upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/board/sunxi/gmac.c

86 lines
2.7 KiB

#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 up clock gating */
#ifdef CONFIG_SUNXI_GEN_SUN6I
setbits_le32(&ccm->ahb_reset0_cfg, 0x1 << AHB_RESET_OFFSET_GMAC);
setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_GMAC);
#else
setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
#endif
/* 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
}