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Commit 478c87a2 authored by Gilad Avidov's avatar Gilad Avidov
Browse files

msm: fsm9900: Add uio access to debug dump area 



Add the uio platform device for user space application to access
the debug dump data in physical memory.

Change-Id: Ide62dee9f32bfac5d265158cd0fbda1246496e4f
Acked-by: default avatarJie Luo <jluo@qti.qualcomm.com>
Signed-off-by: default avatarGilad Avidov <gavidov@codeaurora.org>
parent 13e9574c

arch/arm/mach-msm/board-fsm9900.c

+60 −0
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
#include <linux/of_platform.h>

#include <linux/memory.h>

#include <linux/clk/msm-clk-provider.h>

#include <linux/uio_driver.h>

#include <asm/mach/map.h>

#include <asm/mach/arch.h>

#include <mach/board.h>
@@ -34,12 +35,70 @@ 
#define FSM9900_MAC1_FUSE_PHYS	0xFC4B8448

#define FSM9900_MAC_FUSE_SIZE	0x10



#define FSM9900_QDSP6_0_DEBUG_DUMP_PHYS	0x25200000

#define FSM9900_QDSP6_1_DEBUG_DUMP_PHYS	0x25280000

#define FSM9900_QDSP6_2_DEBUG_DUMP_PHYS	0x25300000

#define FSM9900_QDSP6_3_DEBUG_DUMP_PHYS	0x25380000

#define FSM9900_SCLTE_DEBUG_DUMP_PHYS	0x25180000



#define FSM9900_UIO_VERSION "1.0"



static struct of_dev_auxdata fsm9900_auxdata_lookup[] __initdata = {

	OF_DEV_AUXDATA("qcom,sdhci-msm", 0xF9824900, "msm_sdcc.1", NULL),

	OF_DEV_AUXDATA("qcom,sdhci-msm", 0xF98A4900, "msm_sdcc.2", NULL),

	{}

};



static struct uio_info fsm9900_uio_info[] = {

	{

		.name = "fsm9900-uio",

		.version = FSM9900_UIO_VERSION,

	},

};



static struct resource fsm9900_uio_resources[] = {

	{

		.start = FSM9900_QDSP6_0_DEBUG_DUMP_PHYS,

		.end   = FSM9900_QDSP6_0_DEBUG_DUMP_PHYS + SZ_512K - 1,

		.name  = "qdsp6_0_debug_dump",

		.flags = IORESOURCE_MEM,

	},

	{

		.start = FSM9900_QDSP6_1_DEBUG_DUMP_PHYS,

		.end   = FSM9900_QDSP6_1_DEBUG_DUMP_PHYS + SZ_512K - 1,

		.name  = "qdsp6_1_debug_dump",

		.flags = IORESOURCE_MEM,

	},

	{

		.start = FSM9900_QDSP6_2_DEBUG_DUMP_PHYS,

		.end   = FSM9900_QDSP6_2_DEBUG_DUMP_PHYS + SZ_512K - 1,

		.name  = "qdsp6_2_debug_dump",

		.flags = IORESOURCE_MEM,

	},

	{

		.start = FSM9900_QDSP6_3_DEBUG_DUMP_PHYS,

		.end   = FSM9900_QDSP6_3_DEBUG_DUMP_PHYS + SZ_512K - 1,

		.name  = "qdsp6_3_debug_dump",

		.flags = IORESOURCE_MEM,

	},

	{

		.start = FSM9900_SCLTE_DEBUG_DUMP_PHYS,

		.end   = FSM9900_SCLTE_DEBUG_DUMP_PHYS + SZ_512K - 1,

		.name  = "sclte_debug_dump",

		.flags = IORESOURCE_MEM,

	},

};



static struct platform_device fsm9900_uio_device = {

	.name = "uio_pdrv",

	.id = -1,

	.dev = {

		.platform_data = &fsm9900_uio_info

	},

	.num_resources = 5,

	.resource = fsm9900_uio_resources,

};



static const char mac_addr_prop_name[] = "mac-address";



void __init fsm9900_reserve(void)
@@ -59,6 +118,7 @@ void __init fsm9900_add_drivers(void) 
		msm_clock_init(&fsm9900_dummy_clock_init_data);

	else

		msm_clock_init(&fsm9900_clock_init_data);

	platform_device_register(&fsm9900_uio_device);

}



static void __init fsm9900_map_io(void)