diff options
Diffstat (limited to 'arch/arm')
23 files changed, 1909 insertions, 89 deletions
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index e2507f66f9d5..612b27000c3e 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -30,6 +30,11 @@ obj-$(CONFIG_ARCH_SH7377) += entry-intc.o obj-$(CONFIG_ARCH_SH7372) += entry-intc.o obj-$(CONFIG_ARCH_SH73A0) += entry-gic.o +# PM objects +obj-$(CONFIG_SUSPEND) += suspend.o +obj-$(CONFIG_CPU_IDLE) += cpuidle.o +obj-$(CONFIG_ARCH_SH7372) += pm-sh7372.o sleep-sh7372.o + # Board objects obj-$(CONFIG_MACH_G3EVM) += board-g3evm.o obj-$(CONFIG_MACH_G4EVM) += board-g4evm.o diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c index 3e6f0aab460b..c95258c274c1 100644 --- a/arch/arm/mach-shmobile/board-ag5evm.c +++ b/arch/arm/mach-shmobile/board-ag5evm.c @@ -34,6 +34,8 @@ #include <linux/input/sh_keysc.h> #include <linux/mmc/host.h> #include <linux/mmc/sh_mmcif.h> +#include <linux/mmc/sh_mobile_sdhi.h> +#include <linux/mfd/tmio.h> #include <linux/sh_clk.h> #include <video/sh_mobile_lcdc.h> #include <video/sh_mipi_dsi.h> @@ -156,10 +158,19 @@ static struct resource sh_mmcif_resources[] = { }, }; +static struct sh_mmcif_dma sh_mmcif_dma = { + .chan_priv_rx = { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + }, + .chan_priv_tx = { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + }, +}; static struct sh_mmcif_plat_data sh_mmcif_platdata = { .sup_pclk = 0, .ocr = MMC_VDD_165_195, .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, + .dma = &sh_mmcif_dma, }; static struct platform_device mmc_device = { @@ -296,11 +307,13 @@ static struct platform_device lcdc0_device = { /* MIPI-DSI */ static struct resource mipidsi0_resources[] = { [0] = { + .name = "DSI0", .start = 0xfeab0000, .end = 0xfeab3fff, .flags = IORESOURCE_MEM, }, [1] = { + .name = "DSI0", .start = 0xfeab4000, .end = 0xfeab7fff, .flags = IORESOURCE_MEM, @@ -325,6 +338,89 @@ static struct platform_device mipidsi0_device = { }, }; +static struct sh_mobile_sdhi_info sdhi0_info = { + .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX, + .tmio_caps = MMC_CAP_SD_HIGHSPEED, + .tmio_ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, +}; + +static struct resource sdhi0_resources[] = { + [0] = { + .name = "SDHI0", + .start = 0xee100000, + .end = 0xee1000ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(83), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(84), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(85), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi0_device = { + .name = "sh_mobile_sdhi", + .id = 0, + .num_resources = ARRAY_SIZE(sdhi0_resources), + .resource = sdhi0_resources, + .dev = { + .platform_data = &sdhi0_info, + }, +}; + +void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state) +{ + gpio_set_value(GPIO_PORT114, state); +} + +static struct sh_mobile_sdhi_info sh_sdhi1_platdata = { + .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, + .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX, + .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE, + .tmio_caps = MMC_CAP_NONREMOVABLE, + .tmio_ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .set_pwr = ag5evm_sdhi1_set_pwr, +}; + +static struct resource sdhi1_resources[] = { + [0] = { + .name = "SDHI1", + .start = 0xee120000, + .end = 0xee1200ff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = gic_spi(87), + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = gic_spi(88), + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = gic_spi(89), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device sdhi1_device = { + .name = "sh_mobile_sdhi", + .id = 1, + .dev = { + .platform_data = &sh_sdhi1_platdata, + }, + .num_resources = ARRAY_SIZE(sdhi1_resources), + .resource = sdhi1_resources, +}; + static struct platform_device *ag5evm_devices[] __initdata = { ð_device, &keysc_device, @@ -333,6 +429,8 @@ static struct platform_device *ag5evm_devices[] __initdata = { &irda_device, &lcdc0_device, &mipidsi0_device, + &sdhi0_device, + &sdhi1_device, }; static struct map_desc ag5evm_io_desc[] __initdata = { @@ -454,6 +552,26 @@ static void __init ag5evm_init(void) /* MIPI-DSI clock setup */ __raw_writel(0x2a809010, DSI0PHYCR); + /* enable SDHI0 on CN15 [SD I/F] */ + gpio_request(GPIO_FN_SDHICD0, NULL); + gpio_request(GPIO_FN_SDHIWP0, NULL); + gpio_request(GPIO_FN_SDHICMD0, NULL); + gpio_request(GPIO_FN_SDHICLK0, NULL); + gpio_request(GPIO_FN_SDHID0_3, NULL); + gpio_request(GPIO_FN_SDHID0_2, NULL); + gpio_request(GPIO_FN_SDHID0_1, NULL); + gpio_request(GPIO_FN_SDHID0_0, NULL); + + /* enable SDHI1 on CN4 [WLAN I/F] */ + gpio_request(GPIO_FN_SDHICLK1, NULL); + gpio_request(GPIO_FN_SDHICMD1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_3_PU, NULL); + gpio_request(GPIO_FN_SDHID1_2_PU, NULL); + gpio_request(GPIO_FN_SDHID1_1_PU, NULL); + gpio_request(GPIO_FN_SDHID1_0_PU, NULL); + gpio_request(GPIO_PORT114, "sdhi1_power"); + gpio_direction_output(GPIO_PORT114, 0); + #ifdef CONFIG_CACHE_L2X0 /* Shared attribute override enable, 64K*8way */ l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff); diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 1e35fa976d64..08acb6ec8139 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c @@ -316,8 +316,16 @@ static struct resource sdhi0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e00) /* SDHI0 */, - .flags = IORESOURCE_IRQ, + .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */, + .flags = IORESOURCE_IRQ, }, }; @@ -349,8 +357,16 @@ static struct resource sdhi1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e80), - .flags = IORESOURCE_IRQ, + .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */ + .flags = IORESOURCE_IRQ, }, }; @@ -980,11 +996,6 @@ static void __init hdmi_init_pm_clock(void) goto out; } - ret = clk_enable(&sh7372_pllc2_clk); - if (ret < 0) { - pr_err("Cannot enable pllc2 clock\n"); - goto out; - } pr_debug("PLLC2 set frequency %lu\n", rate); ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); @@ -1343,6 +1354,7 @@ static void __init ap4evb_init(void) hdmi_init_pm_clock(); fsi_init_pm_clock(); + sh7372_pm_init(); } static void __init ap4evb_timer_init(void) diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c index c87a7b7c5832..8e3c5559f27f 100644 --- a/arch/arm/mach-shmobile/board-g4evm.c +++ b/arch/arm/mach-shmobile/board-g4evm.c @@ -205,7 +205,7 @@ static struct resource sdhi0_resources[] = { [0] = { .name = "SDHI0", .start = 0xe6d50000, - .end = 0xe6d50nff, + .end = 0xe6d500ff, .flags = IORESOURCE_MEM, }, [1] = { diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 7da2ca24229d..448ddbe43335 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -43,6 +43,7 @@ #include <linux/sh_intc.h> #include <linux/tca6416_keypad.h> #include <linux/usb/r8a66597.h> +#include <linux/usb/renesas_usbhs.h> #include <video/sh_mobile_hdmi.h> #include <video/sh_mobile_lcdc.h> @@ -143,7 +144,30 @@ * open | external VBUS | Function * * *1 - * CN31 is used as Host in Linux. + * CN31 is used as + * CONFIG_USB_R8A66597_HCD Host + * CONFIG_USB_RENESAS_USBHS Function + * + * CAUTION + * + * renesas_usbhs driver can use external interrupt mode + * (which come from USB-PHY) or autonomy mode (it use own interrupt) + * for detecting connection/disconnection when Function. + * USB will be power OFF while it has been disconnecting + * if external interrupt mode, and it is always power ON if autonomy