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net: macb: add support for sama7g5 gmac

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Add support for SAMA7G5 GMAC.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
This commit is contained in:
Claudiu Beznea 2021-01-19 13:26:46 +02:00 committed by Eugen Hristev
parent 96449581b3
commit 8c0483ecbf
1 changed files with 33 additions and 0 deletions
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33
drivers/net/macb.c
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@ -595,6 +595,23 @@ static int macb_sifive_clk_init(struct udevice *dev, ulong rate)
return 0; return 0;
} }
static int macb_sama7g5_clk_init(struct udevice *dev, ulong rate)
{
struct clk clk;
int ret;
ret = clk_get_by_name(dev, "tx_clk", &clk);
if (ret)
return ret;
/*
* This is for using GCK. Clock rate is addressed via assigned-clock
* property, so only clock enable is needed here. The switching to
* proper clock rate depending on link speed is managed by IP logic.
*/
return clk_enable(&clk);
}
int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed) int __weak macb_linkspd_cb(struct udevice *dev, unsigned int speed)
{ {
#ifdef CONFIG_CLK #ifdef CONFIG_CLK
@ -1430,6 +1447,13 @@ static int macb_eth_of_to_plat(struct udevice *dev)
return macb_late_eth_of_to_plat(dev); return macb_late_eth_of_to_plat(dev);
} }
static const struct macb_usrio_cfg sama7g5_usrio = {
.mii = 0,
.rmii = 1,
.rgmii = 2,
.clken = BIT(2),
};
static const struct macb_config microchip_config = { static const struct macb_config microchip_config = {
.dma_burst_length = 16, .dma_burst_length = 16,
.hw_dma_cap = HW_DMA_CAP_64B, .hw_dma_cap = HW_DMA_CAP_64B,
@ -1451,10 +1475,19 @@ static const struct macb_config sifive_config = {
.usrio = &macb_default_usrio, .usrio = &macb_default_usrio,
}; };
static const struct macb_config sama7g5_gmac_config = {
.dma_burst_length = 16,
.hw_dma_cap = HW_DMA_CAP_32B,
.clk_init = macb_sama7g5_clk_init,
.usrio = &sama7g5_usrio,
};
static const struct udevice_id macb_eth_ids[] = { static const struct udevice_id macb_eth_ids[] = {
{ .compatible = "cdns,macb" }, { .compatible = "cdns,macb" },
{ .compatible = "cdns,at91sam9260-macb" }, { .compatible = "cdns,at91sam9260-macb" },
{ .compatible = "cdns,sam9x60-macb" }, { .compatible = "cdns,sam9x60-macb" },
{ .compatible = "cdns,sama7g5-gem",
.data = (ulong)&sama7g5_gmac_config },
{ .compatible = "atmel,sama5d2-gem" }, { .compatible = "atmel,sama5d2-gem" },
{ .compatible = "atmel,sama5d3-gem" }, { .compatible = "atmel,sama5d3-gem" },
{ .compatible = "atmel,sama5d4-gem", .data = (ulong)&sama5d4_config }, { .compatible = "atmel,sama5d4-gem", .data = (ulong)&sama5d4_config },