diff options
| author | Swapnil Jakhade <sjakhade@cadence.com> | 2022-01-28 13:41:44 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-02-08 11:00:03 -0500 |
| commit | 990ce535ebc3f912769cbc8a651b7eb53545c60d (patch) | |
| tree | 0fe5d9dd4d0bb149f3f6fd30347d4a930b71aaea /drivers/phy | |
| parent | 445c8cf89b7472a6a78854f87de114bc067c1878 (diff) | |
phy: cadence: Sierra: Add PHY PCS common register configurations
Add PHY PCS common register configuration sequences for single link.
Update single link PCIe register sequence accordingly.
Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/cadence/phy-cadence-sierra.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index 951344f5ac..9267293703 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -150,6 +150,7 @@ #define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150 #define SIERRA_PHY_PCS_COMMON_OFFSET 0xc000 +#define SIERRA_PHY_PIPE_CMN_CTRL1 0x0 #define SIERRA_PHY_PLL_CFG 0xe #define SIERRA_MACRO_ID 0x00007364 @@ -251,6 +252,8 @@ struct cdns_sierra_data { u32 id_value; u8 block_offset_shift; u8 reg_offset_shift; + struct cdns_sierra_vals *pcs_cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] + [NUM_SSC_MODE]; struct cdns_sierra_vals *pma_cmn_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] [NUM_SSC_MODE]; struct cdns_sierra_vals *pma_ln_vals[NUM_PHY_TYPE][NUM_PHY_TYPE] @@ -321,6 +324,7 @@ static int cdns_sierra_phy_init(struct phy *gphy) enum cdns_sierra_phy_type phy_type = ins->phy_type; enum cdns_sierra_ssc_mode ssc = ins->ssc_mode; const struct cdns_reg_pairs *reg_pairs; + struct cdns_sierra_vals *pcs_cmn_vals; struct regmap *regmap = phy->regmap; u32 num_regs; int i, j; @@ -332,6 +336,16 @@ static int cdns_sierra_phy_init(struct phy *gphy) clk_set_rate(phy->input_clks[CMN_REFCLK_DIG_DIV], 25000000); clk_set_rate(phy->input_clks[CMN_REFCLK1_DIG_DIV], 25000000); + /* PHY PCS common registers configurations */ + pcs_cmn_vals = init_data->pcs_cmn_vals[phy_type][TYPE_NONE][ssc]; + if (pcs_cmn_vals) { + reg_pairs = pcs_cmn_vals->reg_pairs; + num_regs = pcs_cmn_vals->num_regs; + regmap = phy->regmap_phy_pcs_common_cdb; + for (i = 0; i < num_regs; i++) + regmap_write(regmap, reg_pairs[i].off, reg_pairs[i].val); + } + /* PMA common registers configurations */ pma_cmn_vals = init_data->pma_cmn_vals[phy_type][TYPE_NONE][ssc]; if (pma_cmn_vals) { @@ -887,6 +901,16 @@ static int cdns_sierra_phy_remove(struct udevice *dev) return 0; } +/* PCIE PHY PCS common configuration */ +static struct cdns_reg_pairs pcie_phy_pcs_cmn_regs[] = { + {0x0430, SIERRA_PHY_PIPE_CMN_CTRL1} +}; + +static struct cdns_sierra_vals pcie_phy_pcs_cmn_vals = { + .reg_pairs = pcie_phy_pcs_cmn_regs, + .num_regs = ARRAY_SIZE(pcie_phy_pcs_cmn_regs), +}; + /* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */ static struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = { {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG}, @@ -1038,6 +1062,13 @@ static const struct cdns_sierra_data cdns_map_sierra = { .id_value = SIERRA_MACRO_ID, .block_offset_shift = 0x2, .reg_offset_shift = 0x2, + .pcs_cmn_vals = { + [TYPE_PCIE] = { + [TYPE_NONE] = { + [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, + }, + }, + }, .pma_cmn_vals = { [TYPE_PCIE] = { [TYPE_NONE] = { @@ -1068,6 +1099,13 @@ static const struct cdns_sierra_data cdns_ti_map_sierra = { .id_value = SIERRA_MACRO_ID, .block_offset_shift = 0x0, .reg_offset_shift = 0x1, + .pcs_cmn_vals = { + [TYPE_PCIE] = { + [TYPE_NONE] = { + [EXTERNAL_SSC] = &pcie_phy_pcs_cmn_vals, + }, + }, + }, .pma_cmn_vals = { [TYPE_PCIE] = { [TYPE_NONE] = { |