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Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c77
1 files changed, 64 insertions, 13 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 5f9086c65e48..2537090aa33a 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -6,7 +6,7 @@
* Copyright (C) 2005 Nokia Corporation
* Written by Tony Lindgren <tony@atomide.com>
*
- * Copyright (C) 2009 Texas Instruments
+ * Copyright (C) 2009-11 Texas Instruments
* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
*
* This program is free software; you can redistribute it and/or modify
@@ -84,6 +84,11 @@ EXPORT_SYMBOL(omap_type);
#define OMAP_TAP_DIE_ID_2 0x0220
#define OMAP_TAP_DIE_ID_3 0x0224
+#define OMAP_TAP_DIE_ID_44XX_0 0x0200
+#define OMAP_TAP_DIE_ID_44XX_1 0x0208
+#define OMAP_TAP_DIE_ID_44XX_2 0x020c
+#define OMAP_TAP_DIE_ID_44XX_3 0x0210
+
#define read_tap_reg(reg) __raw_readl(tap_base + (reg))
struct omap_id {
@@ -107,6 +112,14 @@ static u16 tap_prod_id;
void omap_get_die_id(struct omap_die_id *odi)
{
+ if (cpu_is_omap44xx()) {
+ odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_0);
+ odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_1);
+ odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_2);
+ odi->id_3 = read_tap_reg(OMAP_TAP_DIE_ID_44XX_3);
+
+ return;
+ }
odi->id_0 = read_tap_reg(OMAP_TAP_DIE_ID_0);
odi->id_1 = read_tap_reg(OMAP_TAP_DIE_ID_1);
odi->id_2 = read_tap_reg(OMAP_TAP_DIE_ID_2);
@@ -191,12 +204,19 @@ static void __init omap3_check_features(void)
if (!cpu_is_omap3505() && !cpu_is_omap3517())
omap3_features |= OMAP3_HAS_IO_WAKEUP;
+ omap3_features |= OMAP3_HAS_SDRC;
+
/*
* TODO: Get additional info (where applicable)
* e.g. Size of L2 cache.
*/
}
+static void __init ti816x_check_features(void)
+{
+ omap3_features = OMAP3_HAS_NEON;
+}
+
static void __init omap3_check_revision(void)
{
u32 cpuid, idcode;
@@ -287,6 +307,20 @@ static void __init omap3_check_revision(void)
omap_chip.oc |= CHIP_IS_OMAP3630ES1_2;
}
break;
+ case 0xb81e:
+ omap_chip.oc = CHIP_IS_TI816X;
+
+ switch (rev) {
+ case 0:
+ omap_revision = TI8168_REV_ES1_0;
+ break;
+ case 1:
+ omap_revision = TI8168_REV_ES1_1;
+ break;
+ default:
+ omap_revision = TI8168_REV_ES1_1;
+ }
+ break;
default:
/* Unknown default to latest silicon rev as default*/
omap_revision = OMAP3630_REV_ES1_2;
@@ -307,7 +341,7 @@ static void __init omap4_check_revision(void)
*/
idcode = read_tap_reg(OMAP_TAP_IDCODE);
hawkeye = (idcode >> 12) & 0xffff;
- rev = (idcode >> 28) & 0xff;
+ rev = (idcode >> 28) & 0xf;
/*
* Few initial ES2.0 samples IDCODE is same as ES1.0
@@ -326,22 +360,31 @@ static void __init omap4_check_revision(void)
omap_chip.oc |= CHIP_IS_OMAP4430ES1;
break;
case 1:
+ default:
omap_revision = OMAP4430_REV_ES2_0;
omap_chip.oc |= CHIP_IS_OMAP4430ES2;
+ }
+ break;
+ case 0xb95c:
+ switch (rev) {
+ case 3:
+ omap_revision = OMAP4430_REV_ES2_1;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2_1;
break;
+ case 4:
default:
- omap_revision = OMAP4430_REV_ES2_0;
- omap_chip.oc |= CHIP_IS_OMAP4430ES2;
- }
- break;
+ omap_revision = OMAP4430_REV_ES2_2;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2_2;
+ }
+ break;
default:
- /* Unknown default to latest silicon rev as default*/
- omap_revision = OMAP4430_REV_ES2_0;
- omap_chip.oc |= CHIP_IS_OMAP4430ES2;
+ /* Unknown default to latest silicon rev as default */
+ omap_revision = OMAP4430_REV_ES2_2;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2_2;
}
- pr_info("OMAP%04x ES%d.0\n",
- omap_rev() >> 16, ((omap_rev() >> 12) & 0xf) + 1);
+ pr_info("OMAP%04x ES%d.%d\n", omap_rev() >> 16,
+ ((omap_rev() >> 12) & 0xf), ((omap_rev() >> 8) & 0xf));
}
#define OMAP3_SHOW_FEATURE(feat) \
@@ -372,6 +415,8 @@ static void __init omap3_cpuinfo(void)
/* Already set in omap3_check_revision() */
strcpy(cpu_name, "AM3505");
}
+ } else if (cpu_is_ti816x()) {
+ strcpy(cpu_name, "TI816X");
} else if (omap3_has_iva() && omap3_has_sgx()) {
/* OMAP3430, OMAP3525, OMAP3515, OMAP3503 devices */
strcpy(cpu_name, "OMAP3430/3530");
@@ -386,7 +431,7 @@ static void __init omap3_cpuinfo(void)
strcpy(cpu_name, "OMAP3503");
}
- if (cpu_is_omap3630()) {
+ if (cpu_is_omap3630() || cpu_is_ti816x()) {
switch (rev) {
case OMAP_REVBITS_00:
strcpy(cpu_rev, "1.0");
@@ -462,7 +507,13 @@ void __init omap2_check_revision(void)
omap24xx_check_revision();
} else if (cpu_is_omap34xx()) {
omap3_check_revision();
- omap3_check_features();
+
+ /* TI816X doesn't have feature register */
+ if (!cpu_is_ti816x())
+ omap3_check_features();
+ else
+ ti816x_check_features();
+
omap3_cpuinfo();
return;
} else if (cpu_is_omap44xx()) {