| /* |
| * QNAP TS-409 Board Setup |
| * |
| * Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU 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/gpio_keys.h> |
| #include <linux/input.h> |
| #include <linux/i2c.h> |
| #include <linux/serial_reg.h> |
| #include <asm/mach-types.h> |
| #include <asm/gpio.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/pci.h> |
| #include <asm/arch/orion5x.h> |
| #include "common.h" |
| #include "mpp.h" |
| |
| /***************************************************************************** |
| * QNAP TS-409 Info |
| ****************************************************************************/ |
| |
| /* |
| * QNAP TS-409 hardware : |
| * - Marvell 88F5281-D0 |
| * - Marvell 88SX7042 SATA controller (PCIe) |
| * - Marvell 88E1118 Gigabit Ethernet PHY |
| * - RTC S35390A (@0x30) on I2C bus |
| * - 8MB NOR flash |
| * - 256MB of DDR-2 RAM |
| */ |
| |
| /* |
| * 8MB NOR flash Device bus boot chip select |
| */ |
| |
| #define QNAP_TS409_NOR_BOOT_BASE 0xff800000 |
| #define QNAP_TS409_NOR_BOOT_SIZE SZ_8M |
| |
| /**************************************************************************** |
| * 8MiB NOR flash. The struct mtd_partition is not in the same order as the |
| * partitions on the device because we want to keep compatability with |
| * existing QNAP firmware. |
| * |
| * Layout as used by QNAP: |
| * [2] 0x00000000-0x00200000 : "Kernel" |
| * [3] 0x00200000-0x00600000 : "RootFS1" |
| * [4] 0x00600000-0x00700000 : "RootFS2" |
| * [6] 0x00700000-0x00760000 : "NAS Config" (read-only) |
| * [5] 0x00760000-0x00780000 : "U-Boot Config" |
| * [1] 0x00780000-0x00800000 : "U-Boot" (read-only) |
| ***************************************************************************/ |
| static struct mtd_partition qnap_ts409_partitions[] = { |
| { |
| .name = "U-Boot", |
| .size = 0x00080000, |
| .offset = 0x00780000, |
| .mask_flags = MTD_WRITEABLE, |
| }, { |
| .name = "Kernel", |
| .size = 0x00200000, |
| .offset = 0, |
| }, { |
| .name = "RootFS1", |
| .size = 0x00400000, |
| .offset = 0x00200000, |
| }, { |
| .name = "RootFS2", |
| .size = 0x00100000, |
| .offset = 0x00600000, |
| }, { |
| .name = "U-Boot Config", |
| .size = 0x00020000, |
| .offset = 0x00760000, |
| }, { |
| .name = "NAS Config", |
| .size = 0x00060000, |
| .offset = 0x00700000, |
| .mask_flags = MTD_WRITEABLE, |
| }, |
| }; |
| |
| static struct physmap_flash_data qnap_ts409_nor_flash_data = { |
| .width = 1, |
| .parts = qnap_ts409_partitions, |
| .nr_parts = ARRAY_SIZE(qnap_ts409_partitions) |
| }; |
| |
| static struct resource qnap_ts409_nor_flash_resource = { |
| .flags = IORESOURCE_MEM, |
| .start = QNAP_TS409_NOR_BOOT_BASE, |
| .end = QNAP_TS409_NOR_BOOT_BASE + QNAP_TS409_NOR_BOOT_SIZE - 1, |
| }; |
| |
| static struct platform_device qnap_ts409_nor_flash = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { .platform_data = &qnap_ts409_nor_flash_data, }, |
| .num_resources = 1, |
| .resource = &qnap_ts409_nor_flash_resource, |
| }; |
| |
| /***************************************************************************** |
| * PCI |
| ****************************************************************************/ |
| |
| static int __init qnap_ts409_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; |
| |
| /* |
| * PCI isn't used on the TS-409 |
