diff options
Diffstat (limited to 'drivers/net/dc2114x.c')
| -rw-r--r-- | drivers/net/dc2114x.c | 611 |
1 files changed, 356 insertions, 255 deletions
diff --git a/drivers/net/dc2114x.c b/drivers/net/dc2114x.c index 0cb54e3214..9f8c6c58d9 100644 --- a/drivers/net/dc2114x.c +++ b/drivers/net/dc2114x.c @@ -1,7 +1,8 @@ // SPDX-License-Identifier: GPL-2.0+ #include <common.h> -#include <env.h> +#include <asm/io.h> +#include <dm.h> #include <malloc.h> #include <net.h> #include <netdev.h> @@ -11,8 +12,6 @@ #define SROM_DLEVEL 0 -#undef UPDATE_SROM - /* PCI Registers. */ #define PCI_CFDA_PSM 0x43 @@ -74,10 +73,12 @@ #define POLL_DEMAND 1 -#if defined(CONFIG_E500) -#define phys_to_bus(a) (a) +#if defined(CONFIG_DM_ETH) +#define phys_to_bus(dev, a) dm_pci_phys_to_mem((dev), (a)) +#elif defined(CONFIG_E500) +#define phys_to_bus(dev, a) (a) #else -#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a) +#define phys_to_bus(dev, a) pci_phys_to_mem((dev), (a)) #endif #define NUM_RX_DESC PKTBUFSRX @@ -95,87 +96,97 @@ struct de4x5_desc { u32 next; }; -/* RX and TX descriptor ring */ -static struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32); -static struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32); -static int rx_new; /* RX descriptor ring pointer */ -static int tx_new; /* TX descriptor ring pointer */ - -static char rx_ring_size; -static char tx_ring_size; +struct dc2114x_priv { + struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32); + struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32); + int rx_new; /* RX descriptor ring pointer */ + int tx_new; /* TX descriptor ring pointer */ + char rx_ring_size; + char tx_ring_size; +#ifdef CONFIG_DM_ETH + struct udevice *devno; +#else + struct eth_device dev; + pci_dev_t devno; +#endif + char *name; + void __iomem *iobase; + u8 *enetaddr; +}; -static u32 dc2114x_inl(struct eth_device *dev, u32 addr) +/* RX and TX descriptor ring */ +static u32 dc2114x_inl(struct dc2114x_priv *priv, u32 addr) { - return le32_to_cpu(*(volatile u32 *)(addr + dev->iobase)); + return le32_to_cpu(readl(priv->iobase + addr)); } -static void dc2114x_outl(struct eth_device *dev, u32 command, u32 addr) +static void dc2114x_outl(struct dc2114x_priv *priv, u32 command, u32 addr) { - *(volatile u32 *)(addr + dev->iobase) = cpu_to_le32(command); + writel(cpu_to_le32(command), priv->iobase + addr); } -static void reset_de4x5(struct eth_device *dev) +static void reset_de4x5(struct dc2114x_priv *priv) { u32 i; - i = dc2114x_inl(dev, DE4X5_BMR); + i = dc2114x_inl(priv, DE4X5_BMR); mdelay(1); - dc2114x_outl(dev, i | BMR_SWR, DE4X5_BMR); + dc2114x_outl(priv, i | BMR_SWR, DE4X5_BMR); mdelay(1); - dc2114x_outl(dev, i, DE4X5_BMR); + dc2114x_outl(priv, i, DE4X5_BMR); mdelay(1); for (i = 0; i < 5; i++) { - dc2114x_inl(dev, DE4X5_BMR); + dc2114x_inl(priv, DE4X5_BMR); mdelay(10); } mdelay(1); } -static void start_de4x5(struct eth_device *dev) +static void start_de4x5(struct dc2114x_priv *priv) { u32 omr; - omr = dc2114x_inl(dev, DE4X5_OMR); + omr = dc2114x_inl(priv, DE4X5_OMR); omr |= OMR_ST | OMR_SR; - dc2114x_outl(dev, omr, DE4X5_OMR); /* Enable the TX and/or RX */ + dc2114x_outl(priv, omr, DE4X5_OMR); /* Enable the