* r8169.c: Etherboot device driver for the RealTek RTL-8169 Gigabit
* Written 2003 by Timothy Legge <tlegge@rogers.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.
+ * SPDX-License-Identifier: GPL-2.0+
*
* Portions of this code based on:
* r8169.c: A RealTek RTL-8169 Gigabit Ethernet driver
*
* Indent Options: indent -kr -i8
***************************************************************************/
-
+/*
+ * 26 August 2006 Mihai Georgian <u-boot@linuxnotincluded.org.uk>
+ * Modified to use le32_to_cpu and cpu_to_le32 properly
+ */
#include <common.h>
#include <malloc.h>
#include <net.h>
+#include <netdev.h>
#include <asm/io.h>
#include <pci.h>
-#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \
- defined(CONFIG_RTL8169)
-
#undef DEBUG_RTL8169
#undef DEBUG_RTL8169_TX
#undef DEBUG_RTL8169_RX
static u32 ioaddr;
/* Condensed operations for readability. */
-#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr))
-#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr))
-
#define currticks() get_timer(0)
-#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, a)
-#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, a)
/* media options */
#define MAX_UNITS 8
#define RTL_MIN_IO_SIZE 0x80
#define TX_TIMEOUT (6*HZ)
-/* write/read MMIO register */
+/* write/read MMIO register. Notice: {read,write}[wl] do the necessary swapping */
#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
#define ETH_ALEN MAC_ADDR_LEN
#define ETH_ZLEN 60
+#define bus_to_phys(a) pci_mem_to_phys((pci_dev_t)dev->priv, (pci_addr_t)a)
+#define phys_to_bus(a) pci_phys_to_mem((pci_dev_t)dev->priv, (phys_addr_t)a)
+
enum RTL8169_registers {
MAC0 = 0, /* Ethernet hardware address. */
MAR0 = 8, /* Multicast filter. */
- TxDescStartAddr = 0x20,
- TxHDescStartAddr = 0x28,
+ TxDescStartAddrLow = 0x20,
+ TxDescStartAddrHigh = 0x24,
+ TxHDescStartAddrLow = 0x28,
+ TxHDescStartAddrHigh = 0x2c,
FLASH = 0x30,
ERSR = 0x36,
ChipCmd = 0x37,
PHYstatus = 0x6C,
RxMaxSize = 0xDA,
CPlusCmd = 0xE0,
- RxDescStartAddr = 0xE4,
+ RxDescStartAddrLow = 0xE4,
+ RxDescStartAddrHigh = 0xE8,
EarlyTxThres = 0xEC,
FuncEvent = 0xF0,
FuncEventMask = 0xF4,
PHY_Enable_Auto_Nego = 0x1000,
/* PHY_STAT_REG = 1; */
- PHY_Auto_Neco_Comp = 0x0020,
+ PHY_Auto_Nego_Comp = 0x0020,
/* PHY_AUTO_NEGO_REG = 4; */
PHY_Cap_10_Half = 0x0020,
} rtl_chip_info[] = {
{"RTL-8169", 0x00, 0xff7e1880,},
{"RTL-8169", 0x04, 0xff7e1880,},
+ {"RTL-8169", 0x00, 0xff7e1880,},
+ {"RTL-8169s/8110s", 0x02, 0xff7e1880,},
+ {"RTL-8169s/8110s", 0x04, 0xff7e1880,},
+ {"RTL-8169sb/8110sb", 0x10, 0xff7e1880,},
+ {"RTL-8169sc/8110sc", 0x18, 0xff7e1880,},
+ {"RTL-8168b/8111sb", 0x30, 0xff7e1880,},
+ {"RTL-8168b/8111sb", 0x38, 0xff7e1880,},
+ {"RTL-8168d/8111d", 0x28, 0xff7e1880,},
+ {"RTL-8168evl/8111evl", 0x2e, 0xff7e1880,},
+ {"RTL-8101e", 0x34, 0xff7e1880,},
+ {"RTL-8100e", 0x32, 0xff7e1880,},
};
enum _DescStatusBit {
(RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
static struct pci_device_id supported[] = {
+ {PCI_VENDOR_ID_REALTEK, 0x8167},
+ {PCI_VENDOR_ID_REALTEK, 0x8168},
{PCI_VENDOR_ID_REALTEK, 0x8169},
{}
};
return value;
}
-#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
-
static int rtl8169_init_board(struct eth_device *dev)
{
int i;
/* if unknown chip, assume array element #0, original RTL-8169 in this case */
printf("PCI device %s: unknown chip version, assuming RTL-8169\n", dev->name);
- printf("PCI device: TxConfig = 0x%hX\n", (unsigned long) RTL_R32(TxConfig));
+ printf("PCI device: TxConfig = 0x%lX\n", (unsigned long) RTL_R32(TxConfig));
tpc->chipset = 0;
match:
return 0;
}
+/*
+ * Cache maintenance functions. These are simple wrappers around the more
+ * general purpose flush_cache() and invalidate_dcache_range() functions.
