--- /dev/null
+/*
+ * sh_eth.c - Driver for Renesas SH7763's ethernet controler.
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (c) 2008 Nobuhiro Iwamatsu
+ * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <malloc.h>
+#include <net.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+
+#include "sh_eth.h"
+
+#ifndef CONFIG_SH_ETHER_USE_PORT
+# error "Please define CONFIG_SH_ETHER_USE_PORT"
+#endif
+#ifndef CONFIG_SH_ETHER_PHY_ADDR
+# error "Please define CONFIG_SH_ETHER_PHY_ADDR"
+#endif
+
+extern int eth_init(bd_t *bd);
+extern void eth_halt(void);
+extern int eth_rx(void);
+extern int eth_send(volatile void *packet, int length);
+
+static struct dev_info_s *dev;
+
+/*
+ * Bits are written to the PHY serially using the
+ * PIR register, just like a bit banger.
+ */
+static void sh_eth_mii_write_phy_bits(int port, u32 val, int len)
+{
+ int i;
+ u32 pir;
+
+ /* Bit positions is 1 less than the number of bits */
+ for (i = len - 1; i >= 0; i--) {
+ /* Write direction, bit to write, clock is low */
+ pir = 2 | ((val & 1 << i) ? 1 << 2 : 0);
+ outl(pir, PIR(port));
+ udelay(1);
+ /* Write direction, bit to write, clock is high */
+ pir = 3 | ((val & 1 << i) ? 1 << 2 : 0);
+ outl(pir, PIR(port));
+ udelay(1);
+ /* Write direction, bit to write, clock is low */
+ pir = 2 | ((val & 1 << i) ? 1 << 2 : 0);
+ outl(pir, PIR(port));
+ udelay(1);
+ }
+}
+
+static void sh_eth_mii_bus_release(int port)
+{
+ /* Read direction, clock is low */
+ outl(0, PIR(port));
+ udelay(1);
+ /* Read direction, clock is high */
+ outl(1, PIR(port));
+ udelay(1);
+ /* Read direction, clock is low */
+ outl(0, PIR(port));
+ udelay(1);
+}
+
+static void sh_eth_mii_ind_bus_release(int port)
+{
+ /* Read direction, clock is low */
+ outl(0, PIR(port));
+ udelay(1);
+}
+
+static int sh_eth_mii_read_phy_bits(int port, u32 * val, int len)
+{
+ int i;
+ u32 pir;
+
+ *val = 0;
+ for (i = len - 1; i >= 0; i--) {
+ /* Read direction, clock is high */
+ outl(1, PIR(port));
+ udelay(1);
+ /* Read bit */
+ pir = inl(PIR(port));
+ *val |= (pir & 8) ? 1 << i : 0;
+ /* Read direction, clock is low */
+ outl(0, PIR(port));
+ udelay(1);
+ }
+
+ return 0;
+}
+
+#define PHY_INIT 0xFFFFFFFF
+#define PHY_READ 0x02
+#define PHY_WRITE 0x01
+/*
+ * To read a phy register, mii managements frames are sent to the phy.
+ * The frames look like this:
+ * pre (32 bits): 0xffff ffff
+ * st (2 bits): 01
+ * op (2bits): 10: read 01: write
+ * phyad (5 bits): xxxxx
+ * regad (5 bits): xxxxx
+ * ta (Bus release):
+ * data (16 bits): read data
+ */
+static u32 sh_eth_mii_read_phy_reg(int port, u8 phy_addr, int reg)
+{
+ u32 val;
+
+ /* Sent mii management frame */
+ /* pre */
+ sh_eth_mii_write_phy_bits(port, PHY_INIT, 32);
+ /* st (start of frame) */
+ sh_eth_mii_write_phy_bits(port, 0x1, 2);
+ /* op (code) */
+ sh_eth_mii_write_phy_bits(port, PHY_READ, 2);
+ /* phy address */
+ sh_eth_mii_write_phy_bits(port, phy_addr, 5);
+ /* Register to read */
+ sh_eth_mii_write_phy_bits(port, reg, 5);
+
+ /* Bus release */
+ sh_eth_mii_bus_release(port);
+
+ /* Read register */
+ sh_eth_mii_read_phy_bits(port, &val, 16);
+
+ return val;
+}
+
+/*
+ * To write a phy register, mii managements frames are sent to the phy.
