diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/common.c')
| -rw-r--r-- | arch/arm/mach-kirkwood/common.c | 746 |
1 files changed, 0 insertions, 746 deletions
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c deleted file mode 100644 index 255f33a3903..00000000000 --- a/arch/arm/mach-kirkwood/common.c +++ /dev/null @@ -1,746 +0,0 @@ -/* - * arch/arm/mach-kirkwood/common.c - * - * Core functions for Marvell Kirkwood SoCs - * - * 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/serial_8250.h> -#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 <linux/mv643xx_i2c.h> -#include <linux/timex.h> -#include <linux/kexec.h> -#include <linux/reboot.h> -#include <net/dsa.h> -#include <asm/page.h> -#include <asm/mach/map.h> -#include <asm/mach/time.h> -#include <asm/hardware/cache-feroceon-l2.h> -#include <mach/kirkwood.h> -#include <mach/bridge-regs.h> -#include <linux/platform_data/asoc-kirkwood.h> -#include <linux/platform_data/mmc-mvsdio.h> -#include <linux/platform_data/mtd-orion_nand.h> -#include <linux/platform_data/usb-ehci-orion.h> -#include <plat/common.h> -#include <plat/time.h> -#include <linux/platform_data/dma-mv_xor.h> -#include "common.h" -#include "pm.h" - -/* These can go away once Kirkwood uses the mvebu-mbus DT binding */ -#define KIRKWOOD_MBUS_NAND_TARGET 0x01 -#define KIRKWOOD_MBUS_NAND_ATTR 0x2f -#define KIRKWOOD_MBUS_SRAM_TARGET 0x03 -#define KIRKWOOD_MBUS_SRAM_ATTR 0x01 - -/***************************************************************************** - * I/O Address Mapping - ****************************************************************************/ -static struct map_desc kirkwood_io_desc[] __initdata = { - { - .virtual = (unsigned long) KIRKWOOD_REGS_VIRT_BASE, - .pfn = __phys_to_pfn(KIRKWOOD_REGS_PHYS_BASE), - .length = KIRKWOOD_REGS_SIZE, - .type = MT_DEVICE, - }, -}; - -void __init kirkwood_map_io(void) -{ - iotable_init(kirkwood_io_desc, ARRAY_SIZE(kirkwood_io_desc)); -} - -/***************************************************************************** - * CLK tree - ****************************************************************************/ - -static void enable_sata0(void) -{ - /* Enable PLL and IVREF */ - writel(readl(SATA0_PHY_MODE_2) | 0xf, SATA0_PHY_MODE_2); - /* Enable PHY */ - writel(readl(SATA0_IF_CTRL) & ~0x200, SATA0_IF_CTRL); -} - -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 enable_sata1(void) -{ - /* Enable PLL and IVREF */ - writel(readl(SATA1_PHY_MODE_2) | 0xf, SATA1_PHY_MODE_2); - /* Enable PHY */ - writel(readl(SATA1_IF_CTRL) & ~0x200, SATA1_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_en()/fn_dis - * before enabling/disabling the clock. We use this to turn on/off - * PHYs etc. */ -struct clk_gate_fn { - struct clk_gate gate; - void (*fn_en)(void); - void (*fn_dis)(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 int clk_gate_fn_enable(struct clk_hw *hw) -{ - struct clk_gate *gate = to_clk_gate(hw); - struct clk_gate_fn *gate_fn = to_clk_gate_fn(gate); - int ret; - - ret = clk_gate_ops.enable(hw); - if (!ret && gate_fn->fn_en) - gate_fn->fn_en(); - - return ret; -} - -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_dis) - gate_fn->fn_dis(); - - 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_en)(void), void (*fn_dis)(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; - gate_fn->fn_en = fn_en; - gate_fn->fn_dis = fn_dis; - - /* ops is the gate ops, but with our enable/disable functions */ - if (clk_gate_fn_ops.enable != clk_gate_fn_enable || - clk_gate_fn_ops.disable != clk_gate_fn_disable) { - clk_gate_fn_ops = clk_gate_ops; - clk_gate_fn_ops.enable = clk_gate_fn_enable; - 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, CLOCK_GATING_CTRL, - bit_idx, 0, &gating_lock); -} - -static struct clk __init *kirkwood_register_gate_fn(const char *name, - u8 bit_idx, - void (*fn_en)(void), - void (*fn_dis)(void)) -{ - return clk_register_gate_fn(NULL, name, "tclk", 0, CLOCK_GATING_CTRL, - bit_idx, 0, &gating_lock, fn_en, fn_dis); -} - -static struct clk *ge0, *ge1; - -void __init kirkwood_clk_init(void) -{ - struct clk *runit, *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, - enable_sata0, disable_sata0); - sata1 = kirkwood_register_gate_fn("sata1", CGC_BIT_SATA1, - enable_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, - NULL, disable_pcie0); - pex1 = kirkwood_register_gate_fn("pex1", CGC_BIT_PEX1, - NULL, 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_NAME ".0", xor0); - orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1); - orion_clkdev_add("0", "pcie", pex0); - orion_clkdev_add("1", "pcie", pex1); - orion_clkdev_add(NULL, "mvebu-audio", audio); - orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".0", runit); - orion_clkdev_add(NULL, MV64XXX_I2C_CTLR_NAME ".1", runit); - - /* Marvell says runit is used by SPI, UART, NAND, TWSI, ..., - * so should never be gated. - */ - clk_prepare_enable(runit); -} - -/***************************************************************************** - * EHCI0 - ****************************************************************************/ -void __init kirkwood_ehci_init(void) -{ - orion_ehci_init(USB_PHYS_BASE, IRQ_KIRKWOOD_USB, EHCI_PHY_NA); -} - - -/***************************************************************************** - * GE00 - ****************************************************************************/ -void __init kirkwood_ge00_init(struct mv643xx_eth_platform_data *eth_data) -{ - orion_ge00_init(eth_data, - GE00_PHYS_BASE, IRQ_KIRKWOOD_GE00_SUM, - IRQ_KIRKWOOD_GE00_ERR, 1600); - /* The interface forgets the MAC address assigned by u-boot if - the clock is turned off, so claim the clk now. */ - clk_prepare_enable(ge0); -} - - -/***************************************************************************** - * GE01 - ****************************************************************************/ -void __init kirkwood_ge01_init(struct mv643xx_eth_platform_data *eth_data) -{ - orion_ge01_init(eth_data, - GE01_PHYS_BASE, IRQ_KIRKWOOD_GE01_SUM, - IRQ_KIRKWOOD_GE01_ERR, 1600); - clk_prepare_enable(ge1); -} - - -/***************************************************************************** - * Ethernet switch - ****************************************************************************/ -void __init kirkwood_ge00_switch_init(struct dsa_platform_data *d, int irq) -{ - orion_ge00_switch_init(d, irq); -} - - -/***************************************************************************** - * NAND flash - ****************************************************************************/ -static struct resource kirkwood_nand_resource = { - .flags = IORESOURCE_MEM, - .start = KIRKWOOD_NAND_MEM_PHYS_BASE, - .end = KIRKWOOD_NAND_MEM_PHYS_BASE + - KIRKWOOD_NAND_MEM_SIZE - 1, -}; - -static struct orion_nand_data kirkwood_nand_data = { - .cle = 0, - .ale = 1, - .width = 8, -}; - -static struct platform_device kirkwood_nand_flash = { - .name = "orion_nand", - .id = -1, - .dev = { - .platform_data = &kirkwood_nand_data, - }, - .resource = &kirkwood_nand_resource, - .num_resources = 1, -}; - -void __init kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, - int chip_delay) -{ - kirkwood_nand_data.parts = parts; - kirkwood_nand_data.nr_parts = nr_parts; - kirkwood_nand_data.chip_delay = chip_delay; - platform_device_register(&kirkwood_nand_flash); -} - -void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, - int (*dev_ready)(struct mtd_info *)) -{ - kirkwood_nand_data.parts = parts; - kirkwood_nand_data.nr_parts = nr_parts; - kirkwood_nand_data.dev_ready = dev_ready; - platform_device_register(&kirkwood_nand_flash); -} - -/***************************************************************************** - * SoC RTC - ****************************************************************************/ -static void __init kirkwood_rtc_init(void) -{ - orion_rtc_init(RTC_PHYS_BASE, IRQ_KIRKWOOD_RTC); -} - - -/***************************************************************************** - * SATA - ****************************************************************************/ -void __init kirkwood_sata_init(struct mv_sata_platform_data *sata_data) -{ - orion_sata_init(sata_data, SATA_PHYS_BASE, IRQ_KIRKWOOD_SATA); -} - - -/***************************************************************************** - * SD/SDIO/MMC - ****************************************************************************/ -static struct resource mvsdio_resources[] = { - [0] = { - .start = SDIO_PHYS_BASE, - .end = SDIO_PHYS_BASE + SZ_1K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_KIRKWOOD_SDIO, - .end = IRQ_KIRKWOOD_SDIO, - .flags = IORESOURCE_IRQ, - }, -}; - -static u64 mvsdio_dmamask = DMA_BIT_MASK(32); - -static struct platform_device