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armv8/fsl-ch3: Add support to print RCW configuration

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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>
This commit is contained in:
Bhupesh Sharma 2015-03-20 19:28:20 -07:00 committed by York Sun
parent cd348efa6c
commit d27bf906da
1 changed files with 14 additions and 0 deletions
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14
arch/arm/cpu/armv8/fsl-lsch3/cpu.c
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@ -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