TX and/or RX */ } -static void stop_de4x5(struct eth_device *dev) +static void stop_de4x5(struct dc2114x_priv *priv) { u32 omr; - omr = dc2114x_inl(dev, DE4X5_OMR); + omr = dc2114x_inl(priv, DE4X5_OMR); omr &= ~(OMR_ST | OMR_SR); - dc2114x_outl(dev, omr, DE4X5_OMR); /* Disable the TX and/or RX */ + dc2114x_outl(priv, omr, DE4X5_OMR); /* Disable the TX and/or RX */ } /* SROM Read and write routines. */ -static void sendto_srom(struct eth_device *dev, u_int command, u_long addr) +static void sendto_srom(struct dc2114x_priv *priv, u_int command, u_long addr) { - dc2114x_outl(dev, command, addr); + dc2114x_outl(priv, command, addr); udelay(1); } -static int getfrom_srom(struct eth_device *dev, u_long addr) +static int getfrom_srom(struct dc2114x_priv *priv, u_long addr) { - u32 tmp = dc2114x_inl(dev, addr); + u32 tmp = dc2114x_inl(priv, addr); udelay(1); return tmp; } /* Note: this routine returns extra data bits for size detection. */ -static int do_read_eeprom(struct eth_device *dev, u_long ioaddr, int location, +static int do_read_eeprom(struct dc2114x_priv *priv, u_long ioaddr, int location, int addr_len) { int read_cmd = location | (SROM_READ_CMD << addr_len); unsigned int retval = 0; int i; - sendto_srom(dev, SROM_RD | SROM_SR, ioaddr); - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); debug_cond(SROM_DLEVEL >= 1, " EEPROM read at %d ", location); @@ -183,35 +194,35 @@ static int do_read_eeprom(struct eth_device *dev, u_long ioaddr, int location, for (i = 4 + addr_len; i >= 0; i--) { short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS | dataval, + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | dataval, ioaddr); udelay(10); - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS | dataval | DT_CLK, + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | dataval | DT_CLK, ioaddr); udelay(10); debug_cond(SROM_DLEVEL >= 2, "%X", - getfrom_srom(dev, ioaddr) & 15); + getfrom_srom(priv, ioaddr) & 15); retval = (retval << 1) | - !!(getfrom_srom(dev, ioaddr) & EE_DATA_READ); + !!(getfrom_srom(priv, ioaddr) & EE_DATA_READ); } - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); - debug_cond(SROM_DLEVEL >= 2, " :%X:", getfrom_srom(dev, ioaddr) & 15); + debug_cond(SROM_DLEVEL >= 2, " :%X:", getfrom_srom(priv, ioaddr) & 15); for (i = 16; i > 0; i--) { - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS | DT_CLK, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | DT_CLK, ioaddr); udelay(10); debug_cond(SROM_DLEVEL >= 2, "%X", - getfrom_srom(dev, ioaddr) & 15); + getfrom_srom(priv, ioaddr) & 15); retval = (retval << 1) | - !!(getfrom_srom(dev, ioaddr) & EE_DATA_READ); - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS, ioaddr); + !!(getfrom_srom(priv, ioaddr) & EE_DATA_READ); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); udelay(10); } /* Terminate the EEPROM access. */ - sendto_srom(dev, SROM_RD | SROM_SR, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR, ioaddr); debug_cond(SROM_DLEVEL >= 2, " EEPROM value at %d is %5.5x.\n", location, retval); @@ -224,139 +235,53 @@ static int do_read_eeprom(struct eth_device *dev, u_long ioaddr, int location, * enable. It returns the data output from the EEPROM, and thus may * also be used for reads. */ -static int do_eeprom_cmd(struct eth_device *dev, u_long ioaddr, int cmd, +static int do_eeprom_cmd(struct dc2114x_priv *priv, u_long ioaddr, int cmd, int cmd_len) { unsigned int retval = 0; debug_cond(SROM_DLEVEL >= 1, " EEPROM op 0x%x: ", cmd); - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS | DT_CLK, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | DT_CLK, ioaddr); /* Shift the command bits out. */ do { short dataval = (cmd & BIT(cmd_len)) ? EE_WRITE_1 : EE_WRITE_0; - sendto_srom(dev, dataval, ioaddr); + sendto_srom(priv, dataval, ioaddr); udelay(10); debug_cond(SROM_DLEVEL >= 2, "%X", - getfrom_srom(dev, ioaddr) & 15); + getfrom_srom(priv, ioaddr) & 15); - sendto_srom(dev, dataval | DT_CLK, ioaddr); + sendto_srom(priv, dataval | DT_CLK, ioaddr); udelay(10); retval = (retval << 1) | - !!(getfrom_srom(dev, ioaddr) & EE_DATA_READ); + !!(getfrom_srom(priv, ioaddr) & EE_DATA_READ); } while (--cmd_len >= 0); - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); /* Terminate the EEPROM access. */ - sendto_srom(dev, SROM_RD | SROM_SR, ioaddr); + sendto_srom(priv, SROM_RD | SROM_SR, ioaddr); debug_cond(SROM_DLEVEL >= 1, " EEPROM result is 0x%5.5x.\n", retval); return retval; } -static int read_srom(struct eth_device *dev, u_long ioaddr, int index) +static int read_srom(struct dc2114x_priv *priv, u_long ioaddr, int index) { int ee_addr_size; - ee_addr_size = (do_read_eeprom(dev, ioaddr, 0xff, 8) & BIT(18)) ? 8 : 6; + ee_addr_size = (do_read_eeprom(priv, ioaddr, 0xff, 8) & BIT(18)) ? 8 : 6; - return do_eeprom_cmd(dev, ioaddr, 0xffff | + return do_eeprom_cmd(priv, ioaddr, 0xffff | (((SROM_READ_CMD << ee_addr_size) | index) << 16), 3 + ee_addr_size + 16); } -#ifdef UPDATE_SROM -static int write_srom(struct eth_device *dev, u_long ioaddr, int index, - int new_value) -{ - unsigned short newval; - int ee_addr_size; - int i; - - ee_addr_size = (do_read_eeprom(dev, ioaddr, 0xff, 8) & BIT(18)) ? 8 : 6; - - udelay(10 * 1000); /* test-only */ - - debug_cond(SROM_DLEVEL >= 1, "ee_addr_size=%d.\n", ee_addr_size); - debug_cond(SROM_DLEVEL >= 1, - "Writing new entry 0x%4.4x to offset %d.\n", - new_value, index); - - /* Enable programming modes. */ - do_eeprom_cmd(dev, ioaddr, 0x4f << (ee_addr_size - 4), - 3 + ee_addr_size); - - /* Do the actual write. */ - do_eeprom_cmd(dev, ioaddr, new_value | - (((SROM_WRITE_CMD << ee_addr_size) | index) << 16), - 3 + ee_addr_size + 16); - - /* Poll for write finished. */ - sendto_srom(dev, SROM_RD | SROM_SR | DT_CS, ioaddr); - for (i = 0; i < 10000; i++) { /* Typical 2000 ticks */ - if (getfrom_srom(dev, ioaddr) & EE_DATA_READ) - break; - } - - debug_cond(SROM_DLEVEL >= 1, " Write finished after %d ticks.\n", i); - - /* Disable programming. */ - do_eeprom_cmd(dev, ioaddr, (0x40 << (ee_addr_size - 4)), - 3 + ee_addr_size); - - /* And read the result. */ - newval = do_eeprom_cmd(dev, ioaddr, - (((SROM_READ_CMD << ee_addr_size) | index) << 16) - | 0xffff, 3 + ee_addr_size + 16); - - debug_cond(SROM_DLEVEL >= 1, " New value at offset %d is %4.4x.