X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fsh_eth.c;h=451c33e1a199ad7ce98ee82b0140116c1e8b5d03;hb=7bee1c91a94db19bd26f92cc67be35d3592c6429;hp=268d88428c0227490d3e6e8e9f030883c71ea5d3;hpb=11af8d65274df736deeb651d12e0763eec527ea5;p=u-boot diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 268d88428c..451c33e1a1 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -1,23 +1,12 @@ /* - * sh_eth.c - Driver for Renesas SH7763's ethernet controler. + * sh_eth.c - Driver for Renesas ethernet controler. * * Copyright (C) 2008, 2011 Renesas Solutions Corp. * Copyright (c) 2008, 2011 Nobuhiro Iwamatsu * Copyright (c) 2007 Carlos Munoz + * Copyright (C) 2013 Renesas Electronics Corporation * - * 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+ */ #include @@ -37,13 +26,31 @@ #ifndef CONFIG_SH_ETHER_PHY_ADDR # error "Please define CONFIG_SH_ETHER_PHY_ADDR" #endif -#ifdef CONFIG_SH_ETHER_CACHE_WRITEBACK -#define flush_cache_wback(addr, len) \ - dcache_wback_range((u32)addr, (u32)(addr + len - 1)) + +#if defined(CONFIG_SH_ETHER_CACHE_WRITEBACK) && !defined(CONFIG_SYS_DCACHE_OFF) +#define flush_cache_wback(addr, len) \ + flush_dcache_range((u32)addr, (u32)(addr + len - 1)) #else #define flush_cache_wback(...) #endif +#if defined(CONFIG_SH_ETHER_CACHE_INVALIDATE) && defined(CONFIG_ARM) +#define invalidate_cache(addr, len) \ + { \ + u32 line_size = CONFIG_SH_ETHER_ALIGNE_SIZE; \ + u32 start, end; \ + \ + start = (u32)addr; \ + end = start + len; \ + start &= ~(line_size - 1); \ + end = ((end + line_size - 1) & ~(line_size - 1)); \ + \ + invalidate_dcache_range(start, end); \ + } +#else +#define invalidate_cache(...) +#endif + #define TIMEOUT_CNT 1000 int sh_eth_send(struct eth_device *dev, void *packet, int len) @@ -60,7 +67,8 @@ int sh_eth_send(struct eth_device *dev, void *packet, int len) /* packet must be a 4 byte boundary */ if ((int)packet & 3) { - printf(SHETHER_NAME ": %s: packet not 4 byte alligned\n", __func__); + printf(SHETHER_NAME ": %s: packet not 4 byte alligned\n" + , __func__); ret = -EFAULT; goto err; } @@ -76,13 +84,16 @@ int sh_eth_send(struct eth_device *dev, void *packet, int len) 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)); + if (!(sh_eth_read(eth, EDTRR) & EDTRR_TRNS)) + sh_eth_write(eth, EDTRR_TRNS, EDTRR); /* Wait until packet is transmitted */ timeout = TIMEOUT_CNT; - while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--) + do { + invalidate_cache(port_info->tx_desc_cur, + sizeof(struct tx_desc_s)); udelay(100); + } while (port_info->tx_desc_cur->td0 & TD_TACT && timeout--); if (timeout < 0) { printf(SHETHER_NAME ": transmit timeout\n"); @@ -106,12 +117,14 @@ int sh_eth_recv(struct eth_device *dev) uchar *packet; /* Check if the rx descriptor is ready */ + invalidate_cache(port_info->rx_desc_cur, sizeof(struct rx_desc_s)); 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 = (uchar *) ADDR_TO_P2(port_info->rx_desc_cur->rd2); + invalidate_cache(packet, len); NetReceive(packet, len); } @@ -120,7 +133,6 @@ int sh_eth_recv(struct eth_device *dev) 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 >= @@ -129,25 +141,24 @@ int sh_eth_recv(struct eth_device *dev) } /* Restart the receiver if disabled */ - if (!(inl(EDRRR(port)) & EDRRR_R)) - outl(EDRRR_R, EDRRR(port)); + if (!(sh_eth_read(eth, EDRRR) & EDRRR_R)) + sh_eth_write(eth, EDRRR_R, EDRRR); return len; } static int sh_eth_reset(struct sh_eth_dev *eth) { - int port = eth->port; -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) int ret = 0, i; /* Start e-dmac transmitter and receiver */ - outl(EDSR_ENALL, EDSR(port)); + sh_eth_write(eth, EDSR_ENALL, EDSR); /* Perform a software reset and wait for it to complete */ - outl(EDMR_SRST, EDMR(port)); - for (i = 0; i < TIMEOUT_CNT ; i++) { - if (!