mode, + * + * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0", + * because Touchscreen is using IRQ7-PORT40. + * It is impossible to use IRQ7 demux on this board. + * + * We can use external interrupt mode USB-Function on "USB1". + * USB1 can become Host by r8a66597, and become Function by renesas_usbhs. + * But don't select both drivers in same time. + * These uses same IRQ number for request_irq(), and aren't supporting + * IRQF_SHARD / IORESOURCE_IRQ_SHAREABLE. + * + * Actually these are old/new version of USB driver. + * This mean its register will be broken if it supports SHARD IRQ, */ /* @@ -185,6 +209,7 @@ * FIXME !! * * gpio_no_direction + * gpio_pull_down * are quick_hack. * * current gpio frame work doesn't have @@ -196,6 +221,16 @@ static void __init gpio_no_direction(u32 addr) __raw_writeb(0x00, addr); } +static void __init gpio_pull_down(u32 addr) +{ + u8 data = __raw_readb(addr); + + data &= 0x0F; + data |= 0xA0; + + __raw_writeb(data, addr); +} + /* MTD */ static struct mtd_partition nor_flash_partitions[] = { { @@ -458,12 +493,6 @@ static void __init hdmi_init_pm_clock(void) goto out; } - ret = clk_enable(&sh7372_pllc2_clk); - if (ret < 0) { - pr_err("Cannot enable pllc2 clock\n"); - goto out; - } - pr_debug("PLLC2 set frequency %lu\n", rate); ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); @@ -515,6 +544,157 @@ static struct platform_device usb1_host_device = { .resource = usb1_host_resources, }; +/* USB1 (Function) */ +#define USB_PHY_MODE (1 << 4) +#define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) +#define USB_PHY_ON (1 << 1) +#define USB_PHY_OFF (1 << 0) +#define USB_PHY_INT_CLR (USB_PHY_ON | USB_PHY_OFF) + +struct usbhs_private { + unsigned int irq; + unsigned int usbphyaddr; + unsigned int usbcrcaddr; + struct renesas_usbhs_platform_info info; +}; + +#define usbhs_get_priv(pdev) \ + container_of(renesas_usbhs_get_info(pdev), \ + struct usbhs_private, info) + +#define usbhs_is_connected(priv) \ + (!((1 << 7) & __raw_readw(priv->usbcrcaddr))) + +static int usbhs1_get_id(struct platform_device *pdev) +{ + return USBHS_GADGET; +} + +static int usbhs1_get_vbus(struct platform_device *pdev) +{ + return usbhs_is_connected(usbhs_get_priv(pdev)); +} + +static irqreturn_t usbhs1_interrupt(int irq, void *data) +{ + struct platform_device *pdev = data; + struct usbhs_private *priv = usbhs_get_priv(pdev); + + dev_dbg(&pdev->dev, "%s\n", __func__); + + renesas_usbhs_call_notify_hotplug(pdev); + + /* clear status */ + __raw_writew(__raw_readw(priv->usbphyaddr) | USB_PHY_INT_CLR, + priv->usbphyaddr); + + return IRQ_HANDLED; +} + +static int usbhs1_hardware_init(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + int ret; + + irq_set_irq_type(priv->irq, IRQ_TYPE_LEVEL_HIGH); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); + + ret = request_irq(priv->irq, usbhs1_interrupt, 0, + dev_name(&pdev->dev), pdev); + if (ret) { + dev_err(&pdev->dev, "request_irq err\n"); + return ret; + } + + /* enable USB phy interrupt */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_EN, priv->usbphyaddr); + + return 0; +} + +static void usbhs1_hardware_exit(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* clear interrupt status */ + __raw_writew(USB_PHY_MODE | USB_PHY_INT_CLR, priv->usbphyaddr); + + free_irq(priv->irq, pdev); +} + +static void usbhs1_phy_reset(struct platform_device *pdev) +{ + struct usbhs_private *priv = usbhs_get_priv(pdev); + + /* init phy */ + __raw_writew(0x8a0a, priv->usbcrcaddr); +} + +static u32 usbhs1_pipe_cfg[] = { + USB_ENDPOINT_XFER_CONTROL, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_ISOC, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_INT, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, + USB_ENDPOINT_XFER_BULK, +}; + +static struct usbhs_private usbhs1_private = { + .irq = evt2irq(0x0300), /* IRQ8 */ + .usbphyaddr = 0xE60581E2, /* USBPHY1INTAP */ + .usbcrcaddr = 0xE6058130, /* USBCR4 */ + .info = { + .platform_callback = { + .hardware_init = usbhs1_hardware_init, + .hardware_exit = usbhs1_hardware_exit, + .phy_reset = usbhs1_phy_reset, + .get_id = usbhs1_get_id, + .get_vbus = usbhs1_get_vbus, + }, + .driver_param = { + .buswait_bwait = 4, + .pipe_type = usbhs1_pipe_cfg, + .pipe_size = ARRAY_SIZE(usbhs1_pipe_cfg), + }, + }, +}; + +static struct resource usbhs1_resources[] = { + [0] = { + .name = "USBHS", + .start = 0xE68B0000, + .end = 0xE68B00E6 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = evt2irq(0x1ce0) /* USB1_USB1I0 */, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device usbhs1_device = { + .name = "renesas_usbhs", + .id = 1, + .dev = { + .platform_data = &usbhs1_private.info, + }, + .num_resources = ARRAY_SIZE(usbhs1_resources), + .resource = usbhs1_resources, +}; + + /* LED */ static struct gpio_led mackerel_leds[] = { { @@ -690,7 +870,15 @@ static struct resource sdhi0_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e00) /* SDHI0 */, + .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */, .flags = IORESOURCE_IRQ, }, }; @@ -705,7 +893,7 @@ static struct platform_device sdhi0_device = { }, }; -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* SDHI1 */ static struct sh_mobile_sdhi_info sdhi1_info = { .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX, @@ -725,7 +913,15 @@ static struct resource sdhi1_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x0e80), + .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */ .flags = IORESOURCE_IRQ, }, }; @@ -768,7 +964,15 @@ static struct resource sdhi2_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = evt2irq(0x1200), + .start = evt2irq(0x1200), /* SDHI2_SDHI2I0 */ + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = evt2irq(0x1220), /* SDHI2_SDHI2I1 */ + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = evt2irq(0x1240), /* SDHI2_SDHI2I2 */ .flags = IORESOURCE_IRQ, }, }; @@ -803,6 +1007,15 @@ static struct resource sh_mmcif_resources[] = { }, }; +static struct sh_mmcif_dma sh_mmcif_dma = { + .chan_priv_rx = { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + }, + .chan_priv_tx = { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + }, +}; + static struct sh_mmcif_plat_data sh_mmcif_plat = { .sup_pclk = 0, .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34, @@ -810,6 +1023,7 @@ static struct sh_mmcif_plat_data sh_mmcif_plat = { MMC_CAP_8_BIT_DATA | MMC_CAP_NEEDS_POLL, .get_cd = slot_cn7_get_cd, + .dma = &sh_mmcif_dma, }; static struct platform_device sh_mmcif_device = { @@ -858,37 +1072,23 @@ static struct soc_camera_link camera_link = { .priv = &camera_info, }; -static void dummy_release(struct device *dev) +static struct platform_device *camera_device; + +static void mackerel_camera_release(struct device *dev) { + soc_camera_platform_release(&camera_device); } -static struct platform_device camera_device = { - .name = "soc_camera_platform", - .dev = { - .platform_data = &camera_info, - .release = dummy_release, - }, -}; - static int mackerel_camera_add(struct soc_camera_link *icl, struct device *dev) { - if (icl != &camera_link) - return -ENODEV; - - camera_info.dev = dev; - - return platform_device_register(&camera_device); + return soc_camera_platform_add(icl, dev, &camera_device, &camera_link, + mackerel_camera_release, 0); } static void mackerel_camera_del(struct soc_camera_link *icl) { - if (icl != &camera_link) - return; - - platform_device_unregister(&camera_device); - memset(&camera_device.dev.kobj, 