555a36561b
With this patch USB, SATA (via sata_mv), Ethernet, RTC, LEDs and NOR Flash work. Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org> Acked-by: Tzachi Perelstein <tzachi@marvell.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
323 lines
8.2 KiB
C
323 lines
8.2 KiB
C
/*
|
|
* 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
|