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-rw-r--r--arch/arm/mach-omap2/Makefile1
-rw-r--r--arch/arm/mach-omap2/clock.c3
-rw-r--r--arch/arm/mach-omap2/common.h11
-rw-r--r--arch/arm/mach-omap2/control.h4
-rw-r--r--arch/arm/mach-omap2/id.c2
-rw-r--r--arch/arm/mach-omap2/io.c26
-rw-r--r--arch/arm/mach-omap2/powerdomains3xxx_data.c2
-rw-r--r--arch/arm/mach-omap2/prm_common.c4
-rw-r--r--arch/arm/mach-omap2/soc.h4
-rw-r--r--arch/arm/mach-omap2/ti81xx-restart.c34
-rw-r--r--arch/arm/mach-omap2/timer.c2
11 files changed, 84 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 5d27dfdef66b..3a6463f88ea2 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -58,6 +58,7 @@ AFLAGS_sram34xx.o :=-Wa,-march=armv7-a
# Restart code (OMAP4/5 currently in omap4-common.c)
obj-$(CONFIG_SOC_OMAP2420) += omap2-restart.o
obj-$(CONFIG_SOC_OMAP2430) += omap2-restart.o
+obj-$(CONFIG_SOC_TI81XX) += ti81xx-restart.o
obj-$(CONFIG_SOC_AM33XX) += am33xx-restart.o
obj-$(CONFIG_SOC_AM43XX) += omap4-restart.o
obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index 6ad5b4dbd33e..4ae4ccebced2 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -620,6 +620,9 @@ void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks)
for (i = 0; i < num_clocks; i++) {
init_clk = clk_get(NULL, clk_names[i]);
+ if (WARN(IS_ERR(init_clk), "could not find init clock %s\n",
+ clk_names[i]))
+ continue;
clk_prepare_enable(init_clk);
}
}
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index 377eea849e7b..65b4371b3361 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -110,7 +110,8 @@ void omap3630_init_early(void);
void omap3_init_early(void); /* Do not use this one */
void am33xx_init_early(void);
void am35xx_init_early(void);
-void ti81xx_init_early(void);
+void ti814x_init_early(void);
+void ti816x_init_early(void);
void am33xx_init_early(void);
void am43xx_init_early(void);
void am43xx_init_late(void);
@@ -163,6 +164,14 @@ static inline void omap3xxx_restart(enum reboot_mode mode, const char *cmd)
}
#endif
+#ifdef CONFIG_SOC_TI81XX
+void ti81xx_restart(enum reboot_mode mode, const char *cmd);
+#else
+static inline void ti81xx_restart(enum reboot_mode mode, const char *cmd)
+{
+}
+#endif
+
#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) || \
defined(CONFIG_SOC_DRA7XX) || defined(CONFIG_SOC_AM43XX)
void omap44xx_restart(enum reboot_mode mode, const char *cmd);
diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h
index a3c013345c45..0fba6d1130a9 100644
--- a/arch/arm/mach-omap2/control.h
+++ b/arch/arm/mach-omap2/control.h
@@ -53,6 +53,7 @@
#define OMAP343X_CONTROL_GENERAL_WKUP 0xa60
/* TI81XX spefic control submodules */
+#define TI81XX_CONTROL_DEVBOOT 0x040
#define TI81XX_CONTROL_DEVCONF 0x600
/* Control register offsets - read/write with omap_ctrl_{read,write}{bwl}() */
@@ -246,6 +247,9 @@
#define OMAP3_PADCONF_SAD2D_MSTANDBY 0x250
#define OMAP3_PADCONF_SAD2D_IDLEACK 0x254
+/* TI81XX CONTROL_DEVBOOT register offsets */
+#define TI81XX_CONTROL_STATUS (TI81XX_CONTROL_DEVBOOT + 0x000)
+
/* TI81XX CONTROL_DEVCONF register offsets */
#define TI81XX_CONTROL_DEVICE_ID (TI81XX_CONTROL_DEVCONF + 0x000)
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index c25feba05818..2a2f4d56e4c8 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -56,6 +56,8 @@ int omap_type(void)
if (cpu_is_omap24xx()) {
val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS);
+ } else if (cpu_is_ti81xx()) {
+ val = omap_ctrl_readl(TI81XX_CONTROL_STATUS);
} else if (soc_is_am33xx() || soc_is_am43xx()) {
val = omap_ctrl_readl(AM33XX_CONTROL_STATUS);
} else if (cpu_is_omap34xx()) {
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index a1bd6affb508..e4a5630149e1 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -492,9 +492,28 @@ void __init am35xx_init_early(void)
omap_clk_soc_init = am35xx_dt_clk_init;
}
-void __init ti81xx_init_early(void)
+void __init ti814x_init_early(void)
{
- omap2_set_globals_tap(OMAP343X_CLASS,
+ omap2_set_globals_tap(TI814X_CLASS,
+ OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
+ omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
+ NULL);
+ omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE));
+ omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), NULL);
+ omap3xxx_check_revision();
+ ti81xx_check_features();
+ omap3xxx_voltagedomains_init();
+ omap3xxx_powerdomains_init();
+ omap3xxx_clockdomains_init();
+ omap3xxx_hwmod_init();
+ omap_hwmod_init_postsetup();
+ if (of_have_populated_dt())
+ omap_clk_soc_init = ti81xx_dt_clk_init;
+}
+
+void __init ti816x_init_early(void)
+{
+ omap2_set_globals_tap(TI816X_CLASS,
OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE));
omap2_set_globals_control(OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
NULL);
@@ -509,8 +528,6 @@ void __init ti81xx_init_early(void)
omap_hwmod_init_postsetup();
if (of_have_populated_dt())
omap_clk_soc_init = ti81xx_dt_clk_init;
- else
- omap_clk_soc_init = omap3xxx_clk_init;
}
void __init omap3_init_late(void)
@@ -551,7 +568,6 @@ void __init am35xx_init_late(void)
void __init ti81xx_init_late(void)
{
omap_common_late_init();
- omap3_pm_init();
omap2_clk_enable_autoidle_all();
}
#endif
diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c
index 328c1037cb60..70bc7066a4c2 100644
--- a/arch/arm/mach-omap2/powerdomains3xxx_data.c
+++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c
@@ -464,7 +464,7 @@ void __init omap3xxx_powerdomains_init(void)
{
unsigned int rev;
- if (!cpu_is_omap34xx())
+ if (!cpu_is_omap34xx() && !cpu_is_ti81xx())
return;
pwrdm_register_platform_funcs(&omap3_pwrdm_operations);
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 779940cb6e56..b6587854bca5 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -571,6 +571,10 @@ static const struct of_device_id omap_prcm_dt_match_table[] = {
{ .compatible = "ti,am3-scrm" },
{ .compatible = "ti,am4-prcm" },
{ .compatible = "ti,am4-scrm" },
+ { .compatible = "ti,dm814-prcm" },
+ { .compatible = "ti,dm814-scrm" },
+ { .compatible = "ti,dm816-prcm" },
+ { .compatible = "ti,dm816-scrm" },
{ .compatible = "ti,omap2-prcm" },
{ .compatible = "ti,omap2-scrm" },
{ .compatible = "ti,omap3-prm" },
diff --git a/arch/arm/mach-omap2/soc.h b/arch/arm/mach-omap2/soc.h
index c1a3b4416311..f97654d11ea5 100644
--- a/arch/arm/mach-omap2/soc.h
+++ b/arch/arm/mach-omap2/soc.h
@@ -423,13 +423,13 @@ IS_OMAP_TYPE(3430, 0x3430)
#define OMAP3630_REV_ES1_1 (OMAP363X_CLASS | (0x1 << 8))
#define OMAP3630_REV_ES1_2 (OMAP363X_CLASS | (0x2 << 8))
-#define TI816X_CLASS 0x81600034
+#define TI816X_CLASS 0x81600081
#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 TI814X_CLASS 0x81400081
#define TI8148_REV_ES1_0 TI814X_CLASS
#define TI8148_REV_ES2_0 (TI814X_CLASS | (0x1 << 8))
#define TI8148_REV_ES2_1 (TI814X_CLASS | (0x2 << 8))
diff --git a/arch/arm/mach-omap2/ti81xx-restart.c b/arch/arm/mach-omap2/ti81xx-restart.c
new file mode 100644
index 000000000000..6c3ce7c46ddd
--- /dev/null
+++ b/arch/arm/mach-omap2/ti81xx-restart.c
@@ -0,0 +1,34 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/reboot.h>
+
+#include "iomap.h"
+#include "common.h"
+#include "control.h"
+#include "prm3xxx.h"
+
+#define TI81XX_PRM_DEVICE_RSTCTRL 0x00a0
+#define TI81XX_GLOBAL_RST_COLD BIT(1)
+
+/**
+ * ti81xx_restart - trigger a software restart of the SoC
+ * @mode: the "reboot mode", see arch/arm/kernel/{setup,process}.c
+ * @cmd: passed from the userspace program rebooting the system (if provided)
+ *
+ * Resets the SoC. For @cmd, see the 'reboot' syscall in
+ * kernel/sys.c. No return value.
+ *
+ * NOTE: Warm reset does not seem to work, may require resetting
+ * clocks to bypass mode.
+ */
+void ti81xx_restart(enum reboot_mode mode, const char *cmd)
+{
+ omap2_prm_set_mod_reg_bits(TI81XX_GLOBAL_RST_COLD, 0,
+ TI81XX_PRM_DEVICE_RSTCTRL);
+ while (1);
+}
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 4f61148ec168..376b099ba84b 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -146,6 +146,8 @@ static const struct of_device_id omap_timer_match[] __initconst = {
{ .compatible = "ti,omap3430-timer", },
{ .compatible = "ti,omap4430-timer", },
{ .compatible = "ti,omap5430-timer", },
+ { .compatible = "ti,dm814-timer", },
+ { .compatible = "ti,dm816-timer", },
{ .compatible = "ti,am335x-timer", },
{ .compatible = "ti,am335x-timer-1ms", },
{ }
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-31 21:27:49 +0000