diff options
Diffstat (limited to 'arch/arm/mach-kirkwood')
| -rw-r--r-- | arch/arm/mach-kirkwood/Kconfig | 22 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/Makefile.boot | 4 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dnskw.c | 275 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dreamplug.c | 151 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-dt.c | 168 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-ib62x0.c | 143 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/board-iconnect.c | 165 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 285 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/common.h | 34 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/cpuidle.c | 72 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 16 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/io.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/pcie.c | 41 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/rd88f6192-nas-setup.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/t5325-setup.c | 1 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/tsx1x-common.c | 1 |
18 files changed, 1094 insertions, 292 deletions
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig index 90ceab76192..199764fe0fb 100644 --- a/arch/arm/mach-kirkwood/Kconfig +++ b/arch/arm/mach-kirkwood/Kconfig @@ -58,6 +58,28 @@ config MACH_DREAMPLUG_DT Say 'Y' here if you want your kernel to support the Marvell DreamPlug (Flattened Device Tree). +config MACH_ICONNECT_DT + bool "Iomega Iconnect (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here to enable Iomega Iconnect support. + +config MACH_DLINK_KIRKWOOD_DT + bool "D-Link Kirkwood-based NAS (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + Kirkwood-based D-Link NASes such as DNS-320 & DNS-325, + using Flattened Device Tree. + +config MACH_IB62X0_DT + bool "RaidSonic IB-NAS6210, IB-NAS6220 (Flattened Device Tree)" + select ARCH_KIRKWOOD_DT + help + Say 'Y' here if you want your kernel to support the + RaidSonic IB-NAS6210 & IB-NAS6220 devices, using + Flattened Device Tree. + config MACH_TS219 bool "QNAP TS-110, TS-119, TS-119P+, TS-210, TS-219, TS-219P and TS-219P+ Turbo NAS" help diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile index acbc5e1db06..d2b05907b10 100644 --- a/arch/arm/mach-kirkwood/Makefile +++ b/arch/arm/mach-kirkwood/Makefile @@ -21,3 +21,7 @@ obj-$(CONFIG_MACH_T5325) += t5325-setup.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o obj-$(CONFIG_ARCH_KIRKWOOD_DT) += board-dt.o +obj-$(CONFIG_MACH_DREAMPLUG_DT) += board-dreamplug.o +obj-$(CONFIG_MACH_ICONNECT_DT) += board-iconnect.o +obj-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += board-dnskw.o +obj-$(CONFIG_MACH_IB62X0_DT) += board-ib62x0.o diff --git a/arch/arm/mach-kirkwood/Makefile.boot b/arch/arm/mach-kirkwood/Makefile.boot index 16f93852230..02edbdf5b06 100644 --- a/arch/arm/mach-kirkwood/Makefile.boot +++ b/arch/arm/mach-kirkwood/Makefile.boot @@ -3,3 +3,7 @@ params_phys-y := 0x00000100 initrd_phys-y := 0x00800000 dtb-$(CONFIG_MACH_DREAMPLUG_DT) += kirkwood-dreamplug.dtb +dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns320.dtb +dtb-$(CONFIG_MACH_DLINK_KIRKWOOD_DT) += kirkwood-dns325.dtb +dtb-$(CONFIG_MACH_ICONNECT_DT) += kirkwood-iconnect.dtb +dtb-$(CONFIG_MACH_IB62X0_DT) += kirkwood-ib62x0.dtb diff --git a/arch/arm/mach-kirkwood/board-dnskw.c b/arch/arm/mach-kirkwood/board-dnskw.c new file mode 100644 index 00000000000..58c2d68f944 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-dnskw.c @@ -0,0 +1,275 @@ +/* + * Copyright 2012 (C), Jamie Lentin <jm@lentin.co.uk> + * + * arch/arm/mach-kirkwood/board-dnskw.c + * + * D-link DNS-320 & DNS-325 NAS Init for drivers not converted to + * flattened device tree yet. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/i2c.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/of.h> +#include <linux/gpio.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <linux/gpio-fan.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <mach/kirkwood.h> +#include <mach/bridge-regs.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data dnskw_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv_sata_platform_data dnskw_sata_data = { + .n_ports = 2, +}; + +static unsigned int dnskw_mpp_config[] __initdata = { + MPP13_UART1_TXD, /* Custom ... */ + MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */ + MPP20_SATA1_ACTn, /* LED: White Right HDD */ + MPP21_SATA0_ACTn, /* LED: White Left HDD */ + MPP24_GPIO, + MPP25_GPIO, + MPP26_GPIO, /* LED: Power */ + MPP27_GPIO, /* LED: Red Right HDD */ + MPP28_GPIO, /* LED: Red Left HDD */ + MPP29_GPIO, /* LED: Red USB (DNS-325 only) */ + MPP30_GPIO, + MPP31_GPIO, + MPP32_GPIO, + MPP33_GPO, + MPP34_GPIO, /* Button: Front power */ + MPP35_GPIO, /* LED: Red USB (DNS-320 only) */ + MPP36_GPIO, /* Power: Turn off board */ + MPP37_GPIO, /* Power: Turn back on after power failure */ + MPP38_GPIO, + MPP39_GPIO, /* Power: SATA0 */ + MPP40_GPIO, /* Power: SATA1 */ + MPP41_GPIO, /* SATA0 present */ + MPP42_GPIO, /* SATA1 present */ + MPP43_GPIO, /* LED: White USB */ + MPP44_GPIO, /* Fan: Tachometer Pin */ + MPP45_GPIO, /* Fan: high speed */ + MPP46_GPIO, /* Fan: low speed */ + MPP47_GPIO, /* Button: Back unmount */ + MPP48_GPIO, /* Button: Back reset */ + MPP49_GPIO, /* Temp Alarm (DNS-325) Pin of U5 (DNS-320) */ + 0 +}; + +static struct gpio_led dns325_led_pins[] = { + { + .name = "dns325:white:power", + .gpio = 26, + .active_low = 1, + .default_trigger = "default-on", + }, + { + .name = "dns325:white:usb", + .gpio = 43, + .active_low = 1, + }, + { + .name = "dns325:red:l_hdd", + .gpio = 28, + .active_low = 1, + }, + { + .name = "dns325:red:r_hdd", + .gpio = 27, + .active_low = 1, + }, + { + .name = "dns325:red:usb", + .gpio = 29, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data dns325_led_data = { + .num_leds = ARRAY_SIZE(dns325_led_pins), + .leds = dns325_led_pins, +}; + +static struct