From d0e72be77e7995923fac73f27cf7a75d3d1a4dec Mon Sep 17 00:00:00 2001 From: Joel Stanley Date: Wed, 10 Feb 2021 22:16:51 +1030 Subject: [PATCH] soc: aspeed: socinfo: Add new systems Aspeed's u-boot sdk has been updated with the SoC IDs for the AST2605 variant, as well as A2 and A3 variants of the 2600 family. >From u-boot's arch/arm/mach-aspeed/ast2600/scu_info.c: SOC_ID("AST2600-A0", 0x0500030305000303), SOC_ID("AST2600-A1", 0x0501030305010303), SOC_ID("AST2620-A1", 0x0501020305010203), SOC_ID("AST2600-A2", 0x0502030305010303), SOC_ID("AST2620-A2", 0x0502020305010203), SOC_ID("AST2605-A2", 0x0502010305010103), SOC_ID("AST2600-A3", 0x0503030305030303), SOC_ID("AST2620-A3", 0x0503020305030203), SOC_ID("AST2605-A3", 0x0503010305030103), Fixes: e0218dca5787 ("soc: aspeed: Add soc info driver") Link: https://lore.kernel.org/r/20210210114651.334324-1-joel@jms.id.au Signed-off-by: Joel Stanley --- drivers/soc/aspeed/aspeed-socinfo.c | 33 +++++++++++++++++++++++++-------- 1 file changed, 25 insertions(+), 8 deletions(-) diff --git a/drivers/soc/aspeed/aspeed-socinfo.c b/drivers/soc/aspeed/aspeed-socinfo.c index 773930e..e3215f8 100644 --- a/drivers/soc/aspeed/aspeed-socinfo.c +++ b/drivers/soc/aspeed/aspeed-socinfo.c @@ -25,6 +25,7 @@ static struct { /* AST2600 */ { "AST2600", 0x05000303 }, { "AST2620", 0x05010203 }, + { "AST2605", 0x05030103 }, }; static const char *siliconid_to_name(u32 siliconid) @@ -43,14 +44,30 @@ static const char *siliconid_to_name(u32 siliconid) static const char *siliconid_to_rev(u32 siliconid) { unsigned int rev = (siliconid >> 16) & 0xff; - - switch (rev) { - case 0: - return "A0"; - case 1: - return "A1"; - case 3: - return "A2"; + unsigned int gen = (siliconid >> 24) & 0xff; + + if (gen < 0x5) { + /* AST2500 and below */ + switch (rev) { + case 0: + return "A0"; + case 1: + return "A1"; + case 3: + return "A2"; + } + } else { + /* AST2600 */ + switch (rev) { + case 0: + return "A0"; + case 1: + return "A1"; + case 2: + return "A2"; + case 3: + return "A3"; + } } return "??"; -- 2.7.4