0, - sizeof(camera_device.dev.kobj)); + soc_camera_platform_del(icl, camera_device, &camera_link); } static struct sh_mobile_ceu_info sh_mobile_ceu_info = { @@ -935,12 +1135,13 @@ static struct platform_device *mackerel_devices[] __initdata = { &smc911x_device, &lcdc_device, &usb1_host_device, + &usbhs1_device, &leds_device, &fsi_device, &fsi_ak4643_device, &fsi_hdmi_device, &sdhi0_device, -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) &sdhi1_device, #endif &sdhi2_device, @@ -1030,6 +1231,7 @@ static void __init mackerel_map_io(void) #define GPIO_PORT9CR 0xE6051009 #define GPIO_PORT10CR 0xE605100A +#define GPIO_PORT168CR 0xE60520A8 #define SRCR4 0xe61580bc #define USCCR1 0xE6058144 static void __init mackerel_init(void) @@ -1088,6 +1290,7 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_OVCN_1_114, NULL); gpio_request(GPIO_FN_EXTLP_1, NULL); gpio_request(GPIO_FN_OVCN2_1, NULL); + gpio_pull_down(GPIO_PORT168CR); /* setup USB phy */ __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */ @@ -1140,7 +1343,7 @@ static void __init mackerel_init(void) gpio_request(GPIO_FN_SDHID0_1, NULL); gpio_request(GPIO_FN_SDHID0_0, NULL); -#if !defined(CONFIG_MMC_SH_MMCIF) +#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE) /* enable SDHI1 */ gpio_request(GPIO_FN_SDHICMD1, NULL); gpio_request(GPIO_FN_SDHICLK1, NULL); @@ -1216,6 +1419,7 @@ static void __init mackerel_init(void) platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices)); hdmi_init_pm_clock(); + sh7372_pm_init(); } static void __init mackerel_timer_init(void) diff --git a/arch/arm/mach-shmobile/clock-sh7372.c b/arch/arm/mach-shmobile/clock-sh7372.c index e9731b5a73ed..d17eb66f4ac2 100644 --- a/arch/arm/mach-shmobile/clock-sh7372.c +++ b/arch/arm/mach-shmobile/clock-sh7372.c @@ -44,6 +44,11 @@ #define DSI1PCKCR 0xe6150098 #define PLLC01CR 0xe6150028 #define PLLC2CR 0xe615002c +#define RMSTPCR0 0xe6150110 +#define RMSTPCR1 0xe6150114 +#define RMSTPCR2 0xe6150118 +#define RMSTPCR3 0xe615011c +#define RMSTPCR4 0xe6150120 #define SMSTPCR0 0xe6150130 #define SMSTPCR1 0xe6150134 #define SMSTPCR2 0xe6150138 @@ -421,9 +426,6 @@ static unsigned long fsidiv_recalc(struct clk *clk) value = __raw_readl(clk->mapping->base); - if ((value & 0x3) != 0x3) - return 0; - value >>= 16; if (value < 2) return 0; @@ -504,7 +506,7 @@ static struct clk *late_main_clks[] = { enum { MSTP001, MSTP131, MSTP130, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, - MSTP118, MSTP117, MSTP116, + MSTP118, MSTP117, MSTP116, MSTP113, MSTP106, MSTP101, MSTP100, MSTP223, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, @@ -527,6 +529,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP118] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 18, 0), /* DSITX */ [MSTP117] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 17, 0), /* LCDC1 */ [MSTP116] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 16, 0), /* IIC0 */ + [MSTP113] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR1, 13, 0), /* MERAM */ [MSTP106] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 6, 0), /* JPU */ [MSTP101] = MSTP(&div4_clks[DIV4_M1], SMSTPCR1, 1, 0), /* VPU */ [MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */ @@ -617,6 +620,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-mipi-dsi.0", &mstp_clks[MSTP118]), /* DSITX0 */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.1", &mstp_clks[MSTP117]), /* LCDC1 */ CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* IIC0 */ + CLKDEV_DEV_ID("sh_mobile_meram.0", &mstp_clks[MSTP113]), /* MERAM */ CLKDEV_DEV_ID("uio_pdrv_genirq.5", &mstp_clks[MSTP106]), /* JPU */ CLKDEV_DEV_ID("uio_pdrv_genirq.0", &mstp_clks[MSTP101]), /* VPU */ CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */ @@ -634,6 +638,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */ CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP322]), /* USB0 */ CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP322]), /* USB0 */ + CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[MSTP322]), /* USB0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMC */ @@ -644,6 +649,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* IIC4 */ CLKDEV_DEV_ID("r8a66597_hcd.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("r8a66597_udc.1", &mstp_clks[MSTP406]), /* USB1 */ + CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[MSTP406]), /* USB1 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ CLKDEV_ICK_ID("ick", "sh-mobile-hdmi", &div6_reparent_clks[DIV6_HDMI]), @@ -655,6 +661,13 @@ void __init sh7372_clock_init(void) { int k, ret = 0; + /* make sure MSTP bits on the RT/SH4AL-DSP side are off */ + __raw_writel(0xe4ef8087, RMSTPCR0); + __raw_writel(0xffffffff, RMSTPCR1); + __raw_writel(0x37c7f7ff, RMSTPCR2); + __raw_writel(0xffffffff, RMSTPCR3); + __raw_writel(0xffe0fffd, RMSTPCR4); + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) ret = clk_register(main_clks[k]); diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c index 7e58904c1c8c..bcacb1e8cf85 100644 --- a/arch/arm/mach-shmobile/clock-sh73a0.c +++ b/arch/arm/mach-shmobile/clock-sh73a0.c @@ -266,7 +266,8 @@ enum { MSTP001, MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100, MSTP219, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200, - MSTP331, MSTP329, MSTP325, MSTP323, MSTP312, + MSTP331, MSTP329, MSTP325, MSTP323, MSTP318, + MSTP314, MSTP313, MSTP312, MSTP311, MSTP411, MSTP410, MSTP403, MSTP_NR }; @@ -295,7 +296,11 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */ [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */ [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */ + [MSTP318] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 18, 0), /* SY-DMAC */ + [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */ + [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */ + [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */ [MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */ [MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */ [MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */ @@ -313,6 +318,9 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]), CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]), CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]), + CLKDEV_CON_ID("sdhi0_clk", &div6_clks[DIV6_SDHI0]), + CLKDEV_CON_ID("sdhi1_clk", &div6_clks[DIV6_SDHI1]), + CLKDEV_CON_ID("sdhi2_clk", &div6_clks[DIV6_SDHI2]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]), CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]), @@ -341,7 +349,11 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */ CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */ CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */ + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP318]), /* SY-DMAC */ + CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */ + CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */ CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */ CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */ CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */ @@ -351,6 +363,11 @@ void __init sh73a0_clock_init(void) { int k, ret = 0; + /* Set SDHI clocks to a known state */ + __raw_writel(0x108, SD0CKCR); + __raw_writel(0x108, SD1CKCR); + __raw_writel(0x108, SD2CKCR); + /* detect main clock parent */ switch ((__raw_readl(CKSCR) >> 24) & 0x03) { case 0: diff --git a/arch/arm/mach-shmobile/cpuidle.c b/arch/arm/mach-shmobile/cpuidle.c new file mode 100644 index 000000000000..2e44f11f592e --- /dev/null +++ b/arch/arm/mach-shmobile/cpuidle.c @@ -0,0 +1,92 @@ +/* + * CPUIdle support code for SH-Mobile ARM + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/cpuidle.h> +#include <linux/suspend.h> +#include <linux/module.h> +#include <linux/err.h> +#include <asm/system.h> +#include <asm/io.h> + +static void shmobile_enter_wfi(void) +{ + cpu_do_idle(); +} + +void (*shmobile_cpuidle_modes[CPUIDLE_STATE_MAX])(void) = { + shmobile_enter_wfi, /* regular sleep mode */ +}; + +static int shmobile_cpuidle_enter(struct cpuidle_device *dev, + struct cpuidle_state *state) +{ + ktime_t before, after; + int requested_state = state - &dev->states[0]; + + dev->last_state = &dev->states[requested_state]; + before = ktime_get(); + + local_irq_disable(); + local_fiq_disable(); + + shmobile_cpuidle_modes[requested_state](); + + local_irq_enable(); + local_fiq_enable(); + + after = ktime_get(); + return ktime_to_ns(ktime_sub(after, before)) >> 10; +} + +static struct cpuidle_device shmobile_cpuidle_dev; +static struct cpuidle_driver shmobile_cpuidle_driver = { + .name = "shmobile_cpuidle", + .owner = THIS_MODULE, +}; + +void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); + +static int shmobile_cpuidle_init(void) +{ + struct cpuidle_device *dev = &shmobile_cpuidle_dev; + struct cpuidle_state *state; + int i; + + cpuidle_register_driver(&shmobile_cpuidle_driver); + + for (i = 0; i < CPUIDLE_STATE_MAX; i++) { + dev->states[i].name[0] = '\0'; + dev->states[i].desc[0] = '\0'; + dev->states[i].enter = shmobile_cpuidle_enter; + } + + i = CPUIDLE_DRIVER_STATE_START; + + state = &dev->states[i++]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C1"); + strncpy(state->desc, "WFI", CPUIDLE_DESC_LEN); + state->exit_latency = 1; + state->target_residency = 1 * 2; + state->power_usage = 3; + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + + dev->safe_state = state; + dev->state_count = i; + + if (shmobile_cpuidle_setup) + shmobile_cpuidle_setup(dev); + + cpuidle_register_device(dev); + + return 0; +} +late_initcall(shmobile_cpuidle_init); diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index d4cec6b4c7d9..26079d933d91 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -24,4 +24,4 @@ .align 12 ENTRY(shmobile_secondary_vector) ldr pc, 1f -1: .long secondary_startup - PAGE_OFFSET + PHYS_OFFSET +1: .long secondary_startup - PAGE_OFFSET + PLAT_PHYS_OFFSET diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 013ac0ee8256..06aecb31d9c7 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -8,6 +8,10 @@ struct clk; extern int clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); extern void shmobile_handle_irq_gic(struct pt_regs *); +extern struct platform_suspend_ops shmobile_suspend_ops; +struct cpuidle_device; +extern void (*shmobile_cpuidle_modes[])(void); +extern void (*shmobile_cpuidle_setup)(struct cpuidle_device *dev); extern void sh7367_init_irq(void); extern void sh7367_add_early_devices(void); @@ -30,6 +34,9 @@ extern void sh7372_add_early_devices(void); extern void sh7372_add_standard_devices(void); extern void sh7372_clock_init(void); extern void sh7372_pinmux_init(void); +extern void sh7372_pm_init(void); +extern void sh7372_cpu_suspend(void); +extern void sh7372_cpu_resume(void); extern struct clk sh7372_extal1_clk; extern struct clk sh7372_extal2_clk; diff --git a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt index 3029aba38688..9f134dfeffdc 100644 --- a/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt +++ b/arch/arm/mach-shmobile/include/mach/head-ap4evb.txt @@ -87,8 +87,7 @@ WAIT 1, 0xFE40009C ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" -EB 0xE6053098, 0x11 EB 0xE6053098, 0xe1 EW 0xE6C40000, 0x0000 EB 0xE6C40004, 0x19 -EW 0xE6C40008, 0x3000 +EW 0xE6C40008, 0x0030 diff --git a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt index 3029aba38688..9f134dfeffdc 100644 --- a/arch/arm/mach-shmobile/include/mach/head-mackerel.txt +++ b/arch/arm/mach-shmobile/include/mach/head-mackerel.txt @@ -87,8 +87,7 @@ WAIT 1, 0xFE40009C ED 0xFE400354, 0x01AD8002 LIST "SCIF0 - Serial port for earlyprintk" -EB 0xE6053098, 0x11 EB 0xE6053098, 0xe1 EW 0xE6C40000, 0x0000 EB 0xE6C40004, 0x19 -EW 0xE6C40008, 0x3000 +EW 0xE6C40008, 0x0030 diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h index 5736efcca60c..df20d7670172 100644 --- a/arch/arm/mach-shmobile/include/mach/sh7372.h +++ b/arch/arm/mach-shmobile/include/mach/sh7372.h @@ -435,6 +435,7 @@ enum { /* DMA slave IDs */ enum { + SHDMA_SLAVE_INVALID, SHDMA_SLAVE_SCIF0_TX, SHDMA_SLAVE_SCIF0_RX, SHDMA_SLAVE_SCIF1_TX, diff --git a/arch/arm/mach-shmobile/include/mach/sh73a0.h b/arch/arm/mach-shmobile/include/mach/sh73a0.h index ceb2cdc92bf9..216c3d695ef1 100644 --- a/arch/arm/mach-shmobile/include/mach/sh73a0.h +++ b/arch/arm/mach-shmobile/include/mach/sh73a0.h @@ -463,5 +463,35 @@ enum { GPIO_FN_FSIAIBT_PU, GPIO_FN_FSIAISLD_PU, }; +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_SCIF0_TX, + SHDMA_SLAVE_SCIF0_RX, + SHDMA_SLAVE_SCIF1_TX, + SHDMA_SLAVE_SCIF1_RX, + SHDMA_SLAVE_SCIF2_TX, + SHDMA_SLAVE_SCIF2_RX, + SHDMA_SLAVE_SCIF3_TX, + SHDMA_SLAVE_SCIF3_RX, + SHDMA_SLAVE_SCIF4_TX, + SHDMA_SLAVE_SCIF4_RX, + SHDMA_SLAVE_SCIF5_TX, + SHDMA_SLAVE_SCIF5_RX, + SHDMA_SLAVE_SCIF6_TX, + SHDMA_SLAVE_SCIF6_RX, + SHDMA_SLAVE_SCIF7_TX, + SHDMA_SLAVE_SCIF7_RX, + SHDMA_SLAVE_SCIF8_TX, + SHDMA_SLAVE_SCIF8_RX, + SHDMA_SLAVE_SDHI0_TX, + SHDMA_SLAVE_SDHI0_RX, + SHDMA_SLAVE_SDHI1_TX, + SHDMA_SLAVE_SDHI1_RX, + SHDMA_SLAVE_SDHI2_TX, + SHDMA_SLAVE_SDHI2_RX, + SHDMA_SLAVE_MMCIF_TX, + SHDMA_SLAVE_MMCIF_RX, +}; #endif /* __ASM_SH73A0_H__ */ diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c index 7a4960f9c1e3..3b28743c77eb 100644 --- a/arch/arm/mach-shmobile/intc-sh7372.c +++ b/arch/arm/mach-shmobile/intc-sh7372.c @@ -27,8 +27,6 @@ enum { UNUSED_INTCA = 0, - ENABLED, - DISABLED, /* interrupt sources INTCA */ IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A, @@ -49,14 +47,14 @@ enum { MSIOF2, MSIOF1, SCIFA4, SCIFA5, SCIFB, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I, - SDHI0, - SDHI1, + SDHI0_SDHI0I0, SDHI0_SDHI0I1, SDHI0_SDHI0I2, SDHI0_SDHI0I3, + SDHI1_SDHI1I0, SDHI1_SDHI1I1, SDHI1_SDHI1I2, IRREM, IRDA, TPU0, TTI20, DDM, - SDHI2, + SDHI2_SDHI2I0, SDHI2_SDHI2I1, SDHI2_SDHI2I2, SDHI2_SDHI2I3, RWDT0, DMAC1_1_DEI0, DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3, DMAC1_2_DEI4, DMAC1_2_DEI5, DMAC1_2_DADERR, @@ -84,7 +82,7 @@ enum { /* interrupt groups INTCA */ DMAC1_1, DMAC1_2, DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2, SHWYSTAT, - AP_ARM1, AP_ARM2, SPU2, FLCTL, IIC1 + AP_ARM1, AP_ARM2, SPU2, FLCTL, IIC1, SDHI0, SDHI1, SDHI2 }; static struct intc_vect intca_vectors[] __initdata = { @@ -125,17 +123,17 @@ static struct intc_vect intca_vectors[] __initdata = { INTC_VECT(SCIFB, 0x0d60), INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0), INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0), - INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20), - INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60), - INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0), - INTC_VECT(SDHI1, 0x0ec0), + INTC_VECT(SDHI0_SDHI0I0, 0x0e00), INTC_VECT(SDHI0_SDHI0I1, 0x0e20), + INTC_VECT(SDHI0_SDHI0I2, 