[U-Boot] [PATCH v2] net: sh_eth: add support for SH7757's ETHER

Yoshihiro Shimoda
2011-01-18T08:53:45Z

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 */
--
1.7.1