From: Shaohui Xie <shaohui....@freescale.com>
T4240 has 4 serdes, each serdes has 4k memory space, two PLLs.
We use PLL1CR0 to check the serdes reference clock.
Signed-off-by: Shaohui Xie <shaohui....@freescale.com>
---
arch/powerpc/include/asm/immap_85xx.h | 6 ++++++
board/freescale/t4qds/t4240qds.c | 10 ++++++----
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/arch/powerpc/include/asm/immap_85xx.h
b/arch/powerpc/include/asm/immap_85xx.h
index 8258ab3..dfb370e 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -2905,6 +2905,8 @@ struct ccsr_sfp_regs {
#endif
#define CONFIG_SYS_FSL_CORENET_SERDES_OFFSET 0xEA000
#define CONFIG_SYS_FSL_CORENET_SERDES2_OFFSET 0xEB000
+#define CONFIG_SYS_FSL_CORENET_SERDES3_OFFSET 0xEC000
+#define CONFIG_SYS_FSL_CORENET_SERDES4_OFFSET 0xED000
#define CONFIG_SYS_FSL_CPC_OFFSET 0x10000
#define CONFIG_SYS_FSL_SCFG_OFFSET 0xFC000
#define CONFIG_SYS_MPC85xx_DMA1_OFFSET 0x100000
@@ -3090,6 +3092,10 @@ struct ccsr_sfp_regs {
(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_CORENET_SERDES_OFFSET)
#define CONFIG_SYS_FSL_CORENET_SERDES2_ADDR \
(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_CORENET_SERDES2_OFFSET)
+#define CONFIG_SYS_FSL_CORENET_SERDES3_ADDR \
+ (CONFIG_SYS_IMMR + CONFIG_SYS_FSL_CORENET_SERDES3_OFFSET)
+#define CONFIG_SYS_FSL_CORENET_SERDES4_ADDR \
+ (CONFIG_SYS_IMMR + CONFIG_SYS_FSL_CORENET_SERDES4_OFFSET)
#define CONFIG_SYS_MPC85xx_USB1_ADDR \
(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_USB1_OFFSET)
#define CONFIG_SYS_MPC85xx_USB2_ADDR \
diff --git a/board/freescale/t4qds/t4240qds.c b/board/freescale/t4qds/t4240qds.c
index fe1bc7f..cbe62c1 100644
--- a/board/freescale/t4qds/t4240qds.c
+++ b/board/freescale/t4qds/t4240qds.c
@@ -638,9 +638,10 @@ unsigned long get_board_ddr_clk(void)
int misc_init_r(void)
{
u8 sw;
- serdes_corenet_t *srds_regs =
- (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+ void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
+ serdes_corenet_t *srds_regs;
u32 actual[MAX_SERDES];
+ u32 pllcr0, expected;
unsigned int i;
sw = QIXIS_READ(brdcfg[2]);
@@ -663,8 +664,9 @@ int misc_init_r(void)
}
for (i = 0; i < MAX_SERDES; i++) {
- u32 pllcr0 = srds_regs->bank[i].pllcr0;
- u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
+ srds_regs = srds_base + i * 0x1000;
+ pllcr0 = srds_regs->bank[0].pllcr0;
+ expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
if (expected != actual[i]) {
printf("Warning: SERDES%u expects reference clock
%sMHz, but actual is %sMHz\n",
i + 1, serdes_clock_to_string(expected),
--
1.8.0
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