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-rw-r--r--arch/arm/mach-imx/Kconfig1
-rw-r--r--arch/arm/mach-imx/clock-imx6q.c74
-rw-r--r--arch/arm/mach-imx/lluart.c2
-rw-r--r--arch/arm/mach-imx/mach-mx21ads.c16
-rw-r--r--arch/arm/mach-imx/mach-mx27_3ds.c108
-rw-r--r--arch/arm/mach-imx/mach-mx31ads.c35
-rw-r--r--arch/arm/mach-imx/mach-mx31moboard.c2
-rw-r--r--arch/arm/mach-imx/mm-imx3.c52
-rw-r--r--arch/arm/mach-imx/mm-imx5.c28
-rw-r--r--arch/arm/mach-imx/pm-imx27.c3
-rw-r--r--arch/arm/mach-imx/pm-imx5.c4
11 files changed, 270 insertions, 55 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 4defb97..f7da872 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -304,6 +304,7 @@ config MACH_MX27_3DS
select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_KEYPAD
select IMX_HAVE_PLATFORM_IMX_UART
+ select IMX_HAVE_PLATFORM_MX2_CAMERA
select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_SPI_IMX
diff --git a/arch/arm/mach-imx/clock-imx6q.c b/arch/arm/mach-imx/clock-imx6q.c
index 2d88f8b..111c328 100644
--- a/arch/arm/mach-imx/clock-imx6q.c
+++ b/arch/arm/mach-imx/clock-imx6q.c
@@ -329,6 +329,12 @@
#define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26)
#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
+#define BP_CCOSR_CKO1_EN 7
+#define BP_CCOSR_CKO1_PODF 4
+#define BM_CCOSR_CKO1_PODF (0x7 << 4)
+#define BP_CCOSR_CKO1_SEL 0
+#define BM_CCOSR_CKO1_SEL (0xf << 0)
+
#define FREQ_480M 480000000
#define FREQ_528M 528000000
#define FREQ_594M 594000000
@@ -393,6 +399,7 @@ static struct clk ipu1_di1_clk;
static struct clk ipu2_di0_clk;
static struct clk ipu2_di1_clk;
static struct clk enfc_clk;
+static struct clk cko1_clk;
static struct clk dummy_clk = {};
static unsigned long external_high_reference;
@@ -938,6 +945,24 @@ static void _clk_disable(struct clk *clk)
writel_relaxed(reg, clk->enable_reg);
}
+static int _clk_enable_1b(struct clk *clk)
+{
+ u32 reg;
+ reg = readl_relaxed(clk->enable_reg);
+ reg |= 0x1 << clk->enable_shift;
+ writel_relaxed(reg, clk->enable_reg);
+
+ return 0;
+}
+
+static void _clk_disable_1b(struct clk *clk)
+{
+ u32 reg;
+ reg = readl_relaxed(clk->enable_reg);
+ reg &= ~(0x1 << clk->enable_shift);
+ writel_relaxed(reg, clk->enable_reg);
+}
+
struct divider {
struct clk *clk;
void __iomem *reg;
@@ -983,6 +1008,7 @@ DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE);
DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE);
DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP);
DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP);
+DEF_CLK_DIV1(cko1_div, &cko1_clk, CCOSR, CKO1);
#define DEF_CLK_DIV2(d, c, r, b) \
static struct divider d = { \
@@ -1038,6 +1064,7 @@ static struct divider *dividers[] = {
&enfc_div,
&spdif_div,
&asrc_serial_div,
+ &cko1_div,
};
static unsigned long ldb_di_clk_get_rate(struct clk *clk)
@@ -1625,6 +1652,32 @@ DEF_IPU_DI_MUX(CSCDR2, 2, 1);
DEF_IPU_MUX(1);
DEF_IPU_MUX(2);
+static struct multiplexer cko1_mux = {
+ .clk = &cko1_clk,
+ .reg = CCOSR,
+ .bp = BP_CCOSR_CKO1_SEL,
+ .bm = BM_CCOSR_CKO1_SEL,
+ .parents = {
+ &pll3_usb_otg,
+ &pll2_bus,
+ &pll1_sys,
+ &pll5_video,
+ &dummy_clk,
+ &axi_clk,
+ &enfc_clk,
+ &ipu1_di0_clk,
+ &ipu1_di1_clk,
+ &ipu2_di0_clk,
+ &ipu2_di1_clk,
+ &ahb_clk,
