| // SPDX-License-Identifier: GPL-2.0+ |
| |
| #include <asm/io.h> |
| #include <cpu_func.h> |
| #include <dm.h> |
| #include <malloc.h> |
| #include <net.h> |
| #include <netdev.h> |
| #include <pci.h> |
| #include <linux/bitops.h> |
| #include <linux/delay.h> |
| |
| #define SROM_DLEVEL 0 |
| |
| /* PCI Registers. */ |
| #define PCI_CFDA_PSM 0x43 |
| |
| #define CFRV_RN 0x000000f0 /* Revision Number */ |
| |
| #define WAKEUP 0x00 /* Power Saving Wakeup */ |
| #define SLEEP 0x80 /* Power Saving Sleep Mode */ |
| |
| #define DC2114x_BRK 0x0020 /* CFRV break between DC21142 & DC21143 */ |
| |
| /* Ethernet chip registers. */ |
| #define DE4X5_BMR 0x000 /* Bus Mode Register */ |
| #define DE4X5_TPD 0x008 /* Transmit Poll Demand Reg */ |
| #define DE4X5_RRBA 0x018 /* RX Ring Base Address Reg */ |
| #define DE4X5_TRBA 0x020 /* TX Ring Base Address Reg */ |
| #define DE4X5_STS 0x028 /* Status Register */ |
| #define DE4X5_OMR 0x030 /* Operation Mode Register */ |
| #define DE4X5_SICR 0x068 /* SIA Connectivity Register */ |
| #define DE4X5_APROM 0x048 /* Ethernet Address PROM */ |
| |
| /* Register bits. */ |
| #define BMR_SWR 0x00000001 /* Software Reset */ |
| #define STS_TS 0x00700000 /* Transmit Process State */ |
| #define STS_RS 0x000e0000 /* Receive Process State */ |
| #define OMR_ST 0x00002000 /* Start/Stop Transmission Command */ |
| #define OMR_SR 0x00000002 /* Start/Stop Receive */ |
| #define OMR_PS 0x00040000 /* Port Select */ |
| #define OMR_SDP 0x02000000 /* SD Polarity - MUST BE ASSERTED */ |
| #define OMR_PM 0x00000080 /* Pass All Multicast */ |
| |
| /* Descriptor bits. */ |
| #define R_OWN 0x80000000 /* Own Bit */ |
| #define RD_RER 0x02000000 /* Receive End Of Ring */ |
| #define RD_LS 0x00000100 /* Last Descriptor */ |
| #define RD_ES 0x00008000 /* Error Summary */ |
| #define TD_TER 0x02000000 /* Transmit End Of Ring */ |
| #define T_OWN 0x80000000 /* Own Bit */ |
| #define TD_LS 0x40000000 /* Last Segment */ |
| #define TD_FS 0x20000000 /* First Segment */ |
| #define TD_ES 0x00008000 /* Error Summary */ |
| #define TD_SET 0x08000000 /* Setup Packet */ |
| |
| /* The EEPROM commands include the alway-set leading bit. */ |
| #define SROM_WRITE_CMD 5 |
| #define SROM_READ_CMD 6 |
| #define SROM_ERASE_CMD 7 |
| |
| #define SROM_HWADD 0x0014 /* Hardware Address offset in SROM */ |
| #define SROM_RD 0x00004000 /* Read from Boot ROM */ |
| #define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */ |
| #define EE_WRITE_0 0x4801 |
| #define EE_WRITE_1 0x4805 |
| #define EE_DATA_READ 0x08 /* EEPROM chip data out. */ |
| #define SROM_SR 0x00000800 /* Select Serial ROM when set */ |
| |
| #define DT_IN 0x00000004 /* Serial Data In */ |
| #define DT_CLK 0x00000002 /* Serial ROM Clock */ |
| #define DT_CS 0x00000001 /* Serial ROM Chip Select */ |
| |
| #define POLL_DEMAND 1 |
| |
| #if CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| #define phys_to_bus(dev, a) virt_to_phys((volatile const void *)(a)) |
| #else |
| #define phys_to_bus(dev, a) dm_pci_phys_to_mem((dev), (a)) |
| #endif |
| |
| /* Number of TX descriptors */ |
| #if CONFIG_IS_ENABLED(TULIP_MULTIPLE_TX_DESC) |
| #define NUM_TX_DESC 4 |
| #else |
| #define NUM_TX_DESC 1 |
| #endif |
| |
| #define NUM_RX_DESC PKTBUFSRX |
| #define RX_BUFF_SZ PKTSIZE_ALIGN |
| |
| #define TOUT_LOOP 1000000 |
| |
| #define SETUP_FRAME_LEN 192 |