\n", - index, newval); - - return 1; -} - -static void update_srom(struct eth_device *dev, struct bd_info *bis) -{ - static unsigned short eeprom[0x40] = { - 0x140b, 0x6610, 0x0000, 0x0000, /* 00 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 04 */ - 0x00a3, 0x0103, 0x0000, 0x0000, /* 08 */ - 0x0000, 0x1f00, 0x0000, 0x0000, /* 0c */ - 0x0108, 0x038d, 0x0000, 0x0000, /* 10 */ - 0xe078, 0x0001, 0x0040, 0x0018, /* 14 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 18 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 1c */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 20 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 24 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 28 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 2c */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 30 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 34 */ - 0x0000, 0x0000, 0x0000, 0x0000, /* 38 */ - 0x0000, 0x0000, 0x0000, 0x4e07, /* 3c */ - }; - uchar enetaddr[6]; - int i; - - /* Ethernet Addr... */ - if (!eth_env_get_enetaddr("ethaddr", enetaddr)) - return; - - eeprom[0x0a] = (enetaddr[1] << 8) | enetaddr[0]; - eeprom[0x0b] = (enetaddr[3] << 8) | enetaddr[2]; - eeprom[0x0c] = (enetaddr[5] << 8) | enetaddr[4]; - - for (i = 0; i < 0x40; i++) - write_srom(dev, DE4X5_APROM, i, eeprom[i]); -} -#endif /* UPDATE_SROM */ - -static void send_setup_frame(struct eth_device *dev, struct bd_info *bis) +static void send_setup_frame(struct dc2114x_priv *priv) { char setup_frame[SETUP_FRAME_LEN]; char *pa = &setup_frame[0]; @@ -365,223 +290,267 @@ static void send_setup_frame(struct eth_device *dev, struct bd_info *bis) memset(pa, 0xff, SETUP_FRAME_LEN); for (i = 0; i < ETH_ALEN; i++) { - *(pa + (i & 1)) = dev->enetaddr[i]; + *(pa + (i & 1)) = priv->enetaddr[i]; if (i & 0x01) pa += 4; } - for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) { + for (i = 0; priv->tx_ring[priv->tx_new].status & cpu_to_le32(T_OWN); i++) { if (i < TOUT_LOOP) continue; - printf("%s: tx error buffer not ready\n", dev->name); + printf("%s: tx error buffer not ready\n", priv->name); return; } - tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)&setup_frame[0])); - tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_SET | SETUP_FRAME_LEN); - tx_ring[tx_new].status = cpu_to_le32(T_OWN); + priv->tx_ring[priv->tx_new].buf = cpu_to_le32(phys_to_bus(priv->devno, + (u32)&setup_frame[0])); + priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_TER | TD_SET | SETUP_FRAME_LEN); + priv->tx_ring[priv->tx_new].status = cpu_to_le32(T_OWN); - dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD); + dc2114x_outl(priv, POLL_DEMAND, DE4X5_TPD); - for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) { + for (i = 0; priv->tx_ring[priv->tx_new].status & cpu_to_le32(T_OWN); i++) { if (i < TOUT_LOOP) continue; - printf("%s: tx buffer not ready\n", dev->name); + printf("%s: tx buffer not ready\n", priv->name); return; } - if (le32_to_cpu(tx_ring[tx_new].status) != 0x7FFFFFFF) { + if (le32_to_cpu(priv->tx_ring[priv->tx_new].status) != 0x7FFFFFFF) { printf("TX error status2 = 0x%08X\n", - le32_to_cpu(tx_ring[tx_new].status)); + le32_to_cpu(priv->tx_ring[priv->tx_new].status)); } - tx_new = (tx_new + 1) % NUM_TX_DESC; + priv->tx_new = (priv->tx_new + 1) % NUM_TX_DESC; } -static int dc21x4x_send(struct