From 4cac60180649b83e094d4ea5c440229814488431 Mon Sep 17 00:00:00 2001 From: Sanjeev Premi Date: Sun, 22 Nov 2009 10:10:58 -0800 Subject: [PATCH] omap3: AM35xx: Runtime detection of the device Add support to detect AM3505/AM3517 devices at runtime. Also updates the CPU names printed during boot. Signed-off-by: Sanjeev Premi Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/id.c | 36 ++++++++++++++++++++++----- arch/arm/plat-omap/include/plat/cpu.h | 12 +++++++++ 2 files changed, 42 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 189cf7a6e61b..f8252c64c423 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -242,6 +242,14 @@ void __init omap3_check_revision(void) omap_revision = OMAP3630_REV_ES1_0; } break; + case 0xb868: + /* Handle OMAP35xx/AM35xx devices + * + * Set the device to be OMAP3505 here. Actual device + * is identified later based on the features. + */ + omap_revision = OMAP3505_REV(rev); + break; default: /* Unknown default to latest silicon rev as default*/ omap_revision = OMAP3630_REV_ES1_0; @@ -267,20 +275,36 @@ void __init omap3_cpuinfo(void) * and CPU class bits. */ if (cpu_is_omap3630()) - strcpy(cpu_name, "3630"); + strcpy(cpu_name, "OMAP3630"); + else if (cpu_is_omap3505()) { + /* + * AM35xx devices + */ + if (omap3_has_sgx()) { + omap_revision = OMAP3517_REV(rev); + strcpy(cpu_name, "AM3517"); + } + else { + /* Already set in omap3_check_revision() */ + strcpy(cpu_name, "AM3505"); + } + } + /* + * OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices + */ else if (omap3_has_iva() && omap3_has_sgx()) - strcpy(cpu_name, "3430/3530"); + strcpy(cpu_name, "OMAP3430/3530"); else if (omap3_has_sgx()) { omap_revision = OMAP3525_REV(rev); - strcpy(cpu_name, "3525"); + strcpy(cpu_name, "OMAP3525"); } else if (omap3_has_iva()) { omap_revision = OMAP3515_REV(rev); - strcpy(cpu_name, "3515"); + strcpy(cpu_name, "OMAP3515"); } else { omap_revision = OMAP3503_REV(rev); - strcpy(cpu_name, "3503"); + strcpy(cpu_name, "OMAP3503"); } switch (rev) { @@ -307,7 +331,7 @@ void __init omap3_cpuinfo(void) /* * Print verbose information */ - pr_info("OMAP%s ES%s\n", cpu_name, cpu_rev); + pr_info("%s ES%s\n", cpu_name, cpu_rev); OMAP3_SHOW_FEATURE(l2cache); OMAP3_SHOW_FEATURE(iva); diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h index 7babefce62e1..2e1789001dfe 100644 --- a/arch/arm/plat-omap/include/plat/cpu.h +++ b/arch/arm/plat-omap/include/plat/cpu.h @@ -284,6 +284,8 @@ IS_OMAP_SUBCLASS(363x, 0x363) * cpu_is_omap2423(): True for OMAP2423 * cpu_is_omap2430(): True for OMAP2430 * cpu_is_omap3430(): True for OMAP3430 + * cpu_is_omap3505(): True for OMAP3505 + * cpu_is_omap3517(): True for OMAP3517 */ #define GET_OMAP_TYPE ((omap_rev() >> 16) & 0xffff) @@ -307,6 +309,8 @@ IS_OMAP_TYPE(2422, 0x2422) IS_OMAP_TYPE(2423, 0x2423) IS_OMAP_TYPE(2430, 0x2430) IS_OMAP_TYPE(3430, 0x3430) +IS_OMAP_TYPE(3505, 0x3505) +IS_OMAP_TYPE(3517, 0x3517) #define cpu_is_omap310() 0 #define cpu_is_omap730() 0 @@ -325,6 +329,8 @@ IS_OMAP_TYPE(3430, 0x3430) #define cpu_is_omap3515() 0 #define cpu_is_omap3525() 0 #define cpu_is_omap3530() 0 +#define cpu_is_omap3505() 0 +#define cpu_is_omap3517() 0 #define cpu_is_omap3430() 0 #define cpu_is_omap3630() 0 @@ -380,6 +386,8 @@ IS_OMAP_TYPE(3430, 0x3430) # undef cpu_is_omap3515 # undef cpu_is_omap3525 # undef cpu_is_omap3530 +# undef cpu_is_omap3505 +# undef cpu_is_omap3517 # define cpu_is_omap3430() is_omap3430() # define cpu_is_omap3503() (cpu_is_omap3430() && \ (!omap3_has_iva()) && \ @@ -391,6 +399,8 @@ IS_OMAP_TYPE(3430, 0x3430) (omap3_has_sgx()) && \ (!omap3_has_iva())) # define cpu_is_omap3530() (cpu_is_omap3430()) +# define cpu_is_omap3505() is_omap3505() +# define cpu_is_omap3517() is_omap3517() # undef cpu_is_omap3630 # define cpu_is_omap3630() is_omap363x() #endif @@ -430,6 +440,8 @@ IS_OMAP_TYPE(3430, 0x3430) #define OMAP3515_REV(v) (OMAP35XX_CLASS | (0x3515 << 16) | (v << 12)) #define OMAP3525_REV(v) (OMAP35XX_CLASS | (0x3525 << 16) | (v << 12)) #define OMAP3530_REV(v) (OMAP35XX_CLASS | (0x3530 << 16) | (v << 12)) +#define OMAP3505_REV(v) (OMAP35XX_CLASS | (0x3505 << 16) | (v << 12)) +#define OMAP3517_REV(v) (OMAP35XX_CLASS | (0x3517 << 16) | (v << 12)) #define OMAP443X_CLASS 0x44300034 -- 2.39.5