| /* |
| * arch/arm/mach-orion5x/rd88f5182-setup.c |
| * |
| * Marvell Orion-NAS Reference Design Setup |
| * |
| * Maintainer: Ronen Shitrit <rshitrit@marvell.com> |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| #include <linux/gpio.h> |
| #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/ata_platform.h> |
| #include <linux/i2c.h> |
| #include <linux/leds.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/pci.h> |
| #include "common.h" |
| #include "mpp.h" |
| #include "orion5x.h" |
| |
| /***************************************************************************** |
| * RD-88F5182 Info |
| ****************************************************************************/ |
| |
| /* |
| * 512K NOR flash Device bus boot chip select |
| */ |
| |
| #define RD88F5182_NOR_BOOT_BASE 0xf4000000 |
| #define RD88F5182_NOR_BOOT_SIZE SZ_512K |
| |
| /* |
| * 16M NOR flash on Device bus chip select 1 |
| */ |
| |
| #define RD88F5182_NOR_BASE 0xfc000000 |
| #define RD88F5182_NOR_SIZE SZ_16M |
| |
| /* |
| * PCI |
| */ |
| |
| #define RD88F5182_PCI_SLOT0_OFFS 7 |
| #define RD88F5182_PCI_SLOT0_IRQ_A_PIN 7 |
| #define RD88F5182_PCI_SLOT0_IRQ_B_PIN 6 |
| |
| /***************************************************************************** |
| * 16M NOR Flash on Device bus CS1 |
| ****************************************************************************/ |
| |
| static struct physmap_flash_data rd88f5182_nor_flash_data = { |
| .width = 1, |
| }; |
| |
| static struct resource rd88f5182_nor_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = RD88F5182_NOR_BASE, |
| .end = RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1, |
| }; |
| |
| static struct platform_device rd88f5182_nor_flash = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &rd88f5182_nor_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &rd88f5182_nor_flash_resource, |
| }; |
| |
| /***************************************************************************** |
| * Use GPIO LED as CPU active indication |
| ****************************************************************************/ |
| |
| #define RD88F5182_GPIO_LED 0 |
| |
| static struct gpio_led rd88f5182_gpio_led_pins[] = { |
| { |
| .name = "rd88f5182:cpu", |
| .default_trigger = "cpu0", |
| .gpio = RD88F5182_GPIO_LED, |
| }, |
| }; |
| |
| static struct gpio_led_platform_data rd88f5182_gpio_led_data = { |
| .leds = rd88f5182_gpio_led_pins, |
| .num_leds = ARRAY_SIZE(rd88f5182_gpio_led_pins), |
| }; |
| |
| static struct platform_device rd88f5182_gpio_leds = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &rd88f5182_gpio_led_data, |
| }, |
| }; |
| |
| /***************************************************************************** |
| * PCI |
| ****************************************************************************/ |
| |
| static void __init rd88f5182_pci_preinit(void) |
| { |
| int pin; |
| |
| /* |
| * Configure PCI GPIO IRQ pins |
| */ |
| pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN; |
| if (gpio_request(pin, "PCI IntA") == 0) { |
| if (gpio_direction_input(pin) == 0) { |
| irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
| } else { |
| printk(KERN_ERR "rd88f5182_pci_preinit failed to " |
| "set_irq_type pin %d\n", pin); |
| gpio_free(pin); |
| } |
| } else { |
| printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin); |
| } |
| |
| pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN; |
| if (gpio_request(pin, "PCI IntB") == 0) { |
| if (gpio_direction_input(pin) == 0) { |
| irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
| } else { |
| printk(KERN_ERR "rd88f5182_pci_preinit failed to " |
| "set_irq_type pin %d\n", pin); |
| gpio_free(pin); |
| } |
| } else { |
| printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin); |
| } |
| } |
| |
| static int __init rd88f5182_pci_map_irq(const 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; |
| |
| /* |
| * PCI IRQs are connected via GPIOs |
| */ |
