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ramips: mt7620: ethernet: use more macros and bump version

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Define and use some missing macros,
and use them instead of BIT() or numbers for more readable code.

Add comment for a bit change that seems unrelated to ethernet
but is actually needed (PCIe Root Complex mode).

Remove unknown and unused macro RST_CTRL_MCM
(probably from MT7621 / MT7622)

This is the last of a series of fixes, so bump version.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
(cherry picked from commit 88a0cebadf)
This commit is contained in:
Michael Pratt 2021-05-01 14:47:01 -04:00 committed by Petr Štetiar
parent 3f976d0225
commit 30e47fb1e4
4 changed files with 11 additions and 7 deletions
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8
target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.c
View File

@ -65,9 +65,11 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw)
{
u32 i;
u32 val;
u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
u32 is_BGA = (rt_sysc_r32(SYSC_REG_CHIP_REV_ID) >> 16) & 1;
/* Internal ethernet requires PCIe RC mode */
rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | PCIE_RC_MODE, SYSC_REG_CFG1);
rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
/* Enable MIB stats */
@ -83,7 +85,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw)
mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_GPC1) |
(gsw->ephy_base << 16),
GSW_REG_GPC1);
fe_reset(BIT(24)); /* Resets the Ethernet PHY block. */
fe_reset(MT7620A_RESET_EPHY);
pr_info("gsw: ephy base address: %d\n", gsw->ephy_base);
}

2
target/linux/ramips/files/drivers/net/ethernet/ralink/gsw_mt7620.h
View File

@ -55,7 +55,7 @@
#define SYSC_REG_CHIP_REV_ID 0x0c
#define SYSC_REG_CFG1 0x14
#define RST_CTRL_MCM BIT(2)
#define PCIE_RC_MODE BIT(8)
#define SYSC_PAD_RGMII2_MDIO 0x58
#define SYSC_GPIO_MODE 0x60

6
target/linux/ramips/files/drivers/net/ethernet/ralink/mtk_eth_soc.h
View File

@ -49,7 +49,7 @@ enum fe_work_flag {
FE_FLAG_MAX
};
#define MTK_FE_DRV_VERSION "0.1.2"
#define MTK_FE_DRV_VERSION "0.2"
/* power of 2 to let NEXT_TX_DESP_IDX work */
#define NUM_DMA_DESC BIT(10)
@ -157,6 +157,10 @@ enum fe_work_flag {
#define MT7620A_FE_GDMA1_MAC_ADRL (MT7620A_GDMA_OFFSET + 0x0C)
#define MT7620A_FE_GDMA1_MAC_ADRH (MT7620A_GDMA_OFFSET + 0x10)
#define MT7620A_RESET_FE BIT(21)
#define MT7620A_RESET_ESW BIT(23)
#define MT7620A_RESET_EPHY BIT(24)
#define RT5350_TX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x00)
#define RT5350_TX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x04)
#define RT5350_TX_CTX_IDX0 (RT5350_PDMA_OFFSET + 0x08)

2
target/linux/ramips/files/drivers/net/ethernet/ralink/soc_mt7620.c
View File

@ -27,8 +27,6 @@
#define MT7620A_CDMA_CSG_CFG 0x400
#define MT7620_DMA_VID (MT7620A_CDMA_CSG_CFG | 0x30)
#define MT7620A_RESET_FE BIT(21)
#define MT7620A_RESET_ESW BIT(23)
#define MT7620_L4_VALID BIT(23)
#define MT7620_TX_DMA_UDF BIT(15)