Add initialization code for the Ethernet adapter on ODROID-C2 and
enable the driver.
Signed-off-by: Beniamino Galvani <b.galv...@gmail.com>
---
arch/arm/include/asm/arch-meson/gxbb.h | 54 ++++++++++++++++++++++++++++++++++
board/hardkernel/odroid-c2/odroid-c2.c | 25 ++++++++++++++++
configs/odroid-c2_defconfig | 3 ++
include/configs/odroid-c2.h | 1 +
4 files changed, 83 insertions(+)
diff --git a/arch/arm/include/asm/arch-meson/gxbb.h
b/arch/arm/include/asm/arch-meson/gxbb.h
index 0eec270..59fae9f 100644
--- a/arch/arm/include/asm/arch-meson/gxbb.h
+++ b/arch/arm/include/asm/arch-meson/gxbb.h
@@ -7,4 +7,58 @@
#ifndef __GXBB_H__
#define __GXBB_H__
+#define GXBB_PERIPHS_BASE 0xc8834400
+#define GXBB_PERIPHS_ADDR(off) (GXBB_PERIPHS_BASE + ((off) << 2))
+
+#define GXBB_GPIO_0_EN GXBB_PERIPHS_ADDR(0x0c)
+#define GXBB_GPIO_0_OUT GXBB_PERIPHS_ADDR(0x0d)
+#define GXBB_GPIO_0_IN GXBB_PERIPHS_ADDR(0x0e)
+#define GXBB_GPIO_1_EN GXBB_PERIPHS_ADDR(0x0f)
+#define GXBB_GPIO_1_OUT GXBB_PERIPHS_ADDR(0x10)
+#define GXBB_GPIO_1_IN GXBB_PERIPHS_ADDR(0x11)
+#define GXBB_GPIO_2_EN GXBB_PERIPHS_ADDR(0x12)
+#define GXBB_GPIO_2_OUT GXBB_PERIPHS_ADDR(0x13)
+#define GXBB_GPIO_2_IN GXBB_PERIPHS_ADDR(0x14)
+#define GXBB_GPIO_3_EN GXBB_PERIPHS_ADDR(0x15)
+#define GXBB_GPIO_3_OUT GXBB_PERIPHS_ADDR(0x16)
+#define GXBB_GPIO_3_IN GXBB_PERIPHS_ADDR(0x17)
+#define GXBB_GPIO_4_EN GXBB_PERIPHS_ADDR(0x18)
+#define GXBB_GPIO_4_OUT GXBB_PERIPHS_ADDR(0x19)
+#define GXBB_GPIO_4_IN GXBB_PERIPHS_ADDR(0x1a)
+#define GXBB_GPIO_5_EN GXBB_PERIPHS_ADDR(0x1b)
+#define GXBB_GPIO_5_OUT GXBB_PERIPHS_ADDR(0x1c)
+#define GXBB_GPIO_5_IN GXBB_PERIPHS_ADDR(0x1d)
+#define GXBB_GPIO_6_EN GXBB_PERIPHS_ADDR(0x08)
+#define GXBB_GPIO_6_OUT GXBB_PERIPHS_ADDR(0x09)
+#define GXBB_GPIO_6_IN GXBB_PERIPHS_ADDR(0x0a)
+
+#define GXBB_PINMUX_0 GXBB_PERIPHS_ADDR(0x2c)
+#define GXBB_PINMUX_1 GXBB_PERIPHS_ADDR(0x2d)
+#define GXBB_PINMUX_2 GXBB_PERIPHS_ADDR(0x2e)
+#define GXBB_PINMUX_3 GXBB_PERIPHS_ADDR(0x2f)
+#define GXBB_PINMUX_4 GXBB_PERIPHS_ADDR(0x30)
+#define GXBB_PINMUX_5 GXBB_PERIPHS_ADDR(0x31)
+#define GXBB_PINMUX_6 GXBB_PERIPHS_ADDR(0x32)
+#define GXBB_PINMUX_7 GXBB_PERIPHS_ADDR(0x33)
+#define GXBB_PINMUX_8 GXBB_PERIPHS_ADDR(0x34)
+#define GXBB_PINMUX_9 GXBB_PERIPHS_ADDR(0x35)
+#define GXBB_PINMUX_10 GXBB_PERIPHS_ADDR(0x36)
+#define GXBB_PINMUX_11 GXBB_PERIPHS_ADDR(0x37)
