It is done by writing some magic sequence in a special register.
Signed-off-by: Alexey Brodkin <abrod...@synopsys.com>
---
board/synopsys/iot_devkit/iot_devkit.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/board/synopsys/iot_devkit/iot_devkit.c
b/board/synopsys/iot_devkit/iot_devkit.c
index 1d848dd..fb39e6d 100644
--- a/board/synopsys/iot_devkit/iot_devkit.c
+++ b/board/synopsys/iot_devkit/iot_devkit.c
@@ -17,6 +17,7 @@ DECLARE_GLOBAL_DATA_PTR;
#define AHBCKDIV (void *)(SYSCON_BASE + 0x04)
#define APBCKDIV (void *)(SYSCON_BASE + 0x08)
#define APBCKEN (void *)(SYSCON_BASE + 0x0C)
+#define RESET_REG (void *)(SYSCON_BASE + 0x18)
#define CLKSEL (void *)(SYSCON_BASE + 0x24)
#define CLKSTAT (void *)(SYSCON_BASE + 0x28)
#define PLLCON (void *)(SYSCON_BASE + 0x2C)
@@ -161,6 +162,13 @@ int board_mmc_init(bd_t *bis)
return 0;
}
+#define IOTDK_RESET_SEQ 0x55AA6699
+
+void reset_cpu(ulong addr)
+{
+ writel(IOTDK_RESET_SEQ, RESET_REG);
+}
+
int checkboard(void)
{
puts("Board: Synopsys IoT Development Kit\n");
--
2.7.4
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