eth_device *dev, void *packet, int length) +static int dc21x4x_send_common(struct dc2114x_priv *priv, void *packet, int length) { int status = -1; int i; if (length <= 0) { - printf("%s: bad packet size: %d\n", dev->name, length); + printf("%s: bad packet size: %d\n", priv->name, length); goto done; } - for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) { + for (i = 0; priv->tx_ring[priv->tx_new].status & cpu_to_le32(T_OWN); i++) { if (i < TOUT_LOOP) continue; - printf("%s: tx error buffer not ready\n", dev->name); + printf("%s: tx error buffer not ready\n", priv->name); goto done; } - tx_ring[tx_new].buf = cpu_to_le32(phys_to_bus((u32)packet)); - tx_ring[tx_new].des1 = cpu_to_le32(TD_TER | TD_LS | TD_FS | length); - tx_ring[tx_new].status = cpu_to_le32(T_OWN); + priv->tx_ring[priv->tx_new].buf = cpu_to_le32(phys_to_bus(priv->devno, + (u32)packet)); + priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_TER | TD_LS | TD_FS | length); + priv->tx_ring[priv->tx_new].status = cpu_to_le32(T_OWN); - dc2114x_outl(dev, POLL_DEMAND, DE4X5_TPD); + dc2114x_outl(priv, POLL_DEMAND, DE4X5_TPD); - for (i = 0; tx_ring[tx_new].status & cpu_to_le32(T_OWN); i++) { + for (i = 0; priv->tx_ring[priv->tx_new].status & cpu_to_le32(T_OWN); i++) { if (i < TOUT_LOOP) continue; - printf(".%s: tx buffer not ready\n", dev->name); + printf(".%s: tx buffer not ready\n", priv->name); goto done; } - if (le32_to_cpu(tx_ring[tx_new].status) & TD_ES) { - tx_ring[tx_new].status = 0x0; + if (le32_to_cpu(priv->tx_ring[priv->tx_new].status) & TD_ES) { + priv->tx_ring[priv->tx_new].status = 0x0; goto done; } status = length; done: - tx_new = (tx_new + 1) % NUM_TX_DESC; + priv->tx_new = (priv->tx_new + 1) % NUM_TX_DESC; return status; } -static int dc21x4x_recv(struct eth_device *dev) +static int dc21x4x_recv_check(struct dc2114x_priv *priv) { int length = 0; u32 status; - while (true) { - status = le32_to_cpu(rx_ring[rx_new].status); + status = le32_to_cpu(priv->rx_ring[priv->rx_new].status); - if (status & R_OWN) - break; + if (status & R_OWN) + return 0; - if (status & RD_LS) { - /* Valid frame status. */ - if (status & RD_ES) { - /* There was an error. */ - printf("RX error status = 0x%08X\n", status); - } else { - /* A valid frame received. */ - length = (le32_to_cpu(rx_ring[rx_new].status) - >> 16); - - /* Pass the packet up to the protocol layers */ - net_process_received_packet - (net_rx_packets[rx_new], length - 4); - } - - /* - * Change buffer ownership for this frame, - * back to the adapter. - */ - rx_ring[rx_new].status = cpu_to_le32(R_OWN); - } + if (status & RD_LS) { + /* Valid frame status. */ + if (status & RD_ES) { + /* There was an error. */ + printf("RX error status = 0x%08X\n", status); + return -EINVAL; + } else { + /* A valid frame received. */ + length = (le32_to_cpu(priv->rx_ring[priv->rx_new].status) + >> 16); - /* Update entry information. */ - rx_new = (rx_new + 1) % rx_ring_size; + return length; + } } - return length; + return -EAGAIN; } -static int dc21x4x_init(struct eth_device *dev, struct bd_info *bis) +static int dc21x4x_init_common(struct dc2114x_priv *priv) { int i; - int devbusfn = (int)dev->priv; - - /* Ensure we're not sleeping. */ - pci_write_config_byte(devbusfn, PCI_CFDA_PSM, WAKEUP); - reset_de4x5(dev); + reset_de4x5(priv); - if (dc2114x_inl(dev, DE4X5_STS) & (STS_TS | STS_RS)) { + if (dc2114x_inl(priv, DE4X5_STS) & (STS_TS | STS_RS)) { printf("Error: Cannot reset ethernet controller.