| /* |
| * arch/arm/mach-orion5x/db88f5281-setup.c |
| * |
| * Marvell Orion-2 Development Board Setup |
| * |
| * Maintainer: Tzachi Perelstein <tzachi@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/mtd/nand.h> |
| #include <linux/timer.h> |
| #include <linux/mv643xx_eth.h> |
| #include <linux/i2c.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/pci.h> |
| #include <mach/orion5x.h> |
| #include <linux/platform_data/mtd-orion_nand.h> |
| #include "common.h" |
| #include "mpp.h" |
| |
| /***************************************************************************** |
| * DB-88F5281 on board devices |
| ****************************************************************************/ |
| |
| /* |
| * 512K NOR flash Device bus boot chip select |
| */ |
| |
| #define DB88F5281_NOR_BOOT_BASE 0xf4000000 |
| #define DB88F5281_NOR_BOOT_SIZE SZ_512K |
| |
| /* |
| * 7-Segment on Device bus chip select 0 |
| */ |
| |
| #define DB88F5281_7SEG_BASE 0xfa000000 |
| #define DB88F5281_7SEG_SIZE SZ_1K |
| |
| /* |
| * 32M NOR flash on Device bus chip select 1 |
| */ |
| |
| #define DB88F5281_NOR_BASE 0xfc000000 |
| #define DB88F5281_NOR_SIZE SZ_32M |
| |
| /* |
| * 32M NAND flash on Device bus chip select 2 |
| */ |
| |
| #define DB88F5281_NAND_BASE 0xfa800000 |
| #define DB88F5281_NAND_SIZE SZ_1K |
| |
| /* |
| * PCI |
| */ |
| |
| #define DB88F5281_PCI_SLOT0_OFFS 7 |
| #define DB88F5281_PCI_SLOT0_IRQ_PIN 12 |
| #define DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN 13 |
| |
| /***************************************************************************** |
| * 512M NOR Flash on Device bus Boot CS |
| ****************************************************************************/ |
| |
| static struct physmap_flash_data db88f5281_boot_flash_data = { |
| .width = 1, /* 8 bit bus width */ |
| }; |
| |
| static struct resource db88f5281_boot_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = DB88F5281_NOR_BOOT_BASE, |
| .end = DB88F5281_NOR_BOOT_BASE + DB88F5281_NOR_BOOT_SIZE - 1, |
| }; |
| |
| static struct platform_device db88f5281_boot_flash = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = &db88f5281_boot_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &db88f5281_boot_flash_resource, |
| }; |
| |
| /***************************************************************************** |
| * 32M NOR Flash on Device bus CS1 |
| ****************************************************************************/ |
| |
| static struct physmap_flash_data db88f5281_nor_flash_data = { |
| .width = 4, /* 32 bit bus width */ |
| }; |
| |
| static struct resource db88f5281_nor_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = DB88F5281_NOR_BASE, |
| .end = DB88F5281_NOR_BASE + DB88F5281_NOR_SIZE - 1, |
| }; |
| |
| static struct platform_device db88f5281_nor_flash = { |
| .name = "physmap-flash", |
| .id = 1, |
| .dev = { |
| .platform_data = &db88f5281_nor_flash_data, |
| }, |
| .num_resources = 1, |
| .resource = &db88f5281_nor_flash_resource, |
| }; |
| |
| /***************************************************************************** |
| * 32M NAND Flash on Device bus CS2 |
| ****************************************************************************/ |
| |
| static struct mtd_partition db88f5281_nand_parts[] = { |
| { |
| .name = "kernel", |
| .offset = 0, |
