--- /dev/null
+/*
+ * arch/arm/mach-orion/dns323-setup.c
+ *
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/irq.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <asm/arch/orion.h>
+#include <asm/arch/platform.h>
+#include "common.h"
+
+#define DNS323_GPIO_LED_RIGHT_AMBER 1
+#define DNS323_GPIO_LED_LEFT_AMBER 2
+#define DNS323_GPIO_LED_POWER 5
+#define DNS323_GPIO_OVERTEMP 6
+#define DNS323_GPIO_RTC 7
+#define DNS323_GPIO_POWER_OFF 8
+#define DNS323_GPIO_KEY_POWER 9
+#define DNS323_GPIO_KEY_RESET 10
+
+/****************************************************************************
+ * PCI setup
+ */
+
+static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ /* PCI-E */
+ if (dev->bus->number == orion_pcie_local_bus_nr())
+ return IRQ_ORION_PCIE0_INT;
+
+ pr_err("%s: requested mapping for unknown bus\n", __func__);
+
+ return -1;
+}
+
+static struct hw_pci dns323_pci __initdata = {
+ .nr_controllers = 1,
+ .swizzle = pci_std_swizzle,
+ .setup = orion_pci_sys_setup,
+ .scan = orion_pci_sys_scan_bus,
+ .map_irq = dns323_pci_map_irq,
+};
+
+static int __init dns323_pci_init(void)
+{
+ if (machine_is_dns323())
+ pci_common_init(&dns323_pci);
+
+ return 0;
+}
+
+subsys_initcall(dns323_pci_init);
+
+/****************************************************************************
+ * Ethernet
+ */
+
+static struct mv643xx_eth_platform_data dns323_eth_data = {
+ .phy_addr = 8,
+ .force_phy_addr = 1,
+};
+
+/****************************************************************************
+ * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
+ *
+ * Layout as used by D-Link:
+ * 0x00000000-0x00010000 : "MTD1"
+ * 0x00010000-0x00020000 : "MTD2"
+ * 0x00020000-0x001a0000 : "Linux Kernel"
+ * 0x001a0000-0x007d0000 : "File System"
+ * 0x007d0000-0x00800000 : "u-boot"
+ */
+
+#define DNS323_NOR_BOOT_BASE 0xf4000000
+#define DNS323_NOR_BOOT_SIZE SZ_8M
+
+static struct mtd_partition dns323_partitions[] = {
+ {
+ .name = "MTD1",
+ .size = 0x00010000,
+ .offset = 0,
+ }, {
+ .name = "MTD2",
+ .size = 0x00010000,
+ .offset = 0x00010000,
+ }, {
+ .name = "Linux Kernel",
+ .size = 0x00180000,
+ .offset = 0x00020000,
+ }, {
+ .name = "File System",
+ .size = 0x00630000,
+ .offset = 0x001A0000,
+ }, {
+ .name = "u-boot",
+ .size = 0x00030000,
+ .offset = 0x007d0000,
+ }
+};
+
+static struct physmap_flash_data dns323_nor_flash_data = {
+ .width = 1,
+ .parts = dns323_partitions,
+ .nr_parts = ARRAY_SIZE(dns323_partitions)
+};
+
+static struct resource dns323_nor_flash_resource = {
+ .flags = IORESOURCE_MEM,
+ .start = DNS323_NOR_BOOT_BASE,
+ .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device dns323_nor_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .dev = { .platform_data = &dns323_nor_flash_data, },
+ .resource = &dns323_nor_flash_resource,
+ .num_resources = 1,
+};
+
+/****************************************************************************
+ * GPIO LEDs (simple - doesn't use hardware blinking support)
+ */
+
+static struct gpio_led dns323_leds[] = {
+ {
+ .name = "power:blue",
+ .gpio = DNS323_GPIO_LED_POWER,
+ .active_low = 1,
+ }, {
+ .name = "right:amber",
+ .gpio = DNS323_GPIO_LED_RIGHT_AMBER,
+ .active_low = 1,
+ }, {
+ .name = "left:amber",
+ .gpio = DNS323_GPIO_LED_LEFT_AMBER,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data dns323_led_data = {
+ .num_leds = ARRAY_SIZE(dns323_leds),
+ .leds = dns323_leds,
+};
+
+static struct platform_device dns323_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = { .platform_data = &dns323_led_data, },
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ */
+
+static struct gpio_keys_button dns323_buttons[] = {
+ {
+ .code = KEY_RESTART,
+ .gpio = DNS323_GPIO_KEY_RESET,
+ .desc = "Reset Button",
+ .active_low = 1,
+ },
+ {
+ .code = KEY_POWER,
+ .gpio = DNS323_GPIO_KEY_POWER,
+ .desc = "Power Button",
+ .active_low = 1,
+ }
+};
+
+static struct gpio_keys_platform_data dns323_button_data = {
