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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S b/ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S deleted file mode 100644 index 30cc6721..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-sa1100/sleep.S +++ /dev/null @@ -1,143 +0,0 @@ -/* - * SA11x0 Assembler Sleep/WakeUp Management Routines - * - * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License. - * - * History: - * - * 2001-02-06: Cliff Brake Initial code - * - * 2001-08-29: Nicolas Pitre Simplified. - * - * 2002-05-27: Nicolas Pitre Revisited, more cleanup and simplification. - * Storage is on the stack now. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <mach/hardware.h> - - .text -/* - * sa1100_finish_suspend() - * - * Causes sa11x0 to enter sleep state - * - * Must be aligned to a cacheline. - */ - .balign 32 -ENTRY(sa1100_finish_suspend) - @ disable clock switching - mcr p15, 0, r1, c15, c2, 2 - - ldr r6, =MDREFR - ldr r4, [r6] - orr r4, r4, #MDREFR_K1DB2 - ldr r5, =PPCR - - @ Pre-load __udelay into the I-cache - mov r0, #1 - bl __udelay - mov r0, r0 - - @ The following must all exist in a single cache line to - @ avoid accessing memory until this sequence is complete, - @ otherwise we occasionally hang. - - @ Adjust memory timing before lowering CPU clock - str r4, [r6] - - @ delay 90us and set CPU PLL to lowest speed - @ fixes resume problem on high speed SA1110 - mov r0, #90 - bl __udelay - mov r1, #0 - str r1, [r5] - mov r0, #90 - bl __udelay - - /* - * SA1110 SDRAM controller workaround. register values: - * - * r0 = &MSC0 - * r1 = &MSC1 - * r2 = &MSC2 - * r3 = MSC0 value - * r4 = MSC1 value - * r5 = MSC2 value - * r6 = &MDREFR - * r7 = first MDREFR value - * r8 = second MDREFR value - * r9 = &MDCNFG - * r10 = MDCNFG value - * r11 = third MDREFR value - * r12 = &PMCR - * r13 = PMCR value (1) - */ - - ldr r0, =MSC0 - ldr r1, =MSC1 - ldr r2, =MSC2 - - ldr r3, [r0] - bic r3, r3, #FMsk(MSC_RT) - bic r3, r3, #FMsk(MSC_RT)<<16 - - ldr r4, [r1] - bic r4, r4, #FMsk(MSC_RT) - bic r4, r4, #FMsk(MSC_RT)<<16 - - ldr r5, [r2] - bic r5, r5, #FMsk(MSC_RT) - bic r5, r5, #FMsk(MSC_RT)<<16 - - ldr r7, [r6] - bic r7, r7, #0x0000FF00 - bic r7, r7, #0x000000F0 - orr r8, r7, #MDREFR_SLFRSH - - ldr r9, =MDCNFG - ldr r10, [r9] - bic r10, r10, #(MDCNFG_DE0+MDCNFG_DE1) - bic r10, r10, #(MDCNFG_DE2+MDCNFG_DE3) - - bic r11, r8, #MDREFR_SLFRSH - bic r11, r11, #MDREFR_E1PIN - - ldr r12, =PMCR - - mov r13, #PMCR_SF - - b sa1110_sdram_controller_fix - - .align 5 -sa1110_sdram_controller_fix: - - @ Step 1 clear RT field of all MSCx registers - str r3, [r0] - str r4, [r1] - str r5, [r2] - - @ Step 2 clear DRI field in MDREFR - str r7, [r6] - - @ Step 3 set SLFRSH bit in MDREFR - str r8, [r6] - - @ Step 4 clear DE bis in MDCNFG - str r10, [r9] - - @ Step 5 clear DRAM refresh control register - str r11, [r6] - - @ Wow, now the hardware suspend request pins can be used, that makes them functional for - @ about 7 ns out of the entire time that the CPU is running! - - @ Step 6 set force sleep bit in PMCR - - str r13, [r12] - -20: b 20b @ loop waiting for sleep |