| .size = SZ_2M, |
| }, { |
| .name = "root", |
| .offset = SZ_2M, |
| .size = (SZ_16M - SZ_2M), |
| }, { |
| .name = "user", |
| .offset = SZ_16M, |
| .size = SZ_8M, |
| }, { |
| .name = "recovery", |
| .offset = (SZ_16M + SZ_8M), |
| .size = SZ_8M, |
| }, |
| }; |
| |
| static struct resource db88f5281_nand_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = DB88F5281_NAND_BASE, |
| .end = DB88F5281_NAND_BASE + DB88F5281_NAND_SIZE - 1, |
| }; |
| |
| static struct orion_nand_data db88f5281_nand_data = { |
| .parts = db88f5281_nand_parts, |
| .nr_parts = ARRAY_SIZE(db88f5281_nand_parts), |
| .cle = 0, |
| .ale = 1, |
| .width = 8, |
| }; |
| |
| static struct platform_device db88f5281_nand_flash = { |
| .name = "orion_nand", |
| .id = -1, |
| .dev = { |
| .platform_data = &db88f5281_nand_data, |
| }, |
| .resource = &db88f5281_nand_resource, |
| .num_resources = 1, |
| }; |
| |
| /***************************************************************************** |
| * 7-Segment on Device bus CS0 |
| * Dummy counter every 2 sec |
| ****************************************************************************/ |
| |
| static void __iomem *db88f5281_7seg; |
| static struct timer_list db88f5281_timer; |
| |
| static void db88f5281_7seg_event(unsigned long data) |
| { |
| static int count = 0; |
| writel(0, db88f5281_7seg + (count << 4)); |
| count = (count + 1) & 7; |
| mod_timer(&db88f5281_timer, jiffies + 2 * HZ); |
| } |
| |
| static int __init db88f5281_7seg_init(void) |
| { |
| if (machine_is_db88f5281()) { |
| db88f5281_7seg = ioremap(DB88F5281_7SEG_BASE, |
| DB88F5281_7SEG_SIZE); |
| if (!db88f5281_7seg) { |
| printk(KERN_ERR "Failed to ioremap db88f5281_7seg\n"); |
| return -EIO; |
| } |
| setup_timer(&db88f5281_timer, db88f5281_7seg_event, 0); |
| mod_timer(&db88f5281_timer, jiffies + 2 * HZ); |
| } |
| |
| return 0; |
| } |
| |
| __initcall(db88f5281_7seg_init); |
| |
| /***************************************************************************** |
| * PCI |
| ****************************************************************************/ |
| |
| void __init db88f5281_pci_preinit(void) |
| { |
| int pin; |
| |
| /* |
| * Configure PCI GPIO IRQ pins |
| */ |
| pin = DB88F5281_PCI_SLOT0_IRQ_PIN; |
| if (gpio_request(pin, "PCI Int1") == 0) { |
| if (gpio_direction_input(pin) == 0) { |
| irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
| } else { |
| printk(KERN_ERR "db88f5281_pci_preinit failed to " |
| "set_irq_type pin %d\n", pin); |
| gpio_free(pin); |
| } |
| } else { |
| printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); |
| } |
| |
| pin = DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN; |
| if (gpio_request(pin, "PCI Int2") == 0) { |
| if (gpio_direction_input(pin) == 0) { |
| irq_set_irq_type(gpio_to_irq(pin), IRQ_TYPE_LEVEL_LOW); |
| } else { |
| printk(KERN_ERR "db88f5281_pci_preinit failed " |
| "to set_irq_type pin %d\n", pin); |
| gpio_free(pin); |
| } |
| } else { |
| printk(KERN_ERR "db88f5281_pci_preinit failed to gpio_request %d\n", pin); |
| } |
| } |
| |
| static int __init db88f5281_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 - DB88F5281_PCI_SLOT0_OFFS) { |
| case 0: |
| return gpio_to_irq(DB88F5281_PCI_SLOT0_IRQ_PIN); |
| case 1: |
| case 2: |
| return gpio_to_irq(DB88F5281_PCI_SLOT1_SLOT2_IRQ_PIN); |
