diff options
Diffstat (limited to 'drivers/phy')
-rw-r--r-- | drivers/phy/marvell/comphy_cp110.c | 35 | ||||
-rw-r--r-- | drivers/phy/marvell/utmi_phy.h | 10 |
2 files changed, 32 insertions, 13 deletions
diff --git a/drivers/phy/marvell/comphy_cp110.c b/drivers/phy/marvell/comphy_cp110.c index 489a17c76f..349109b6dc 100644 --- a/drivers/phy/marvell/comphy_cp110.c +++ b/drivers/phy/marvell/comphy_cp110.c @@ -55,6 +55,7 @@ DECLARE_GLOBAL_DATA_PTR; #define COMPHY_UNIT_ID3 3 struct utmi_phy_data { + void __iomem *utmi_pll_addr; void __iomem *utmi_base_addr; void __iomem *usb_cfg_addr; void __iomem *utmi_cfg_addr; @@ -264,7 +265,8 @@ static void comphy_utmi_power_down(u32 utmi_index, void __iomem *utmi_base_addr, return; } -static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr, +static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_pll_addr, + void __iomem *utmi_base_addr, void __iomem *usb_cfg_addr, void __iomem *utmi_cfg_addr, u32 utmi_phy_port) @@ -282,10 +284,10 @@ static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr, /* Select LPFR - 0x0 for 25Mhz/5=5Mhz*/ mask |= UTMI_PLL_CTRL_SEL_LPFR_MASK; data |= 0x0 << UTMI_PLL_CTRL_SEL_LPFR_OFFSET; - reg_set(utmi_base_addr + UTMI_PLL_CTRL_REG, data, mask); + reg_set(utmi_pll_addr + UTMI_PLL_CTRL_REG, data, mask); /* Impedance Calibration Threshold Setting */ - reg_set(utmi_base_addr + UTMI_CALIB_CTRL_REG, + reg_set(utmi_pll_addr + UTMI_CALIB_CTRL_REG, 0x7 << UTMI_CALIB_CTRL_IMPCAL_VTH_OFFSET, UTMI_CALIB_CTRL_IMPCAL_VTH_MASK); @@ -322,7 +324,8 @@ static void comphy_utmi_phy_config(u32 utmi_index, void __iomem *utmi_base_addr, return; } -static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr, +static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_pll_addr, + void __iomem *utmi_base_addr, void __iomem *usb_cfg_addr, void __iomem *utmi_cfg_addr, u32 utmi_phy_port) { @@ -341,7 +344,7 @@ static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr, UTMI_CTRL_STATUS0_TEST_SEL_MASK); debug("stage: Polling for PLL and impedance calibration done, and PLL ready done\n"); - addr = utmi_base_addr + UTMI_CALIB_CTRL_REG; + addr = utmi_pll_addr + UTMI_CALIB_CTRL_REG; data = UTMI_CALIB_CTRL_IMPCAL_DONE_MASK; mask = data; data = polling_with_timeout(addr, data, mask, 100); @@ -360,7 +363,7 @@ static int comphy_utmi_power_up(u32 utmi_index, void __iomem *utmi_base_addr, ret = 0; } - addr = utmi_base_addr + UTMI_PLL_CTRL_REG; + addr = utmi_pll_addr + UTMI_PLL_CTRL_REG; data = UTMI_PLL_CTRL_PLL_RDY_MASK; mask = data; data = polling_with_timeout(addr, data, mask, 100); @@ -411,14 +414,16 @@ static void comphy_utmi_phy_init(u32 utmi_phy_count, } /* UTMI configure */ for (i = 0; i < utmi_phy_count; i++) { - comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_base_addr, + comphy_utmi_phy_config(i, cp110_utmi_data[i].utmi_pll_addr, + cp110_utmi_data[i].utmi_base_addr, cp110_utmi_data[i].usb_cfg_addr, cp110_utmi_data[i].utmi_cfg_addr, cp110_utmi_data[i].utmi_phy_port); } /* UTMI