diff options
Diffstat (limited to 'arch/arm/mach-msm/io.c')
| -rw-r--r-- | arch/arm/mach-msm/io.c | 125 |
1 files changed, 121 insertions, 4 deletions
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index 05f96b780aa6..39a99a3a0f6b 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -1,8 +1,9 @@ /* arch/arm/mach-msm/io.c * - * MSM7K io support + * MSM7K, QSD io support * * Copyright (C) 2007 Google, Inc. + * Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved. * Author: Brian Swetland <swetland@google.com> * * This software is licensed under the terms of the GNU General Public @@ -19,6 +20,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/module.h> #include <mach/hardware.h> #include <asm/page.h> @@ -34,10 +36,28 @@ .type = MT_DEVICE_NONSHARED, \ } +/* msm_shared_ram_phys default value of 0x00100000 is the most common value + * and should work as-is for any target without stacked memory. + */ +int msm_shared_ram_phys = 0x00100000; + +static void msm_map_io(struct map_desc *io_desc, int size) +{ + int i; + + BUG_ON(!size); + for (i = 0; i < size; i++) + if (io_desc[i].virtual == (unsigned long)MSM_SHARED_RAM_BASE) + io_desc[i].pfn = __phys_to_pfn(msm_shared_ram_phys); + + iotable_init(io_desc, size); +} + +#if defined(CONFIG_ARCH_MSM7X01A) || defined(CONFIG_ARCH_MSM7X27) static struct map_desc msm_io_desc[] __initdata = { MSM_DEVICE(VIC), MSM_DEVICE(CSR), - MSM_DEVICE(GPT), + MSM_DEVICE(TMR), MSM_DEVICE(DMOV), MSM_DEVICE(GPIO1), MSM_DEVICE(GPIO2), @@ -45,9 +65,16 @@ static struct map_desc msm_io_desc[] __initdata = { #ifdef CONFIG_MSM_DEBUG_UART MSM_DEVICE(DEBUG_UART), #endif +#ifdef CONFIG_CACHE_L2X0 + { + .virtual = (unsigned long) MSM_L2CC_BASE, + .pfn = __phys_to_pfn(MSM_L2CC_PHYS), + .length = MSM_L2CC_SIZE, + .type = MT_DEVICE, + }, +#endif { .virtual = (unsigned long) MSM_SHARED_RAM_BASE, - .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), .length = MSM_SHARED_RAM_SIZE, .type = MT_DEVICE, }, @@ -60,9 +87,98 @@ void __init msm_map_common_io(void) * pages are peripheral interface or not. */ asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0)); + msm_map_io(msm_io_desc, ARRAY_SIZE(msm_io_desc)); +} +#endif + +#ifdef CONFIG_ARCH_QSD8X50 +static struct map_desc qsd8x50_io_desc[] __initdata = { + MSM_DEVICE(VIC), + MSM_DEVICE(CSR), + MSM_DEVICE(TMR), + MSM_DEVICE(DMOV), + MSM_DEVICE(GPIO1), + MSM_DEVICE(GPIO2), + MSM_DEVICE(CLK_CTL), + MSM_DEVICE(SIRC), + MSM_DEVICE(SCPLL), + MSM_DEVICE(AD5), + MSM_DEVICE(MDC), +#ifdef CONFIG_MSM_DEBUG_UART + MSM_DEVICE(DEBUG_UART), +#endif + { + .virtual = (unsigned long) MSM_SHARED_RAM_BASE, + .length = MSM_SHARED_RAM_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init msm_map_qsd8x50_io(void) +{ + msm_map_io(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc)); +} +#endif /* CONFIG_ARCH_QSD8X50 */ + +#ifdef CONFIG_ARCH_MSM7X30 +static struct map_desc msm7x30_io_desc[] __initdata = { + MSM_DEVICE(VIC), + MSM_DEVICE(CSR), + MSM_DEVICE(TMR), + MSM_DEVICE(DMOV), + MSM_DEVICE(GPIO1), + MSM_DEVICE(GPIO2), + MSM_DEVICE(CLK_CTL), + MSM_DEVICE(SIRC), + MSM_DEVICE(SCPLL), + MSM_DEVICE(AD5), + MSM_DEVICE(MDC), + MSM_DEVICE(ACC), + MSM_DEVICE(GCC), +#ifdef CONFIG_MSM_DEBUG_UART + MSM_DEVICE(DEBUG_UART), +#endif + { + .virtual = (unsigned long) MSM_SHARED_RAM_BASE, + .length = MSM_SHARED_RAM_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init msm_map_msm7x30_io(void) +{ + msm_map_io(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc)); +} +#endif /* CONFIG_ARCH_MSM7X30 */ - iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc)); +#ifdef CONFIG_MACH_QSD8X50_COMET +static struct map_desc comet_io_desc[] __initdata = { + MSM_DEVICE(VIC), + MSM_DEVICE(CSR), + MSM_DEVICE(TMR), + MSM_DEVICE(DMOV), + MSM_DEVICE(GPIO1), + MSM_DEVICE(GPIO2), + MSM_DEVICE(CLK_CTL), + MSM_DEVICE(SIRC), + MSM_DEVICE(SCPLL), + MSM_DEVICE(AD5), + MSM_DEVICE(MDC), +#ifdef CONFIG_MSM_DEBUG_UART + MSM_DEVICE(DEBUG_UART), +#endif + { + .virtual = (unsigned long) MSM_SHARED_RAM_BASE, + .length = MSM_SHARED_RAM_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init msm_map_comet_io(void) +{ + msm_map_io(comet_io_desc, ARRAY_SIZE(comet_io_desc)); } +#endif /* CONFIG_MACH_QSD8X50_COMET */ void __iomem * __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) @@ -79,3 +195,4 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) return __arm_ioremap_caller(phys_addr, size, mtype, __builtin_return_address(0)); } +EXPORT_SYMBOL(__msm_ioremap); |