diff options
Diffstat (limited to 'arch/arm/mach-kirkwood')
| -rw-r--r-- | arch/arm/mach-kirkwood/Kconfig | 12 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/addr-map.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/io.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/kirkwood.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/openrd_base-setup.c | 12 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/ts219-setup.c | 108 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/ts41x-setup.c | 154 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/tsx1x-common.c | 113 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/tsx1x-common.h | 7 |
13 files changed, 321 insertions, 112 deletions
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 0aca451b216..8bf09ae5b34 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -33,10 +33,18 @@ config MACH_SHEEVAPLUG Marvell SheevaPlug Reference Board. config MACH_TS219 - bool "QNAP TS-119 and TS-219 Turbo NAS" + bool "QNAP TS-110, TS-119, TS-210, TS-219 and TS-219P Turbo NAS" help Say 'Y' here if you want your kernel to support the - QNAP TS-119 and TS-219 Turbo NAS devices. + QNAP TS-110, TS-119, TS-210, TS-219 and TS-219P Turbo NAS + devices. + +config MACH_TS41X + bool "QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS" + help + Say 'Y' here if you want your kernel to support the + QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS + devices. config MACH_OPENRD_BASE bool "Marvell OpenRD Base Board" diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index 80ab0ec90ee..9f2f67b2b63 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -5,7 +5,8 @@ obj-$(CONFIG_MACH_RD88F6192_NAS) += rd88f6192-nas-setup.o obj-$(CONFIG_MACH_RD88F6281) += rd88f6281-setup.o obj-$(CONFIG_MACH_MV88F6281GTW_GE) += mv88f6281gtw_ge-setup.o obj-$(CONFIG_MACH_SHEEVAPLUG) += sheevaplug-setup.o -obj-$(CONFIG_MACH_TS219) += ts219-setup.o +obj-$(CONFIG_MACH_TS219) += ts219-setup.o tsx1x-common.o +obj-$(CONFIG_MACH_TS41X) += ts41x-setup.o tsx1x-common.o obj-$(CONFIG_MACH_OPENRD_BASE) += openrd_base-setup.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o diff --git a/arch/arm/mach-kirkwood/addr-map.c b/arch/arm/mach-kirkwood/addr-map.c index 1da5d1c18ec..2e69168fc69 100644 --- a/arch/arm/mach-kirkwood/addr-map.c +++ b/arch/arm/mach-kirkwood/addr-map.c @@ -105,7 +105,7 @@ void __init kirkwood_setup_cpu_mbus(void) setup_cpu_win(0, KIRKWOOD_PCIE_IO_PHYS_BASE, KIRKWOOD_PCIE_IO_SIZE, TARGET_PCIE, ATTR_PCIE_IO, KIRKWOOD_PCIE_IO_BUS_BASE); setup_cpu_win(1, KIRKWOOD_PCIE_MEM_PHYS_BASE, KIRKWOOD_PCIE_MEM_SIZE, - TARGET_PCIE, ATTR_PCIE_MEM, -1); + TARGET_PCIE, ATTR_PCIE_MEM, KIRKWOOD_PCIE_MEM_BUS_BASE); /* * Setup window for NAND controller. diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 0acb61f3c10..242dd077534 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -845,7 +845,7 @@ int __init kirkwood_find_tclk(void) return 166666667; } -static void kirkwood_timer_init(void) +static void __init kirkwood_timer_init(void) { kirkwood_tclk = kirkwood_find_tclk(); orion_time_init(IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); @@ -915,6 +915,14 @@ void __init kirkwood_init(void) kirkwood_uart0_data[0].uartclk = kirkwood_tclk; kirkwood_uart1_data[0].uartclk = kirkwood_tclk; + /* + * Disable propagation of mbus errors to the CPU local bus, + * as this causes mbus errors (which can occur for example + * for PCI aborts) to throw CPU aborts, which we're not set + * up to deal with. + */ + writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG); + kirkwood_setup_cpu_mbus(); #ifdef CONFIG_CACHE_FEROCEON_L2 diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 9e80d9232c8..418f5017c50 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -13,6 +13,9 @@ #include <mach/kirkwood.h> +#define CPU_CONFIG (BRIDGE_VIRT_BASE | 0x0100) +#define CPU_CONFIG_ERROR_PROP 0x00000004 + #define CPU_CONTROL (BRIDGE_VIRT_BASE | 0x0104) #define CPU_RESET 0x00000002 diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h index a643a846d5f..44e8be04f25 100644 --- a/arch/arm/mach-kirkwood/include/mach/io.h +++ b/arch/arm/mach-kirkwood/include/mach/io.h @@ -15,7 +15,7 @@ static inline void __iomem *__io(unsigned long addr) { - return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_PHYS_BASE) + return (void __iomem *)((addr - KIRKWOOD_PCIE_IO_BUS_BASE) + KIRKWOOD_PCIE_IO_VIRT_BASE); } diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index 54c132731d2..a15cf0ee22b 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -43,6 +43,7 @@ #define KIRKWOOD_REGS_SIZE SZ_1M #define KIRKWOOD_PCIE_MEM_PHYS_BASE 0xe0000000 +#define KIRKWOOD_PCIE_MEM_BUS_BASE 0xe0000000 #define KIRKWOOD_PCIE_MEM_SIZE SZ_128M /* diff --git a/arch/arm/mach-kirkwood/openrd_base-setup.c b/arch/arm/mach-kirkwood/openrd_base-setup.c index 947dfb8cd5b..77617c72229 100644 --- a/arch/arm/mach-kirkwood/openrd_base-setup.c +++ b/arch/arm/mach-kirkwood/openrd_base-setup.c @@ -70,8 +70,20 @@ static void __init openrd_base_init(void) kirkwood_ge00_init(&openrd_base_ge00_data); kirkwood_sata_init(&openrd_base_sata_data); kirkwood_sdio_init(&openrd_base_mvsdio_data); + + kirkwood_i2c_init(); } +static int __init openrd_base_pci_init(void) +{ + if (machine_is_openrd_base()) + kirkwood_pcie_init(); + + return 0; + } +subsys_initcall(openrd_base_pci_init); + + MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board") /* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */ .phys_io = KIRKWOOD_REGS_PHYS_BASE, diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index d90b9aae308..a604b2a701a 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -93,7 +93,7 @@ static struct pci_ops pcie_ops = { }; -static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) +static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) { struct resource *res; extern unsigned int kirkwood_clk_ctrl; @@ -115,7 +115,7 @@ static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) */ res[0].name = "PCIe I/O Space"; res[0].flags = IORESOURCE_IO; - res[0].start = KIRKWOOD_PCIE_IO_PHYS_BASE; + res[0].start = KIRKWOOD_PCIE_IO_BUS_BASE; res[0].end = res[0].start + KIRKWOOD_PCIE_IO_SIZE - 1; if (request_resource(&ioport_resource, &res[0])) panic("Request PCIe IO resource failed\n"); @@ -126,7 +126,7 @@ static int kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) */ res[1].name = "PCIe Memory Space"; res[1].flags = IORESOURCE_MEM; - res[1].start = KIRKWOOD_PCIE_MEM_PHYS_BASE; + res[1].start = KIRKWOOD_PCIE_MEM_BUS_BASE; res[1].end = res[1].start + KIRKWOOD_PCIE_MEM_SIZE - 1; if (request_resource(&iomem_resource, &res[1])) panic("Request PCIe Memory resource failed\n"); diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c index ec1a64f263d..2830f0fe80e 100644 --- a/arch/arm/mach-kirkwood/ts219-setup.c +++ b/arch/arm/mach-kirkwood/ts219-setup.c @@ -1,6 +1,6 @@ /* * - * QNAP TS-119/TS-219 Turbo NAS Board Setup + * QNAP TS-11x/TS-21x Turbo NAS Board Setup * * Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com> * Copyright (C) 2008 Byron Bradley <byron.bbradley@gmail.com> @@ -14,87 +14,17 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/mtd/physmap.h> -#include <linux/spi/flash.h> -#include <linux/spi/spi.h> -#include <linux/spi/orion_spi.h> #include <linux/i2c.h> #include <linux/mv643xx_eth.h> #include <linux/ata_platform.h> #include <linux/gpio_keys.h> #include <linux/input.h> -#include <linux/timex.h> -#include <linux/serial_reg.h> -#include <linux/pci.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/kirkwood.h> #include "common.h" #include "mpp.h" - -/**************************************************************************** - * 16 MiB 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 - * the QNAP firmware. - * Layout as used by QNAP: - * 0x00000000-0x00080000 : "U-Boot" - * 0x00200000-0x00400000 : "Kernel" - * 0x00400000-0x00d00000 : "RootFS" - * 0x00d00000-0x01000000 : "RootFS2" - * 0x00080000-0x000c0000 : "U-Boot Config" - * 0x000c0000-0x00200000 : "NAS Config" - * - * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout - * used by the QNAP TS-109/TS-209. - * - ***************************************************************************/ - -static struct mtd_partition qnap_ts219_partitions[] = { - { - .name = "U-Boot", - .size = 0x00080000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "Kernel", - .size = 0x00200000, - .offset = 0x00200000, - }, { - .name = "RootFS1", - .size = 0x00900000, - .offset = 0x00400000, - }, { - .name = "RootFS2", - .size = 0x00300000, - .offset = 0x00d00000, - }, { - .name = "U-Boot Config", - .size = 0x00040000, - .offset = 0x00080000, - }, { - .name = "NAS Config", - .size = 0x00140000, - .offset = 0x000c0000, - }, -}; - -static const struct flash_platform_data qnap_ts219_flash = { - .type = "m25p128", - .name = "spi_flash", - .parts = qnap_ts219_partitions, - .nr_parts = ARRAY_SIZE(qnap_ts219_partitions), -}; - -static struct spi_board_info __initdata qnap_ts219_spi_slave_info[] = { - { - .modalias = "m25p80", - .platform_data = &qnap_ts219_flash, - .irq = -1, - .max_speed_hz = 20000000, - .bus_num = 0, - .chip_select = 0, - }, -}; +#include "tsx1x-common.h" static struct i2c_board_info __initdata qnap_ts219_i2c_rtc = { I2C_BOARD_INFO("s35390a", 0x30), @@ -152,36 +82,10 @@ static unsigned int qnap_ts219_mpp_config[] __initdata = { MPP14_UART1_RXD, /* PIC controller */ MPP15_GPIO, /* USB Copy button */ MPP16_GPIO, /* Reset button */ + MPP36_GPIO, /* RAM: 0: 256 MB, 1: 512 MB */ 0 }; - -/***************************************************************************** - * QNAP TS-x19 specific power off method via UART1-attached PIC - ****************************************************************************/ - -#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) - -void qnap_ts219_power_off(void) -{ - /* 19200 baud divisor */ - const unsigned divisor = ((kirkwood_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_ts219_init(void) { /* @@ -192,9 +96,7 @@ static void __init qnap_ts219_init(void) kirkwood_uart0_init(); kirkwood_uart1_init(); /* A PIC controller is connected here. */ - spi_register_board_info(qnap_ts219_spi_slave_info, - ARRAY_SIZE(qnap_ts219_spi_slave_info)); - kirkwood_spi_init(); + qnap_tsx1x_register_flash(); kirkwood_i2c_init(); i2c_register_board_info(0, &qnap_ts219_i2c_rtc, 1); kirkwood_ge00_init(&qnap_ts219_ge00_data); @@ -202,7 +104,7 @@ static void __init qnap_ts219_init(void) kirkwood_ehci_init(); platform_device_register(&qnap_ts219_button_device); - pm_power_off = qnap_ts219_power_off; + pm_power_off = qnap_tsx1x_power_off; } diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c new file mode 100644 index 00000000000..de49c2d9e74 --- /dev/null +++ b/arch/arm/mach-kirkwood/ts41x-setup.c @@ -0,0 +1,154 @@ +/* + * + * QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS Board Setup + * + * Copyright (C) 2009 Martin Michlmayr <tbm@cyrius.com> + * Copyright (C) 2008 Byron Bradley <byron.bbradley@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/i2c.h> +#include <linux/mv643xx_eth.h> +#include <linux/ata_platform.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" +#include "tsx1x-common.h" + +static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = { + I2C_BOARD_INFO("s35390a", 0x30), +}; + +static struct mv643xx_eth_platform_data qnap_ts41x_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv643xx_eth_platform_data qnap_ts41x_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static struct mv_sata_platform_data qnap_ts41x_sata_data = { + .n_ports = 2, +}; + +static struct gpio_keys_button qnap_ts41x_buttons[] = { + { + .code = KEY_COPY, + .gpio = 43, + .desc = "USB Copy", + .active_low = 1, + }, + { + .code = KEY_RESTART, + .gpio = 37, + .desc = "Reset", + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data qnap_ts41x_button_data = { + .buttons = qnap_ts41x_buttons, + .nbuttons = ARRAY_SIZE(qnap_ts41x_buttons), +}; + +static struct platform_device qnap_ts41x_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &qnap_ts41x_button_data, + } +}; + +static unsigned int qnap_ts41x_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP6_SYSRST_OUTn, + MPP7_PEX_RST_OUTn, + MPP8_TW_SDA, + MPP9_TW_SCK, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP13_UART1_TXD, /* PIC controller */ + MPP14_UART1_RXD, /* PIC controller */ + MPP15_SATA0_ACTn, + MPP16_SATA1_ACTn, + MPP20_GE1_0, + MPP21_GE1_1, + MPP22_GE1_2, + MPP23_GE1_3, + MPP24_GE1_4, + MPP25_GE1_5, + MPP26_GE1_6, + MPP27_GE1_7, + MPP30_GE1_10, + MPP31_GE1_11, + MPP32_GE1_12, + MPP33_GE1_13, + MPP36_GPIO, /* RAM: 0: 256 MB, 1: 512 MB */ + MPP37_GPIO, /* Reset button */ + MPP43_GPIO, /* USB Copy button */ + MPP44_GPIO, /* Board ID: 0: TS-419U, 1: TS-419 */ + MPP45_GPIO, /* JP1: 0: console, 1: LCD */ + MPP46_GPIO, /* External SATA HDD1 error indicator */ + MPP47_GPIO, /* External