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-rw-r--r--drivers/net/ag7xxx.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/ag7xxx.c b/drivers/net/ag7xxx.c
index cf60d11..30771b9 100644
--- a/drivers/net/ag7xxx.c
+++ b/drivers/net/ag7xxx.c
@@ -26,6 +26,7 @@ enum ag7xxx_model {
AG7XXX_MODEL_AG934X,
};
+/* MAC Configuration 1 */
#define AG7XXX_ETH_CFG1 0x00
#define AG7XXX_ETH_CFG1_SOFT_RST BIT(31)
#define AG7XXX_ETH_CFG1_RX_RST BIT(19)
@@ -34,6 +35,7 @@ enum ag7xxx_model {
#define AG7XXX_ETH_CFG1_RX_EN BIT(2)
#define AG7XXX_ETH_CFG1_TX_EN BIT(0)
+/* MAC Configuration 2 */
#define AG7XXX_ETH_CFG2 0x04
#define AG7XXX_ETH_CFG2_IF_1000 BIT(9)
#define AG7XXX_ETH_CFG2_IF_10_100 BIT(8)
@@ -43,26 +45,34 @@ enum ag7xxx_model {
#define AG7XXX_ETH_CFG2_PAD_CRC_EN BIT(2)
#define AG7XXX_ETH_CFG2_FDX BIT(0)
+/* MII Configuration */
#define AG7XXX_ETH_MII_MGMT_CFG 0x20
#define AG7XXX_ETH_MII_MGMT_CFG_RESET BIT(31)
+/* MII Command */
#define AG7XXX_ETH_MII_MGMT_CMD 0x24
#define AG7XXX_ETH_MII_MGMT_CMD_READ 0x1
+/* MII Address */
#define AG7XXX_ETH_MII_MGMT_ADDRESS 0x28
#define AG7XXX_ETH_MII_MGMT_ADDRESS_SHIFT 8
+/* MII Control */
#define AG7XXX_ETH_MII_MGMT_CTRL 0x2c
+/* MII Status */
#define AG7XXX_ETH_MII_MGMT_STATUS 0x30
+/* MII Indicators */
#define AG7XXX_ETH_MII_MGMT_IND 0x34
#define AG7XXX_ETH_MII_MGMT_IND_INVALID BIT(2)
#define AG7XXX_ETH_MII_MGMT_IND_BUSY BIT(0)
+/* STA Address 1 & 2 */
#define AG7XXX_ETH_ADDR1 0x40
#define AG7XXX_ETH_ADDR2 0x44
+/* ETH Configuration 0 - 5 */
#define AG7XXX_ETH_FIFO_CFG_0 0x48
#define AG7XXX_ETH_FIFO_CFG_1 0x4c
#define AG7XXX_ETH_FIFO_CFG_2 0x50
@@ -70,18 +80,24 @@ enum ag7xxx_model {
#define AG7XXX_ETH_FIFO_CFG_4 0x58
#define AG7XXX_ETH_FIFO_CFG_5 0x5c
+/* DMA Transfer Control for Queue 0 */
#define AG7XXX_ETH_DMA_TX_CTRL 0x180
#define AG7XXX_ETH_DMA_TX_CTRL_TXE BIT(0)
+/* Descriptor Address for Queue 0 Tx */
#define AG7XXX_ETH_DMA_TX_DESC 0x184
+/* DMA Tx Status */
#define AG7XXX_ETH_DMA_TX_STATUS 0x188
+/* Rx Control */
#define AG7XXX_ETH_DMA_RX_CTRL 0x18c
#define AG7XXX_ETH_DMA_RX_CTRL_RXE BIT(0)
+/* Pointer to Rx Descriptor */
#define AG7XXX_ETH_DMA_RX_DESC 0x190
+/* Rx Status */
#define AG7XXX_ETH_DMA_RX_STATUS 0x194
/* Custom register at 0x18070000 */