diff options
Diffstat (limited to 'arch/arm/mach-at91/setup.c')
| -rw-r--r-- | arch/arm/mach-at91/setup.c | 104 |
1 files changed, 100 insertions, 4 deletions
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 4e30c78de7..b7a66aa0ae 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -25,7 +25,7 @@ void __initdata (*at91_boot_soc)(void); struct at91_socinfo at91_soc_initdata; EXPORT_SYMBOL(at91_soc_initdata); -static void __init soc_detect(u32 dbgu_base) +static void __init dbgu_soc_detect(u32 dbgu_base) { u32 cidr, socid; @@ -188,6 +188,84 @@ static void __init soc_detect(u32 dbgu_base) } } +static void __init chipid_soc_detect(u32 chipid_base) +{ + u32 cidr, socid; + + cidr = readl(chipid_base); + socid = cidr & AT91_CIDR_ARCH; + + if (!(cidr & AT91_CIDR_EXT)) + return; + + if (socid == (ARCH_ID_SAMA5 & AT91_CIDR_ARCH)) { + at91_soc_initdata.exid = readl(chipid_base + 4); + + switch (at91_soc_initdata.exid) { + case ARCH_EXID_SAMA5D21CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D21CU; + break; + case ARCH_EXID_SAMA5D225C_D1M: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D225C_D1M; + break; + case ARCH_EXID_SAMA5D22CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D22CU; + break; + case ARCH_EXID_SAMA5D22CN: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D22CN; + break; + case ARCH_EXID_SAMA5D23CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D23CU; + break; + case ARCH_EXID_SAMA5D24CX: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D24CX; + break; + case ARCH_EXID_SAMA5D24CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D24CU; + break; + case ARCH_EXID_SAMA5D26CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D26CU; + break; + case ARCH_EXID_SAMA5D27C_D1G: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D27C_D1G; + break; + case ARCH_EXID_SAMA5D27C_D5M: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D27C_D5M; + break; + case ARCH_EXID_SAMA5D27CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D27CU; + break; + case ARCH_EXID_SAMA5D27CN: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D27CN; + break; + case ARCH_EXID_SAMA5D28C_D1G: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D28C_D1G; + break; + case ARCH_EXID_SAMA5D28CU: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D28CU; + break; + case ARCH_EXID_SAMA5D28CN: + at91_soc_initdata.type = AT91_SOC_SAMA5D2; + at91_soc_initdata.subtype = AT91_SOC_SAMA5D28CN; + break; + } + } +} + static const char *soc_name[] = { [AT91_SOC_RM9200] = "at91rm9200", [AT91_SOC_SAM9260] = "at91sam9260", @@ -199,6 +277,7 @@ static const char *soc_name[] = { [AT91_SOC_SAM9RL] = "at91sam9rl", [AT91_SOC_SAM9X5] = "at91sam9x5", [AT91_SOC_SAM9N12] = "at91sam9n12", + [AT91_SOC_SAMA5D2] = "sama5d2", [AT91_SOC_SAMA5D3] = "sama5d3", [AT91_SOC_SAMA5D4] = "sama5d4", [AT91_SOC_NONE] = "Unknown" @@ -226,6 +305,21 @@ static const char *soc_subtype_name[] = { [AT91_SOC_SAM9N12] = "at91sam9n12", [AT91_SOC_SAM9CN11] = "at91sam9cn11", [AT91_SOC_SAM9CN12] = "at91sam9cn12", + [AT91_SOC_SAMA5D21CU] = "sama5d21cu", + [AT91_SOC_SAMA5D225C_D1M] = "sama5d225c_d1m", + [AT91_SOC_SAMA5D22CU] = "sama5d22cu", + [AT91_SOC_SAMA5D22CN] = "sama5d22cn", + [AT91_SOC_SAMA5D23CU] = "sama5d23cu", + [AT91_SOC_SAMA5D24CX] = "sama5d24cx", + [AT91_SOC_SAMA5D24CU] = "sama5d24cu", + [AT91_SOC_SAMA5D26CU] = "sama5d26cu", + [AT91_SOC_SAMA5D27C_D1G] = "sama5d27c_d1g", + [AT91_SOC_SAMA5D27C_D5M] = "sama5d27c_d5m", + [AT91_SOC_SAMA5D27CU] = "sama5d27cu", + [AT91_SOC_SAMA5D27CN] = "sama5d27cn", + [AT91_SOC_SAMA5D28C_D1G] = "sama5d28c_d1g", + [AT91_SOC_SAMA5D28CU] = "sama5d28cu", + [AT91_SOC_SAMA5D28CN] = "sama5d28cn", [AT91_SOC_SAMA5D31] = "sama5d31", [AT91_SOC_SAMA5D33] = "sama5d33", [AT91_SOC_SAMA5D34] = "sama5d34", @@ -249,11 +343,13 @@ static int at91_detect(void) at91_soc_initdata.type = AT91_SOC_NONE; at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE; - soc_detect(AT91_BASE_DBGU0); + dbgu_soc_detect(AT91_BASE_DBGU0); + if (!at91_soc_is_detected()) + dbgu_soc_detect(AT91_BASE_DBGU1); if (!at91_soc_is_detected()) - soc_detect(AT91_BASE_DBGU1); + dbgu_soc_detect(AT91_BASE_DBGU2); if (!at91_soc_is_detected()) - soc_detect(AT91_BASE_DBGU2); + chipid_soc_detect(0xfc069000); if (!at91_soc_is_detected()) panic("AT91: Impossible to detect the SOC type"); |