+ */
+
+static void rtl_inval_rx_desc(struct RxDesc *desc)
+{
+ unsigned long start = (unsigned long)desc & ~(ARCH_DMA_MINALIGN - 1);
+ unsigned long end = ALIGN(start + sizeof(*desc), ARCH_DMA_MINALIGN);
+
+ invalidate_dcache_range(start, end);
+}
+
+static void rtl_flush_rx_desc(struct RxDesc *desc)
+{
+ flush_cache((unsigned long)desc, sizeof(*desc));
+}
+
+static void rtl_inval_tx_desc(struct TxDesc *desc)
+{
+ unsigned long start = (unsigned long)desc & ~(ARCH_DMA_MINALIGN - 1);
+ unsigned long end = ALIGN(start + sizeof(*desc), ARCH_DMA_MINALIGN);
+
+ invalidate_dcache_range(start, end);
+}
+
+static void rtl_flush_tx_desc(struct TxDesc *desc)
+{
+ flush_cache((unsigned long)desc, sizeof(*desc));
+}
+
+static void rtl_inval_buffer(void *buf, size_t size)
+{
+ unsigned long start = (unsigned long)buf & ~(ARCH_DMA_MINALIGN - 1);
+ unsigned long end = ALIGN(start + size, ARCH_DMA_MINALIGN);
+
+ invalidate_dcache_range(start, end);
+}
+
+static void rtl_flush_buffer(void *buf, size_t size)
+{
+ flush_cache((unsigned long)buf, size);
+}
+
/**************************************************************************
RECV - Receive a frame
***************************************************************************/
ioaddr = dev->iobase;
cur_rx = tpc->cur_rx;
- if ((tpc->RxDescArray[cur_rx].status & OWNbit) == 0) {
- if (!(tpc->RxDescArray[cur_rx].status & RxRES)) {
+
+ rtl_inval_rx_desc(&tpc->RxDescArray[cur_rx]);
+
+ if ((le32_to_cpu(tpc->RxDescArray[cur_rx].status) & OWNbit) == 0) {
+ if (!(le32_to_cpu(tpc->RxDescArray[cur_rx].status) & RxRES)) {
unsigned char rxdata[RX_BUF_LEN];
- length = (int) (tpc->RxDescArray[cur_rx].
- status & 0x00001FFF) - 4;
+ length = (int) (le32_to_cpu(tpc->RxDescArray[cur_rx].
+ status) & 0x00001FFF) - 4;
+ rtl_inval_buffer(tpc->RxBufferRing[cur_rx], length);
memcpy(rxdata, tpc->RxBufferRing[cur_rx], length);
- NetReceive(rxdata, length);
if (cur_rx == NUM_RX_DESC - 1)
tpc->RxDescArray[cur_rx].status =
- (OWNbit | EORbit) + RX_BUF_SIZE;
+ cpu_to_le32((OWNbit | EORbit) + RX_BUF_SIZE);
else
tpc->RxDescArray[cur_rx].status =
- OWNbit + RX_BUF_SIZE;
+ cpu_to_le32(OWNbit + RX_BUF_SIZE);
tpc->RxDescArray[cur_rx].buf_addr =
- virt_to_bus(tpc->RxBufferRing[cur_rx]);
+ cpu_to_le32(bus_to_phys(tpc->RxBufferRing[cur_rx]));
+ rtl_flush_rx_desc(&tpc->RxDescArray[cur_rx]);
+
+ NetReceive(rxdata, length);
} else {
puts("Error Rx");
}
tpc->cur_rx = cur_rx;
return 1;
+ } else {
+ ushort sts = RTL_R8(IntrStatus);
+ RTL_W8(IntrStatus, sts & ~(TxErr | RxErr | SYSErr));
+ udelay(100); /* wait */
}
tpc->cur_rx = cur_rx;
return (0); /* initially as this is called to flush the input */
/**************************************************************************
SEND - Transmit a frame
***************************************************************************/
-static int rtl_send(struct eth_device *dev, volatile void *packet, int length)
+static int rtl_send(struct eth_device *dev, void *packet, int length)
{
/* send the packet to destination */
u8 *ptxb;
int entry = tpc->cur_tx % NUM_TX_DESC;
u32 len = length;
+ int ret;
#ifdef DEBUG_RTL8169_TX
int stime = currticks();
/* point to the current txb incase multiple tx_rings are used */
ptxb = tpc->Tx_skbuff[entry * MAX_ETH_FRAME_SIZE];
memcpy(ptxb, (char *)packet, (int)length);
+ rtl_flush_buffer(ptxb, length);
while (len < ETH_ZLEN)
ptxb[len++] = '\0';
- tpc->TxDescArray[entry].buf_addr = virt_to_bus(ptxb);
+ tpc->TxDescArray[entry].buf_Haddr = 0;
+ tpc->TxDescArray[entry].buf_addr = cpu_to_le32(bus_to_phys(ptxb));
if (entry != (NUM_TX_DESC - 1)) {
tpc->TxDescArray[entry].status =
- (OWNbit | FSbit | LSbit) | ((len > ETH_ZLEN) ?
