_RXD1 | AT91C_PB21_TXD1;
+}
+
+uchar m501sk_gpio_set(M501SK_PIO io)
+{
+	uchar status = 0xff;
+	switch (io) {
+	case M501SK_DEBUG_LED1:
+	case M501SK_DEBUG_LED2:
+	case M501SK_DEBUG_LED3:
+	case M501SK_DEBUG_LED4:
+	case M501SK_READY_LED:
+		AT91C_BASE_PIOD->PIO_SODR = 1 << (io - 96);
+		status = AT91C_BASE_PIOD->PIO_ODSR & (1 << (io - 96));
+		break;
+	case M501SK_BUZZER:
+		AT91C_BASE_PIOB->PIO_SODR = 1 << (io - 32);
+		status = AT91C_BASE_PIOB->PIO_ODSR & (1 << (io - 32));
+		break;
+	}
+	return status;
+}
+
+uchar m501sk_gpio_clear(M501SK_PIO io)
+{
+	uchar status = 0xff;
+	switch (io) {
+	case M501SK_DEBUG_LED1:
+	case M501SK_DEBUG_LED2:
+	case M501SK_DEBUG_LED3:
+	case M501SK_DEBUG_LED4:
+	case M501SK_READY_LED:
+		AT91C_BASE_PIOD->PIO_CODR = 1 << (io - 96);
+		status = AT91C_BASE_PIOD->PIO_ODSR & (1 << (io - 96));
+		break;
+	case M501SK_BUZZER:
+		AT91C_BASE_PIOB->PIO_CODR = 1 << (io - 32);
+		status = AT91C_BASE_PIOB->PIO_ODSR & (1 << (io - 32));
+		break;
+	}
+	return status;
+}
+
+void load_sernum_ethaddr(void)
+{
+	return;
+}
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	/* Enable Ctrlc */
+	console_init_f();
+
+	/* Correct IRDA resistor problem */
+	/* Set PA23_TXD in Output */
+	((AT91PS_PIO)AT91C_BASE_PIOA)->PIO_OER = AT91C_PA23_TXD2;
+
+	/* memory and cpu-speed are setup before relocation */
+	/* so we do _nothing_ here */
+	gd->bd->bi_arch_number = MACH_TYPE_M501;
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+	m501sk_gpio_init();
+
+	/* Do interrupt init here, because flash needs timers */
+	interrupt_init();
+	flash_init();
+
+	return 0;
+}
+
+int dram_init(void)
+{
+	int i = 0;
+	gd->bd->bi_dram[0].start = PHYS_SDRAM;
+	gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE;
+
+	for (i = 0; i < 500; i++) {
+		m501sk_gpio_clear(M501SK_DEBUG_LED3);
+		m501sk_gpio_clear(M501SK_BUZZER);
+		udelay(250);
+		m501sk_gpio_set(M501SK_DEBUG_LED3);
+		m501sk_gpio_set(M501SK_BUZZER);
+		udelay(80);
+	}
+	m501sk_gpio_clear(M501SK_BUZZER);
+	m501sk_gpio_clear(M501SK_DEBUG_LED3);
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+#if defined(CONFIG_CMD_NET)
+	eth_init(gd->bd);
+	eth_halt();
+#endif
+
+	/* Protect U-Boot, kernel & ramdisk memory addresses */
+	run_command("protect on 10000000 1041ffff", 0);
+	return 0;
+}
+
+#ifdef CONFIG_DRIVER_ETHER
+#if defined(CONFIG_CMD_NET)
+/*
+ * Name:
+ *     at91rm9200_GetPhyInterface
+ * Description:
+ *     Initialise the interface functions to the PHY
+ * Arguments:
+ *     None
+ * Return value:
+ *     None
+ */
+void at91rm9200_GetPhyInterface(AT91PS_PhyOps p_phyops)
+{
+	p_phyops->Init = dm9161_InitPhy;
+	p_phyops->IsPhyConnected = dm9161_IsPhyConnected;
+	p_phyops->GetLinkSpeed = dm9161_GetLinkSpeed;
+	p_phyops->AutoNegotiate = dm9161_AutoNegotiate;
+}
+#endif /* CONFIG_CMD_NET */
+#endif /* CONFIG_DRIVER_ETHER */
+#endif /* CONFIG_M501SK */
diff --git a/board/m501sk/m501sk.h b/board/m501sk/m501sk.h
new file mode 100644
