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authorRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 16:00:22 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2012-01-13 16:00:22 +0100
commit4de3a8e101150feaefa1139611a50ff37467f33e (patch)
treedaada742542518b02d7db7c5d32e715eaa5f166d /arch/arm/mach-imx
parentARM: 7275/1: LPAE: Check the CPU support for the long descriptor format (diff)
parentMerge branch 'akpm' (aka "Andrew's patch-bomb, take two") (diff)
downloadlinux-4de3a8e101150feaefa1139611a50ff37467f33e.tar.xz
linux-4de3a8e101150feaefa1139611a50ff37467f33e.zip
Merge branch 'master' into fixes
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/Kconfig2
-rw-r--r--arch/arm/mach-imx/Makefile6
-rw-r--r--arch/arm/mach-imx/Makefile.boot3
-rw-r--r--arch/arm/mach-imx/head-v7.S17
-rw-r--r--arch/arm/mach-imx/mach-apf9328.c10
-rw-r--r--arch/arm/mach-imx/mach-imx6q.c24
-rw-r--r--arch/arm/mach-imx/mach-mx31_3ds.c2
-rw-r--r--arch/arm/mach-imx/pm-imx6q.c2
8 files changed, 58 insertions, 8 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 35a218cb5c7e..0e6de366c648 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -98,6 +98,7 @@ config MACH_SCB9328
config MACH_APF9328
bool "APF9328"
select SOC_IMX1
+ select IMX_HAVE_PLATFORM_IMX_I2C
select IMX_HAVE_PLATFORM_IMX_UART
help
Say Yes here if you are using the Armadeus APF9328 development board
@@ -595,6 +596,7 @@ comment "i.MX6 family:"
config SOC_IMX6Q
bool "i.MX6 Quad support"
+ select ARM_CPU_SUSPEND if PM
select ARM_GIC
select CPU_V7
select HAVE_ARM_SCU
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index d97f409ce98b..f5920c24f7d7 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -70,4 +70,8 @@ AFLAGS_head-v7.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
-obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o pm-imx6q.o
+obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o
+
+ifeq ($(CONFIG_PM),y)
+obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o
+endif
diff --git a/arch/arm/mach-imx/Makefile.boot b/arch/arm/mach-imx/Makefile.boot
index cfede5768aa0..5f4d06af4912 100644
--- a/arch/arm/mach-imx/Makefile.boot
+++ b/arch/arm/mach-imx/Makefile.boot
@@ -25,3 +25,6 @@ initrd_phys-$(CONFIG_SOC_IMX35) := 0x80800000
zreladdr-$(CONFIG_SOC_IMX6Q) += 0x10008000
params_phys-$(CONFIG_SOC_IMX6Q) := 0x10000100
initrd_phys-$(CONFIG_SOC_IMX6Q) := 0x10800000
+
+dtb-$(CONFIG_SOC_IMX6Q) += imx6q-arm2.dtb \
+ imx6q-sabrelite.dtb
diff --git a/arch/arm/mach-imx/head-v7.S b/arch/arm/mach-imx/head-v7.S
index 6229efbc70cb..7e49deb128a4 100644
--- a/arch/arm/mach-imx/head-v7.S
+++ b/arch/arm/mach-imx/head-v7.S
@@ -16,7 +16,6 @@
#include <asm/hardware/cache-l2x0.h>
.section ".text.head", "ax"
- __CPUINIT
/*
* The secondary kernel init calls v7_flush_dcache_all before it enables
@@ -33,6 +32,7 @@
*/
ENTRY(v7_invalidate_l1)
mov r0, #0
+ mcr p15, 0, r0, c7, c5, 0 @ invalidate I cache
mcr p15, 2, r0, c0, c0, 0
mrc p15, 1, r0, c0, c0, 0
@@ -71,6 +71,7 @@ ENTRY(v7_secondary_startup)
ENDPROC(v7_secondary_startup)
#endif
+#ifdef CONFIG_PM
/*
* The following code is located into the .data section. This is to
* allow phys_l2x0_saved_regs to be accessed with a relative load
@@ -79,6 +80,7 @@ ENDPROC(v7_secondary_startup)
.data
.align
+#ifdef CONFIG_CACHE_L2X0
.macro pl310_resume
ldr r2, phys_l2x0_saved_regs
ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0
@@ -88,12 +90,17 @@ ENDPROC(v7_secondary_startup)
str r1, [r0, #L2X0_CTRL] @ re-enable L2
