From: Bhupesh Sharma bhupesh.sharma@freescale.com
This patch adds support to print out the Reset Configuration Word information.
Signed-off-by: Bhupesh Sharma bhupesh.sharma@freescale.com Signed-off-by: York Sun yorksun@freescale.com --- arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c index caa48f2..07064a3 100644 --- a/arch/arm/cpu/armv8/fsl-lsch3/cpu.c +++ b/arch/arm/cpu/armv8/fsl-lsch3/cpu.c @@ -371,6 +371,7 @@ u32 fsl_qoriq_core_to_type(unsigned int core) #ifdef CONFIG_DISPLAY_CPUINFO int print_cpuinfo(void) { + struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR); struct sys_info sysinfo; char buf[32]; unsigned int i, core; @@ -394,6 +395,19 @@ int print_cpuinfo(void) printf(" DP-DDR: %-4s MHz", strmhz(buf, sysinfo.freq_ddrbus2)); puts("\n");
+ /* Display the RCW, so that no one gets confused as to what RCW + * we're actually using for this boot. + */ + puts("Reset Configuration Word (RCW):"); + for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) { + u32 rcw = in_le32(&gur->rcwsr[i]); + + if ((i % 4) == 0) + printf("\n %02x:", i * 4); + printf(" %08x", rcw); + } + puts("\n"); + return 0; } #endif