diff options
Diffstat (limited to 'arch/arm/mach-msm/io.c')
| -rw-r--r-- | arch/arm/mach-msm/io.c | 110 |
1 files changed, 54 insertions, 56 deletions
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c index d36b6107414..34e09474636 100644 --- a/arch/arm/mach-msm/io.c +++ b/arch/arm/mach-msm/io.c @@ -3,7 +3,7 @@ * MSM7K, QSD io support * * Copyright (C) 2007 Google, Inc. - * Copyright (c) 2008-2010, Code Aurora Forum. All rights reserved. + * Copyright (c) 2008-2011, Code Aurora Forum. All rights reserved. * Author: Brian Swetland <swetland@google.com> * * This software is licensed under the terms of the GNU General Public @@ -18,74 +18,88 @@ */ #include <linux/kernel.h> +#include <linux/bug.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/export.h> #include <mach/hardware.h> #include <asm/page.h> #include <mach/msm_iomap.h> #include <asm/mach/map.h> -#include <mach/board.h> +#include "common.h" -#define MSM_DEVICE(name) { \ +#define MSM_CHIP_DEVICE_TYPE(name, chip, mem_type) { \ .virtual = (unsigned long) MSM_##name##_BASE, \ - .pfn = __phys_to_pfn(MSM_##name##_PHYS), \ - .length = MSM_##name##_SIZE, \ - .type = MT_DEVICE_NONSHARED, \ + .pfn = __phys_to_pfn(chip##_##name##_PHYS), \ + .length = chip##_##name##_SIZE, \ + .type = mem_type, \ } -#if defined(CONFIG_ARCH_MSM7X00A) || defined(CONFIG_ARCH_MSM7X27) \ - || defined(CONFIG_ARCH_MSM7X25) +#define MSM_DEVICE_TYPE(name, mem_type) \ + MSM_CHIP_DEVICE_TYPE(name, MSM, mem_type) +#define MSM_CHIP_DEVICE(name, chip) \ + MSM_CHIP_DEVICE_TYPE(name, chip, MT_DEVICE) +#define MSM_DEVICE(name) MSM_CHIP_DEVICE(name, MSM) + +#if defined(CONFIG_ARCH_MSM7X00A) static struct map_desc msm_io_desc[] __initdata = { - MSM_DEVICE(VIC), - MSM_DEVICE(CSR), - MSM_DEVICE(GPT), - MSM_DEVICE(DMOV), - MSM_DEVICE(GPIO1), - MSM_DEVICE(GPIO2), - MSM_DEVICE(CLK_CTL), -#ifdef CONFIG_MSM_DEBUG_UART - MSM_DEVICE(DEBUG_UART), -#endif -#ifdef CONFIG_ARCH_MSM7X30 - MSM_DEVICE(GCC), -#endif + MSM_DEVICE_TYPE(VIC, MT_DEVICE_NONSHARED), + MSM_CHIP_DEVICE_TYPE(CSR, MSM7X00, MT_DEVICE_NONSHARED), + MSM_DEVICE_TYPE(DMOV, MT_DEVICE_NONSHARED), + MSM_CHIP_DEVICE_TYPE(GPIO1, MSM7X00, MT_DEVICE_NONSHARED), + MSM_CHIP_DEVICE_TYPE(GPIO2, MSM7X00, MT_DEVICE_NONSHARED), + MSM_DEVICE_TYPE(CLK_CTL, MT_DEVICE_NONSHARED), { .virtual = (unsigned long) MSM_SHARED_RAM_BASE, .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), .length = MSM_SHARED_RAM_SIZE, .type = MT_DEVICE, }, +#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ + defined(CONFIG_DEBUG_MSM_UART3) + { + /* Must be last: virtual and pfn filled in by debug_ll_addr() */ + .length = SZ_4K, + .type = MT_DEVICE_NONSHARED, + } +#endif }; void __init msm_map_common_io(void) { + size_t size = ARRAY_SIZE(msm_io_desc); + /* Make sure the peripheral register window is closed, since * we will use PTE flags (TEX[1]=1,B=0,C=1) to determine which * pages are peripheral interface or not. */ asm("mcr p15, 0, %0, c15, c2, 