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-rw-r--r--arch/arm/mach-at91/sama5d4.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/sama5d4.c b/arch/arm/mach-at91/sama5d4.c
index f81f11ed8deb..7638509639f4 100644
--- a/arch/arm/mach-at91/sama5d4.c
+++ b/arch/arm/mach-at91/sama5d4.c
@@ -25,9 +25,37 @@
/* --------------------------------------------------------------------
* Processor initialization
* -------------------------------------------------------------------- */
+static struct map_desc at91_io_desc[] __initdata = {
+ {
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_MPDDRC),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_MPDDRC),
+ .length = SZ_512,
+ .type = MT_DEVICE,
+ },
+ {
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_PMC),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_PMC),
+ .length = SZ_512,
+ .type = MT_DEVICE,
+ },
+ { /* On sama5d4, we use USART3 as serial console */
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_USART3),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_USART3),
+ .length = SZ_256,
+ .type = MT_DEVICE,
+ },
+ { /* A bunch of peripheral with fine grained IO space */
+ .virtual = (unsigned long)AT91_ALT_IO_P2V(SAMA5D4_BASE_SYS2),
+ .pfn = __phys_to_pfn(SAMA5D4_BASE_SYS2),
+ .length = SZ_2K,
+ .type = MT_DEVICE,
+ },
+};
+
static void __init sama5d4_map_io(void)
{
+ iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
at91_init_sram(0, SAMA5D4_NS_SRAM_BASE, SAMA5D4_NS_SRAM_SIZE);
}