From: Rabeeh Khoury rabeeh@solid-run.com
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 --- drivers/phy/marvell/comphy_cp110.c | 19 +++++++++++++++++-- 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 b0d5d5ca26b9..7dd968f00d79 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 d99da7b9ffcd..a692035c9417 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