index 0000000..42a6757
--- /dev/null
+++ b/board/m501sk/m501sk.h
@@ -0,0 +1,167 @@
+/*
+ * linux/include/asm-arm/arch-at91/hardware.h
+ *
+ *  Copyright (C) 2003 SAN People
+ *
+ * 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 __M501SK_H
+#define __M501SK_H
+
+#ifndef __ASSEMBLY__
+#include <asm-arm/arch-at91rm9200/AT91RM9200.h>
+#else
+#include <asm-arm/arch-at91rm9200/AT91RM9200_inc.h>
+#endif
+
+#define AT91C_PIO_PA22 ((unsigned int) 1 << 22) /* Pin Controlled by PA22 */
+#define AT91C_PA22_RXD2 ((unsigned int) AT91C_PIO_PA22) /* USART 2 RxD */
+#define AT91C_PA5_TXD3 ((unsigned int) 1 <<  5) /* USART 3 TxD */
+#define AT91C_PA6_RXD3 ((unsigned int) 1 << 6) /* USART 3 RxD */
+
+/* ========== Register definition for PIOD peripheral ========== */
+#define AT91C_PIOD_PDSR ((AT91_REG *) 0xFFFFFA3C) /* Pin Data stat Reg */
+#define AT91C_PIOD_CODR ((AT91_REG *) 0xFFFFFA34) /* Clear Output Data Reg */
+#define AT91C_PIOD_OWER ((AT91_REG *) 0xFFFFFAA0) /* Output Write Enable Reg */
+#define AT91C_PIOD_MDER ((AT91_REG *) 0xFFFFFA50) /* Multi-driver Enable Reg */
+#define AT91C_PIOD_IMR  ((AT91_REG *) 0xFFFFFA48) /* Interrupt Mask Reg */
+#define AT91C_PIOD_IER  ((AT91_REG *) 0xFFFFFA40) /* Interrupt Enable Reg */
+#define AT91C_PIOD_ODSR ((AT91_REG *) 0xFFFFFA38) /* Output Data stat Reg */
+#define AT91C_PIOD_SODR ((AT91_REG *) 0xFFFFFA30) /* Set Output Data Reg */
+#define AT91C_PIOD_PER  ((AT91_REG *) 0xFFFFFA00) /* PIO Enable Reg */
+#define AT91C_PIOD_OWDR ((AT91_REG *) 0xFFFFFAA4) /* Output Write Disable Reg */
+#define AT91C_PIOD_PPUER ((AT91_REG *) 0xFFFFFA64) /* Pull-up Enable Reg */
+#define AT91C_PIOD_MDDR ((AT91_REG *) 0xFFFFFA54) /* Multi-driver Disable Reg */
+#define AT91C_PIOD_ISR  ((AT91_REG *) 0xFFFFFA4C) /* Interrupt stat Reg */
+#define AT91C_PIOD_IDR  ((AT91_REG *) 0xFFFFFA44) /* Interrupt Disable Reg */
+#define AT91C_PIOD_PDR  ((AT91_REG *) 0xFFFFFA04) /* PIO Disable Reg */
+#define AT91C_PIOD_ODR  ((AT91_REG *) 0xFFFFFA14) /* Output Disable Regr */
+#define AT91C_PIOD_OWSR ((AT91_REG *) 0xFFFFFAA8) /* Output Write stat Reg */
+#define AT91C_PIOD_ABSR ((AT91_REG *) 0xFFFFFA78) /* AB Select stat Reg */
+#define AT91C_PIOD_ASR  ((AT91_REG *) 0xFFFFFA70) /* Select A Reg */
+#define AT91C_PIOD_PPUSR ((AT91_REG *) 0xFFFFFA68) /* Pad Pull-up stat Reg */
+#define AT91C_PIOD_PPUDR ((AT91_REG *) 0xFFFFFA60) /* Pull-up Disable Reg */
+#define AT91C_PIOD_MDSR ((AT91_REG *) 0xFFFFFA58) /* Multi-driver stat Reg */
+#define AT91C_PIOD_PSR  ((AT91_REG *) 0xFFFFFA08) /* PIO stat Reg */
+#define AT91C_PIOD_OER  ((AT91_REG *) 0xFFFFFA10) /* Output Enable Reg */
+#define AT91C_PIOD_OSR  ((AT91_REG *) 0xFFFFFA18) /* Output stat Reg */
+#define AT91C_PIOD_IFER ((AT91_REG *) 0xFFFFFA20) /* Input Filter Enable Reg */
+#define AT91C_PIOD_BSR  ((AT91_REG *) 0xFFFFFA74) /* Select B Reg */
+#define AT91C_PIOD_IFDR ((AT91_REG *) 0xFFFFFA24) /* Input Filter Disable Reg */
