diff options
Diffstat (limited to 'arch/arm/mach-omap2/sleep34xx.S')
| -rw-r--r-- | arch/arm/mach-omap2/sleep34xx.S | 114 |
1 files changed, 61 insertions, 53 deletions
diff --git a/arch/arm/mach-omap2/sleep34xx.S b/arch/arm/mach-omap2/sleep34xx.S index 39b93225f9d7..5b978b8401c4 100644 --- a/arch/arm/mach-omap2/sleep34xx.S +++ b/arch/arm/mach-omap2/sleep34xx.S @@ -79,6 +79,7 @@ ENTRY(get_restore_pointer) ldmfd sp!, {pc} @ restore regs and return ENTRY(get_restore_pointer_sz) .word . - get_restore_pointer + .text /* Function call to get the restore pointer for 3630 resume from OFF */ ENTRY(get_omap3630_restore_pointer) @@ -89,9 +90,18 @@ ENTRY(get_omap3630_restore_pointer_sz) .word . - get_omap3630_restore_pointer .text +/* Function call to get the restore pointer for ES3 to resume from OFF */ +ENTRY(get_es3_restore_pointer) + stmfd sp!, {lr} @ save registers on stack + adr r0, restore_es3 + ldmfd sp!, {pc} @ restore regs and return +ENTRY(get_es3_restore_pointer_sz) + .word . - get_es3_restore_pointer + + .text /* * L2 cache needs to be toggled for stable OFF mode functionality on 3630. - * This function sets up a fflag that will allow for this toggling to take + * This function sets up a flag that will allow for this toggling to take * place on 3630. Hopefully some version in the future maynot need this */ ENTRY(enable_omap3630_toggle_l2_on_restore) @@ -101,58 +111,6 @@ ENTRY(enable_omap3630_toggle_l2_on_restore) str r1, l2dis_3630 ldmfd sp!, {pc} @ restore regs and return - .text -/* Function call to get the restore pointer for for ES3 to resume from OFF */ -ENTRY(get_es3_restore_pointer) - stmfd sp!, {lr} @ save registers on stack - adr r0, restore_es3 - ldmfd sp!, {pc} @ restore regs and return -ENTRY(get_es3_restore_pointer_sz) - .word . - get_es3_restore_pointer - -ENTRY(es3_sdrc_fix) - ldr r4, sdrc_syscfg @ get config addr - ldr r5, [r4] @ get value - tst r5, #0x100 @ is part access blocked - it eq - biceq r5, r5, #0x100 @ clear bit if set - str r5, [r4] @ write back change - ldr r4, sdrc_mr_0 @ get config addr - ldr r5, [r4] @ get value - str r5, [r4] @ write back change - ldr r4, sdrc_emr2_0 @ get config addr - ldr r5, [r4] @ get value - str r5, [r4] @ write back change - ldr r4, sdrc_manual_0 @ get config addr - mov r5, #0x2 @ autorefresh command - str r5, [r4] @ kick off refreshes - ldr r4, sdrc_mr_1 @ get config addr - ldr r5, [r4] @ get value - str r5, [r4] @ write back change - ldr r4, sdrc_emr2_1 @ get config addr - ldr r5, [r4] @ get value - str r5, [r4] @ write back change - ldr r4, sdrc_manual_1 @ get config addr - mov r5, #0x2 @ autorefresh command - str r5, [r4] @ kick off refreshes - bx lr -sdrc_syscfg: - .word SDRC_SYSCONFIG_P -sdrc_mr_0: - .word SDRC_MR_0_P -sdrc_emr2_0: - .word SDRC_EMR2_0_P -sdrc_manual_0: - .word SDRC_MANUAL_0_P -sdrc_mr_1: - .word SDRC_MR_1_P -sdrc_emr2_1: - .word SDRC_EMR2_1_P -sdrc_manual_1: - .word SDRC_MANUAL_1_P -ENTRY(es3_sdrc_fix_sz) - .word . - es3_sdrc_fix - /* Function to call rom code to save secure ram context */ ENTRY(save_secure_ram_context) stmfd sp!, {r1-r12, lr} @ save registers on stack @@ -578,6 +536,56 @@ skip_l2_inval: /* restore regs and return */ ldmfd sp!, {r0-r12, pc} + +/* + * Internal functions + */ + + .text +ENTRY(es3_sdrc_fix) + ldr r4, sdrc_syscfg @ get config addr + ldr r5, [r4] @ get value + tst r5, #0x100 @ is part access blocked + it eq + biceq r5, r5, #0x100 @ clear bit if set + str r5, [r4] @ write back change + ldr r4, sdrc_mr_0 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_emr2_0 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_manual_0 @ get config addr + mov r5, #0x2 @ autorefresh command + str r5, [r4] @ kick off refreshes + ldr r4, sdrc_mr_1 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_emr2_1 @ get config addr + ldr r5, [r4] @ get value + str r5, [r4] @ write back change + ldr r4, sdrc_manual_1 @ get config addr + mov r5, #0x2 @ autorefresh command + str r5, [r4] @ kick off refreshes + bx lr + +sdrc_syscfg: + .word SDRC_SYSCONFIG_P +sdrc_mr_0: + .word SDRC_MR_0_P +sdrc_emr2_0: + .word SDRC_EMR2_0_P +sdrc_manual_0: + .word SDRC_MANUAL_0_P +sdrc_mr_1: + .word SDRC_MR_1_P +sdrc_emr2_1: + .word SDRC_EMR2_1_P +sdrc_manual_1: + .word SDRC_MANUAL_1_P +ENTRY(es3_sdrc_fix_sz) + .word . - es3_sdrc_fix + /* Make sure SDRC accesses are ok */ wait_sdrc_ok: |
