[U-Boot] [PATCH v2] net: sh_eth: add support for SH7757's ETHER
SH7757 has ETHER and GETHER. This patch supports EHTER only.
Signed-off-by: Yoshihiro Shimoda yoshihiro.shimoda.uh@renesas.com --- about v2: - remove unnecessary variable in sh_eth_config().
drivers/net/sh_eth.c | 37 +++++++++++++++++++++++++++++++++- drivers/net/sh_eth.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 86 insertions(+), 4 deletions(-)
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c index 53d918d..17dd0d2 100644 --- a/drivers/net/sh_eth.c +++ b/drivers/net/sh_eth.c @@ -277,6 +277,7 @@ int sh_eth_recv(struct eth_device *dev) static int sh_eth_reset(struct sh_eth_dev *eth) { int port = eth->port; +#if defined(CONFIG_CPU_SH7763) int ret = 0, i;
/* Start e-dmac transmitter and receiver */ @@ -296,6 +297,13 @@ static int sh_eth_reset(struct sh_eth_dev *eth) }
return ret; +#else + outl(inl(EDMR(port)) | EDMR_SRST, EDMR(port)); + udelay(3000); + outl(inl(EDMR(port)) & ~EDMR_SRST, EDMR(port)); + + return 0; +#endif }
static int sh_eth_tx_desc_init(struct sh_eth_dev *eth) @@ -339,9 +347,11 @@ 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) 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 */ +#endif
err: return ret; @@ -405,9 +415,11 @@ static int sh_eth_rx_desc_init(struct sh_eth_dev *eth)
/* Point the controller to the rx descriptor list */ outl(ADDR_TO_PHY(port_info->rx_desc_base), RDLAR(port)); +#if defined(CONFIG_CPU_SH7763) 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)); +#endif
return ret;
@@ -532,11 +544,18 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) outl(0, TFTR(port)); outl((FIFO_SIZE_T | FIFO_SIZE_R), FDR(port)); outl(RMCR_RST, RMCR(port)); +#ifndef CONFIG_CPU_SH7757 outl(0, RPADIR(port)); +#endif outl((FIFO_F_D_RFF | FIFO_F_D_RFD), FCFTR(port));
/* 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
/* Set Mac address */ val = dev->enetaddr[0] << 24 | dev->enetaddr[1] << 16 | @@ -547,11 +566,16 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) outl(val, MALR(port));
outl(RFLR_RFL_MIN, RFLR(port)); +#ifndef CONFIG_CPU_SH7757 outl(0, PIPR(port)); +#endif outl(APR_AP, APR(port)); outl(MPR_MP, MPR(port)); +#ifdef CONFIG_CPU_SH7757 + outl(TPAUSER_UNLIMITED, TPAUSER(port)); +#else outl(TPAUSER_TPAUSE, TPAUSER(port)); - +#endif /* Configure phy */ ret = sh_eth_phy_config(eth); if (ret) { @@ -562,6 +586,7 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) phy_status = sh_eth_mii_read_phy_reg(port, port_info->phy_addr, 1);
/* Set the transfer speed */ +#ifdef CONFIG_CPU_SH7763 if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) { printf(SHETHER_NAME ": 100Base/"); outl(GECMR_100B, GECMR(port)); @@ -569,6 +594,16 @@ static int sh_eth_config(struct sh_eth_dev *eth, bd_t *bd) printf(SHETHER_NAME ": 10Base/"); outl(GECMR_10B, GECMR(port)); } +#endif +#if defined(CONFIG_CPU_SH7757) + if (phy_status & (PHY_S_100X_F|PHY_S_100X_H)) { + printf("100Base/"); + outl(1, RTRATE(port)); + } else { + printf("10Base/"); + outl(0, RTRATE(port)); + } +#endif
/* Check if full duplex mode is supported by the phy */ if (phy_status & (PHY_S_100X_F|PHY_S_10T_F)) { diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h index e153849..51e5d5b 100644 --- a/drivers/net/sh_eth.h +++ b/drivers/net/sh_eth.h @@ -1,5 +1,5 @@ /* - * sh_eth.h - Driver for Renesas SH7763's gigabit ethernet controler. + * sh_eth.h - Driver for Renesas SuperH ethernet controler. * * Copyright (C) 2008 Renesas Solutions Corp. * Copyright (c) 2008 Nobuhiro Iwamatsu @@ -30,7 +30,11 @@ #define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000))
/* The ethernet controller needs to use physical addresses */ +#if defined(CONFIG_SH_32BIT) +#define ADDR_TO_PHY(addr) ((((int)(addr) & ~0xe0000000) | 0x40000000)) +#else #define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000) +#endif
/* Number of supported ports */ #define MAX_PORT_NUM 2 @@ -93,6 +97,7 @@ struct sh_eth_dev { };
/* Register Address */ +#ifdef CONFIG_CPU_SH7763 #define BASE_IO_ADDR 0xfee00000
#define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000) @@ -130,6 +135,34 @@ struct sh_eth_dev { #define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8) #define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0)
+#elif defined(CONFIG_CPU_SH7757) +#define BASE_IO_ADDR 0xfef00000 + +#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018) +#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0020) + +#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000) +#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0008) +#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010) +#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0028) +#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030) +#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038) +#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0048) +#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0050) +#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0058) +#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0070) +#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0100) +#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0108) +#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0118) +#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0120) +#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0154) +#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0158) +#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0164) +#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c0) +#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c8) +#define RTRATE(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01fc) +#endif + /* * Register's bits * Copy from Linux driver source code @@ -149,6 +182,10 @@ enum DMAC_M_BIT { EDMR_SRST = 0x03, EMDR_DESC_R = 0x30, /* Descriptor reserve size */ EDMR_EL = 0x40, /* Litte endian */ +#elif defined CONFIG_CPU_SH7757 + EDMR_SRST = 0x01, + EMDR_DESC_R = 0x30, /* Descriptor reserve size */ + EDMR_EL = 0x40, /* Litte endian */ #else /* CONFIG_CPU_SH7763 */ EDMR_SRST = 0x01, #endif @@ -287,7 +324,7 @@ enum FCFTR_BIT {
/* Transfer descriptor bit */ enum TD_STS_BIT { -#ifdef CONFIG_CPU_SH7763 +#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7757) TD_TACT = 0x80000000, #else TD_TACT = 0x7fffffff, @@ -317,8 +354,10 @@ enum FELIC_MODE_BIT { #ifdef CONFIG_CPU_SH7763 #define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \ ECMR_TXF | ECMR_MCT) +#elif CONFIG_CPU_SH7757 +#define ECMR_CHG_DM (ECMR_ZPF) #else -#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR ECMR_RXF | ECMR_TXF | ECMR_MCT) +#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT) #endif
/* ECSR */ @@ -355,12 +394,20 @@ enum ECSIPR_STATUS_MASK_BIT {
/* APR */ enum APR_BIT { +#ifdef CONFIG_CPU_SH7757 + APR_AP = 0x00000001, +#else APR_AP = 0x00000004, +#endif };
/* MPR */ enum MPR_BIT { +#ifdef CONFIG_CPU_SH7757 + MPR_MP = 0x00000001, +#else MPR_MP = 0x00000006, +#endif };
/* TRSCER */
participants (1)
-
Yoshihiro Shimoda