+ * The frames look like this:
+ * pre (32 bits): 0xffff ffff
+ * st (2 bits): 01
+ * op (2bits): 10: read 01: write
+ * phyad (5 bits): xxxxx
+ * regad (5 bits): xxxxx
+ * ta (2 bits): 10
+ * data (16 bits): write data
+ * idle (Independent bus release)
+ */
+static void sh_eth_mii_write_phy_reg(int port, u8 phy_addr, int reg, u16 val)
+{
+ /* Sent mii management frame */
+ /* pre */
+ sh_eth_mii_write_phy_bits(port, PHY_INIT, 32);
+ /* st (start of frame) */
+ sh_eth_mii_write_phy_bits(port, 0x1, 2);
+ /* op (code) */
+ sh_eth_mii_write_phy_bits(port, PHY_WRITE, 2);
+ /* phy address */
+ sh_eth_mii_write_phy_bits(port, phy_addr, 5);
+ /* Register to read */
+ sh_eth_mii_write_phy_bits(port, reg, 5);
+ /* ta */
+ sh_eth_mii_write_phy_bits(port, PHY_READ, 2);
+ /* Write register data */
+ sh_eth_mii_write_phy_bits(port, val, 16);
+
+ /* Independent bus release */
+ sh_eth_mii_ind_bus_release(port);
+}
+
+void eth_halt(void)
+{
+}
+
+int eth_send(volatile void *packet, int len)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ int timeout;
+ int rc = 0;
+
+ if (!packet || len > 0xffff) {
+ printf("eth_send: Invalid argument\n");
+ return -EINVAL;
+ }
+
+ /* packet must be a 4 byte boundary */
+ if ((int)packet & (4 - 1)) {
+ printf("eth_send: packet not 4 byte alligned\n");
+ return -EFAULT;
+ }
+
+ /* Update tx descriptor */
+ port_info->tx_desc_cur->td2 = ADDR_TO_PHY(packet);
+ port_info->tx_desc_cur->td1 = len << 16;
+ /* Must preserve the end of descriptor list indication */
+ if (port_info->tx_desc_cur->td0 & TD_TDLE)
+ port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP | TD_TDLE;
+ else
+ port_info->tx_desc_cur->td0 = TD_TACT | TD_TFP;
+
+ /* Restart the transmitter if disabled */
+ if (!(inl(EDTRR(port)) & EDTRR_TRNS))
+ outl(EDTRR_TRNS, EDTRR(port));
+
+ /* Wait until packet is transmitted */
+ timeout = 1000;
+ while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--)
+ udelay(100);
+
+ if (timeout < 0) {
+ printf("eth_send: transmit timeout\n");
+ rc = -1;
+ goto err;
+ }
+
+err:
+ port_info->tx_desc_cur++;
+ if (port_info->tx_desc_cur >= port_info->tx_desc_base + NUM_TX_DESC)
+ port_info->tx_desc_cur = port_info->tx_desc_base;
+
+ return rc;
+}
+
+int eth_rx(void)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ int len = 0;
+ volatile u8 *packet;
+
+ /* Check if the rx descriptor is ready */
+ if (!(port_info->rx_desc_cur->rd0 & RD_RACT)) {
+ /* Check for errors */
+ if (!(port_info->rx_desc_cur->rd0 & RD_RFE)) {
+ len = port_info->rx_desc_cur->rd1 & 0xffff;
+ packet = (volatile u8 *)
+ ADDR_TO_P2(port_info->rx_desc_cur->rd2);
+ NetReceive(packet, len);
+ }
+
+ /* Make current descriptor available again */
+ if (port_info->rx_desc_cur->rd0 & RD_RDLE)
+ port_info->rx_desc_cur->rd0 = RD_RACT | RD_RDLE;
+ else
+ port_info->rx_desc_cur->rd0 = RD_RACT;
+
+ /* Point to the next descriptor */
+ port_info->rx_desc_cur++;
+ if (port_info->rx_desc_cur >=
+ port_info->rx_desc_base + NUM_RX_DESC)
+ port_info->rx_desc_cur = port_info->rx_desc_base;
+ }
+
+ /* Restart the receiver if disabled */
+ if (!(inl(EDRRR(port)) & EDRRR_R))
+ outl(EDRRR_R, EDRRR(port));
+
+ return len;
+}
+
+#define EDMR_INIT_CNT 1000
+static int sh_eth_reset(struct dev_info_s *dev)
+{
+ int port = dev->port;
+ int i;
+
+ /* Start e-dmac transmitter and receiver */
+ outl(EDSR_ENALL, EDSR(port));
+
+ /* Perform a software reset and wait for it to complete */
+ outl(EDMR_SRST, EDMR(port));
+ for (i = 0; i < EDMR_INIT_CNT; i++) {
+ if (!(inl(EDMR(port)) & EDMR_SRST))
+ break;
+ udelay(1000);
+ }
+
+ if (i == EDMR_INIT_CNT) {
+ printf("Error: Software reset timeout\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int sh_eth_tx_desc_init(struct dev_info_s *dev)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ u32 tmp_addr;
+ struct tx_desc_s *cur_tx_desc;
+ int i;
+
+ /* Allocate tx descriptors. They must be TX_DESC_SIZE bytes
+ aligned */
+ if (!(port_info->tx_desc_malloc = malloc(NUM_TX_DESC *
+ sizeof(struct tx_desc_s) +
+ TX_DESC_SIZE - 1))) {
+ printf("Error: malloc failed\n");
+ return -ENOMEM;
+ }
+ tmp_addr = (u32) (((int)port_info->tx_desc_malloc + TX_DESC_SIZE - 1) &
+ ~(TX_DESC_SIZE - 1));
+ /* Make sure we use a P2 address (non-cacheable) */
+ port_info->tx_desc_base = (struct tx_desc_s *)ADDR_TO_P2(tmp_addr);
+
+ port_info->tx_desc_cur = port_info->tx_desc_base;
+
+ /* Initialize all descriptors */
+ for (cur_tx_desc = port_info->tx_desc_base, i = 0; i < NUM_TX_DESC;
+ cur_tx_desc++, i++) {
+ cur_tx_desc->td0 = 0x00;
+ cur_tx_desc->td1 = 0x00;
+ cur_tx_desc->td2 = 0x00;
+ }
+
+ /* Mark the end of the descriptors */
+ cur_tx_desc--;
+ cur_tx_desc->td0 |= TD_TDLE;
+
+ /* Point the controller to the tx descriptor list. Must use physical
+ addresses */
+ outl(ADDR_TO_PHY(port_info->tx_desc_base), TDLAR(port));
+ outl(ADDR_TO_PHY(port_info->tx_desc_base), TDFAR(port));
+ outl(ADDR_TO_PHY(cur_tx_desc), TDFXR(port));
+ outl(0x01, TDFFR(port));/* Last discriptor bit */
+
+ return 0;
+}
+
+static int sh_eth_rx_desc_init(struct dev_info_s *dev)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ u32 tmp_addr;
+ struct rx_desc_s *cur_rx_desc;
+ u8 *rx_buf;
+ int i;
+
+ /* Allocate rx descriptors. They must be RX_DESC_SIZE bytes
+ aligned */
+ if (!(port_info->rx_desc_malloc = malloc(NUM_RX_DESC *
+ sizeof(struct rx_desc_s) +
+ RX_DESC_SIZE - 1))) {
+ printf("Error: malloc failed\n");
+ return -ENOMEM;
+ }
+ tmp_addr = (u32) (((int)port_info->rx_desc_malloc + RX_DESC_SIZE - 1) &
+ ~(RX_DESC_SIZE - 1));
+ /* Make sure we use a P2 address (non-cacheable) */
+ port_info->rx_desc_base = (struct rx_desc_s *)ADDR_TO_P2(tmp_addr);
+
+ port_info->rx_desc_cur = port_info->rx_desc_base;
+
+ /* Allocate rx data buffers. They must be 32 bytes aligned and in
+ P2 area */
+ if (!(port_info->rx_buf_malloc = malloc(NUM_RX_DESC * MAX_BUF_SIZE +
+ 31))) {
+ printf("Error: malloc failed\n");
+ free(port_info->rx_desc_malloc);
+ port_info->rx_desc_malloc = NULL;
+ return -ENOMEM;
+ }
+ tmp_addr = (u32)(((int)port_info->rx_buf_malloc + (32 - 1)) &
+ ~(32 - 1));
+ port_info->rx_buf_base = (u8 *)ADDR_TO_P2(tmp_addr);
+
+ /* Initialize all descriptors */
+ for (cur_rx_desc = port_info->rx_desc_base,
+ rx_buf = port_info->rx_buf_base, i = 0;
+ i < NUM_RX_DESC; cur_rx_desc++, rx_buf += MAX_BUF_SIZE, i++) {
+ cur_rx_desc->rd0 = RD_RACT;
+ cur_rx_desc->rd1 = MAX_BUF_SIZE << 16;
+ cur_rx_desc->rd2 = (u32) ADDR_TO_PHY(rx_buf);
+ }
+
+ /* Mark the end of the descriptors */
+ cur_rx_desc--;
+ cur_rx_desc->rd0 |= RD_RDLE;
+
