diff options
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 80 |
1 files changed, 23 insertions, 57 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 3f4a0d0395e..ed1d43923d1 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -242,7 +242,7 @@ static void __init ti816x_check_features(void) omap_features = OMAP3_HAS_NEON; } -static void __init omap3_check_revision(void) +static void __init omap3_check_revision(const char **cpu_rev) { u32 cpuid, idcode; u16 hawkeye; @@ -259,6 +259,7 @@ static void __init omap3_check_revision(void) if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) { omap_revision = OMAP3430_REV_ES1_0; omap_chip.oc |= CHIP_IS_OMAP3430ES1; + *cpu_rev = "1.0"; return; } @@ -280,18 +281,22 @@ static void __init omap3_check_revision(void) case 1: omap_revision = OMAP3430_REV_ES2_0; omap_chip.oc |= CHIP_IS_OMAP3430ES2; + *cpu_rev = "2.0"; break; case 2: omap_revision = OMAP3430_REV_ES2_1; omap_chip.oc |= CHIP_IS_OMAP3430ES2; + *cpu_rev = "2.1"; break; case 3: omap_revision = OMAP3430_REV_ES3_0; omap_chip.oc |= CHIP_IS_OMAP3430ES3_0; + *cpu_rev = "3.0"; break; case 4: omap_revision = OMAP3430_REV_ES3_1; omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; + *cpu_rev = "3.1"; break; case 7: /* FALLTHROUGH */ @@ -301,6 +306,7 @@ static void __init omap3_check_revision(void) /* REVISIT: Add CHIP_IS_OMAP3430ES3_1_2? */ omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; + *cpu_rev = "3.1.2"; } break; case 0xb868: @@ -315,11 +321,13 @@ static void __init omap3_check_revision(void) switch (rev) { case 0: omap_revision = OMAP3517_REV_ES1_0; + *cpu_rev = "1.0"; break; case 1: /* FALLTHROUGH */ default: omap_revision = OMAP3517_REV_ES1_1; + *cpu_rev = "1.1"; } omap_chip.oc |= CHIP_IS_OMAP3430ES3_1; break; @@ -330,16 +338,19 @@ static void __init omap3_check_revision(void) switch(rev) { case 0: /* Take care of early samples */ omap_revision = OMAP3630_REV_ES1_0; + *cpu_rev = "1.0"; break; case 1: omap_revision = OMAP3630_REV_ES1_1; omap_chip.oc |= CHIP_IS_OMAP3630ES1_1; + *cpu_rev = "1.1"; break; case 2: /* FALLTHROUGH */ default: omap_revision = OMAP3630_REV_ES1_2; omap_chip.oc |= CHIP_IS_OMAP3630ES1_2; + *cpu_rev = "1.2"; } break; case 0xb81e: @@ -348,17 +359,21 @@ static void __init omap3_check_revision(void) switch (rev) { case 0: omap_revision = TI8168_REV_ES1_0; + *cpu_rev = "1.0"; break; case 1: /* FALLTHROUGH */ default: omap_revision = TI8168_REV_ES1_1; + *cpu_rev = "1.1"; + break; } break; default: /* Unknown default to latest silicon rev as default */ - omap_revision = OMAP3630_REV_ES1_2; + omap_revision = OMAP3630_REV_ES1_2; omap_chip.oc |= CHIP_IS_OMAP3630ES1_2; + *cpu_rev = "1.2"; pr_warn("Warning: unknown chip type; assuming OMAP3630ES1.2\n"); } } @@ -435,10 +450,9 @@ static void __init omap4_check_revision(void) if (omap3_has_ ##feat()) \ printk(#feat" "); -static void __init omap3_cpuinfo(void) +static void __init omap3_cpuinfo(const char *cpu_rev) { - u8 rev = GET_OMAP_REVISION(); - const char *cpu_name, *cpu_rev; + const char *cpu_name; /* * OMAP3430 and OMAP3530 are assumed to be same. @@ -465,56 +479,6 @@ static void __init omap3_cpuinfo(void) cpu_name = "OMAP3503"; } - if (cpu_is_omap3630() || cpu_is_ti816x()) { - switch (rev) { - case OMAP_REVBITS_00: - cpu_rev = "1.0"; - break; - case OMAP_REVBITS_01: - cpu_rev = "1.1"; - break; - case OMAP_REVBITS_02: - /* FALLTHROUGH */ - default: - /* Use the latest known revision as default */ - cpu_rev = "1.2"; - } - } else if (cpu_is_omap3505() || cpu_is_omap3517()) { - switch (rev) { - case OMAP_REVBITS_00: - cpu_rev = "1.0"; - break; - case OMAP_REVBITS_01: - /* FALLTHROUGH */ - default: - /* Use the latest known revision as default */ - cpu_rev = "1.1"; - } - } else { - switch (rev) { - case OMAP_REVBITS_00: - cpu_rev = "1.0"; - break; - case OMAP_REVBITS_01: - cpu_rev = "2.0"; - break; - case OMAP_REVBITS_02: - cpu_rev = "2.1"; - break; - case OMAP_REVBITS_03: - cpu_rev = "3.0"; - break; - case OMAP_REVBITS_04: - cpu_rev = "3.1"; - break; - case OMAP_REVBITS_05: - /* FALLTHROUGH */ - default: - /* Use the latest known revision as default */ - cpu_rev = "3.1.2"; - } - } - /* Print verbose information */ pr_info("%s ES%s (", cpu_name, cpu_rev); @@ -533,6 +497,8 @@ static void __init omap3_cpuinfo(void) */ void __init omap2_check_revision(void) { + const char *cpu_rev; + /* * At this point we have an idea about the processor revision set * earlier with omap2_set_globals_tap(). @@ -540,7 +506,7 @@ void __init omap2_check_revision(void) if (cpu_is_omap24xx()) { omap24xx_check_revision(); } else if (cpu_is_omap34xx()) { - omap3_check_revision(); + omap3_check_revision(&cpu_rev); /* TI816X doesn't have feature register */ if (!cpu_is_ti816x()) @@ -548,7 +514,7 @@ void __init omap2_check_revision(void) else ti816x_check_features(); - omap3_cpuinfo(); + omap3_cpuinfo(cpu_rev); return; } else if (cpu_is_omap44xx()) { omap4_check_revision(); |