Power up */ for (i = 0; i < utmi_phy_count; i++) { - if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_base_addr, + if (!comphy_utmi_power_up(i, cp110_utmi_data[i].utmi_pll_addr, + cp110_utmi_data[i].utmi_base_addr, cp110_utmi_data[i].usb_cfg_addr, cp110_utmi_data[i].utmi_cfg_addr, cp110_utmi_data[i].utmi_phy_port)) { @@ -453,6 +458,7 @@ void comphy_dedicated_phys_init(void) struct utmi_phy_data cp110_utmi_data[MAX_UTMI_PHY_COUNT]; int node = -1; int node_idx; + int parent = -1; debug_enter(); debug("Initialize USB UTMI PHYs\n"); @@ -468,6 +474,19 @@ void comphy_dedicated_phys_init(void) if (!fdtdec_get_is_enabled(gd->fdt_blob, node)) continue; + parent = fdt_parent_offset(gd->fdt_blob, node); + if (parent <= 0) + break; + + /* get base address of UTMI PLL */ + cp110_utmi_data[node_idx].utmi_pll_addr = + (void __iomem *)fdtdec_get_addr_size_auto_noparent( + gd->fdt_blob, parent, "reg", 0, NULL, true); + if (!cp110_utmi_data[node_idx].utmi_pll_addr) { + pr_err("UTMI PHY PLL address is invalid\n"); + continue; + } + /* get base address of UTMI phy */ cp110_utmi_data[node_idx].utmi_base_addr = (void __iomem *)fdtdec_get_addr_size_auto_noparent( diff --git a/drivers/phy/marvell/utmi_phy.h b/drivers/phy/marvell/utmi_phy.h index fa6bf3c914..d1cad07cf5 100644 --- a/drivers/phy/marvell/utmi_phy.h +++ b/drivers/phy/marvell/utmi_phy.h @@ -45,7 +45,7 @@ #define UTMI_CALIB_CTRL_PLLCAL_DONE_MASK \ (0x1 << UTMI_CALIB_CTRL_PLLCAL_DONE_OFFSET) -#define UTMI_TX_CH_CTRL_REG 0xC +#define UTMI_TX_CH_CTRL_REG 0x0 #define UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET 12 #define UTMI_TX_CH_CTRL_DRV_EN_LS_MASK \ (0xf << UTMI_TX_CH_CTRL_DRV_EN_LS_OFFSET) @@ -56,7 +56,7 @@ #define UTMI_TX_CH_CTRL_AMP_MASK \ (0x7 << UTMI_TX_CH_CTRL_AMP_OFFSET) -#define UTMI_RX_CH_CTRL0_REG 0x14 +#define UTMI_RX_CH_CTRL0_REG 0x8 #define UTMI_RX_CH_CTRL0_SQ_DET_OFFSET 15 #define UTMI_RX_CH_CTRL0_SQ_DET_MASK \ (0x1 << UTMI_RX_CH_CTRL0_SQ_DET_OFFSET) @@ -64,7 +64,7 @@ #define UTMI_RX_CH_CTRL0_SQ_ANA_DTC_MASK \ (0x1 << UTMI_RX_CH_CTRL0_SQ_ANA_DTC_OFFSET) -#define UTMI_RX_CH_CTRL1_REG 0x18 +#define UTMI_RX_CH_CTRL1_REG 0xc #define UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET 0 #define UTMI_RX_CH_CTRL1_SQ_AMP_CAL_MASK \ (0x7 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_OFFSET) @@ -72,7 +72,7 @@ #define UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_MASK \ (0x1 << UTMI_RX_CH_CTRL1_SQ_AMP_CAL_EN_OFFSET) -#define UTMI_CTRL_STATUS0_REG 0x24 +#define UTMI_CTRL_STATUS0_REG 0x18 #define UTMI_CTRL_STATUS0_SUSPENDM_OFFSET 22 #define UTMI_CTRL_STATUS0_SUSPENDM_MASK \ (0x1 << UTMI_CTRL_STATUS0_SUSPENDM_OFFSET) @@ -80,7 +80,7 @@ #define UTMI_CTRL_STATUS0_TEST_SEL_MASK \ (0x1 << UTMI_CTRL_STATUS0_TEST_SEL_OFFSET) -#define UTMI_CHGDTC_CTRL_REG 0x38 +#define UTMI_CHGDTC_CTRL_REG 0x2c #define UTMI_CHGDTC_CTRL_VDAT_OFFSET 8 #define UTMI_CHGDTC_CTRL_VDAT_MASK \ (0x3 << UTMI_CHGDTC_CTRL_VDAT_OFFSET) |