platform_device dns325_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &dns325_led_data, + }, +}; + +static struct gpio_led dns320_led_pins[] = { + { + .name = "dns320:blue:power", + .gpio = 26, + .active_low = 1, + .default_trigger = "default-on", + }, + { + .name = "dns320:blue:usb", + .gpio = 43, + .active_low = 1, + }, + { + .name = "dns320:orange:l_hdd", + .gpio = 28, + .active_low = 1, + }, + { + .name = "dns320:orange:r_hdd", + .gpio = 27, + .active_low = 1, + }, + { + .name = "dns320:orange:usb", + .gpio = 35, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data dns320_led_data = { + .num_leds = ARRAY_SIZE(dns320_led_pins), + .leds = dns320_led_pins, +}; + +static struct platform_device dns320_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &dns320_led_data, + }, +}; + +static struct i2c_board_info dns325_i2c_board_info[] __initdata = { + { + I2C_BOARD_INFO("lm75", 0x48), + }, + /* Something at 0x0c also */ +}; + +static struct gpio_keys_button dnskw_button_pins[] = { + { + .code = KEY_POWER, + .gpio = 34, + .desc = "Power button", + .active_low = 1, + }, + { + .code = KEY_EJECTCD, + .gpio = 47, + .desc = "USB unmount button", + .active_low = 1, + }, + { + .code = KEY_RESTART, + .gpio = 48, + .desc = "Reset button", + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data dnskw_button_data = { + .buttons = dnskw_button_pins, + .nbuttons = ARRAY_SIZE(dnskw_button_pins), +}; + +static struct platform_device dnskw_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &dnskw_button_data, + } +}; + +/* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */ +static struct gpio_fan_speed dnskw_fan_speed[] = { + { 0, 0 }, + { 3000, 1 }, + { 6000, 2 }, +}; +static unsigned dnskw_fan_pins[] = {46, 45}; + +static struct gpio_fan_platform_data dnskw_fan_data = { + .num_ctrl = ARRAY_SIZE(dnskw_fan_pins), + .ctrl = dnskw_fan_pins, + .num_speed = ARRAY_SIZE(dnskw_fan_speed), + .speed = dnskw_fan_speed, +}; + +static struct platform_device dnskw_fan_device = { + .name = "gpio-fan", + .id = -1, + .dev = { + .platform_data = &dnskw_fan_data, + }, +}; + +static void dnskw_power_off(void) +{ + gpio_set_value(36, 1); +} + +/* Register any GPIO for output and set the value */ +static void __init dnskw_gpio_register(unsigned gpio, char *name, int def) +{ + if (gpio_request(gpio, name) == 0 && + gpio_direction_output(gpio, 0) == 0) { + gpio_set_value(gpio, def); + if (gpio_export(gpio, 0) != 0) + pr_err("dnskw: Failed to export GPIO %s\n", name); + } else + pr_err("dnskw: Failed to register %s\n", name); +} + +void __init dnskw_init(void) +{ + kirkwood_mpp_conf(dnskw_mpp_config); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&dnskw_ge00_data); + kirkwood_sata_init(&dnskw_sata_data); + kirkwood_i2c_init(); + + platform_device_register(&dnskw_button_device); + platform_device_register(&dnskw_fan_device); + + if (of_machine_is_compatible("dlink,dns-325")) { + i2c_register_board_info(0, dns325_i2c_board_info, + ARRAY_SIZE(dns325_i2c_board_info)); + platform_device_register(&dns325_led_device); + + } else if (of_machine_is_compatible("dlink,dns-320")) + platform_device_register(&dns320_led_device); + + /* Register power-off GPIO. */ + if (gpio_request(36, "dnskw:power:off") == 0 + && gpio_direction_output(36, 0) == 0) + pm_power_off = dnskw_power_off; + else + pr_err("dnskw: failed to configure power-off GPIO\n"); + + /* Ensure power is supplied to both HDDs */ + dnskw_gpio_register(39, "dnskw:power:sata0", 1); + dnskw_gpio_register(40, "dnskw:power:sata1", 1); + + /* Set NAS to turn back on after a power failure */ + dnskw_gpio_register(37, "dnskw:power:recover", 1); +} diff --git a/arch/arm/mach-kirkwood/board-dreamplug.c b/arch/arm/mach-kirkwood/board-dreamplug.c new file mode 100644 index 00000000000..55e357ab292 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-dreamplug.c @@ -0,0 +1,151 @@ +/* + * Copyright 2012 (C), Jason Cooper <jason@lakedaemon.net> + * + * arch/arm/mach-kirkwood/board-dreamplug.c + * + * Marvell DreamPlug Reference Board Init for drivers not converted to + * flattened device tree yet. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <mach/kirkwood.h> +#include <mach/bridge-regs.h> +#include <plat/mvsdio.h> +#include "common.h" +#include "mpp.h" + +struct mtd_partition dreamplug_partitions[] = { + { + .name = "u-boot", + .size = SZ_512K, + .offset = 0, + }, + { + .name = "u-boot env", + .size = SZ_64K, + .offset = SZ_512K + SZ_512K, + }, + { + .name = "dtb", + .size = SZ_64K, + .offset = SZ_512K + SZ_512K + SZ_512K, + }, +}; + +static const struct flash_platform_data dreamplug_spi_slave_data = { + .type = "mx25l1606e", + .name = "spi_flash", + .parts = dreamplug_partitions, + .nr_parts = ARRAY_SIZE(dreamplug_partitions), +}; + +static struct spi_board_info __initdata dreamplug_spi_slave_info[] = { + { + .modalias = "m25p80", + .platform_data = &dreamplug_spi_slave_data, + .irq = -1, + .max_speed_hz = 50000000, + .bus_num = 0, + .chip_select = 0, + }, +}; + +static struct mv643xx_eth_platform_data dreamplug_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(0), +}; + +static struct mv643xx_eth_platform_data dreamplug_ge01_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(1), +}; + +static struct mv_sata_platform_data dreamplug_sata_data = { + .n_ports = 1, +}; + +static struct mvsdio_platform_data dreamplug_mvsdio_data = { + /* unfortunately the CD signal has not been connected */ +}; + +static struct gpio_led dreamplug_led_pins[] = { + { + .name = "dreamplug:blue:bluetooth", + .gpio = 47, + .active_low = 1, + }, + { + .name = "dreamplug:green:wifi", + .gpio = 48, + .active_low = 1, + }, + { + .name = "dreamplug:green:wifi_ap", + .gpio = 49, + .active_low = 1, + }, +}; + +static struct gpio_led_platform_data dreamplug_led_data = { + .leds = dreamplug_led_pins, + .num_leds = ARRAY_SIZE(dreamplug_led_pins), +}; + +static struct platform_device dreamplug_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &dreamplug_led_data, + } +}; + +static