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-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw.h1
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c24
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c187
3 files changed, 183 insertions, 29 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index 51b55694a1f6..a2d416b24ffc 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -100,6 +100,7 @@ struct aq_stats_s {
struct aq_hw_s {
atomic_t flags;
+ u8 rbl_enabled:1;
struct aq_nic_cfg_s *aq_nic_cfg;
const struct aq_fw_ops *aq_fw_ops;
void __iomem *mmio;
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 29abbc2588c6..819f6bcf9b4e 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -87,32 +87,14 @@ static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
{
int err = 0;
- hw_atl_glb_glb_reg_res_dis_set(self, 1U);
- hw_atl_pci_pci_reg_res_dis_set(self, 0U);
- hw_atl_rx_rx_reg_res_dis_set(self, 0U);
- hw_atl_tx_tx_reg_res_dis_set(self, 0U);
-
- HW_ATL_FLUSH();
- hw_atl_glb_soft_res_set(self, 1);
-
- /* check 10 times by 1ms */
- AQ_HW_WAIT_FOR(hw_atl_glb_soft_res_get(self) == 0, 1000U, 10U);
- if (err < 0)
- goto err_exit;
-
- hw_atl_itr_irq_reg_res_dis_set(self, 0U);
- hw_atl_itr_res_irq_set(self, 1U);
-
- /* check 10 times by 1ms */
- AQ_HW_WAIT_FOR(hw_atl_itr_res_irq_get(self) == 0, 1000U, 10U);
- if (err < 0)
- goto err_exit;
+ err = hw_atl_utils_soft_reset(self);
+ if (err)
+ return err;
self->aq_fw_ops->set_state(self, MPI_RESET);
err = aq_hw_err_from_flags(self);
-err_exit:
return err;
}
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 56fb048c4ddc..967f0fd07fcf 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
@@ -31,32 +31,45 @@
#define HW_ATL_MPI_SPEED_MSK 0xFFFF0000U
#define HW_ATL_MPI_SPEED_SHIFT 16U
+#define HW_ATL_MPI_DAISY_CHAIN_STATUS 0x704
+#define HW_ATL_MPI_BOOT_EXIT_CODE 0x388
+
+#define HW_ATL_MAC_PHY_CONTROL 0x4000
+#define HW_ATL_MAC_PHY_MPI_RESET_BIT 0x1D
+
#define HW_ATL_FW_VER_1X 0x01050006U
#define HW_ATL_FW_VER_2X 0x02000000U
#define HW_ATL_FW_VER_3X 0x03000000U
+#define FORCE_FLASHLESS 0
+
static int hw_atl_utils_ver_match(u32 ver_expected, u32 ver_actual);
int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
{
int err = 0;
+ err = hw_atl_utils_soft_reset(self);
+ if (err)
+ return err;
+
hw_atl_utils_hw_chip_features_init(self,
&self->chip_features);
hw_atl_utils_get_fw_version(self, &self->fw_ver_actual);
- if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X, self->fw_ver_actual) == 0)
+ if (hw_atl_utils_ver_match(HW_ATL_FW_VER_1X,
+ self->fw_ver_actual) == 0) {
*fw_ops = &aq_fw_1x_ops;
- else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_2X,
- self->fw_ver_actual) == 0)
+ } else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_2X,
+ self->fw_ver_actual) == 0) {
*fw_ops = &aq_fw_2x_ops;
- else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_3X,
- self->fw_ver_actual) == 0)
+ } else if (hw_atl_utils_ver_match(HW_ATL_FW_VER_3X,
+ self->fw_ver_actual) == 0) {
*fw_ops = &aq_fw_2x_ops;
- else {
+ } else {
aq_pr_err("Bad FW version detected: %x\n",
- self->fw_ver_actual);
+ self->fw_ver_actual);
return -EOPNOTSUPP;
}
self->aq_fw_ops = *fw_ops;
@@ -64,6 +77,164 @@ int hw_atl_utils_initfw(struct aq_hw_s *self, const struct aq_fw_ops **fw_ops)
return err;
}
+static int hw_atl_utils_soft_reset_flb(struct aq_hw_s *self)
+{
+ 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);
+
+ 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);
+
+ /* Kickstart MAC */
+ aq_hw_write_reg(self, 0x404, 0x80e0);
+ aq_hw_write_reg(self, 0x32a8, 0x0);