+ &ipg_clk,
+ &ipg_perclk,
+ &ckil_clk,
+ &pll4_audio,
+ NULL
+ },
+};
+
static struct multiplexer *multiplexers[] = {
&axi_mux,
&periph_mux,
@@ -1667,6 +1720,7 @@ static struct multiplexer *multiplexers[] = {
&ipu2_di1_mux,
&ipu1_mux,
&ipu2_mux,
+ &cko1_mux,
};
static int _clk_set_parent(struct clk *clk, struct clk *parent)
@@ -1690,7 +1744,7 @@ static int _clk_set_parent(struct clk *clk, struct clk *parent)
break;
i++;
}
- if (!m->parents[i])
+ if (!m->parents[i] || m->parents[i] == &dummy_clk)
return -EINVAL;
val = readl_relaxed(m->reg);
@@ -1745,6 +1799,20 @@ DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg);
.secondary = s, \
}
+#define DEF_CLK_1B(name, er, es, p, s) \
+ static struct clk name = { \
+ .enable_reg = er, \
+ .enable_shift = es, \
+ .enable = _clk_enable_1b, \
+ .disable = _clk_disable_1b, \
+ .get_rate = _clk_get_rate, \
+ .set_rate = _clk_set_rate, \
+ .round_rate = _clk_round_rate, \
+ .set_parent = _clk_set_parent, \
+ .parent = p, \
+ .secondary = s, \
+ }
+
DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL);
DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL);
DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL);
@@ -1811,6 +1879,7 @@ DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL);
DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL);
DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL);
DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL);
+DEF_CLK_1B(cko1_clk, CCOSR, BP_CCOSR_CKO1_EN, &pll2_bus, NULL);
static int pcie_clk_enable(struct clk *clk)
{
@@ -1922,6 +1991,7 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk),
_REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk),
_REGISTER_CLOCK(NULL, "sata_clk", sata_clk),
+ _REGISTER_CLOCK(NULL, "cko1_clk", cko1_clk),
};
int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
@@ -2029,6 +2099,8 @@ int __init mx6q_clocks_init(void)
clk_set_rate(&usdhc3_clk, 49500000);
clk_set_rate(&usdhc4_clk, 49500000);
+ clk_set_parent(&cko1_clk, &ahb_clk);
+
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);
diff --git a/arch/arm/mach-imx/lluart.c b/arch/arm/mach-imx/lluart.c
index d4ab6f2..0213f8d 100644
--- a/arch/arm/mach-imx/lluart.c
+++ b/arch/arm/mach-imx/lluart.c
@@ -17,7 +17,7 @@
#include <mach/hardware.h>
static struct map_desc imx_lluart_desc = {
-#ifdef CONFIG_DEBUG_IMX6Q_UART
+#ifdef CONFIG_DEBUG_IMX6Q_UART4
.virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR),
.pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR),
.length = MX6Q_UART4_SIZE,
diff --git a/arch/arm/mach-imx/mach-mx21ads.c b/arch/arm/mach-imx/mach-mx21ads.c
index 8d9f955..e432d4a 100644
--- a/arch/arm/mach-imx/mach-mx21ads.c
+++ b/arch/arm/mach-imx/mach-mx21ads.c
@@ -37,8 +37,8 @@
#define MX21ADS_REG_ADDR(offset) (void __force __iomem *) \
(MX21ADS_MMIO_BASE_ADDR + (offset))
+#define MX21ADS_CS8900A_MMIO_SIZE 0x200000
#define MX21ADS_CS8900A_IRQ IRQ_GPIOE(11)
-#define MX21ADS_CS8900A_IOBASE_REG MX21ADS_REG_ADDR(0x000000)
#define MX21ADS_ST16C255_IOBASE_REG MX21ADS_REG_ADDR(0x200000)
#define MX21ADS_VERSION_REG MX21ADS_REG_ADDR(0x400000)
#define MX21ADS_IO_REG MX21ADS_REG_ADDR(0x800000)
@@ -159,6 +159,18 @@ static struct platform_device mx21ads_nor_mtd_device = {