| */ |
| return -1; |
| } |
| |
| static struct hw_pci qnap_ts409_pci __initdata = { |
| .nr_controllers = 2, |
| .swizzle = pci_std_swizzle, |
| .setup = orion5x_pci_sys_setup, |
| .scan = orion5x_pci_sys_scan_bus, |
| .map_irq = qnap_ts409_pci_map_irq, |
| }; |
| |
| static int __init qnap_ts409_pci_init(void) |
| { |
| if (machine_is_ts409()) |
| pci_common_init(&qnap_ts409_pci); |
| |
| return 0; |
| } |
| |
| subsys_initcall(qnap_ts409_pci_init); |
| |
| /***************************************************************************** |
| * Ethernet |
| ****************************************************************************/ |
| |
| static struct mv643xx_eth_platform_data qnap_ts409_eth_data = { |
| .phy_addr = 8, |
| }; |
| |
| static int __init 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 parse_hex_byte(const char *b) |
| { |
| int hi; |
| int lo; |
| |
| hi = parse_hex_nibble(b[0]); |
| lo = parse_hex_nibble(b[1]); |
| |
| if (hi < 0 || lo < 0) |
| return -1; |
| |
| return (hi << 4) | lo; |
| } |
| |
| static int __init check_mac_addr(const char *addr_str) |
| { |
| u_int8_t addr[6]; |
| int i; |
| |
| for (i = 0; i < 6; i++) { |
| int byte; |
| |
| /* |
| * Enforce "xx:xx:xx:xx:xx:xx\n" format. |
| */ |
| if (addr_str[(i * 3) + 2] != ((i < 5) ? ':' : '\n')) |
| return -1; |
| |
| byte = parse_hex_byte(addr_str + (i * 3)); |
| if (byte < 0) |
| return -1; |
| addr[i] = byte; |
| } |
| |
| printk(KERN_INFO "ts409: found ethernet mac address "); |
| for (i = 0; i < 6; i++) |
| printk("%.2x%s", addr[i], (i < 5) ? ":" : ".\n"); |
| |
| memcpy(qnap_ts409_eth_data.mac_addr, addr, 6); |
| |
| return 0; |
| } |
| |
| /* |
| * The 'NAS Config' flash partition has an ext2 filesystem which |
| * contains a file that has the ethernet MAC address in plain text |
| * (format "xx:xx:xx:xx:xx:xx\n"). |
| */ |
| static void __init ts409_find_mac_addr(void) |
| { |
| unsigned long addr; |
| |
| for (addr = 0x00700000; addr < 0x00760000; addr += 1024) { |
| char *nor_page; |
| int ret = 0; |
| |
| nor_page = ioremap(QNAP_TS409_NOR_BOOT_BASE + addr, 1024); |
| if (nor_page != NULL) { |
| ret = check_mac_addr(nor_page); |
| iounmap(nor_page); |
| } |
| |
| if (ret == 0) |
| break; |
| } |
| } |
| |
| /***************************************************************************** |
| * RTC S35390A on I2C bus |
| ****************************************************************************/ |
| |
| #define TS409_RTC_GPIO 10 |
| |
| static struct i2c_board_info __initdata qnap_ts409_i2c_rtc = { |
| I2C_BOARD_INFO("s35390a", 0x30), |
| }; |
| |
| /**************************************************************************** |
| * GPIO Attached Keys |
| * Power button is attached to the PIC microcontroller |
| ****************************************************************************/ |
| |
| #define QNAP_TS409_GPIO_KEY_MEDIA 15 |
| |
| static struct gpio_keys_button qnap_ts409_buttons[] = { |
| { |
| .code = KEY_RESTART, |
| .gpio = QNAP_TS409_GPIO_KEY_MEDIA, |
| .desc = "USB Copy Button", |
| .active_low = 1, |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data qnap_ts409_button_data = { |
| .buttons = qnap_ts409_buttons, |
| .nbuttons = ARRAY_SIZE(qnap_ts409_buttons), |
| }; |
| |
| static struct platform_device qnap_ts409_button_device = { |