+#define AT91C_PIOD_IFSR ((AT91_REG *) 0xFFFFFA28) /* Input Filter stat Reg */
+
+#define AT91C_PIO_PD0   ((unsigned int) 1 <<  0) /* Pin Controlled by PD0 */
+#define AT91C_PD0_ETX0  ((unsigned int) AT91C_PIO_PD0) /*  Enet MAC Tx Data 0*/
+#define AT91C_PIO_PD1   ((unsigned int) 1 <<  1) /* Pin Controlled by PD1 */
+#define AT91C_PD1_ETX1  ((unsigned int) AT91C_PIO_PD1) /*  Enet MAC Tx Data 1*/
+#define AT91C_PIO_PD10  ((unsigned int) 1 << 10) /* Pin Controlled by PD10 */
+#define AT91C_PD10_PCK3 ((unsigned int) AT91C_PIO_PD10) /* PMC Prog Clk Oput 3*/
+#define AT91C_PD10_TPS1 ((unsigned int) AT91C_PIO_PD10) /* ETMARM9 pl stat1 */
+#define AT91C_PIO_PD11  ((unsigned int) 1 << 11) /* Pin Controlled by PD11 */
+#define AT91C_PD11_     ((unsigned int) AT91C_PIO_PD11) /*   */
+#define AT91C_PD11_TPS2 ((unsigned int) AT91C_PIO_PD11) /* ETMARM9 pl stat2 */
+#define AT91C_PIO_PD12  ((unsigned int) 1 << 12) /* Pin Controlled by PD12 */
+#define AT91C_PD12_     ((unsigned int) AT91C_PIO_PD12) /*   */
+#define AT91C_PD12_TPK0 ((unsigned int) AT91C_PIO_PD12) /* ETM Trace Pkt 0 */
+#define AT91C_PIO_PD13  ((unsigned int) 1 << 13) /* Pin Controlled by PD13 */
+#define AT91C_PD13_     ((unsigned int) AT91C_PIO_PD13) /*   */
+#define AT91C_PD13_TPK1 ((unsigned int) AT91C_PIO_PD13) /* ETM Trace Pkt 1 */
+#define AT91C_PIO_PD14  ((unsigned int) 1 << 14) /* Pin Controlled by PD14 */
+#define AT91C_PD14_     ((unsigned int) AT91C_PIO_PD14) /*   */
+#define AT91C_PD14_TPK2 ((unsigned int) AT91C_PIO_PD14) /* ETM Trace Pkt 2 */
+#define AT91C_PIO_PD15  ((unsigned int) 1 << 15) /* Pin Controlled by PD15 */
+#define AT91C_PD15_TD0  ((unsigned int) AT91C_PIO_PD15) /* SSC TxD */
+#define AT91C_PD15_TPK3 ((unsigned int) AT91C_PIO_PD15) /* ETM Trace Pkt 3 */
+#define AT91C_PIO_PD16  ((unsigned int) 1 << 16) /* Pin Controlled by PD16 */
+#define AT91C_PD16_TD1  ((unsigned int) AT91C_PIO_PD16) /* SSC TxD 1 */
+#define AT91C_PD16_TPK4 ((unsigned int) AT91C_PIO_PD16) /* ETM Trace Pkt 4 */
+#define AT91C_PIO_PD17  ((unsigned int) 1 << 17) /* Pin Controlled by PD17 */
+#define AT91C_PD17_TD2  ((unsigned int) AT91C_PIO_PD17) /* SSC TxD 2 */
+#define AT91C_PD17_TPK5 ((unsigned int) AT91C_PIO_PD17) /* ETM Trace Pkt 5 */
+#define AT91C_PIO_PD18  ((unsigned int) 1 << 18) /* Pin Controlled by PD18 */
+#define AT91C_PD18_NPCS1 ((unsigned int) AT91C_PIO_PD18) /*  SPI Perip CS 1 */
+#define AT91C_PD18_TPK6 ((unsigned int) AT91C_PIO_PD18) /* ETM Trace Pkt 6 */
+#define AT91C_PIO_PD19  ((unsigned int) 1 << 19) /* Pin Controlled by PD19 */
+#define AT91C_PD19_NPCS2 ((unsigned int) AT91C_PIO_PD19) /*  SPI Perip CS 2 */
+#define AT91C_PD19_TPK7 ((unsigned int) AT91C_PIO_PD19) /* ETM Trace Pkt 7 */
+#define AT91C_PIO_PD2   ((unsigned int) 1 <<  2) /* Pin Controlled by PD2 */
+#define AT91C_PD2_ETX2  ((unsigned int) AT91C_PIO_PD2) /*  Ethernet MAC TxD 2 */
+#define AT91C_PIO_PD20  ((unsigned int) 1 << 20) /* Pin Controlled by PD20 */