4" : : "r" (0)); - iotable_init(msm_io_desc, ARRAY_SIZE(msm_io_desc)); +#if defined(CONFIG_DEBUG_MSM_UART1) || defined(CONFIG_DEBUG_MSM_UART2) || \ + defined(CONFIG_DEBUG_MSM_UART3) +#ifdef CONFIG_MMU + debug_ll_addr(&msm_io_desc[size - 1].pfn, + &msm_io_desc[size - 1].virtual); +#endif + msm_io_desc[size - 1].pfn = __phys_to_pfn(msm_io_desc[size - 1].pfn); +#endif + iotable_init(msm_io_desc, size); } #endif #ifdef CONFIG_ARCH_QSD8X50 static struct map_desc qsd8x50_io_desc[] __initdata = { MSM_DEVICE(VIC), - MSM_DEVICE(CSR), - MSM_DEVICE(TMR), + MSM_CHIP_DEVICE(CSR, QSD8X50), MSM_DEVICE(DMOV), - MSM_DEVICE(GPIO1), - MSM_DEVICE(GPIO2), + MSM_CHIP_DEVICE(GPIO1, QSD8X50), + MSM_CHIP_DEVICE(GPIO2, QSD8X50), 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, .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), @@ -96,33 +110,18 @@ static struct map_desc qsd8x50_io_desc[] __initdata = { void __init msm_map_qsd8x50_io(void) { + debug_ll_io_init(); iotable_init(qsd8x50_io_desc, ARRAY_SIZE(qsd8x50_io_desc)); } #endif /* CONFIG_ARCH_QSD8X50 */ -#ifdef CONFIG_ARCH_MSM8X60 -static struct map_desc msm8x60_io_desc[] __initdata = { - MSM_DEVICE(QGIC_DIST), - MSM_DEVICE(QGIC_CPU), - MSM_DEVICE(TMR), - MSM_DEVICE(ACC), - MSM_DEVICE(GCC), -}; - -void __init msm_map_msm8x60_io(void) -{ - iotable_init(msm8x60_io_desc, ARRAY_SIZE(msm8x60_io_desc)); -} -#endif /* CONFIG_ARCH_MSM8X60 */ - #ifdef CONFIG_ARCH_MSM7X30 static struct map_desc msm7x30_io_desc[] __initdata = { MSM_DEVICE(VIC), - MSM_DEVICE(CSR), - MSM_DEVICE(TMR), + MSM_CHIP_DEVICE(CSR, MSM7X30), MSM_DEVICE(DMOV), - MSM_DEVICE(GPIO1), - MSM_DEVICE(GPIO2), + MSM_CHIP_DEVICE(GPIO1, MSM7X30), + MSM_CHIP_DEVICE(GPIO2, MSM7X30), MSM_DEVICE(CLK_CTL), MSM_DEVICE(CLK_CTL_SH2), MSM_DEVICE(AD5), @@ -131,9 +130,6 @@ static struct map_desc msm7x30_io_desc[] __initdata = { MSM_DEVICE(SAW), MSM_DEVICE(GCC), MSM_DEVICE(TCSR), -#ifdef CONFIG_MSM_DEBUG_UART - MSM_DEVICE(DEBUG_UART), -#endif { .virtual = (unsigned long) MSM_SHARED_RAM_BASE, .pfn = __phys_to_pfn(MSM_SHARED_RAM_PHYS), @@ -144,22 +140,24 @@ static struct map_desc msm7x30_io_desc[] __initdata = { void __init msm_map_msm7x30_io(void) { + debug_ll_io_init(); iotable_init(msm7x30_io_desc, ARRAY_SIZE(msm7x30_io_desc)); } #endif /* CONFIG_ARCH_MSM7X30 */ -void __iomem * -__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype) +#ifdef CONFIG_ARCH_MSM7X00A +void __iomem *__msm_ioremap_caller(phys_addr_t phys_addr, size_t size, + unsigned int mtype, void *caller) { if (mtype == MT_DEVICE) { /* The peripherals in the 88000000 - D0000000 range - * are only accessable by type MT_DEVICE_NONSHARED. + * are only accessible by type MT_DEVICE_NONSHARED. * Adjust mtype as necessary to make this "just work." */ if ((phys_addr >= 0x88000000) && (phys_addr < 0xD0000000)) mtype = MT_DEVICE_NONSHARED; } - return __arm_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); + return __arm_ioremap_caller(phys_addr, size, mtype, caller); } +#endif |