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Message-Id: <1426172071-20743-8-git-send-email-alexandre.belloni@free-electrons.com>
Date: Thu, 12 Mar 2015 15:54:29 +0100
From: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Boris Brezillon <boris.brezillon@...e-electrons.com>,
Alexander Stein <alexander.stein@...tec-electronic.com>,
Alexandre Belloni <alexandre.belloni@...e-electrons.com>
Subject: [PATCH v4 7/9] ARM: at91: at91sam9: use SoC detection infrastructure
Use the soc detection infrastructure for at91sam9 initialization.
Signed-off-by: Alexandre Belloni <alexandre.belloni@...e-electrons.com>
---
arch/arm/mach-at91/at91sam9.c | 76 ++++++++++++++++++++++++++++++-------------
arch/arm/mach-at91/soc.h | 28 ++++++++++++++++
2 files changed, 82 insertions(+), 22 deletions(-)
diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c
index 56e3ba73ec40..e47a2093a0e7 100644
--- a/arch/arm/mach-at91/at91sam9.c
+++ b/arch/arm/mach-at91/at91sam9.c
@@ -7,29 +7,68 @@
* Licensed under GPLv2 or later.
*/
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/gpio.h>
#include <linux/of.h>
-#include <linux/of_irq.h>
#include <linux/of_platform.h>
-#include <linux/clk-provider.h>
-#include <asm/system_misc.h>
-#include <asm/setup.h>
-#include <asm/irq.h>
#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
+#include <asm/system_misc.h>
#include "generic.h"
+#include "soc.h"
-static void __init at91sam9_dt_device_init(void)
+static const struct at91_soc at91sam9_socs[] = {
+ AT91_SOC(AT91SAM9260_CIDR_MATCH, 0, "at91sam9260", NULL),
+ AT91_SOC(AT91SAM9261_CIDR_MATCH, 0, "at91sam9261", NULL),
+ AT91_SOC(AT91SAM9263_CIDR_MATCH, 0, "at91sam9263", NULL),
+ AT91_SOC(AT91SAM9G20_CIDR_MATCH, 0, "at91sam9g20", NULL),
+ AT91_SOC(AT91SAM9RL64_CIDR_MATCH, 0, "at91sam9rl64", NULL),
+ AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M11_EXID_MATCH,
+ "at91sam9m11", "at91sam9g45"),
+ AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9M10_EXID_MATCH,
+ "at91sam9m10", "at91sam9g45"),
+ AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G46_EXID_MATCH,
+ "at91sam9g46", "at91sam9g45"),
+ AT91_SOC(AT91SAM9G45_CIDR_MATCH, AT91SAM9G45_EXID_MATCH,
+ "at91sam9g45", "at91sam9g45"),
+ AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G15_EXID_MATCH,
+ "at91sam9g15", "at91sam9x5"),
+ AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G35_EXID_MATCH,
+ "at91sam9g35", "at91sam9x5"),
+ AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X35_EXID_MATCH,
+ "at91sam9x35", "at91sam9x5"),
+ AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9G25_EXID_MATCH,
+ "at91sam9g25", "at91sam9x5"),
+ AT91_SOC(AT91SAM9X5_CIDR_MATCH, AT91SAM9X25_EXID_MATCH,
+ "at91sam9x25", "at91sam9x5"),
+ AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN12_EXID_MATCH,
+ "at91sam9cn12", "at91sam9n12"),
+ AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9N12_EXID_MATCH,
+ "at91sam9n12", "at91sam9n12"),
+ AT91_SOC(AT91SAM9N12_CIDR_MATCH, AT91SAM9CN11_EXID_MATCH,
+ "at91sam9cn11", "at91sam9n12"),
+ AT91_SOC(AT91SAM9XE128_CIDR_MATCH, 0, "at91sam9xe128", "at91sam9xe128"),
+ AT91_SOC(AT91SAM9XE256_CIDR_MATCH, 0, "at91sam9xe256", "at91sam9xe256"),
