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sun6i: Add gmac support for sun6i boards

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Hookup the gmac found on the sun6i / A31 SoCs.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede 2014-11-21 17:19:45 +01:00
parent b871f636c7
commit eafec32000
5 changed files with 59 additions and 1 deletions
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8
arch/arm/include/asm/arch-sunxi/clock_sun6i.h
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@ -204,6 +204,7 @@ struct sunxi_ccm_reg {
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_GMAC 17
#define AHB_GATE_OFFSET_MMC3 11
#define AHB_GATE_OFFSET_MMC2 10
#define AHB_GATE_OFFSET_MMC1 9
@ -229,6 +230,12 @@ struct sunxi_ccm_reg {
#define CCM_USB_CTRL_PHY1_CLK (0x1 << 9)
#define CCM_USB_CTRL_PHY2_CLK (0x1 << 10)
#define CCM_GMAC_CTRL_TX_CLK_SRC_MII 0x0
#define CCM_GMAC_CTRL_TX_CLK_SRC_EXT_RGMII 0x1
#define CCM_GMAC_CTRL_TX_CLK_SRC_INT_RGMII 0x2
#define CCM_GMAC_CTRL_GPIT_MII (0x0 << 2)
#define CCM_GMAC_CTRL_GPIT_RGMII (0x1 << 2)
#define MDFS_CLK_DEFAULT 0x81000002 /* PLL6 / 3 */
#define CCM_DRAMCLK_CFG_DIV0(x) ((x - 1) << 8)
@ -264,6 +271,7 @@ struct sunxi_ccm_reg {
#define MBUS_CLK_DEFAULT 0x81000001 /* PLL6 / 2 */
/* ahb_reset0 offsets */
#define AHB_RESET_OFFSET_GMAC 17
#define AHB_RESET_OFFSET_MCTL 14
#define AHB_RESET_OFFSET_MMC3 11
#define AHB_RESET_OFFSET_MMC2 10

4
arch/arm/include/asm/arch-sunxi/cpu.h
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@ -99,9 +99,13 @@
#define SUNXI_SCR_BASE 0x01c2c400
#ifndef CONFIG_MACH_SUN6I
#define SUNXI_GPS_BASE 0x01c30000
#define SUNXI_MALI400_BASE 0x01c40000
#define SUNXI_GMAC_BASE 0x01c50000
#else
#define SUNXI_GMAC_BASE 0x01c30000
#endif
#define SUNXI_DRAM_COM_BASE 0x01c62000
#define SUNXI_DRAM_CTL0_BASE 0x01c63000

1
arch/arm/include/asm/arch-sunxi/gpio.h
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@ -134,6 +134,7 @@ enum sunxi_gpio_number {
#define SUNXI_GPIO_OUTPUT 1
#define SUNXI_GPA0_EMAC 2
#define SUN6I_GPA0_GMAC 2
#define SUN7I_GPA0_GMAC 5
#define SUNXI_GPB0_TWI0 2

45
board/sunxi/gmac.c
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@ -13,7 +13,12 @@ int sunxi_gmac_initialize(bd_t *bis)
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
/* Set up clock gating */
#ifndef CONFIG_MACH_SUN6I
setbits_le32(&ccm->ahb_gate1, 0x1 << AHB_GATE_OFFSET_GMAC);
#else
setbits_le32(&ccm->ahb_reset0_cfg, 0x1 << AHB_RESET_OFFSET_GMAC);
setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_GMAC);
#endif
/* Set MII clock */
#ifdef CONFIG_RGMII
@ -33,6 +38,7 @@ int sunxi_gmac_initialize(bd_t *bis)
setbits_le32(&ccm->gmac_clk_cfg, 0x3 << 10);
#endif
#ifndef CONFIG_MACH_SUN6I
/* Configure pin mux settings for GMAC */
for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(16); pin++) {
#ifdef CONFIG_RGMII
@ -43,9 +49,48 @@ int sunxi_gmac_initialize(bd_t *bis)
sunxi_gpio_set_cfgpin(pin, SUN7I_GPA0_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_GPA0_GMAC);
sunxi_gpio_set_drv(pin, 3);
}
for (pin = SUNXI_GPA(9); pin <= SUNXI_GPA(14); pin++) {
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
sunxi_gpio_set_drv(pin, 3);
}
for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(20); pin++) {
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
sunxi_gpio_set_drv(pin, 3);
}
for (pin = SUNXI_GPA(25); pin <= SUNXI_GPA(27); pin++) {
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_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_GPA0_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_GPA0_GMAC);
for (pin = SUNXI_GPA(8); pin <= SUNXI_GPA(9); pin++)
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
for (pin = SUNXI_GPA(11); pin <= SUNXI_GPA(14); pin++)
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
for (pin = SUNXI_GPA(19); pin <= SUNXI_GPA(24); pin++)
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
for (pin = SUNXI_GPA(26); pin <= SUNXI_GPA(27); pin++)
sunxi_gpio_set_cfgpin(pin, SUN6I_GPA0_GMAC);
#endif
#ifdef CONFIG_RGMII
return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_RGMII);
#elif defined CONFIG_GMII
return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_GMII);
#else
return designware_initialize(SUNXI_GMAC_BASE, PHY_INTERFACE_MODE_MII);
#endif

2
configs/Mele_M9_defconfig
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@ -1,5 +1,5 @@
CONFIG_SPL=y
CONFIG_SYS_EXTRA_OPTIONS="USB_EHCI"
CONFIG_SYS_EXTRA_OPTIONS="USB_EHCI,SUNXI_GMAC"
CONFIG_FDTFILE="sun6i-a31-m9.dtb"
+S:CONFIG_ARM=y
+S:CONFIG_ARCH_SUNXI=y