diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/sunxi/gmac.c | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/sunxi/gmac.c')
| -rw-r--r-- | roms/u-boot/board/sunxi/gmac.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/roms/u-boot/board/sunxi/gmac.c b/roms/u-boot/board/sunxi/gmac.c new file mode 100644 index 000000000..d8fdf7728 --- /dev/null +++ b/roms/u-boot/board/sunxi/gmac.c @@ -0,0 +1,78 @@ +#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> + +void eth_init_board(void) +{ + int pin; + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* Set MII clock */ +#ifdef CONFIG_RGMII + setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII | + CCM_GMAC_CTRL_GPIT_RGMII); + setbits_le32(&ccm->gmac_clk_cfg, + CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY)); +#else + setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_MII | + CCM_GMAC_CTRL_GPIT_MII); +#endif + +#ifndef CONFIG_MACH_SUN6I + /* Configure pin mux settings for GMAC */ +#ifdef CONFIG_SUN7I_GMAC_FORCE_TXERR + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(17); pin++) { +#else + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) { +#endif +#ifdef CONFIG_RGMII + /* skip unused pins in RGMII mode */ + if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14)) + continue; +#endif + sunxi_gpio_set_cfgpin(pin, SUN7I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 3); + } +#elif defined CONFIG_RGMII + /* Configure sun6i RGMII mode pin mux settings */ + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(3); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 3); + } + for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 3); + } + for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(20); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 3); + } + for (pin = SUNXI_GPA(25); pin <= SUNXI_GPA(27); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 3); + } +#elif defined CONFIG_GMII + /* Configure sun6i GMII mode pin mux settings */ + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(27); pin++) { + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + sunxi_gpio_set_drv(pin, 2); + } +#else + /* Configure sun6i MII mode pin mux settings */ + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(3); pin++) + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + for (pin = SUNXI_GPA(8); pin <= SUNXI_GPA(9); pin++) + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + for (pin = SUNXI_GPA(11); pin <= SUNXI_GPA(14); pin++) + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(24); pin++) + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); + for (pin = SUNXI_GPA(26); pin <= SUNXI_GPA(27); pin++) + sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); +#endif +} |