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powerpc/corenet_ds: display the RCW at boot

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Display the 64-byte Reset Configuration Word (RCW) during boot, so that
there's no confusion as to what RCW U-boot is using.

Reset Configuration Word (RCW):
       00000000: 4a500000 00000000 18181818 00008888
       00000010: 28402400 00002000 fe800000 01200000
       00000020: 00000000 00000000 00000000 000b0000
       00000030: 00000000 00000000 00000000 00000000

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Timur Tabi 2010-03-05 21:29:26 +00:00 committed by Kumar Gala
parent 0ce8437f30
commit 46299078e6
1 changed files with 15 additions and 0 deletions
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15
board/freescale/corenet_ds/corenet_ds.c
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@ -45,6 +45,8 @@ int checkboard (void)
{
u8 sw;
struct cpu_type *cpu = gd->cpu;
ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
unsigned int i;
printf("Board: %sDS, ", cpu->name);
printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
@ -66,6 +68,19 @@ int checkboard (void)
puts("36-bit Addressing\n");
#endif
/* 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_be32(&gur->rcwsr[i]);
if ((i % 4) == 0)
printf("\n %08x:", i * 4);
printf(" %08x", rcw);
}
puts("\n");
/* Display the actual SERDES reference clocks as configured by the
* dip switches on the board. Note that the SWx registers could
* technically be set to force the reference clocks to match the