- len : ETH_ZLEN);
+ cpu_to_le32((OWNbit | FSbit | LSbit) |
+ ((len > ETH_ZLEN) ? len : ETH_ZLEN));
} else {
tpc->TxDescArray[entry].status =
- (OWNbit | EORbit | FSbit | LSbit) |
- ((len > ETH_ZLEN) ? length : ETH_ZLEN);
+ cpu_to_le32((OWNbit | EORbit | FSbit | LSbit) |
+ ((len > ETH_ZLEN) ? len : ETH_ZLEN));
}
+ rtl_flush_tx_desc(&tpc->TxDescArray[entry]);
RTL_W8(TxPoll, 0x40); /* set polling bit */
tpc->cur_tx++;
to = currticks() + TX_TIMEOUT;
- while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */
+ do {
+ rtl_inval_tx_desc(&tpc->TxDescArray[entry]);
+ } while ((le32_to_cpu(tpc->TxDescArray[entry].status) & OWNbit)
+ && (currticks() < to)); /* wait */
if (currticks() >= to) {
#ifdef DEBUG_RTL8169_TX
- puts ("tx timeout/error\n");
- printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime);
+ puts("tx timeout/error\n");
+ printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
#endif
- return 0;
+ ret = 0;
} else {
#ifdef DEBUG_RTL8169_TX
puts("tx done\n");
#endif
- return length;
+ ret = length;
}
+ /* Delay to make net console (nc) work properly */
+ udelay(20);
+ return ret;
}
static void rtl8169_set_rx_mode(struct eth_device *dev)
#endif
RTL_W8(Cfg9346, Cfg9346_Unlock);
- RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
+ /* RTL-8169sb/8110sb or previous version */
+ if (tpc->chipset <= 5)
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
RTL_W8(EarlyTxThres, EarlyTxThld);
/* For gigabit rtl8169 */
tpc->cur_rx = 0;
- RTL_W32(TxDescStartAddr, virt_to_le32desc(tpc->TxDescArray));
- RTL_W32(RxDescStartAddr, virt_to_le32desc(tpc->RxDescArray));
+ RTL_W32(TxDescStartAddrLow, bus_to_phys(tpc->TxDescArray));
+ RTL_W32(TxDescStartAddrHigh, (unsigned long)0);
+ RTL_W32(RxDescStartAddrLow, bus_to_phys(tpc->RxDescArray));
+ RTL_W32(RxDescStartAddrHigh, (unsigned long)0);
+
+ /* RTL-8169sc/8110sc or later version */
+ if (tpc->chipset > 5)
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
RTL_W8(Cfg9346, Cfg9346_Lock);
udelay(10);
RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
#ifdef DEBUG_RTL8169
- printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime);
+ printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
#endif
}
for (i = 0; i < NUM_RX_DESC; i++) {
if (i == (NUM_RX_DESC - 1))
tpc->RxDescArray[i].status =
- (OWNbit | EORbit) + RX_BUF_SIZE;
+ cpu_to_le32((OWNbit | EORbit) + RX_BUF_SIZE);
else
- tpc->RxDescArray[i].status = OWNbit + RX_BUF_SIZE;
+ tpc->RxDescArray[i].status =
+ cpu_to_le32(OWNbit + RX_BUF_SIZE);
tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE];
tpc->RxDescArray[i].buf_addr =
- virt_to_bus(tpc->RxBufferRing[i]);
+ cpu_to_le32(bus_to_phys(tpc->RxBufferRing[i]));
+ rtl_flush_rx_desc(&tpc->RxDescArray[i]);
}
#ifdef DEBUG_RTL8169
- printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime);
+ printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
#endif
}
/**************************************************************************
RESET - Finish setting up the ethernet interface
***************************************************************************/
-static void rtl_reset(struct eth_device *dev, bd_t *bis)
+static int rtl_reset(struct eth_device *dev, bd_t *bis)
{
int i;
- u8 diff;
- u32 TxPhyAddr, RxPhyAddr;
#ifdef DEBUG_RTL8169
int stime = currticks();
