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-rw-r--r--arch/arm/mach-tegra/Kconfig4
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra114.c4
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra20.c11
-rw-r--r--arch/arm/mach-tegra/cpuidle-tegra30.c9
-rw-r--r--arch/arm/mach-tegra/iomap.h11
-rw-r--r--arch/arm/mach-tegra/irammap.h2
-rw-r--r--arch/arm/mach-tegra/pm.c50
-rw-r--r--arch/arm/mach-tegra/reset-handler.S50
-rw-r--r--arch/arm/mach-tegra/reset.c4
-rw-r--r--arch/arm/mach-tegra/reset.h9
-rw-r--r--arch/arm/mach-tegra/sleep-tegra20.S4
-rw-r--r--arch/arm/mach-tegra/sleep-tegra30.S21
-rw-r--r--arch/arm/mach-tegra/sleep.S14
-rw-r--r--arch/arm/mach-tegra/tegra.c5
14 files changed, 127 insertions, 71 deletions
diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 7f3b83e0d324..3a06ba263e34 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -2,7 +2,7 @@
menuconfig ARCH_TEGRA
bool "NVIDIA Tegra"
depends on ARCH_MULTI_V7
- select ARCH_SUPPORTS_TRUSTED_FOUNDATIONS
+ select ARCH_HAS_RESET_CONTROLLER
select ARM_AMBA
select ARM_GIC
select CLKSRC_MMIO
@@ -10,8 +10,8 @@ menuconfig ARCH_TEGRA
select HAVE_ARM_SCU if SMP
select HAVE_ARM_TWD if SMP
select PINCTRL
+ select PM
select PM_OPP
- select ARCH_HAS_RESET_CONTROLLER
select RESET_CONTROLLER
select SOC_BUS
select ZONE_DMA if ARM_LPAE
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c
index e3fbcfedf845..43c695d83f03 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra114.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra114.c
@@ -21,6 +21,8 @@
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <asm/cpuidle.h>
#include <asm/smp_plat.h>
#include <asm/suspend.h>
@@ -46,7 +48,7 @@ static int tegra114_idle_power_down(struct cpuidle_device *dev,
tegra_set_cpu_in_lp2();
cpu_pm_enter();
- call_firmware_op(prepare_idle);
+ call_firmware_op(prepare_idle, TF_PM_MODE_LP2_NOFLUSH_L2);
/* Do suspend by ourselves if the firmware does not implement it */
if (call_firmware_op(do_idle, 0) == -ENOSYS)
diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c
index 3f24addd7972..6620d61b5ec5 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra20.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c
@@ -61,7 +61,8 @@ static struct cpuidle_driver tegra_idle_driver = {
.exit_latency = 5000,
.target_residency = 10000,
.power_usage = 0,
- .flags = CPUIDLE_FLAG_COUPLED,
+ .flags = CPUIDLE_FLAG_COUPLED |
+ CPUIDLE_FLAG_TIMER_STOP,
.name = "powered-down",
.desc = "CPU power gated",
},
@@ -136,12 +137,8 @@ static bool tegra20_cpu_cluster_power_down(struct cpuidle_device *dev,
if (tegra20_reset_cpu_1() || !tegra_cpu_rail_off_ready())
return false;
- tick_broadcast_enter();
-
tegra_idle_lp2_last();
- tick_broadcast_exit();
-
if (cpu_online(1))
tegra20_wake_cpu1_from_reset();
@@ -153,14 +150,10 @@ static bool tegra20_idle_enter_lp2_cpu_1(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
- tick_broadcast_enter();
-
cpu_suspend(0, tegra20_sleep_cpu_secondary_finish);
tegra20_cpu_clear_resettable();
- tick_broadcast_exit();
-
return true;
}
#else
diff --git a/arch/arm/mach-tegra/cpuidle-tegra30.c b/arch/arm/mach-tegra/cpuidle-tegra30.c
