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-rw-r--r--ANDROID_3.4.5/arch/arm/mach-pxa/standby.S114
1 files changed, 0 insertions, 114 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-pxa/standby.S b/ANDROID_3.4.5/arch/arm/mach-pxa/standby.S
deleted file mode 100644
index 29f5f5c1..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-pxa/standby.S
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * PXA27x standby mode
- *
- * Author: David Burrage
- *
- * 2005 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/linkage.h>
-#include <asm/assembler.h>
-#include <mach/hardware.h>
-
-#include <mach/pxa2xx-regs.h>
-
- .text
-
-#ifdef CONFIG_PXA27x
-ENTRY(pxa_cpu_standby)
- ldr r0, =PSSR
- mov r1, #(PSSR_PH | PSSR_STS)
- mov r2, #PWRMODE_STANDBY
- mov r3, #UNCACHED_PHYS_0 @ Read mem context in.
- ldr ip, [r3]
- b 1f
-
- .align 5
-1: mcr p14, 0, r2, c7, c0, 0 @ put the system into Standby
- str r1, [r0] @ make sure PSSR_PH/STS are clear
- mov pc, lr
-
-#endif
-
-#ifdef CONFIG_PXA3xx
-
-#define PXA3_MDCNFG 0x0000
-#define PXA3_MDCNFG_DMCEN (1 << 30)
-#define PXA3_DDR_HCAL 0x0060
-#define PXA3_DDR_HCAL_HCRNG 0x1f
-#define PXA3_DDR_HCAL_HCPROG (1 << 28)
-#define PXA3_DDR_HCAL_HCEN (1 << 31)
-#define PXA3_DMCIER 0x0070
-#define PXA3_DMCIER_EDLP (1 << 29)
-#define PXA3_DMCISR 0x0078
-#define PXA3_RCOMP 0x0100
-#define PXA3_RCOMP_SWEVAL (1 << 31)
-
-ENTRY(pm_enter_standby_start)
- mov r1, #0xf6000000 @ DMEMC_REG_BASE (PXA3_MDCNFG)
- add r1, r1, #0x00100000
-
- /*
- * Preload the TLB entry for accessing the dynamic memory
- * controller registers. Note that page table lookups will
- * fail until the dynamic memory controller has been
- * reinitialised - and that includes MMU page table walks.
- * This also means that only the dynamic memory controller
- * can be reliably accessed in the code following standby.
- */
- ldr r2, [r1] @ Dummy read PXA3_MDCNFG
-
- mcr p14, 0, r0, c7, c0, 0
- .rept 8
- nop
- .endr
-
- ldr r0, [r1, #PXA3_DDR_HCAL] @ Clear (and wait for) HCEN
- bic r0, r0, #PXA3_DDR_HCAL_HCEN
- str r0, [r1, #PXA3_DDR_HCAL]
-1: ldr r0, [r1, #PXA3_DDR_HCAL]
- tst r0, #PXA3_DDR_HCAL_HCEN
- bne 1b
-
- ldr r0, [r1, #PXA3_RCOMP] @ Initiate RCOMP
- orr r0, r0, #PXA3_RCOMP_SWEVAL
- str r0, [r1, #PXA3_RCOMP]
-
- mov r0, #~0 @ Clear interrupts
- str r0, [r1, #PXA3_DMCISR]
-
- ldr r0, [r1, #PXA3_DMCIER] @ set DMIER[EDLP]
- orr r0, r0, #PXA3_DMCIER_EDLP
- str r0, [r1, #PXA3_DMCIER]
-
- ldr r0, [r1, #PXA3_DDR_HCAL] @ clear HCRNG, set HCPROG, HCEN
- bic r0, r0, #PXA3_DDR_HCAL_HCRNG
- orr r0, r0, #PXA3_DDR_HCAL_HCEN | PXA3_DDR_HCAL_HCPROG
- str r0, [r1, #PXA3_DDR_HCAL]
-
-1: ldr r0, [r1, #PXA3_DMCISR]
- tst r0, #PXA3_DMCIER_EDLP
- beq 1b
-
- ldr r0, [r1, #PXA3_MDCNFG] @ set PXA3_MDCNFG[DMCEN]
- orr r0, r0, #PXA3_MDCNFG_DMCEN
- str r0, [r1, #PXA3_MDCNFG]
-1: ldr r0, [r1, #PXA3_MDCNFG]
- tst r0, #PXA3_MDCNFG_DMCEN
- beq 1b
-
- ldr r0, [r1, #PXA3_DDR_HCAL] @ set PXA3_DDR_HCAL[HCRNG]
- orr r0, r0, #2 @ HCRNG
- str r0, [r1, #PXA3_DDR_HCAL]
-
- ldr r0, [r1, #PXA3_DMCIER] @ Clear the interrupt
- bic r0, r0, #0x20000000
- str r0, [r1, #PXA3_DMCIER]
-
- mov pc, lr
-ENTRY(pm_enter_standby_end)
-
-#endif