diff options
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v3_hw.c')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 0a80a39eccdd..a043d9cdbf48 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -107,6 +107,10 @@ #define AWQOS_AWCACHE_CFG 0xc84 #define ARQOS_ARCACHE_CFG 0xc88 #define HILINK_ERR_DFX 0xe04 +#define SAS_GPIO_CFG_0 0x1000 +#define SAS_GPIO_CFG_1 0x1004 +#define SAS_GPIO_TX_0_1 0x1040 +#define SAS_CFG_DRIVE_VLD 0x1070 /* phy registers requiring init */ #define PORT_BASE (0x2000) @@ -549,6 +553,14 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) hisi_sas_write32(hisi_hba, SAS_RAS_INTR1_MASK, 0x0); hisi_sas_write32(hisi_hba, SAS_RAS_INTR2_MASK, 0x0); hisi_sas_write32(hisi_hba, CFG_SAS_RAS_INTR_MASK, 0x0); + + /* LED registers init */ + hisi_sas_write32(hisi_hba, SAS_CFG_DRIVE_VLD, 0x80000ff); + hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1, 0x80808080); + hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1 + 0x4, 0x80808080); + /* Configure blink generator rate A to 1Hz and B to 4Hz */ + hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_1, 0x121700); + hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_0, 0x800000); } static void config_phy_opt_mode_v3_hw(struct hisi_hba *hisi_hba, int phy_no) @@ -1974,6 +1986,35 @@ static int soft_reset_v3_hw(struct hisi_hba *hisi_hba) return hw_init_v3_hw(hisi_hba); } +static int write_gpio_v3_hw(struct hisi_hba *hisi_hba, u8 reg_type, + u8 reg_index, u8 reg_count, u8 *write_data) +{ + struct device *dev = hisi_hba->dev; + u32 *data = (u32 *)write_data; + int i; + + switch (reg_type) { + case SAS_GPIO_REG_TX: + if ((reg_index + reg_count) > ((hisi_hba->n_phy + 3) / 4)) { + dev_err(dev, "write gpio: invalid reg range[%d, %d]\n", + reg_index, reg_index + reg_count - 1); + return -EINVAL; + } + + for (i = 0; i < reg_count; i++) + hisi_sas_write32(hisi_hba, + SAS_GPIO_TX_0_1 + (reg_index + i) * 4, + data[i]); + break; + default: + dev_err(dev, "write gpio: unsupported or bad reg type %d\n", + reg_type); + return -EINVAL; + } + + return 0; +} + static const struct hisi_sas_hw hisi_sas_v3_hw = { .hw_init = hisi_sas_v3_init, .setup_itct = setup_itct_v3_hw, @@ -1999,6 +2040,7 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = { .soft_reset = soft_reset_v3_hw, .get_phys_state = get_phys_state_v3_hw, .get_events = phy_get_events_v3_hw, + .write_gpio = write_gpio_v3_hw, }; static struct Scsi_Host * |