+ .buttons = dns323_buttons,
+ .nbuttons = ARRAY_SIZE(dns323_buttons),
+};
+
+static struct platform_device dns323_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = { .platform_data = &dns323_button_data, },
+};
+
+/****************************************************************************
+ * General Setup
+ */
+
+static struct platform_device *dns323_plat_devices[] __initdata = {
+ &dns323_nor_flash,
+ &dns323_gpio_leds,
+ &dns323_button_device,
+};
+
+/*
+ * On the DNS-323 the following devices are attached via I2C:
+ *
+ * i2c addr | chip | description
+ * 0x3e | GMT G760Af | fan speed PWM controller
+ * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
+ * 0x68 | ST M41T80 | RTC w/ alarm
+ */
+static struct i2c_board_info __initdata dns323_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("g760a", 0x3e),
+ .type = "g760a",
+ },
+#if 0
+ /* this entry requires the new-style driver model lm75 driver,
+ * for the meantime "insmod lm75.ko force_lm75=0,0x48" is needed */
+ {
+ I2C_BOARD_INFO("lm75", 0x48),
+ .type = "g751",
+ },
+#endif
+ {
+ I2C_BOARD_INFO("rtc-m41t80", 0x68),
+ .type = "m41t80",
+ }
+};
+
+/* DNS-323 specific power off method */
+static void dns323_power_off(void)
+{
+ pr_info("%s: triggering power-off...\n", __func__);
+ gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
+}
+
+static void __init dns323_init(void)
+{
+ /* Setup basic Orion functions. Need to be called early. */
+ orion_init();
+
+ /* setup flash mapping
+ * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
+ */
+ orion_setup_cpu_win(ORION_DEV_BOOT, DNS323_NOR_BOOT_BASE,
+ DNS323_NOR_BOOT_SIZE, -1);
+
+ /* DNS-323 has a Marvell 88X7042 SATA controller attached via PCIE
+ *
+ * Open a special address decode windows for the PCIE WA.
+ */
+ orion_write(ORION_REGS_BASE | 0x20074, ORION_PCIE_WA_BASE);
+ orion_write(ORION_REGS_BASE | 0x20070,
+ (0x7941 | (((ORION_PCIE_WA_SIZE >> 16) - 1)) << 16));
+
+ /* set MPP to 0 as D-Link's 2.6.12.6 kernel did */
+ orion_write(MPP_0_7_CTRL, 0);
+ orion_write(MPP_8_15_CTRL, 0);
+ orion_write(MPP_16_19_CTRL, 0);
+ orion_write(MPP_DEV_CTRL, 0);
+
+ /* Define used GPIO pins
+
+ GPIO Map:
+
+ | 0 | | PEX_RST_OUT (not controlled by GPIO)
+ | 1 | Out | right amber LED (= sata ch0 LED) (low-active)
+ | 2 | Out | left amber LED (= sata ch1 LED) (low-active)
+ | 3 | Out | //unknown//
+ | 4 | Out | power button LED (low-active, together with pin #5)
+ | 5 | Out | power button LED (low-active, together with pin #4)
+ | 6 | In | GMT G751-2f overtemp. shutdown signal (low-active)
+ | 7 | In | M41T80 nIRQ/OUT/SQW signal
+ | 8 | Out | triggers power off (high-active)
+ | 9 | In | power button switch (low-active)
+ | 10 | In | reset button switch (low-active)
+ | 11 | Out | //unknown//
+ | 12 | Out | //unknown//
+ | 13 | Out | //unknown//
+ | 14 | Out | //unknown//
+ | 15 | Out | //unknown//
+ */
+ orion_gpio_set_valid_pins(0x07f6);
+
+ /* register dns323 specific power-off method */
+ if ((gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0)
+ || (gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0))
+ pr_err("DNS323: failed to setup power-off GPIO\n");
+
+ pm_power_off = dns323_power_off;
+
+ /* register flash and other platform devices */
+ platform_add_devices(dns323_plat_devices,
+ ARRAY_SIZE(dns323_plat_devices));
+
+ i2c_register_board_info(0, dns323_i2c_devices,
+ ARRAY_SIZE(dns323_i2c_devices));
+
+ orion_eth_init(&dns323_eth_data);
+}
+
+/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
+MACHINE_START(DNS323, "D-Link DNS-323")
+ /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */
+ .phys_io = ORION_REGS_BASE,
+ .io_pg_offst = ((ORION_REGS_BASE) >> 18) & 0xFFFC,
+ .boot_params = 0x00000100,
+ .init_machine = dns323_init,
+ .map_io = orion_map_io,
+ .init_irq = orion_init_irq,
+ .timer = &orion_timer,
+MACHINE_END
projects / linux-2.6-omap-h63xx.git / commitdiff