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-rw-r--r--arch/arm/mach-orion5x/dns323-setup.c740
1 files changed, 740 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
new file mode 100644
index 00000000..855e0e77
--- /dev/null
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -0,0 +1,740 @@
+/*
+ * arch/arm/mach-orion5x/dns323-setup.c
+ *
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org>
+ *
+ * Support for HW Rev C1:
+ *
+ * Copyright (C) 2010 Benjamin Herrenschmidt <benh@kernel.crashing.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/delay.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 <linux/ata_platform.h>
+#include <linux/phy.h>
+#include <linux/marvell_phy.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/pci.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/* Rev A1 and B1 */
+#define DNS323_GPIO_LED_RIGHT_AMBER 1
+#define DNS323_GPIO_LED_LEFT_AMBER 2
+#define DNS323_GPIO_SYSTEM_UP 3
+#define DNS323_GPIO_LED_POWER1 4
+#define DNS323_GPIO_LED_POWER2 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
+
+/* Rev C1 */
+#define DNS323C_GPIO_KEY_POWER 1
+#define DNS323C_GPIO_POWER_OFF 2
+#define DNS323C_GPIO_LED_RIGHT_AMBER 8
+#define DNS323C_GPIO_LED_LEFT_AMBER 9
+#define DNS323C_GPIO_LED_POWER 17
+#define DNS323C_GPIO_FAN_BIT1 18
+#define DNS323C_GPIO_FAN_BIT0 19
+
+/* Exposed to userspace, do not change */
+enum {
+ DNS323_REV_A1, /* 0 */
+ DNS323_REV_B1, /* 1 */
+ DNS323_REV_C1, /* 2 */
+};
+
+
+/****************************************************************************
+ * PCI setup
+ */
+
+static int __init dns323_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ return -1;
+}
+
+static struct hw_pci dns323_pci __initdata = {
+ .nr_controllers = 2,
+ .swizzle = pci_std_swizzle,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = dns323_pci_map_irq,
+};
+
+static int __init dns323_pci_init(void)
+{
+ /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
+ * gets in the way of initialising the SATA controller.
+ */
+ if (machine_is_dns323() && system_rev == DNS323_REV_A1)
+ pci_common_init(&dns323_pci);
+
+ return 0;
+}
+
+subsys_initcall(dns323_pci_init);
+
+/****************************************************************************
+ * 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,
+};
+
+/****************************************************************************
+ * Ethernet
+ */
+
+static struct mv643xx_eth_platform_data dns323_eth_data = {
+ .phy_addr = MV643XX_ETH_PHY_ADDR(8),
+};
+
+/* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
+ * functions be kept somewhere?
+ */
+static int __init dns323_parse_hex_nibble(char n)
+{
+ if (n >= '0' && n <= '9')
+ return n - '0';
+
+ if (n >= 'A' && n <= 'F')
+ return n - 'A' + 10;
+
+ if (n >= 'a' && n <= 'f')
+ return n - 'a' + 10;
+
+ return -1;
+}
+
+static int __init dns323_parse_hex_byte(const char *b)
+{
+ int hi;
+ int lo;
+
+ hi = dns323_parse_hex_nibble(b[0]);
+ lo = dns323_parse_hex_nibble(b[1]);
+
+ if (hi < 0 || lo < 0)