0x0e40), INTC_VECT(SDHI0_SDHI0I3, 0x0e60), + INTC_VECT(SDHI1_SDHI1I0, 0x0e80), INTC_VECT(SDHI1_SDHI1I1, 0x0ea0), + INTC_VECT(SDHI1_SDHI1I2, 0x0ec0), INTC_VECT(IRREM, 0x0f60), INTC_VECT(IRDA, 0x0480), INTC_VECT(TPU0, 0x04a0), INTC_VECT(TTI20, 0x1100), INTC_VECT(DDM, 0x1140), - INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220), - INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260), + INTC_VECT(SDHI2_SDHI2I0, 0x1200), INTC_VECT(SDHI2_SDHI2I1, 0x1220), + INTC_VECT(SDHI2_SDHI2I2, 0x1240), INTC_VECT(SDHI2_SDHI2I3, 0x1260), INTC_VECT(RWDT0, 0x1280), INTC_VECT(DMAC1_1_DEI0, 0x2000), INTC_VECT(DMAC1_1_DEI1, 0x2020), INTC_VECT(DMAC1_1_DEI2, 0x2040), INTC_VECT(DMAC1_1_DEI3, 0x2060), @@ -195,6 +193,12 @@ static struct intc_group intca_groups[] __initdata = { INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I), INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1), + INTC_GROUP(SDHI0, SDHI0_SDHI0I0, SDHI0_SDHI0I1, + SDHI0_SDHI0I2, SDHI0_SDHI0I3), + INTC_GROUP(SDHI1, SDHI1_SDHI1I0, SDHI1_SDHI1I1, + SDHI1_SDHI1I2), + INTC_GROUP(SDHI2, SDHI2_SDHI2I0, SDHI2_SDHI2I1, + SDHI2_SDHI2I2, SDHI2_SDHI2I3), INTC_GROUP(SHWYSTAT, SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM), }; @@ -230,10 +234,10 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = { { SCIFB, SCIFA5, SCIFA4, MSIOF1, 0, 0, MSIOF2, 0 } }, { 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */ - { DISABLED, ENABLED, ENABLED, ENABLED, + { SDHI0_SDHI0I3, SDHI0_SDHI0I2, SDHI0_SDHI0I1, SDHI0_SDHI0I0, FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } }, { 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */ - { 0, ENABLED, ENABLED, ENABLED, + { 0, SDHI1_SDHI1I2, SDHI1_SDHI1I1, SDHI1_SDHI1I0, TTI20, USBHSDMAC0_USHDMI, 0, 0 } }, { 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */ { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10, @@ -248,7 +252,7 @@ static struct intc_mask_reg intca_mask_registers[] __initdata = { { 0, 0, TPU0, 0, 0, 0, 0, 0 } }, { 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */ - { DISABLED, DISABLED, ENABLED, ENABLED, + { SDHI2_SDHI2I3, SDHI2_SDHI2I2, SDHI2_SDHI2I1, SDHI2_SDHI2I0, 0, CMT3, 0, RWDT0 } }, { 0xe6950080, 0xe69500c0, 8, /* IMR0A3 / IMCR0A3 */ { SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, 0, @@ -354,14 +358,10 @@ static struct intc_mask_reg intca_ack_registers[] __initdata = { { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } }, }; -static struct intc_desc intca_desc __initdata = { - .name = "sh7372-intca", - .force_enable = ENABLED, - .force_disable = DISABLED, - .hw = INTC_HW_DESC(intca_vectors, intca_groups, - intca_mask_registers, intca_prio_registers, - intca_sense_registers, intca_ack_registers), -}; +static DECLARE_INTC_DESC_ACK(intca_desc, "sh7372-intca", + intca_vectors, intca_groups, + intca_mask_registers, intca_prio_registers, + intca_sense_registers, intca_ack_registers); enum { UNUSED_INTCS = 0, diff --git a/arch/arm/mach-shmobile/pm-sh7372.c b/arch/arm/mach-shmobile/pm-sh7372.c new file mode 100644 index 000000000000..8e4aadf14c9f --- /dev/null +++ b/arch/arm/mach-shmobile/pm-sh7372.c @@ -0,0 +1,108 @@ +/* + * sh7372 Power management support + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/suspend.h> +#include <linux/cpuidle.h> +#include <linux/module.h> +#include <linux/list.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <asm/system.h> +#include <asm/io.h> +#include <asm/tlbflush.h> +#include <mach/common.h> + +#define SMFRAM 0xe6a70000 +#define SYSTBCR 0xe6150024 +#define SBAR 0xe6180020 +#define APARMBAREA 0xe6f10020 + +static void sh7372_enter_core_standby(void) +{ + void __iomem *smfram = (void __iomem *)SMFRAM; + + __raw_writel(0, APARMBAREA); /* translate 4k */ + __raw_writel(__pa(sh7372_cpu_resume), SBAR); /* set reset vector */ + __raw_writel(0x10, SYSTBCR); /* enable core standby */ + + __raw_writel(0, smfram + 0x3c); /* clear page table address */ + + sh7372_cpu_suspend(); + cpu_init(); + + /* if page table address is non-NULL then we have been powered down */ + if (__raw_readl(smfram + 0x3c)) { + __raw_writel(__raw_readl(smfram + 0x40), + __va(__raw_readl(smfram + 0x3c))); + + flush_tlb_all(); + set_cr(__raw_readl(smfram + 0x38)); + } + + __raw_writel(0, SYSTBCR); /* disable core standby */ + __raw_writel(0, SBAR); /* disable reset vector translation */ +} + +#ifdef CONFIG_CPU_IDLE +static void sh7372_cpuidle_setup(struct cpuidle_device *dev) +{ + struct cpuidle_state *state; + int i = dev->state_count; + + state = &dev->states[i]; + snprintf(state->name, CPUIDLE_NAME_LEN, "C2"); + strncpy(state->desc, "Core Standby Mode", CPUIDLE_DESC_LEN); + state->exit_latency = 10; + state->target_residency = 20 + 10; + state->power_usage = 1; /* perhaps not */ + state->flags = 0; + state->flags |= CPUIDLE_FLAG_TIME_VALID; + shmobile_cpuidle_modes[i] = sh7372_enter_core_standby; + + dev->state_count = i + 1; +} + +static void sh7372_cpuidle_init(void) +{ + shmobile_cpuidle_setup = sh7372_cpuidle_setup; +} +#else +static void sh7372_cpuidle_init(void) {} +#endif + +#ifdef CONFIG_SUSPEND +static int sh7372_enter_suspend(suspend_state_t suspend_state) +{ + sh7372_enter_core_standby(); + return 0; +} + +static void sh7372_suspend_init(void) +{ + shmobile_suspend_ops.enter = sh7372_enter_suspend; +} +#else +static void sh7372_suspend_init(void) {} +#endif + +#define DBGREG1 0xe6100020 +#define DBGREG9 0xe6100040 + +void __init sh7372_pm_init(void) +{ + /* enable DBG hardware block to kick SYSC */ + __raw_writel(0x0000a500, DBGREG9); + __raw_writel(0x0000a501, DBGREG9); + __raw_writel(0x00000000, DBGREG1); + + sh7372_suspend_init(); + sh7372_cpuidle_init(); +} diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c index ce28141662da..2c10190dbb55 100644 --- a/arch/arm/mach-shmobile/setup-sh7367.c +++ b/arch/arm/mach-shmobile/setup-sh7367.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -195,6 +196,214 @@ static struct platform_device cmt10_device = { .num_resources = ARRAY_SIZE(cmt10_resources), }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe902807, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe9280b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c0b7, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* VEU2H */ +static struct uio_info veu2h_platform_data = { + .name = "VEU2H", + .version = "0", + .irq = intcs_evt2irq(0x520), +}; + +static struct resource veu2h_resources[] = { + [0] = { + .name = "VEU2H", + .start = 0xfe93c000, + .end = 0xfe93c27b, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2h_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &veu2h_platform_data, + }, + .resource = veu2h_resources, + .num_resources = ARRAY_SIZE(veu2h_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU1", + .version = "0", + .irq = evt2irq(0xfc0), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7367_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -206,10 +415,24 @@ static struct platform_device *sh7367_early_devices[] __initdata = { &cmt10_device, }; +static struct platform_device *sh7367_devices[] __initdata = { + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &veu2h_device, + &jpu_device, + &spu1_device, +}; + void __init sh7367_add_standard_devices(void) { platform_add_devices(sh7367_early_devices, ARRAY_SIZE(sh7367_early_devices)); + + platform_add_devices(sh7367_devices, + ARRAY_SIZE(sh7367_devices)); } #define SYMSTPCR2 0xe6158048 diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c index ff0494f3d00c..cd807eea69e2 100644 --- a/arch/arm/mach-shmobile/setup-sh7372.c +++ b/arch/arm/mach-shmobile/setup-sh7372.