+ AT91_SOC(AT91SAM9XE512_CIDR_MATCH, 0, "at91sam9xe512", "at91sam9xe512"),
+ { /* sentinel */ },
+};
+
+static void __init at91sam9_common_init(void)
{
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ struct soc_device *soc;
+ struct device *soc_dev = NULL;
+
+ soc = at91_soc_init(at91sam9_socs);
+ if (soc != NULL)
+ soc_dev = soc_device_to_device(soc);
+
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, soc_dev);
arm_pm_idle = at91sam9_idle;
+}
+
+static void __init at91sam9_dt_device_init(void)
+{
+ at91sam9_common_init();
at91sam9260_pm_init();
}
@@ -40,16 +79,13 @@ static const char *at91_dt_board_compat[] __initconst = {
DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9")
/* Maintainer: Atmel */
- .map_io = at91_map_io,
.init_machine = at91sam9_dt_device_init,
.dt_compat = at91_dt_board_compat,
MACHINE_END
static void __init at91sam9g45_dt_device_init(void)
{
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-
- arm_pm_idle = at91sam9_idle;
+ at91sam9_common_init();
at91sam9g45_pm_init();
}
@@ -60,16 +96,13 @@ static const char *at91sam9g45_board_compat[] __initconst = {
DT_MACHINE_START(at91sam9g45_dt, "Atmel AT91SAM9G45")
/* Maintainer: Atmel */
- .map_io = at91_map_io,
.init_machine = at91sam9g45_dt_device_init,
.dt_compat = at91sam9g45_board_compat,
MACHINE_END
static void __init at91sam9x5_dt_device_init(void)
{
- of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
-
- arm_pm_idle = at91sam9_idle;
+ at91sam9_common_init();
at91sam9x5_pm_init();
}
@@ -81,7 +114,6 @@ static const char *at91sam9x5_board_compat[] __initconst = {
DT_MACHINE_START(at91sam9x5_dt, "Atmel AT91SAM9")
/* Maintainer: Atmel */
- .map_io = at91_map_io,
.init_machine = at91sam9x5_dt_device_init,
.dt_compat = at91sam9x5_board_compat,
MACHINE_END
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
index ab5bc4be3d41..2510c211f291 100644
--- a/arch/arm/mach-at91/soc.h
+++ b/arch/arm/mach-at91/soc.h
@@ -34,4 +34,32 @@ at91_soc_init(const struct at91_soc *socs);
#define AT91RM9200_CIDR_MATCH 0x09290780
+#define AT91SAM9260_CIDR_MATCH 0x019803a0
+#define AT91SAM9261_CIDR_MATCH 0x019703a0
+#define AT91SAM9263_CIDR_MATCH 0x019607a0
+#define AT91SAM9G20_CIDR_MATCH 0x019905a0
+#define AT91SAM9RL64_CIDR_MATCH 0x019b03a0
+#define AT91SAM9G45_CIDR_MATCH 0x019b05a0
+#define AT91SAM9X5_CIDR_MATCH 0x019a05a0
+#define AT91SAM9N12_CIDR_MATCH 0x019a07a0
+
+#define AT91SAM9M11_EXID_MATCH 0x00000001
+#define AT91SAM9M10_EXID_MATCH 0x00000002
+#define AT91SAM9G46_EXID_MATCH 0x00000003
+#define AT91SAM9G45_EXID_MATCH 0x00000004
+
+#define AT91SAM9G15_EXID_MATCH 0x00000000
+#define AT91SAM9G35_EXID_MATCH 0x00000001
+#define AT91SAM9X35_EXID_MATCH 0x00000002
+#define AT91SAM9G25_EXID_MATCH 0x00000003
+#define AT91SAM9X25_EXID_MATCH 0x00000004
+
+#define AT91SAM9CN12_EXID_MATCH 0x00000005
+#define AT91SAM9N12_EXID_MATCH 0x00000006
+#define AT91SAM9CN11_EXID_MATCH 0x00000009
+
+#define AT91SAM9XE128_CIDR_MATCH 0x329973a0
+#define AT91SAM9XE256_CIDR_MATCH 0x329a93a0
+#define AT91SAM9XE512_CIDR_MATCH 0x329aa3a0
+
#endif /* __AT91_SOC_H */
--
2.1.0
--
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