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add ethernet support for rt5350

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SVN-Revision: 33548
This commit is contained in:
John Crispin 2012-09-25 14:47:08 +00:00
parent af0cd76937
commit 34d57ebd8b
2 changed files with 106 additions and 18 deletions
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54
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_eth.h
View File

@ -54,6 +54,9 @@
#define RAMIPS_TX_DLY_INT BIT(1)
#define RAMIPS_RX_DLY_INT BIT(0)
#define RT5350_RX_DLY_INT BIT(30)
#define RT5350_TX_DLY_INT BIT(28)
/* registers */
#define RAMIPS_FE_OFFSET 0x0000
#define RAMIPS_GDMA_OFFSET 0x0020
@ -65,6 +68,9 @@
#define RAMIPS_CMTABLE_OFFSET 0x0400
#define RAMIPS_POLICYTABLE_OFFSET 0x1000
#define RT5350_PDMA_OFFSET 0x0800
#define RT5350_SDM_OFFSET 0x0c00
#define RAMIPS_MDIO_ACCESS (RAMIPS_FE_OFFSET + 0x00)
#define RAMIPS_MDIO_CFG (RAMIPS_FE_OFFSET + 0x04)
#define RAMIPS_FE_GLO_CFG (RAMIPS_FE_OFFSET + 0x08)
@ -94,6 +100,38 @@
#define RAMIPS_CDMA_CSG_CFG (RAMIPS_CDMA_OFFSET + 0x00)
#define RAMIPS_CDMA_SCH_CFG (RAMIPS_CDMA_OFFSET + 0x04)
#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)
#define RT5350_TX_DTX_IDX0 (RT5350_PDMA_OFFSET + 0x0C)
#define RT5350_TX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x10)
#define RT5350_TX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x14)
#define RT5350_TX_CTX_IDX1 (RT5350_PDMA_OFFSET + 0x18)
#define RT5350_TX_DTX_IDX1 (RT5350_PDMA_OFFSET + 0x1C)
#define RT5350_TX_BASE_PTR2 (RT5350_PDMA_OFFSET + 0x20)
#define RT5350_TX_MAX_CNT2 (RT5350_PDMA_OFFSET + 0x24)
#define RT5350_TX_CTX_IDX2 (RT5350_PDMA_OFFSET + 0x28)
#define RT5350_TX_DTX_IDX2 (RT5350_PDMA_OFFSET + 0x2C)
#define RT5350_TX_BASE_PTR3 (RT5350_PDMA_OFFSET + 0x30)
#define RT5350_TX_MAX_CNT3 (RT5350_PDMA_OFFSET + 0x34)
#define RT5350_TX_CTX_IDX3 (RT5350_PDMA_OFFSET + 0x38)
#define RT5350_TX_DTX_IDX3 (RT5350_PDMA_OFFSET + 0x3C)
#define RT5350_RX_BASE_PTR0 (RT5350_PDMA_OFFSET + 0x100)
#define RT5350_RX_MAX_CNT0 (RT5350_PDMA_OFFSET + 0x104)
#define RT5350_RX_CALC_IDX0 (RT5350_PDMA_OFFSET + 0x108)
#define RT5350_RX_DRX_IDX0 (RT5350_PDMA_OFFSET + 0x10C)
#define RT5350_RX_BASE_PTR1 (RT5350_PDMA_OFFSET + 0x110)
#define RT5350_RX_MAX_CNT1 (RT5350_PDMA_OFFSET + 0x114)
#define RT5350_RX_CALC_IDX1 (RT5350_PDMA_OFFSET + 0x118)
#define RT5350_RX_DRX_IDX1 (RT5350_PDMA_OFFSET + 0x11C)
#define RT5350_PDMA_GLO_CFG (RT5350_PDMA_OFFSET + 0x204)
#define RT5350_PDMA_RST_CFG (RT5350_PDMA_OFFSET + 0x208)
#define RT5350_DLY_INT_CFG (RT5350_PDMA_OFFSET + 0x20c)
#define RT5350_FE_INT_STATUS (RT5350_PDMA_OFFSET + 0x220)
#define RT5350_FE_INT_ENABLE (RT5350_PDMA_OFFSET + 0x228)
#define RT5350_PDMA_SCH_CFG (RT5350_PDMA_OFFSET + 0x280)