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -601,6 +602,214 @@ static struct platform_device dma2_device = { }, }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5HG", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe900157, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe928307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU2DSP0 */ +static struct uio_info spu0_platform_data = { + .name = "SPU2DSP0", + .version = "0", + .irq = evt2irq(0x1800), +}; + +static struct resource spu0_resources[] = { + [0] = { + .name = "SPU2DSP0", + .start = 0xfe200000, + .end = 0xfe2fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu0_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &spu0_platform_data, + }, + .resource = spu0_resources, + .num_resources = ARRAY_SIZE(spu0_resources), +}; + +/* SPU2DSP1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU2DSP1", + .version = "0", + .irq = evt2irq(0x1820), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU2DSP1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7372_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -620,6 +829,14 @@ static struct platform_device *sh7372_late_devices[] __initdata = { &dma0_device, &dma1_device, &dma2_device, + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &jpu_device, + &spu0_device, + &spu1_device, }; void __init sh7372_add_standard_devices(void) diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c index 8099b0b8a934..bb405b8e459b 100644 --- a/arch/arm/mach-shmobile/setup-sh7377.c +++ b/arch/arm/mach-shmobile/setup-sh7377.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/platform_device.h> +#include <linux/uio_driver.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/io.h> @@ -38,7 +39,7 @@ static struct plat_sci_port scif0_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00), evt2irq(0xc00) }, }; @@ -57,7 +58,7 @@ static struct plat_sci_port scif1_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20), evt2irq(0xc20) }, }; @@ -76,7 +77,7 @@ static struct plat_sci_port scif2_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40), evt2irq(0xc40) }, }; @@ -95,7 +96,7 @@ static struct plat_sci_port scif3_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60), evt2irq(0xc60) }, }; @@ -114,7 +115,7 @@ static struct plat_sci_port scif4_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20), evt2irq(0xd20) }, }; @@ -133,7 +134,7 @@ static struct plat_sci_port scif5_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40), evt2irq(0xd40) }, }; @@ -152,7 +153,7 @@ static struct plat_sci_port scif6_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFA, .irqs = { intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80), intcs_evt2irq(0x1a80) }, }; @@ -171,7 +172,7 @@ static struct plat_sci_port scif7_platform_data = { .flags = UPF_BOOT_AUTOCONF, .scscr = SCSCR_RE | SCSCR_TE, .scbrr_algo_id = SCBRR_ALGO_4, - .type = PORT_SCIF, + .type = PORT_SCIFB, .irqs = { evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60), evt2irq(0xd60) }, }; @@ -215,6 +216,214 @@ static struct platform_device cmt10_device = { .num_resources = ARRAY_SIZE(cmt10_resources), }; +/* VPU */ +static struct uio_info vpu_platform_data = { + .name = "VPU5HG", + .version = "0", + .irq = intcs_evt2irq(0x980), +}; + +static struct resource vpu_resources[] = { + [0] = { + .name = "VPU", + .start = 0xfe900000, + .end = 0xfe900157, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device vpu_device = { + .name = "uio_pdrv_genirq", + .id = 0, + .dev = { + .platform_data = &vpu_platform_data, + }, + .resource = vpu_resources, + .num_resources = ARRAY_SIZE(vpu_resources), +}; + +/* VEU0 */ +static struct uio_info veu0_platform_data = { + .name = "VEU0", + .version = "0", + .irq = intcs_evt2irq(0x700), +}; + +static struct resource veu0_resources[] = { + [0] = { + .name = "VEU0", + .start = 0xfe920000, + .end = 0xfe9200cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu0_device = { + .name = "uio_pdrv_genirq", + .id = 1, + .dev = { + .platform_data = &veu0_platform_data, + }, + .resource = veu0_resources, + .num_resources = ARRAY_SIZE(veu0_resources), +}; + +/* VEU1 */ +static struct uio_info veu1_platform_data = { + .name = "VEU1", + .version = "0", + .irq = intcs_evt2irq(0x720), +}; + +static struct resource veu1_resources[] = { + [0] = { + .name = "VEU1", + .start = 0xfe924000, + .end = 0xfe9240cb, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu1_device = { + .name = "uio_pdrv_genirq", + .id = 2, + .dev = { + .platform_data = &veu1_platform_data, + }, + .resource = veu1_resources, + .num_resources = ARRAY_SIZE(veu1_resources), +}; + +/* VEU2 */ +static struct uio_info veu2_platform_data = { + .name = "VEU2", + .version = "0", + .irq = intcs_evt2irq(0x740), +}; + +static struct resource veu2_resources[] = { + [0] = { + .name = "VEU2", + .start = 0xfe928000, + .end = 0xfe928307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu2_device = { + .name = "uio_pdrv_genirq", + .id = 3, + .dev = { + .platform_data = &veu2_platform_data, + }, + .resource = veu2_resources, + .num_resources = ARRAY_SIZE(veu2_resources), +}; + +/* VEU3 */ +static struct uio_info veu3_platform_data = { + .name = "VEU3", + .version = "0", + .irq = intcs_evt2irq(0x760), +}; + +static struct resource veu3_resources[] = { + [0] = { + .name = "VEU3", + .start = 0xfe92c000, + .end = 0xfe92c307, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device veu3_device = { + .name = "uio_pdrv_genirq", + .id = 4, + .dev = { + .platform_data = &veu3_platform_data, + }, + .resource = veu3_resources, + .num_resources = ARRAY_SIZE(veu3_resources), +}; + +/* JPU */ +static struct uio_info jpu_platform_data = { + .name = "JPU", + .version = "0", + .irq = intcs_evt2irq(0x560), +}; + +static struct resource jpu_resources[] = { + [0] = { + .name = "JPU", + .start = 0xfe980000, + .end = 0xfe9902d3, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device jpu_device = { + .name = "uio_pdrv_genirq", + .id = 5, + .dev = { + .platform_data = &jpu_platform_data, + }, + .resource = jpu_resources, + .num_resources = ARRAY_SIZE(jpu_resources), +}; + +/* SPU2DSP0 */ +static struct uio_info spu0_platform_data = { + .name = "SPU2DSP0", + .version = "0", + .irq = evt2irq(0x1800), +}; + +static struct resource spu0_resources[] = { + [0] = { + .name = "SPU2DSP0", + .start = 0xfe200000, + .end = 0xfe2fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu0_device = { + .name = "uio_pdrv_genirq", + .id = 6, + .dev = { + .platform_data = &spu0_platform_data, + }, + .resource = spu0_resources, + .num_resources = ARRAY_SIZE(spu0_resources), +}; + +/* SPU2DSP1 */ +static struct uio_info spu1_platform_data = { + .name = "SPU2DSP1", + .version = "0", + .irq = evt2irq(0x1820), +}; + +static struct resource spu1_resources[] = { + [0] = { + .name = "SPU2DSP1", + .start = 0xfe300000, + .end = 0xfe3fffff, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device spu1_device = { + .name = "uio_pdrv_genirq", + .id = 7, + .dev = { + .platform_data = &spu1_platform_data, + }, + .resource = spu1_resources, + .num_resources = ARRAY_SIZE(spu1_resources), +}; + static struct platform_device *sh7377_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -227,10 +436,24 @@ static struct platform_device *sh7377_early_devices[] __initdata = { &cmt10_device, }; +static struct platform_device *sh7377_devices[] __initdata = { + &vpu_device, + &veu0_device, + &veu1_device, + &veu2_device, + &veu3_device, + &jpu_device, + &spu0_device, + &spu1_device, +}; + void __init sh7377_add_standard_devices(void) { platform_add_devices(sh7377_early_devices, ARRAY_SIZE(sh7377_early_devices)); + + platform_add_devices(sh7377_devices, + ARRAY_SIZE(sh7377_devices)); } #define SMSTPCR3 0xe615013c diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c index 685c40a2f5e6..e46821c0a62e 100644 --- a/arch/arm/mach-shmobile/setup-sh73a0.c +++ b/arch/arm/mach-shmobile/setup-sh73a0.c @@ -27,9 +27,11 @@ #include <linux/input.h> #include <linux/io.