diff options
Diffstat (limited to 'target/linux/ramips/files/drivers')
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips.c | 2 | ||||
| -rw-r--r-- | target/linux/ramips/files/drivers/net/ramips_eth.h | 203 |
2 files changed, 204 insertions, 1 deletions
diff --git a/target/linux/ramips/files/drivers/net/ramips.c b/target/linux/ramips/files/drivers/net/ramips.c index 0565692e5a..7168f18f66 100644 --- a/target/linux/ramips/files/drivers/net/ramips.c +++ b/target/linux/ramips/files/drivers/net/ramips.c @@ -24,8 +24,8 @@ #include <linux/etherdevice.h> #include <linux/platform_device.h> -#include <eth.h> #include <ramips_eth_platform.h> +#include "ramips_eth.h" #define TX_TIMEOUT (20 * HZ / 100) #define MAX_RX_LENGTH 1500 diff --git a/target/linux/ramips/files/drivers/net/ramips_eth.h b/target/linux/ramips/files/drivers/net/ramips_eth.h new file mode 100644 index 0000000000..891c47b438 --- /dev/null +++ b/target/linux/ramips/files/drivers/net/ramips_eth.h @@ -0,0 +1,203 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. + * + * based on Ralink SDK3.3 + * Copyright (C) 2009 John Crispin <blogic@openwrt.org> + */ + +#ifndef RAMIPS_ETH_H +#define RAMIPS_ETH_H + +#include <linux/mii.h> +#include <linux/interrupt.h> +#include <linux/netdevice.h> + +#define NUM_RX_DESC 256 +#define NUM_TX_DESC 256 + +#define RAMIPS_DELAY_EN_INT 0x80 +#define RAMIPS_DELAY_MAX_INT 0x04 +#define RAMIPS_DELAY_MAX_TOUT 0x04 +#define RAMIPS_DELAY_CHAN (((RAMIPS_DELAY_EN_INT | RAMIPS_DELAY_MAX_INT) << 8) | RAMIPS_DELAY_MAX_TOUT) +#define RAMIPS_DELAY_INIT ((RAMIPS_DELAY_CHAN << 16) | RAMIPS_DELAY_CHAN) +#define RAMIPS_PSE_FQFC_CFG_INIT 0x80504000 + +/* interrupt bitd */ +#define RAMIPS_CNT_PPE_AF BIT(31) +#define RAMIPS_CNT_GDM_AF BIT(29) +#define RAMIPS_PSE_P2_FC BIT(26) +#define RAMIPS_PSE_BUF_DROP BIT(24) +#define RAMIPS_GDM_OTHER_DROP BIT(23) +#define RAMIPS_PSE_P1_FC BIT(22) +#define RAMIPS_PSE_P0_FC BIT(21) +#define RAMIPS_PSE_FQ_EMPTY BIT(20) +#define RAMIPS_GE1_STA_CHG BIT(18) +#define RAMIPS_TX_COHERENT BIT(17) +#define RAMIPS_RX_COHERENT BIT(16) +#define RAMIPS_TX_DONE_INT3 BIT(11) +#define RAMIPS_TX_DONE_INT2 BIT(10) +#define RAMIPS_TX_DONE_INT1 BIT(9) +#define RAMIPS_TX_DONE_INT0 BIT(8) +#define RAMIPS_RX_DONE_INT0 BIT(2) +#define RAMIPS_TX_DLY_INT BIT(1) +#define RAMIPS_RX_DLY_INT BIT(0) + +/* registers */ +#define RAMIPS_FE_OFFSET 0x0000 +#define RAMIPS_GDMA_OFFSET 0x0020 +#define RAMIPS_PSE_OFFSET 0x0040 +#define RAMIPS_GDMA2_OFFSET 0x0060 +#define