+ /* Point the controller to the rx descriptor list */
+ outl(ADDR_TO_PHY(port_info->rx_desc_base), RDLAR(port));
+ outl(ADDR_TO_PHY(port_info->rx_desc_base), RDFAR(port));
+ outl(ADDR_TO_PHY(cur_rx_desc), RDFXR(port));
+ outl(RDFFR_RDLF, RDFFR(port));
+
+ return 0;
+}
+
+static void sh_eth_desc_free(struct dev_info_s *dev)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+
+ if (port_info->tx_desc_malloc) {
+ free(port_info->tx_desc_malloc);
+ port_info->tx_desc_malloc = NULL;
+ }
+
+ if (port_info->rx_desc_malloc) {
+ free(port_info->rx_desc_malloc);
+ port_info->rx_desc_malloc = NULL;
+ }
+
+ if (port_info->rx_buf_malloc) {
+ free(port_info->rx_buf_malloc);
+ port_info->rx_buf_malloc = NULL;
+ }
+}
+
+static int sh_eth_desc_init(struct dev_info_s *dev)
+{
+ int rc;
+
+ if ((rc = sh_eth_tx_desc_init(dev)) || (rc = sh_eth_rx_desc_init(dev))) {
+ sh_eth_desc_free(dev);
+ return rc;
+ }
+
+ return 0;
+}
+
+static int sh_eth_phy_config(struct dev_info_s *dev)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ int timeout;
+ u32 val;
+ /* Reset phy */
+ sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_CTRL, PHY_C_RESET);
+ timeout = 10;
+ while (timeout--) {
+ val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, PHY_CTRL);
+ if (!(val & PHY_C_RESET))
+ break;
+ udelay(50000);
+ }
+ if (timeout < 0) {
+ printf("%s phy reset timeout\n", __func__);
+ return -1;
+ }
+
+ /* Advertise 100/10 baseT full/half duplex */
+ sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_ANA,
+ (PHY_A_FDX|PHY_A_HDX|PHY_A_10FDX|PHY_A_10HDX|PHY_A_EXT));
+ /* Autonegotiation, normal operation, full duplex, enable tx */
+ sh_eth_mii_write_phy_reg(port, port_info->phy_addr, PHY_CTRL,
+ (PHY_C_ANEGEN|PHY_C_RANEG));
+ /* Wait for autonegotiation to complete */
+ timeout = 100;
+ while (timeout--) {
+ val = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, 1);
+ if (val & PHY_S_ANEGC)
+ break;
+ udelay(50000);
+ }
+ if (timeout < 0) {
+ printf("sh_eth_phy_config() phy auto-negotiation failed\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int sh_eth_config(struct dev_info_s *dev, bd_t * bd)
+{
+ int port = dev->port;
+ struct port_info_s *port_info = &dev->port_info[port];
+ u32 val;
+ u32 phy_status;
+ int rc;
+
+ /* Configure e-dmac registers */
+ outl((inl(EDMR(port)) & ~EMDR_DESC_R) | EDMR_EL, EDMR(port));
+ outl(0, EESIPR(port));
+ outl(0, TRSCER(port));
+ outl(0, TFTR(port));
+ outl((FIFO_SIZE_T | FIFO_SIZE_R), FDR(port));
+ outl(RMCR_RST, RMCR(port));
+ outl(0, RPADIR(port));
+ outl((FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR(port));
+
+ /* Configure e-mac registers */
+ outl(0, ECSIPR(port));
+
+ /* Set Mac address */
+ val = bd->bi_enetaddr[0] << 24 | bd->bi_enetaddr[1] << 16 |
+ bd->bi_enetaddr[2] << 8 | bd->bi_enetaddr[3];
+ outl(val, MAHR(port));
+
+ val = bd->bi_enetaddr[4] << 8 | bd->bi_enetaddr[5];
+ outl(val, MALR(port));
+
+ outl(RFLR_RFL_MIN, RFLR(port));
+ outl(0, PIPR(port));
+ outl(APR_AP, APR(port));
+ outl(MPR_MP, MPR(port));
+ outl(TPAUSER_TPAUSE, TPAUSER(port));
+
+ /* Configure phy */
+ if ((rc = sh_eth_phy_config(dev)))
+ return rc;
+
+ /* Read phy status to finish configuring the e-mac */
+ phy_status = sh_eth_mii_read_phy_reg(dev->port,
+ dev->port_info[dev->port].phy_addr,
+ 1);
+