index c1417361e10e..c8fe0447e3a9 100644
--- a/arch/arm/mach-tegra/cpuidle-tegra30.c
+++ b/arch/arm/mach-tegra/cpuidle-tegra30.c
@@ -56,6 +56,7 @@ static struct cpuidle_driver tegra_idle_driver = {
.exit_latency = 2000,
.target_residency = 2200,
.power_usage = 0,
+ .flags = CPUIDLE_FLAG_TIMER_STOP,
.name = "powered-down",
.desc = "CPU power gated",
},
@@ -76,12 +77,8 @@ static bool tegra30_cpu_cluster_power_down(struct cpuidle_device *dev,
return false;
}
- tick_broadcast_enter();
-
tegra_idle_lp2_last();
- tick_broadcast_exit();
-
return true;
}
@@ -90,14 +87,10 @@ static bool tegra30_cpu_core_power_down(struct cpuidle_device *dev,
struct cpuidle_driver *drv,
int index)
{
- tick_broadcast_enter();
-
smp_wmb();
cpu_suspend(0, tegra30_sleep_cpu_secondary_finish);
- tick_broadcast_exit();
-
return true;
}
#else
diff --git a/arch/arm/mach-tegra/iomap.h b/arch/arm/mach-tegra/iomap.h
index 9bc291e76887..ba61db7fe533 100644
--- a/arch/arm/mach-tegra/iomap.h
+++ b/arch/arm/mach-tegra/iomap.h
@@ -20,7 +20,7 @@
#define __MACH_TEGRA_IOMAP_H
#include <asm/pgtable.h>
-#include <asm/sizes.h>
+#include <linux/sizes.h>
#define TEGRA_IRAM_BASE 0x40000000
#define TEGRA_IRAM_SIZE SZ_256K
@@ -79,24 +79,15 @@
#define TEGRA_PMC_BASE 0x7000E400
#define TEGRA_PMC_SIZE SZ_256
-#define TEGRA_MC_BASE 0x7000F000
-#define TEGRA_MC_SIZE SZ_1K
-
#define TEGRA_EMC_BASE 0x7000F400
#define TEGRA_EMC_SIZE SZ_1K
-#define TEGRA114_MC_BASE 0x70019000
-#define TEGRA114_MC_SIZE SZ_4K
-
#define TEGRA_EMC0_BASE 0x7001A000
#define TEGRA_EMC0_SIZE SZ_2K
#define TEGRA_EMC1_BASE 0x7001A800
#define TEGRA_EMC1_SIZE SZ_2K
-#define TEGRA124_MC_BASE 0x70019000
-#define TEGRA124_MC_SIZE SZ_4K
-
#define TEGRA124_EMC_BASE 0x7001B000
#define TEGRA124_EMC_SIZE SZ_2K
diff --git a/arch/arm/mach-tegra/irammap.h b/arch/arm/mach-tegra/irammap.h
index e32e1742c9a1..6a7bb887585e 100644
--- a/arch/arm/mach-tegra/irammap.h
+++ b/arch/arm/mach-tegra/irammap.h
@@ -17,7 +17,7 @@
#ifndef __MACH_TEGRA_IRAMMAP_H
#define __MACH_TEGRA_IRAMMAP_H
-#include <asm/sizes.h>
+#include <linux/sizes.h>
/* The first 1K of IRAM is permanently reserved for the CPU reset handler */
#define TEGRA_IRAM_RESET_HANDLER_OFFSET 0
diff --git a/arch/arm/mach-tegra/pm.c b/arch/arm/mach-tegra/pm.c
index 1ad5719779b0..1b0ade06f204 100644
--- a/arch/arm/mach-tegra/pm.c
+++ b/arch/arm/mach-tegra/pm.c
@@ -27,12 +27,15 @@
#include <linux/spinlock.h>
#include <linux/suspend.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/flowctrl.h>
#include <soc/tegra/fuse.h>
#include <soc/tegra/pm.h>
#include <soc/tegra/pmc.h>
#include <asm/cacheflush.h>
+#include <asm/firmware.h>
#include <asm/idmap.h>
#include <asm/proc-fns.h>
#include <asm/smp_plat.h>
@@ -159,6 +162,28 @@ int tegra_cpu_do_idle(void)
static int tegra_sleep_cpu(unsigned long v2p)
{
+ /*
+ * L2 cache disabling using kernel API only allowed when all
+ * secondary CPU's are offline. Cache have to be disabled with
+ * MMU-on if cache maintenance is done via Trusted Foundations
+ * firmware. Note that CPUIDLE won't ever enter powergate on Tegra30
+ * if any of secondary CPU's is online and this is the LP2-idle
+ * code-path only for Tegra20/30.
