diff options
| author | Rabeeh Khoury <rabeeh@solid-run.com> | 2018-09-06 12:37:48 +0300 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2018-09-19 13:54:27 +0200 |
| commit | d13b740ca621531fc3d86b33feed24592be0bd18 (patch) | |
| tree | b417c74697c78a46bb00ec1fbe1ead57f26c61ca /drivers | |
| parent | 3c2a3897e85177655134110bc32e04be668b1de8 (diff) | |
phy: marvell: add SATA comphy RX/TX polarity invert support
This patch adds support to Armada 7k/8k comphy RX/TX lane swap. The
'phy-invert' DT property defines the inverted signals.
Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/phy/marvell/comphy_cp110.c | 19 | ||||
| -rw-r--r-- | drivers/phy/marvell/comphy_hpipe.h | 6 |
2 files changed, 23 insertions, 2 deletions
diff --git a/drivers/phy/marvell/comphy_cp110.c b/drivers/phy/marvell/comphy_cp110.c index 6a60da3df0..9998c07a47 100644 --- a/drivers/phy/marvell/comphy_cp110.c +++ b/drivers/phy/marvell/comphy_cp110.c @@ -641,7 +641,8 @@ static int comphy_usb3_power_up(u32 lane, void __iomem *hpipe_base, } static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base, - void __iomem *comphy_base, int cp_index) + void __iomem *comphy_base, int cp_index, + u32 invert) { u32 mask, data, i, ret = 1; void __iomem *hpipe_addr = HPIPE_ADDR(hpipe_base, lane); @@ -927,6 +928,19 @@ static int comphy_sata_power_up(u32 lane, void __iomem *hpipe_base, reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 0x0 << HPIPE_PWR_CTR_RST_DFE_OFFSET, HPIPE_PWR_CTR_RST_DFE_MASK); + + /* Set RX / TX swaps */ + data = mask = 0; + if (invert & PHY_POLARITY_TXD_INVERT) { + data |= (1 << HPIPE_SYNC_PATTERN_TXD_SWAP_OFFSET); + mask |= HPIPE_SYNC_PATTERN_TXD_SWAP_MASK; + } + if (invert & PHY_POLARITY_RXD_INVERT) { + data |= (1 << HPIPE_SYNC_PATTERN_RXD_SWAP_OFFSET); + mask |= HPIPE_SYNC_PATTERN_RXD_SWAP_MASK; + } + reg_set(hpipe_addr + HPIPE_SYNC_PATTERN_REG, data, mask); + /* SW reset for interupt logic */ reg_set(hpipe_addr + HPIPE_PWR_CTR_REG, 0x1 << HPIPE_PWR_CTR_SFT_RST_OFFSET, @@ -2006,7 +2020,8 @@ int comphy_cp110_init(struct chip_serdes_phy_config *ptr_chip_cfg, case PHY_TYPE_SATA3: ret = comphy_sata_power_up( lane, hpipe_base_addr, comphy_base_addr, - ptr_chip_cfg->cp_index); + ptr_chip_cfg->cp_index, + serdes_map[lane].invert); break; case PHY_TYPE_USB3_HOST0: case PHY_TYPE_USB3_HOST1: diff --git a/drivers/phy/marvell/comphy_hpipe.h b/drivers/phy/marvell/comphy_hpipe.h index d99da7b9ff..a692035c94 100644 --- a/drivers/phy/marvell/comphy_hpipe.h +++ b/drivers/phy/marvell/comphy_hpipe.h @@ -221,6 +221,12 @@ (0x7 << HPIPE_LOOPBACK_SEL_OFFSET) #define HPIPE_SYNC_PATTERN_REG 0x090 +#define HPIPE_SYNC_PATTERN_TXD_SWAP_OFFSET 10 +#define HPIPE_SYNC_PATTERN_TXD_SWAP_MASK \ + (0x1 << HPIPE_SYNC_PATTERN_TXD_SWAP_OFFSET) +#define HPIPE_SYNC_PATTERN_RXD_SWAP_OFFSET 11 +#define HPIPE_SYNC_PATTERN_RXD_SWAP_MASK \ + (0x1 << HPIPE_SYNC_PATTERN_RXD_SWAP_OFFSET) #define HPIPE_INTERFACE_REG 0x94 #define HPIPE_INTERFACE_GEN_MAX_OFFSET 10 |