+ return -1;
+
+ return (hi << 4) | lo;
+}
+
+static int __init dns323_read_mac_addr(void)
+{
+ u_int8_t addr[6];
+ int i;
+ char *mac_page;
+
+ /* MAC address is stored as a regular ol' string in /dev/mtdblock4
+ * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
+ */
+ mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
+ if (!mac_page)
+ return -ENOMEM;
+
+ /* Sanity check the string we're looking at */
+ for (i = 0; i < 5; i++) {
+ if (*(mac_page + (i * 3) + 2) != ':') {
+ goto error_fail;
+ }
+ }
+
+ for (i = 0; i < 6; i++) {
+ int byte;
+
+ byte = dns323_parse_hex_byte(mac_page + (i * 3));
+ if (byte < 0) {
+ goto error_fail;
+ }
+
+ addr[i] = byte;
+ }
+
+ iounmap(mac_page);
+ printk("DNS-323: Found ethernet MAC address: ");
+ for (i = 0; i < 6; i++)
+ printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n");
+
+ memcpy(dns323_eth_data.mac_addr, addr, 6);
+
+ return 0;
+
+error_fail:
+ iounmap(mac_page);
+ return -EINVAL;
+}
+
+/****************************************************************************
+ * GPIO LEDs (simple - doesn't use hardware blinking support)
+ */
+
+#define ORION_BLINK_HALF_PERIOD 100 /* ms */
+
+static int dns323_gpio_blink_set(unsigned gpio, int state,
+ unsigned long *delay_on, unsigned long *delay_off)
+{
+
+ if (delay_on && delay_off && !*delay_on && !*delay_off)
+ *delay_on = *delay_off = ORION_BLINK_HALF_PERIOD;
+
+ switch(state) {
+ case GPIO_LED_NO_BLINK_LOW:
+ case GPIO_LED_NO_BLINK_HIGH:
+ orion_gpio_set_blink(gpio, 0);
+ gpio_set_value(gpio, state);
+ break;
+ case GPIO_LED_BLINK:
+ orion_gpio_set_blink(gpio, 1);
+ }
+ return 0;
+}
+
+static struct gpio_led dns323ab_leds[] = {
+ {
+ .name = "power:blue",
+ .gpio = DNS323_GPIO_LED_POWER2,
+ .default_trigger = "default-on",
+ }, {
+ .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 dns323c_leds[] = {
+ {
+ .name = "power:blue",
+ .gpio = DNS323C_GPIO_LED_POWER,
+ .default_trigger = "timer",
+ .active_low = 1,
+ }, {
+ .name = "right:amber",
+ .gpio = DNS323C_GPIO_LED_RIGHT_AMBER,
+ .active_low = 1,
+ }, {
+ .name = "left:amber",
+ .gpio = DNS323C_GPIO_LED_LEFT_AMBER,
+ .active_low = 1,
+ },
+};
+
+
+static struct gpio_led_platform_data dns323ab_led_data = {
+ .num_leds = ARRAY_SIZE(dns323ab_leds),
+ .leds = dns323ab_leds,
+ .gpio_blink_set = dns323_gpio_blink_set,
+};
+
+static struct gpio_led_platform_data dns323c_led_data = {
+ .num_leds = ARRAY_SIZE(dns323c_leds),
+ .leds = dns323c_leds,
+ .gpio_blink_set = dns323_gpio_blink_set,
+};
+
+static struct platform_device dns323_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &dns323ab_led_data,
+ },
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ */
+
+static struct gpio_keys_button dns323ab_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 dns323ab_button_data = {
+ .buttons = dns323ab_buttons,
+ .nbuttons = ARRAY_SIZE(dns323ab_buttons),
+};
+
+static struct gpio_keys_button dns323c_buttons[] = {
+ {
+ .code = KEY_POWER,
+ .gpio = DNS323C_GPIO_KEY_POWER,
+ .desc = "Power Button",
+ .active_low = 1,