\n"); return -1; } - dc2114x_outl(dev, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); + dc2114x_outl(priv, OMR_SDP | OMR_PS | OMR_PM, DE4X5_OMR); for (i = 0; i < NUM_RX_DESC; i++) { - rx_ring[i].status = cpu_to_le32(R_OWN); - rx_ring[i].des1 = cpu_to_le32(RX_BUFF_SZ); - rx_ring[i].buf = - cpu_to_le32(phys_to_bus((u32)net_rx_packets[i])); - rx_ring[i].next = 0; + priv->rx_ring[i].status = cpu_to_le32(R_OWN); + priv->rx_ring[i].des1 = cpu_to_le32(RX_BUFF_SZ); + priv->rx_ring[i].buf = cpu_to_le32(phys_to_bus(priv->devno, + (u32)net_rx_packets[i])); + priv->rx_ring[i].next = 0; } for (i = 0; i < NUM_TX_DESC; i++) { - tx_ring[i].status = 0; - tx_ring[i].des1 = 0; - tx_ring[i].buf = 0; - tx_ring[i].next = 0; + priv->tx_ring[i].status = 0; + priv->tx_ring[i].des1 = 0; + priv->tx_ring[i].buf = 0; + priv->tx_ring[i].next = 0; } - rx_ring_size = NUM_RX_DESC; - tx_ring_size = NUM_TX_DESC; + priv->rx_ring_size = NUM_RX_DESC; + priv->tx_ring_size = NUM_TX_DESC; /* Write the end of list marker to the descriptor lists. */ - rx_ring[rx_ring_size - 1].des1 |= cpu_to_le32(RD_RER); - tx_ring[tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER); + priv->rx_ring[priv->rx_ring_size - 1].des1 |= cpu_to_le32(RD_RER); + priv->tx_ring[priv->tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER); /* Tell the adapter where the TX/RX rings are located. */ - dc2114x_outl(dev, phys_to_bus((u32)&rx_ring), DE4X5_RRBA); - dc2114x_outl(dev, phys_to_bus((u32)&tx_ring), DE4X5_TRBA); + dc2114x_outl(priv, phys_to_bus(priv->devno, (u32)&priv->rx_ring), + DE4X5_RRBA); + dc2114x_outl(priv, phys_to_bus(priv->devno, (u32)&priv->tx_ring), + DE4X5_TRBA); - start_de4x5(dev); + start_de4x5(priv); - tx_new = 0; - rx_new = 0; + priv->tx_new = 0; + priv->rx_new = 0; - send_setup_frame(dev, bis); + send_setup_frame(priv); return 0; } -static void dc21x4x_halt(struct eth_device *dev) +static void dc21x4x_halt_common(struct dc2114x_priv *priv) { - int devbusfn = (int)dev->priv; - - stop_de4x5(dev); - dc2114x_outl(dev, 0, DE4X5_SICR); - - pci_write_config_byte(devbusfn, PCI_CFDA_PSM, SLEEP); + stop_de4x5(priv); + dc2114x_outl(priv, 0, DE4X5_SICR); } -static void read_hw_addr(struct eth_device *dev, struct bd_info *bis) +static void read_hw_addr(struct dc2114x_priv *priv) { - u_short tmp, *p = (u_short *)(&dev->enetaddr[0]); + u_short tmp, *p = (u_short *)(&priv->enetaddr[0]); int i, j = 0; for (i = 0; i < (ETH_ALEN >> 1); i++) { - tmp = read_srom(dev, DE4X5_APROM, (SROM_HWADD >> 1) + i); + tmp = read_srom(priv, DE4X5_APROM, (SROM_HWADD >> 1) + i); *p = le16_to_cpu(tmp); j += *p++; } if (!j || j == 0x2fffd) { - memset(dev->enetaddr, 0, ETH_ALEN); + memset(priv->enetaddr, 0, ETH_ALEN); debug("Warning: can't read HW address from SROM.\n"); -#ifdef UPDATE_SROM - update_srom(dev, bis); -#endif } } static struct pci_device_id supported[] = { - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST }, - { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142 }, + { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST) }, + { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142) }, { } }; +#ifndef CONFIG_DM_ETH +static int dc21x4x_init(struct eth_device *dev, struct bd_info *bis) +{ + struct dc2114x_priv *priv = + container_of(dev, struct dc2114x_priv, dev); + + /* Ensure we're not sleeping. */ + pci_write_config_byte(priv->devno, PCI_CFDA_PSM, WAKEUP); + + return dc21x4x_init_common(priv); +} + +static void dc21x4x_halt(struct eth_device *dev) +{ + struct dc2114x_priv *priv = + container_of(dev, struct dc2114x_priv, dev); + + dc21x4x_halt_common(priv); + + pci_write_config_byte(priv->devno, PCI_CFDA_PSM, SLEEP); +} + +static int dc21x4x_send(struct eth_device *dev, void *packet, int length) +{ + struct dc2114x_priv *priv = + container_of(dev, struct dc2114x_priv, dev); + + return dc21x4x_send_common(priv, packet, length); +} + +static int dc21x4x_recv(struct eth_device *dev) +{ + struct dc2114x_priv *priv = + container_of(dev, struct dc2114x_priv, dev); + int length = 0; + int ret; + + while (true) { + ret = dc21x4x_recv_check(priv); + if (!ret) + break; + + if (ret > 0) { + length = ret; + /* Pass the packet up to the protocol layers */ + net_process_received_packet + (net_rx_packets[priv->rx_new], length - 4); + } + + /* + * Change buffer ownership for this frame, + * back to the adapter. + */ + if (ret != -EAGAIN) + priv->rx_ring[priv->rx_new].status = cpu_to_le32(R_OWN); + + /* Update entry information. */ + priv->rx_new = (priv->rx_new + 1) % priv->rx_ring_size; + } + + return length; +} + int dc21x4x_initialize(struct bd_info *bis) { + struct dc2114x_priv *priv; struct eth_device *dev; unsigned short status; unsigned char timer; unsigned int iobase; int card_number = 0; pci_dev_t devbusfn; - unsigned int cfrv; int idx = 0; while (1) { @@ -589,14 +558,6 @@ int dc21x4x_initialize(struct bd_info *bis) if (devbusfn == -1) break; - /* Get the chip configuration revision register. */ - pci_read_config_dword(devbusfn, PCI_REVISION_ID, &cfrv); - - if ((cfrv & CFRV_RN) < DC2114x_BRK) { - printf("Error: The chip is not DC21143.\n"); - continue; - } - pci_read_config_word(devbusfn, PCI_COMMAND, &status); status |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; pci_write_config_word(devbusfn, PCI_COMMAND, status); @@ -625,15 +586,19 @@ int dc21x4x_initialize(struct bd_info *bis) iobase &= PCI_BASE_ADDRESS_MEM_MASK; debug("dc21x4x: DEC 21142 PCI Device @0x%x\n", iobase); - dev = (struct eth_device *)malloc(sizeof(*dev)); - if (!dev) { + priv = memalign(32, sizeof(*priv)); + if (!priv) { printf("Can not allocalte memory of dc21x4x\n"); break; } + memset(priv, 0, sizeof(*priv)); - memset(dev, 0, sizeof(*dev)); + dev = &priv->dev; sprintf(dev->name, "dc21x4x#%d", card_number); + priv->devno = devbusfn; + priv->name = dev->name; + priv->enetaddr = dev->enetaddr; dev->iobase = pci_mem_to_phys(devbusfn, iobase); dev->priv = (void *)devbusfn; @@ -647,7 +612,7 @@ int dc21x4x_initialize(struct bd_info *bis) udelay(10 * 1000); - read_hw_addr(dev, bis); + read_hw_addr(priv); eth_register(dev); @@ -656,3 +621,139 @@ int dc21x4x_initialize(struct bd_info *bis) return