.resource = &mx21ads_flash_resource,
};
+static const struct resource mx21ads_cs8900_resources[] __initconst = {
+ DEFINE_RES_MEM(MX21_CS1_BASE_ADDR, MX21ADS_CS8900A_MMIO_SIZE),
+ DEFINE_RES_IRQ(MX21ADS_CS8900A_IRQ),
+};
+
+static const struct platform_device_info mx21ads_cs8900_devinfo __initconst = {
+ .name = "cs89x0",
+ .id = 0,
+ .res = mx21ads_cs8900_resources,
+ .num_res = ARRAY_SIZE(mx21ads_cs8900_resources),
+};
+
static const struct imxuart_platform_data uart_pdata_rts __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -292,6 +304,8 @@ static void __init mx21ads_board_init(void)
imx21_add_mxc_nand(&mx21ads_nand_board_info);
platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+ platform_device_register_full(
+ (struct platform_device_info *)&mx21ads_cs8900_devinfo);
}
static void __init mx21ads_timer_init(void)
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index 18f3581..c6d385c 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -31,6 +31,8 @@
#include <linux/regulator/machine.h>
#include <linux/spi/l4f00242t03.h>
+#include <media/soc_camera.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
@@ -52,6 +54,8 @@
#define SD1_CD IMX_GPIO_NR(2, 26)
#define LCD_RESET IMX_GPIO_NR(1, 3)
#define LCD_ENABLE IMX_GPIO_NR(1, 31)
+#define CSI_PWRDWN IMX_GPIO_NR(4, 19)
+#define CSI_RESET IMX_GPIO_NR(3, 6)
static const int mx27pdk_pins[] __initconst = {
/* UART1 */
@@ -141,6 +145,26 @@ static const int mx27pdk_pins[] __initconst = {
PA30_PF_CONTRAST,
LCD_ENABLE | GPIO_GPIO | GPIO_OUT,
LCD_RESET | GPIO_GPIO | GPIO_OUT,
+ /* CSI */
+ PB10_PF_CSI_D0,
+ PB11_PF_CSI_D1,
+ PB12_PF_CSI_D2,
+ PB13_PF_CSI_D3,
+ PB14_PF_CSI_D4,
+ PB15_PF_CSI_MCLK,
+ PB16_PF_CSI_PIXCLK,
+ PB17_PF_CSI_D5,
+ PB18_PF_CSI_D6,
+ PB19_PF_CSI_D7,
+ PB20_PF_CSI_VSYNC,
+ PB21_PF_CSI_HSYNC,
+ CSI_PWRDWN | GPIO_GPIO | GPIO_OUT,
+ CSI_RESET | GPIO_GPIO | GPIO_OUT,
+};
+
+static struct gpio mx27_3ds_camera_gpios[] = {
+ { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" },
+ { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" },
};
static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -242,6 +266,7 @@ static struct regulator_init_data gpo_init = {
static struct regulator_consumer_supply vmmc1_consumers[] = {
REGULATOR_SUPPLY("vcore", "spi0.0"),
+ REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"),
};
static struct regulator_init_data vmmc1_init = {
@@ -270,6 +295,22 @@ static struct regulator_init_data vgen_init = {
.consumer_supplies = vgen_consumers,
};
+static struct regulator_consumer_supply vvib_consumers[] = {
+ REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"),
+};
+
+static struct regulator_init_data vvib_init = {
+ .constraints = {
+ .min_uV = 1300000,
+ .max_uV = 1300000,
+ .apply_uV = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
+ REGULATOR_CHANGE_STATUS,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(vvib_consumers),
+ .consumer_supplies = vvib_consumers,
+};
+
static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
{
.id = MC13783_REG_VMMC1,
@@ -283,6 +324,9 @@ static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = {
}, {
.id = MC13783_REG_GPO3, /* Turn on 3.3V */
.init_data = &gpo_init,
+ }, {
+ .id = MC13783_REG_VVIB, /* Power OV2640 */
+ .init_data = &vvib_init,