+ /* Set the transfer speed */
+ if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) {
+ printf("100Base/");
+ outl(GECMR_100B, GECMR(port));
+ } else {
+ printf("10Base/");
+ outl(GECMR_10B, GECMR(port));
+ }
+
+ /* Check if full duplex mode is supported by the phy */
+ if (phy_status & (PHY_S_100X_F|PHY_S_10T_F)) {
+ printf("Full\n");
+ outl((ECMR_CHG_DM|ECMR_RE|ECMR_TE|ECMR_DM), ECMR(port));
+ } else {
+ printf("Half\n");
+ outl((ECMR_CHG_DM|ECMR_RE|ECMR_TE), ECMR(port));
+ }
+ return 0;
+}
+
+static int sh_eth_start(struct dev_info_s *dev)
+{
+ /*
+ * Enable the e-dmac receiver only. The transmitter will be enabled when
+ * we have something to transmit
+ */
+ outl(EDRRR_R, EDRRR(dev->port));
+
+ return 0;
+}
+
+static int sh_eth_get_mac(bd_t *bd)
+{
+ char *s, *e;
+ int i;
+
+ s = getenv("ethaddr");
+ if (s != NULL) {
+ for (i = 0; i < 6; ++i) {
+ bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0;
+ if (s)
+ s = (*e) ? e + 1 : e;
+ }
+ } else {
+ puts("Please set MAC address\n");
+ }
+ return 0;
+}
+
+int eth_init(bd_t *bd)
+{
+ int rc;
+ /* Allocate main device information structure */
+ if (!(dev = malloc(sizeof(*dev)))) {
+ printf("eth_init: malloc failed\n");
+ return -ENOMEM;
+ }
+
+ memset(dev, 0, sizeof(*dev));
+
+ dev->port = CONFIG_SH_ETHER_USE_PORT;
+ dev->port_info[dev->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR;
+
+ sh_eth_get_mac(bd);
+
+ if ((rc = sh_eth_reset(dev)) || (rc = sh_eth_desc_init(dev)))
+ goto err;
+
+ if ((rc = sh_eth_config(dev, bd)) || (rc = sh_eth_start(dev)))
+ goto err_desc;
+
+ return 0;
+
+err_desc:
+ sh_eth_desc_free(dev);
+err:
+ free(dev);
+ printf("eth_init: Failed\n");
+ return rc;
+}
--- /dev/null
+/*
+ * sh_eth.h - Driver for Renesas SH7763's gigabit ethernet controler.
+ *
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ * Copyright (c) 2008 Nobuhiro Iwamatsu
+ * Copyright (c) 2007 Carlos Munoz <carlos@kenati.com>
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <asm/types.h>
+
+#define SHETHER_NAME "sh_eth"
+
+/* Malloc returns addresses in the P1 area (cacheable). However we need to
+ use area P2 (non-cacheable) */
+#define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000))
+
+/* The ethernet controller needs to use physical addresses */
+#define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000)
+
+/* Number of supported ports */
+#define MAX_PORT_NUM 2
+
+/* Buffers must be big enough to hold the largest ethernet frame. Also, rx
+ buffers must be a multiple of 32 bytes */
+#define MAX_BUF_SIZE (48 * 32)
+
+/* The number of tx descriptors must be large enough to point to 5 or more
+ frames. If each frame uses 2 descriptors, at least 10 descriptors are needed.
+ We use one descriptor per frame */
+#define NUM_TX_DESC 8
+
+/* The size of the tx descriptor is determined by how much padding is used.
+ 4, 20, or 52 bytes of padding can be used */
+#define TX_DESC_PADDING 4
+#define TX_DESC_SIZE (12 + TX_DESC_PADDING)
+
+/* Tx descriptor. We always use 4 bytes of padding */
+struct tx_desc_s {
+ volatile u32 td0;
+ u32 td1;
+ u32 td2; /* Buffer start */
+ u32 padding;
+};
+
+/* There is no limitation in the number of rx descriptors */
+#define NUM_RX_DESC 8
+
+/* The size of the rx descriptor is determined by how much padding is used.
