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T4/serdes: fix the serdes clock frequency 

Reverse the bit sequence to set and display serdes clock frequency
correctly. The correct bit maps in BRDCFG2 are
0	1	2	3	4	5	6	7
S1RATE[1:0]	S2RATE[1:0] 	S3RATE[1:0] 	S4RATE[1:0]

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
This commit is contained in:
Roy Zang 2013-03-25 07:33:15 +00:00 committed by Andy Fleming
parent 3e4c3137d6
commit 9458f6d83a
1 changed files with 2 additions and 2 deletions
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4
board/freescale/t4qds/t4qds.c
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@ -110,7 +110,7 @@ int checkboard(void)
for (i = 0; i < MAX_SERDES; i++) { for (i = 0; i < MAX_SERDES; i++) {
static const char *freq[] = { static const char *freq[] = {
"100", "125", "156.25", "161.1328125"}; "100", "125", "156.25", "161.1328125"};
unsigned int clock = (sw >> (2 * i)) & 3; unsigned int clock = (sw >> (6 - 2 * i)) & 3;
printf("SERDES%u=%sMHz ", i+1, freq[clock]); printf("SERDES%u=%sMHz ", i+1, freq[clock]);
} }
@ -357,7 +357,7 @@ int misc_init_r(void)
sw = QIXIS_READ(brdcfg[2]); sw = QIXIS_READ(brdcfg[2]);
for (i = 0; i < MAX_SERDES; i++) { for (i = 0; i < MAX_SERDES; i++) {
unsigned int clock = (sw >> (2 * i)) & 3; unsigned int clock = (sw >> (6 - 2 * i)) & 3;
switch (clock) { switch (clock) {
case 0: case 0:
actual[i] = SRDS_PLLCR0_RFCK_SEL_100; actual[i] = SRDS_PLLCR0_RFCK_SEL_100;