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authorArnd Bergmann <arnd@arndb.de>2013-06-20 16:38:12 +0200
committerArnd Bergmann <arnd@arndb.de>2013-06-20 16:38:12 +0200
commit58eb042889ddc8035ddb68a9c9cbd2251d1b7feb (patch)
treef1af7152bc8245e95a772ce67adc7ba7e970fdc3 /arch/arm/mach-omap2
parent46a3b0aa93a99de341e0ee0d8ecede3843780835 (diff)
parent7bcad170154f1302aeeced4f236588091a261fbf (diff)
downloadop-kernel-dev-58eb042889ddc8035ddb68a9c9cbd2251d1b7feb.zip
op-kernel-dev-58eb042889ddc8035ddb68a9c9cbd2251d1b7feb.tar.gz
Merge tag 'omap-for-v3.11/soc-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
From Tony Lindgren: Fix am43x minimal booting as I accidentally left out one patch from the already merged omap-for-v3.11/soc-signed branch. Also fixes for ti81x booting and revision check updates. These are based on omap-for-v3.11/soc-signed because of the am43x dependency to earlier patches. * tag 'omap-for-v3.11/soc-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP3+: am33xx id: Add new am33xx specific function to check dev_feature ARM: OMAP: TI816X: add powerdomains for TI816x ARM: OMAP2: TI81XX: id: Add cpu id for TI816x ES2.0 and ES2.1 ARM: OMAP2+: AM43x: basic dt support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r--arch/arm/mach-omap2/board-generic.c16
-rw-r--r--arch/arm/mach-omap2/control.h4
-rw-r--r--arch/arm/mach-omap2/id.c24
-rw-r--r--arch/arm/mach-omap2/io.c2
-rw-r--r--arch/arm/mach-omap2/powerdomains3xxx_data.c62
-rw-r--r--arch/arm/mach-omap2/prcm-common.h11
-rw-r--r--arch/arm/mach-omap2/soc.h3
-rw-r--r--arch/arm/mach-omap2/timer.c2
8 files changed, 120 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 88aa6b1..e5fbfed 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -185,3 +185,19 @@ DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)")
.restart = omap44xx_restart,
MACHINE_END
#endif
+
+#ifdef CONFIG_SOC_AM43XX
+static const char *am43_boards_compat[] __initdata = {
+ "ti,am43",
+ NULL,
+};
+
+DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)")
+ .map_io = am33xx_map_io,
+ .init_early = am43xx_init_early,
+ .init_irq = omap_gic_of_init,
+ .init_machine = omap_generic_init,
+ .init_time = omap3_sync32k_timer_init,
+ .dt_compat = am43_boards_compat,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index 35d17a6..f7d7c2e 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -366,6 +366,10 @@
#define AM33XX_PWMSS1_TBCLKEN_SHIFT 1
#define AM33XX_PWMSS2_TBCLKEN_SHIFT 2
+/* DEV Feature register to identify AM33XX features */
+#define AM33XX_DEV_FEATURE 0x604
+#define AM33XX_SGX_MASK BIT(29)
+
/* CONTROL OMAP STATUS register to identify OMAP3 features */
#define OMAP3_CONTROL_OMAP_STATUS 0x044c
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 74f71ab..7335eb2 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -304,6 +304,19 @@ void __init ti81xx_check_features(void)
omap3_cpuinfo();
}
+void __init am33xx_check_features(void)
+{
+ u32 status;
+
+ omap_features = OMAP3_HAS_NEON;
+
+ status = omap_ctrl_readl(AM33XX_DEV_FEATURE);
+ if (status & AM33XX_SGX_MASK)
+ omap_features |= OMAP3_HAS_SGX;
+
+ omap3_cpuinfo();
+}
+
void __init omap3xxx_check_revision(void)
{
const char *cpu_rev;
@@ -407,11 +420,18 @@ void __init omap3xxx_check_revision(void)
cpu_rev = "1.0";
break;
case 1:
- /* FALLTHROUGH */
- default:
omap_revision = TI8168_REV_ES1_1;
cpu_rev = "1.1";
break;
+ case 2:
+ omap_revision = TI8168_REV_ES2_0;
+ cpu_rev = "2.0";
+ break;
+ case 3:
+ /* FALLTHROUGH */
+ default:
+ omap_revision = TI8168_REV_ES2_1;
+ cpu_rev = "2.1";
}
break;
case 0xb944:
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 8dec09a..dd0f23d 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -576,7 +576,7 @@ void __init am33xx_init_early(void)
omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
omap3xxx_check_revision();
- ti81xx_check_features();
+ am33xx_check_features();
am33xx_voltagedomains_init();
am33xx_powerdomains_init();
am33xx_clockdomains_init();
diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c
index f0e14e9..e2d4bd8 100644
--- a/arch/arm/mach-omap2/powerdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c
