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| author | Bhupesh Sharma <bhupesh.sharma@freescale.com> | 2015-03-20 19:28:20 -0700 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-04-23 08:55:57 -0700 |
| commit | d27bf906dac9d85ca2426a7f42299d0560f4a968 (patch) | |
| tree | d18927eadaf86f22be27997ca07c9b3094d3be56 /arch/arm/cpu/armv8 | |
| parent | cd348efa6c8c38cc95495a34d784f9ea159ca41d (diff) | |
| download | u-boot-imx-d27bf906dac9d85ca2426a7f42299d0560f4a968.zip u-boot-imx-d27bf906dac9d85ca2426a7f42299d0560f4a968.tar.gz u-boot-imx-d27bf906dac9d85ca2426a7f42299d0560f4a968.tar.bz2 | |
armv8/fsl-ch3: Add support to print RCW configuration
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>
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-lsch3/cpu.c | 14 |
1 files changed, 14 insertions, 0 deletions
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 |