SATA HDD2 error indicator */ + MPP48_GPIO, /* External SATA HDD3 error indicator */ + MPP49_GPIO, /* External SATA HDD4 error indicator */ + 0 +}; + +static void __init qnap_ts41x_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_init(); + kirkwood_mpp_conf(qnap_ts41x_mpp_config); + + kirkwood_uart0_init(); + kirkwood_uart1_init(); /* A PIC controller is connected here. */ + qnap_tsx1x_register_flash(); + kirkwood_i2c_init(); + i2c_register_board_info(0, &qnap_ts41x_i2c_rtc, 1); + kirkwood_ge00_init(&qnap_ts41x_ge00_data); + kirkwood_ge01_init(&qnap_ts41x_ge01_data); + kirkwood_sata_init(&qnap_ts41x_sata_data); + kirkwood_ehci_init(); + platform_device_register(&qnap_ts41x_button_device); + + pm_power_off = qnap_tsx1x_power_off; + +} + +static int __init ts41x_pci_init(void) +{ + if (machine_is_ts41x()) + kirkwood_pcie_init(); + + return 0; +} +subsys_initcall(ts41x_pci_init); + +MACHINE_START(TS41X, "QNAP TS-41x") + /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */ + .phys_io = KIRKWOOD_REGS_PHYS_BASE, + .io_pg_offst = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc, + .boot_params = 0x00000100, + .init_machine = qnap_ts41x_init, + .map_io = kirkwood_map_io, + .init_irq = kirkwood_init_irq, + .timer = &kirkwood_timer, +MACHINE_END diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c new file mode 100644 index 00000000000..7221c20b2af --- /dev/null +++ b/arch/arm/mach-kirkwood/tsx1x-common.c @@ -0,0 +1,113 @@ +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/platform_device.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/spi/orion_spi.h> +#include <linux/serial_reg.h> +#include <mach/kirkwood.h> +#include "common.h" + +/* + * QNAP TS-x1x Boards flash + */ + +/**************************************************************************** + * 16 MiB 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 + * the QNAP firmware. + * Layout as used by QNAP: + * 0x00000000-0x00080000 : "U-Boot" + * 0x00200000-0x00400000 : "Kernel" + * 0x00400000-0x00d00000 : "RootFS" + * 0x00d00000-0x01000000 : "RootFS2" + * 0x00080000-0x000c0000 : "U-Boot Config" + * 0x000c0000-0x00200000 : "NAS Config" + * + * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout + * used by the QNAP TS-109/TS-209. + * + ***************************************************************************/ + +struct mtd_partition qnap_tsx1x_partitions[] = { + { + .name = "U-Boot", + .size = 0x00080000, + .offset = 0, + .mask_flags = MTD_WRITEABLE, + }, { + .name = "Kernel", + .size = 0x00200000, + .offset = 0x00200000, + }, { + .name = "RootFS1", + .size = 0x00900000, + .offset = 0x00400000, + }, { + .name = "RootFS2", + .size = 0x00300000, + .offset = 0x00d00000, + }, { + .name = "U-Boot Config", + .size = 0x00040000, + .offset = 0x00080000, + }, { + .name = "NAS Config", + .size = 0x00140000, + .offset = 0x000c0000, + }, +}; + +const struct flash_platform_data qnap_tsx1x_flash = { + .type = "m25p128", + .name = "spi_flash", + .parts = qnap_tsx1x_partitions, + .nr_parts = ARRAY_SIZE(qnap_tsx1x_partitions), +}; + +struct spi_board_info __initdata qnap_tsx1x_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &qnap_tsx1x_flash, + .irq = -1, + .max_speed_hz = 20000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +void qnap_tsx1x_register_flash(void) +{ + spi_register_board_info(qnap_tsx1x_spi_slave_info, + ARRAY_SIZE(qnap_tsx1x_spi_slave_info)); + kirkwood_spi_init(); +} + + +/***************************************************************************** + * QNAP TS-x1x specific power off method via UART1-attached PIC + ****************************************************************************/ + +#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) + +void qnap_tsx1x_power_off(void) +{ + /* 19200 baud divisor */ + const unsigned divisor = ((kirkwood_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)); +} + diff --git a/arch/arm/mach-kirkwood/tsx1x-common.h b/arch/arm/mach-kirkwood/tsx1x-common.h new file mode 100644 index 00000000000..9a592962a6e --- /dev/null +++ b/arch/arm/mach-kirkwood/tsx1x-common.h @@ -0,0 +1,7 @@ +#ifndef __ARCH_KIRKWOOD_TSX1X_COMMON_H +#define __ARCH_KIRKWOOD_TSX1X_COMMON_H + +extern void qnap_tsx1x_register_flash(void); +extern void qnap_tsx1x_power_off(void); + +#endif |