It is done by writing some magic sequence in a special register.
Signed-off-by: Alexey Brodkin abrodkin@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");