+ aq_hw_write_reg(self, 0x520, 0x1);
+ AQ_HW_SLEEP(10);
+ aq_hw_write_reg(self, 0x404, 0x180e0);
+
+ for (k = 0; k < 1000; k++) {
+ u32 flb_status = aq_hw_read_reg(self,
+ HW_ATL_MPI_DAISY_CHAIN_STATUS);
+
+ flb_status = flb_status & 0x10;
+ if (flb_status)
+ break;
+ AQ_HW_SLEEP(10);
+ }
+ if (k == 1000) {
+ aq_pr_err("MAC kickstart failed\n");
+ return -EIO;
+ }
+
+ /* FW reset */
+ aq_hw_write_reg(self, 0x404, 0x80e0);
+ AQ_HW_SLEEP(50);
+ aq_hw_write_reg(self, 0x3a0, 0x1);
+
+ /* Kickstart PHY - skipped */
+
+ /* Global software reset*/
+ hw_atl_rx_rx_reg_res_dis_set(self, 0U);
+ hw_atl_tx_tx_reg_res_dis_set(self, 0U);
+ aq_hw_write_reg_bit(self, HW_ATL_MAC_PHY_CONTROL,
+ BIT(HW_ATL_MAC_PHY_MPI_RESET_BIT),
+ HW_ATL_MAC_PHY_MPI_RESET_BIT, 0x0);
+ 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);
+
+ for (k = 0; k < 1000; k++) {
+ u32 fw_state = aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
+
+ if (fw_state)
+ break;
+ AQ_HW_SLEEP(10);
+ }
+ if (k == 1000) {
+ aq_pr_err("FW kickstart failed\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int hw_atl_utils_soft_reset_rbl(struct aq_hw_s *self)
+{
+ u32 gsr, rbl_status;
+ int k;
+
+ aq_hw_write_reg(self, 0x404, 0x40e1);
+ aq_hw_write_reg(self, 0x3a0, 0x1);
+ aq_hw_write_reg(self, 0x32a8, 0x0);
+
+ /* Alter RBL status */
+ aq_hw_write_reg(self, 0x388, 0xDEAD);
+
+ /* Global software reset*/
+ hw_atl_rx_rx_reg_res_dis_set(self, 0U);
+ hw_atl_tx_tx_reg_res_dis_set(self, 0U);
+ aq_hw_write_reg_bit(self, HW_ATL_MAC_PHY_CONTROL,
+ BIT(HW_ATL_MAC_PHY_MPI_RESET_BIT),
+ HW_ATL_MAC_PHY_MPI_RESET_BIT, 0x0);
+ gsr = aq_hw_read_reg(self, HW_ATL_GLB_SOFT_RES_ADR);
+ aq_hw_write_reg(self, HW_ATL_GLB_SOFT_RES_ADR,
+ (gsr & 0xFFFFBFFF) | 0x8000);
+
+ if (FORCE_FLASHLESS)
+ aq_hw_write_reg(self, 0x534, 0x0);
+
+ aq_hw_write_reg(self, 0x404, 0x40e0);
+
+ /* Wait for RBL boot */
+ for (k = 0; k < 1000; k++) {
+ rbl_status = aq_hw_read_reg(self, 0x388) & 0xFFFF;
+ if (rbl_status && rbl_status != 0xDEAD)
+ break;
+ AQ_HW_SLEEP(10);
+ }
+ if (!rbl_status || rbl_status == 0xDEAD) {
+ aq_pr_err("RBL Restart failed");
+ return -EIO;
+ }
+
+ /* Restore NVR */
+ if (FORCE_FLASHLESS)
+ aq_hw_write_reg(self, 0x534, 0xA0);
+
+ if (rbl_status == 0xF1A7) {
+ aq_pr_err("No FW detected. Dynamic FW load not implemented\n");
+ return -ENOTSUPP;
+ }
+
+ for (k = 0; k < 1000; k++) {
+ u32 fw_state = aq_hw_read_reg(self, HW_ATL_MPI_FW_VERSION);
+
+ if (fw_state)
+ break;
+ AQ_HW_SLEEP(10);
+ }
+ if (k == 1000) {
+ aq_pr_err("FW kickstart failed\n");
+ return -EIO;
+ }
+
+ return 0;
+}
+
+int hw_atl_utils_soft_reset(struct aq_hw_s *self)
+{
+ int k;
+ u32 boot_exit_code = 0;
+
+ for (k = 0; k < 1000; ++k) {
+ u32 flb_status = aq_hw_read_reg(self,
+ HW_ATL_MPI_DAISY_CHAIN_STATUS);
+ boot_exit_code = aq_hw_read_reg(self,
+ HW_ATL_MPI_BOOT_EXIT_CODE);
+ if (flb_status != 0x06000000 || boot_exit_code != 0)
+ break;
+ }
+
+ if (k == 1000) {
+ aq_pr_err("Neither RBL nor FLB firmware started\n");
+ return -EOPNOTSUPP;
+ }
+
+ self->rbl_enabled = (boot_exit_code != 0);
+
+ if (self->rbl_enabled)
+ return hw_atl_utils_soft_reset_rbl(self);
+ else
+ return hw_atl_utils_soft_reset_flb(self);
+}
+
int hw_atl_utils_fw_downld_dwords(struct aq_hw_s *self, u32 a,
u32 *p, u32 cnt)
{
@@ -598,7 +769,7 @@ int hw_atl_utils_hw_get_regs(struct aq_hw_s *self,
for (i = 0; i < aq_hw_caps->mac_regs_count; i++)
regs_buff[i] = aq_hw_read_reg(self,
- hw_atl_utils_hw_mac_regs[i]);
+ hw_atl_utils_hw_mac_regs[i]);
return 0;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-22 23:22:15 +0000