[PATCH 4/4] mx6cuboxi: Convert to DM_ETH
Vladimir Oltean
olteanv at gmail.com
Thu Jun 18 21:30:51 CEST 2020
Hi Fabio,
On Thu, 18 Jun 2020 at 22:07, Fabio Estevam <festevam at gmail.com> wrote:
>
> Migration to DM_ETH is mandatory, so convert mx6cuboxi to Ethernet
> Driver Model.
>
> This also brings the benefit of restoring Ethernet functionality.
>
> Reported-by: Tom Rini <trini at konsulko.com>
> Signed-off-by: Fabio Estevam <festevam at gmail.com>
> ---
> board/solidrun/mx6cuboxi/mx6cuboxi.c | 123 ++++-----------------------
> configs/mx6cuboxi_defconfig | 4 +
> include/configs/mx6cuboxi.h | 6 --
> 3 files changed, 21 insertions(+), 112 deletions(-)
>
> diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> index 94707bccb2..225fea2cb2 100644
> --- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
> +++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> @@ -17,7 +17,6 @@
> #include <image.h>
> #include <init.h>
> #include <log.h>
> -#include <net.h>
> #include <asm/arch/clock.h>
> #include <asm/arch/imx-regs.h>
> #include <asm/arch/iomux.h>
> @@ -34,7 +33,6 @@
> #include <fsl_esdhc_imx.h>
> #include <malloc.h>
> #include <miiphy.h>
> -#include <netdev.h>
> #include <asm/arch/crm_regs.h>
> #include <asm/io.h>
> #include <asm/arch/sys_proto.h>
> @@ -237,110 +235,6 @@ int board_mmc_init(bd_t *bis)
> return 0;
> }
>
> -static iomux_v3_cfg_t const enet_pads[] = {
> - IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - /* AR8035 reset */
> - IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> - /* AR8035 interrupt */
> - IOMUX_PADS(PAD_DI0_PIN2__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
> - /* GPIO16 -> AR8035 25MHz */
> - IOMUX_PADS(PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
> - IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK)),
> - IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> - IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> - IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
> - IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> - IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> - IOMUX_PADS(PAD_ENET_RXD1__GPIO1_IO26 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
> -};
> -
> -static void setup_iomux_enet(void)
> -{
> - struct gpio_desc desc;
> - int ret;
> -
> - SETUP_IOMUX_PADS(enet_pads);
> -
> - ret = dm_gpio_lookup_name("GPIO4_15", &desc);
> - if (ret) {
> - printf("%s: phy reset lookup failed\n", __func__);
> - return;
> - }
> -
> - ret = dm_gpio_request(&desc, "phy-reset");
> - if (ret) {
> - printf("%s: phy reset request failed\n", __func__);
> - return;
> - }
> -
> - gpio_direction_output(ETH_PHY_RESET, 0);
> - mdelay(10);
> - gpio_set_value(ETH_PHY_RESET, 1);
> - udelay(100);
> -
> - gpio_free_list_nodev(&desc, 1);
> -}
> -
> -int board_phy_config(struct phy_device *phydev)
> -{
> - if (phydev->drv->config)
> - phydev->drv->config(phydev);
> -
> - return 0;
> -}
> -
> -/* On Cuboxi Ethernet PHY can be located at addresses 0x0 or 0x4 */
> -#define ETH_PHY_MASK ((1 << 0x0) | (1 << 0x4))
> -
> -int board_eth_init(bd_t *bis)
> -{
> - struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
> - struct mii_dev *bus;
> - struct phy_device *phydev;
> -
> - int ret = enable_fec_anatop_clock(0, ENET_25MHZ);
> - if (ret)
> - return ret;
> -
> - /* set gpr1[ENET_CLK_SEL] */
> - setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK);
> -
> - setup_iomux_enet();
> -
> - bus = fec_get_miibus(IMX_FEC_BASE, -1);
> - if (!bus)
> - return -EINVAL;
> -
> - phydev = phy_find_by_mask(bus, ETH_PHY_MASK, PHY_INTERFACE_MODE_RGMII);
> - if (!phydev) {
> - ret = -EINVAL;
> - goto free_bus;
> - }
> -
> - debug("using phy at address %d\n", phydev->addr);
> - ret = fec_probe(bis, -1, IMX_FEC_BASE, bus, phydev);
> - if (ret)
> - goto free_phydev;
> -
> - return 0;
> -
> -free_phydev:
> - free(phydev);
> -free_bus:
> - free(bus);
> - return ret;
> -}
> -
> #ifdef CONFIG_VIDEO_IPUV3
> static void do_enable_hdmi(struct display_info_t const *dev)
> {
> @@ -433,6 +327,21 @@ static int setup_display(void)
> }
> #endif /* CONFIG_VIDEO_IPUV3 */
>
> +static int setup_fec(void)
> +{
> + struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
> + int ret;
> +
> + ret = enable_fec_anatop_clock(0, ENET_25MHZ);
> + if (ret)
> + return ret;
> +
> + /* set gpr1[ENET_CLK_SEL] */
> + setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK);
> +
> + return 0;
> +}
> +
> int board_early_init_f(void)
> {
> setup_iomux_uart();
> @@ -440,6 +349,8 @@ int board_early_init_f(void)
> #ifdef CONFIG_CMD_SATA
> setup_sata();
> #endif
> + setup_fec();
> +
> return 0;
> }
>
> diff --git a/configs/mx6cuboxi_defconfig b/configs/mx6cuboxi_defconfig
> index df7e4611a0..3f43fb7ad0 100644
> --- a/configs/mx6cuboxi_defconfig
> +++ b/configs/mx6cuboxi_defconfig
> @@ -50,6 +50,10 @@ CONFIG_DM_MMC=y
> CONFIG_FSL_USDHC=y
> CONFIG_PHYLIB=y
> CONFIG_PHY_ATHEROS=y
> +CONFIG_DM_ETH=y
> +CONFIG_DM_MDIO=y
I wasn't going to nitpick, but since Baruch started giving some more
relevant feedback, I figured I could as well:
Does this board make any use of DM_MDIO? Doesn't look like it.
> +CONFIG_FEC_MXC=y
> +CONFIG_RGMII=y
> CONFIG_MII=y
> CONFIG_PINCTRL=y
> CONFIG_PINCTRL_IMX6=y
> diff --git a/include/configs/mx6cuboxi.h b/include/configs/mx6cuboxi.h
> index 2ccf44e573..96f79e6b58 100644
> --- a/include/configs/mx6cuboxi.h
> +++ b/include/configs/mx6cuboxi.h
> @@ -29,12 +29,6 @@
> #define CONFIG_LBA48
> #endif
>
> -/* Ethernet Configuration */
> -#define CONFIG_FEC_MXC
> -#define IMX_FEC_BASE ENET_BASE_ADDR
> -#define CONFIG_FEC_XCV_TYPE RGMII
> -#define CONFIG_FEC_MXC_PHYADDR 0
> -
> /* Framebuffer */
> #define CONFIG_VIDEO_BMP_RLE8
> #define CONFIG_SPLASH_SCREEN
> --
> 2.17.1
>
Thanks,
-Vladimir
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