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Diffstat (limited to 'arch/arm/mach-omap2/id.c')
-rw-r--r--arch/arm/mach-omap2/id.c167
1 files changed, 124 insertions, 43 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 37b8a1a4adf8..5f9086c65e48 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -22,9 +22,12 @@
#include <asm/cputype.h>
#include <plat/common.h>
-#include <plat/control.h>
#include <plat/cpu.h>
+#include <mach/id.h>
+
+#include "control.h"
+
static struct omap_chip_id omap_chip;
static unsigned int omap_revision;
@@ -58,7 +61,7 @@ int omap_type(void)
} else if (cpu_is_omap34xx()) {
val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS);
} else if (cpu_is_omap44xx()) {
- val = omap_ctrl_readl(OMAP44XX_CONTROL_STATUS);
+ val = omap_ctrl_readl(OMAP4_CTRL_MODULE_CORE_STATUS);
} else {
pr_err("Cannot detect omap type!\n");
goto out;
@@ -102,30 +105,36 @@ static struct omap_id omap_ids[] __initdata = {
static void __iomem *tap_base;
static u16 tap_prod_id;
-void __init omap24xx_check_revision(void)
+void omap_get_die_id(struct omap_die_id *odi)
+{
+ 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);
+ odi->id_3 = read_tap_reg(OMAP_TAP_DIE_ID_3);
+}
+
+static void __init omap24xx_check_revision(void)
{
int i, j;
u32 idcode, prod_id;
u16 hawkeye;
u8 dev_type, rev;
+ struct omap_die_id odi;
idcode = read_tap_reg(OMAP_TAP_IDCODE);
prod_id = read_tap_reg(tap_prod_id);
hawkeye = (idcode >> 12) & 0xffff;
rev = (idcode >> 28) & 0x0f;
dev_type = (prod_id >> 16) & 0x0f;
+ omap_get_die_id(&odi);
pr_debug("OMAP_TAP_IDCODE 0x%08x REV %i HAWKEYE 0x%04x MANF %03x\n",
idcode, rev, hawkeye, (idcode >> 1) & 0x7ff);
- pr_debug("OMAP_TAP_DIE_ID_0: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_0));
+ pr_debug("OMAP_TAP_DIE_ID_0: 0x%08x\n", odi.id_0);
pr_debug("OMAP_TAP_DIE_ID_1: 0x%08x DEV_REV: %i\n",
- read_tap_reg(OMAP_TAP_DIE_ID_1),
- (read_tap_reg(OMAP_TAP_DIE_ID_1) >> 28) & 0xf);
- pr_debug("OMAP_TAP_DIE_ID_2: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_2));
- pr_debug("OMAP_TAP_DIE_ID_3: 0x%08x\n",
- read_tap_reg(OMAP_TAP_DIE_ID_3));
+ odi.id_1, (odi.id_1 >> 28) & 0xf);
+ pr_debug("OMAP_TAP_DIE_ID_2: 0x%08x\n", odi.id_2);
+ pr_debug("OMAP_TAP_DIE_ID_3: 0x%08x\n", odi.id_3);
pr_debug("OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
prod_id, dev_type);
@@ -164,7 +173,7 @@ void __init omap24xx_check_revision(void)
omap3_features |= OMAP3_HAS_ ##feat; \
}
-void __init omap3_check_features(void)
+static void __init omap3_check_features(void)
{
u32 status;
@@ -179,6 +188,8 @@ void __init omap3_check_features(void)
OMAP3_CHECK_FEATURE(status, ISP);
if (cpu_is_omap3630())
omap3_features |= OMAP3_HAS_192MHZ_CLK;
+ if (!cpu_is_omap3505() && !cpu_is_omap3517())
+ omap3_features |= OMAP3_HAS_IO_WAKEUP;
/*
* TODO: Get additional info (where applicable)
@@ -186,7 +197,7 @@ void __init omap3_check_features(void)
*/
}
-void __init omap3_check_revision(void)
+static void __init omap3_check_revision(void)
{
u32 cpuid, idcode;
u16 hawkeye;
@@ -259,20 +270,35 @@ void __init omap3_check_revision(void)
omap_chip.oc |= CHIP_IS_OMAP3430ES3_1;
break;
case 0xb891:
- /* FALLTHROUGH */
+ /* Handle 36xx devices */
+ omap_chip.oc |= CHIP_IS_OMAP3630ES1;
+
+ switch(rev) {
+ case 0: /* Take care of early samples */
+ omap_revision = OMAP3630_REV_ES1_0;
+ break;
+ case 1:
+ omap_revision = OMAP3630_REV_ES1_1;
+ omap_chip.oc |= CHIP_IS_OMAP3630ES1_1;
+ break;
+ case 2:
+ default:
+ omap_revision = OMAP3630_REV_ES1_2;
+ omap_chip.oc |= CHIP_IS_OMAP3630ES1_2;
+ }
+ break;
default:
/* Unknown default to latest silicon rev as default*/
- omap_revision = OMAP3630_REV_ES1_0;
- omap_chip.oc |= CHIP_IS_OMAP3630ES1;
+ omap_revision = OMAP3630_REV_ES1_2;
+ omap_chip.oc |= CHIP_IS_OMAP3630ES1_2;
}
}
-void __init omap4_check_revision(void)
+static void __init omap4_check_revision(void)
{
u32 idcode;
u16 hawkeye;
u8 rev;
- char *rev_name = "ES1.0";
/*
* The IC rev detection is done with hawkeye and rev.