+#define AT91C_PD20_NPCS3 ((unsigned int) AT91C_PIO_PD20) /* SPI Perip CS 3 */
+#define AT91C_PD20_TPK8 ((unsigned int) AT91C_PIO_PD20) /* ETM Trace Pkt 8 */
+#define AT91C_PIO_PD21  ((unsigned int) 1 << 21) /* Pin Controlled by PD21 */
+#define AT91C_PD21_RTS0 ((unsigned int) AT91C_PIO_PD21) /* Usart 0 RTS */
+#define AT91C_PD21_TPK9 ((unsigned int) AT91C_PIO_PD21) /* ETM Trace Pkt 9 */
+#define AT91C_PIO_PD22  ((unsigned int) 1 << 22) /* Pin Controlled by PD22 */
+#define AT91C_PD22_RTS1 ((unsigned int) AT91C_PIO_PD22) /*  Usart 0 RTS */
+#define AT91C_PD22_TPK10 ((unsigned int) AT91C_PIO_PD22) /* ETM Trace Pkt 10 */
+#define AT91C_PIO_PD23  ((unsigned int) 1 << 23) /* Pin Controlled by PD23 */
+#define AT91C_PD23_RTS2 ((unsigned int) AT91C_PIO_PD23) /* USART 2 RTS */
+#define AT91C_PD23_TPK11 ((unsigned int) AT91C_PIO_PD23) /* ETM Trace Pkt 11 */
+#define AT91C_PIO_PD24  ((unsigned int) 1 << 24) /* Pin Controlled by PD24 */
+#define AT91C_PD24_RTS3 ((unsigned int) AT91C_PIO_PD24) /*  USART 3 RTS */
+#define AT91C_PD24_TPK12 ((unsigned int) AT91C_PIO_PD24) /* ETM Trace Pkt 12 */
+#define AT91C_PIO_PD25  ((unsigned int) 1 << 25) /* Pin Controlled by PD25 */
+#define AT91C_PD25_DTR1 ((unsigned int) AT91C_PIO_PD25) /* USART 1 DTR */
+#define AT91C_PD25_TPK13 ((unsigned int) AT91C_PIO_PD25) /* ETM Trace Pkt 13 */
+#define AT91C_PIO_PD26  ((unsigned int) 1 << 26) /* Pin Controlled by PD26 */
+#define AT91C_PD26_TPK14 ((unsigned int) AT91C_PIO_PD26) /* ETM Trace Pkt 14 */
+#define AT91C_PIO_PD27  ((unsigned int) 1 << 27) /* Pin Controlled by PD27 */
+#define AT91C_PD27_TPK15 ((unsigned int) AT91C_PIO_PD27) /* ETM Trace Pkt 15 */
+#define AT91C_PIO_PD3   ((unsigned int) 1 <<  3) /* Pin Controlled by PD3 */
+#define AT91C_PD3_ETX3  ((unsigned int) AT91C_PIO_PD3) /*  Enet MAC TxD 3 */
+#define AT91C_PIO_PD4   ((unsigned int) 1 <<  4) /* Pin Controlled by PD4 */
+#define AT91C_PD4_ETXEN ((unsigned int) AT91C_PIO_PD4) /* Enet MAC TxEn */
+#define AT91C_PIO_PD5   ((unsigned int) 1 <<  5) /* Pin Controlled by PD5 */
+#define AT91C_PD5_ETXER ((unsigned int) AT91C_PIO_PD5) /*  Enet MAC TxCE */
+#define AT91C_PIO_PD6   ((unsigned int) 1 <<  6) /* Pin Controlled by PD6 */
+#define AT91C_PD6_DTXD  ((unsigned int) AT91C_PIO_PD6) /* DBGU Debug TxD */
+#define AT91C_PIO_PD7   ((unsigned int) 1 <<  7) /* Pin Controlled by PD7 */
+#define AT91C_PD7_PCK0  ((unsigned int) AT91C_PIO_PD7) /* PMC Prog Clk Oput 0*/
+#define AT91C_PD7_TSYNC ((unsigned int) AT91C_PIO_PD7) /* ETM Sync signal */
+#define AT91C_PIO_PD8   ((unsigned int) 1 <<  8) /* Pin Controlled by PD8 */
+#define AT91C_PD8_PCK1  ((unsigned int) AT91C_PIO_PD8) /* PMC Prog Clk Oput 1*/
+#define AT91C_PD8_TCLK  ((unsigned int) AT91C_PIO_PD8) /* ETM Trace Clk sig */
+#define AT91C_PIO_PD9   ((unsigned int) 1 <<  9) /* Pin Controlled by PD9 */
+#define AT91C_PD9_PCK2  ((unsigned int) AT91C_PIO_PD9) /* PMC Prog Clk 2 */
+#define AT91C_PD9_TPS0  ((unsigned int) AT91C_PIO_PD9) /* ETM ARM9 pl stat0 */