+ */
+ if (trusted_foundations_registered())
+ outer_disable();
+
+ /*
+ * Note that besides of setting up CPU reset vector this firmware
+ * call may also do the following, depending on the FW version:
+ * 1) Disable L2. But this doesn't matter since we already
+ * disabled the L2.
+ * 2) Disable D-cache. This need to be taken into account in
+ * particular by the tegra_disable_clean_inv_dcache() which
+ * shall avoid the re-disable.
+ */
+ call_firmware_op(prepare_idle, TF_PM_MODE_LP2);
+
setup_mm_for_reboot();
tegra_sleep_cpu_finish(v2p);
@@ -197,6 +222,14 @@ void tegra_idle_lp2_last(void)
cpu_suspend(PHYS_OFFSET - PAGE_OFFSET, &tegra_sleep_cpu);
+ /*
+ * Resume L2 cache if it wasn't re-enabled early during resume,
+ * which is the case for Tegra30 that has to re-enable the cache
+ * via firmware call. In other cases cache is already enabled and
+ * hence re-enabling is a no-op. This is always a no-op on Tegra114+.
+ */
+ outer_resume();
+
restore_cpu_complex();
cpu_cluster_pm_exit();
}
@@ -215,6 +248,15 @@ enum tegra_suspend_mode tegra_pm_validate_suspend_mode(
static int tegra_sleep_core(unsigned long v2p)
{
+ /*
+ * Cache have to be disabled with MMU-on if cache maintenance is done
+ * via Trusted Foundations firmware. This is a no-op on Tegra114+.
+ */
+ if (trusted_foundations_registered())
+ outer_disable();
+
+ call_firmware_op(prepare_idle, TF_PM_MODE_LP1);
+
setup_mm_for_reboot();
tegra_sleep_core_finish(v2p);
@@ -342,6 +384,14 @@ static int tegra_suspend_enter(suspend_state_t state)
cpu_suspend(PHYS_OFFSET - PAGE_OFFSET, tegra_sleep_func);
+ /*
+ * Resume L2 cache if it wasn't re-enabled early during resume,
+ * which is the case for Tegra30 that has to re-enable the cache
+ * via firmware call. In other cases cache is already enabled and
+ * hence re-enabling is a no-op.
+ */
+ outer_resume();
+
switch (mode) {
case TEGRA_SUSPEND_LP1:
tegra_suspend_exit_lp1();
diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S
index e22ccf87eded..cd94d7c41fc0 100644
--- a/arch/arm/mach-tegra/reset-handler.S
+++ b/arch/arm/mach-tegra/reset-handler.S
@@ -20,6 +20,7 @@
#include <soc/tegra/flowctrl.h>
#include <soc/tegra/fuse.h>
+#include <asm/assembler.h>
#include <asm/asm-offsets.h>
#include <asm/cache.h>
@@ -29,8 +30,6 @@
#define PMC_SCRATCH41 0x140
-#define RESET_DATA(x) ((TEGRA_RESET_##x)*4)
-
#ifdef CONFIG_PM_SLEEP
/*
* tegra_resume
@@ -78,6 +77,7 @@ ENTRY(tegra_resume)
orr r1, r1, #1
str r1, [r0]
#endif
+ bl tegra_resume_trusted_foundations
#ifdef CONFIG_CACHE_L2X0
/* L2 cache resume & re-enable */
@@ -90,6 +90,30 @@ end_ca9_scu_l2_resume:
b cpu_resume
ENDPROC(tegra_resume)
+
+/*
+ * tegra_resume_trusted_foundations
+ *
+ * Trusted Foundations firmware initialization.