| switch (slot - RD88F5182_PCI_SLOT0_OFFS) { |
| case 0: |
| if (pin == 1) |
| return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN); |
| else |
| return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN); |
| default: |
| return -1; |
| } |
| } |
| |
| static struct hw_pci rd88f5182_pci __initdata = { |
| .nr_controllers = 2, |
| .preinit = rd88f5182_pci_preinit, |
| .setup = orion5x_pci_sys_setup, |
| .scan = orion5x_pci_sys_scan_bus, |
| .map_irq = rd88f5182_pci_map_irq, |
| }; |
| |
| static int __init rd88f5182_pci_init(void) |
| { |
| if (machine_is_rd88f5182()) |
| pci_common_init(&rd88f5182_pci); |
| |
| return 0; |
| } |
| |
| subsys_initcall(rd88f5182_pci_init); |
| |
| /***************************************************************************** |
| * Ethernet |
| ****************************************************************************/ |
| |
| static struct mv643xx_eth_platform_data rd88f5182_eth_data = { |
| .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
| }; |
| |
| /***************************************************************************** |
| * RTC DS1338 on I2C bus |
| ****************************************************************************/ |
| static struct i2c_board_info __initdata rd88f5182_i2c_rtc = { |
| I2C_BOARD_INFO("ds1338", 0x68), |
| }; |
| |
| /***************************************************************************** |
| * Sata |
| ****************************************************************************/ |
| static struct mv_sata_platform_data rd88f5182_sata_data = { |
| .n_ports = 2, |
| }; |
| |
| /***************************************************************************** |
| * General Setup |
| ****************************************************************************/ |
| static unsigned int rd88f5182_mpp_modes[] __initdata = { |
| MPP0_GPIO, /* Debug Led */ |
| MPP1_GPIO, /* Reset Switch */ |
| MPP2_UNUSED, |
| MPP3_GPIO, /* RTC Int */ |
| MPP4_GPIO, |
| MPP5_GPIO, |
| MPP6_GPIO, /* PCI_intA */ |
| MPP7_GPIO, /* PCI_intB */ |
| MPP8_UNUSED, |
| MPP9_UNUSED, |
| MPP10_UNUSED, |
| MPP11_UNUSED, |
| MPP12_SATA_LED, /* SATA 0 presence */ |
| MPP13_SATA_LED, /* SATA 1 presence */ |
| MPP14_SATA_LED, /* SATA 0 active */ |
| MPP15_SATA_LED, /* SATA 1 active */ |
| MPP16_UNUSED, |
| MPP17_UNUSED, |
| MPP18_UNUSED, |
| MPP19_UNUSED, |
| 0, |
| }; |
| |
| static void __init rd88f5182_init(void) |
| { |
| /* |
| * Setup basic Orion functions. Need to be called early. |
| */ |
| orion5x_init(); |
| |
| orion5x_mpp_conf(rd88f5182_mpp_modes); |
| |
| /* |
| * MPP[20] PCI Clock to MV88F5182 |
| * MPP[21] PCI Clock to mini PCI CON11 |
| * MPP[22] USB 0 over current indication |
| * MPP[23] USB 1 over current indication |
| * MPP[24] USB 1 over current enable |
| * MPP[25] USB 0 over current enable |
| */ |
| |
| /* |
| * Configure peripherals. |
| */ |
| orion5x_ehci0_init(); |
| orion5x_ehci1_init(); |
| orion5x_eth_init(&rd88f5182_eth_data); |
| orion5x_i2c_init(); |
| orion5x_sata_init(&rd88f5182_sata_data); |
| orion5x_uart0_init(); |
| orion5x_xor_init(); |
| |
| mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET, |
| ORION_MBUS_DEVBUS_BOOT_ATTR, |
| RD88F5182_NOR_BOOT_BASE, |
| RD88F5182_NOR_BOOT_SIZE); |
| mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_TARGET(1), |
| ORION_MBUS_DEVBUS_ATTR(1), |
| RD88F5182_NOR_BASE, |
| RD88F5182_NOR_SIZE); |
| platform_device_register(&rd88f5182_nor_flash); |
| platform_device_register(&rd88f5182_gpio_leds); |
| |
| i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1); |
| } |
| |
| MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design") |
| /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ |
| .atag_offset = 0x100, |
| .nr_irqs = ORION5X_NR_IRQS, |
| .init_machine = rd88f5182_init, |
| .map_io = orion5x_map_io, |
| .init_early = orion5x_init_early, |
| .init_irq = orion5x_init_irq, |
| .init_time = orion5x_timer_init, |
| .restart = orion5x_restart, |
| MACHINE_END |