+#define AT91C_PIO_PB6   ((unsigned int) 1 <<  6) /* Pin Controlled by PB6 */
+#define AT91C_PIO_PC5   ((unsigned int) 1 <<  5)
+#define AT91C_PIO_PC14  ((unsigned int) 1 <<  14) /* Pin Controlled by PC1 */
+#define AT91C_PIO_PC15  ((unsigned int) 1 <<  15) /* Pin Controlled by PC1 */
+#define AT91C_PIO_PA19  ((unsigned int) 1 <<  19) /* Pin Controlled by PC1 */
+#define AT91C_PIO_PB2   ((unsigned int) 1 <<  2) /* Pin Controlled by PC1 */
+#define AT91C_PIO_PB8   ((unsigned int) 1 <<  8)
+#define AT91C_PIO_PB9   ((unsigned int) 1 <<  9)
+#define AT91C_PIO_PB10  ((unsigned int) 1 <<  10)
+#define AT91C_PIO_PB11  ((unsigned int) 1 <<  11)
+#define AT91C_PIO_PB17  ((unsigned int) 1 <<  17)
+#define AT91C_PIO_PB28  ((unsigned int) 1 <<  28)
+#define AT91C_PIO_PB29  ((unsigned int) 1 <<  29)
+
+typedef enum {
+	M501SK_BUZZER = 38,
+	M501SK_DEBUG_LED1 = 96,
+	M501SK_DEBUG_LED2,
+	M501SK_DEBUG_LED3,
+	M501SK_DEBUG_LED4,
+	M501SK_READY_LED = 102,
+} M501SK_PIO;
+
+void m501sk_gpio_init(void);
+uchar m501sk_gpio_set(M501SK_PIO io);
+uchar m501sk_gpio_clear(M501SK_PIO io);
+
+#endif
diff --git a/board/m501sk/memsetup.S b/board/m501sk/memsetup.S
new file mode 100644
index 0000000..9e174b5
--- /dev/null
+++ b/board/m501sk/memsetup.S
@@ -0,0 +1,200 @@
+/*
+ * Memory Setup stuff - taken from blob memsetup.S
+ *
+ * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and
+ *	          Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl)
+ *
+ * Modified for the at91rm9200dk board by
+ * (C) Copyright 2004
+ * Gary Jennejohn, DENX Software Engineering, <garyj@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 <config.h>
+#include <version.h>
+
+#ifdef CONFIG_BOOTBINFUNC
+/*
+ * some parameters for the board
+ *
+ * This is based on rm9200dk.cfg for the BDI2000 from ABATRON which in
+ * turn is based on the boot.bin code from ATMEL
+ *
+ */
+
+/* flash */
+#define MC_PUIA 0xFFFFFF10
+#define MC_PUIA_VAL 0x00000000
+#define MC_PUP 0xFFFFFF50
+#define MC_PUP_VAL 0x00000000
+#define MC_PUER 0xFFFFFF54
+#define MC_PUER_VAL 0x00000000
+#define MC_ASR 0xFFFFFF04
+#define MC_ASR_VAL 0x00000000
+#define MC_AASR 0xFFFFFF08
+#define MC_AASR_VAL 0x00000000
+#define EBI_CFGR 0xFFFFFF64
+#define EBI_CFGR_VAL 0x00000000
+#define SMC2_CSR 0xFFFFFF70
+#define SMC2_CSR_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
+
+/* clocks */
+#define PLLAR 0xFFFFFC28
+#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
+#define PLLBR 0xFFFFFC2C
+#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
+#define MCKR 0xFFFFFC30
+/* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
+#define MCKR_VAL	0x00000202
+
+/* sdram */
+#define PIOC_ASR 0xFFFFF870
+#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as Perip (D16/D31) */
+#define PIOC_BSR 0xFFFFF874
+#define PIOC_BSR_VAL 0x00000000
+#define PIOC_PDR 0xFFFFF804
+#define PIOC_PDR_VAL 0xFFFF0000
+#define EBI_CSA 0xFFFFFF60