RAMIPS_CDMA_OFFSET 0x0080 +#define RAMIPS_PDMA_OFFSET 0x0100 +#define RAMIPS_PPE_OFFSET 0x0200 +#define RAMIPS_CMTABLE_OFFSET 0x0400 +#define RAMIPS_POLICYTABLE_OFFSET 0x1000 + +#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) +#define RAMIPS_FE_RST_GL (RAMIPS_FE_OFFSET + 0x0C) +#define RAMIPS_FE_INT_STATUS (RAMIPS_FE_OFFSET + 0x10) +#define RAMIPS_FE_INT_ENABLE (RAMIPS_FE_OFFSET + 0x14) +#define RAMIPS_MDIO_CFG2 (RAMIPS_FE_OFFSET + 0x18) +#define RAMIPS_FOC_TS_T (RAMIPS_FE_OFFSET + 0x1C) + +#define RAMIPS_GDMA1_FWD_CFG (RAMIPS_GDMA_OFFSET + 0x00) +#define RAMIPS_GDMA1_SCH_CFG (RAMIPS_GDMA_OFFSET + 0x04) +#define RAMIPS_GDMA1_SHPR_CFG (RAMIPS_GDMA_OFFSET + 0x08) +#define RAMIPS_GDMA1_MAC_ADRL (RAMIPS_GDMA_OFFSET + 0x0C) +#define RAMIPS_GDMA1_MAC_ADRH (RAMIPS_GDMA_OFFSET + 0x10) + +#define RAMIPS_GDMA2_FWD_CFG (RAMIPS_GDMA2_OFFSET + 0x00) +#define RAMIPS_GDMA2_SCH_CFG (RAMIPS_GDMA2_OFFSET + 0x04) +#define RAMIPS_GDMA2_SHPR_CFG (RAMIPS_GDMA2_OFFSET + 0x08) +#define RAMIPS_GDMA2_MAC_ADRL (RAMIPS_GDMA2_OFFSET + 0x0C) +#define RAMIPS_GDMA2_MAC_ADRH (RAMIPS_GDMA2_OFFSET + 0x10) + +#define RAMIPS_PSE_FQ_CFG (RAMIPS_PSE_OFFSET + 0x00) +#define RAMIPS_CDMA_FC_CFG (RAMIPS_PSE_OFFSET + 0x04) +#define RAMIPS_GDMA1_FC_CFG (RAMIPS_PSE_OFFSET + 0x08) +#define RAMIPS_GDMA2_FC_CFG (RAMIPS_PSE_OFFSET + 0x0C) + +#define RAMIPS_CDMA_CSG_CFG (RAMIPS_CDMA_OFFSET + 0x00) +#define RAMIPS_CDMA_SCH_CFG (RAMIPS_CDMA_OFFSET + 0x04) + +#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) +#define RAMIPS_DLY_INT_CFG (RAMIPS_PDMA_OFFSET + 0x0C) +#define RAMIPS_TX_BASE_PTR0 (RAMIPS_PDMA_OFFSET + 0x10) +#define RAMIPS_TX_MAX_CNT0 (RAMIPS_PDMA_OFFSET + 0x14) +#define RAMIPS_TX_CTX_IDX0 (RAMIPS_PDMA_OFFSET + 0x18) +#define RAMIPS_TX_DTX_IDX0 (RAMIPS_PDMA_OFFSET + 0x1C) +#define RAMIPS_TX_BASE_PTR1 (RAMIPS_PDMA_OFFSET + 0x20) +#define RAMIPS_TX_MAX_CNT1 (RAMIPS_PDMA_OFFSET + 0x24) +#define RAMIPS_TX_CTX_IDX1 (RAMIPS_PDMA_OFFSET + 0x28) +#define RAMIPS_TX_DTX_IDX1 (RAMIPS_PDMA_OFFSET + 0x2C) +#define RAMIPS_TX_BASE_PTR2 (RAMIPS_PDMA_OFFSET + 0x40) +#define RAMIPS_TX_MAX_CNT2 (RAMIPS_PDMA_OFFSET + 0x44) +#define RAMIPS_TX_CTX_IDX2 (RAMIPS_PDMA_OFFSET + 0x48) +#define RAMIPS_TX_DTX_IDX2 (RAMIPS_PDMA_OFFSET + 0x4C) +#define RAMIPS_TX_BASE_PTR3 (RAMIPS_PDMA_OFFSET + 0x50) +#define RAMIPS_TX_MAX_CNT3 (RAMIPS_PDMA_OFFSET + 0x54) +#define RAMIPS_TX_CTX_IDX3 (RAMIPS_PDMA_OFFSET + 0x58) +#define RAMIPS_TX_DTX_IDX3 (RAMIPS_PDMA_OFFSET + 0x5C) +#define RAMIPS_RX_BASE_PTR0 (RAMIPS_PDMA_OFFSET + 