},
};
@@ -311,6 +355,51 @@ static const struct spi_imx_master spi2_pdata __initconst = {
.num_chipselect = ARRAY_SIZE(spi2_chipselect),
};
+static int mx27_3ds_camera_power(struct device *dev, int on)
+{
+ /* enable or disable the camera */
+ pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE");
+ gpio_set_value(CSI_PWRDWN, on ? 0 : 1);
+
+ if (!on)
+ goto out;
+
+ /* If enabled, give a reset impulse */
+ gpio_set_value(CSI_RESET, 0);
+ msleep(20);
+ gpio_set_value(CSI_RESET, 1);
+ msleep(100);
+
+out:
+ return 0;
+}
+
+static struct i2c_board_info mx27_3ds_i2c_camera = {
+ I2C_BOARD_INFO("ov2640", 0x30),
+};
+
+static struct regulator_bulk_data mx27_3ds_camera_regs[] = {
+ { .supply = "cmos_vcore" },
+ { .supply = "cmos_2v8" },
+};
+
+static struct soc_camera_link iclink_ov2640 = {
+ .bus_id = 0,
+ .board_info = &mx27_3ds_i2c_camera,
+ .i2c_adapter_id = 0,
+ .power = mx27_3ds_camera_power,
+ .regulators = mx27_3ds_camera_regs,
+ .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs),
+};
+
+static struct platform_device mx27_3ds_ov2640 = {
+ .name = "soc-camera-pdrv",
+ .id = 0,
+ .dev = {
+ .platform_data = &iclink_ov2640,
+ },
+};
+
static struct imx_fb_videomode mx27_3ds_modes[] = {
{ /* 480x640 @ 60 Hz */
.mode = {
@@ -367,12 +456,21 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
},
};
+static struct platform_device *devices[] __initdata = {
+ &mx27_3ds_ov2640,
+};
+
+static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = {
+ .clk = 26000000,
+};
+
static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = {
.bitrate = 100000,
};
static void __init mx27pdk_init(void)
{
+ int ret;
imx27_soc_init();
mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
@@ -404,7 +502,17 @@ static void __init mx27pdk_init(void)
if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data);
+ platform_add_devices(devices, ARRAY_SIZE(devices));
imx27_add_imx_fb(&mx27_3ds_fb_data);
+
+ ret = gpio_request_array(mx27_3ds_camera_gpios,
+ ARRAY_SIZE(mx27_3ds_camera_gpios));
+ if (ret) {
+ pr_err("Failed to request camera gpios");
+ iclink_ov2640.power = NULL;
+ }
+
+ imx27_add_mx2_camera(&mx27_3ds_cam_pdata);
}
static void __init mx27pdk_timer_init(void)
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index 4917aab..4518e54 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -28,7 +28,6 @@
#include <asm/memory.h>
#include <asm/mach/map.h>
#include <mach/common.h>
-#include <mach/board-mx31ads.h>
#include <mach/iomux-mx3.h>
#ifdef CONFIG_MACH_MX31ADS_WM1133_EV1
@@ -39,6 +38,9 @@
#include "devices-imx31.h"
+/* Base address of PBC controller */
+#define PBC_BASE_ADDRESS MX31_CS4_BASE_ADDR_VIRT
+
/* PBC Board interrupt status register */
#define PBC_INTSTATUS 0x000016
@@ -62,6 +64,7 @@
#define PBC_INTMASK_CLEAR_REG (PBC_INTMASK_CLEAR + PBC_BASE_ADDRESS)
#define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_4)
+#define MXC_EXP_IO_BASE MXC_BOARD_IRQ_START
#define MXC_IRQ_TO_EXPIO(irq) ((irq) - MXC_EXP_IO_BASE)
#define EXPIO_INT_XUART_INTA (MXC_EXP_IO_BASE + 10)
@@ -69,6 +72,10 @@
#define MXC_MAX_EXP_IO_LINES 16
+/* CS8900 */
+#define EXPIO_INT_ENET_INT (MXC_EXP_IO_BASE + 8)
+#define CS4_CS8900_MMIO_START 0x20000
+
/*
* The serial port definition structure.