| default: |
| return -1; |
| } |
| } |
| |
| static struct hw_pci db88f5281_pci __initdata = { |
| .nr_controllers = 2, |
| .preinit = db88f5281_pci_preinit, |
| .setup = orion5x_pci_sys_setup, |
| .scan = orion5x_pci_sys_scan_bus, |
| .map_irq = db88f5281_pci_map_irq, |
| }; |
| |
| static int __init db88f5281_pci_init(void) |
| { |
| if (machine_is_db88f5281()) |
| pci_common_init(&db88f5281_pci); |
| |
| return 0; |
| } |
| |
| subsys_initcall(db88f5281_pci_init); |
| |
| /***************************************************************************** |
| * Ethernet |
| ****************************************************************************/ |
| static struct mv643xx_eth_platform_data db88f5281_eth_data = { |
| .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
| }; |
| |
| /***************************************************************************** |
| * RTC DS1339 on I2C bus |
| ****************************************************************************/ |
| static struct i2c_board_info __initdata db88f5281_i2c_rtc = { |
| I2C_BOARD_INFO("ds1339", 0x68), |
| }; |
| |
| /***************************************************************************** |
| * General Setup |
| ****************************************************************************/ |
| static unsigned int db88f5281_mpp_modes[] __initdata = { |
| MPP0_GPIO, /* USB Over Current */ |
| MPP1_GPIO, /* USB Vbat input */ |
| MPP2_PCI_ARB, /* PCI_REQn[2] */ |
| MPP3_PCI_ARB, /* PCI_GNTn[2] */ |
| MPP4_PCI_ARB, /* PCI_REQn[3] */ |
| MPP5_PCI_ARB, /* PCI_GNTn[3] */ |
| MPP6_GPIO, /* JP0, CON17.2 */ |
| MPP7_GPIO, /* JP1, CON17.1 */ |
| MPP8_GPIO, /* JP2, CON11.2 */ |
| MPP9_GPIO, /* JP3, CON11.3 */ |
| MPP10_GPIO, /* RTC int */ |
| MPP11_GPIO, /* Baud Rate Generator */ |
| MPP12_GPIO, /* PCI int 1 */ |
| MPP13_GPIO, /* PCI int 2 */ |
| MPP14_NAND, /* NAND_REn[2] */ |
| MPP15_NAND, /* NAND_WEn[2] */ |
| MPP16_UART, /* UART1_RX */ |
| MPP17_UART, /* UART1_TX */ |
| MPP18_UART, /* UART1_CTSn */ |
| MPP19_UART, /* UART1_RTSn */ |
| 0, |
| }; |
| |
| static void __init db88f5281_init(void) |
| { |
| /* |
| * Basic Orion setup. Need to be called early. |
| */ |
| orion5x_init(); |
| |
| orion5x_mpp_conf(db88f5281_mpp_modes); |
| writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */ |
| |
| /* |
| * Configure peripherals. |
| */ |
| orion5x_ehci0_init(); |
| orion5x_eth_init(&db88f5281_eth_data); |
| orion5x_i2c_init(); |
| orion5x_uart0_init(); |
| orion5x_uart1_init(); |
| |
| mvebu_mbus_add_window("devbus-boot", DB88F5281_NOR_BOOT_BASE, |
| DB88F5281_NOR_BOOT_SIZE); |
| platform_device_register(&db88f5281_boot_flash); |
| |
| mvebu_mbus_add_window("devbus-cs0", DB88F5281_7SEG_BASE, |
| DB88F5281_7SEG_SIZE); |
| |
| mvebu_mbus_add_window("devbus-cs1", DB88F5281_NOR_BASE, |
| DB88F5281_NOR_SIZE); |
| platform_device_register(&db88f5281_nor_flash); |
| |
| mvebu_mbus_add_window("devbus-cs2", DB88F5281_NAND_BASE, |
| DB88F5281_NAND_SIZE); |
| platform_device_register(&db88f5281_nand_flash); |
| |
| i2c_register_board_info(0, &db88f5281_i2c_rtc, 1); |
| } |
| |
| MACHINE_START(DB88F5281, "Marvell Orion-2 Development Board") |
| /* Maintainer: Tzachi Perelstein <tzachi@marvell.com> */ |
| .atag_offset = 0x100, |
| .init_machine = db88f5281_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 |