+ *
+ * Doesn't return if firmware presents.
+ * Corrupted registers: r1, r2
+ */
+ENTRY(tegra_resume_trusted_foundations)
+ /* Check whether Trusted Foundations firmware presents. */
+ mov32 r2, TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET
+ ldr r1, =__tegra_cpu_reset_handler_data_offset + \
+ RESET_DATA(TF_PRESENT)
+ ldr r1, [r2, r1]
+ cmp r1, #0
+ reteq lr
+
+ .arch_extension sec
+ /* First call after suspend wakes firmware. No arguments required. */
+ smc #0
+
+ b cpu_resume
+ENDPROC(tegra_resume_trusted_foundations)
#endif
.align L1_CACHE_SHIFT
@@ -115,12 +139,19 @@ ENTRY(__tegra_cpu_reset_handler_start)
* must be position-independent.
*/
+ .arm
.align L1_CACHE_SHIFT
ENTRY(__tegra_cpu_reset_handler)
cpsid aif, 0x13 @ SVC mode, interrupts disabled
tegra_get_soc_id TEGRA_APB_MISC_BASE, r6
+
+ adr r12, __tegra_cpu_reset_handler_data
+ ldr r5, [r12, #RESET_DATA(TF_PRESENT)]
+ cmp r5, #0
+ bne after_errata
+
#ifdef CONFIG_ARCH_TEGRA_2x_SOC
t20_check:
cmp r6, #TEGRA20
@@ -155,7 +186,6 @@ after_errata:
and r10, r10, #0x3 @ R10 = CPU number
mov r11, #1
mov r11, r11, lsl r10 @ R11 = CPU mask
- adr r12, __tegra_cpu_reset_handler_data
#ifdef CONFIG_SMP
/* Does the OS know about this CPU? */
@@ -169,10 +199,9 @@ after_errata:
cmp r6, #TEGRA20
bne 1f
/* If not CPU0, don't let CPU0 reset CPU1 now that CPU1 is coming up. */
- mov32 r5, TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET
mov r0, #CPU_NOT_RESETTABLE
cmp r10, #0
- strbne r0, [r5, #__tegra20_cpu1_resettable_status_offset]
+ strbne r0, [r12, #RESET_DATA(RESETTABLE_STATUS)]
1:
#endif
@@ -277,14 +306,13 @@ ENDPROC(__tegra_cpu_reset_handler)
.align L1_CACHE_SHIFT
.type __tegra_cpu_reset_handler_data, %object
.globl __tegra_cpu_reset_handler_data
+ .globl __tegra_cpu_reset_handler_data_offset
+ .equ __tegra_cpu_reset_handler_data_offset, \
+ . - __tegra_cpu_reset_handler_start
__tegra_cpu_reset_handler_data:
- .rept TEGRA_RESET_DATA_SIZE
- .long 0
+ .rept TEGRA_RESET_DATA_SIZE
+ .long 0
.endr
- .globl __tegra20_cpu1_resettable_status_offset
- .equ __tegra20_cpu1_resettable_status_offset, \
- . - __tegra_cpu_reset_handler_start
- .byte 0
.align L1_CACHE_SHIFT
ENTRY(__tegra_cpu_reset_handler_end)
diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c
index dc558892753c..35dc5d419b6f 100644
--- a/arch/arm/mach-tegra/reset.c
+++ b/arch/arm/mach-tegra/reset.c
@@ -19,6 +19,8 @@
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/fuse.h>
#include <asm/cacheflush.h>
@@ -89,6 +91,8 @@ static void __init tegra_cpu_reset_handler_enable(void)
void __init tegra_cpu_reset_handler_init(void)
{
+ __tegra_cpu_reset_handler_data[TEGRA_RESET_TF_PRESENT] =
+ trusted_foundations_registered();