| |
| struct de4x5_desc { |
| volatile s32 status; |
| u32 des1; |
| u32 buf; |
| u32 next; |
| }; |
| |
| /* Assigned for network card's ring buffer: |
| * Some CPU might treat these memories as cached, and changes to these memories |
| * won't immediately be visible to each other. It is necessary to ensure that |
| * these memories between the CPU and the network card are marked as uncached. |
| */ |
| static struct de4x5_desc rx_ring[NUM_RX_DESC] __aligned(32); |
| static struct de4x5_desc tx_ring[NUM_TX_DESC] __aligned(32); |
| |
| struct dc2114x_priv { |
| struct de4x5_desc *rx_ring; /* Must be uncached to CPU */ |
| struct de4x5_desc *tx_ring; /* Must be uncached to CPU */ |
| int rx_new; /* RX descriptor ring pointer */ |
| int tx_new; /* TX descriptor ring pointer */ |
| char rx_ring_size; |
| char tx_ring_size; |
| struct udevice *devno; |
| char *name; |
| void __iomem *iobase; |
| u8 *enetaddr; |
| }; |
| |
| /* RX and TX descriptor ring */ |
| static u32 dc2114x_inl(struct dc2114x_priv *priv, u32 addr) |
| { |
| return le32_to_cpu(readl(priv->iobase + addr)); |
| } |
| |
| static void dc2114x_outl(struct dc2114x_priv *priv, u32 command, u32 addr) |
| { |
| writel(cpu_to_le32(command), priv->iobase + addr); |
| } |
| |
| static void reset_de4x5(struct dc2114x_priv *priv) |
| { |
| u32 i; |
| |
| i = dc2114x_inl(priv, DE4X5_BMR); |
| mdelay(1); |
| dc2114x_outl(priv, i | BMR_SWR, DE4X5_BMR); |
| mdelay(1); |
| dc2114x_outl(priv, i, DE4X5_BMR); |
| mdelay(1); |
| |
| for (i = 0; i < 5; i++) { |
| dc2114x_inl(priv, DE4X5_BMR); |
| mdelay(10); |
| } |
| |
| mdelay(1); |
| } |
| |
| static void start_de4x5(struct dc2114x_priv *priv) |
| { |
| u32 omr; |
| |
| omr = dc2114x_inl(priv, DE4X5_OMR); |
| omr |= OMR_ST | OMR_SR; |
| dc2114x_outl(priv, omr, DE4X5_OMR); /* Enable the TX and/or RX */ |
| } |
| |
| static void stop_de4x5(struct dc2114x_priv *priv) |
| { |
| u32 omr; |
| |
| omr = dc2114x_inl(priv, DE4X5_OMR); |
| omr &= ~(OMR_ST | OMR_SR); |
| dc2114x_outl(priv, omr, DE4X5_OMR); /* Disable the TX and/or RX */ |
| } |
| |
| /* SROM Read and write routines. */ |
| static void sendto_srom(struct dc2114x_priv *priv, u_int command, u_long addr) |
| { |
| dc2114x_outl(priv, command, addr); |
| udelay(1); |
| } |
| |
| static int getfrom_srom(struct dc2114x_priv *priv, u_long 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 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(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); |
| |
| /* Shift the read command bits out. */ |
| for (i = 4 + addr_len; i >= 0; i--) { |
| short dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0; |
| |
| sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | dataval, |
| ioaddr); |
| udelay(10); |
| sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | dataval | DT_CLK, |
| ioaddr); |
| udelay(10); |
| debug_cond(SROM_DLEVEL >= 2, "%X", |
| getfrom_srom(priv, ioaddr) & 15); |
| retval = (retval << 1) | |
| !!(getfrom_srom(priv, ioaddr) & EE_DATA_READ); |
| } |
| |
| sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); |
| |
| debug_cond(SROM_DLEVEL >= 2, " :%X:", getfrom_srom(priv, ioaddr) & 15); |
| |
| for (i = 16; i > 0; i--) { |
| sendto_srom(priv, SROM_RD | SROM_SR | DT_CS | DT_CLK, ioaddr); |
| udelay(10); |
| debug_cond(SROM_DLEVEL >= 2, "%X", |
| getfrom_srom(priv, ioaddr) & 15); |
