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-rw-r--r--arch/arm/mach-tegra/pm.h2
-rw-r--r--arch/arm/mach-tegra/reset-handler.S11
-rw-r--r--arch/arm/mach-tegra/sleep.h31
-rw-r--r--arch/arm/mach-tegra/tegra.c32
4 files changed, 6 insertions, 70 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 a4edbb3abd3d..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, #L2X0_TAG_LATENCY_CTRL]
- ldr \tmp3, [\tmp1, #L2X0_R_DATA_LATENCY]
- str \tmp3, [\tmp2, #L2X0_DATA_LATENCY_CTRL]
- ldr \tmp3, [\tmp1, #L2X0_R_PREFETCH_CTRL]
- str \tmp3, [\tmp2, #L2X0_PREFETCH_CTRL]
- ldr \tmp3, [\tmp1, #L2X0_R_PWR_CTRL]
- str \tmp3, [\tmp2, #L2X0_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 6191603379e1..15ac9fcc96b1 100644
--- a/arch/arm/mach-tegra/tegra.c
+++ b/arch/arm/mach-tegra/tegra.c
@@ -70,40 +70,12 @@ u32 tegra_uart_config[3] = {
0,
};
-static void __init tegra_init_cache(void)
-{
-#ifdef CONFIG_CACHE_L2X0
- static const struct of_device_id pl310_ids[] __initconst = {
- { .compatible = "arm,pl310-cache", },
- {}
- };
-
- struct device_node *np;
- int ret;
- void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000;
- u32 aux_ctrl, cache_type;
-
- np = of_find_matching_node(NULL, pl310_ids);
- if (!np)
- return;
-
- cache_type = readl(p + L2X0_CACHE_TYPE);
- aux_ctrl = (cache_type & 0x700) << (17-8);
- aux_ctrl |= 0x7C400001;
-
- ret = l2x0_of_init(aux_ctrl, 0x8200c3fe);
- if (!ret)
- l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs);
-#endif
-}
-
static void __init tegra_init_early(void)
{
of_register_trusted_foundations();
tegra_apb_io_init();
tegra_init_fuse();
tegra_cpu_reset_handler_init();
- tegra_init_cache();
tegra_powergate_init();
tegra_hotplug_init();
}
@@ -191,8 +163,10 @@ static const char * const tegra_dt_board_compat[] = {
};
DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)")
- .map_io = tegra_map_common_io,
+ .l2c_aux_val = 0x3c400001,
+ .l2c_aux_mask = 0xc20fc3fe,
.smp = smp_ops(tegra_smp_ops),
+ .map_io = tegra_map_common_io,
.init_early = tegra_init_early,
.init_irq = tegra_dt_init_irq,
.init_machine = tegra_dt_init,