Merge branch 'master' of git://git.denx.de/u-boot-arm
[platform/kernel/u-boot.git] / board / sunxi / gmac.c
1 #include <common.h>
2 #include <netdev.h>
3 #include <miiphy.h>
4 #include <asm/gpio.h>
5 #include <asm/io.h>
6 #include <asm/arch/clock.h>
7 #include <asm/arch/gpio.h>
8
9 int sunxi_gmac_initialize(bd_t *bis)
10 {
11         int pin;
12         struct sunxi_ccm_reg *const ccm =
13                 (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
14
15         /* Set up clock gating */
16         setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
17
18         /* Set MII clock */
19         setbits_le32(&ccm->gmac_clk_cfg, CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII |
20                 CCM_GMAC_CTRL_GPIT_RGMII);
21
22         /* Configure pin mux settings for GMAC */
23         for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
24                 /* skip unused pins in RGMII mode */
25                 if (pin == SUNXI_GPA(9) || pin == SUNXI_GPA(14))
26                         continue;
27                 sunxi_gpio_set_cfgpin(pin, SUN7I_GPA0_GMAC);
28                 sunxi_gpio_set_drv(pin, 3);
29         }
30
31         return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII);
32 }