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B4860qds: Set SerDes2 refclk2 at to 156.25MHz for XFI to work

PATCH New Shaveta Leekha 2 participants 2 messages Feb 26, 2014 – Mar 7, 2014

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Shaveta Leekha

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#0 lore raw

PATCH 2/2 B4860qds: Set SerDes2 refclk2 at to 156.25MHz for XFI to work

- Change setting of SerDes2 refclk2 to have the default value as it is coming on board that is 156.25MHz, for XFI to work
- Also change PLL_NUM variable to the one defined in

     config_mpc85xx.h for B4860 and B4420
Signed-off-by Shaveta Leekha <[email protected]>
---
 board/freescale/b4860qds/b4860qds.c |    7 +++----
 1 files changed, 3 insertions(+), 4 deletions(-)
board/freescale/b4860qds/b4860qds.c +3 -4
index 9d51864..15b3f62 100644
@@ -29,7 +29,6 @@
 
 #define CLK_MUX_SEL_MASK	0x4
 #define ETH_PHY_CLK_OUT		0x4
-#define PLL_NUM			2
 
 DECLARE_GLOBAL_DATA_PTR;
 

@@ -384,7 +383,7 @@ int config_serdes1_refclks(void)
 		/* Steps For SerDes PLLs reset and reconfiguration after
 		 * changing SerDes's refclks
 		 */
-		for (i = 0; i < PLL_NUM; i++) {
+		for (i = 0; i < CONFIG_SYS_FSL_SRDS_NUM_PLLS; i++) {
 			debug("For PLL%d reset and reconfiguration after"
 			       " changing refclks\n", i+1);
 			clrbits_be32(&srds_regs->bank[i].rstctl,

@@ -451,7 +450,7 @@ int config_serdes2_refclks(void)
 		if (!ret) {
 			ret = set_serdes_refclk(IDT_SERDES2_ADDRESS, 2,
 					SERDES_REFCLK_100,
-					SERDES_REFCLK_100, 0);
+					SERDES_REFCLK_156_25, 0);
 			if (ret) {
 				printf("IDT8T49N222A configuration failed.\n");
 				goto out;

@@ -465,7 +464,7 @@ int config_serdes2_refclks(void)
 		/* Steps For SerDes PLLs reset and reconfiguration after
 		 * changing SerDes's refclks
 		 */
-		for (i = 0; i < PLL_NUM; i++) {
+		for (i = 0; i < CONFIG_SYS_FSL_SRDS_NUM_PLLS; i++) {
 			clrbits_be32(&srds2_regs->bank[i].rstctl,
 					SRDS_RSTCTL_SDRST_B);
 			udelay(10);
Signature · 1 line
1.7.6.GIT
#1 lore raw

PATCH 2/2 B4860qds: Set SerDes2 refclk2 at to 156.25MHz for XFI to work

Quoted 7 lines · Shaveta Leekha

- Change setting of SerDes2 refclk2 to have the default value as it is coming on board that is 156.25MHz, for XFI to work
- Also change PLL_NUM variable to the one defined in

     config_mpc85xx.h for B4860 and B4420
Signed-off-by Shaveta Leekha <[email protected]>

---

Applied to u-boot-mpc85xx/master. Thanks.

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