unsigned int dreamplug_mpp_config[] __initdata = { + MPP0_SPI_SCn, + MPP1_SPI_MOSI, + MPP2_SPI_SCK, + MPP3_SPI_MISO, + MPP47_GPIO, /* Bluetooth LED */ + MPP48_GPIO, /* Wifi LED */ + MPP49_GPIO, /* Wifi AP LED */ + 0 +}; + +void __init dreamplug_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(dreamplug_mpp_config); + + spi_register_board_info(dreamplug_spi_slave_info, + ARRAY_SIZE(dreamplug_spi_slave_info)); + kirkwood_spi_init(); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&dreamplug_ge00_data); + kirkwood_ge01_init(&dreamplug_ge01_data); + kirkwood_sata_init(&dreamplug_sata_data); + kirkwood_sdio_init(&dreamplug_mvsdio_data); + + platform_device_register(&dreamplug_leds); +} diff --git a/arch/arm/mach-kirkwood/board-dt.c b/arch/arm/mach-kirkwood/board-dt.c index fbe6405602e..edc3f8a9d45 100644 --- a/arch/arm/mach-kirkwood/board-dt.c +++ b/arch/arm/mach-kirkwood/board-dt.c @@ -3,7 +3,7 @@ * * arch/arm/mach-kirkwood/board-dt.c * - * Marvell DreamPlug Reference Board Setup + * Flattened Device Tree board initialization * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -12,159 +12,71 @@ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/mtd/partitions.h> -#include <linux/ata_platform.h> -#include <linux/mv643xx_eth.h> #include <linux/of.h> -#include <linux/of_address.h> -#include <linux/of_fdt.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> -#include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/mtd/physmap.h> -#include <linux/spi/flash.h> -#include <linux/spi/spi.h> -#include <linux/spi/orion_spi.h> -#include <asm/mach-types.h> +#include <linux/kexec.h> #include <asm/mach/arch.h> -#include <mach/kirkwood.h> -#include <plat/mvsdio.h> +#include <asm/mach/map.h> +#include <mach/bridge-regs.h> #include "common.h" -#include "mpp.h" static struct of_device_id kirkwood_dt_match_table[] __initdata = { { .compatible = "simple-bus", }, { } }; -struct mtd_partition dreamplug_partitions[] = { - { - .name = "u-boot", - .size = SZ_512K, - .offset = 0, - }, - { - .name = "u-boot env", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K, - }, - { - .name = "dtb", - .size = SZ_64K, - .offset = SZ_512K + SZ_512K + SZ_512K, - }, -}; - -static const struct flash_platform_data dreamplug_spi_slave_data = { - .type = "mx25l1606e", - .name = "spi_flash", - .parts = dreamplug_partitions, - .nr_parts = ARRAY_SIZE(dreamplug_partitions), -}; - -static struct spi_board_info __initdata dreamplug_spi_slave_info[] = { - { - .modalias = "m25p80", - .platform_data = &dreamplug_spi_slave_data, - .irq = -1, - .max_speed_hz = 50000000, - .bus_num = 0, - .chip_select = 0, - }, -}; - -static struct mv643xx_eth_platform_data dreamplug_ge00_data = { - .phy_addr = MV643XX_ETH_PHY_ADDR(0), -}; - -static struct mv643xx_eth_platform_data dreamplug_ge01_data = { - .phy_addr = MV643XX_ETH_PHY_ADDR(1), -}; - -static struct mv_sata_platform_data dreamplug_sata_data = { - .n_ports = 1, -}; - -static struct mvsdio_platform_data dreamplug_mvsdio_data = { - /* unfortunately the CD signal has not been connected */ -}; - -static struct gpio_led dreamplug_led_pins[] = { - { - .name = "dreamplug:blue:bluetooth", - .gpio = 47, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi", - .gpio = 48, - .active_low = 1, - }, - { - .name = "dreamplug:green:wifi_ap", - .gpio = 49, - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data dreamplug_led_data = { - .leds = dreamplug_led_pins, - .num_leds = ARRAY_SIZE(dreamplug_led_pins), -}; - -static struct platform_device dreamplug_leds = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &dreamplug_led_data, - } -}; - -static unsigned int dreamplug_mpp_config[] __initdata = { - MPP0_SPI_SCn, - MPP1_SPI_MOSI, - MPP2_SPI_SCK, - MPP3_SPI_MISO, - MPP47_GPIO, /* Bluetooth LED */ - MPP48_GPIO, /* Wifi LED */ - MPP49_GPIO, /* Wifi AP LED */ - 0 -}; - -static void __init dreamplug_init(void) +static void __init kirkwood_dt_init(void) { + pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk); + /* - * Basic setup. Needs to be called early. + * 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. */ - kirkwood_mpp_conf(dreamplug_mpp_config); + writel(readl(CPU_CONFIG) & ~CPU_CONFIG_ERROR_PROP, CPU_CONFIG); - spi_register_board_info(dreamplug_spi_slave_info, - ARRAY_SIZE(dreamplug_spi_slave_info)); - kirkwood_spi_init(); + kirkwood_setup_cpu_mbus(); - kirkwood_ehci_init(); - kirkwood_ge00_init(&dreamplug_ge00_data); - kirkwood_ge01_init(&dreamplug_ge01_data); - kirkwood_sata_init(&dreamplug_sata_data); - kirkwood_sdio_init(&dreamplug_mvsdio_data); +#ifdef CONFIG_CACHE_FEROCEON_L2 + kirkwood_l2_init(); +#endif - platform_device_register(&dreamplug_leds); -} + /* Setup root of clk tree */ + kirkwood_clk_init(); -static void __init kirkwood_dt_init(void) -{ - kirkwood_init(); + /* internal devices that every board has */ + kirkwood_wdt_init(); + kirkwood_xor0_init(); + kirkwood_xor1_init(); + kirkwood_crypto_init(); + +#ifdef CONFIG_KEXEC + kexec_reinit = kirkwood_enable_pcie; +#endif if (of_machine_is_compatible("globalscale,dreamplug")) dreamplug_init(); + if (of_machine_is_compatible("dlink,dns-kirkwood")) + dnskw_init(); + + if (of_machine_is_compatible("iom,iconnect")) + iconnect_init(); + + if (of_machine_is_compatible("raidsonic,ib-nas62x0")) + ib62x0_init(); + of_platform_populate(NULL, kirkwood_dt_match_table, NULL, NULL); } static const char *kirkwood_dt_board_compat[] = { "globalscale,dreamplug", + "dlink,dns-320", + "dlink,dns-325", + "iom,iconnect", + "raidsonic,ib-nas62x0", NULL }; diff --git a/arch/arm/mach-kirkwood/board-ib62x0.c b/arch/arm/mach-kirkwood/board-ib62x0.c new file mode 100644 index 00000000000..eddf1df8891 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-ib62x0.c @@ -0,0 +1,143 @@ +/* + * Copyright 2012 (C), Simon Baatz <gmbnomis@gmail.com> + * + * arch/arm/mach-kirkwood/board-ib62x0.c + * + * RaidSonic ICY BOX IB-NAS6210 & IB-NAS6220 init for drivers not + * converted to flattened device tree yet. + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/ata_platform.h> +#include <linux/mv643xx_eth.