kirkwood_sdio = { - .name = "mvsdio", - .id = -1, - .dev = { - .dma_mask = &mvsdio_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .num_resources = ARRAY_SIZE(mvsdio_resources), - .resource = mvsdio_resources, -}; - -void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data) -{ - u32 dev, rev; - - kirkwood_pcie_id(&dev, &rev); - if (rev == 0 && dev != MV88F6282_DEV_ID) /* catch all Kirkwood Z0's */ - mvsdio_data->clock = 100000000; - else - mvsdio_data->clock = 200000000; - kirkwood_sdio.dev.platform_data = mvsdio_data; - platform_device_register(&kirkwood_sdio); -} - - -/***************************************************************************** - * SPI - ****************************************************************************/ -void __init kirkwood_spi_init(void) -{ - orion_spi_init(SPI_PHYS_BASE); -} - - -/***************************************************************************** - * I2C - ****************************************************************************/ -void __init kirkwood_i2c_init(void) -{ - orion_i2c_init(I2C_PHYS_BASE, IRQ_KIRKWOOD_TWSI, 8); -} - - -/***************************************************************************** - * UART0 - ****************************************************************************/ - -void __init kirkwood_uart0_init(void) -{ - orion_uart0_init(UART0_VIRT_BASE, UART0_PHYS_BASE, - IRQ_KIRKWOOD_UART_0, tclk); -} - - -/***************************************************************************** - * UART1 - ****************************************************************************/ -void __init kirkwood_uart1_init(void) -{ - orion_uart1_init(UART1_VIRT_BASE, UART1_PHYS_BASE, - IRQ_KIRKWOOD_UART_1, tclk); -} - -/***************************************************************************** - * Cryptographic Engines and Security Accelerator (CESA) - ****************************************************************************/ -void __init kirkwood_crypto_init(void) -{ - orion_crypto_init(CRYPTO_PHYS_BASE, KIRKWOOD_SRAM_PHYS_BASE, - KIRKWOOD_SRAM_SIZE, IRQ_KIRKWOOD_CRYPTO); -} - - -/***************************************************************************** - * XOR0 - ****************************************************************************/ -void __init kirkwood_xor0_init(void) -{ - orion_xor0_init(XOR0_PHYS_BASE, XOR0_HIGH_PHYS_BASE, - IRQ_KIRKWOOD_XOR_00, IRQ_KIRKWOOD_XOR_01); -} - - -/***************************************************************************** - * XOR1 - ****************************************************************************/ -void __init kirkwood_xor1_init(void) -{ - orion_xor1_init(XOR1_PHYS_BASE, XOR1_HIGH_PHYS_BASE, - IRQ_KIRKWOOD_XOR_10, IRQ_KIRKWOOD_XOR_11); -} - - -/***************************************************************************** - * Watchdog - ****************************************************************************/ -void __init kirkwood_wdt_init(void) -{ - orion_wdt_init(); -} - -/***************************************************************************** - * CPU idle - ****************************************************************************/ -static struct resource kirkwood_cpuidle_resource[] = { - { - .flags = IORESOURCE_MEM, - .start = DDR_OPERATION_BASE, - .end = DDR_OPERATION_BASE + 3, - }, -}; - -static struct platform_device kirkwood_cpuidle = { - .name = "kirkwood_cpuidle", - .id = -1, - .resource = kirkwood_cpuidle_resource, - .num_resources = 1, -}; - -void __init kirkwood_cpuidle_init(void) -{ - platform_device_register(&kirkwood_cpuidle); -} - -/***************************************************************************** - * Time handling - ****************************************************************************/ -void __init kirkwood_init_early(void) -{ - orion_time_set_base(TIMER_VIRT_BASE); -} - -int kirkwood_tclk; - -static int __init kirkwood_find_tclk(void) -{ - u32 dev, rev; - - kirkwood_pcie_id(&dev, &rev); - - if (dev == MV88F6281_DEV_ID || dev == MV88F6282_DEV_ID) - if (((readl(SAMPLE_AT_RESET) >> 21) & 1) == 0) - return 200000000; - - return 166666667; -} - -void __init kirkwood_timer_init(void) -{ - kirkwood_tclk = kirkwood_find_tclk(); - - orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, - IRQ_KIRKWOOD_BRIDGE, kirkwood_tclk); -} - -/***************************************************************************** - * Audio - ****************************************************************************/ -static struct resource kirkwood_audio_resources[] = { - [0] = { - .start = AUDIO_PHYS_BASE, - .end = AUDIO_PHYS_BASE + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_KIRKWOOD_I2S, - .end = IRQ_KIRKWOOD_I2S, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct kirkwood_asoc_platform_data kirkwood_audio_data = { - .burst = 128, -}; - -static struct platform_device kirkwood_audio_device = { - .name = "mvebu-audio", - .id = -1, - .num_resources = ARRAY_SIZE(kirkwood_audio_resources), - .resource = kirkwood_audio_resources, - .dev = { - .platform_data = &kirkwood_audio_data, - }, -}; - -void __init kirkwood_audio_init(void) -{ - platform_device_register(&kirkwood_audio_device); -} - -/***************************************************************************** - * CPU Frequency - ****************************************************************************/ -static struct resource kirkwood_cpufreq_resources[] = { - [0] = { - .start = CPU_CONTROL_PHYS, - .end = CPU_CONTROL_PHYS + 3, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device kirkwood_cpufreq_device = { - .name = "kirkwood-cpufreq", - .id = -1, - .num_resources = ARRAY_SIZE(kirkwood_cpufreq_resources), - .resource = kirkwood_cpufreq_resources, -}; - -void __init kirkwood_cpufreq_init(void) -{ - platform_device_register(&kirkwood_cpufreq_device); -} - -/***************************************************************************** - * General - ****************************************************************************/ -/* - * Identify device ID and revision. - */ -char * __init kirkwood_id(void) -{ - u32 dev, rev; - - kirkwood_pcie_id(&dev, &rev); - - if (dev == MV88F6281_DEV_ID) { - if (rev == MV88F6281_REV_Z0) - return "MV88F6281-Z0"; - else if (rev == MV88F6281_REV_A0) - return "MV88F6281-A0"; - else if (rev == MV88F6281_REV_A1) - return "MV88F6281-A1"; - else - return "MV88F6281-Rev-Unsupported"; - } else if (dev == MV88F6192_DEV_ID) { - if (rev == MV88F6192_REV_Z0) - return "MV88F6192-Z0"; - else if (rev == MV88F6192_REV_A0) - return "MV88F6192-A0"; - else if (rev == MV88F6192_REV_A1) - return "MV88F6192-A1"; - else - return "MV88F6192-Rev-Unsupported"; - } else if (dev == MV88F6180_DEV_ID) { - if (rev == MV88F6180_REV_A0) - return "MV88F6180-Rev-A0"; - else if (rev == MV88F6180_REV_A1) - return "MV88F6180-Rev-A1"; - else - return "MV88F6180-Rev-Unsupported"; - } else if (dev == MV88F6282_DEV_ID) { - if (rev == MV88F6282_REV_A0) - return "MV88F6282-Rev-A0"; - else if (rev == MV88F6282_REV_A1) - return "MV88F6282-Rev-A1"; - else - return "MV88F6282-Rev-Unsupported"; - } else { - return "Device-Unknown"; - } -} - -void __init kirkwood_setup_wins(void) -{ - mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_NAND_TARGET, - KIRKWOOD_MBUS_NAND_ATTR, - KIRKWOOD_NAND_MEM_PHYS_BASE, - KIRKWOOD_NAND_MEM_SIZE); - mvebu_mbus_add_window_by_id(KIRKWOOD_MBUS_SRAM_TARGET, - KIRKWOOD_MBUS_SRAM_ATTR, - KIRKWOOD_SRAM_PHYS_BASE, - KIRKWOOD_SRAM_SIZE); -} - -void __init kirkwood_l2_init(void) -{ -#ifdef CONFIG_CACHE_FEROCEON_L2 -#ifdef CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH - writel(readl(L2_CONFIG_REG) | L2_WRITETHROUGH, L2_CONFIG_REG); - feroceon_l2_init(1); -#else - writel(readl(L2_CONFIG_REG) & ~L2_WRITETHROUGH, L2_CONFIG_REG); - feroceon_l2_init(0); -#endif -#endif -} - -void __init kirkwood_init(void) -{ - pr_info("Kirkwood: %s, TCLK=%d.\n", kirkwood_id(), 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); - - BUG_ON(mvebu_mbus_init("marvell,kirkwood-mbus", - BRIDGE_WINS_BASE, BRIDGE_WINS_SZ, - DDR_WINDOW_CPU_BASE, DDR_WINDOW_CPU_SZ)); - - kirkwood_setup_wins(); - - kirkwood_l2_init(); - - /* Setup root of clk tree */ - kirkwood_clk_init(); - - /* internal devices that every board has */ - kirkwood_rtc_init(); - kirkwood_wdt_init(); - kirkwood_xor0_init(); - kirkwood_xor1_init(); - kirkwood_crypto_init(); - - kirkwood_pm_init(); - kirkwood_cpuidle_init(); -#ifdef CONFIG_KEXEC - kexec_reinit = kirkwood_enable_pcie; -#endif -} - -void kirkwood_restart(enum reboot_mode mode, const char *cmd) -{ - /* - * Enable soft reset to assert RSTOUTn. - */ - writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK); - - /* - * Assert soft reset. - */ - writel(SOFT_RESET, SYSTEM_SOFT_RESET); - - while (1) - ; -} |