From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Hershberger Date: Sun, 3 Apr 2016 19:20:10 -0500 Subject: [U-Boot] [PATCH v2 9/9] board: odroid-c2: add Ethernet support In-Reply-To: <1459667897-2824-10-git-send-email-b.galvani@gmail.com> References: <1459667897-2824-1-git-send-email-b.galvani@gmail.com> <1459667897-2824-10-git-send-email-b.galvani@gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sun, Apr 3, 2016 at 2:18 AM, Beniamino Galvani wrote: > Add initialization code for the Ethernet adapter on ODROID-C2 and > enable the driver. > > Signed-off-by: Beniamino Galvani > --- > 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 > +#include > +#include > + > +#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); It would be good to have constants for all these magic numbers. > + > + /* Enable clocks */ > + setbits_le32(GXBB_GCLK_MPEG_1, 1 << 3); Use the BIT() macro for this type of thing. Probably use the BIT() macro in another named macro for the meaning of the magic bit. > + 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 > > _______________________________________________ > U-Boot mailing list > U-Boot at lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot