From: Hao Zhang hzhang@ti.com
Enhance the driver to use cmu/comlane/lane specific configurations instead of 1 big array of configuration.
Signed-off-by: Hao Zhang hzhang@ti.com Signed-off-by: Ivan Khoronzhuk ivan.khoronzhuk@ti.com --- arch/arm/include/asm/arch-keystone/hardware-k2hk.h | 3 + arch/arm/include/asm/arch-keystone/hardware.h | 3 + drivers/soc/keystone/keystone_serdes.c | 166 +++++++++++---------- include/configs/ks2_evm.h | 4 + 4 files changed, 94 insertions(+), 82 deletions(-)
diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h index 706b21d..28de3f5 100644 --- a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h +++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h @@ -79,6 +79,9 @@ #define KS2_DDR3B_EMIF_DATA_BASE 0x60000000 #define KS2_DDR3B_DDRPHYC 0x02328000
+/* SGMII SerDes */ +#define KS2_LANES_PER_SGMII_SERDES 4 + /* Number of DSP cores */ #define KS2_NUM_DSPS 8
diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index b297671..6788001 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -173,6 +173,9 @@ typedef volatile unsigned int *dv_reg_p;
#define KS2_MAC_ID_BASE_ADDR (KS2_DEVICE_STATE_CTRL_BASE + 0x110)
+/* SGMII SerDes */ +#define KS2_SGMII_SERDES_BASE 0x0232a000 + #ifdef CONFIG_SOC_K2HK #include <asm/arch/hardware-k2hk.h> #endif diff --git a/drivers/soc/keystone/keystone_serdes.c b/drivers/soc/keystone/keystone_serdes.c index dc4e78d..3632c22 100644 --- a/drivers/soc/keystone/keystone_serdes.c +++ b/drivers/soc/keystone/keystone_serdes.c @@ -9,92 +9,94 @@
#include <common.h>
+#define SERDES_LANE_REGS(x) (0x0200 + (0x200 * (x))) + +struct serdes_cfg { + u32 ofs; + u32 val; + u32 mask; +}; + +static struct serdes_cfg cfg_cmu_156p25m_5g[] = { + {0x0000, 0x00800000, 0xffff0000}, + {0x0014, 0x00008282, 0x0000ffff}, + {0x0060, 0x00142438, 0x00ffffff}, + {0x0064, 0x00c3c700, 0x00ffff00}, + {0x0078, 0x0000c000, 0x0000ff00} +}; + +static struct serdes_cfg cfg_comlane_156p25m_5g[] = { + {0x0a00, 0x00000800, 0x0000ff00}, + {0x0a08, 0x38a20000, 0xffff0000}, + {0x0a30, 0x008a8a00, 0x00ffff00}, + {0x0a84, 0x00000600, 0x0000ff00}, + {0x0a94, 0x10000000, 0xff000000}, + {0x0aa0, 0x81000000, 0xff000000}, + {0x0abc, 0xff000000, 0xff000000}, + {0x0ac0, 0x0000008b, 0x000000ff}, + {0x0b08, 0x583f0000, 0xffff0000}, + {0x0b0c, 0x0000004e, 0x000000ff} +}; + +static struct serdes_cfg cfg_lane_156p25mhz_5g[] = { + {0x0004, 0x38000080, 0xff0000ff}, + {0x0008, 0x00000000, 0x000000ff}, + {0x000c, 0x02000000, 0xff000000}, + {0x0010, 0x1b000000, 0xff000000}, + {0x0014, 0x00006fb8, 0x0000ffff}, + {0x0018, 0x758000e4, 0xffff00ff}, + {0x00ac, 0x00004400, 0x0000ff00}, + {0x002c, 0x00100800, 0x00ffff00}, + {0x0080, 0x00820082, 0x00ff00ff}, + {0x0084, 0x1d0f0385, 0xffffffff} + +}; + +static inline void ks2_serdes_rmw(u32 addr, u32 value, u32 mask) +{ + writel(((readl(addr) & (~mask)) | (value & mask)), addr); +} + +static void ks2_serdes_cfg_setup(u32 base, struct serdes_cfg *cfg, u32 size) +{ + u32 i; + + for (i = 0; i < size; i++) + ks2_serdes_rmw(base + cfg[i].ofs, cfg[i].val, cfg[i].mask); +} + +static void ks2_serdes_lane_config(u32 base, struct serdes_cfg *cfg_lane, + u32 size, u32 lane) +{ + u32 i; + + for (i = 0; i < size; i++) + ks2_serdes_rmw(base + cfg_lane[i].ofs + SERDES_LANE_REGS(lane), + cfg_lane[i].val, cfg_lane[i].mask); +} + +static int ks2_serdes_init_156p25m_5g(u32 base, u32 num_lanes) +{ + u32 i; + + ks2_serdes_cfg_setup(base, cfg_cmu_156p25m_5g, + ARRAY_SIZE(cfg_cmu_156p25m_5g)); + ks2_serdes_cfg_setup(base, cfg_comlane_156p25m_5g, + ARRAY_SIZE(cfg_comlane_156p25m_5g)); + + for (i = 0; i < num_lanes; i++) + ks2_serdes_lane_config(base, cfg_lane_156p25mhz_5g, + ARRAY_SIZE(cfg_lane_156p25mhz_5g), i); + + return 0; +} + void ks2_serdes_sgmii_156p25mhz_setup(void) { unsigned int cnt;
