Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 195 insertions, 0 deletions

diff --git a/arch/arm/mach-pnx4008/sleep.S b/arch/arm/mach-pnx4008/sleep.S
new file mode 100644
index 00000000..f4eed495
--- /dev/null
+++ b/arch/arm/mach-pnx4008/sleep.S
@@ -0,0 +1,195 @@
+/*
+ * linux/arch/arm/mach-pnx4008/sleep.S
+ *
+ * PNX4008 support for STOP mode and SDRAM self-refresh
+ *
+ * Authors: Dmitry Chigirev, Vitaly Wool <source@mvista.com>
+ *
+ * 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>
+
+#define PWRMAN_VA_BASE IO_ADDRESS(PNX4008_PWRMAN_BASE)
+#define PWR_CTRL_REG_OFFS 0x44
+
+#define SDRAM_CFG_VA_BASE IO_ADDRESS(PNX4008_SDRAM_CFG_BASE)
+#define MPMC_STATUS_REG_OFFS 0x4
+
+		.text
+
+ENTRY(pnx4008_cpu_suspend)
+	@this function should be entered in Direct run mode.
+
+	@ save registers on stack
+	stmfd	sp!, {r0 - r6, lr}
+
+	@ setup Power Manager base address in r4
+	@ and put it's value in r5
+	mov	r4, #(PWRMAN_VA_BASE & 0xff000000)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x00ff0000)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x0000ff00)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x000000ff)
+	ldr	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ setup SDRAM controller base address in r2
+	@ and put it's value in r3
+	mov	r2, #(SDRAM_CFG_VA_BASE & 0xff000000)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x00ff0000)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x0000ff00)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x000000ff)
+	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS] @extra read - HW bug workaround
+
+	@ clear SDRAM self-refresh bit latch
+	and	r5, r5, #(~(1 << 8))
+	@ clear SDRAM self-refresh bit
+	and	r5, r5, #(~(1 << 9))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ do save current bit settings in r1
+	mov	r1, r5
+
+	@ set SDRAM self-refresh bit
+	orr	r5, r5, #(1 << 9)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ set SDRAM self-refresh bit latch
+	orr	r5, r5, #(1 << 8)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ clear SDRAM self-refresh bit latch
+	and	r5, r5, #(~(1 << 8))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ clear SDRAM self-refresh bit
+	and	r5, r5, #(~(1 << 9))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ wait for SDRAM to get into self-refresh mode
+2:	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS]
+	tst	r3, #(1 << 2)
+	beq	2b
+
+	@ to prepare SDRAM to get out of self-refresh mode after wakeup
+	orr	r5, r5, #(1 << 7)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ do enter stop mode
+	orr	r5, r5, #(1 << 0)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+
+	@ sleeping now...
+
+	@ coming out of STOP mode into Direct Run mode
+	@ clear STOP mode and SDRAM self-refresh bits
+	str	r1, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ wait for SDRAM to get out self-refresh mode
+3:	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS]
+	tst	r3, #5
+	bne	3b
+
+	@ restore regs and return
+	ldmfd   sp!, {r0 - r6, pc}
+
+ENTRY(pnx4008_cpu_suspend_sz)
+	.word	. - pnx4008_cpu_suspend
+
+ENTRY(pnx4008_cpu_standby)
+	@ save registers on stack
+	stmfd	sp!, {r0 - r6, lr}
+
+	@ setup Power Manager base address in r4
+	@ and put it's value in r5
+	mov	r4, #(PWRMAN_VA_BASE & 0xff000000)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x00ff0000)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x0000ff00)
+	orr	r4, r4, #(PWRMAN_VA_BASE & 0x000000ff)
+	ldr	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ setup SDRAM controller base address in r2
+	@ and put it's value in r3
+	mov	r2, #(SDRAM_CFG_VA_BASE & 0xff000000)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x00ff0000)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x0000ff00)
+	orr	r2, r2, #(SDRAM_CFG_VA_BASE & 0x000000ff)
+	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS] @extra read - HW bug workaround
+
+	@ clear SDRAM self-refresh bit latch
+	and	r5, r5, #(~(1 << 8))
+	@ clear SDRAM self-refresh bit
+	and	r5, r5, #(~(1 << 9))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ do save current bit settings in r1
+	mov	r1, r5
+
+	@ set SDRAM self-refresh bit
+	orr	r5, r5, #(1 << 9)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ set SDRAM self-refresh bit latch
+	orr	r5, r5, #(1 << 8)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ clear SDRAM self-refresh bit latch
+	and	r5, r5, #(~(1 << 8))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ clear SDRAM self-refresh bit
+	and	r5, r5, #(~(1 << 9))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ wait for SDRAM to get into self-refresh mode
+2:	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS]
+	tst	r3, #(1 << 2)
+	beq	2b
+
+	@ set 'get out of self-refresh mode after wakeup' bit
+	orr	r5, r5, #(1 << 7)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	mcr     p15, 0, r0, c7, c0, 4	@ kinda sleeping now...
+
+	@ set SDRAM self-refresh bit latch
+	orr	r5, r5, #(1 << 8)
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ clear SDRAM self-refresh bit latch
+	and	r5, r5, #(~(1 << 8))
+	str	r5, [r4, #PWR_CTRL_REG_OFFS]
+
+	@ wait for SDRAM to get out self-refresh mode
+3:	ldr	r3, [r2, #MPMC_STATUS_REG_OFFS]
+	tst	r3, #5
+	bne	3b
+
+	@ restore regs and return
+	ldmfd   sp!, {r0 - r6, pc}
+
+ENTRY(pnx4008_cpu_standby_sz)
+	.word	. - pnx4008_cpu_standby
+
+ENTRY(pnx4008_cache_clean_invalidate)
+	stmfd	sp!, {r0 - r6, lr}
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+	mcr	p15, 0, ip, c7, c6, 0		@ invalidate D cache
+#else
+1:	mrc	p15, 0, r15, c7, c14, 3		@ test,clean,invalidate
+	bne     1b
+#endif
+	ldmfd   sp!, {r0 - r6, pc}