+ },
+};
+
+static struct gpio_keys_platform_data dns323c_button_data = {
+ .buttons = dns323c_buttons,
+ .nbuttons = ARRAY_SIZE(dns323c_buttons),
+};
+
+static struct platform_device dns323_button_device = {
+ .name = "gpio-keys",
+ .id = -1,
+ .num_resources = 0,
+ .dev = {
+ .platform_data = &dns323ab_button_data,
+ },
+};
+
+/*****************************************************************************
+ * SATA
+ */
+static struct mv_sata_platform_data dns323_sata_data = {
+ .n_ports = 2,
+};
+
+/****************************************************************************
+ * General Setup
+ */
+static unsigned int dns323a_mpp_modes[] __initdata = {
+ MPP0_PCIE_RST_OUTn,
+ MPP1_GPIO, /* right amber LED (sata ch0) */
+ MPP2_GPIO, /* left amber LED (sata ch1) */
+ MPP3_UNUSED,
+ MPP4_GPIO, /* power button LED */
+ MPP5_GPIO, /* power button LED */
+ MPP6_GPIO, /* GMT G751-2f overtemp */
+ MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
+ MPP8_GPIO, /* triggers power off */
+ MPP9_GPIO, /* power button switch */
+ MPP10_GPIO, /* reset button switch */
+ MPP11_UNUSED,
+ MPP12_UNUSED,
+ MPP13_UNUSED,
+ MPP14_UNUSED,
+ MPP15_UNUSED,
+ MPP16_UNUSED,
+ MPP17_UNUSED,
+ MPP18_UNUSED,
+ MPP19_UNUSED,
+ 0,
+};
+
+static unsigned int dns323b_mpp_modes[] __initdata = {
+ MPP0_UNUSED,
+ MPP1_GPIO, /* right amber LED (sata ch0) */
+ MPP2_GPIO, /* left amber LED (sata ch1) */
+ MPP3_GPIO, /* system up flag */
+ MPP4_GPIO, /* power button LED */
+ MPP5_GPIO, /* power button LED */
+ MPP6_GPIO, /* GMT G751-2f overtemp */
+ MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
+ MPP8_GPIO, /* triggers power off */
+ MPP9_GPIO, /* power button switch */
+ MPP10_GPIO, /* reset button switch */
+ MPP11_UNUSED,
+ MPP12_SATA_LED,
+ MPP13_SATA_LED,
+ MPP14_SATA_LED,
+ MPP15_SATA_LED,
+ MPP16_UNUSED,
+ MPP17_UNUSED,
+ MPP18_UNUSED,
+ MPP19_UNUSED,
+ 0,
+};
+
+static unsigned int dns323c_mpp_modes[] __initdata = {
+ MPP0_GPIO, /* ? input */
+ MPP1_GPIO, /* input power switch (0 = pressed) */
+ MPP2_GPIO, /* output power off */
+ MPP3_UNUSED, /* ? output */
+ MPP4_UNUSED, /* ? output */
+ MPP5_UNUSED, /* ? output */
+ MPP6_UNUSED, /* ? output */
+ MPP7_UNUSED, /* ? output */
+ MPP8_GPIO, /* i/o right amber LED */
+ MPP9_GPIO, /* i/o left amber LED */
+ MPP10_GPIO, /* input */
+ MPP11_UNUSED,
+ MPP12_SATA_LED,
+ MPP13_SATA_LED,
+ MPP14_SATA_LED,
+ MPP15_SATA_LED,
+ MPP16_UNUSED,
+ MPP17_GPIO, /* power button LED */
+ MPP18_GPIO, /* fan speed bit 0 */
+ MPP19_GPIO, /* fan speed bit 1 */
+ 0,
+};
+
+/* Rev C1 Fan speed notes:
+ *
+ * The fan is controlled by 2 GPIOs on this board. The settings
+ * of the bits is as follow:
+ *
+ * GPIO 18 GPIO 19 Fan
+ *
+ * 0 0 stopped
+ * 0 1 low speed
+ * 1 0 high speed
+ * 1 1 don't do that (*)
+ *
+ * (*) I think the two bits control two feed-in resistors into a fixed
+ * PWN circuit, setting both bits will basically go a 'bit' faster
+ * than high speed, but d-link doesn't do it and you may get out of
+ * HW spec so don't do it.