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/leds.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" + +#define IB62X0_GPIO_POWER_OFF 24 + +static struct mv643xx_eth_platform_data ib62x0_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(8), +}; + +static struct mv_sata_platform_data ib62x0_sata_data = { + .n_ports = 2, +}; + +static unsigned int ib62x0_mpp_config[] __initdata = { + MPP0_NF_IO2, + MPP1_NF_IO3, + MPP2_NF_IO4, + MPP3_NF_IO5, + MPP4_NF_IO6, + MPP5_NF_IO7, + MPP18_NF_IO0, + MPP19_NF_IO1, + MPP22_GPIO, /* OS LED red */ + MPP24_GPIO, /* Power off device */ + MPP25_GPIO, /* OS LED green */ + MPP27_GPIO, /* USB transfer LED */ + MPP28_GPIO, /* Reset button */ + MPP29_GPIO, /* USB Copy button */ + 0 +}; + +static struct gpio_led ib62x0_led_pins[] = { + { + .name = "ib62x0:green:os", + .default_trigger = "default-on", + .gpio = 25, + .active_low = 0, + }, + { + .name = "ib62x0:red:os", + .default_trigger = "none", + .gpio = 22, + .active_low = 0, + }, + { + .name = "ib62x0:red:usb_copy", + .default_trigger = "none", + .gpio = 27, + .active_low = 0, + }, +}; + +static struct gpio_led_platform_data ib62x0_led_data = { + .leds = ib62x0_led_pins, + .num_leds = ARRAY_SIZE(ib62x0_led_pins), +}; + +static struct platform_device ib62x0_led_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &ib62x0_led_data, + } +}; + +static struct gpio_keys_button ib62x0_button_pins[] = { + { + .code = KEY_COPY, + .gpio = 29, + .desc = "USB Copy", + .active_low = 1, + }, + { + .code = KEY_RESTART, + .gpio = 28, + .desc = "Reset", + .active_low = 1, + }, +}; + +static struct gpio_keys_platform_data ib62x0_button_data = { + .buttons = ib62x0_button_pins, + .nbuttons = ARRAY_SIZE(ib62x0_button_pins), +}; + +static struct platform_device ib62x0_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ib62x0_button_data, + } +}; + +static void ib62x0_power_off(void) +{ + gpio_set_value(IB62X0_GPIO_POWER_OFF, 1); +} + +void __init ib62x0_init(void) +{ + /* + * Basic setup. Needs to be called early. + */ + kirkwood_mpp_conf(ib62x0_mpp_config); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&ib62x0_ge00_data); + kirkwood_sata_init(&ib62x0_sata_data); + platform_device_register(&ib62x0_led_device); + platform_device_register(&ib62x0_button_device); + if (gpio_request(IB62X0_GPIO_POWER_OFF, "ib62x0:power:off") == 0 && + gpio_direction_output(IB62X0_GPIO_POWER_OFF, 0) == 0) + pm_power_off = ib62x0_power_off; + else + pr_err("board-ib62x0: failed to configure power-off GPIO\n"); +} diff --git a/arch/arm/mach-kirkwood/board-iconnect.c b/arch/arm/mach-kirkwood/board-iconnect.c new file mode 100644 index 00000000000..2222c573951 --- /dev/null +++ b/arch/arm/mach-kirkwood/board-iconnect.c @@ -0,0 +1,165 @@ +/* + * arch/arm/mach-kirkwood/board-iconnect.c + * + * Iomega i-connect Board Setup + * + * 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/kernel.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <linux/mtd/partitions.h> +#include <linux/mv643xx_eth.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <linux/spi/flash.h> +#include <linux/spi/spi.h> +#include <linux/spi/orion_spi.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> +#include <asm/mach/arch.h> +#include <mach/kirkwood.h> +#include "common.h" +#include "mpp.h" + +static struct mv643xx_eth_platform_data iconnect_ge00_data = { + .phy_addr = MV643XX_ETH_PHY_ADDR(11), +}; + +static struct gpio_led iconnect_led_pins[] = { + { + .name = "led_level", + .gpio = 41, + .default_trigger = "default-on", + }, { + .name = "power:blue", + .gpio = 42, + .default_trigger = "timer", + }, { + .name = "power:red", + .gpio = 43, + }, { + .name = "usb1:blue", + .gpio = 44, + }, { + .name = "usb2:blue", + .gpio = 45, + }, { + .name = "usb3:blue", + .gpio = 46, + }, { + .name = "usb4:blue", + .gpio = 47, + }, { + .name = "otb:blue", + .gpio = 48, + }, +}; + +static struct gpio_led_platform_data iconnect_led_data = { + .leds = iconnect_led_pins, + .num_leds = ARRAY_SIZE(iconnect_led_pins), + .gpio_blink_set = orion_gpio_led_blink_set, +}; + +static struct platform_device iconnect_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &iconnect_led_data, + } +}; + +static unsigned int iconnect_mpp_config[] __initdata = { + MPP12_GPIO, + MPP35_GPIO, + MPP41_GPIO, + MPP42_GPIO, + MPP43_GPIO, + MPP44_GPIO, + MPP45_GPIO, + MPP46_GPIO, + MPP47_GPIO, + MPP48_GPIO, + 0 +}; + +static struct i2c_board_info __initdata iconnect_board_info[] = { + { + I2C_BOARD_INFO("lm63", 0x4c), + }, +}; + +static struct mtd_partition iconnect_nand_parts[] = { + { + .name = "flash", + .offset = 0, + .size = MTDPART_SIZ_FULL, + }, +}; + +/* yikes... theses are the original input buttons */ +/* but I'm not convinced by the sw event choices */ +static struct gpio_keys_button iconnect_buttons[] = { + { + .type = EV_SW, + .code = SW_LID, + .gpio = 12, + .desc = "Reset Button", + .active_low = 1, + .debounce_interval = 100, + }, { + .type = EV_SW, + .code = SW_TABLET_MODE, + .gpio = 35, + .desc = "OTB Button", + .active_low = 1, + .debounce_interval = 100, + }, +}; + +static struct gpio_keys_platform_data iconnect_button_data = { + .buttons = iconnect_buttons, + .nbuttons = ARRAY_SIZE(iconnect_buttons), +}; + +static struct platform_device iconnect_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &iconnect_button_data, + }, +}; + +void __init iconnect_init(void) +{ + kirkwood_mpp_conf(iconnect_mpp_config); + kirkwood_nand_init(ARRAY_AND_SIZE(iconnect_nand_parts), 25); + kirkwood_i2c_init(); + i2c_register_board_info(0, iconnect_board_info, + ARRAY_SIZE(iconnect_board_info)); + + kirkwood_ehci_init(); + kirkwood_ge00_init(&iconnect_ge00_data); + + platform_device_register(&iconnect_button_device); + platform_device_register(&iconnect_leds); +} + +static int __init iconnect_pci_init(void) +{ + if (of_machine_is_compatible("iom,iconnect")) + kirkwood_pcie_init(KW_PCIE0); + return 0; +} +subsys_initcall(iconnect_pci_init); diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c index 77d4852e19f..25fb3fd418e 100644 --- a/arch/arm/mach-kirkwood/common.c +++ b/arch/arm/mach-kirkwood/common.c @@ -15,6 +15,8 @@ #include <linux/ata_platform.h> #include <linux/mtd/nand.h> #include <linux/dma-mapping.h> +#include <linux/clk-provider.h> +#include <linux/spinlock.h> #include <net/dsa.h> #include <asm/page.h> #include <asm/timex.h> @@ -31,6 +33,7 @@ #include <plat/common.h> #include <plat/time.h> #include <plat/addr-map.h> +#include <plat/mv_xor.h> #include "common.h" /***************************************************************************** @@ -60,20 +63,188 @@ void __init kirkwood_map_io(void) iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); } -/* - * Default clock control bits. Any bit _not_ set in this variable - * will be cleared from the hardware after platform devices have been - * registered. Some reserved bits must be set to 1. - */ -unsigned int kirkwood_clk_ctrl = CGC_DUNIT | CGC_RESERVED; +/***************************************************************************** + * CLK tree + ****************************************************************************/ + +static void disable_sata0(void) +{ + /* Disable PLL and IVREF */ + writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2); + /* Disable PHY */ + writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL); +} + +static void disable_sata1(void) +{ + /* Disable PLL and IVREF */ + writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2); + /* Disable PHY */ + writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL); +} + +static void disable_pcie0(void) +{ + writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL); + while (1) + if (readl(PCIE_STATUS) & 0x1) + break; + writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL); +} + +static void disable_pcie1(void) +{ + u32 dev, rev; + + kirkwood_pcie_id(&dev, &rev); + + if (dev == MV88F6282_DEV_ID) { + writel(readl(PCIE1_LINK_CTRL) | 0x10, PCIE1_LINK_CTRL); + while (1) + if (readl(PCIE1_STATUS) & 0x1) + break; + writel(readl(PCIE1_LINK_CTRL) & ~0x10, PCIE1_LINK_CTRL); + } +} + +/* An extended version of the gated clk. This calls fn() before + * disabling the clock. We use this to turn off PHYs etc. */ +struct clk_gate_fn { + struct clk_gate gate; + void (*fn)(void); +}; +#define to_clk_gate_fn(_gate) container_of(_gate, struct clk_gate_fn, gate) +#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw) + +static void clk_gate_fn_disable(struct clk_hw *hw) +{ + struct clk_gate *gate = to_clk_gate(hw); + struct clk_gate_fn *gate_fn = to_clk_gate_fn(gate); + + if (gate_fn->fn) + gate_fn->fn(); + + clk_gate_ops.disable(hw); +} + +static struct clk_ops clk_gate_fn_ops; + +static struct clk __init *clk_register_gate_fn(struct device *dev, + const char *name, + const char *parent_name, unsigned long flags, + void __iomem *reg, u8 bit_idx, + u8 clk_gate_flags, spinlock_t *lock, + void (*fn)(void)) +{ + struct clk_gate_fn *gate_fn; + struct clk *clk; + struct clk_init_data init; + + gate_fn = kzalloc(sizeof(struct clk_gate_fn), GFP_KERNEL); + if (!gate_fn) { + pr_err("%s: could not allocate gated clk\n", __func__); + return ERR_PTR(-ENOMEM); + } + + init.name = name; + init.ops = &clk_gate_fn_ops; + init.flags = flags; + init.parent_names = (parent_name ? &parent_name : NULL); + init.num_parents = (parent_name ? 1 : 0); + + /* struct clk_gate assignments */ + gate_fn->gate.reg = reg; + gate_fn->gate.bit_idx = bit_idx; + gate_fn->gate.flags = clk_gate_flags; + gate_fn->gate.lock = lock; + gate_fn->gate.hw.init = &init; + + /* ops is the gate ops, but with our disable function */ + if (clk_gate_fn_ops.disable != clk_gate_fn_disable) { + clk_gate_fn_ops = clk_gate_ops; + clk_gate_fn_ops.disable = clk_gate_fn_disable; + } + + clk = clk_register(dev, &gate_fn->gate.hw); + + if (IS_ERR(clk)) + kfree(gate_fn); + + return clk; +} + +static DEFINE_SPINLOCK(gating_lock); +static struct clk *tclk; + +static struct clk __init *kirkwood_register_gate(const char *name, u8 bit_idx) +{ + return clk_register_gate(NULL, name, "tclk", 0, + (void __iomem *)CLOCK_GATING_CTRL, + bit_idx, 0, &gating_lock); +} + +static struct clk __init *kirkwood_register_gate_fn(const char *name, + u8 bit_idx, + void (*fn)(void)) +{ + return clk_register_gate_fn(NULL, name, "tclk", 0, + (void __iomem *)CLOCK_GATING_CTRL, + bit_idx, 0, &gating_lock, fn); +} + +void __init kirkwood_clk_init(void) +{ + struct clk *runit, *ge0, *ge1, *sata0, *sata1, *usb0, *sdio; + struct clk *crypto, *xor0, *xor1, *pex0, *pex1, *audio; + + tclk = clk_register_fixed_rate(NULL, "tclk", NULL, + CLK_IS_ROOT, kirkwood_tclk); + + runit = kirkwood_register_gate("runit", CGC_BIT_RUNIT); + ge0 = kirkwood_register_gate("ge0", CGC_BIT_GE0); + ge1 = kirkwood_register_gate("ge1", CGC_BIT_GE1); + sata0 = kirkwood_register_gate_fn("sata0", CGC_BIT_SATA0, + disable_sata0); + sata1 = kirkwood_register_gate_fn("sata1", CGC_BIT_SATA1, + disable_sata1); + usb0 = kirkwood_register_gate("usb0", CGC_BIT_USB0); + sdio = kirkwood_register_gate("sdio", CGC_BIT_SDIO); + crypto = kirkwood_register_gate("crypto", CGC_BIT_CRYPTO); + xor0 = kirkwood_register_gate("xor0", CGC_BIT_XOR0); + xor1 = kirkwood_register_gate("xor1", CGC_BIT_XOR1); + pex0 = kirkwood_register_gate_fn("pex0", CGC_BIT_PEX0, + disable_pcie0); + pex1 = kirkwood_register_gate_fn("pex1", CGC_BIT_PEX1, + disable_pcie1); + audio = kirkwood_register_gate("audio", CGC_BIT_AUDIO); + kirkwood_register_gate("tdm", CGC_BIT_TDM); + kirkwood_register_gate("tsu", CGC_BIT_TSU); + + /* clkdev entries, mapping clks to devices */ + orion_clkdev_add(NULL, "orion_spi.0", runit); + orion_clkdev_add(NULL, "orion_spi.1", runit); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".0", ge0); + orion_clkdev_add(NULL, MV643XX_ETH_NAME ".1", ge1); + orion_clkdev_add(NULL, "orion_wdt", tclk); + orion_clkdev_add("0", "sata_mv.0", sata0); + orion_clkdev_add("1", "sata_mv.0", sata1); + orion_clkdev_add(NULL, "orion-ehci.0", usb0); + orion_clkdev_add(NULL, "orion_nand", runit); + orion_clkdev_add(NULL, "mvsdio", sdio); + orion_clkdev_add(NULL, "mv_crypto", crypto); + orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".0", xor0); + orion_clkdev_add(NULL, MV_XOR_SHARED_NAME ".1", xor1); + orion_clkdev_add("0", "pcie", pex0); + orion_clkdev_add("1", "pcie", pex1); + orion_clkdev_add(NULL, "kirkwood-i2s", audio); +} /***************************************************************************** * EHCI0 ****************************************************************************/ void __init kirkwood_ehci_init(void) { - kirkwood_clk_ctrl |= CGC_USB0; orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB, EHCI_PHY_NA); } @@ -83,11 +254,9 @@ void __init kirkwood_ehci_init(void) ****************************************************************************/ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) { - kirkwood_clk_ctrl |= CGC_GE0; - orion_ge00_init(eth_data, GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM, - IRQ_KIRKWOOD_GE00_ERR, kirkwood_tclk); + IRQ_KIRKWOOD_GE00_ERR); } @@ -96,12 +265,9 @@ void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) ****************************************************************************/ void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) { - - kirkwood_clk_ctrl |= CGC_GE1; - orion_ge01_init(eth_data, GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM, - IRQ_KIRKWOOD_GE01_ERR, kirkwood_tclk); + IRQ_KIRKWOOD_GE01_ERR); } @@ -143,7 +309,6 @@ static struct platform_device kirkwood_nand_flash = { void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int chip_delay) { - kirkwood_clk_ctrl |= CGC_RUNIT; kirkwood_nand_data.parts = parts; kirkwood_nand_data.nr_parts = nr_parts; kirkwood_nand_data.chip_delay = chip_delay; @@ -153,7 +318,6 @@ void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)) { - kirkwood_clk_ctrl |= CGC_RUNIT; kirkwood_nand_data.parts = parts; kirkwood_nand_data.nr_parts = nr_parts; kirkwood_nand_data.dev_ready = dev_ready; @@ -174,10 +338,6 @@ static void __init kirkwood_rtc_init(void) ****************************************************************************/ void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) { - kirkwood_clk_ctrl |= CGC_SATA0; - if (sata_data->n_ports > 1) - kirkwood_clk_ctrl |= CGC_SATA1; - orion_sata_init(sata_data, SATA_PHYS_BASE, IRQ_KIRKWOOD_SATA); } @@ -220,7 +380,6 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) mvsdio_data->clock = 100000000; else mvsdio_data->clock = 200000000; - kirkwood_clk_ctrl |= CGC_SDIO; kirkwood_sdio.dev.platform_data = mvsdio_data; platform_device_register(&kirkwood_sdio); } @@ -231,8 +390,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) ****************************************************************************/ void __init kirkwood_spi_init() { - kirkwood_clk_ctrl |= CGC_RUNIT; - orion_spi_init(SPI_PHYS_BASE, kirkwood_tclk); + orion_spi_init(SPI_PHYS_BASE); } @@ -252,7 +410,7 @@ void __init kirkwood_i2c_init(void) void __init kirkwood_uart0_init(void) { orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, - IRQ_KIRKWOOD_UART_0, kirkwood_tclk); + IRQ_KIRKWOOD_UART_0, tclk); } @@ -262,7 +420,7 @@ void __init kirkwood_uart0_init(void) void __init kirkwood_uart1_init(void) { orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, - IRQ_KIRKWOOD_UART_1, kirkwood_tclk); + IRQ_KIRKWOOD_UART_1, tclk); } /***************************************************************************** @@ -270,7 +428,6 @@ void __init kirkwood_uart1_init(void) ****************************************************************************/ void __init kirkwood_crypto_init(void) { - kirkwood_clk_ctrl |= CGC_CRYPTO; orion_crypto_init(CRYPTO_PHYS_BASE, KIRKWOOD_SRAM_PHYS_BASE, KIRKWOOD_SRAM_SIZE, IRQ_KIRKWOOD_CRYPTO); } @@ -279,10 +436,8 @@ void __init kirkwood_crypto_init(void) /***************************************************************************** * XOR0 ****************************************************************************/ -static void __init kirkwood_xor0_init(void) +void __init kirkwood_xor0_init(void) { - kirkwood_clk_ctrl |= CGC_XOR0; - orion_xor0_init(XOR0_PHYS_BASE, XOR0_HIGH_PHYS_BASE, IRQ_KIRKWOOD_XOR_00, IRQ_KIRKWOOD_XOR_01); } @@ -291,10 +446,8 @@ static void __init kirkwood_xor0_init(void) /***************************************************************************** * XOR1 ****************************************************************************/ -static void __init kirkwood_xor1_init(void) +void __init kirkwood_xor1_init(void) { - kirkwood_clk_ctrl |= CGC_XOR1; - orion_xor1_init(XOR1_PHYS_BASE, XOR1_HIGH_PHYS_BASE, IRQ_KIRKWOOD_XOR_10, IRQ_KIRKWOOD_XOR_11); } @@ -303,9 +456,9 @@ static void __init kirkwood_xor1_init(void) /***************************************************************************** * Watchdog ****************************************************************************/ -static void __init kirkwood_wdt_init(void) +void __init kirkwood_wdt_init(void) { - orion_wdt_init(kirkwood_tclk); + orion_wdt_init(); } @@ -381,7 +534,6 @@ static struct platform_device kirkwood_pcm_device = { void __init kirkwood_audio_init(void) { - kirkwood_clk_ctrl |= CGC_AUDIO; platform_device_register(&kirkwood_i2s_device); platform_device_register(&kirkwood_pcm_device); } @@ -392,7 +544,7 @@ void __init kirkwood_audio_init(void) /* * Identify device ID and revision. */ -static char * __init kirkwood_id(void) +char * __init kirkwood_id(void) { u32 dev, rev; @@ -435,7 +587,7 @@ static char * __init kirkwood_id(void) } } -static void __init kirkwood_l2_init(void) +void __init kirkwood_l2_init(void) { #ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG); @@ -450,7 +602,6 @@ void __init kirkwood_init(void) { printk(KERN_INFO "Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), kirkwood_tclk); - kirkwood_i2s_data.tclk = kirkwood_tclk; /* * Disable propagation of mbus errors to the CPU local bus, @@ -466,6 +617,9 @@ void __init kirkwood_init(void) kirkwood_l2_init(); #endif + /* Setup root of clk tree */ + kirkwood_clk_init(); + /* internal devices that every board has */ kirkwood_rtc_init(); kirkwood_wdt_init(); @@ -478,61 +632,6 @@ void __init kirkwood_init(void) #endif } -static int __init kirkwood_clock_gate(void) -{ - unsigned int curr = readl(CLOCK_GATING_CTRL); - u32 dev, rev; - - kirkwood_pcie_id(&dev, &rev); - printk(KERN_DEBUG "Gating clock of unused units\n"); - printk(KERN_DEBUG "before: 0x%08x\n", curr); - - /* Make sure those units are accessible */ - writel(curr | CGC_SATA0 | CGC_SATA1 | CGC_PEX0 | CGC_PEX1, CLOCK_GATING_CTRL); - - /* For SATA: first shutdown the phy */ - if (!