+ 4, 20, or 52 bytes of padding can be used */
+#define RX_DESC_PADDING 4
+#define RX_DESC_SIZE (12 + RX_DESC_PADDING)
+
+/* Rx descriptor. We always use 4 bytes of padding */
+struct rx_desc_s {
+ volatile u32 rd0;
+ volatile u32 rd1;
+ u32 rd2; /* Buffer start */
+ u32 padding;
+};
+
+struct port_info_s {
+ struct tx_desc_s *tx_desc_malloc;
+ struct tx_desc_s *tx_desc_base;
+ struct tx_desc_s *tx_desc_cur;
+ struct rx_desc_s *rx_desc_malloc;
+ struct rx_desc_s *rx_desc_base;
+ struct rx_desc_s *rx_desc_cur;
+ u8 *rx_buf_malloc;
+ u8 *rx_buf_base;
+ u8 mac_addr[6];
+ u8 phy_addr;
+};
+
+struct dev_info_s {
+ int port;
+ struct port_info_s port_info[MAX_PORT_NUM];
+};
+
+/* Register Address */
+#define BASE_IO_ADDR 0xfee00000
+
+#define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
+
+#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
+#define TDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0014)
+#define TDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
+#define TDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x001c)
+
+#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
+#define RDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0034)
+#define RDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
+#define RDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x003c)
+
+#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0400)
+#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0408)
+#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0410)
+#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0428)
+#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0430)
+#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0438)
+#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0448)
+#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0450)
+#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0458)
+#define RPADIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0460)
+#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0468)
+#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0500)
+#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0508)
+#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0518)
+#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0520)
+#define PIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x052c)
+#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0554)
+#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0558)
+#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0564)
+#define GECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05b0)
+#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8)
+#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0)
+
+/*
+ * Register's bits
+ * Copy from Linux driver source code
+ */
+#ifdef CONFIG_CPU_SH7763
+/* EDSR */
+enum EDSR_BIT {
+ EDSR_ENT = 0x01, EDSR_ENR = 0x02,
+};
+#define EDSR_ENALL (EDSR_ENT|EDSR_ENR)
+#endif
+
+/* EDMR */
+enum DMAC_M_BIT {
+ EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
+#ifdef CONFIG_CPU_SH7763
+ EDMR_SRST = 0x03,
+ EMDR_DESC_R = 0x30, /* Descriptor reserve size */
+ EDMR_EL = 0x40, /* Litte endian */
+#else /* CONFIG_CPU_SH7763 */
+ EDMR_SRST = 0x01,
+#endif
+};
+
+/* RFLR */
+#define RFLR_RFL_MIN 0x05EE /* Recv Frame length 1518 byte */
+
+/* EDTRR */
+enum DMAC_T_BIT {
+#ifdef CONFIG_CPU_SH7763
+ EDTRR_TRNS = 0x03,
+#else
+ EDTRR_TRNS = 0x01,
+#endif
+};
+
+/* GECMR */
+enum GECMR_BIT {
+ GECMR_1000B = 0x01, GECMR_100B = 0x40, GECMR_10B = 0x00,
+};
+
+/* EDRRR*/
+enum EDRRR_R_BIT {
+ EDRRR_R = 0x01,
+};
+
+/* TPAUSER */
+enum TPAUSER_BIT {
+ TPAUSER_TPAUSE = 0x0000ffff,
+ TPAUSER_UNLIMITED = 0,
+};
+
+/* BCFR */
+enum BCFR_BIT {
+ BCFR_RPAUSE = 0x0000ffff,
+ BCFR_UNLIMITED = 0,
+};
+
+/* PIR */
+enum PIR_BIT {
+ PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
+};
+
+/* PSR */
+enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
+
+/* EESR */
+enum EESR_BIT {
+#ifndef CONFIG_CPU_SH7763
+ EESR_TWB = 0x40000000,
+#else
+ EESR_TWB = 0xC0000000,
+ EESR_TC1 = 0x20000000,
+ EESR_TUC = 0x10000000,
+ EESR_ROC = 0x80000000,
+#endif
+ EESR_TABT = 0x04000000,
+ EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000,
+#ifndef CONFIG_CPU_SH7763
+ EESR_ADE = 0x00800000,
+#endif
+ EESR_ECI = 0x00400000,
+ EESR_FTC = 0x00200000, EESR_TDE = 0x00100000,
+ EESR_TFE = 0x00080000, EESR_FRC = 0x00040000,
+ EESR_RDE = 0x00020000, EESR_RFE = 0x00010000,
+#ifndef CONFIG_CPU_SH7763
+ EESR_CND = 0x00000800,
+#endif
+ EESR_DLC = 0x00000400,
+ EESR_CD = 0x00000200, EESR_RTO = 0x00000100,
+ EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040,
+ EESR_CELF = 0x00000020, EESR_RRF = 0x00000010,
+ rESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004,
+ EESR_PRE = 0x00000002, EESR_CERF = 0x00000001,
+};
+
+
+#ifdef CONFIG_CPU_SH7763
+# define TX_CHECK (EESR_TC1 | EESR_FTC)
+# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
+ | EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI)
+# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE)
+
+#else
+# define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO)
+# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
+ | EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI)
+# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)
+#endif
+
+/* EESIPR */
+enum DMAC_IM_BIT {
+ DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
+ DMAC_M_RABT = 0x02000000,
+ DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
+ DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
+ DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
+ DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
+ DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
+ DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
+ DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
+ DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
+ DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
+ DMAC_M_RINT1 = 0x00000001,
+};
+
+/* Receive descriptor bit */
+enum RD_STS_BIT {
+ RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
+ RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
+ RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
+ RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
+ RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
+ RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
+ RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
+ RD_RFS1 = 0x00000001,
+};
+#define RDF1ST RD_RFP1
+#define RDFEND RD_RFP0
+#define RD_RFP (RD_RFP1|RD_RFP0)
+
+/* RDFFR*/
+enum RDFFR_BIT {
+ RDFFR_RDLF = 0x01,
+};
+
+/* FCFTR */
+enum FCFTR_BIT {
+ FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
+ FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
+ FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
+};
+#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
+#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
+
+/* Transfer descriptor bit */
+enum TD_STS_BIT {
+#ifdef CONFIG_CPU_SH7763
+ TD_TACT = 0x80000000,
+#else
+ TD_TACT = 0x7fffffff,
+#endif
+ TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
+ TD_TFP0 = 0x10000000,
+};
+#define TDF1ST TD_TFP1
+#define TDFEND TD_TFP0
+#define TD_TFP (TD_TFP1|TD_TFP0)
+
+/* RMCR */
+enum RECV_RST_BIT { RMCR_RST = 0x01, };
+/* ECMR */
+enum FELIC_MODE_BIT {
+#ifdef CONFIG_CPU_SH7763
+ ECMR_TRCCM=0x04000000, ECMR_RCSC= 0x00800000, ECMR_DPAD= 0x00200000,
+ ECMR_RZPF = 0x00100000,
+#endif
+ ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
+ ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
+ ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
+ ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002,
+ ECMR_PRM = 0x00000001,
+};
+
+#ifdef CONFIG_CPU_SH7763
+#define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \
+ ECMR_TXF | ECMR_MCT)
+#else
+#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR ECMR_RXF | ECMR_TXF | ECMR_MCT)
+#endif
+
+/* ECSR */
+enum ECSR_STATUS_BIT {
+#ifndef CONFIG_CPU_SH7763
+ ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
+#endif
+ ECSR_LCHNG = 0x04,
+ ECSR_MPD = 0x02, ECSR_ICD = 0x01,
+};
+
+#ifdef CONFIG_CPU_SH7763
+# define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP)
+#else
+# define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \
+ ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP)
+#endif
+
+/* ECSIPR */
+enum ECSIPR_STATUS_MASK_BIT {
+#ifndef CONFIG_CPU_SH7763
+ ECSIPR_BRCRXIP = 0x20, ECSIPR_PSRTOIP = 0x10,
+#endif
+ ECSIPR_LCHNGIP = 0x04,
+ ECSIPR_MPDIP = 0x02, ECSIPR_ICDIP = 0x01,
+};
+
+#ifdef CONFIG_CPU_SH7763
+# define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
+#else
+# define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \
+ ECSIPR_ICDIP | ECSIPR_MPDIP)
+#endif
+
+/* APR */
+enum APR_BIT {
+ APR_AP = 0x00000004,
+};
+
+/* MPR */
+enum MPR_BIT {
+ MPR_MP = 0x00000006,
+};
+
+/* TRSCER */
+enum DESC_I_BIT {
+ DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
+ DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
+ DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
+ DESC_I_RINT1 = 0x0001,
+};
+
+/* RPADIR */
+enum RPADIR_BIT {
+ RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
+ RPADIR_PADR = 0x0003f,
+};
+
+#ifdef CONFIG_CPU_SH7763
+# define RPADIR_INIT (0x00)
+#else
+# define RPADIR_INIT (RPADIR_PADS1)
+#endif
+
+/* FDR */
+enum FIFO_SIZE_BIT {
+ FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
+};
+
+enum PHY_OFFSETS {
+ PHY_CTRL = 0, PHY_STAT = 1, PHY_IDT1 = 2, PHY_IDT2 = 3,
+ PHY_ANA = 4, PHY_ANL = 5, PHY_ANE = 6,
+ PHY_16 = 16,
+};
+
+/* PHY_CTRL */
+enum PHY_CTRL_BIT {
+ PHY_C_RESET = 0x8000, PHY_C_LOOPBK = 0x4000, PHY_C_SPEEDSL = 0x2000,
+ PHY_C_ANEGEN = 0x1000, PHY_C_PWRDN = 0x0800, PHY_C_ISO = 0x0400,
+ PHY_C_RANEG = 0x0200, PHY_C_DUPLEX = 0x0100, PHY_C_COLT = 0x0080,
+};
+#define DM9161_PHY_C_ANEGEN 0 /* auto nego special */
+
+/* PHY_STAT */
+enum PHY_STAT_BIT {
+ PHY_S_100T4 = 0x8000, PHY_S_100X_F = 0x4000, PHY_S_100X_H = 0x2000,
+ PHY_S_10T_F = 0x1000, PHY_S_10T_H = 0x0800, PHY_S_ANEGC = 0x0020,
+ PHY_S_RFAULT = 0x0010, PHY_S_ANEGA = 0x0008, PHY_S_LINK = 0x0004,
+ PHY_S_JAB = 0x0002, PHY_S_EXTD = 0x0001,
+};
+
+/* PHY_ANA */
+enum PHY_ANA_BIT {
+ PHY_A_NP = 0x8000, PHY_A_ACK = 0x4000, PHY_A_RF = 0x2000,
+ PHY_A_FCS = 0x0400, PHY_A_T4 = 0x0200, PHY_A_FDX = 0x0100,
+ PHY_A_HDX = 0x0080, PHY_A_10FDX = 0x0040, PHY_A_10HDX = 0x0020,
+ PHY_A_SEL = 0x001e,
+ PHY_A_EXT = 0x0001,
+};
+
+/* PHY_ANL */
+enum PHY_ANL_BIT {
+ PHY_L_NP = 0x8000, PHY_L_ACK = 0x4000, PHY_L_RF = 0x2000,
+ PHY_L_FCS = 0x0400, PHY_L_T4 = 0x0200, PHY_L_FDX = 0x0100,
+ PHY_L_HDX = 0x0080, PHY_L_10FDX = 0x0040, PHY_L_10HDX = 0x0020,
+ PHY_L_SEL = 0x001f,
+};
+
+/* PHY_ANE */
+enum PHY_ANE_BIT {
+ PHY_E_PDF = 0x0010, PHY_E_LPNPA = 0x0008, PHY_E_NPA = 0x0004,
+ PHY_E_PRX = 0x0002, PHY_E_LPANEGA = 0x0001,
+};
+
+/* DM9161 */
+enum PHY_16_BIT {
+ PHY_16_BP4B45 = 0x8000, PHY_16_BPSCR = 0x4000, PHY_16_BPALIGN = 0x2000,
+ PHY_16_BP_ADPOK = 0x1000, PHY_16_Repeatmode = 0x0800,
+ PHY_16_TXselect = 0x0400,
+ PHY_16_Rsvd = 0x0200, PHY_16_RMIIEnable = 0x0100,
+ PHY_16_Force100LNK = 0x0080,
+ PHY_16_APDLED_CTL = 0x0040, PHY_16_COLLED_CTL = 0x0020,
+ PHY_16_RPDCTR_EN = 0x0010,
+ PHY_16_ResetStMch = 0x0008, PHY_16_PreamSupr = 0x0004,
+ PHY_16_Sleepmode = 0x0002,
+ PHY_16_RemoteLoopOut = 0x0001,
+};
projects / people / ms / u-boot.git / commitdiff
