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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-04-05 14:50:38 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2014-05-30 03:50:12 +0400 |
| commit | b16cee70fdadaa500e0f962ae76877843281192e (patch) | |
| tree | ef6e38f0c98fad4992b3f97637a9b1c2c1b87c24 | |
| parent | f9040550bef6f05e68af029f11c371a318220a05 (diff) | |
| download | linux-b16cee70fdadaa500e0f962ae76877843281192e.tar.xz | |
ARM: l2c: tegra: convert to common l2c310 early resume functionality
Acked-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-tegra/pm.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/reset-handler.S | 11 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/sleep.h | 31 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra.c | 6 |
4 files changed, 4 insertions, 46 deletions
diff --git a/arch/arm/mach-tegra/pm.h b/arch/arm/mach-tegra/pm.h index 6e92a7c2ecbd..f4a89698e5b0 100644 --- a/arch/arm/mach-tegra/pm.h +++ b/arch/arm/mach-tegra/pm.h @@ -35,8 +35,6 @@ void tegra20_sleep_core_init(void); void tegra30_lp1_iram_hook(void); void tegra30_sleep_core_init(void); -extern unsigned long l2x0_saved_regs_addr; - void tegra_clear_cpu_in_lp2(void); bool tegra_set_cpu_in_lp2(void); diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 8c1ba4fea384..578d4d1ad648 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -19,7 +19,6 @@ #include <asm/cache.h> #include <asm/asm-offsets.h> -#include <asm/hardware/cache-l2x0.h> #include "flowctrl.h" #include "fuse.h" @@ -78,8 +77,10 @@ ENTRY(tegra_resume) str r1, [r0] #endif +#ifdef CONFIG_CACHE_L2X0 /* L2 cache resume & re-enable */ - l2_cache_resume r0, r1, r2, l2x0_saved_regs_addr + bl l2c310_early_resume +#endif end_ca9_scu_l2_resume: mov32 r9, 0xc0f cmp r8, r9 @@ -89,12 +90,6 @@ end_ca9_scu_l2_resume: ENDPROC(tegra_resume) #endif -#ifdef CONFIG_CACHE_L2X0 - .globl l2x0_saved_regs_addr -l2x0_saved_regs_addr: - .long 0 -#endif - .align L1_CACHE_SHIFT ENTRY(__tegra_cpu_reset_handler_start) diff --git a/arch/arm/mach-tegra/sleep.h b/arch/arm/mach-tegra/sleep.h index a032820d2fac..339fe42cd6fb 100644 --- a/arch/arm/mach-tegra/sleep.h +++ b/arch/arm/mach-tegra/sleep.h @@ -120,37 +120,6 @@ mov \tmp1, \tmp1, lsr #8 .endm -/* Macro to resume & re-enable L2 cache */ -#ifndef L2X0_CTRL_EN -#define L2X0_CTRL_EN 1 -#endif - -#ifdef CONFIG_CACHE_L2X0 -.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs - W(adr) \tmp1, \phys_l2x0_saved_regs - ldr \tmp1, [\tmp1] - ldr \tmp2, [\tmp1, #L2X0_R_PHY_BASE] - ldr \tmp3, [\tmp2, #L2X0_CTRL] - tst \tmp3, #L2X0_CTRL_EN - bne exit_l2_resume - ldr \tmp3, [\tmp1, #L2X0_R_TAG_LATENCY] - str \tmp3, [\tmp2, #L310_TAG_LATENCY_CTRL] - ldr \tmp3, [\tmp1, #L2X0_R_DATA_LATENCY] - str \tmp3, [\tmp2, #L310_DATA_LATENCY_CTRL] - ldr \tmp3, [\tmp1, #L2X0_R_PREFETCH_CTRL] - str \tmp3, [\tmp2, #L310_PREFETCH_CTRL] - ldr \tmp3, [\tmp1, #L2X0_R_PWR_CTRL] - str \tmp3, [\tmp2, #L310_POWER_CTRL] - ldr \tmp3, [\tmp1, #L2X0_R_AUX_CTRL] - str \tmp3, [\tmp2, #L2X0_AUX_CTRL] - mov \tmp3, #L2X0_CTRL_EN - str \tmp3, [\tmp2, #L2X0_CTRL] -exit_l2_resume: -.endm -#else /* CONFIG_CACHE_L2X0 */ -.macro l2_cache_resume, tmp1, tmp2, tmp3, phys_l2x0_saved_regs -.endm -#endif /* CONFIG_CACHE_L2X0 */ #else void tegra_pen_lock(void); void tegra_pen_unlock(void); diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index fb802e24b647..1bc49f9db015 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -73,11 +73,7 @@ u32 tegra_uart_config[3] = { static void __init tegra_init_cache(void) { #ifdef CONFIG_CACHE_L2X0 - int ret; - - ret = l2x0_of_init(0x3c400001, 0xc20fc3fe); - if (!ret) - l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); + l2x0_of_init(0x3c400001, 0xc20fc3fe); #endif } |