(inl(EDMR(port)) & EDMR_SRST)) + sh_eth_write(eth, EDMR_SRST, EDMR); + for (i = 0; i < TIMEOUT_CNT; i++) { + if (!(sh_eth_read(eth, EDMR) & EDMR_SRST)) break; udelay(1000); } @@ -159,9 +170,9 @@ static int sh_eth_reset(struct sh_eth_dev *eth) return ret; #else - outl(inl(EDMR(port)) | EDMR_SRST, EDMR(port)); + sh_eth_write(eth, sh_eth_read(eth, EDMR) | EDMR_SRST, EDMR); udelay(3000); - outl(inl(EDMR(port)) & ~EDMR_SRST, EDMR(port)); + sh_eth_write(eth, sh_eth_read(eth, EDMR) & ~EDMR_SRST, EDMR); return 0; #endif @@ -207,11 +218,11 @@ static int sh_eth_tx_desc_init(struct sh_eth_dev *eth) /* Point the controller to the tx descriptor list. Must use physical addresses */ - outl(ADDR_TO_PHY(port_info->tx_desc_base), TDLAR(port)); -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) - 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 */ + sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDLAR); +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) + sh_eth_write(eth, ADDR_TO_PHY(port_info->tx_desc_base), TDFAR); + sh_eth_write(eth, ADDR_TO_PHY(cur_tx_desc), TDFXR); + sh_eth_write(eth, 0x01, TDFFR);/* Last discriptor bit */ #endif err: @@ -250,15 +261,17 @@ static int sh_eth_rx_desc_init(struct sh_eth_dev *eth) * Allocate rx data buffers. They must be 32 bytes aligned and in * P2 area */ - port_info->rx_buf_malloc = malloc(NUM_RX_DESC * MAX_BUF_SIZE + 31); + port_info->rx_buf_malloc = malloc( + NUM_RX_DESC * MAX_BUF_SIZE + RX_BUF_ALIGNE_SIZE - 1); if (!port_info->rx_buf_malloc) { printf(SHETHER_NAME ": malloc failed\n"); ret = -ENOMEM; goto err_buf_malloc; } - tmp_addr = (u32)(((int)port_info->rx_buf_malloc + (32 - 1)) & - ~(32 - 1)); + tmp_addr = (u32)(((int)port_info->rx_buf_malloc + + (RX_BUF_ALIGNE_SIZE - 1)) & + ~(RX_BUF_ALIGNE_SIZE - 1)); port_info->rx_buf_base = (u8 *)ADDR_TO_P2(tmp_addr); /* Initialize all descriptors */ @@ -275,11 +288,11 @@ static int sh_eth_rx_desc_init(struct sh_eth_dev *eth) 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)); -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) - 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)); + sh_eth_write(eth, ADDR_TO_PHY(port_info->rx_desc_base), RDLAR); +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) + sh_eth_write(eth, ADDR_TO_PHY(port_info->rx_desc_base), RDFAR); + sh_eth_write(eth, ADDR_TO_PHY(cur_rx_desc), RDFXR); + sh_eth_write(eth, RDFFR_RDLF, RDFFR); #endif return ret; @@ -364,49 +377,45 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) struct phy_device *phy; /* 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)); -#if !defined(CONFIG_CPU_SH7757) && !defined(CONFIG_CPU_SH7724) - outl(0, RPADIR(port)); + sh_eth_write(eth, (sh_eth_read(eth, EDMR) & ~EMDR_DESC_R) | + (EMDR_DESC | EDMR_EL), EDMR); + + sh_eth_write(eth, 0, EESIPR); + sh_eth_write(eth, 0, TRSCER); + sh_eth_write(eth, 0, TFTR); + sh_eth_write(eth, (FIFO_SIZE_T | FIFO_SIZE_R), FDR); + sh_eth_write(eth, RMCR_RST, RMCR); +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) + sh_eth_write(eth, 0, RPADIR); #endif - outl((FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR(port)); + sh_eth_write(eth, (FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR); /* Configure e-mac registers */ -#if defined(CONFIG_CPU_SH7757) - outl(ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | - ECSIPR_MPDIP | ECSIPR_ICDIP, ECSIPR(port)); -#else - outl(0, ECSIPR(port)); -#endif + sh_eth_write(eth, 0, ECSIPR); /* Set Mac address */ val = dev->enetaddr[0] << 24 | dev->enetaddr[1] << 16 | dev->enetaddr[2] << 8 | dev->enetaddr[3]; - outl(val, MAHR(port)); + sh_eth_write(eth, val, MAHR); val = dev->enetaddr[4] << 8 | dev->enetaddr[5]; - outl(val, MALR(port)); + sh_eth_write(eth, val, MALR); - outl(RFLR_RFL_MIN, RFLR(port)); -#if !defined(CONFIG_CPU_SH7757) && !defined(CONFIG_CPU_SH7724) - outl(0, PIPR(port)); -#endif -#if !defined(CONFIG_CPU_SH7724) - outl(APR_AP, APR(port)); - outl(MPR_MP, MPR(port)); + sh_eth_write(eth, RFLR_RFL_MIN, RFLR); +#if defined(SH_ETH_TYPE_GETHER) + sh_eth_write(eth, 0, PIPR); #endif -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) - outl(TPAUSER_TPAUSE, TPAUSER(port)); -#elif defined(CONFIG_CPU_SH7757) - outl(TPAUSER_UNLIMITED, TPAUSER(port)); +#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ) + sh_eth_write(eth, APR_AP, APR); + sh_eth_write(eth, MPR_MP, MPR); + sh_eth_write(eth, TPAUSER_TPAUSE, TPAUSER); #endif -#if defined(CONFIG_CPU_SH7734) - outl(CONFIG_SH_ETHER_SH7734_MII, RMII_MII(port)); +#if defined(CONFIG_CPU_SH7734) || defined(CONFIG_R8A7740) + sh_eth_write(eth, CONFIG_SH_ETHER_SH7734_MII, RMII_MII); +#elif defined(CONFIG_R8A7790) || defined(CONFIG_R8A7791) || \ + defined(CONFIG_R8A7794) + sh_eth_write(eth, sh_eth_read(eth, RMIIMR) | 0x1, RMIIMR); #endif /* Configure phy */ ret = sh_eth_phy_config(eth); @@ -426,35 +435,37 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) /* Set the transfer speed */ if (phy->speed == 100) { printf(SHETHER_NAME ": 100Base/"); -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) - outl(GECMR_100B, GECMR(port)); -#elif defined(CONFIG_CPU_SH7757) - outl(1, RTRATE(port)); -#elif defined(CONFIG_CPU_SH7724) +#if defined(SH_ETH_TYPE_GETHER) + sh_eth_write(eth, GECMR_100B, GECMR); +#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752) + sh_eth_write(eth, 1, RTRATE); +#elif defined(CONFIG_CPU_SH7724) || defined(CONFIG_R8A7790) || \ + defined(CONFIG_R8A7791) || defined(CONFIG_R8A7794) val = ECMR_RTM; #endif } else if (phy->speed == 10) { printf(SHETHER_NAME ": 10Base/"); -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) - outl(GECMR_10B, GECMR(port)); -#elif defined(CONFIG_CPU_SH7757) - outl(0, RTRATE(port)); +#if defined(SH_ETH_TYPE_GETHER) + sh_eth_write(eth, GECMR_10B, GECMR); +#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7752) + sh_eth_write(eth, 0, RTRATE); #endif } -#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734) +#if defined(SH_ETH_TYPE_GETHER) else if (phy->speed == 1000) { printf(SHETHER_NAME ": 1000Base/"); - outl(GECMR_1000B, GECMR(port)); + sh_eth_write(eth, GECMR_1000B, GECMR); } #endif /* Check if full duplex mode is supported by the phy */ if (phy->duplex) { printf("Full\n"); - outl(val | (ECMR_CHG_DM|ECMR_RE|ECMR_TE|ECMR_DM), ECMR(port)); + sh_eth_write(eth, val | (ECMR_CHG_DM|ECMR_RE|ECMR_TE|ECMR_DM), + ECMR); } else { printf("Half\n"); - outl(val | (ECMR_CHG_DM|ECMR_RE|ECMR_TE), ECMR(port)); + sh_eth_write(eth, val | (ECMR_CHG_DM|ECMR_RE|ECMR_TE), ECMR); } return ret; @@ -469,12 +480,12 @@ static void sh_eth_start(struct sh_eth_dev *eth) * Enable the e-dmac receiver only. The transmitter will be enabled when * we have something to transmit */ - outl(EDRRR_R, EDRRR(eth->port)); + sh_eth_write(eth, EDRRR_R, EDRRR); } static void sh_eth_stop(struct sh_eth_dev *eth) { - outl(~EDRRR_R, EDRRR(eth->port)); + sh_eth_write(eth, ~EDRRR_R, EDRRR); } int sh_eth_init(struct eth_device *dev, bd_t *bd) @@ -514,41 +525,41 @@ void sh_eth_halt(struct eth_device *dev) int sh_eth_initialize(bd_t *bd) { - int ret = 0; + int ret = 0; struct sh_eth_dev *eth = NULL; - struct eth_device *dev = NULL; + struct eth_device *dev = NULL; - eth = (struct sh_eth_dev *)malloc(sizeof(struct sh_eth_dev)); + eth = (struct sh_eth_dev *)malloc(sizeof(struct sh_eth_dev)); if (!eth) { printf(SHETHER_NAME ": %s: malloc failed\n", __func__); ret = -ENOMEM; goto err; } - dev = (struct eth_device *)malloc(sizeof(struct eth_device)); + dev = (struct eth_device *)malloc(sizeof(struct eth_device)); if (!dev) { printf(SHETHER_NAME ": %s: malloc failed\n", __func__); ret = -ENOMEM; goto err; } - memset(dev, 0, sizeof(struct eth_device)); - memset(eth, 0, sizeof(struct sh_eth_dev)); + memset(dev, 0, sizeof(struct eth_device)); + memset(eth, 0, sizeof(struct sh_eth_dev)); eth->port = CONFIG_SH_ETHER_USE_PORT; eth->port_info[eth->port].phy_addr = CONFIG_SH_ETHER_PHY_ADDR; - dev->priv = (void *)eth; - dev->iobase = 0; - dev->init = sh_eth_init; - dev->halt = sh_eth_halt; - dev->send = sh_eth_send; - dev->recv = sh_eth_recv; - eth->port_info[eth->port].dev = dev; + dev->priv = (void *)eth; + dev->iobase = 0; + dev->init = sh_eth_init; + dev->halt = sh_eth_halt; + dev->send = sh_eth_send; + dev->recv = sh_eth_recv; + eth->port_info[eth->port].dev = dev; sprintf(dev->name, SHETHER_NAME); - /* Register Device to EtherNet subsystem */ - eth_register(dev); + /* Register Device to EtherNet subsystem */ + eth_register(dev); bb_miiphy_buses[0].priv = eth; miiphy_register(dev->name, bb_miiphy_read, bb_miiphy_write); @@ -578,9 +589,8 @@ static int sh_eth_bb_init(struct bb_miiphy_bus *bus) static int sh_eth_bb_mdio_active(struct bb_miiphy_bus *bus) { struct sh_eth_dev *eth = bus->priv; - int port = eth->port; - outl(inl(PIR(port)) | PIR_MMD, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) | PIR_MMD, PIR); return 0; } @@ -588,9 +598,8 @@ static int sh_eth_bb_mdio_active(struct bb_miiphy_bus *bus) static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus) { struct sh_eth_dev *eth = bus->priv; - int port = eth->port; - outl(inl(PIR(port)) & ~PIR_MMD, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) & ~PIR_MMD, PIR); return 0; } @@ -598,12 +607,11 @@ static int sh_eth_bb_mdio_tristate(struct bb_miiphy_bus *bus) static int sh_eth_bb_set_mdio(struct bb_miiphy_bus *bus, int v) { struct sh_eth_dev *eth = bus->priv; - int port = eth->port; if (v) - outl(inl(PIR(port)) | PIR_MDO, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) | PIR_MDO, PIR); else - outl(inl(PIR(port)) & ~PIR_MDO, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) & ~PIR_MDO, PIR); return 0; } @@ -611,9 +619,8 @@ static int sh_eth_bb_set_mdio(struct bb_miiphy_bus *bus, int v) static int sh_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) { struct sh_eth_dev *eth = bus->priv; - int port = eth->port; - *v = (inl(PIR(port)) & PIR_MDI) >> 3; + *v = (sh_eth_read(eth, PIR) & PIR_MDI) >> 3; return 0; } @@ -621,12 +628,11 @@ static int sh_eth_bb_get_mdio(struct bb_miiphy_bus *bus, int *v) static int sh_eth_bb_set_mdc(struct bb_miiphy_bus *bus, int v) { struct sh_eth_dev *eth = bus->priv; - int port = eth->port; if (v) - outl(inl(PIR(port)) | PIR_MDC, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) | PIR_MDC, PIR); else - outl(inl(PIR(port)) & ~PIR_MDC, PIR(port)); + sh_eth_write(eth, sh_eth_read(eth, PIR) & ~PIR_MDC, PIR); return 0; }