| retval = (retval << 1) | |
| !!(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(priv, SROM_RD | SROM_SR, ioaddr); |
| |
| debug_cond(SROM_DLEVEL >= 2, " EEPROM value at %d is %5.5x.\n", |
| location, retval); |
| |
| return retval; |
| } |
| |
| /* |
| * This executes a generic EEPROM command, typically a write or write |
| * enable. It returns the data output from the EEPROM, and thus may |
| * also be used for reads. |
| */ |
| 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(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(priv, dataval, ioaddr); |
| udelay(10); |
| |
| debug_cond(SROM_DLEVEL >= 2, "%X", |
| getfrom_srom(priv, ioaddr) & 15); |
| |
| sendto_srom(priv, dataval | DT_CLK, ioaddr); |
| udelay(10); |
| retval = (retval << 1) | |
| !!(getfrom_srom(priv, ioaddr) & EE_DATA_READ); |
| } while (--cmd_len >= 0); |
| |
| sendto_srom(priv, SROM_RD | SROM_SR | DT_CS, ioaddr); |
| |
| /* Terminate the EEPROM access. */ |
| 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 dc2114x_priv *priv, u_long ioaddr, int index) |
| { |
| int ee_addr_size; |
| |
| ee_addr_size = (do_read_eeprom(priv, ioaddr, 0xff, 8) & BIT(18)) ? 8 : 6; |
| |
| return do_eeprom_cmd(priv, ioaddr, 0xffff | |
| (((SROM_READ_CMD << ee_addr_size) | index) << 16), |
| 3 + ee_addr_size + 16); |
| } |
| |
| static void send_setup_frame(struct dc2114x_priv *priv) |
| { |
| /* We are writing setup frame and these changes should be visible to the |
| * network card immediately. So let's directly read/write through the |
| * uncached window. |
| */ |
| char __setup_frame[SETUP_FRAME_LEN] __aligned(32); |
| char *setup_frame = (char *)map_physmem((phys_addr_t)virt_to_phys(__setup_frame), 0, MAP_NOCACHE); |
| char *pa = &setup_frame[0]; |
| int i; |
| |
| memset(pa, 0xff, SETUP_FRAME_LEN); |
| |
| for (i = 0; i < ETH_ALEN; i++) { |
| *(pa + (i & 1)) = priv->enetaddr[i]; |
| if (i & 0x01) |
| pa += 4; |
| } |
| |
| 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", priv->name); |
| return; |
| } |
| |
| priv->tx_ring[priv->tx_new].buf = cpu_to_le32(phys_to_bus(priv->devno, |
| (phys_addr_t)&setup_frame[0])); |
| #if CONFIG_IS_ENABLED(TULIP_MULTIPLE_TX_DESC) |
| priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_SET | SETUP_FRAME_LEN); |
| priv->tx_ring[priv->tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER); |
| #else |
| priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_TER | TD_SET | SETUP_FRAME_LEN); |
| #endif |
| priv->tx_ring[priv->tx_new].status = cpu_to_le32(T_OWN); |
| |
| dc2114x_outl(priv, POLL_DEMAND, DE4X5_TPD); |
| |
| 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", priv->name); |
| return; |
| } |
| |
| if (le32_to_cpu(priv->tx_ring[priv->tx_new].status) != 0x7FFFFFFF) { |
| debug("TX error status2 = 0x%08X\n", |
| le32_to_cpu(priv->tx_ring[priv->tx_new].status)); |
| } |
| |
| priv->tx_new = (priv->tx_new + 1) % NUM_TX_DESC; |
| } |
| |
| 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", priv->name, length); |
| goto done; |
| } |
| |
| 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", priv->name); |
| goto done; |
| } |
| |
| /* Packet should be visible to the network card */ |
| flush_dcache_range((phys_addr_t)packet, (phys_addr_t)(packet + RX_BUFF_SZ)); |
| |
| priv->tx_ring[priv->tx_new].buf = cpu_to_le32(phys_to_bus(priv->devno, |
| (phys_addr_t)packet)); |
