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authorSascha Hauer <s.hauer@pengutronix.de>2010-03-18 16:56:30 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2010-03-19 11:05:40 +0100
commit3d1bc8626c7b17facfcb7fb5dee4686f47a1e75d (patch)
treeae6732273dfd063bca549c5bfd8e855c2d886896 /arch
parent1b6a2b2d0ff2ced5fe608e0b2e13ccd2b7a283e5 (diff)
i.MX51: map TZIC dynamically
This looks cleaner and allows us to call mx51_revision later when we can use ioremap to determine the silicon revision dynamically. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-mx5/mm.c27
-rw-r--r--arch/arm/plat-mxc/include/mach/mx51.h11
2 files changed, 16 insertions, 22 deletions
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index c21e18be7af..9fe7beb32da 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -35,11 +35,6 @@ static struct map_desc mxc_io_desc[] __initdata = {
.length = MX51_DEBUG_SIZE,
.type = MT_DEVICE
}, {
- .virtual = MX51_TZIC_BASE_ADDR_VIRT,
- .pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
- .length = MX51_TZIC_SIZE,
- .type = MT_DEVICE
- }, {
.virtual = MX51_AIPS1_BASE_ADDR_VIRT,
.pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
.length = MX51_AIPS1_SIZE,
@@ -69,14 +64,6 @@ static struct map_desc mxc_io_desc[] __initdata = {
*/
void __init mx51_map_io(void)
{
- u32 tzic_addr;
-
- if (mx51_revision() < MX51_CHIP_REV_2_0)
- tzic_addr = 0x8FFFC000;
- else
- tzic_addr = 0xE0003000;
- mxc_io_desc[2].pfn = __phys_to_pfn(tzic_addr);
-
mxc_set_cpu_type(MXC_CPU_MX51);
mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
@@ -85,5 +72,17 @@ void __init mx51_map_io(void)
void __init mx51_init_irq(void)
{
- tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
+ unsigned long tzic_addr;
+ void __iomem *tzic_virt;
+
+ if (mx51_revision() < MX51_CHIP_REV_2_0)
+ tzic_addr = MX51_TZIC_BASE_ADDR_TO1;
+ else
+ tzic_addr = MX51_TZIC_BASE_ADDR;
+
+ tzic_virt = ioremap(tzic_addr, SZ_16K);
+ if (!tzic_virt)
+ panic("unable to map TZIC interrupt controller\n");
+
+ tzic_init_irq(tzic_virt);
}
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
index 771532b6b4a..f1396bd5621 100644
--- a/arch/arm/plat-mxc/include/mach/mx51.h
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -14,7 +14,7 @@
* FB100000 70000000 1M SPBA 0
* FB000000 73F00000 1M AIPS 1
* FB200000 83F00000 1M AIPS 2
- * FA100000 8FFFC000 16K TZIC (interrupt controller)
+ * 8FFFC000 16K TZIC (interrupt controller)
* 90000000 256M CSD0 SDRAM/DDR
* A0000000 256M CSD1 SDRAM/DDR
* B0000000 128M CS0 Flash
@@ -49,9 +49,8 @@
#define MX51_GPU_BASE_ADDR 0x20000000
#define MX51_GPU2D_BASE_ADDR 0xD0000000
-#define MX51_TZIC_BASE_ADDR 0x8FFFC000
-#define MX51_TZIC_BASE_ADDR_VIRT 0xFA100000
-#define MX51_TZIC_SIZE SZ_16K
+#define MX51_TZIC_BASE_ADDR_TO1 0x8FFFC000
+#define MX51_TZIC_BASE_ADDR 0xE0000000
#define MX51_DEBUG_BASE_ADDR 0x60000000
#define MX51_DEBUG_BASE_ADDR_VIRT 0xFA200000
@@ -232,7 +231,6 @@
#define MX51_IO_ADDRESS(x) \
(void __iomem *) \
(MX51_IS_MODULE(x, IRAM) ? MX51_IRAM_IO_ADDRESS(x) : \
- MX51_IS_MODULE(x, TZIC) ? MX51_TZIC_IO_ADDRESS(x) : \
MX51_IS_MODULE(x, DEBUG) ? MX51_DEBUG_IO_ADDRESS(x) : \
MX51_IS_MODULE(x, SPBA0) ? MX51_SPBA0_IO_ADDRESS(x) : \
MX51_IS_MODULE(x, AIPS1) ? MX51_AIPS1_IO_ADDRESS(x) : \
@@ -246,9 +244,6 @@
#define MX51_IRAM_IO_ADDRESS(x) \
(((x) - MX51_IRAM_BASE_ADDR) + MX51_IRAM_BASE_ADDR_VIRT)
-#define MX51_TZIC_IO_ADDRESS(x) \
- (((x) - MX51_TZIC_BASE_ADDR) + MX51_TZIC_BASE_ADDR_VIRT)
-
#define MX51_DEBUG_IO_ADDRESS(x) \
(((x) - MX51_DEBUG_BASE_ADDR) + MX51_DEBUG_BASE_ADDR_VIRT)