Merge branch 'linus' into test

Conflicts:
	MAINTAINERS
	arch/x86/kernel/acpi/boot.c
	arch/x86/kernel/acpi/sleep.c
	drivers/acpi/Kconfig
	drivers/pnp/Makefile
	drivers/pnp/quirks.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 179 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/sram34xx.S b/arch/arm/mach-omap2/sram34xx.S
new file mode 100644
index 00000000000..2c714613634
--- /dev/null
+++ b/arch/arm/mach-omap2/sram34xx.S
@@ -0,0 +1,179 @@
+/*
+ * linux/arch/arm/mach-omap3/sram.S
+ *
+ * Omap3 specific functions that need to be run in internal SRAM
+ *
+ * (C) Copyright 2007
+ * Texas Instruments Inc.
+ * Rajendra Nayak <rnayak@ti.com>
+ *
+ * (C) Copyright 2004
+ * Texas Instruments, <www.ti.com>
+ * Richard Woodruff <r-woodruff2@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+#include <mach/hardware.h>
+
+#include <mach/io.h>
+
+#include "sdrc.h"
+#include "cm.h"
+
+	.text
+
+/*
+ * Change frequency of core dpll
+ * r0 = sdrc_rfr_ctrl r1 = sdrc_actim_ctrla r2 = sdrc_actim_ctrlb r3 = M2
+ */
+ENTRY(omap3_sram_configure_core_dpll)
+	stmfd	sp!, {r1-r12, lr}	@ store regs to stack
+	cmp	r3, #0x2
+	blne	configure_sdrc
+	cmp	r3, #0x2
+	blne	lock_dll
+	cmp	r3, #0x1
+	blne	unlock_dll
+	bl	sdram_in_selfrefresh	@ put the SDRAM in self refresh
+	bl 	configure_core_dpll
+	bl	enable_sdrc
+	cmp	r3, #0x1
+	blne	wait_dll_unlock
+	cmp	r3, #0x2
+	blne	wait_dll_lock
+	cmp	r3, #0x1
+	blne	configure_sdrc
+	mov 	r0, #0 			@ return value
+	ldmfd	sp!, {r1-r12, pc}	@ restore regs and return
+unlock_dll:
+	ldr	r4, omap3_sdrc_dlla_ctrl
+	ldr	r5, [r4]
+	orr	r5, r5, #0x4
+	str	r5, [r4]
+	bx	lr
+lock_dll:
+	ldr	r4, omap3_sdrc_dlla_ctrl
+	ldr	r5, [r4]
+	bic	r5, r5, #0x4
+	str	r5, [r4]
+	bx	lr
+sdram_in_selfrefresh:
+	mov	r5, #0x0		@ Move 0 to R5
+	mcr	p15, 0, r5, c7, c10, 5	@ memory barrier
+	ldr	r4, omap3_sdrc_power	@ read the SDRC_POWER register
+	ldr	r5, [r4]		@ read the contents of SDRC_POWER
+	orr 	r5, r5, #0x40		@ enable self refresh on idle req
+	str 	r5, [r4]		@ write back to SDRC_POWER register
+	ldr	r4, omap3_cm_iclken1_core	@ read the CM_ICLKEN1_CORE reg
+	ldr	r5, [r4]
+	bic	r5, r5, #0x2		@ disable iclk bit for SRDC
+	str 	r5, [r4]
+wait_sdrc_idle:
+	ldr 	r4, omap3_cm_idlest1_core
+	ldr 	r5, [r4]
+	and 	r5, r5, #0x2		@ check for SDRC idle
+	cmp 	r5, #2
+	bne 	wait_sdrc_idle
+	bx 	lr
+configure_core_dpll:
+	ldr 	r4, omap3_cm_clksel1_pll
+	ldr	r5, [r4]
+	ldr	r6, core_m2_mask_val	@ modify m2 for core dpll
+	and	r5, r5, r6
+	orr	r5, r5, r3, lsl #0x1B	@ r3 contains the M2 val
+	str	r5, [r4]
+	mov 	r5, #0x800		@ wait for the clock to stabilise
+	cmp	r3, #2
+	bne	wait_clk_stable
+	bx	lr
+wait_clk_stable:
+	subs 	r5, r5, #1
+	bne	wait_clk_stable
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	nop
+	bx	lr
+enable_sdrc:
+	ldr 	r4, omap3_cm_iclken1_core
+	ldr	r5, [r4]
+	orr 	r5, r5, #0x2		@ enable iclk bit for SDRC
+	str 	r5, [r4]
+wait_sdrc_idle1:
+	ldr 	r4, omap3_cm_idlest1_core
+	ldr	r5, [r4]
+	and 	r5, r5, #0x2
+	cmp	r5, #0
+	bne	wait_sdrc_idle1
+	ldr	r4, omap3_sdrc_power
+	ldr	r5, [r4]
+	bic 	r5, r5, #0x40
+	str 	r5, [r4]
+	bx	lr
+wait_dll_lock:
+	ldr	r4, omap3_sdrc_dlla_status
+	ldr	r5, [r4]
+	and 	r5, r5, #0x4
+	cmp	r5, #0x4
+	bne	wait_dll_lock
+	bx	lr
+wait_dll_unlock:
+	ldr	r4, omap3_sdrc_dlla_status
+	ldr	r5, [r4]
+	and	r5, r5, #0x4
+	cmp	r5, #0x0
+	bne	wait_dll_unlock
+	bx	lr
+configure_sdrc:
+	ldr	r4, omap3_sdrc_rfr_ctrl
+	str	r0, [r4]
+	ldr	r4, omap3_sdrc_actim_ctrla
+	str	r1, [r4]
+	ldr	r4, omap3_sdrc_actim_ctrlb
+	str	r2, [r4]
+	bx	lr
+
+omap3_sdrc_power:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_POWER)
+omap3_cm_clksel1_pll:
+	.word OMAP34XX_CM_REGADDR(PLL_MOD, CM_CLKSEL1)
+omap3_cm_idlest1_core:
+	.word OMAP34XX_CM_REGADDR(CORE_MOD, CM_IDLEST)
+omap3_cm_iclken1_core:
+	.word OMAP34XX_CM_REGADDR(CORE_MOD, CM_ICLKEN1)
+omap3_sdrc_rfr_ctrl:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_RFR_CTRL_0)
+omap3_sdrc_actim_ctrla:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_A_0)
+omap3_sdrc_actim_ctrlb:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_ACTIM_CTRL_B_0)
+omap3_sdrc_dlla_status:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_STATUS)
+omap3_sdrc_dlla_ctrl:
+	.word OMAP34XX_SDRC_REGADDR(SDRC_DLLA_CTRL)
+core_m2_mask_val:
+	.word 0x07FFFFFF
+
+ENTRY(omap3_sram_configure_core_dpll_sz)
+	.word	. - omap3_sram_configure_core_dpll