#define RAMIPS_PDMA_GLO_CFG (RAMIPS_PDMA_OFFSET + 0x00)
#define RAMIPS_PDMA_RST_CFG (RAMIPS_PDMA_OFFSET + 0x04)
#define RAMIPS_PDMA_SCH_CFG (RAMIPS_PDMA_OFFSET + 0x08)
@ -123,6 +161,22 @@
#define RAMIPS_RX_CALC_IDX1 (RAMIPS_PDMA_OFFSET + 0x68)
#define RAMIPS_RX_DRX_IDX1 (RAMIPS_PDMA_OFFSET + 0x6C)
#define RT5350_SDM_CFG (RT5350_SDM_OFFSET + 0x00) //Switch DMA configuration
#define RT5350_SDM_RRING (RT5350_SDM_OFFSET + 0x04) //Switch DMA Rx Ring
#define RT5350_SDM_TRING (RT5350_SDM_OFFSET + 0x08) //Switch DMA Tx Ring
#define RT5350_SDM_MAC_ADRL (RT5350_SDM_OFFSET + 0x0C) //Switch MAC address LSB
#define RT5350_SDM_MAC_ADRH (RT5350_SDM_OFFSET + 0x10) //Switch MAC Address MSB
#define RT5350_SDM_TPCNT (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count
#define RT5350_SDM_TBCNT (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count
#define RT5350_SDM_RPCNT (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count
#define RT5350_SDM_RBCNT (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count
#define RT5350_SDM_CS_ERR (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count
#define RT5350_SDM_ICS_EN BIT(16)
#define RT5350_SDM_TCS_EN BIT(17)
#define RT5350_SDM_UCS_EN BIT(18)
/* MDIO_CFG register bits */
#define RAMIPS_MDIO_CFG_AUTO_POLL_EN BIT(29)
#define RAMIPS_MDIO_CFG_GP1_BP_EN BIT(16)

48
target/linux/ramips/files/drivers/net/ethernet/ramips/ramips_main.c
View File

@ -33,10 +33,12 @@
#define MAX_RX_LENGTH 1600
#ifdef CONFIG_RALINK_RT305X
#include <rt305x.h>
#include "ramips_esw.c"
#else
static inline int rt305x_esw_init(void) { return 0; }
static inline void rt305x_esw_exit(void) { }
static inline int soc_is_rt5350(void) { return 0; }
#endif
#define phys_to_bus(a) (a & 0x1FFFFFFF)
@ -47,6 +49,9 @@ static inline void rt305x_esw_exit(void) { }
#define RADEBUG(fmt, args...) do {} while (0)
#endif
#define RX_DLY_INT ((soc_is_rt5350())?(RT5350_RX_DLY_INT):(RAMIPS_RX_DLY_INT))
#define TX_DLY_INT ((soc_is_rt5350())?(RT5350_TX_DLY_INT):(RAMIPS_TX_DLY_INT))
enum raeth_reg {
RAETH_REG_PDMA_GLO_CFG = 0,
RAETH_REG_PDMA_RST_CFG,
@ -76,6 +81,20 @@ static const u32 ramips_reg_table[RAETH_REG_COUNT] = {
[RAETH_REG_FE_INT_STATUS] = RAMIPS_FE_INT_STATUS,
};
static const u32 rt5350_reg_table[RAETH_REG_COUNT] = {
[RAETH_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
[RAETH_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
[RAETH_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
[RAETH_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
[RAETH_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
[RAETH_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
[RAETH_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
[RAETH_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
[RAETH_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
[RAETH_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
[RAETH_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
};
static struct net_device * ramips_dev;
static void __iomem *ramips_fe_base = 0;
@ -83,6 +102,9 @@ static inline u32 get_reg_offset(enum raeth_reg reg)
{
const u32 *table;
if (soc_is_rt5350())
table = rt5350_reg_table;
else
table = ramips_reg_table;
return table[reg];
@ -133,9 +155,15 @@ ramips_fe_int_enable(u32 mask)
static inline void
ramips_hw_set_macaddr(unsigned char *mac)
{
if (soc_is_rt5350()) {
ramips_fe_wr((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
ramips_fe_wr((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
RT5350_SDM_MAC_ADRL);
} else {
ramips_fe_wr((mac[0] << 8) | mac[1], RAMIPS_GDMA1_MAC_ADRH);
ramips_fe_wr((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
RAMIPS_GDMA1_MAC_ADRL);
}
}
static struct sk_buff *
@ -825,7 +853,7 @@ ramips_eth_rx_hw(unsigned long ptr)
if (max_rx == 0)
tasklet_schedule(&re->rx_tasklet);
else
ramips_fe_int_enable(RAMIPS_RX_DLY_INT);
ramips_fe_int_enable(RX_DLY_INT);
}
static void
@ -858,7 +886,7 @@ ramips_eth_tx_housekeeping(unsigned long ptr)
netdev_completed_queue(dev, pkts_compl, bytes_compl);
spin_unlock(&re->page_lock);
ramips_fe_int_enable(RAMIPS_TX_DLY_INT);
ramips_fe_int_enable(TX_DLY_INT);
}
static void
@ -883,13 +911,13 @@ ramips_eth_irq(int irq, void *dev)
ramips_fe_twr(status, RAETH_REG_FE_INT_STATUS);
if (status & RAMIPS_RX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_RX_DLY_INT);
if (status & RX_DLY_INT) {
ramips_fe_int_disable(RX_DLY_INT);
tasklet_schedule(&re->rx_tasklet);
}
if (status & RAMIPS_TX_DLY_INT) {
ramips_fe_int_disable(RAMIPS_TX_DLY_INT);
if (status & TX_DLY_INT) {
ramips_fe_int_disable(TX_DLY_INT);
tasklet_schedule(&re->tx_housekeeping_tasklet);
}
@ -933,7 +961,12 @@ ramips_eth_open(struct net_device *dev)
ramips_phy_start(re);
ramips_fe_twr(RAMIPS_DELAY_INIT, RAETH_REG_DLY_INT_CFG);
ramips_fe_twr(RAMIPS_TX_DLY_INT | RAMIPS_RX_DLY_INT, RAETH_REG_FE_INT_ENABLE);
ramips_fe_twr(TX_DLY_INT | RX_DLY_INT, RAETH_REG_FE_INT_ENABLE);
if (soc_is_rt5350()) {
ramips_fe_wr(ramips_fe_rr(RT5350_SDM_CFG) &
~(RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN | 0xffff),
RT5350_SDM_CFG);
} else {
ramips_fe_wr(ramips_fe_rr(RAMIPS_GDMA1_FWD_CFG) &
~(RAMIPS_GDM1_ICS_EN | RAMIPS_GDM1_TCS_EN | RAMIPS_GDM1_UCS_EN | 0xffff),
RAMIPS_GDMA1_FWD_CFG);
@ -941,6 +974,7 @@ ramips_eth_open(struct net_device *dev)
~(RAMIPS_ICS_GEN_EN | RAMIPS_TCS_GEN_EN | RAMIPS_UCS_GEN_EN),
RAMIPS_CDMA_CSG_CFG);
ramips_fe_wr(RAMIPS_PSE_FQFC_CFG_INIT, RAMIPS_PSE_FQ_CFG);
}
ramips_fe_wr(1, RAMIPS_FE_RST_GL);
ramips_fe_wr(0, RAMIPS_FE_RST_GL);