*/
@@ -101,11 +108,29 @@ static struct platform_device serial_device = {
},
};
+static const struct resource mx31ads_cs8900_resources[] __initconst = {
+ DEFINE_RES_MEM(MX31_CS4_BASE_ADDR + CS4_CS8900_MMIO_START, SZ_64K),
+ DEFINE_RES_IRQ(EXPIO_INT_ENET_INT),
+};
+
+static const struct platform_device_info mx31ads_cs8900_devinfo __initconst = {
+ .name = "cs89x0",
+ .id = 0,
+ .res = mx31ads_cs8900_resources,
+ .num_res = ARRAY_SIZE(mx31ads_cs8900_resources),
+};
+
static int __init mxc_init_extuart(void)
{
return platform_device_register(&serial_device);
}
+static void __init mxc_init_ext_ethernet(void)
+{
+ platform_device_register_full(
+ (struct platform_device_info *)&mx31ads_cs8900_devinfo);
+}
+
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
@@ -492,12 +517,15 @@ static void __init mxc_init_audio(void)
mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
}
-/* static mappings */
+/*
+ * Static mappings, starting from the CS4 start address up to the start address
+ * of the CS8900.
+ */
static struct map_desc mx31ads_io_desc[] __initdata = {
{
.virtual = MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
- .length = MX31_CS4_SIZE / 2,
+ .length = CS4_CS8900_MMIO_START,
.type = MT_DEVICE
},
};
@@ -522,6 +550,7 @@ static void __init mx31ads_init(void)
mxc_init_imx_uart();
mxc_init_i2c();
mxc_init_audio();
+ mxc_init_ext_ethernet();
}
static void __init mx31ads_timer_init(void)
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c b/arch/arm/mach-imx/mach-mx31moboard.c
index f225262..96e042d 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -507,7 +507,7 @@ static void mx31moboard_poweroff(void)
struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
if (!IS_ERR(clk))
- clk_enable(clk);
+ clk_prepare_enable(clk);
mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index 31807d2..8404ee7 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -34,31 +34,29 @@ static void imx3_idle(void)
{
unsigned long reg = 0;
- if (!need_resched())
- __asm__ __volatile__(
- /* disable I and D cache */
- "mrc p15, 0, %0, c1, c0, 0\n"
- "bic %0, %0, #0x00001000\n"
- "bic %0, %0, #0x00000004\n"
- "mcr p15, 0, %0, c1, c0, 0\n"
- /* invalidate I cache */
- "mov %0, #0\n"
- "mcr p15, 0, %0, c7, c5, 0\n"
- /* clear and invalidate D cache */
- "mov %0, #0\n"
- "mcr p15, 0, %0, c7, c14, 0\n"
- /* WFI */
- "mov %0, #0\n"
- "mcr p15, 0, %0, c7, c0, 4\n"
- "nop\n" "nop\n" "nop\n" "nop\n"
- "nop\n" "nop\n" "nop\n"
- /* enable I and D cache */
- "mrc p15, 0, %0, c1, c0, 0\n"
- "orr %0, %0, #0x00001000\n"
- "orr %0, %0, #0x00000004\n"
- "mcr p15, 0, %0, c1, c0, 0\n"
- : "=r" (reg));
- local_irq_enable();
+ __asm__ __volatile__(
+ /* disable I and D cache */
+ "mrc p15, 0, %0, c1, c0, 0\n"
+ "bic %0, %0, #0x00001000\n"
+ "bic %0, %0, #0x00000004\n"
+ "mcr p15, 0, %0, c1, c0, 0\n"
+ /* invalidate I cache */
+ "mov %0, #0\n"
+ "mcr p15, 0, %0, c7, c5, 0\n"
+ /* clear and invalidate D cache */
+ "mov %0, #0\n"
+ "mcr p15, 0, %0, c7, c14, 0\n"
+ /* WFI */
+ "mov %0, #0\n"
+ "mcr p15, 0, %0, c7, c0, 4\n"
+ "nop\n" "nop\n" "nop\n" "nop\n"
+ "nop\n" "nop\n" "nop\n"
+ /* enable I and D cache */
+ "mrc p15, 0, %0, c1, c0, 0\n"