#endif
tpc->TxDescArrays = tx_ring;
- if (tpc->TxDescArrays == 0)
- puts("Allot Error");
/* Tx Desscriptor needs 256 bytes alignment; */
- TxPhyAddr = virt_to_bus(tpc->TxDescArrays);
- diff = 256 - (TxPhyAddr - ((TxPhyAddr >> 8) << 8));
- TxPhyAddr += diff;
- tpc->TxDescArray = (struct TxDesc *) (tpc->TxDescArrays + diff);
+ tpc->TxDescArray = (struct TxDesc *) ((unsigned long)(tpc->TxDescArrays +
+ 255) & ~255);
tpc->RxDescArrays = rx_ring;
/* Rx Desscriptor needs 256 bytes alignment; */
- RxPhyAddr = virt_to_bus(tpc->RxDescArrays);
- diff = 256 - (RxPhyAddr - ((RxPhyAddr >> 8) << 8));
- RxPhyAddr += diff;
- tpc->RxDescArray = (struct RxDesc *) (tpc->RxDescArrays + diff);
-
- if (tpc->TxDescArrays == NULL || tpc->RxDescArrays == NULL) {
- puts("Allocate RxDescArray or TxDescArray failed\n");
- return;
- }
+ tpc->RxDescArray = (struct RxDesc *) ((unsigned long)(tpc->RxDescArrays +
+ 255) & ~255);
rtl8169_init_ring(dev);
rtl8169_hw_start(dev);
txb[5] = dev->enetaddr[5];
#ifdef DEBUG_RTL8169
- printf ("%s elapsed time : %d\n", __FUNCTION__, currticks()-stime);
+ printf("%s elapsed time : %lu\n", __func__, currticks()-stime);
#endif
+ return 0;
}
/**************************************************************************
static int rtl_init(struct eth_device *dev, bd_t *bis)
{
static int board_idx = -1;
- static int printed_version = 0;
int i, rc;
int option = -1, Cap10_100 = 0, Cap1000 = 0;
board_idx++;
- printed_version = 1;
-
/* point to private storage */
tpc = &tpx;
dev->enetaddr[i] = RTL_R8(MAC0 + i);
#ifdef DEBUG_RTL8169
+ printf("chipset = %d\n", tpc->chipset);
printf("MAC Address");
for (i = 0; i < MAC_ADDR_LEN; i++)
printf(":%02x", dev->enetaddr[i]);
/* wait for auto-negotiation process */
for (i = 10000; i > 0; i--) {
/* check if auto-negotiation complete */
- if (mdio_read(PHY_STAT_REG) & PHY_Auto_Neco_Comp) {
+ if (mdio_read(PHY_STAT_REG) & PHY_Auto_Nego_Comp) {
udelay(100);
option = RTL_R8(PHYstatus);
if (option & _1000bpsF) {
#endif
} else {
#ifdef DEBUG_RTL8169
- printf
- ("%s: %sMbps %s-duplex operation.\n",
- dev->name,
- (option & _100bps) ? "100" :
- "10",
- (option & FullDup) ? "Full" :
- "Half");
+ printf("%s: %sMbps %s-duplex operation.\n",
+ dev->name,
+ (option & _100bps) ? "100" :
+ "10",
+ (option & FullDup) ? "Full" :
+ "Half");
#endif
}
break;
int idx=0;
while(1){
+ unsigned int region;
+ u16 device;
+
/* Find RTL8169 */
if ((devno = pci_find_devices(supported, idx++)) < 0)
break;
- pci_read_config_dword(devno, PCI_BASE_ADDRESS_1, &iobase);
+ pci_read_config_word(devno, PCI_DEVICE_ID, &device);
+ switch (device) {
+ case 0x8168:
+ region = 2;
+ break;
+
+ default:
+ region = 1;
+ break;
+ }
+
+ pci_read_config_dword(devno, PCI_BASE_ADDRESS_0 + (region * 4), &iobase);
iobase &= ~0xf;
debug ("rtl8169: REALTEK RTL8169 @0x%x\n", iobase);
dev = (struct eth_device *)malloc(sizeof *dev);
+ if (!dev) {
+ printf("Can not allocate memory of rtl8169\n");
+ break;
+ }
+ memset(dev, 0, sizeof(*dev));
sprintf (dev->name, "RTL8169#%d", card_number);
dev->priv = (void *) devno;
- dev->iobase = (int)bus_to_phys(iobase);
+ dev->iobase = (int)pci_mem_to_phys(devno, iobase);
dev->init = rtl_reset;
dev->halt = rtl_halt;
}
return card_number;
}
-
-#endif
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