Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Changes since v1: - Use 3 bits for rcsr mask
board/freescale/mx31pdk/mx31pdk.c | 25 ++++++++++++++++++++++++- 1 files changed, 24 insertions(+), 1 deletions(-)
diff --git a/board/freescale/mx31pdk/mx31pdk.c b/board/freescale/mx31pdk/mx31pdk.c index 4ef548f..5fc6319 100644 --- a/board/freescale/mx31pdk/mx31pdk.c +++ b/board/freescale/mx31pdk/mx31pdk.c @@ -86,7 +86,30 @@ int board_late_init(void)
int checkboard(void) { - printf("Board: i.MX31 MAX PDK (3DS)\n"); + u32 cause; + struct clock_control_regs *ccm = + (struct clock_control_regs *)CCM_BASE; + puts("Board: MX31PDK ["); + + cause = ccm->rcsr & 0x07; + switch (cause) { + case 0x0000: + puts("POR"); + break; + case 0x0001: + puts("RST"); + break; + case 0x0002: + puts("WDOG"); + break; + case 0x0006: + puts("JTAG"); + break; + default: + puts("unknown"); + } + + puts("]\n"); return 0; }