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path: root/drivers/net/sh_eth.c
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Diffstat (limited to 'drivers/net/sh_eth.c')
-rw-r--r--drivers/net/sh_eth.c183
1 files changed, 68 insertions, 115 deletions
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index f695a3a41d2..1160c1d6cfa 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -29,45 +29,30 @@
#include "sh_eth.h"
-#ifndef CFG_SH_ETHER_USE_PORT
-# error "Please define CFG_SH_ETHER_USE_PORT"
-#endif
-#ifndef CFG_SH_ETHER_PHY_ADDR
-# error "Please define CFG_SH_ETHER_PHY_ADDR"
-#endif
+static void flush_cache_wback(void *addr, unsigned long len)
+{
+ flush_dcache_range((unsigned long)addr,
+ (unsigned long)(addr + ALIGN(len, SH_ETHER_ALIGN_SIZE)));
+}
-#if defined(CFG_SH_ETHER_CACHE_WRITEBACK) && \
- !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
-#define flush_cache_wback(addr, len) \
- flush_dcache_range((unsigned long)addr, \
- (unsigned long)(addr + ALIGN(len, CFG_SH_ETHER_ALIGNE_SIZE)))
-#else
-#define flush_cache_wback(...)
-#endif
+static void invalidate_cache(void *addr, unsigned long len)
+{
+ unsigned long line_size = SH_ETHER_ALIGN_SIZE;
+ unsigned long start, end;
-#if defined(CFG_SH_ETHER_CACHE_INVALIDATE) && defined(CONFIG_ARM)
-#define invalidate_cache(addr, len) \
- { \
- unsigned long line_size = CFG_SH_ETHER_ALIGNE_SIZE; \
- unsigned long start, end; \
- \
- start = (unsigned long)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
+ start = (unsigned long)addr;
+ end = start + len;
+ start &= ~(line_size - 1);
+ end = (end + line_size - 1) & ~(line_size - 1);
+
+ invalidate_dcache_range(start, end);
+}
#define TIMEOUT_CNT 1000
-static int sh_eth_send_common(struct sh_eth_dev *eth, void *packet, int len)
+static int sh_eth_send_common(struct sh_eth_info *port_info, void *packet, int len)
{
int ret = 0, timeout;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
if (!packet || len > 0xffff) {
printf(SHETHER_NAME ": %s: Invalid argument\n", __func__);
@@ -121,10 +106,8 @@ err:
return ret;
}
-static int sh_eth_recv_start(struct sh_eth_dev *eth)
+static int sh_eth_recv_start(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
/* 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)
@@ -137,11 +120,9 @@ static int sh_eth_recv_start(struct sh_eth_dev *eth)
return port_info->rx_desc_cur->rd1 & 0xffff;
}
-static void sh_eth_recv_finish(struct sh_eth_dev *eth)
+static void sh_eth_recv_finish(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
- invalidate_cache(ADDR_TO_P2(port_info->rx_desc_cur->rd2), MAX_BUF_SIZE);
+ invalidate_cache((void *)ADDR_TO_P2((uintptr_t)port_info->rx_desc_cur->rd2), MAX_BUF_SIZE);
/* Make current descriptor available again */
if (port_info->rx_desc_cur->rd0 & RD_RDLE)
@@ -159,9 +140,8 @@ static void sh_eth_recv_finish(struct sh_eth_dev *eth)
port_info->rx_desc_cur = port_info->rx_desc_base;
}
-static int sh_eth_reset(struct sh_eth_dev *eth)
+static int sh_eth_reset(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
#if defined(SH_ETH_TYPE_GETHER) || defined(SH_ETH_TYPE_RZ)
int ret = 0, i;
@@ -192,12 +172,11 @@ static int sh_eth_reset(struct sh_eth_dev *eth)
#endif
}
-static int sh_eth_tx_desc_init(struct sh_eth_dev *eth)
+static int sh_eth_tx_desc_init(struct sh_eth_info *port_info)
{
- int i, ret = 0;
