diff options
| author | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2020-09-13 01:54:06 +0000 |
|---|---|---|
| committer | Jonathan Matthew <jmatthew@cvs.openbsd.org> | 2020-09-13 01:54:06 +0000 |
| commit | 8b9e77ff3022195be642f703dc747a407fce2b4d (patch) | |
| tree | 5d04af849c3f34477deadf6002bc3e89a53c1640 /sys/dev | |
| parent | 6ad87a10d02bcad9aeb70e431d780e997dff05dc (diff) | |
Add support for the RK3308 MAC.
ok kettenis@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/fdt/if_dwge.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/sys/dev/fdt/if_dwge.c b/sys/dev/fdt/if_dwge.c index 5df76d110ed..bbdd481058e 100644 --- a/sys/dev/fdt/if_dwge.c +++ b/sys/dev/fdt/if_dwge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_dwge.c,v 1.5 2020/09/13 01:52:27 jmatthew Exp $ */ +/* $OpenBSD: if_dwge.c,v 1.6 2020/09/13 01:54:05 jmatthew Exp $ */ /* * Copyright (c) 2008, 2019 Mark Kettenis <kettenis@openbsd.org> * Copyright (c) 2017 Patrick Wildt <patrick@blueri.se> @@ -316,6 +316,7 @@ dwge_match(struct device *parent, void *cfdata, void *aux) return (OF_is_compatible(faa->fa_node, "allwinner,sun7i-a20-gmac") || OF_is_compatible(faa->fa_node, "amlogic,meson-axg-dwmac") || OF_is_compatible(faa->fa_node, "rockchip,rk3288-gmac") || + OF_is_compatible(faa->fa_node, "rockchip,rk3308-mac") || OF_is_compatible(faa->fa_node, "rockchip,rk3328-gmac") || OF_is_compatible(faa->fa_node, "rockchip,rk3399-gmac")); } @@ -409,6 +410,8 @@ dwge_attach(struct device *parent, struct device *self, void *aux) dwge_setup_allwinner(sc); else if (OF_is_compatible(faa->fa_node, "rockchip,rk3288-gmac")) dwge_setup_rockchip(sc); + else if (OF_is_compatible(faa->fa_node, "rockchip,rk3308-mac")) + dwge_setup_rockchip(sc); else if (OF_is_compatible(faa->fa_node, "rockchip,rk3328-gmac")) dwge_setup_rockchip(sc); else if (OF_is_compatible(faa->fa_node, "rockchip,rk3399-gmac")) @@ -1351,6 +1354,12 @@ dwge_setup_allwinner(struct dwge_softc *sc) * Rockchip RK3288/RK3399. */ +/* RK3308 registers */ +#define RK3308_GRF_MAC_CON0 0x04a0 +#define RK3308_MAC_SPEED_100M ((0x1 << 0) << 16 | (0x1 << 0)) +#define RK3308_MAC_SPEED_10M ((0x1 << 0) << 16 | (0x0 << 0)) +#define RK3308_INTF_SEL_RMII ((0x1 << 4) << 16 | (0x1 << 4)) + /* RK3288 registers */ #define RK3288_GRF_SOC_CON1 0x0248 #define RK3288_GMAC_PHY_INTF_SEL_RGMII ((0x7 << 6) << 16 | (0x1 << 6)) @@ -1406,6 +1415,7 @@ dwge_setup_rockchip(struct dwge_softc *sc) struct regmap *rm; uint32_t grf; int tx_delay, rx_delay; + char clock_mode[8]; grf = OF_getpropint(sc->sc_node, "rockchip,grf", 0); rm = regmap_byphandle(grf); @@ -1437,6 +1447,24 @@ dwge_setup_rockchip(struct dwge_softc *sc) sc->sc_clk_sel_2_5 = RK3288_GMAC_CLK_SEL_2_5; sc->sc_clk_sel_25 = RK3288_GMAC_CLK_SEL_25; sc->sc_clk_sel_125 = RK3288_GMAC_CLK_SEL_125; + } else if (OF_is_compatible(sc->sc_node, "rockchip,rk3308-mac")) { + /* Use RMII interface. */ + regmap_write_4(rm, RK3308_GRF_MAC_CON0, + RK3308_INTF_SEL_RMII | RK3308_MAC_SPEED_100M); + + /* Adjust MAC clock if necessary. */ + OF_getprop(sc->sc_node, "clock_in_out", clock_mode, + sizeof(clock_mode)); + if (strcmp(clock_mode, "output") == 0) { + clock_set_frequency(sc->sc_node, "stmmaceth", + 50000000); + sc->sc_clk = GMAC_GMII_ADDR_CR_DIV_26; + } + + /* Clock speed bits. */ + sc->sc_clk_sel = RK3308_GRF_MAC_CON0; + sc->sc_clk_sel_2_5 = RK3308_MAC_SPEED_10M; + sc->sc_clk_sel_25 = RK3308_MAC_SPEED_100M; } else if (OF_is_compatible(sc->sc_node, "rockchip,rk3328-gmac")) { /* Use RGMII interface. */ regmap_write_4(rm, RK3328_GRF_MAC_CON1, |