diff options
Diffstat (limited to 'arch/arm/mach-tegra/reset-handler.S')
| -rw-r--r-- | arch/arm/mach-tegra/reset-handler.S | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/arch/arm/mach-tegra/reset-handler.S b/arch/arm/mach-tegra/reset-handler.S index 39dc9e7834f3..f527b2c2dea7 100644 --- a/arch/arm/mach-tegra/reset-handler.S +++ b/arch/arm/mach-tegra/reset-handler.S @@ -40,9 +40,12 @@ * re-enabling sdram. * * r6: SoC ID + * r8: CPU part number */ ENTRY(tegra_resume) - bl v7_invalidate_l1 + check_cpu_part_num 0xc09, r8, r9 + bleq v7_invalidate_l1 + blne tegra_init_l2_for_a15 cpu_id r0 tegra_get_soc_id TEGRA_APB_MISC_BASE, r6 @@ -70,7 +73,8 @@ no_cpu0_chk: str r1, [r2] 1: - check_cpu_part_num 0xc09, r8, r9 + mov32 r9, 0xc09 + cmp r8, r9 bne not_ca9 #ifdef CONFIG_HAVE_ARM_SCU /* enable SCU */ @@ -178,6 +182,19 @@ after_errata: 1: #endif + /* Waking up from LP1? */ + ldr r8, [r12, #RESET_DATA(MASK_LP1)] + tst r8, r11 @ if in_lp1 + beq __is_not_lp1 + cmp r10, #0 + bne __die @ only CPU0 can be here + ldr lr, [r12, #RESET_DATA(STARTUP_LP1)] + cmp lr, #0 + bleq __die @ no LP1 startup handler + THUMB( add lr, lr, #1 ) @ switch to Thumb mode + bx lr +__is_not_lp1: + /* Waking up from LP2? */ ldr r9, [r12, #RESET_DATA(MASK_LP2)] tst r9, r11 @ if in_lp2 |