X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=drivers%2Fnet%2Frtl8169.c;h=d040ab171bf53fc36612997bd1bd981f8d88700b;hp=6c4c9ff63ec05a00e5c69cc13b9900a3e74a51a7;hb=a891601ce51edbafa1a2750c96a618e4fcbca1c2;hpb=dd5748bcd669f46aeb6686c1b341323843738ccc diff --git a/drivers/net/rtl8169.c b/drivers/net/rtl8169.c index 6c4c9ff63e..d040ab171b 100644 --- a/drivers/net/rtl8169.c +++ b/drivers/net/rtl8169.c @@ -11,19 +11,7 @@ * r8169.c: Etherboot device driver for the RealTek RTL-8169 Gigabit * Written 2003 by Timothy Legge * -* 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 @@ -55,12 +43,10 @@ #include #include #include +#include #include #include -#if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) && \ - defined(CONFIG_RTL8169) - #undef DEBUG_RTL8169 #undef DEBUG_RTL8169_TX #undef DEBUG_RTL8169_RX @@ -112,11 +98,16 @@ static int media[MAX_UNITS] = { -1, -1, -1, -1, -1, -1, -1, -1 }; #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, @@ -141,7 +132,8 @@ enum RTL8169_registers { PHYstatus = 0x6C, RxMaxSize = 0xDA, CPlusCmd = 0xE0, - RxDescStartAddr = 0xE4, + RxDescStartAddrLow = 0xE4, + RxDescStartAddrHigh = 0xE8, EarlyTxThres = 0xEC, FuncEvent = 0xF0, FuncEventMask = 0xF4, @@ -254,6 +246,8 @@ static struct { {"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,}, }; @@ -322,6 +316,7 @@ static const unsigned int rtl8169_rx_config = static struct pci_device_id supported[] = { {PCI_VENDOR_ID_REALTEK, 0x8167}, + {PCI_VENDOR_ID_REALTEK, 0x8168}, {PCI_VENDOR_ID_REALTEK, 0x8169}, {} }; @@ -395,13 +390,57 @@ static int rtl8169_init_board(struct eth_device *dev) /* 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 ***************************************************************************/ @@ -419,12 +458,16 @@ static int rtl_recv(struct eth_device *dev) ioaddr = dev->iobase; cur_rx = tpc->cur_rx; + + 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) (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); @@ -435,7 +478,8 @@ static int rtl_recv(struct eth_device *dev) tpc->RxDescArray[cur_rx].status = cpu_to_le32(OWNbit + RX_BUF_SIZE); tpc->RxDescArray[cur_rx].buf_addr = - cpu_to_le32((unsigned long)tpc->RxBufferRing[cur_rx]); + cpu_to_le32(bus_to_phys(tpc->RxBufferRing[cur_rx])); + rtl_flush_rx_desc(&tpc->RxDescArray[cur_rx]); } else { puts("Error Rx"); } @@ -456,7 +500,7 @@ static int rtl_recv(struct eth_device *dev) /************************************************************************** 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 */ @@ -477,11 +521,13 @@ static int rtl_send(struct eth_device *dev, volatile void *packet, int length) /* 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 = cpu_to_le32((unsigned long)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 = cpu_to_le32((OWNbit | FSbit | LSbit) | @@ -491,17 +537,20 @@ static int rtl_send(struct eth_device *dev, volatile void *packet, int length) 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 ((le32_to_cpu(tpc->TxDescArray[entry].status) & OWNbit) + 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 ret = 0; } else { @@ -561,7 +610,11 @@ static void rtl8169_hw_start(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 */ @@ -579,8 +632,15 @@ static void rtl8169_hw_start(struct eth_device *dev) tpc->cur_rx = 0; - RTL_W32(TxDescStartAddr, (unsigned long)tpc->TxDescArray); - RTL_W32(RxDescStartAddr, (unsigned long)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); @@ -592,7 +652,7 @@ static void rtl8169_hw_start(struct eth_device *dev) 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 } @@ -625,11 +685,12 @@ static void rtl8169_init_ring(struct eth_device *dev) tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE]; tpc->RxDescArray[i].buf_addr = - cpu_to_le32((unsigned long)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 } @@ -670,7 +731,7 @@ static int rtl_reset(struct eth_device *dev, bd_t *bis) 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; } @@ -714,7 +775,6 @@ INIT - Look for an adapter, this routine's visible to the outside 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; @@ -726,8 +786,6 @@ static int rtl_init(struct eth_device *dev, bd_t *bis) board_idx++; - printed_version = 1; - /* point to private storage */ tpc = &tpx; @@ -737,9 +795,10 @@ static int rtl_init(struct eth_device *dev, bd_t *bis) /* Get MAC address. FIXME: read EEPROM */ for (i = 0; i < MAC_ADDR_LEN; i++) - bis->bi_enetaddr[i] = dev->enetaddr[i] = RTL_R8(MAC0 + i); + 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]); @@ -858,17 +917,36 @@ int rtl8169_initialize(bd_t *bis) 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; @@ -887,5 +965,3 @@ int rtl8169_initialize(bd_t *bis) } return card_number; } - -#endif