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armv8: fsl_lsch2: Add SerDes 2 support

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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>
This commit is contained in:
Qianyu Gong 2016-07-05 16:01:54 +08:00 committed by York Sun
parent 86336e60c5
commit da4d620c90
3 changed files with 22 additions and 0 deletions
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19
arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c
View File

@ -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;
}
@ -37,6 +43,12 @@ int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
cfg &= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
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);
@ -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
}

1
arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
View File

@ -140,6 +140,7 @@ enum srds_prtcl {
enum srds {
FSL_SRDS_1 = 0,
FSL_SRDS_2 = 1,
};
#endif

2
arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
View File

@ -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