+ */
+
+/*
+ * On the DNS-323 A1 and B1 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 dns323ab_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("g760a", 0x3e),
+ }, {
+ I2C_BOARD_INFO("lm75", 0x48),
+ }, {
+ I2C_BOARD_INFO("m41t80", 0x68),
+ },
+};
+
+/*
+ * On the DNS-323 C1 the following devices are attached via I2C:
+ *
+ * i2c addr | chip | description
+ * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
+ * 0x68 | ST M41T80 | RTC w/ alarm
+ */
+static struct i2c_board_info __initdata dns323c_i2c_devices[] = {
+ {
+ I2C_BOARD_INFO("lm75", 0x48),
+ }, {
+ I2C_BOARD_INFO("m41t80", 0x68),
+ },
+};
+
+/* DNS-323 rev. A specific power off method */
+static void dns323a_power_off(void)
+{
+ pr_info("DNS-323: Triggering power-off...\n");
+ gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
+}
+
+/* DNS-323 rev B specific power off method */
+static void dns323b_power_off(void)
+{
+ pr_info("DNS-323: Triggering power-off...\n");
+ /* Pin has to be changed to 1 and back to 0 to do actual power off. */
+ gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
+ mdelay(100);
+ gpio_set_value(DNS323_GPIO_POWER_OFF, 0);
+}
+
+/* DNS-323 rev. C specific power off method */
+static void dns323c_power_off(void)
+{
+ pr_info("DNS-323: Triggering power-off...\n");
+ gpio_set_value(DNS323C_GPIO_POWER_OFF, 1);
+}
+
+static int dns323c_phy_fixup(struct phy_device *phy)
+{
+ phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS;
+
+ return 0;
+}
+
+static int __init dns323_identify_rev(void)
+{
+ u32 dev, rev, i, reg;
+
+ pr_debug("DNS-323: Identifying board ... \n");
+
+ /* Rev A1 has a 5181 */
+ orion5x_pcie_id(&dev, &rev);
+ if (dev == MV88F5181_DEV_ID) {
+ pr_debug("DNS-323: 5181 found, board is A1\n");
+ return DNS323_REV_A1;
+ }
+ pr_debug("DNS-323: 5182 found, board is B1 or C1, checking PHY...\n");
+
+ /* Rev B1 and C1 both have 5182, let's poke at the eth PHY. This is
+ * a bit gross but we want to do that without links into the eth
+ * driver so let's poke at it directly. We default to rev B1 in
+ * case the accesses fail
+ */
+
+#define ETH_SMI_REG (ORION5X_ETH_VIRT_BASE + 0x2000 + 0x004)
+#define SMI_BUSY 0x10000000
+#define SMI_READ_VALID 0x08000000
+#define SMI_OPCODE_READ 0x04000000
+#define SMI_OPCODE_WRITE 0x00000000
+
+ for (i = 0; i < 1000; i++) {
+ reg = readl(ETH_SMI_REG);
+ if (!(reg & SMI_BUSY))
+ break;
+ }
+ if (i >= 1000) {
+ pr_warning("DNS-323: Timeout accessing PHY, assuming rev B1\n");
+ return DNS323_REV_B1;
+ }
+ writel((3 << 21) /* phy ID reg */ |
+ (8 << 16) /* phy addr */ |
+ SMI_OPCODE_READ, ETH_SMI_REG);
+ for (i = 0; i < 1000; i++) {
+ reg = readl(ETH_SMI_REG);
+ if (reg & SMI_READ_VALID)
+ break;
+ }
+ if (i >= 1000) {
+ pr_warning("DNS-323: Timeout reading PHY, assuming rev B1\n");
+ return DNS323_REV_B1;
+ }
+ pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff);
+
+ /* Note: the Marvell tools mask the ID with 0x3f0 before comparison
+ * but I don't see that making a difference here, at least with
+ * any known Marvell PHY ID
+ */
+ switch(reg & 0xfff0) {
+ case 0x0cc0: /* MV88E1111 */
+ return DNS323_REV_B1;
+ case 0x0e10: /* MV88E1118 */
+ return DNS323_REV_C1;
+ default:
+ pr_warning("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n",
+ reg & 0xffff);
+ }
+ return DNS323_REV_B1;
+}
+
+static void __init dns323_init(void)
+{
+ /* Setup basic Orion functions. Need to be called early. */
+ orion5x_init();
+
+ /* Identify revision */
+ system_rev = dns323_identify_rev();
+ pr_info("DNS-323: Identified HW revision %c1\n", 'A' + system_rev);
+
+ /* Just to be tricky, the 5182 has a completely different
+ * set of MPP modes to the 5181.
+ */
+ switch(system_rev) {
+ case DNS323_REV_A1:
+ orion5x_mpp_conf(dns323a_mpp_modes);
+ writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
+ break;
+ case DNS323_REV_B1:
+ orion5x_mpp_conf(dns323b_mpp_modes);
+ break;
+ case DNS323_REV_C1:
+ orion5x_mpp_conf(dns323c_mpp_modes);
+ break;
+ }
+
+ /* setup flash mapping
+ * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
+ */
+ orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
+ platform_device_register(&dns323_nor_flash);
+
+ /* Sort out LEDs, Buttons and i2c devices */
+ switch(system_rev) {
+ case DNS323_REV_A1:
+ /* The 5181 power LED is active low and requires
+ * DNS323_GPIO_LED_POWER1 to also be low.