| #if CONFIG_IS_ENABLED(TULIP_MULTIPLE_TX_DESC) |
| priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_LS | TD_FS | length); |
| priv->tx_ring[priv->tx_ring_size - 1].des1 |= cpu_to_le32(TD_TER); |
| #else |
| priv->tx_ring[priv->tx_new].des1 = cpu_to_le32(TD_TER | TD_LS | TD_FS | length); |
| #endif |
| priv->tx_ring[priv->tx_new].status = cpu_to_le32(T_OWN); |
| |
| dc2114x_outl(priv, POLL_DEMAND, DE4X5_TPD); |
| |
| 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", priv->name); |
| goto done; |
| } |
| |
| if (le32_to_cpu(priv->tx_ring[priv->tx_new].status) & TD_ES) { |
| priv->tx_ring[priv->tx_new].status = 0x0; |
| #if !CONFIG_IS_ENABLED(TULIP_IGNORE_TX_NO_CARRIER) |
| goto done; |
| #endif |
| } |
| |
| status = length; |
| |
| done: |
| priv->tx_new = (priv->tx_new + 1) % NUM_TX_DESC; |
| return status; |
| } |
| |
| static int dc21x4x_recv_check(struct dc2114x_priv *priv) |
| { |
| int length = 0; |
| u32 status; |
| |
| status = le32_to_cpu(priv->rx_ring[priv->rx_new].status); |
| |
| 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); |
| return -EINVAL; |
| } else { |
| /* A valid frame received. */ |
| length = (le32_to_cpu(priv->rx_ring[priv->rx_new].status) |
| >> 16); |
| |
| return length; |
| } |
| } |
| |
| return -EAGAIN; |
| } |
| |
| static int dc21x4x_init_common(struct dc2114x_priv *priv) |
| { |
| int i; |
| |
| reset_de4x5(priv); |
| |
| if (dc2114x_inl(priv, DE4X5_STS) & (STS_TS | STS_RS)) { |
| printf("Error: Cannot reset ethernet controller.\n"); |
| return -1; |
| } |
| |
| /* 2024-07: |
| * Remove the OMR_PM flag and choose 16 perfect filtering mode since in |
| * modern networks there're plenty of multicasts and set ORM_PM flag will |
| * increase the dc2114x's workload and ask the U-Boot to handle packets |
| * not related to itself. And most of the time, U-Boot does not need this |
| * feature. |
| * |
| * A better way: let user to decide whether to have this flag. |
| */ |
| dc2114x_outl(priv, OMR_SDP | OMR_PS, DE4X5_OMR); |
| |
| for (i = 0; i < NUM_RX_DESC; i++) { |
| 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, |
| (phys_addr_t)net_rx_packets[i])); |
| priv->rx_ring[i].next = 0; |
| } |
| |
| for (i = 0; i < NUM_TX_DESC; i++) { |
| priv->tx_ring[i].status = 0; |
| priv->tx_ring[i].des1 = 0; |
| priv->tx_ring[i].buf = 0; |
| priv->tx_ring[i].next = 0; |
| } |
| |
| priv->rx_ring_size = NUM_RX_DESC; |
| priv->tx_ring_size = NUM_TX_DESC; |
| |
| /* Write the end of list marker to the descriptor lists. */ |
| 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(priv, phys_to_bus(priv->devno, (phys_addr_t)priv->rx_ring), |
| DE4X5_RRBA); |
| dc2114x_outl(priv, phys_to_bus(priv->devno, (phys_addr_t)priv->tx_ring), |
| DE4X5_TRBA); |
| |
| start_de4x5(priv); |
| |
| priv->tx_new = 0; |
| priv->rx_new = 0; |
| |
| send_setup_frame(priv); |
| |
| return 0; |
| } |
| |
| static void dc21x4x_halt_common(struct dc2114x_priv *priv) |
| { |
| stop_de4x5(priv); |
| dc2114x_outl(priv, 0, DE4X5_SICR); |
| } |
| |
| static void read_hw_addr(struct dc2114x_priv *priv) |
| { |
| u_short tmp, *p = (u_short *)(&priv->enetaddr[0]); |
| int i, j = 0; |
| |
| for (i = 0; i < (ETH_ALEN >> 1); i++) { |
| tmp = read_srom(priv, DE4X5_APROM, (SROM_HWADD >> 1) + i); |
| *p = le16_to_cpu(tmp); |
| j += *p++; |
| } |
| |
| if (!j || j == 0x2fffd) { |
| memset(priv->enetaddr, 0, ETH_ALEN); |