@@ -336,6 +336,54 @@ static struct powerdomain dpll5_pwrdm = {
.voltdm = { .name = "core" },
};
+static struct powerdomain device_81xx_pwrdm = {
+ .name = "device_pwrdm",
+ .prcm_offs = TI81XX_PRM_DEVICE_MOD,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain active_816x_pwrdm = {
+ .name = "active_pwrdm",
+ .prcm_offs = TI816X_PRM_ACTIVE_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain default_816x_pwrdm = {
+ .name = "default_pwrdm",
+ .prcm_offs = TI81XX_PRM_DEFAULT_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "core" },
+};
+
+static struct powerdomain ivahd0_816x_pwrdm = {
+ .name = "ivahd0_pwrdm",
+ .prcm_offs = TI816X_PRM_IVAHD0_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain ivahd1_816x_pwrdm = {
+ .name = "ivahd1_pwrdm",
+ .prcm_offs = TI816X_PRM_IVAHD1_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain ivahd2_816x_pwrdm = {
+ .name = "ivahd2_pwrdm",
+ .prcm_offs = TI816X_PRM_IVAHD2_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "mpu_iva" },
+};
+
+static struct powerdomain sgx_816x_pwrdm = {
+ .name = "sgx_pwrdm",
+ .prcm_offs = TI816X_PRM_SGX_MOD,
+ .pwrsts = PWRSTS_OFF_ON,
+ .voltdm = { .name = "core" },
+};
+
/* As powerdomains are added or removed above, this list must also be changed */
static struct powerdomain *powerdomains_omap3430_common[] __initdata = {
&wkup_omap2_pwrdm,
@@ -393,6 +441,17 @@ static struct powerdomain *powerdomains_am35x[] __initdata = {
NULL
};
+static struct powerdomain *powerdomains_ti81xx[] __initdata = {
+ &device_81xx_pwrdm,
+ &active_816x_pwrdm,
+ &default_816x_pwrdm,
+ &ivahd0_816x_pwrdm,
+ &ivahd1_816x_pwrdm,
+ &ivahd2_816x_pwrdm,
+ &sgx_816x_pwrdm,
+ NULL
+};
+
void __init omap3xxx_powerdomains_init(void)
{
unsigned int rev;
@@ -406,6 +465,9 @@ void __init omap3xxx_powerdomains_init(void)
if (rev == AM35XX_REV_ES1_0 || rev == AM35XX_REV_ES1_1) {
pwrdm_register_pwrdms(powerdomains_am35x);
+ } else if (rev == TI8168_REV_ES1_0 || rev == TI8168_REV_ES1_1
+ || rev == TI8168_REV_ES2_0 || rev == TI8168_REV_ES2_1) {
+ pwrdm_register_pwrdms(powerdomains_ti81xx);
} else {
pwrdm_register_pwrdms(powerdomains_omap3430_common);
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index c7d355f..ff1ac4a 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -48,6 +48,17 @@
#define OMAP3430_NEON_MOD 0xb00
#define OMAP3430ES2_USBHOST_MOD 0xc00
+/*
+ * TI81XX PRM module offsets
+ */
+#define TI81XX_PRM_DEVICE_MOD 0x0000
+#define TI816X_PRM_ACTIVE_MOD 0x0a00
+#define TI81XX_PRM_DEFAULT_MOD 0x0b00
+#define TI816X_PRM_IVAHD0_MOD 0x0c00
+#define TI816X_PRM_IVAHD1_MOD 0x0d00
+#define TI816X_PRM_IVAHD2_MOD 0x0e00
+#define TI816X_PRM_SGX_MOD 0x0f00
+
/* 24XX register bits shared between CM & PRM registers */
/* CM_FCLKEN1_CORE, CM_ICLKEN1_CORE, PM_WKEN1_CORE shared bits */
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index 3cefc49..8c616e4 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -403,6 +403,8 @@ IS_OMAP_TYPE(3430, 0x3430)
#define TI816X_CLASS 0x81600034
#define TI8168_REV_ES1_0 TI816X_CLASS
#define TI8168_REV_ES1_1 (TI816X_CLASS | (0x1 << 8))
+#define TI8168_REV_ES2_0 (TI816X_CLASS | (0x2 << 8))
+#define TI8168_REV_ES2_1 (TI816X_CLASS | (0x3 << 8))
#define TI814X_CLASS 0x81400034
#define TI8148_REV_ES1_0 TI814X_CLASS
@@ -447,6 +449,7 @@ void omap4xxx_check_revision(void);
void omap5xxx_check_revision(void);
void omap3xxx_check_features(void);
void ti81xx_check_features(void);
+void am33xx_check_features(void);
void omap4xxx_check_features(void);
/*
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index f8b23b8..3bdb0fb 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -582,7 +582,7 @@ OMAP_SYS_32K_TIMER_INIT(2, 1, "timer_32k_ck", "ti,timer-alwon",
2, "timer_sys_ck", NULL);
#endif /* CONFIG_ARCH_OMAP2 */
-#ifdef CONFIG_ARCH_OMAP3
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX)
OMAP_SYS_32K_TIMER_INIT(3, 1, "timer_32k_ck", "ti,timer-alwon",
2, "timer_sys_ck", NULL);
OMAP_SYS_32K_TIMER_INIT(3_secure, 12, "secure_32k_fck", "ti,timer-secure",
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