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Commit 3042102a authored by Brian Swetland's avatar Brian Swetland Committed by Russell King
Browse files

[ARM] msm: core platform support for ARCH_MSM7X00A 



- core header files for arch-msm
- Kconfig and Makefiles to enable ARCH_MSM7X00A builds
- MSM7X00A specific arch_idle
- peripheral iomap and irq number definitions

Signed-off-by: default avatarBrian Swetland <swetland@google.com>
parent 9b73e76f

arch/arm/Kconfig

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@@ -409,6 +409,17 @@ config ARCH_OMAP 
	help

	  Support for TI's OMAP platform (OMAP1 and OMAP2).



config ARCH_MSM7X00A

	bool "Qualcomm MSM7X00A"

	select GENERIC_TIME

	select GENERIC_CLOCKEVENTS

	help

	  Support for Qualcomm MSM7X00A based systems.  This runs on the ARM11

	  apps processor of the MSM7X00A and depends on a shared memory

	  interface to the ARM9 modem processor which runs the baseband stack

	  and controls some vital subsystems (clock and power control, etc).

	  <http://www.cdmatech.com/products/msm7200_chipset_solution.jsp>



endchoice



source "arch/arm/mach-clps711x/Kconfig"

arch/arm/Makefile

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@@ -139,6 +139,7 @@ endif 
 machine-$(CONFIG_ARCH_KS8695)     := ks8695

  incdir-$(CONFIG_ARCH_MXC)	   := mxc

 machine-$(CONFIG_ARCH_MX3)	   := mx3

 machine-$(CONFIG_ARCH_MSM7X00A)   := msm



ifeq ($(CONFIG_ARCH_EBSA110),y)

# This is what happens if you forget the IOCS16 line.

arch/arm/mach-msm/Makefile

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obj-y += io.o idle.o

arch/arm/mach-msm/Makefile.boot

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  zreladdr-y		:= 0x10008000

params_phys-y		:= 0x10000100

initrd_phys-y		:= 0x10800000

arch/arm/mach-msm/idle.S

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/* linux/include/asm-arm/arch-msm/idle.S

 *

 * Idle processing for MSM7K - work around bugs with SWFI.

 *

 * Copyright (c) 2007 QUALCOMM Incorporated.

 * Copyright (C) 2007 Google, Inc. 

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * 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.

 *

 */ 

		

#include <linux/linkage.h>

#include <asm/assembler.h>



ENTRY(arch_idle)

#ifdef CONFIG_MSM7X00A_IDLE

	mrc     p15, 0, r1, c1, c0, 0    /* read current CR    */

	bic     r0, r1, #(1 << 2)        /* clear dcache bit   */

	bic     r0, r0, #(1 << 12)       /* clear icache bit   */

	mcr     p15, 0, r0, c1, c0, 0    /* disable d/i cache  */



	mov     r0, #0                   /* prepare wfi value  */

	mcr     p15, 0, r0, c7, c10, 0   /* flush the cache    */

	mcr     p15, 0, r0, c7, c10, 4   /* memory barrier     */

	mcr     p15, 0, r0, c7, c0, 4    /* wait for interrupt */



	mcr     p15, 0, r1, c1, c0, 0    /* restore d/i cache  */

#endif

	mov     pc, lr