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-rw-r--r--arch/arm/boot/dts/tegra-harmony.dts1
-rw-r--r--arch/arm/boot/dts/tegra-seaboard.dts4
-rw-r--r--arch/arm/mach-mx5/pm-imx5.c15
-rw-r--r--arch/arm/mach-ux500/cpu.c25
4 files changed, 41 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts
index e5818668d09..0e225b86b65 100644
--- a/arch/arm/boot/dts/tegra-harmony.dts
+++ b/arch/arm/boot/dts/tegra-harmony.dts
@@ -66,5 +66,6 @@
cd-gpios = <&gpio 58 0>; /* gpio PH2 */
wp-gpios = <&gpio 59 0>; /* gpio PH3 */
power-gpios = <&gpio 70 0>; /* gpio PI6 */
+ support-8bit;
};
};
diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts
index 64cedca6fc7..a72299b8e66 100644
--- a/arch/arm/boot/dts/tegra-seaboard.dts
+++ b/arch/arm/boot/dts/tegra-seaboard.dts
@@ -25,4 +25,8 @@
wp-gpios = <&gpio 57 0>; /* gpio PH1 */
power-gpios = <&gpio 70 0>; /* gpio PI6 */
};
+
+ sdhci@c8000600 {
+ support-8bit;
+ };
};
diff --git a/arch/arm/mach-mx5/pm-imx5.c b/arch/arm/mach-mx5/pm-imx5.c
index e4529af0da7..be19e9ce839 100644
--- a/arch/arm/mach-mx5/pm-imx5.c
+++ b/arch/arm/mach-mx5/pm-imx5.c
@@ -19,9 +19,13 @@
static struct clk *gpc_dvfs_clk;
+static int mx5_suspend_prepare(void)
+{
+ return clk_enable(gpc_dvfs_clk);
+}
+
static int mx5_suspend_enter(suspend_state_t state)
{
- clk_enable(gpc_dvfs_clk);
switch (state) {
case PM_SUSPEND_MEM:
mx5_cpu_lp_set(STOP_POWER_OFF);
@@ -42,11 +46,14 @@ static int mx5_suspend_enter(suspend_state_t state)
__raw_writel(0, MXC_SRPG_EMPGC1_SRPGCR);
}
cpu_do_idle();
- clk_disable(gpc_dvfs_clk);
-
return 0;
}
+static void mx5_suspend_finish(void)
+{
+ clk_disable(gpc_dvfs_clk);
+}
+
static int mx5_pm_valid(suspend_state_t state)
{
return (state > PM_SUSPEND_ON && state <= PM_SUSPEND_MAX);
@@ -54,7 +61,9 @@ static int mx5_pm_valid(suspend_state_t state)
static const struct platform_suspend_ops mx5_suspend_ops = {
.valid = mx5_pm_valid,
+ .prepare = mx5_suspend_prepare,
.enter = mx5_suspend_enter,
+ .finish = mx5_suspend_finish,
};
static int __init mx5_pm_init(void)
diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index 1da23bb87c1..8aa104a4711 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -99,7 +99,27 @@ static void ux500_l2x0_inv_all(void)
ux500_cache_sync();
}
-static int ux500_l2x0_init(void)
+static int __init ux500_l2x0_unlock(void)
+{
+ int i;
+
+ /*
+ * Unlock Data and Instruction Lock if locked. Ux500 U-Boot versions
+ * apparently locks both caches before jumping to the kernel. The
+ * l2x0 core will not touch the unlock registers if the l2x0 is
+ * already enabled, so we do it right here instead. The PL310 has
+ * 8 sets of registers, one per possible CPU.
+ */
+ for (i = 0; i < 8; i++) {
+ writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_D_BASE +
+ i * L2X0_LOCKDOWN_STRIDE);
+ writel_relaxed(0x0, l2x0_base + L2X0_LOCKDOWN_WAY_I_BASE +
+ i * L2X0_LOCKDOWN_STRIDE);
+ }
+ return 0;
+}
+
+static int __init ux500_l2x0_init(void)
{
if (cpu_is_u5500())
l2x0_base = __io_address(U5500_L2CC_BASE);
@@ -108,6 +128,9 @@ static int ux500_l2x0_init(void)
else
ux500_unknown_soc();
+ /* Unlock before init */
+ ux500_l2x0_unlock();
+
/* 64KB way size, 8 way associativity, force WA */
l2x0_init(l2x0_base, 0x3e060000, 0xc0000fff);