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net: davinci_emac: convert to using the driver model

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Now that we removed all legacy boards selecting TI_EMAC we can
completely convert the driver code to using the driver model.
This patch also updates all remaining users of davinci_emac.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Tested-by: Adam Ford <aford173@gmail.com> #am3517-evm & da850-evm
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Bartosz Golaszewski
2019-07-24 10:12:07 +02:00
committed by Joe Hershberger
parent 53fd12cfe1
commit e809285d49
15 changed files with 51 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

77
drivers/net/ti/davinci_emac.c
View File

@@ -26,7 +26,6 @@
#include <net.h>
#include <miiphy.h>
#include <malloc.h>
#include <netdev.h>
#include <linux/compiler.h>
#include <asm/arch/emac_defs.h>
#include <asm/io.h>
@@ -107,8 +106,9 @@ static u_int8_t num_phy;
phy_t phy[CONFIG_SYS_DAVINCI_EMAC_PHY_COUNT];
static int davinci_eth_set_mac_addr(struct eth_device *dev)
static int davinci_emac_write_hwaddr(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
unsigned long mac_hi;
unsigned long mac_lo;
@@ -118,12 +118,12 @@ static int davinci_eth_set_mac_addr(struct eth_device *dev)
* Using channel 0 only - other channels are disabled
* */
writel(0, &adap_emac->MACINDEX);
mac_hi = (dev->enetaddr[3] << 24) |
(dev->enetaddr[2] << 16) |
(dev->enetaddr[1] << 8) |
(dev->enetaddr[0]);
mac_lo = (dev->enetaddr[5] << 8) |
(dev->enetaddr[4]);
mac_hi = (pdata->enetaddr[3] << 24) |
(pdata->enetaddr[2] << 16) |
(pdata->enetaddr[1] << 8) |
(pdata->enetaddr[0]);
mac_lo = (pdata->enetaddr[5] << 8) |
(pdata->enetaddr[4]);
writel(mac_hi, &adap_emac->MACADDRHI);
#if defined(DAVINCI_EMAC_VERSION2)
@@ -411,7 +411,7 @@ static void __attribute__((unused)) davinci_eth_gigabit_enable(int phy_addr)
}
/* Eth device open */
static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
static int davinci_emac_start(struct udevice *dev)
{
dv_reg_p addr;
u_int32_t clkdiv, cnt, mac_control;
@@ -447,7 +447,7 @@ static int davinci_eth_open(struct eth_device *dev, bd_t *bis)
writel(1, &adap_emac->TXCONTROL);
writel(1, &adap_emac->RXCONTROL);
davinci_eth_set_mac_addr(dev);
davinci_emac_write_hwaddr(dev);
/* Set DMA 8 TX / 8 RX Head pointers to 0 */
addr = &adap_emac->TX0HDP;
@@ -588,7 +588,7 @@ static void davinci_eth_ch_teardown(int ch)
}
/* Eth device close */
static void davinci_eth_close(struct eth_device *dev)
static void davinci_emac_stop(struct udevice *dev)
{
debug_emac("+ emac_close\n");
@@ -619,8 +619,8 @@ static int tx_send_loop = 0;
* This function sends a single packet on the network and returns
* positive number (number of bytes transmitted) or negative for error
*/
static int davinci_eth_send_packet (struct eth_device *dev,
void *packet, int length)
static int davinci_emac_send(struct udevice *dev,
void *packet, int length)
{
int ret_status = -1;
int index;
@@ -672,7 +672,7 @@ static int davinci_eth_send_packet (struct eth_device *dev,
/*
* This function handles receipt of a packet from the network
*/
static int davinci_eth_rcv_packet (struct eth_device *dev)
static int davinci_emac_recv(struct udevice *dev, int flags, uchar **packetp)
{
volatile emac_desc *rx_curr_desc;
volatile emac_desc *curr_desc;
@@ -682,6 +682,7 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
rx_curr_desc = emac_rx_active_head;
if (!rx_curr_desc)
return 0;
*packetp = rx_curr_desc->buffer;
status = rx_curr_desc->pkt_flag_len;
if ((status & EMAC_CPPI_OWNERSHIP_BIT) == 0) {
if (status & EMAC_CPPI_RX_ERROR_FRAME) {
@@ -693,7 +694,6 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
rx_curr_desc->buff_off_len & 0xffff;
invalidate_dcache_range(tmp, tmp + ALIGN(len, PKTALIGN));
net_process_received_packet(rx_curr_desc->buffer, len);
ret = len;
}
@@ -742,6 +742,7 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
}
return (ret);
}
return (0);
}
@@ -750,30 +751,12 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
* EMAC modules power or pin multiplexors, that is done by board_init()
* much earlier in bootup process. Returns 1 on success, 0 otherwise.
*/
int davinci_emac_initialize(void)
static int davinci_emac_probe(struct udevice *dev)
{
u_int32_t phy_id;
u_int16_t tmp;
int i;
int ret;
struct eth_device *dev;
dev = malloc(sizeof *dev);
if (dev == NULL)
return -1;
memset(dev, 0, sizeof *dev);
strcpy(dev->name, "DaVinci-EMAC");
dev->iobase = 0;
dev->init = davinci_eth_open;
dev->halt = davinci_eth_close;
dev->send = davinci_eth_send_packet;
dev->recv = davinci_eth_rcv_packet;
dev->write_hwaddr = davinci_eth_set_mac_addr;
eth_register(dev);
davinci_eth_mdio_enable();
@@ -854,5 +837,29 @@ int davinci_emac_initialize(void)
phy[i].auto_negotiate(i);
}
#endif
return(1);
return 0;
}
static const struct eth_ops davinci_emac_ops = {
.start = davinci_emac_start,
.send = davinci_emac_send,
.recv = davinci_emac_recv,
.stop = davinci_emac_stop,
.write_hwaddr = davinci_emac_write_hwaddr,
};
static const struct udevice_id davinci_emac_ids[] = {
{ .compatible = "ti,davinci-dm6467-emac" },
{ .compatible = "ti,am3517-emac", },
{ .compatible = "ti,dm816-emac", },
{ }
};
U_BOOT_DRIVER(davinci_emac) = {
.name = "davinci_emac",
.id = UCLASS_ETH,
.of_match = davinci_emac_ids,
.probe = davinci_emac_probe,
.ops = &davinci_emac_ops,
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
};