+ "orr %0, %0, #0x00001000\n"
+ "orr %0, %0, #0x00000004\n"
+ "mcr p15, 0, %0, c1, c0, 0\n"
+ : "=r" (reg));
}
static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
@@ -134,8 +132,8 @@ void __init imx31_init_early(void)
{
mxc_set_cpu_type(MXC_CPU_MX31);
mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
- pm_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
+ arm_pm_idle = imx3_idle;
}
void __init mx31_init_irq(void)
@@ -197,7 +195,7 @@ void __init imx35_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX35);
mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
- pm_idle = imx3_idle;
+ arm_pm_idle = imx3_idle;
imx_ioremap = imx3_ioremap;
}
diff --git a/arch/arm/mach-imx/mm-imx5.c b/arch/arm/mach-imx/mm-imx5.c
index bc17dfe..49549a7 100644
--- a/arch/arm/mach-imx/mm-imx5.c
+++ b/arch/arm/mach-imx/mm-imx5.c
@@ -26,23 +26,17 @@ static struct clk *gpc_dvfs_clk;
static void imx5_idle(void)
{
- if (!need_resched()) {
- /* gpc clock is needed for SRPG */
- if (gpc_dvfs_clk == NULL) {
- gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
- if (IS_ERR(gpc_dvfs_clk))
- goto err0;
- }
- clk_enable(gpc_dvfs_clk);
- mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
- if (tzic_enable_wake())
- goto err1;
- cpu_do_idle();
-err1:
- clk_disable(gpc_dvfs_clk);
+ /* gpc clock is needed for SRPG */
+ if (gpc_dvfs_clk == NULL) {
+ gpc_dvfs_clk = clk_get(NULL, "gpc_dvfs");
+ if (IS_ERR(gpc_dvfs_clk))
+ return;
}
-err0:
- local_irq_enable();
+ clk_enable(gpc_dvfs_clk);
+ mx5_cpu_lp_set(WAIT_UNCLOCKED_POWER_OFF);
+ if (tzic_enable_wake() != 0)
+ cpu_do_idle();
+ clk_disable(gpc_dvfs_clk);
}
/*
@@ -108,7 +102,7 @@ void __init imx51_init_early(void)
mxc_set_cpu_type(MXC_CPU_MX51);
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG1_BASE_ADDR));
- pm_idle = imx5_idle;
+ arm_pm_idle = imx5_idle;
}
void __init imx53_init_early(void)
diff --git a/arch/arm/mach-imx/pm-imx27.c b/arch/arm/mach-imx/pm-imx27.c
index e455d2f..6fcffa7 100644
--- a/arch/arm/mach-imx/pm-imx27.c
+++ b/arch/arm/mach-imx/pm-imx27.c
@@ -10,7 +10,6 @@
#include <linux/kernel.h>
#include <linux/suspend.h>
#include <linux/io.h>
-#include <mach/system.h>
#include <mach/hardware.h>
static int mx27_suspend_enter(suspend_state_t state)
@@ -23,7 +22,7 @@ static int mx27_suspend_enter(suspend_state_t state)
cscr &= 0xFFFFFFFC;
__raw_writel(cscr, MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR));
/* Executes WFI */
- arch_idle();
+ cpu_do_idle();
break;
default:
diff --git a/arch/arm/mach-imx/pm-imx5.c b/arch/arm/mach-imx/pm-imx5.c
index 6dc0934..e26a9cb 100644
--- a/arch/arm/mach-imx/pm-imx5.c
+++ b/arch/arm/mach-imx/pm-imx5.c
@@ -89,7 +89,7 @@ void mx5_cpu_lp_set(enum mxc_cpu_pwr_mode mode)
static int mx5_suspend_prepare(void)
{
- return clk_enable(gpc_dvfs_clk);
+ return clk_prepare_enable(gpc_dvfs_clk);
}
static int mx5_suspend_enter(suspend_state_t state)
@@ -119,7 +119,7 @@ static int mx5_suspend_enter(suspend_state_t state)
static void mx5_suspend_finish(void)
{
- clk_disable(gpc_dvfs_clk);
+ clk_disable_unprepare(gpc_dvfs_clk);
}
static int mx5_pm_valid(suspend_state_t state)
generated by cgit v0.10.2 at 2024-11-14 08:32:33 (GMT)