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authorQianyu Gong <qianyu.gong@nxp.com>2016-07-05 16:01:54 +0800
committerYork Sun <york.sun@nxp.com>2016-07-26 09:02:16 -0700
commitda4d620c90eb6dd9466a89837ab8667048d856e3 (patch)
tree9adecba1524b8d6b7d865c57bee3d96b36b32c17
parent86336e60c5bb23e4ec52584827ce743845bc519f (diff)
armv8: fsl_lsch2: Add SerDes 2 support
New SoC LS1046A belongs to Freescale Chassis Generation 2 and has two SerDes so we need to add this support in fsl_lsch2. The SoC related SerDes 2 support will be added in SoC patch. Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com> Reviewed-by: York Sun <york.sun@nxp.com>
-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c19
-rw-r--r--arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h1
-rw-r--r--arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h2
3 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c
index fe3444a91e..f73092ae3e 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c
@@ -13,6 +13,9 @@
#ifdef CONFIG_SYS_FSL_SRDS_1
static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT];
#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT];
+#endif
int is_serdes_configured(enum srds_prtcl device)
{
@@ -21,6 +24,9 @@ int is_serdes_configured(enum srds_prtcl device)
#ifdef CONFIG_SYS_FSL_SRDS_1
ret |= serdes1_prtcl_map[device];
#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ ret |= serdes2_prtcl_map[device];
+#endif
return !!ret;
}
@@ -38,6 +44,12 @@ int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
break;
#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ case FSL_SRDS_2:
+ cfg &= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
+ cfg >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;
+ break;
+#endif
default:
printf("invalid SerDes%d\n", sd);
break;
@@ -114,4 +126,11 @@ void fsl_serdes_init(void)
FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT,
serdes1_prtcl_map);
#endif
+#ifdef CONFIG_SYS_FSL_SRDS_2
+ serdes_init(FSL_SRDS_2,
+ CONFIG_SYS_FSL_SERDES_ADDR,
+ FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK,
+ FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT,
+ serdes2_prtcl_map);
+#endif
}
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
index 487cba8080..1f3340442c 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
@@ -140,6 +140,7 @@ enum srds_prtcl {
enum srds {
FSL_SRDS_1 = 0,
+ FSL_SRDS_2 = 1,
};
#endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
index 97136a011e..95a42935ca 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -228,6 +228,8 @@ struct ccsr_gur {
#define FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_MASK 0x3f
#define FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK 0xffff0000
#define FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT 16
+#define FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK 0x0000ffff
+#define FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT 0
#define RCW_SB_EN_REG_INDEX 7
#define RCW_SB_EN_MASK 0x00200000