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Subject[PATCH 05/24] ARM: imx: use __iomem pointers for MMIO
Date
ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.

This found a bug in mach-armadillo5x0.c, where we attempt mmio
on the MXC_CCM_RCSR address that is currently defined to 0xc
and consequently causes an illegal address access.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Shawn Guo <shawn.guo@linaro.org>

---
arch/arm/mach-imx/mach-armadillo5x0.c | 2 +-
arch/arm/mach-imx/mach-kzm_arm11_01.c | 4 ++--
arch/arm/mach-imx/mach-mx31ads.c | 2 +-
arch/arm/mach-imx/mach-mx31lite.c | 2 +-
arch/arm/plat-mxc/include/mach/mx31.h | 6 +++---
5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/mach-imx/mach-armadillo5x0.c b/arch/arm/mach-imx/mach-armadillo5x0.c
index 2c6ab32..c9a9653 100644
--- a/arch/arm/mach-imx/mach-armadillo5x0.c
+++ b/arch/arm/mach-imx/mach-armadillo5x0.c
@@ -526,7 +526,7 @@ static void __init armadillo5x0_init(void)
imx31_add_mxc_nand(&armadillo5x0_nand_board_info);

/* set NAND page size to 2k if not configured via boot mode pins */
- __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR);
+ /* FIXME __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); */

/* RTC */
/* Get RTC IRQ and register the chip */
diff --git a/arch/arm/mach-imx/mach-kzm_arm11_01.c b/arch/arm/mach-imx/mach-kzm_arm11_01.c
index 5d08533..4b9b7aa 100644
--- a/arch/arm/mach-imx/mach-kzm_arm11_01.c
+++ b/arch/arm/mach-imx/mach-kzm_arm11_01.c
@@ -259,13 +259,13 @@ static void __init kzm_board_init(void)
*/
static struct map_desc kzm_io_desc[] __initdata = {
{
- .virtual = MX31_CS4_BASE_ADDR_VIRT,
+ .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
.length = MX31_CS4_SIZE,
.type = MT_DEVICE
},
{
- .virtual = MX31_CS5_BASE_ADDR_VIRT,
+ .virtual = (unsigned long)MX31_CS5_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
.length = MX31_CS5_SIZE,
.type = MT_DEVICE
diff --git a/arch/arm/mach-imx/mach-mx31ads.c b/arch/arm/mach-imx/mach-mx31ads.c
index d37f480..e774b07 100644
--- a/arch/arm/mach-imx/mach-mx31ads.c
+++ b/arch/arm/mach-imx/mach-mx31ads.c
@@ -540,7 +540,7 @@ static void __init mxc_init_audio(void)
*/
static struct map_desc mx31ads_io_desc[] __initdata = {
{
- .virtual = MX31_CS4_BASE_ADDR_VIRT,
+ .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
.length = CS4_CS8900_MMIO_START,
.type = MT_DEVICE
diff --git a/arch/arm/mach-imx/mach-mx31lite.c b/arch/arm/mach-imx/mach-mx31lite.c
index c8785b3..ef57cff 100644
--- a/arch/arm/mach-imx/mach-mx31lite.c
+++ b/arch/arm/mach-imx/mach-mx31lite.c
@@ -207,7 +207,7 @@ static struct platform_device physmap_flash_device = {
*/
static struct map_desc mx31lite_io_desc[] __initdata = {
{
- .virtual = MX31_CS4_BASE_ADDR_VIRT,
+ .virtual = (unsigned long)MX31_CS4_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
.length = MX31_CS4_SIZE,
.type = MT_DEVICE
diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h
index dbced61..ee9b1f9 100644
--- a/arch/arm/plat-mxc/include/mach/mx31.h
+++ b/arch/arm/plat-mxc/include/mach/mx31.h
@@ -76,7 +76,7 @@
#define MX31_RTIC_BASE_ADDR (MX31_AIPS2_BASE_ADDR + 0xec000)

#define MX31_ROMP_BASE_ADDR 0x60000000
-#define MX31_ROMP_BASE_ADDR_VIRT 0xfc500000
+#define MX31_ROMP_BASE_ADDR_VIRT IOMEM(0xfc500000)
#define MX31_ROMP_SIZE SZ_1M

#define MX31_AVIC_BASE_ADDR 0x68000000
@@ -92,11 +92,11 @@
#define MX31_CS3_BASE_ADDR 0xb2000000

#define MX31_CS4_BASE_ADDR 0xb4000000
-#define MX31_CS4_BASE_ADDR_VIRT 0xf6000000
+#define MX31_CS4_BASE_ADDR_VIRT IOMEM(0xf6000000)
#define MX31_CS4_SIZE SZ_32M

#define MX31_CS5_BASE_ADDR 0xb6000000
-#define MX31_CS5_BASE_ADDR_VIRT 0xf8000000
+#define MX31_CS5_BASE_ADDR_VIRT IOMEM(0xf8000000)
#define MX31_CS5_SIZE SZ_32M

#define MX31_X_MEMC_BASE_ADDR 0xb8000000
--
1.7.10


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