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Message-ID: <bcb42758c3937810176853e784eb963cb54bbca6.1422381280.git.nicolas.ferre@atmel.com>
Date: Tue, 27 Jan 2015 19:07:22 +0100
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
Boris BREZILLON <boris.brezillon@...e-electrons.com>,
<linux-arm-kernel@...ts.infradead.org>,
Arnd Bergmann <arnd@...db.de>
CC: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
<linux-kernel@...r.kernel.org>,
Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH 3/7] 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@...el.com>
---
arch/arm/mach-at91/board-dt-sama5.c | 37 ++++++++++++++++++++++++++++++++++++-
arch/arm/mach-at91/sama5d4.c | 33 ---------------------------------
arch/arm/mach-at91/setup.c | 6 ------
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 86cffcdef145..7806f58c7e4d 100644
--- a/arch/arm/mach-at91/board-dt-sama5.c
+++ b/arch/arm/mach-at91/board-dt-sama5.c
@@ -18,6 +18,8 @@
#include <linux/phy.h>
#include <linux/clk-provider.h>
+#include <mach/hardware.h>
+
#include <asm/setup.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
@@ -45,6 +47,39 @@ 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
@@ -52,7 +87,7 @@ 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;
--
2.1.3
--
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