diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/boot/dts/tegra-harmony.dts | 1 | ||||
-rw-r--r-- | arch/arm/boot/dts/tegra-seaboard.dts | 4 | ||||
-rw-r--r-- | arch/arm/mach-mx5/pm-imx5.c | 15 | ||||
-rw-r--r-- | arch/arm/mach-ux500/cpu.c | 25 |
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); |