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authorLudovic Desroches <ludovic.desroches@atmel.com>2013-03-22 14:24:12 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2013-03-26 12:18:04 +0100
commit8f4b47949f61eb7f68f458d56a661a7842e67c44 (patch)
treeeebf2f59a252a6dc8dc200e23cd81521d936b386 /arch/arm/mach-at91/setup.c
parentARM: at91: introduce the core type choice to split ARMv4/5 and ARMv7 arch (diff)
downloadlinux-8f4b47949f61eb7f68f458d56a661a7842e67c44.tar.xz
linux-8f4b47949f61eb7f68f458d56a661a7842e67c44.zip
ARM: at91: introduce SAMA5 support
This patch introduces the SAMA5 support and a generic board file for SAMA5 devices. It also updates the PMC driver to manage clock division which is a requirement since some peripherals can't work at the bus frequency on SAMA5. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/setup.c')
-rw-r--r--arch/arm/mach-at91/setup.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 4b678478cf95..2ecd1693c804 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -151,6 +151,11 @@ static void __init soc_detect(u32 dbgu_base)
at91_soc_initdata.type = AT91_SOC_SAM9N12;
at91_boot_soc = at91sam9n12_soc;
break;
+
+ case ARCH_ID_SAMA5D3:
+ at91_soc_initdata.type = AT91_SOC_SAMA5D3;
+ at91_boot_soc = sama5d3_soc;
+ break;
}
/* at91sam9g10 */
@@ -206,6 +211,23 @@ static void __init soc_detect(u32 dbgu_base)
break;
}
}
+
+ if (at91_soc_initdata.type == AT91_SOC_SAMA5D3) {
+ switch (at91_soc_initdata.exid) {
+ case ARCH_EXID_SAMA5D31:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D31;
+ break;
+ case ARCH_EXID_SAMA5D33:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D33;
+ break;
+ case ARCH_EXID_SAMA5D34:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D34;
+ break;
+ case ARCH_EXID_SAMA5D35:
+ at91_soc_initdata.subtype = AT91_SOC_SAMA5D35;
+ break;
+ }
+ }
}
static const char *soc_name[] = {
@@ -219,6 +241,7 @@ static const char *soc_name[] = {
[AT91_SOC_SAM9RL] = "at91sam9rl",
[AT91_SOC_SAM9X5] = "at91sam9x5",
[AT91_SOC_SAM9N12] = "at91sam9n12",
+ [AT91_SOC_SAMA5D3] = "sama5d3",
[AT91_SOC_NONE] = "Unknown"
};
@@ -241,6 +264,10 @@ static const char *soc_subtype_name[] = {
[AT91_SOC_SAM9X35] = "at91sam9x35",
[AT91_SOC_SAM9G25] = "at91sam9g25",
[AT91_SOC_SAM9X25] = "at91sam9x25",
+ [AT91_SOC_SAMA5D31] = "sama5d31",
+ [AT91_SOC_SAMA5D33] = "sama5d33",
+ [AT91_SOC_SAMA5D34] = "sama5d34",
+ [AT91_SOC_SAMA5D35] = "sama5d35",
[AT91_SOC_SUBTYPE_NONE] = "Unknown"
};