- /* - * configure Serializer/Deserializer (SerDes) hardware. SerDes IP - * hardware vendor published only register addresses and their values - * to be used for configuring SerDes. So had to use hardcoded values - * below. - */ - clrsetbits_le32(0x0232a000, 0xffff0000, 0x00800000); - clrsetbits_le32(0x0232a014, 0x0000ffff, 0x00008282); - clrsetbits_le32(0x0232a060, 0x00ffffff, 0x00142438); - clrsetbits_le32(0x0232a064, 0x00ffff00, 0x00c3c700); - clrsetbits_le32(0x0232a078, 0x0000ff00, 0x0000c000); - - clrsetbits_le32(0x0232a204, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a208, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a20c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a210, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a214, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a218, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a2ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a22c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a280, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a284, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a404, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a408, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a40c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a410, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a414, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a418, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a4ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a42c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a480, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a484, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a604, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a608, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a60c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a610, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a614, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a618, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a6ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a62c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a680, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a684, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232a804, 0xff0000ff, 0x38000080); - clrsetbits_le32(0x0232a808, 0x000000ff, 0x00000000); - clrsetbits_le32(0x0232a80c, 0xff000000, 0x02000000); - clrsetbits_le32(0x0232a810, 0xff000000, 0x1b000000); - clrsetbits_le32(0x0232a814, 0x0000ffff, 0x00006fb8); - clrsetbits_le32(0x0232a818, 0xffff00ff, 0x758000e4); - clrsetbits_le32(0x0232a8ac, 0x0000ff00, 0x00004400); - clrsetbits_le32(0x0232a82c, 0x00ffff00, 0x00200800); - clrsetbits_le32(0x0232a880, 0x00ff00ff, 0x00820082); - clrsetbits_le32(0x0232a884, 0xffffffff, 0x1d0f0385); - - clrsetbits_le32(0x0232aa00, 0x0000ff00, 0x00000800); - clrsetbits_le32(0x0232aa08, 0xffff0000, 0x38a20000); - clrsetbits_le32(0x0232aa30, 0x00ffff00, 0x008a8a00); - clrsetbits_le32(0x0232aa84, 0x0000ff00, 0x00000600); - clrsetbits_le32(0x0232aa94, 0xff000000, 0x10000000); - clrsetbits_le32(0x0232aaa0, 0xff000000, 0x81000000); - clrsetbits_le32(0x0232aabc, 0xff000000, 0xff000000); - clrsetbits_le32(0x0232aac0, 0x000000ff, 0x0000008b); - clrsetbits_le32(0x0232ab08, 0xffff0000, 0x583f0000); - clrsetbits_le32(0x0232ab0c, 0x000000ff, 0x0000004e); - clrsetbits_le32(0x0232a000, 0x000000ff, 0x00000003); - clrsetbits_le32(0x0232aa00, 0x000000ff, 0x0000005f); - - clrsetbits_le32(0x0232aa48, 0x00ffff00, 0x00fd8c00); - clrsetbits_le32(0x0232aa54, 0x00ffffff, 0x002fec72); - clrsetbits_le32(0x0232aa58, 0xffffff00, 0x00f92100); - clrsetbits_le32(0x0232aa5c, 0xffffffff, 0x00040060); - clrsetbits_le32(0x0232aa60, 0xffffffff, 0x00008000); - clrsetbits_le32(0x0232aa64, 0xffffffff, 0x0c581220); - clrsetbits_le32(0x0232aa68, 0xffffffff, 0xe13b0602); - clrsetbits_le32(0x0232aa6c, 0xffffffff, 0xb8074cc1); - clrsetbits_le32(0x0232aa70, 0xffffffff, 0x3f02e989); - clrsetbits_le32(0x0232aa74, 0x000000ff, 0x00000001); - clrsetbits_le32(0x0232ab20, 0x00ff0000, 0x00370000); - clrsetbits_le32(0x0232ab1c, 0xff000000, 0x37000000); - clrsetbits_le32(0x0232ab20, 0x000000ff, 0x0000005d); + ks2_serdes_init_156p25m_5g(CONFIG_KS2_SERDES_SGMII_BASE, + CONFIG_KS2_SERDES_LANES_PER_SGMII);
/*Bring SerDes out of Reset if SerDes is Shutdown & is in Reset Mode*/ clrbits_le32(0x0232a010, 1 << 28); diff --git a/include/configs/ks2_evm.h b/include/configs/ks2_evm.h index a7d7937..c9e4e2a 100644 --- a/include/configs/ks2_evm.h +++ b/include/configs/ks2_evm.h @@ -320,4 +320,8 @@ which is NOT applicable for DDR ECC test */ #define CONFIG_MAX_UBOOT_MEM_SIZE (4 << 20) /* 4 MiB */
+/* SGMII SerDes */ +#define CONFIG_KS2_SERDES_SGMII_BASE KS2_SGMII_SERDES_BASE +#define CONFIG_KS2_SERDES_LANES_PER_SGMII KS2_LANES_PER_SGMII_SERDES + #endif /* __CONFIG_KS2_EVM_H */