u32 alloc_desc_size = NUM_TX_DESC * sizeof(struct tx_desc_s);
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
struct tx_desc_s *cur_tx_desc;
+ int i, ret = 0;
/*
* Allocate rx descriptors. They must be aligned to size of struct
@@ -244,11 +223,10 @@ err:
return ret;
}
-static int sh_eth_rx_desc_init(struct sh_eth_dev *eth)
+static int sh_eth_rx_desc_init(struct sh_eth_info *port_info)
{
int i, ret = 0;
u32 alloc_desc_size = NUM_RX_DESC * sizeof(struct rx_desc_s);
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
struct rx_desc_s *cur_rx_desc;
u8 *rx_buf;
@@ -318,20 +296,16 @@ err:
return ret;
}
-static void sh_eth_tx_desc_free(struct sh_eth_dev *eth)
+static void sh_eth_tx_desc_free(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
if (port_info->tx_desc_alloc) {
free(port_info->tx_desc_alloc);
port_info->tx_desc_alloc = NULL;
}
}
-static void sh_eth_rx_desc_free(struct sh_eth_dev *eth)
+static void sh_eth_rx_desc_free(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
if (port_info->rx_desc_alloc) {
free(port_info->rx_desc_alloc);
port_info->rx_desc_alloc = NULL;
@@ -343,21 +317,21 @@ static void sh_eth_rx_desc_free(struct sh_eth_dev *eth)
}
}
-static int sh_eth_desc_init(struct sh_eth_dev *eth)
+static int sh_eth_desc_init(struct sh_eth_info *port_info)
{
int ret = 0;
- ret = sh_eth_tx_desc_init(eth);
+ ret = sh_eth_tx_desc_init(port_info);
if (ret)
goto err_tx_init;
- ret = sh_eth_rx_desc_init(eth);
+ ret = sh_eth_rx_desc_init(port_info);
if (ret)
goto err_rx_init;
return ret;
err_rx_init:
- sh_eth_tx_desc_free(eth);
+ sh_eth_tx_desc_free(port_info);
err_tx_init:
return ret;
@@ -375,9 +349,8 @@ static void sh_eth_write_hwaddr(struct sh_eth_info *port_info,
sh_eth_write(port_info, val, MALR);
}
-static void sh_eth_mac_regs_config(struct sh_eth_dev *eth, unsigned char *mac)
+static void sh_eth_mac_regs_config(struct sh_eth_info *port_info, unsigned char *mac)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
unsigned long edmr;
/* Configure e-dmac registers */
@@ -422,9 +395,8 @@ static void sh_eth_mac_regs_config(struct sh_eth_dev *eth, unsigned char *mac)
#endif
}
-static int sh_eth_phy_regs_config(struct sh_eth_dev *eth)
+static int sh_eth_phy_regs_config(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
struct phy_device *phy = port_info->phydev;
int ret = 0;
u32 val = 0;
@@ -470,10 +442,8 @@ static int sh_eth_phy_regs_config(struct sh_eth_dev *eth)
return ret;
}
-static void sh_eth_start(struct sh_eth_dev *eth)
+static void sh_eth_start(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
/*
* Enable the e-dmac receiver only. The transmitter will be enabled when
* we have something to transmit
@@ -481,33 +451,30 @@ static void sh_eth_start(struct sh_eth_dev *eth)
sh_eth_write(port_info, EDRRR_R, EDRRR);
}
-static void sh_eth_stop(struct sh_eth_dev *eth)
+static void sh_eth_stop(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
-
sh_eth_write(port_info, ~EDRRR_R, EDRRR);
}
-static int sh_eth_init_common(struct sh_eth_dev *eth, unsigned char *mac)
+static int sh_eth_init_common(struct sh_eth_info *port_info, unsigned char *mac)
{
int ret = 0;
- ret = sh_eth_reset(eth);
+ ret = sh_eth_reset(port_info);
if (ret)
return ret;
- ret = sh_eth_desc_init(eth);
+ ret = sh_eth_desc_init(port_info);
if (ret)
return ret;
- sh_eth_mac_regs_config(eth, mac);
