diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/sunxi_gmac.c | 34 |
2 files changed, 35 insertions, 0 deletions
diff --git a/drivers/net/Makefile b/drivers/net/Makefile index 7f9ce90a6d..2300c00fc1 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -51,6 +51,7 @@ obj-$(CONFIG_SH_ETHER) += sh_eth.o obj-$(CONFIG_SMC91111) += smc91111.o obj-$(CONFIG_SMC911X) += smc911x.o obj-$(CONFIG_SUNXI_WEMAC) += sunxi_wemac.o +obj-$(CONFIG_SUNXI_GMAC) += sunxi_gmac.o obj-$(CONFIG_DRIVER_TI_EMAC) += davinci_emac.o obj-$(CONFIG_TSEC_ENET) += tsec.o fsl_mdio.o obj-$(CONFIG_DRIVER_TI_CPSW) += cpsw.o diff --git a/drivers/net/sunxi_gmac.c b/drivers/net/sunxi_gmac.c new file mode 100644 index 0000000000..15cd1fba89 --- /dev/null +++ b/drivers/net/sunxi_gmac.c @@ -0,0 +1,34 @@ +#include <common.h> +#include <netdev.h> +#include <miiphy.h> +#include <asm/gpio.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> + +int sunxi_gmac_initialize(bd_t *bis) +{ + int pin; + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* Set up clock gating */ + setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC); + + /* Set MII clock */ + setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII | + CCM_GMAC_CTRL_GPIT_RGMII); + + /* Configure pin mux settings for GMAC */ + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) { + /* skip unused pins in RGMII mode */ + if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14)) + continue; + sunxi_gpio_set_cfgpin(pin, SUN7I_GPA0_GMAC); + sunxi_gpio_set_drv(pin, 3); + } + + designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII); + + return 0; +} |