| debug("Warning: can't read HW address from SROM.\n"); |
| } |
| } |
| |
| #if !CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| static struct pci_device_id supported[] = { |
| { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_TULIP_FAST) }, |
| { PCI_DEVICE(PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21142) }, |
| { } |
| }; |
| #endif |
| |
| static int dc2114x_start(struct udevice *dev) |
| { |
| struct dc2114x_priv *priv = dev_get_priv(dev); |
| int rval; |
| |
| if (!priv->enetaddr) { |
| rval = eth_env_get_enetaddr("ethaddr", priv->enetaddr); |
| |
| if (!rval) { |
| printf("dc2114x: Err: please set a valid MAC address\n"); |
| return -EINVAL; |
| } |
| } |
| |
| #if !CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| /* Ensure we're not sleeping. */ |
| dm_pci_write_config8(dev, PCI_CFDA_PSM, WAKEUP); |
| #endif |
| |
| return dc21x4x_init_common(priv); |
| } |
| |
| static void dc2114x_stop(struct udevice *dev) |
| { |
| struct dc2114x_priv *priv = dev_get_priv(dev); |
| |
| dc21x4x_halt_common(priv); |
| #if !CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| dm_pci_write_config8(dev, PCI_CFDA_PSM, SLEEP); |
| #endif |
| } |
| |
| 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; |
| |
| invalidate_dcache_range((phys_addr_t)net_rx_packets[priv->rx_new], (phys_addr_t)(net_rx_packets[priv->rx_new] + RX_BUFF_SZ)); |
| *packetp = (uchar *)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 = 0; |
| 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_plat(dev); |
| struct dc2114x_priv *priv = dev_get_priv(dev); |
| |
| #if !CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| 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->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); |
| #endif |
| |
| priv->devno = dev; |
| priv->enetaddr = plat->enetaddr; |
| priv->rx_ring = (struct de4x5_desc *)map_physmem((phys_addr_t)virt_to_phys(rx_ring), 0, MAP_NOCACHE); |
| priv->tx_ring = (struct de4x5_desc *)map_physmem((phys_addr_t)virt_to_phys(tx_ring), 0, MAP_NOCACHE); |
| |
| return 0; |
| } |
| |
| #if CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| static int dc2114x_of_to_plat(struct udevice *dev) |
| { |
| struct eth_pdata *plat = dev_get_plat(dev); |
| struct dc2114x_priv *priv = dev_get_priv(dev); |
| |
| plat->iobase = (phys_addr_t)map_physmem((phys_addr_t)devfdt_get_addr(dev), 0, MAP_NOCACHE); |
| priv->iobase = (void *)plat->iobase; |
| |
| return 0; |
| } |
| #endif |
| |
| 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, |
| }; |
| |
| #if CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| static const struct udevice_id dc2114x_eth_ids[] = { |
| { .compatible = "dec,dmfe" }, |
| { .compatible = "tulip,dmfe" }, |
| { .compatible = "dec,dc2114x" }, |
| { .compatible = "tulip,dc2114x" }, |
| { } |
| }; |
| #endif |
| |
| U_BOOT_DRIVER(eth_dc2114x) = { |
| .name = "eth_dc2114x", |
| .id = UCLASS_ETH, |
| #if CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| .of_match = dc2114x_eth_ids, |
| .of_to_plat = dc2114x_of_to_plat, |
| #endif |
| .bind = dc2114x_bind, |
| .probe = dc2114x_probe, |
| .ops = &dc2114x_ops, |
| .priv_auto = sizeof(struct dc2114x_priv), |
| .plat_auto = sizeof(struct eth_pdata), |
| }; |
| |
| #if !CONFIG_IS_ENABLED(TULIP_SUPPORT_NON_PCI) |
| U_BOOT_PCI_DEVICE(eth_dc2114x, supported); |
| #endif |