(kirkwood_clk_ctrl & CGC_SATA0)) { - /* Disable PLL and IVREF */ - writel(readl(SATA0_PHY_MODE_2) & ~0xf, SATA0_PHY_MODE_2); - /* Disable PHY */ - writel(readl(SATA0_IF_CTRL) | 0x200, SATA0_IF_CTRL); - } - if (!(kirkwood_clk_ctrl & CGC_SATA1)) { - /* Disable PLL and IVREF */ - writel(readl(SATA1_PHY_MODE_2) & ~0xf, SATA1_PHY_MODE_2); - /* Disable PHY */ - writel(readl(SATA1_IF_CTRL) | 0x200, SATA1_IF_CTRL); - } - - /* For PCIe: first shutdown the phy */ - if (!(kirkwood_clk_ctrl & CGC_PEX0)) { - writel(readl(PCIE_LINK_CTRL) | 0x10, PCIE_LINK_CTRL); - while (1) - if (readl(PCIE_STATUS) & 0x1) - break; - writel(readl(PCIE_LINK_CTRL) & ~0x10, PCIE_LINK_CTRL); - } - - /* For PCIe 1: first shutdown the phy */ - if (dev == MV88F6282_DEV_ID) { - if (!(kirkwood_clk_ctrl & CGC_PEX1)) { - writel(readl(PCIE1_LINK_CTRL) | 0x10, PCIE1_LINK_CTRL); - while (1) - if (readl(PCIE1_STATUS) & 0x1) - break; - writel(readl(PCIE1_LINK_CTRL) & ~0x10, PCIE1_LINK_CTRL); - } - } else /* keep this bit set for devices that don't have PCIe1 */ - kirkwood_clk_ctrl |= CGC_PEX1; - - /* Now gate clock the required units */ - writel(kirkwood_clk_ctrl, CLOCK_GATING_CTRL); - printk(KERN_DEBUG " after: 0x%08x\n", readl(CLOCK_GATING_CTRL)); - - return 0; -} -late_initcall(kirkwood_clock_gate); - void kirkwood_restart(char mode, const char *cmd) { /* diff --git a/arch/arm/mach-kirkwood/common.h b/arch/arm/mach-kirkwood/common.h index 9071a397136..9248fa2c165 100644 --- a/arch/arm/mach-kirkwood/common.h +++ b/arch/arm/mach-kirkwood/common.h @@ -50,6 +50,40 @@ void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay); void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *)); void kirkwood_audio_init(void); void kirkwood_restart(char, const char *); +void kirkwood_clk_init(void); + +/* board init functions for boards not fully converted to fdt */ +#ifdef CONFIG_MACH_DREAMPLUG_DT +void dreamplug_init(void); +#else +static inline void dreamplug_init(void) {}; +#endif + +#ifdef CONFIG_MACH_DLINK_KIRKWOOD_DT +void dnskw_init(void); +#else +static inline void dnskw_init(void) {}; +#endif + +#ifdef CONFIG_MACH_ICONNECT_DT +void iconnect_init(void); +#else +static inline void iconnect_init(void) {}; +#endif + +#ifdef CONFIG_MACH_IB62X0_DT +void ib62x0_init(void); +#else +static inline void ib62x0_init(void) {}; +#endif + +/* early init functions not converted to fdt yet */ +char *kirkwood_id(void); +void kirkwood_l2_init(void); +void kirkwood_wdt_init(void); +void kirkwood_xor0_init(void); +void kirkwood_xor1_init(void); +void kirkwood_crypto_init(void); extern int kirkwood_tclk; extern struct sys_timer kirkwood_timer; diff --git a/arch/arm/mach-kirkwood/cpuidle.c b/arch/arm/mach-kirkwood/cpuidle.c index 7088180b018..0f171094187 100644 --- a/arch/arm/mach-kirkwood/cpuidle.c +++ b/arch/arm/mach-kirkwood/cpuidle.c @@ -20,77 +20,47 @@ #include <linux/io.h> #include <linux/export.h> #include <asm/proc-fns.h> +#include <asm/cpuidle.h> #include <mach/kirkwood.h> #define KIRKWOOD_MAX_STATES 2 -static struct cpuidle_driver kirkwood_idle_driver = { - .name = "kirkwood_idle", - .owner = THIS_MODULE, -}; - -static DEFINE_PER_CPU(struct cpuidle_device, kirkwood_cpuidle_device); - /* Actual code that puts the SoC in different idle states */ static int kirkwood_enter_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { - struct timeval before, after; - int idle_time; - - local_irq_disable(); - do_gettimeofday(&before); - if (index == 0) - /* Wait for interrupt state */ - cpu_do_idle(); - else if (index == 1) { - /* - * Following write will put DDR in self refresh. - * Note that we have 256 cycles before DDR puts it - * self in self-refresh, so the wait-for-interrupt - * call afterwards won't get the DDR from self refresh - * mode. - */ - writel(0x7, DDR_OPERATION_BASE); - cpu_do_idle(); - } - do_gettimeofday(&after); - local_irq_enable(); - idle_time = (after.tv_sec - before.tv_sec) * USEC_PER_SEC + - (after.tv_usec - before.tv_usec); - - /* Update last residency */ - dev->last_residency = idle_time; + writel(0x7, DDR_OPERATION_BASE); + cpu_do_idle(); return index; } +static struct cpuidle_driver kirkwood_idle_driver = { + .name = "kirkwood_idle", + .owner = THIS_MODULE, + .en_core_tk_irqen = 1, + .states[0] = ARM_CPUIDLE_WFI_STATE, + .states[1] = { + .enter = kirkwood_enter_idle, + .exit_latency = 10, + .target_residency = 100000, + .flags = CPUIDLE_FLAG_TIME_VALID, + .name = "DDR SR", + .desc = "WFI and DDR Self Refresh", + }, + .state_count = KIRKWOOD_MAX_STATES, +}; + +static DEFINE_PER_CPU(struct cpuidle_device, kirkwood_cpuidle_device); + /* Initialize CPU idle by registering the idle states */ static int kirkwood_init_cpuidle(void) { struct cpuidle_device *device; - struct cpuidle_driver *driver = &kirkwood_idle_driver; device = &per_cpu(kirkwood_cpuidle_device, smp_processor_id()); device->state_count = KIRKWOOD_MAX_STATES; - driver->state_count = KIRKWOOD_MAX_STATES; - - /* Wait for interrupt state */ - driver->states[0].enter = kirkwood_enter_idle; - driver->states[0].exit_latency = 1; - driver->states[0].target_residency = 10000; - driver->states[0].flags = CPUIDLE_FLAG_TIME_VALID; - strcpy(driver->states[0].name, "WFI"); - strcpy(driver->states[0].desc, "Wait for interrupt"); - - /* Wait for interrupt and DDR self refresh state */ - driver->states[1].enter = kirkwood_enter_idle; - driver->states[1].exit_latency = 10; - driver->states[1].target_residency = 10000; - driver->states[1].flags = CPUIDLE_FLAG_TIME_VALID; - strcpy(driver->states[1].name, "DDR SR"); - strcpy(driver->states[1].desc, "WFI and DDR Self Refresh"); cpuidle_register_driver(&kirkwood_idle_driver); if (cpuidle_register_device(device)) { diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 957bd7997d7..3eee37a3b50 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -43,6 +43,22 @@ #define L2_WRITETHROUGH 0x00000010 #define CLOCK_GATING_CTRL (BRIDGE_VIRT_BASE | 0x11c) +#define CGC_BIT_GE0 (0) +#define CGC_BIT_PEX0 (2) +#define CGC_BIT_USB0 (3) +#define CGC_BIT_SDIO (4) +#define CGC_BIT_TSU (5) +#define CGC_BIT_DUNIT (6) +#define CGC_BIT_RUNIT (7) +#define CGC_BIT_XOR0 (8) +#define CGC_BIT_AUDIO (9) +#define CGC_BIT_SATA0 (14) +#define CGC_BIT_SATA1 (15) +#define CGC_BIT_XOR1 (16) +#define CGC_BIT_CRYPTO (17) +#define CGC_BIT_PEX1 (18) +#define CGC_BIT_GE1 (19) +#define CGC_BIT_TDM (20) #define CGC_GE0 (1 << 0) #define CGC_PEX0 (1 << 2) #define CGC_USB0 (1 << 3) diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h index 49dd0cb5e16..5d0ab61700d 100644 --- a/arch/arm/mach-kirkwood/include/mach/io.h +++ b/arch/arm/mach-kirkwood/include/mach/io.h @@ -20,7 +20,5 @@ static inline void __iomem *__io(unsigned long addr) } #define __io(a) __io(a) -#define __mem_pci(a) (a) - #endif diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c index 85f6169c248..6d8364a9781 100644 --- a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c +++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c @@ -23,7 +23,6 @@ #include <linux/gpio_keys.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> -#include <linux/spi/orion_spi.h> #include <net/dsa.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index f56a0118c1b..6e8b2efa3c3 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/slab.h> +#include <linux/clk.h> #include <video/vga.h> #include <asm/irq.h> #include <asm/mach/pci.h> @@ -19,6 +20,23 @@ #include <plat/addr-map.h> #include "common.h" +static void kirkwood_enable_pcie_clk(const char *port) +{ + struct clk *clk; + + clk = clk_get_sys("pcie", port); + if (IS_ERR(clk)) { + printk(KERN_ERR "PCIE clock %s missing\n", port); + return; + } + clk_prepare_enable(clk); + clk_put(clk); +} + +/* This function is called very early in the boot when probing the + hardware to determine what we actually are, and what rate tclk is + ticking at. Hence calling kirkwood_enable_pcie_clk() is not + possible since the clk tree has not been created yet. */ void kirkwood_enable_pcie(void) { u32 curr = readl(CLOCK_GATING_CTRL); @@ -26,7 +44,7 @@ void kirkwood_enable_pcie(void) writel(curr | CGC_PEX0, CLOCK_GATING_CTRL); } -void __init kirkwood_pcie_id(u32 *dev, u32 *rev) +void kirkwood_pcie_id(u32 *dev, u32 *rev) { kirkwood_enable_pcie(); *dev = orion_pcie_dev_id((void __iomem *)PCIE_VIRT_BASE); @@ -44,12 +62,6 @@ struct pcie_port { static int pcie_port_map[2]; static int num_pcie_ports; -static inline struct pcie_port *bus_to_port(struct pci_bus *bus) -{ - struct pci_sys_data *sys = bus->sysdata; - return sys->private_data; -} - static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) { /* @@ -79,7 +91,8 @@ static int pcie_valid_config(struct pcie_port *pp, int bus, int dev) static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { - struct pcie_port *pp = bus_to_port(bus); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -98,7 +111,8 @@ static int pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, static int pcie_wr_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 val) { - struct pcie_port *pp = bus_to_port(bus); + struct pci_sys_data *sys = bus->sysdata; + struct pcie_port *pp = sys->private_data; unsigned long flags; int ret; @@ -163,7 +177,6 @@ static void __init pcie1_ioresources_init(struct pcie_port *pp) static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) { - extern unsigned int kirkwood_clk_ctrl; struct pcie_port *pp; int index; @@ -182,11 +195,11 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys) switch (index) { case 0: - kirkwood_clk_ctrl |= CGC_PEX0; + kirkwood_enable_pcie_clk("0"); pcie0_ioresources_init(pp); break; case 1: - kirkwood_clk_ctrl |= CGC_PEX1; + kirkwood_enable_pcie_clk("1"); pcie1_ioresources_init(pp); break; default: @@ -248,13 +261,13 @@ kirkwood_pcie_scan_bus(int nr, struct pci_sys_data *sys) static int __init kirkwood_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct pcie_port *pp = bus_to_port(dev->bus); + struct pci_sys_data *sys = dev->sysdata; + struct pcie_port *pp = sys->private_data; return pp->irq; } static struct hw_pci kirkwood_pci __initdata = { - .swizzle = pci_std_swizzle, .setup = kirkwood_pcie_setup, .scan = kirkwood_pcie_scan_bus, .map_irq = kirkwood_pcie_map_irq, diff --git a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c index fd2c9c8b683..f742a66a704 100644 --- a/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c +++ b/arch/arm/mach-kirkwood/rd88f6192-nas-setup.c @@ -16,7 +16,6 @@ #include <linux/gpio.h> #include <linux/spi/flash.h> #include <linux/spi/spi.h> -#include <linux/spi/orion_spi.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <mach/kirkwood.h> diff --git a/arch/arm/mach-kirkwood/t5325-setup.c b/arch/arm/mach-kirkwood/t5325-setup.c index f9d2a11b7f9..bad738e4404 100644 --- a/arch/arm/mach-kirkwood/t5325-setup.c +++ b/arch/arm/mach-kirkwood/t5325-setup.c @@ -16,7 +16,6 @@ #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> diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c index 24294b2bc46..8943ede29b4 100644 --- a/arch/arm/mach-kirkwood/tsx1x-common.c +++ b/arch/arm/mach-kirkwood/tsx1x-common.c @@ -4,7 +4,6 @@ #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" |