0x30) +#define RAMIPS_RX_MAX_CNT0 (RAMIPS_PDMA_OFFSET + 0x34) +#define RAMIPS_RX_CALC_IDX0 (RAMIPS_PDMA_OFFSET + 0x38) +#define RAMIPS_RX_DRX_IDX0 (RAMIPS_PDMA_OFFSET + 0x3C) +#define RAMIPS_RX_BASE_PTR1 (RAMIPS_PDMA_OFFSET + 0x40) +#define RAMIPS_RX_MAX_CNT1 (RAMIPS_PDMA_OFFSET + 0x44) +#define RAMIPS_RX_CALC_IDX1 (RAMIPS_PDMA_OFFSET + 0x48) +#define RAMIPS_RX_DRX_IDX1 (RAMIPS_PDMA_OFFSET + 0x4C) + +/* uni-cast port */ +#define RAMIPS_GDM1_ICS_EN (0x1 << 22) +#define RAMIPS_GDM1_TCS_EN (0x1 << 21) +#define RAMIPS_GDM1_UCS_EN (0x1 << 20) +#define RAMIPS_GDM1_JMB_EN (0x1 << 19) +#define RAMIPS_GDM1_STRPCRC (0x1 << 16) +#define RAMIPS_GDM1_UFRC_P_CPU (0 << 12) +#define RAMIPS_GDM1_UFRC_P_GDMA1 (1 << 12) +#define RAMIPS_GDM1_UFRC_P_PPE (6 << 12) + +/* checksums */ +#define RAMIPS_ICS_GEN_EN BIT(2) +#define RAMIPS_UCS_GEN_EN BIT(1) +#define RAMIPS_TCS_GEN_EN BIT(0) + +/* dma rimg */ +#define RAMIPS_PST_DRX_IDX0 BIT(16) +#define RAMIPS_PST_DTX_IDX3 BIT(3) +#define RAMIPS_PST_DTX_IDX2 BIT(2) +#define RAMIPS_PST_DTX_IDX1 BIT(1) +#define RAMIPS_PST_DTX_IDX0 BIT(0) + +#define RAMIPS_TX_WB_DDONE BIT(6) +#define RAMIPS_RX_DMA_BUSY BIT(3) +#define RAMIPS_TX_DMA_BUSY BIT(1) +#define RAMIPS_RX_DMA_EN BIT(2) +#define RAMIPS_TX_DMA_EN BIT(0) + +#define RAMIPS_PDMA_SIZE_4DWORDS (0<<4) +#define RAMIPS_PDMA_SIZE_8DWORDS (1<<4) +#define RAMIPS_PDMA_SIZE_16DWORDS (2<<4) + +#define RAMIPS_US_CYC_CNT_MASK 0xff +#define RAMIPS_US_CYC_CNT_SHIFT 0x8 +#define RAMIPS_US_CYC_CNT_DIVISOR 1000000 + +#define RX_DMA_PLEN0(x) ((x >> 16) & 0x3fff) +#define RX_DMA_LSO BIT(30) +#define RX_DMA_DONE BIT(31) +struct ramips_rx_dma { + unsigned int rxd1; + unsigned int rxd2; + unsigned int rxd3; + unsigned int rxd4; +}; + +#define TX_DMA_PLEN0_MASK ((0x3fff) << 16) +#define TX_DMA_PLEN0(x) ((x & 0x3fff) << 16) +#define TX_DMA_LSO BIT(30) +#define TX_DMA_DONE BIT(31) +#define TX_DMA_QN(x) (x << 16) +#define TX_DMA_PN(x) (x << 24) +#define TX_DMA_QN_MASK TX_DMA_QN(0x7) +#define TX_DMA_PN_MASK TX_DMA_PN(0x7) +struct ramips_tx_dma { + unsigned int txd1; + unsigned int txd2; + unsigned int txd3; + unsigned int txd4; +}; + +struct raeth_priv +{ + unsigned int phy_rx; + struct tasklet_struct rx_tasklet; + struct ramips_rx_dma *rx; + struct sk_buff *rx_skb[NUM_RX_DESC]; + + unsigned int phy_tx; + struct tasklet_struct tx_housekeeping_tasklet; + struct ramips_tx_dma *tx; + struct sk_buff *tx_skb[NUM_RX_DESC]; + + unsigned int skb_free_idx; + + struct ramips_eth_platform_data *plat; +}; + +#endif |