+#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
+#define SDRC_CR 0xFFFFFF98
+#define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
+#define SDRAM 0x20000000 /* address of the SDRAM */
+#define SDRAM1 0x20000080 /* address of the SDRAM */
+#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
+#define SDRC_MR 0xFFFFFF90
+#define SDRC_MR_VAL 0x00000002 /* Precharge All */
+#define SDRC_MR_VAL1 0x00000004 /* refresh */
+#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
+#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
+#define SDRC_TR 0xFFFFFF94
+#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
+
+_TEXT_BASE:
+	.word   TEXT_BASE
+
+.globl lowlevelinit
+lowlevelinit:
+	/* memory control configuration */
+	/* this isn't very elegant, but  what the heck */
+	ldr     r0, =SMRDATA
+	ldr     r1, _TEXT_BASE
+	sub     r0, r0, r1
+	add     r2, r0, #80
+0:
+	/* the address */
+	ldr     r1, [r0], #4
+	/* the value */
+	ldr     r3, [r0], #4
+	str     r3, [r1]
+	cmp     r2, r0
+	bne     0b
+	/* delay - this is all done by guess */
+	ldr     r0, =0x00010000
+1:
+	subs    r0, r0, #1
+	bhi     1b
+	ldr     r0, =SMRDATA1
+	ldr     r1, _TEXT_BASE
+	sub     r0, r0, r1
+	add     r2, r0, #176
+2:
+	/* the address */
+	ldr     r1, [r0], #4
+	/* the value */
+	ldr     r3, [r0], #4
+	str     r3, [r1]
+	cmp     r2, r0
+	bne     2b
+
+	/* everything is fine now */
+	mov     pc, lr
+
+	.ltorg
+
+SMRDATA:
+	.word MC_PUIA
+	.word MC_PUIA_VAL
+	.word MC_PUP
+	.word MC_PUP_VAL
+	.word MC_PUER
+	.word MC_PUER_VAL
+	.word MC_ASR
+	.word MC_ASR_VAL
+	.word MC_AASR
+	.word MC_AASR_VAL
+	.word EBI_CFGR
+	.word EBI_CFGR_VAL
+	.word SMC2_CSR
+	.word SMC2_CSR_VAL
+	.word PLLAR
+	.word PLLAR_VAL
+	.word PLLBR
+	.word PLLBR_VAL
+	.word MCKR
+	.word MCKR_VAL
+	/* SMRDATA is 80 bytes long */
+	/* here there's a delay of 100 */
+SMRDATA1:
+	.word PIOC_ASR
+	.word PIOC_ASR_VAL
+	.word PIOC_BSR
+	.word PIOC_BSR_VAL
+	.word PIOC_PDR
+	.word PIOC_PDR_VAL
+	.word EBI_CSA
+	.word EBI_CSA_VAL
+	.word SDRC_CR
+	.word SDRC_CR_VAL
+	.word SDRC_MR
+	.word SDRC_MR_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRC_MR
+	.word SDRC_MR_VAL1
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRC_MR
+	.word SDRC_MR_VAL2
+	.word SDRAM1
+	.word SDRAM_VAL
+	.word SDRC_TR
+	.word SDRC_TR_VAL
+	.word SDRAM
+	.word SDRAM_VAL
+	.word SDRC_MR
+	.word SDRC_MR_VAL3
+	.word SDRAM
+	.word SDRAM_VAL
+	/* SMRDATA1 is 176 bytes long */
+#endif /* CONFIG_BOOTBINFUNC */
diff --git a/board/m501sk/u-boot.lds b/board/m501sk/u-boot.lds
new file mode 100644
index 0000000..99e2ac1
--- /dev/null
+++ b/board/m501sk/u-boot.lds
@@ -0,0 +1,55 @@
+/*
+ * (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_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+	. = 0x00000000;
+
+	. = ALIGN(4);
+	.text      :
+	{
+	 cpu/arm920t/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 = .;
+
+	. = ALIGN(4);
+	__bss_start = .;
+	.bss : { *(.bss) }
+	_end = .;
+}