| .name = "gpio-keys", |
| .id = -1, |
| .num_resources = 0, |
| .dev = { |
| .platform_data = &qnap_ts409_button_data, |
| }, |
| }; |
| |
| /***************************************************************************** |
| * General Setup |
| ****************************************************************************/ |
| static struct orion5x_mpp_mode ts409_mpp_modes[] __initdata = { |
| { 0, MPP_UNUSED }, |
| { 1, MPP_UNUSED }, |
| { 2, MPP_UNUSED }, |
| { 3, MPP_UNUSED }, |
| { 4, MPP_GPIO }, /* HDD 1 status */ |
| { 5, MPP_GPIO }, /* HDD 2 status */ |
| { 6, MPP_GPIO }, /* HDD 3 status */ |
| { 7, MPP_GPIO }, /* HDD 4 status */ |
| { 8, MPP_UNUSED }, |
| { 9, MPP_UNUSED }, |
| { 10, MPP_GPIO }, /* RTC int */ |
| { 11, MPP_UNUSED }, |
| { 12, MPP_UNUSED }, |
| { 13, MPP_UNUSED }, |
| { 14, MPP_GPIO }, /* SW_RST */ |
| { 15, MPP_GPIO }, /* USB copy button */ |
| { 16, MPP_UART }, /* UART1 RXD */ |
| { 17, MPP_UART }, /* UART1 TXD */ |
| { 18, MPP_UNUSED }, |
| { 19, MPP_UNUSED }, |
| { -1 }, |
| }; |
| |
| /* |
| * QNAP TS-409 specific power off method via UART1-attached PIC |
| */ |
| |
| #define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) |
| |
| static void qnap_ts409_power_off(void) |
| { |
| /* 19200 baud divisor */ |
| const unsigned divisor = ((ORION5X_TCLK + (8 * 19200)) / (16 * 19200)); |
| |
| pr_info("%s: triggering power-off...\n", __func__); |
| |
| /* hijack uart1 and reset into sane state (19200,8n1) */ |
| writel(0x83, UART1_REG(LCR)); |
| writel(divisor & 0xff, UART1_REG(DLL)); |
| writel((divisor >> 8) & 0xff, UART1_REG(DLM)); |
| writel(0x03, UART1_REG(LCR)); |
| writel(0x00, UART1_REG(IER)); |
| writel(0x00, UART1_REG(FCR)); |
| writel(0x00, UART1_REG(MCR)); |
| |
| /* send the power-off command 'A' to PIC */ |
| writel('A', UART1_REG(TX)); |
| } |
| |
| static void __init qnap_ts409_init(void) |
| { |
| /* |
| * Setup basic Orion functions. Need to be called early. |
| */ |
| orion5x_init(); |
| |
| orion5x_mpp_conf(ts409_mpp_modes); |
| |
| /* |
| * Configure peripherals. |
| */ |
| orion5x_ehci0_init(); |
| ts409_find_mac_addr(); |
| orion5x_eth_init(&qnap_ts409_eth_data); |
| orion5x_i2c_init(); |
| orion5x_uart0_init(); |
| |
| orion5x_setup_dev_boot_win(QNAP_TS409_NOR_BOOT_BASE, |
| QNAP_TS409_NOR_BOOT_SIZE); |
| platform_device_register(&qnap_ts409_nor_flash); |
| |
| platform_device_register(&qnap_ts409_button_device); |
| |
| /* Get RTC IRQ and register the chip */ |
| if (gpio_request(TS409_RTC_GPIO, "rtc") == 0) { |
| if (gpio_direction_input(TS409_RTC_GPIO) == 0) |
| qnap_ts409_i2c_rtc.irq = gpio_to_irq(TS409_RTC_GPIO); |
| else |
| gpio_free(TS409_RTC_GPIO); |
| } |
| if (qnap_ts409_i2c_rtc.irq == 0) |
| pr_warning("qnap_ts409_init: failed to get RTC IRQ\n"); |
| i2c_register_board_info(0, &qnap_ts409_i2c_rtc, 1); |
| |
| /* register ts409 specific power-off method */ |
| pm_power_off = qnap_ts409_power_off; |
| } |
| |
| MACHINE_START(TS409, "QNAP TS-409") |
| /* Maintainer: Sylver Bruneau <sylver.bruneau@gmail.com> */ |
| .phys_io = ORION5X_REGS_PHYS_BASE, |
| .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, |
| .boot_params = 0x00000100, |
| .init_machine = qnap_ts409_init, |
| .map_io = orion5x_map_io, |
| .init_irq = orion5x_init_irq, |
| .timer = &orion5x_timer, |
| .fixup = tag_fixup_mem32, |
| MACHINE_END |