#ifdef CONFIG_SMP
__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_PRESENT] =
diff --git a/arch/arm/mach-tegra/reset.h b/arch/arm/mach-tegra/reset.h
index 9c479c7925b8..db0e6b3097ab 100644
--- a/arch/arm/mach-tegra/reset.h
+++ b/arch/arm/mach-tegra/reset.h
@@ -25,7 +25,11 @@
#define TEGRA_RESET_STARTUP_SECONDARY 3
#define TEGRA_RESET_STARTUP_LP2 4
#define TEGRA_RESET_STARTUP_LP1 5
-#define TEGRA_RESET_DATA_SIZE 6
+#define TEGRA_RESET_RESETTABLE_STATUS 6
+#define TEGRA_RESET_TF_PRESENT 7
+#define TEGRA_RESET_DATA_SIZE 8
+
+#define RESET_DATA(x) ((TEGRA_RESET_##x)*4)
#ifndef __ASSEMBLY__
@@ -49,7 +53,8 @@ void __tegra_cpu_reset_handler_end(void);
(u32)__tegra_cpu_reset_handler_start)))
#define tegra20_cpu1_resettable_status \
(IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \
- (u32)__tegra20_cpu1_resettable_status_offset))
+ ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_RESETTABLE_STATUS] - \
+ (u32)__tegra_cpu_reset_handler_start)))
#endif
#define tegra_cpu_reset_handler_offset \
diff --git a/arch/arm/mach-tegra/sleep-tegra20.S b/arch/arm/mach-tegra/sleep-tegra20.S
index dedeebfccc55..50d51d3465f6 100644
--- a/arch/arm/mach-tegra/sleep-tegra20.S
+++ b/arch/arm/mach-tegra/sleep-tegra20.S
@@ -28,6 +28,7 @@
#include <asm/cache.h>
#include "irammap.h"
+#include "reset.h"
#include "sleep.h"
#define EMC_CFG 0xc
@@ -53,6 +54,9 @@
#define APB_MISC_XM2CFGCPADCTRL2 0x8e4
#define APB_MISC_XM2CFGDPADCTRL2 0x8e8
+#define __tegra20_cpu1_resettable_status_offset \
+ (__tegra_cpu_reset_handler_data_offset + RESET_DATA(RESETTABLE_STATUS))
+
.macro pll_enable, rd, r_car_base, pll_base
ldr \rd, [\r_car_base, #\pll_base]
tst \rd, #(1 << 30)
diff --git a/arch/arm/mach-tegra/sleep-tegra30.S b/arch/arm/mach-tegra/sleep-tegra30.S
index d0b4c486ddbf..7727e005c30e 100644
--- a/arch/arm/mach-tegra/sleep-tegra30.S
+++ b/arch/arm/mach-tegra/sleep-tegra30.S
@@ -44,8 +44,6 @@
#define EMC_XM2VTTGENPADCTRL 0x310
#define EMC_XM2VTTGENPADCTRL2 0x314
-#define MC_EMEM_ARB_CFG 0x90
-
#define PMC_CTRL 0x0
#define PMC_CTRL_SIDE_EFFECT_LP0 (1 << 14) /* enter LP0 when CPU pwr gated */
@@ -420,22 +418,6 @@ _pll_m_c_x_done:
movweq r0, #:lower16:TEGRA124_EMC_BASE
movteq r0, #:upper16:TEGRA124_EMC_BASE
- cmp r10, #TEGRA30
- moveq r2, #0x20
- movweq r4, #:lower16:TEGRA_MC_BASE
- movteq r4, #:upper16:TEGRA_MC_BASE
- cmp r10, #TEGRA114
- moveq r2, #0x34
- movweq r4, #:lower16:TEGRA114_MC_BASE
- movteq r4, #:upper16:TEGRA114_MC_BASE
- cmp r10, #TEGRA124
- moveq r2, #0x20
- movweq r4, #:lower16:TEGRA124_MC_BASE
- movteq r4, #:upper16:TEGRA124_MC_BASE
-
- ldr r1, [r5, r2] @ restore MC_EMEM_ARB_CFG
- str r1, [r4, #MC_EMEM_ARB_CFG]
-
exit_self_refresh:
ldr r1, [r5, #0xC] @ restore EMC_XM2VTTGENPADCTRL