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <linux/sh_timer.h> #include <mach/hardware.h> +#include <mach/sh73a0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -392,6 +394,242 @@ static struct platform_device i2c4_device = { .num_resources = ARRAY_SIZE(i2c4_resources), }; +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 0, + XMIT_SZ_16BIT = 1, + XMIT_SZ_32BIT = 2, + XMIT_SZ_64BIT = 7, + XMIT_SZ_128BIT = 3, + XMIT_SZ_256BIT = 4, + XMIT_SZ_512BIT = 5, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_64BIT] = 3, \ + [XMIT_SZ_128BIT] = 4, \ + [XMIT_SZ_256BIT] = 5, \ + [XMIT_SZ_512BIT] = 6, \ +} + +#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2))) +#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz))) +#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz))) + +static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xe6c40020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xe6c40024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xe6c50020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xe6c50024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xe6c60020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xe6c60024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_TX, + .addr = 0xe6c70020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x2d, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_RX, + .addr = 0xe6c70024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x2e, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_TX, + .addr = 0xe6c80020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x39, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_RX, + .addr = 0xe6c80024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3a, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_TX, + .addr = 0xe6cb0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x35, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_RX, + .addr = 0xe6cb0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x36, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_TX, + .addr = 0xe6cc0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x1d, + }, { + .slave_id = SHDMA_SLAVE_SCIF6_RX, + .addr = 0xe6cc0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1e, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_TX, + .addr = 0xe6cd0020, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x19, + }, { + .slave_id = SHDMA_SLAVE_SCIF7_RX, + .addr = 0xe6cd0024, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x1a, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_TX, + .addr = 0xe6c30040, + .chcr = CHCR_TX(XMIT_SZ_8BIT), + .mid_rid = 0x3d, + }, { + .slave_id = SHDMA_SLAVE_SCIF8_RX, + .addr = 0xe6c30060, + .chcr = CHCR_RX(XMIT_SZ_8BIT), + .mid_rid = 0x3e, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xee100030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xee100030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xee120030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xee120030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xee140030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xee140030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + .addr = 0xe6bd0034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + .addr = 0xe6bd0034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, +}; + +#define DMAE_CHANNEL(_offset) \ + { \ + .offset = _offset - 0x20, \ + .dmars = _offset - 0x20 + 0x40, \ + } + +static const struct sh_dmae_channel sh73a0_dmae_channels[] = { + DMAE_CHANNEL(0x8000), + DMAE_CHANNEL(0x8080), + DMAE_CHANNEL(0x8100), + DMAE_CHANNEL(0x8180), + DMAE_CHANNEL(0x8200), + DMAE_CHANNEL(0x8280), + DMAE_CHANNEL(0x8300), + DMAE_CHANNEL(0x8380), + DMAE_CHANNEL(0x8400), + DMAE_CHANNEL(0x8480), + DMAE_CHANNEL(0x8500), + DMAE_CHANNEL(0x8580), + DMAE_CHANNEL(0x8600), + DMAE_CHANNEL(0x8680), + DMAE_CHANNEL(0x8700), + DMAE_CHANNEL(0x8780), + DMAE_CHANNEL(0x8800), + DMAE_CHANNEL(0x8880), + DMAE_CHANNEL(0x8900), + DMAE_CHANNEL(0x8980), +}; + +static const unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata sh73a0_dmae_platform_data = { + .slave = sh73a0_dmae_slaves, + .slave_num = ARRAY_SIZE(sh73a0_dmae_slaves), + .channel = sh73a0_dmae_channels, + .channel_num = ARRAY_SIZE(sh73a0_dmae_channels), + .ts_low_shift = 3, + .ts_low_mask = 0x18, + .ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */ + .ts_high_mask = 0x00300000, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_DME, +}; + +static struct resource sh73a0_dmae_resources[] = { + { + /* Registers including DMAOR and channels including DMARSx */ + .start = 0xfe000020, + .end = 0xfe008a00 - 1, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = gic_spi(129), + .end = gic_spi(129), + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-19 */ + .start = gic_spi(109), + .end = gic_spi(128), + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dma0_device = { + .name = "sh-dma-engine", + .id = 0, + .resource = sh73a0_dmae_resources, + .num_resources = ARRAY_SIZE(sh73a0_dmae_resources), + .dev = { + .platform_data = &sh73a0_dmae_platform_data, + }, +}; + static struct platform_device *sh73a0_early_devices[] __initdata = { &scif0_device, &scif1_device, @@ -413,10 +651,16 @@ static struct platform_device *sh73a0_late_devices[] __initdata = { &i2c2_device, &i2c3_device, &i2c4_device, + &dma0_device, }; +#define SRCR2 0xe61580b0 + void __init sh73a0_add_standard_devices(void) { + /* Clear software reset bit on SY-DMAC module */ + __raw_writel(__raw_readl(SRCR2) & ~(1 << 18), SRCR2); + platform_add_devices(sh73a0_early_devices, ARRAY_SIZE(sh73a0_early_devices)); platform_add_devices(sh73a0_late_devices, diff --git a/arch/arm/mach-shmobile/sleep-sh7372.S b/arch/arm/mach-shmobile/sleep-sh7372.S new file mode 100644 index 000000000000..d37d3ca4d18f --- /dev/null +++ b/arch/arm/mach-shmobile/sleep-sh7372.S @@ -0,0 +1,260 @@ +/* + * sh7372 lowlevel sleep code for "Core Standby Mode" + * + * Copyright (C) 2011 Magnus Damm + * + * In "Core Standby Mode" the ARM core is off, but L2 cache is still on + * + * Based on mach-omap2/sleep34xx.S + * + * (C) Copyright 2007 Texas Instruments + * Karthik Dasu <karthik-dp@ti.com> + * + * (C) Copyright 2004 Texas Instruments, <www.ti.com> + * Richard Woodruff <r-woodruff2@ti.