.endm
+ .globl phys_l2x0_saved_regs
+phys_l2x0_saved_regs:
+ .long 0
+#else
+ .macro pl310_resume
+ .endm
+#endif
+
ENTRY(v7_cpu_resume)
bl v7_invalidate_l1
pl310_resume
b cpu_resume
ENDPROC(v7_cpu_resume)
-
- .globl phys_l2x0_saved_regs
-phys_l2x0_saved_regs:
- .long 0
+#endif
diff --git a/arch/arm/mach-imx/mach-apf9328.c b/arch/arm/mach-imx/mach-apf9328.c
index 146a4f073464..f4a63ee9e217 100644
--- a/arch/arm/mach-imx/mach-apf9328.c
+++ b/arch/arm/mach-imx/mach-apf9328.c
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/dm9000.h>
+#include <linux/i2c.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -41,6 +42,9 @@ static const int apf9328_pins[] __initconst = {
PB29_PF_UART2_RTS,
PB30_PF_UART2_TXD,
PB31_PF_UART2_RXD,
+ /* I2C */
+ PA15_PF_I2C_SDA,
+ PA16_PF_I2C_SCL,
};
/*
@@ -103,6 +107,10 @@ static const struct imxuart_platform_data uart1_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
+static const struct imxi2c_platform_data apf9328_i2c_data __initconst = {
+ .bitrate = 100000,
+};
+
static struct platform_device *devices[] __initdata = {
&apf9328_flash_device,
&dm9000x_device,
@@ -119,6 +127,8 @@ static void __init apf9328_init(void)
imx1_add_imx_uart0(NULL);
imx1_add_imx_uart1(&uart1_pdata);
+ imx1_add_imx_i2c(&apf9328_i2c_data);
+
platform_add_devices(devices, ARRAY_SIZE(devices));
}
diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c
index 05b49bb5d677..c25728106917 100644
--- a/arch/arm/mach-imx/mach-imx6q.c
+++ b/arch/arm/mach-imx/mach-imx6q.c
@@ -19,6 +19,8 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
+#include <linux/phy.h>
+#include <linux/micrel_phy.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
@@ -56,8 +58,27 @@ soft:
soft_restart(0);
}
+/* For imx6q sabrelite board: set KSZ9021RN RGMII pad skew */
+static int ksz9021rn_phy_fixup(struct phy_device *phydev)
+{
+ /* min rx data delay */
+ phy_write(phydev, 0x0b, 0x8105);
+ phy_write(phydev, 0x0c, 0x0000);
+
+ /* max rx/tx clock delay, min rx/tx control delay */
+ phy_write(phydev, 0x0b, 0x8104);
+ phy_write(phydev, 0x0c, 0xf0f0);
+ phy_write(phydev, 0x0b, 0x104);
+
+ return 0;
+}
+
static void __init imx6q_init_machine(void)
{
+ if (of_machine_is_compatible("fsl,imx6q-sabrelite"))
+ phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
+ ksz9021rn_phy_fixup);
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
imx6q_pm_init();
@@ -105,7 +126,8 @@ static struct sys_timer imx6q_timer = {
};
static const char *imx6q_dt_compat[] __initdata = {
- "fsl,imx6q-sabreauto",
+ "fsl,imx6q-arm2",
+ "fsl,imx6q-sabrelite",
NULL,
};
diff --git a/arch/arm/mach-imx/mach-mx31_3ds.c b/arch/arm/mach-imx/mach-mx31_3ds.c
index 2b565c381347..89c33258639f 100644
--- a/arch/arm/mach-imx/mach-mx31_3ds.c
+++ b/arch/arm/mach-imx/mach-mx31_3ds.c
@@ -492,7 +492,7 @@ static struct mc13xxx_platform_data mc13783_pdata = {
.regulators = mx31_3ds_regulators,
.num_regulators = ARRAY_SIZE(mx31_3ds_regulators),
},
- .flags = MC13XXX_USE_TOUCHSCREEN,
+ .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC,
};
/* SPI */
diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index f20f191d7cca..f7b0c2b1b905 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -64,7 +64,9 @@ void __init imx6q_pm_init(void)
* address of the data structure used by l2x0 core to save registers,
* and later restore the necessary ones in imx6q resume entry.
*/
+#ifdef CONFIG_CACHE_L2X0
phys_l2x0_saved_regs = __pa(&l2x0_saved_regs);
+#endif
suspend_set_ops(&imx6q_pm_ops);
}