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authorNicolas Ferre <nicolas.ferre@atmel.com>2015-07-30 20:12:12 +0300
committerOlof Johansson <olof@lixom.net>2015-08-05 11:40:21 +0300
commitc268a743103aebba8d81d3365107f7170653099e (patch)
tree57222dbf105402261ac9a04cf5fd5a897578d11c /arch/arm/mach-at91
parentf15107f41282d5ae9c6c26832dcc485729821ccc (diff)
downloadlinux-c268a743103aebba8d81d3365107f7170653099e.tar.xz
ARM: at91/soc: add basic support for new sama5d2 SoC
Add Kconfig entries, header file changes and addition to the documentation. The early debug infrastructure is also added for easy development. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/Kconfig12
-rw-r--r--arch/arm/mach-at91/sama5.c3
-rw-r--r--arch/arm/mach-at91/soc.h3
3 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index fd95f34945f4..89a755b90db2 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -8,6 +8,18 @@ menuconfig ARCH_AT91
select SOC_BUS
if ARCH_AT91
+config SOC_SAMA5D2
+ bool "SAMA5D2 family" if ARCH_MULTI_V7
+ select SOC_SAMA5
+ select CACHE_L2X0
+ select HAVE_FB_ATMEL
+ select HAVE_AT91_UTMI
+ select HAVE_AT91_USB_CLK
+ select HAVE_AT91_H32MX
+ select HAVE_AT91_GENERATED_CLK
+ help
+ Select this if ou are using one of Atmel's SAMA5D2 family SoC.
+
config SOC_SAMA5D3
bool "SAMA5D3 family" if ARCH_MULTI_V7
select SOC_SAMA5
diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c
index 41d829d8e7d5..90c3c3051ae7 100644
--- a/arch/arm/mach-at91/sama5.c
+++ b/arch/arm/mach-at91/sama5.c
@@ -18,6 +18,8 @@
#include "soc.h"
static const struct at91_soc sama5_socs[] = {
+ AT91_SOC(SAMA5D2_CIDR_MATCH, SAMA5D27_EXID_MATCH,
+ "sama5d27", "sama5d2"),
AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D31_EXID_MATCH,
"sama5d31", "sama5d3"),
AT91_SOC(SAMA5D3_CIDR_MATCH, SAMA5D33_EXID_MATCH,
@@ -64,6 +66,7 @@ DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
MACHINE_END
static const char *sama5_alt_dt_board_compat[] __initconst = {
+ "atmel,sama5d2",
"atmel,sama5d4",
NULL
};
diff --git a/arch/arm/mach-at91/soc.h b/arch/arm/mach-at91/soc.h
index be23c400596b..8ede0ef86172 100644
--- a/arch/arm/mach-at91/soc.h
+++ b/arch/arm/mach-at91/soc.h
@@ -62,6 +62,9 @@ at91_soc_init(const struct at91_soc *socs);
#define AT91SAM9XE256_CIDR_MATCH 0x329a93a0
#define AT91SAM9XE512_CIDR_MATCH 0x329aa3a0
+#define SAMA5D2_CIDR_MATCH 0x0a5c08c0
+#define SAMA5D27_EXID_MATCH 0x00000021
+
#define SAMA5D3_CIDR_MATCH 0x0a5c07c0
#define SAMA5D31_EXID_MATCH 0x00444300
#define SAMA5D33_EXID_MATCH 0x00414300