+ */
+ dns323ab_leds[0].active_low = 1;
+ gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable");
+ gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
+ /* Fall through */
+ case DNS323_REV_B1:
+ i2c_register_board_info(0, dns323ab_i2c_devices,
+ ARRAY_SIZE(dns323ab_i2c_devices));
+ break;
+ case DNS323_REV_C1:
+ /* Hookup LEDs & Buttons */
+ dns323_gpio_leds.dev.platform_data = &dns323c_led_data;
+ dns323_button_device.dev.platform_data = &dns323c_button_data;
+
+ /* Hookup i2c devices and fan driver */
+ i2c_register_board_info(0, dns323c_i2c_devices,
+ ARRAY_SIZE(dns323c_i2c_devices));
+ platform_device_register_simple("dns323c-fan", 0, NULL, 0);
+
+ /* Register fixup for the PHY LEDs */
+ phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
+ MARVELL_PHY_ID_MASK,
+ dns323c_phy_fixup);
+ }
+
+ platform_device_register(&dns323_gpio_leds);
+ platform_device_register(&dns323_button_device);
+
+ /*
+ * Configure peripherals.
+ */
+ if (dns323_read_mac_addr() < 0)
+ printk("DNS-323: Failed to read MAC address\n");
+ orion5x_ehci0_init();
+ orion5x_eth_init(&dns323_eth_data);
+ orion5x_i2c_init();
+ orion5x_uart0_init();
+
+ /* Remaining GPIOs */
+ switch(system_rev) {
+ case DNS323_REV_A1:
+ /* Poweroff GPIO */
+ if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
+ gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
+ pr_err("DNS-323: failed to setup power-off GPIO\n");
+ pm_power_off = dns323a_power_off;
+ break;
+ case DNS323_REV_B1:
+ /* 5182 built-in SATA init */
+ orion5x_sata_init(&dns323_sata_data);
+
+ /* The DNS323 rev B1 has flag to indicate the system is up.
+ * Without this flag set, power LED will flash and cannot be
+ * controlled via leds-gpio.
+ */
+ if (gpio_request(DNS323_GPIO_SYSTEM_UP, "SYS_READY") == 0)
+ gpio_direction_output(DNS323_GPIO_SYSTEM_UP, 1);
+
+ /* Poweroff GPIO */
+ if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
+ gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
+ pr_err("DNS-323: failed to setup power-off GPIO\n");
+ pm_power_off = dns323b_power_off;
+ break;
+ case DNS323_REV_C1:
+ /* 5182 built-in SATA init */
+ orion5x_sata_init(&dns323_sata_data);
+
+ /* Poweroff GPIO */
+ if (gpio_request(DNS323C_GPIO_POWER_OFF, "POWEROFF") != 0 ||
+ gpio_direction_output(DNS323C_GPIO_POWER_OFF, 0) != 0)
+ pr_err("DNS-323: failed to setup power-off GPIO\n");
+ pm_power_off = dns323c_power_off;
+
+ /* Now, -this- should theorically be done by the sata_mv driver
+ * once I figure out what's going on there. Maybe the behaviour
+ * of the LEDs should be somewhat passed via the platform_data.
+ * for now, just whack the register and make the LEDs happy
+ *
+ * Note: AFAIK, rev B1 needs the same treatement but I'll let
+ * somebody else test it.
+ */
+ writel(0x5, ORION5X_SATA_VIRT_BASE | 0x2c);
+ break;
+ }
+}
+
+/* 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> */
+ .boot_params = 0x00000100,
+ .init_machine = dns323_init,
+ .map_io = orion5x_map_io,
+ .init_early = orion5x_init_early,
+ .init_irq = orion5x_init_irq,
+ .timer = &orion5x_timer,
+ .fixup = tag_fixup_mem32,
+MACHINE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 05:56:11 +0000