+ sh_eth_mac_regs_config(port_info, mac);
return 0;
}
-static int sh_eth_start_common(struct sh_eth_dev *eth)
+static int sh_eth_start_common(struct sh_eth_info *port_info)
{
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
int ret;
ret = phy_startup(port_info->phydev);
@@ -516,17 +483,17 @@ static int sh_eth_start_common(struct sh_eth_dev *eth)
return ret;
}
- ret = sh_eth_phy_regs_config(eth);
+ ret = sh_eth_phy_regs_config(port_info);
if (ret)
return ret;
- sh_eth_start(eth);
+ sh_eth_start(port_info);
return 0;
}
struct sh_ether_priv {
- struct sh_eth_dev shdev;
+ struct sh_eth_info port_info;
struct mii_dev *bus;
phys_addr_t iobase;
@@ -536,20 +503,19 @@ struct sh_ether_priv {
static int sh_ether_send(struct udevice *dev, void *packet, int len)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
- struct sh_eth_dev *eth = &priv->shdev;
+ struct sh_eth_info *port_info = &priv->port_info;
- return sh_eth_send_common(eth, packet, len);
+ return sh_eth_send_common(port_info, packet, len);
}
static int sh_ether_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
- struct sh_eth_dev *eth = &priv->shdev;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
uchar *packet = (uchar *)ADDR_TO_P2((uintptr_t)port_info->rx_desc_cur->rd2);
int len;
- len = sh_eth_recv_start(eth);
+ len = sh_eth_recv_start(port_info);
if (len > 0) {
invalidate_cache(packet, len);
*packetp = packet;
@@ -567,10 +533,9 @@ static int sh_ether_recv(struct udevice *dev, int flags, uchar **packetp)
static int sh_ether_free_pkt(struct udevice *dev, uchar *packet, int length)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
- struct sh_eth_dev *eth = &priv->shdev;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
- sh_eth_recv_finish(eth);
+ sh_eth_recv_finish(port_info);
/* Restart the receiver if disabled */
if (!(sh_eth_read(port_info, EDRRR) & EDRRR_R))
@@ -582,8 +547,7 @@ static int sh_ether_free_pkt(struct udevice *dev, uchar *packet, int length)
static int sh_ether_write_hwaddr(struct udevice *dev)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
- struct sh_eth_dev *eth = &priv->shdev;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
struct eth_pdata *pdata = dev_get_plat(dev);
sh_eth_write_hwaddr(port_info, pdata->enetaddr);
@@ -595,10 +559,9 @@ static int sh_eth_phy_config(struct udevice *dev)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_plat(dev);
- struct sh_eth_dev *eth = &priv->shdev;
- int ret = 0;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
struct phy_device *phydev;
+ int ret = 0;
phydev = phy_connect(priv->bus, -1, dev, pdata->phy_interface);
if (!phydev)
@@ -614,40 +577,38 @@ static int sh_ether_start(struct udevice *dev)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
struct eth_pdata *pdata = dev_get_plat(dev);
- struct sh_eth_dev *eth = &priv->shdev;
+ struct sh_eth_info *port_info = &priv->port_info;
int ret;
- ret = sh_eth_init_common(eth, pdata->enetaddr);
+ ret = sh_eth_init_common(port_info, pdata->enetaddr);
if (ret)
return ret;
- ret = sh_eth_start_common(eth);
+ ret = sh_eth_start_common(port_info);
if (ret)
goto err_start;
return 0;
err_start:
- sh_eth_tx_desc_free(eth);
- sh_eth_rx_desc_free(eth);
+ sh_eth_tx_desc_free(port_info);
+ sh_eth_rx_desc_free(port_info);
return ret;
}
static void sh_ether_stop(struct udevice *dev)