+#define GXBB_PINMUX_12 GXBB_PERIPHS_ADDR(0x38)
+
+#define GXBB_ETH_REG_0 GXBB_PERIPHS_ADDR(0x50)
+#define GXBB_ETH_REG_1 GXBB_PERIPHS_ADDR(0x51)
+
+#define GXBB_HIU_BASE 0xc883c000
+#define GXBB_HIU_ADDR(off) (GXBB_HIU_BASE + ((off) << 2))
+
+#define GXBB_MEM_PD_REG_0 GXBB_HIU_ADDR(0x40)
+
+/* Clock gates */
+#define GXBB_GCLK_MPEG_0 GXBB_HIU_ADDR(0x50)
+#define GXBB_GCLK_MPEG_1 GXBB_HIU_ADDR(0x51)
+#define GXBB_GCLK_MPEG_2 GXBB_HIU_ADDR(0x52)
+#define GXBB_GCLK_MPEG_OTHER GXBB_HIU_ADDR(0x53)
+#define GXBB_GCLK_MPEG_AO GXBB_HIU_ADDR(0x54)
+
#endif /* __GXBB_H__ */
diff --git a/board/hardkernel/odroid-c2/odroid-c2.c
b/board/hardkernel/odroid-c2/odroid-c2.c
index 6a1485f..2d82d11 100644
--- a/board/hardkernel/odroid-c2/odroid-c2.c
+++ b/board/hardkernel/odroid-c2/odroid-c2.c
@@ -5,3 +5,28 @@
*/
#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/gxbb.h>
+
+#ifdef CONFIG_MISC_INIT_R
+int misc_init_r(void)
+{
+ /* Select Ethernet function */
+ setbits_le32(GXBB_PINMUX_6, 0x3fff);
+
+ /* Set RGMII mode */
+ setbits_le32(GXBB_ETH_REG_0, 0x1621);
+
+ /* Enable clocks */
+ setbits_le32(GXBB_GCLK_MPEG_1, 1 << 3);
+ clrbits_le32(GXBB_MEM_PD_REG_0, (1 << 3) | (1 << 2));
+
+ /* Reset PHY on GPIOZ_14 */
+ clrbits_le32(GXBB_GPIO_3_EN, 1 << 14);
+ clrbits_le32(GXBB_GPIO_3_OUT, 1 << 14);
+ udelay(100000);
+ setbits_le32(GXBB_GPIO_3_OUT, 1 << 14);
+
+ return 0;
+}
+#endif /* CONFIG_MISC_INIT_R */
diff --git a/configs/odroid-c2_defconfig b/configs/odroid-c2_defconfig
index 069f02d..a771b20 100644
--- a/configs/odroid-c2_defconfig
+++ b/configs/odroid-c2_defconfig
@@ -11,6 +11,9 @@ CONFIG_DEFAULT_DEVICE_TREE="meson-gxbb-odroidc2"
# CONFIG_CMD_SOURCE is not set
# CONFIG_CMD_SETEXPR is not set
CONFIG_OF_CONTROL=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
CONFIG_DEBUG_UART=y
CONFIG_DEBUG_UART_MESON=y
CONFIG_DEBUG_UART_BASE=0xc81004c0
diff --git a/include/configs/odroid-c2.h b/include/configs/odroid-c2.h
index 0e9ad1c..12bc086 100644
--- a/include/configs/odroid-c2.h
+++ b/include/configs/odroid-c2.h
@@ -19,6 +19,7 @@
#define CONFIG_SYS_MALLOC_LEN (32 << 20)
#define CONFIG_SYS_CBSIZE 1024
#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_MISC_INIT_R
#define CONFIG_SYS_SDRAM_BASE 0
#define CONFIG_SYS_TEXT_BASE 0x01000000
--
2.7.3
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