card_number; } + +#else /* DM_ETH */ +static int dc2114x_start(struct udevice *dev) +{ + struct eth_pdata *plat = dev_get_platdata(dev); + struct dc2114x_priv *priv = dev_get_priv(dev); + + memcpy(priv->enetaddr, plat->enetaddr, sizeof(plat->enetaddr)); + + /* Ensure we're not sleeping. */ + dm_pci_write_config8(dev, PCI_CFDA_PSM, WAKEUP); + + return dc21x4x_init_common(priv); +} + +static void dc2114x_stop(struct udevice *dev) +{ + struct dc2114x_priv *priv = dev_get_priv(dev); + + dc21x4x_halt_common(priv); + + dm_pci_write_config8(dev, PCI_CFDA_PSM, SLEEP); +} + +static int dc2114x_send(struct udevice *dev, void *packet, int length) +{ + struct dc2114x_priv *priv = dev_get_priv(dev); + int ret; + + ret = dc21x4x_send_common(priv, packet, length); + + return ret ? 0 : -ETIMEDOUT; +} + +static int dc2114x_recv(struct udevice *dev, int flags, uchar **packetp) +{ + struct dc2114x_priv *priv = dev_get_priv(dev); + int ret; + + ret = dc21x4x_recv_check(priv); + + if (ret < 0) { + /* Update entry information. */ + priv->rx_new = (priv->rx_new + 1) % priv->rx_ring_size; + ret = 0; + } + + if (!ret) + return 0; + + *packetp = net_rx_packets[priv->rx_new]; + + return ret - 4; +} + +static int dc2114x_free_pkt(struct udevice *dev, uchar *packet, int length) +{ + struct dc2114x_priv *priv = dev_get_priv(dev); + + priv->rx_ring[priv->rx_new].status = cpu_to_le32(R_OWN); + + /* Update entry information. */ + priv->rx_new = (priv->rx_new + 1) % priv->rx_ring_size; + + return 0; +} + +static int dc2114x_read_rom_hwaddr(struct udevice *dev) +{ + struct dc2114x_priv *priv = dev_get_priv(dev); + + read_hw_addr(priv); + + return 0; +} + +static int dc2114x_bind(struct udevice *dev) +{ + static int card_number; + char name[16]; + + sprintf(name, "dc2114x#%u", card_number++); + + return device_set_name(dev, name); +} + +static int dc2114x_probe(struct udevice *dev) +{ + struct eth_pdata *plat = dev_get_platdata(dev); + struct dc2114x_priv *priv = dev_get_priv(dev); + u16 command, status; + u32 iobase; + + dm_pci_read_config32(dev, PCI_BASE_ADDRESS_1, &iobase); + iobase &= ~0xf; + + debug("dc2114x: DEC 2114x PCI Device @0x%x\n", iobase); + + priv->devno = dev; + priv->enetaddr = plat->enetaddr; + priv->iobase = (void __iomem *)dm_pci_mem_to_phys(dev, iobase); + + command = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + dm_pci_write_config16(dev, PCI_COMMAND, command); + dm_pci_read_config16(dev, PCI_COMMAND, &status); + if ((status & command) != command) { + printf("dc2114x: Couldn't enable IO access or Bus Mastering\n"); + return -EINVAL; + } + + dm_pci_write_config8(dev, PCI_LATENCY_TIMER, 0x60); + + return 0; +} + +static const struct eth_ops dc2114x_ops = { + .start = dc2114x_start, + .send = dc2114x_send, + .recv = dc2114x_recv, + .stop = dc2114x_stop, + .free_pkt = dc2114x_free_pkt, + .read_rom_hwaddr = dc2114x_read_rom_hwaddr, +}; + +U_BOOT_DRIVER(eth_dc2114x) = { + .name = "eth_dc2114x", + .id = UCLASS_ETH, + .bind = dc2114x_bind, + .probe = dc2114x_probe, + .ops = &dc2114x_ops, + .priv_auto_alloc_size = sizeof(struct dc2114x_priv), + .platdata_auto_alloc_size = sizeof(struct eth_pdata), +}; + +U_BOOT_PCI_DEVICE(eth_dc2114x, supported); +#endif |