diff options
| author | Sanjeev Premi <premi@ti.com> | 2009-11-22 19:10:58 +0100 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2009-11-22 19:24:32 +0100 |
| commit | 4cac60180649b83e094d4ea5c440229814488431 (patch) | |
| tree | a5adbdcb0cd085d497727ba152407745ed06a607 /arch/arm/mach-omap2/id.c | |
| parent | omap3: 3630: update is_chip variable (diff) | |
| download | linux-4cac60180649b83e094d4ea5c440229814488431.tar.xz linux-4cac60180649b83e094d4ea5c440229814488431.zip | |
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 <premi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 36 |
1 files changed, 30 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); |