This patch adds the ability to reboot am33xx-based systems.
Signed-off-by: Daniel Mack <zonque@xxxxxxxxx>
---
arch/arm/mach-omap2/board-generic.c | 1 +
arch/arm/mach-omap2/prcm.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
index 601ecdf..6a69ceb 100644
--- a/arch/arm/mach-omap2/board-generic.c
+++ b/arch/arm/mach-omap2/board-generic.c
@@ -114,6 +114,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)")
.init_machine = omap_generic_init,
.timer = &omap3_am33xx_timer,
.dt_compat = am33xx_boards_compat,
+ .restart = omap_prcm_restart,
MACHINE_END
#endif
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 0f51e03..8a3068a 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -32,6 +32,7 @@
#include "clock2xxx.h"
#include "cm2xxx_3xxx.h"
#include "prm2xxx_3xxx.h"
+#include "prm33xx.h"
#include "prm44xx.h"
#include "prminst44xx.h"
#include "cminst44xx.h"
@@ -72,6 +73,11 @@ void omap_prcm_restart(char mode, const char *cmd)
omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0));
} else if (cpu_is_omap44xx()) {
omap4_prminst_global_warm_sw_reset(); /* never returns */
+ } else if (soc_is_am33xx()) {
+ prcm_offs = AM33XX_PRM_DEVICE_MOD;
+ omap2_prm_set_mod_reg_bits(OMAP4430_RST_GLOBAL_COLD_SW_MASK,
+ prcm_offs,
+ AM33XX_PRM_RSTCTRL_OFFSET);
} else {
WARN_ON(1);
}
--
1.7.11.7
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