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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#define SMFRAM 0xe6a70000 + + .align +kernel_flush: + .word v7_flush_dcache_all + + .align 3 +ENTRY(sh7372_cpu_suspend) + stmfd sp!, {r0-r12, lr} @ save registers on stack + + ldr r8, =SMFRAM + + mov r4, sp @ Store sp + mrs r5, spsr @ Store spsr + mov r6, lr @ Store lr + stmia r8!, {r4-r6} + + mrc p15, 0, r4, c1, c0, 2 @ Coprocessor access control register + mrc p15, 0, r5, c2, c0, 0 @ TTBR0 + mrc p15, 0, r6, c2, c0, 1 @ TTBR1 + mrc p15, 0, r7, c2, c0, 2 @ TTBCR + stmia r8!, {r4-r7} + + mrc p15, 0, r4, c3, c0, 0 @ Domain access Control Register + mrc p15, 0, r5, c10, c2, 0 @ PRRR + mrc p15, 0, r6, c10, c2, 1 @ NMRR + stmia r8!,{r4-r6} + + mrc p15, 0, r4, c13, c0, 1 @ Context ID + mrc p15, 0, r5, c13, c0, 2 @ User r/w thread and process ID + mrc p15, 0, r6, c12, c0, 0 @ Secure or NS vector base address + mrs r7, cpsr @ Store current cpsr + stmia r8!, {r4-r7} + + mrc p15, 0, r4, c1, c0, 0 @ save control register + stmia r8!, {r4} + + /* + * jump out to kernel flush routine + * - reuse that code is better + * - it executes in a cached space so is faster than refetch per-block + * - should be faster and will change with kernel + * - 'might' have to copy address, load and jump to it + * Flush all data from the L1 data cache before disabling + * SCTLR.C bit. + */ + ldr r1, kernel_flush + mov lr, pc + bx r1 + + /* + * Clear the SCTLR.C bit to prevent further data cache + * allocation. Clearing SCTLR.C would make all the data accesses + * strongly ordered and would not hit the cache. + */ + mrc p15, 0, r0, c1, c0, 0 + bic r0, r0, #(1 << 2) @ Disable the C bit + mcr p15, 0, r0, c1, c0, 0 + isb + + /* + * Invalidate L1 data cache. Even though only invalidate is + * necessary exported flush API is used here. Doing clean + * on already clean cache would be almost NOP. + */ + ldr r1, kernel_flush + blx r1 + /* + * The kernel doesn't interwork: v7_flush_dcache_all in particluar will + * always return in Thumb state when CONFIG_THUMB2_KERNEL is enabled. + * This sequence switches back to ARM. Note that .align may insert a + * nop: bx pc needs to be word-aligned in order to work. + */ + THUMB( .thumb ) + THUMB( .align ) + THUMB( bx pc ) + THUMB( nop ) + .arm + + /* Data memory barrier and Data sync barrier */ + dsb + dmb + +/* + * =================================== + * == WFI instruction => Enter idle == + * =================================== + */ + wfi @ wait for interrupt + +/* + * =================================== + * == Resume path for non-OFF modes == + * =================================== + */ + mrc p15, 0, r0, c1, c0, 0 + tst r0, #(1 << 2) @ Check C bit enabled? + orreq r0, r0, #(1 << 2) @ Enable the C bit if cleared + mcreq p15, 0, r0, c1, c0, 0 + isb + +/* + * =================================== + * == Exit point from non-OFF modes == + * =================================== + */ + ldmfd sp!, {r0-r12, pc} @ restore regs and return + + .pool + + .align 12 + .text + .global sh7372_cpu_resume +sh7372_cpu_resume: + + mov r1, #0 + /* + * Invalidate all instruction caches to PoU + * and flush branch target cache + */ + mcr p15, 0, r1, c7, c5, 0 + + ldr r3, =SMFRAM + + ldmia r3!, {r4-r6} + mov sp, r4 @ Restore sp + msr spsr_cxsf, r5 @ Restore spsr + mov lr, r6 @ Restore lr + + ldmia r3!, {r4-r7} + mcr p15, 0, r4, c1, c0, 2 @ Coprocessor access Control Register + mcr p15, 0, r5, c2, c0, 0 @ TTBR0 + mcr p15, 0, r6, c2, c0, 1 @ TTBR1 + mcr p15, 0, r7, c2, c0, 2 @ TTBCR + + ldmia r3!,{r4-r6} + mcr p15, 0, r4, c3, c0, 0 @ Domain access Control Register + mcr p15, 0, r5, c10, c2, 0 @ PRRR + mcr p15, 0, r6, c10, c2, 1 @ NMRR + + ldmia r3!,{r4-r7} + mcr p15, 0, r4, c13, c0, 1 @ Context ID + mcr p15, 0, r5, c13, c0, 2 @ User r/w thread and process ID + mrc p15, 0, r6, c12, c0, 0 @ Secure or NS vector base address + msr cpsr, r7 @ store cpsr + + /* Starting to enable MMU here */ + mrc p15, 0, r7, c2, c0, 2 @ Read TTBRControl + /* Extract N (0:2) bits and decide whether to use TTBR0 or TTBR1 */ + and r7, #0x7 + cmp r7, #0x0 + beq usettbr0 +ttbr_error: + /* + * More work needs to be done to support N[0:2] value other than 0 + * So looping here so that the error can be detected + */ + b ttbr_error + + .align +cache_pred_disable_mask: + .word 0xFFFFE7FB +ttbrbit_mask: + .word 0xFFFFC000 +table_index_mask: + .word 0xFFF00000 +table_entry: + .word 0x00000C02 +usettbr0: + + mrc p15, 0, r2, c2, c0, 0 + ldr r5, ttbrbit_mask + and r2, r5 + mov r4, pc + ldr r5, table_index_mask + and r4, r5 @ r4 = 31 to 20 bits of pc + /* Extract the value to be written to table entry */ + ldr r6, table_entry + /* r6 has the value to be written to table entry */ + add r6, r6, r4 + /* Getting the address of table entry to modify */ + lsr r4, #18 + /* r2 has the location which needs to be modified */ + add r2, r4 + ldr r4, [r2] + str r6, [r2] /* modify the table entry */ + + mov r7, r6 + mov r5, r2 + mov r6, r4 + /* r5 = original page table address */ + /* r6 = original page table data */ + + mov r0, #0 + mcr p15, 0, r0, c7, c5, 4 @ Flush prefetch buffer + mcr p15, 0, r0, c7, c5, 6 @ Invalidate branch predictor array + mcr p15, 0, r0, c8, c5, 0 @ Invalidate instruction TLB + mcr p15, 0, r0, c8, c6, 0 @ Invalidate data TLB + + /* + * Restore control register. This enables the MMU. + * The caches and prediction are not enabled here, they + * will be enabled after restoring the MMU table entry. + */ + ldmia r3!, {r4} + stmia r3!, {r5} /* save original page table address */ + stmia r3!, {r6} /* save original page table data */ + stmia r3!, {r7} /* save modified page table data */ + + ldr r2, cache_pred_disable_mask + and r4, r2 + mcr p15, 0, r4, c1, c0, 0 + dsb + isb + + ldr r0, =restoremmu_on + bx r0 + +/* + * ============================== + * == Exit point from OFF mode == + * ============================== + */ +restoremmu_on: + + ldmfd sp!, {r0-r12, pc} @ restore regs and return diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index a156d2108df1..3ffdbc92ba82 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -59,6 +59,11 @@ unsigned int __init sh73a0_get_core_count(void) { void __iomem *scu_base = scu_base_addr(); +#ifdef CONFIG_HAVE_ARM_TWD + /* twd_base needs to be initialized before percpu_timer_setup() */ + twd_base = (void __iomem *)0xf0000600; +#endif + return scu_get_core_count(scu_base); } @@ -82,10 +87,6 @@ int __cpuinit sh73a0_boot_secondary(unsigned int cpu) void __init sh73a0_smp_prepare_cpus(void) { -#ifdef CONFIG_HAVE_ARM_TWD - twd_base = (void __iomem *)0xf0000600; -#endif - scu_enable(scu_base_addr()); /* Map the reset vector (in headsmp.S) */ diff --git a/arch/arm/mach-shmobile/suspend.c b/arch/arm/mach-shmobile/suspend.c new file mode 100644 index 000000000000..c1febe13f709 --- /dev/null +++ b/arch/arm/mach-shmobile/suspend.c @@ -0,0 +1,47 @@ +/* + * Suspend-to-RAM support code for SH-Mobile ARM + * + * Copyright (C) 2011 Magnus Damm + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/pm.h> +#include <linux/suspend.h> +#include <linux/module.h> +#include <linux/err.h> +#include <asm/system.h> +#include <asm/io.h> + +static int shmobile_suspend_default_enter(suspend_state_t suspend_state) +{ + cpu_do_idle(); + return 0; +} + +static int shmobile_suspend_begin(suspend_state_t state) +{ + disable_hlt(); + return 0; +} + +static void shmobile_suspend_end(void) +{ + enable_hlt(); +} + +struct platform_suspend_ops shmobile_suspend_ops = { + .begin = shmobile_suspend_begin, + .end = shmobile_suspend_end, + .enter = shmobile_suspend_default_enter, + .valid = suspend_valid_only_mem, +}; + +static int __init shmobile_suspend_init(void) +{ + suspend_set_ops(&shmobile_suspend_ops); + return 0; +} +late_initcall(shmobile_suspend_init); |