{
struct sh_ether_priv *priv = dev_get_priv(dev);
- struct sh_eth_dev *eth = &priv->shdev;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
phy_shutdown(port_info->phydev);
- sh_eth_stop(&priv->shdev);
+ sh_eth_stop(port_info);
}
/******* for bb_miiphy *******/
static int sh_eth_bb_mdio_active(struct mii_dev *miidev)
{
- struct sh_eth_dev *eth = miidev->priv;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = miidev->priv;
sh_eth_write(port_info, sh_eth_read(port_info, PIR) | PIR_MMD, PIR);
@@ -656,8 +617,7 @@ static int sh_eth_bb_mdio_active(struct mii_dev *miidev)
static int sh_eth_bb_mdio_tristate(struct mii_dev *miidev)
{
- struct sh_eth_dev *eth = miidev->priv;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = miidev->priv;
sh_eth_write(port_info, sh_eth_read(port_info, PIR) & ~PIR_MMD, PIR);
@@ -666,8 +626,7 @@ static int sh_eth_bb_mdio_tristate(struct mii_dev *miidev)
static int sh_eth_bb_set_mdio(struct mii_dev *miidev, int v)
{
- struct sh_eth_dev *eth = miidev->priv;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = miidev->priv;
if (v)
sh_eth_write(port_info,
@@ -681,8 +640,7 @@ static int sh_eth_bb_set_mdio(struct mii_dev *miidev, int v)
static int sh_eth_bb_get_mdio(struct mii_dev *miidev, int *v)
{
- struct sh_eth_dev *eth = miidev->priv;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = miidev->priv;
*v = (sh_eth_read(port_info, PIR) & PIR_MDI) >> 3;
@@ -691,8 +649,7 @@ static int sh_eth_bb_get_mdio(struct mii_dev *miidev, int *v)
static int sh_eth_bb_set_mdc(struct mii_dev *miidev, int v)
{
- struct sh_eth_dev *eth = miidev->priv;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = miidev->priv;
if (v)
sh_eth_write(port_info,
@@ -738,7 +695,7 @@ static int sh_ether_probe(struct udevice *udev)
{
struct eth_pdata *pdata = dev_get_plat(udev);
struct sh_ether_priv *priv = dev_get_priv(udev);
- struct sh_eth_dev *eth = &priv->shdev;
+ struct sh_eth_info *port_info = &priv->port_info;
struct mii_dev *mdiodev;
int ret;
@@ -757,7 +714,7 @@ static int sh_ether_probe(struct udevice *udev)
mdiodev->read = sh_eth_bb_miiphy_read;
mdiodev->write = sh_eth_bb_miiphy_write;
- mdiodev->priv = eth;
+ mdiodev->priv = port_info;
snprintf(mdiodev->name, sizeof(mdiodev->name), udev->name);
ret = mdio_register(mdiodev);
@@ -766,10 +723,7 @@ static int sh_ether_probe(struct udevice *udev)
priv->bus = mdiodev;
- eth->port = CFG_SH_ETHER_USE_PORT;
- eth->port_info[eth->port].phy_addr = CFG_SH_ETHER_PHY_ADDR;
- eth->port_info[eth->port].iobase =
- (void __iomem *)(uintptr_t)(BASE_IO_ADDR + 0x800 * eth->port);
+ port_info->iobase = (void __iomem *)(uintptr_t)BASE_IO_ADDR;
#if CONFIG_IS_ENABLED(CLK)
ret = clk_enable(&priv->clk);
@@ -777,7 +731,7 @@ static int sh_ether_probe(struct udevice *udev)
goto err_mdio_register;
#endif
- ret = sh_eth_init_common(eth, pdata->enetaddr);
+ ret = sh_eth_init_common(port_info, pdata->enetaddr);
if (ret)
goto err_phy_config;
@@ -801,8 +755,7 @@ err_mdio_register:
static int sh_ether_remove(struct udevice *udev)
{
struct sh_ether_priv *priv = dev_get_priv(udev);
- struct sh_eth_dev *eth = &priv->shdev;
- struct sh_eth_info *port_info = &eth->port_info[eth->port];
+ struct sh_eth_info *port_info = &priv->port_info;
#if CONFIG_IS_ENABLED(CLK)
clk_disable(&priv->clk);
generated by cgit v1.2.3 (git 2.0.4) at 2025-07-13 00:41:23 +0000