diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c index 967f0fd07fcf..fcb3279ff9c7 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c @@ -79,16 +79,15 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops) static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) { + u32 gsr, val; int k = 0; - u32 gsr; aq_hw_write_reg(self, 0x404, 0x40e1); AQ_HW_SLEEP(50); /* Cleanup SPI */ - aq_hw_write_reg(self, 0x534, 0xA0); - aq_hw_write_reg(self, 0x100, 0x9F); - aq_hw_write_reg(self, 0x100, 0x809F); + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR); aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR, (gsr & 0xBFFF) | 0x8000); @@ -97,7 +96,14 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) aq_hw_write_reg(self, 0x404, 0x80e0); aq_hw_write_reg(self, 0x32a8, 0x0); aq_hw_write_reg(self, 0x520, 0x1); + + /* Reset SPI again because of possible interrupted SPI burst */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); AQ_HW_SLEEP(10); + /* Clear SPI reset state */ + aq_hw_write_reg(self, 0x53C, val & ~0x10); + aq_hw_write_reg(self, 0x404, 0x180e0); for (k = 0; k < 1000; k++) { @@ -147,7 +153,7 @@ static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self) static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) { - u32 gsr, rbl_status; + u32 gsr, val, rbl_status; int k; aq_hw_write_reg(self, 0x404, 0x40e1); @@ -157,6 +163,10 @@ static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self) /* Alter RBL status */ aq_hw_write_reg(self, 0x388, 0xDEAD); + /* Cleanup SPI */ + val = aq_hw_read_reg(self, 0x53C); + aq_hw_write_reg(self, 0x53C, val | 0x10); + /* Global software reset*/ hw_atl_rx_rx_reg_res_dis_set(self, 0U); hw_atl_tx_tx_reg_res_dis_set(self, 0U); |