@@ -283,21 +309,46 @@ void __init omap4_check_revision(void)
hawkeye = (idcode >> 12) & 0xffff;
rev = (idcode >> 28) & 0xff;
- if ((hawkeye == 0xb852) && (rev == 0x0)) {
- omap_revision = OMAP4430_REV_ES1_0;
- omap_chip.oc |= CHIP_IS_OMAP4430ES1;
- pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name);
- return;
+ /*
+ * Few initial ES2.0 samples IDCODE is same as ES1.0
+ * Use ARM register to detect the correct ES version
+ */
+ if (!rev) {
+ idcode = read_cpuid(CPUID_ID);
+ rev = (idcode & 0xf) - 1;
}
- pr_err("Unknown OMAP4 CPU id\n");
+ switch (hawkeye) {
+ case 0xb852:
+ switch (rev) {
+ case 0:
+ omap_revision = OMAP4430_REV_ES1_0;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES1;
+ break;
+ case 1:
+ omap_revision = OMAP4430_REV_ES2_0;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2;
+ break;
+ default:
+ omap_revision = OMAP4430_REV_ES2_0;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2;
+ }
+ break;
+ default:
+ /* Unknown default to latest silicon rev as default*/
+ omap_revision = OMAP4430_REV_ES2_0;
+ omap_chip.oc |= CHIP_IS_OMAP4430ES2;
+ }
+
+ pr_info("OMAP%04x ES%d.0\n",
+ omap_rev() >> 16, ((omap_rev() >> 12) & 0xf) + 1);
}
#define OMAP3_SHOW_FEATURE(feat) \
if (omap3_has_ ##feat()) \
printk(#feat" ");
-void __init omap3_cpuinfo(void)
+static void __init omap3_cpuinfo(void)
{
u8 rev = GET_OMAP_REVISION();
char cpu_name[16], cpu_rev[16];
@@ -335,24 +386,54 @@ void __init omap3_cpuinfo(void)
strcpy(cpu_name, "OMAP3503");
}
- switch (rev) {
- case OMAP_REVBITS_00:
- strcpy(cpu_rev, "1.0");
- break;
- case OMAP_REVBITS_10:
- strcpy(cpu_rev, "2.0");
- break;
- case OMAP_REVBITS_20:
- strcpy(cpu_rev, "2.1");
- break;
- case OMAP_REVBITS_30:
- strcpy(cpu_rev, "3.0");
- break;
- case OMAP_REVBITS_40:
- /* FALLTHROUGH */
- default:
- /* Use the latest known revision as default */
- strcpy(cpu_rev, "3.1");
+ if (cpu_is_omap3630()) {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ strcpy(cpu_rev, "1.1");
+ break;
+ case OMAP_REVBITS_02:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "1.2");
+ }
+ } else if (cpu_is_omap3505() || cpu_is_omap3517()) {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "1.1");
+ }
+ } else {
+ switch (rev) {
+ case OMAP_REVBITS_00:
+ strcpy(cpu_rev, "1.0");
+ break;
+ case OMAP_REVBITS_01:
+ strcpy(cpu_rev, "2.0");
+ break;
+ case OMAP_REVBITS_02:
+ strcpy(cpu_rev, "2.1");
+ break;
+ case OMAP_REVBITS_03:
+ strcpy(cpu_rev, "3.0");
+ break;
+ case OMAP_REVBITS_04:
+ strcpy(cpu_rev, "3.1");
+ break;
+ case OMAP_REVBITS_05:
+ /* FALLTHROUGH */
+ default:
+ /* Use the latest known revision as default */
+ strcpy(cpu_rev, "3.1.2");
+ }
}
/* Print verbose information */
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-03 15:59:33 +0200