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authorNicolas Ferre <nicolas.ferre@atmel.com>2015-01-27 15:51:34 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2015-02-02 11:01:27 +0100
commit6bd3e3f491062f075c689345763b6172d8438007 (patch)
treee880a2f5663f037738940f73d737d6fee8d34fa7
parent2b019a43cc70d35c3af97c8d673b2b4581f98297 (diff)
ARM: at91: move alternative initial mapping to board-dt-sama5.c
For sama5d4, remove an indirection and the remaining need for at91_boot_soc structure. This will allow further cleanup. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
-rw-r--r--arch/arm/mach-at91/board-dt-sama5.c37
-rw-r--r--arch/arm/mach-at91/sama5d4.c33
-rw-r--r--arch/arm/mach-at91/setup.c6
3 files changed, 36 insertions, 40 deletions
diff --git a/arch/arm/mach-at91/board-dt-sama5.c b/arch/arm/mach-at91/board-dt-sama5.c
index 3ffe46c2bd4c..f9a1b0261f72 100644
--- a/arch/arm/mach-at91/board-dt-sama5.c
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -19,6 +19,8 @@
#include <linux/clk-provider.h>
#include <linux/phy.h>
+#include <mach/hardware.h>
+
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -63,6 +65,39 @@ DT_MACHINE_START(sama5_dt, "Atmel SAMA5 (Device Tree)")
.dt_compat = sama5_dt_board_compat,
MACHINE_END
+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 sama5_alt_map_io(void)
+{
+ at91_alt_map_io();
+ iotable_init(at91_io_desc, ARRAY_SIZE(at91_io_desc));
+}
+
static const char *sama5_alt_dt_board_compat[] __initconst = {
"atmel,sama5d4",
NULL
@@ -70,7 +105,7 @@ static const char *sama5_alt_dt_board_compat[] __initconst = {
DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5 (Device Tree)")
/* Maintainer: Atmel */
- .map_io = at91_alt_map_io,
+ .map_io = sama5_alt_map_io,
.init_early = at91_dt_initialize,
.init_machine = sama5_dt_device_init,
.dt_compat = sama5_alt_dt_board_compat,
diff --git a/arch/arm/mach-at91/sama5d4.c b/arch/arm/mach-at91/sama5d4.c
index fa127fb79221..268f2d238f80 100644
--- a/arch/arm/mach-at91/sama5d4.c
+++ b/arch/arm/mach-at91/sama5d4.c
@@ -25,39 +25,6 @@
/* --------------------------------------------------------------------
* 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_SOC_START(sama5d4)
- .map_io = sama5d4_map_io,
AT91_SOC_END
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 41abd1708496..af6086b69bb1 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -327,12 +327,6 @@ void __init at91_alt_map_io(void)
if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
pr_info("AT91: Detected soc subtype: %s\n",
at91_get_soc_subtype(&at91_soc_initdata));
-
- if (!at91_soc_is_enabled())
- panic("AT91: Soc not enabled");
-
- if (at91_boot_soc.map_io)
- at91_boot_soc.map_io();
}
void __iomem *at91_matrix_base;