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board/sunxi/gmac.c
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#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> |
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void eth_init_board(void) |
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{ int pin; struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; /* Set up clock gating */ |
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#ifdef CONFIG_SUNXI_GEN_SUN6I |
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setbits_le32(&ccm->ahb_reset0_cfg, 0x1 << AHB_RESET_OFFSET_GMAC); setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_GMAC); |
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#else setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC); |
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#endif |
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/* Set MII clock */ |
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#ifdef CONFIG_RGMII |
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setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII | CCM_GMAC_CTRL_GPIT_RGMII); |
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setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_DELAY(CONFIG_GMAC_TX_DELAY)); |
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#else setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_MII | CCM_GMAC_CTRL_GPIT_MII); #endif |
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#ifndef CONFIG_MACH_SUN6I |
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/* Configure pin mux settings for GMAC */ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) { |
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#ifdef CONFIG_RGMII |
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/* skip unused pins in RGMII mode */ if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14)) continue; |
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#endif |
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sunxi_gpio_set_cfgpin(pin, SUN7I_GPA_GMAC); |
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sunxi_gpio_set_drv(pin, 3); } |
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#elif defined CONFIG_RGMII /* Configure sun6i RGMII mode pin mux settings */ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(3); pin++) { |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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sunxi_gpio_set_drv(pin, 3); } for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) { |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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sunxi_gpio_set_drv(pin, 3); } for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(20); pin++) { |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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sunxi_gpio_set_drv(pin, 3); } for (pin = SUNXI_GPA(25); pin <= SUNXI_GPA(27); pin++) { |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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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++) { |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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sunxi_gpio_set_drv(pin, 2); } #else /* Configure sun6i MII mode pin mux settings */ for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(3); pin++) |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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for (pin = SUNXI_GPA(8); pin <= SUNXI_GPA(9); pin++) |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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for (pin = SUNXI_GPA(11); pin <= SUNXI_GPA(14); pin++) |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(24); pin++) |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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for (pin = SUNXI_GPA(26); pin <= SUNXI_GPA(27); pin++) |
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sunxi_gpio_set_cfgpin(pin, SUN6I_GPA_GMAC); |
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#endif |
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} |