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Diffstat (limited to 'arch/arm/mach-s3c2440/mach-at2440evb.c')
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1 files changed, 198 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
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+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
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+/* linux/arch/arm/mach-s3c2440/mach-at2440evb.c
+ *
+ * Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
+ * Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
+ * and modifications by SBZ <sbz@spgui.org> and
+ * Weibing <http://weibing.blogbus.com>
+ *
+ * For product information, visit http://www.arm9e.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/serial_core.h>
+#include <linux/dm9000.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/plat-s3c/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-mem.h>
+#include <asm/arch/regs-lcd.h>
+#include <asm/plat-s3c/nand.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/nand_ecc.h>
+#include <linux/mtd/partitions.h>
+
+#include <asm/plat-s3c24xx/clock.h>
+#include <asm/plat-s3c24xx/devs.h>
+#include <asm/plat-s3c24xx/cpu.h>
+
+static struct map_desc at2440evb_iodesc[] __initdata = {
+ /* Nothing here */
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c24xx_uart_clksrc at2440evb_serial_clocks[] = {
+ [0] = {
+ .name = "uclk",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ },
+ [1] = {
+ .name = "pclk",
+ .divisor = 1,
+ .min_baud = 0,
+ .max_baud = 0,
+ }
+};
+
+
+static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ .clocks = at2440evb_serial_clocks,
+ .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ .clocks = at2440evb_serial_clocks,
+ .clocks_size = ARRAY_SIZE(at2440evb_serial_clocks),
+ },
+};
+
+/* NAND Flash on AT2440EVB board */
+
+static struct mtd_partition at2440evb_default_nand_part[] = {
+ [0] = {
+ .name = "Boot Agent",
+ .size = SZ_256K,
+ .offset = 0,
+ },
+ [1] = {
+ .name = "Kernel",
+ .size = SZ_2M,
+ .offset = SZ_256K,
+ },
+ [2] = {
+ .name = "Root",
+ .offset = SZ_256K + SZ_2M,
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct s3c2410_nand_set at2440evb_nand_sets[] = {
+ [0] = {
+ .name = "nand",
+ .nr_chips = 1,
+ .nr_partitions = ARRAY_SIZE(at2440evb_default_nand_part),
+ .partitions = at2440evb_default_nand_part,
+ },
+};
+
+static struct s3c2410_platform_nand at2440evb_nand_info = {
+ .tacls = 25,
+ .twrph0 = 55,
+ .twrph1 = 40,
+ .nr_sets = ARRAY_SIZE(at2440evb_nand_sets),
+ .sets = at2440evb_nand_sets,
+};
+
+/* DM9000AEP 10/100 ethernet controller */
+
+static struct resource at2440evb_dm9k_resource[] = {
+ [0] = {
+ .start = S3C2410_CS3,
+ .end = S3C2410_CS3 + 3,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = S3C2410_CS3 + 4,
+ .end = S3C2410_CS3 + 7,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = IRQ_EINT7,
+ .end = IRQ_EINT7,
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+ }
+};
+
+static struct dm9000_plat_data at2440evb_dm9k_pdata = {
+ .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+};
+
+static struct platform_device at2440evb_device_eth = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(at2440evb_dm9k_resource),
+ .resource = at2440evb_dm9k_resource,
+ .dev = {
+ .platform_data = &at2440evb_dm9k_pdata,
+ },
+};
+
+static struct platform_device *at2440evb_devices[] __initdata = {
+ &s3c_device_usb,
+ &s3c_device_wdt,
+ &s3c_device_adc,
+ &s3c_device_i2c,
+ &s3c_device_rtc,
+ &s3c_device_nand,
+ &at2440evb_device_eth,
+};
+
+static void __init at2440evb_map_io(void)
+{
+ s3c_device_nand.dev.platform_data = &at2440evb_nand_info;
+
+ s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
+ s3c24xx_init_clocks(16934400);
+ s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
+}
+
+static void __init at2440evb_init(void)
+{
+ platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
+}
+
+
+MACHINE_START(AT2440EVB, "AT2440EVB")
+ .phys_io = S3C2410_PA_UART,
+ .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C2410_SDRAM_PA + 0x100,
+ .map_io = at2440evb_map_io,
+ .init_machine = at2440evb_init,
+ .init_irq = s3c24xx_init_irq,
+ .timer = &s3c24xx_timer,
+MACHINE_END