str r1, [r0, #EMC_XM2VTTGENPADCTRL]
@@ -564,7 +546,6 @@ tegra30_sdram_pad_address:
.word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14
.word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18
.word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c
- .word TEGRA_MC_BASE + MC_EMEM_ARB_CFG @0x20
tegra30_sdram_pad_address_end:
tegra114_sdram_pad_address:
@@ -581,7 +562,6 @@ tegra114_sdram_pad_address:
.word TEGRA_EMC1_BASE + EMC_AUTO_CAL_INTERVAL @0x28
.word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL @0x2c
.word TEGRA_EMC1_BASE + EMC_XM2VTTGENPADCTRL2 @0x30
- .word TEGRA114_MC_BASE + MC_EMEM_ARB_CFG @0x34
tegra114_sdram_pad_adress_end:
tegra124_sdram_pad_address:
@@ -593,7 +573,6 @@ tegra124_sdram_pad_address:
.word TEGRA_PMC_BASE + PMC_IO_DPD_STATUS @0x14
.word TEGRA_CLK_RESET_BASE + CLK_RESET_CLK_SOURCE_MSELECT @0x18
.word TEGRA_CLK_RESET_BASE + CLK_RESET_SCLK_BURST @0x1c
- .word TEGRA124_MC_BASE + MC_EMEM_ARB_CFG @0x20
tegra124_sdram_pad_address_end:
tegra30_sdram_pad_size:
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
index 5e3496753df1..1735ded5a812 100644
--- a/arch/arm/mach-tegra/sleep.S
+++ b/arch/arm/mach-tegra/sleep.S
@@ -49,8 +49,9 @@ ENTRY(tegra_disable_clean_inv_dcache)
/* Disable the D-cache */
mrc p15, 0, r2, c1, c0, 0
+ tst r2, #CR_C @ see tegra_sleep_cpu()
bic r2, r2, #CR_C
- mcr p15, 0, r2, c1, c0, 0
+ mcrne p15, 0, r2, c1, c0, 0
isb
/* Flush the D-cache */
@@ -132,10 +133,13 @@ ENTRY(tegra_shut_off_mmu)
#ifdef CONFIG_CACHE_L2X0
/* Disable L2 cache */
check_cpu_part_num 0xc09, r9, r10
- movweq r2, #:lower16:(TEGRA_ARM_PERIF_BASE + 0x3000)
- movteq r2, #:upper16:(TEGRA_ARM_PERIF_BASE + 0x3000)
- moveq r3, #0
- streq r3, [r2, #L2X0_CTRL]
+ retne r0
+
+ mov32 r2, TEGRA_ARM_PERIF_BASE + 0x3000
+ ldr r3, [r2, #L2X0_CTRL]
+ tst r3, #L2X0_CTRL_EN @ see tegra_sleep_cpu()
+ mov r3, #0
+ strne r3, [r2, #L2X0_CTRL]
#endif
ret r0
ENDPROC(tegra_shut_off_mmu)
diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c
index f9587be48235..3e88f67dd521 100644
--- a/arch/arm/mach-tegra/tegra.c
+++ b/arch/arm/mach-tegra/tegra.c
@@ -35,15 +35,17 @@
#include <linux/sys_soc.h>
#include <linux/usb/tegra_usb_phy.h>
+#include <linux/firmware/trusted_foundations.h>
+
#include <soc/tegra/fuse.h>
#include <soc/tegra/pmc.h>
+#include <asm/firmware.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach-types.h>
#include <asm/setup.h>
-#include <asm/trusted_foundations.h>
#include "board.h"
#include "common.h"
@@ -74,6 +76,7 @@ static void __init tegra_init_early(void)
{
of_register_trusted_foundations();
tegra_cpu_reset_handler_init();
+ call_firmware_op(l2x0_init);
}
static void __init tegra_dt_init_irq(void)