[PATCH] arm: kirkwood: GoFlex Home : Use Marvell uclass mvgbe and PHY driver for Ethernet

Stefan Roese sr at denx.de
Mon Jan 31 12:33:46 CET 2022


On 1/26/22 04:33, Tony Dinh wrote:
> The GoFlex Home board has the network chip Marvell 88E1116R.
> Use uclass mvgbe and the compatible driver M88E1118R to bring up Ethernet.
> 
> - Currently, CONFIG_RESET_PHY_R symbol is used in
> arch/arm/mach-kirkwood/include/mach/config.h for all Kirkwood
> boards with mv8831116 PHY, with each board defines the function
> reset_phy(). Undefine it for this board.
> - Add board_eth_init() to use uclass mvgbe to bring up the network.
> And remove ad-hoc code.
> - Enable CONFIG_PHY_MARVELL to properly configure the network.
> - Miscellaneous changes: use CONFIG_SYS_THUMB_BUILD to keep u-boot image
> under 512K, use BIT macro, and cleanup comments.
> 
> Signed-off-by: Tony Dinh <mibodhi at gmail.com>

Applied to u-boot-marvell/master

Thanks,
Stefan

> ---
> 
>   board/Seagate/goflexhome/goflexhome.c | 84 ++++-----------------------
>   configs/goflexhome_defconfig          |  2 +
>   include/configs/goflexhome.h          | 32 +++-------
>   3 files changed, 22 insertions(+), 96 deletions(-)
> 
> diff --git a/board/Seagate/goflexhome/goflexhome.c b/board/Seagate/goflexhome/goflexhome.c
> index 52be64fb8c..caea89c10e 100644
> --- a/board/Seagate/goflexhome/goflexhome.c
> +++ b/board/Seagate/goflexhome/goflexhome.c
> @@ -1,10 +1,7 @@
>   // SPDX-License-Identifier: GPL-2.0+
>   /*
> - * Copyright (C) 2021
> - * Tony Dinh <mibodhi at gmail.com>
> - * Suriyan Ramasami <suriyan.r at gmail.com>
> - *
> - * Copyright (C) 2013 Suriyan Ramasami <suriyan.r at gmail.com>
> + * Copyright (C) 2021-2022 Tony Dinh <mibodhi at gmail.com>
> + * Copyright (C) 2013-2021 Suriyan Ramasami <suriyan.r at gmail.com>
>    *
>    * Based on dockstar.c originally written by
>    * Copyright (C) 2010  Eric C. Cooper <ecc at cmu.edu>
> @@ -18,14 +15,14 @@
>   #include <common.h>
>   #include <bootstage.h>
>   #include <init.h>
> -#include <miiphy.h>
> -#include <net.h>
> +#include <netdev.h>
>   #include <asm/global_data.h>
>   #include <asm/mach-types.h>
>   #include <asm/arch/soc.h>
>   #include <asm/arch/mpp.h>
>   #include <asm/arch/cpu.h>
>   #include <asm/io.h>
> +#include <linux/bitops.h>
>   
>   DECLARE_GLOBAL_DATA_PTR;
>   
> @@ -98,6 +95,11 @@ int board_early_init_f(void)
>   	return 0;
>   }
>   
> +int board_eth_init(struct bd_info *bis)
> +{
> +	return cpu_eth_init(bis);
> +}
> +
>   int board_init(void)
>   {
>   	/*
> @@ -111,73 +113,9 @@ int board_init(void)
>   	return 0;
>   }
>   
> -static int fdt_get_phy_addr(const char *path)
> -{
> -	const void *fdt = gd->fdt_blob;
> -	const u32 *reg;
> -	const u32 *val;
> -	int node, phandle, addr;
> -
> -	/* Find the node by its full path */
> -	node = fdt_path_offset(fdt, path);
> -	if (node >= 0) {
> -		/* Look up phy-handle */
> -		val = fdt_getprop(fdt, node, "phy-handle", NULL);
> -		if (val) {
> -			phandle = fdt32_to_cpu(*val);
> -			if (!phandle)
> -				return -1;
> -			/* Follow it to its node */
> -			node = fdt_node_offset_by_phandle(fdt, phandle);
> -			if (node) {
> -				/* Look up reg */
> -				reg = fdt_getprop(fdt, node, "reg", NULL);
> -				if (reg) {
> -					addr = fdt32_to_cpu(*reg);
> -					return addr;
> -				}
> -			}
> -		}
> -	}
> -	return -1;
> -}
> -
> -#ifdef CONFIG_RESET_PHY_R
> -/* Configure and enable MV88E1116 PHY */
> -void reset_phy(void)
> -{
> -	u16 reg;
> -	int phyaddr;
> -	char *name = "ethernet-controller at 72000";
> -	char *eth0_path = "/ocp at f1000000/ethernet-controller at 72000/ethernet0-port at 0";
> -
> -	if (miiphy_set_current_dev(name))
> -		return;
> -
> -	phyaddr = fdt_get_phy_addr(eth0_path);
> -	if (phyaddr < 0)
> -		return;
> -
> -	/*
> -	 * Enable RGMII delay on Tx and Rx for CPU port
> -	 * Ref: sec 4.7.2 of chip datasheet
> -	 */
> -	miiphy_write(name, phyaddr, MV88E1116_PGADR_REG, 2);
> -	miiphy_read(name, phyaddr, MV88E1116_MAC_CTRL_REG, &reg);
> -	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
> -	miiphy_write(name, phyaddr, MV88E1116_MAC_CTRL_REG, reg);
> -	miiphy_write(name, phyaddr, MV88E1116_PGADR_REG, 0);
> -
> -	/* reset the phy */
> -	miiphy_reset(name, phyaddr);
> -
> -	printf("88E1116 Initialized on %s\n", name);
> -}
> -#endif /* CONFIG_RESET_PHY_R */
> -
>   #if CONFIG_IS_ENABLED(BOOTSTAGE)
> -#define GREEN_LED	(1 << 14)
> -#define ORANGE_LED	(1 << 15)
> +#define GREEN_LED	BIT(14)
> +#define ORANGE_LED	BIT(15)
>   #define BOTH_LEDS	(GREEN_LED | ORANGE_LED)
>   #define NEITHER_LED	0
>   
> diff --git a/configs/goflexhome_defconfig b/configs/goflexhome_defconfig
> index ec8b7398d0..e6eb00a938 100644
> --- a/configs/goflexhome_defconfig
> +++ b/configs/goflexhome_defconfig
> @@ -2,6 +2,7 @@ CONFIG_ARM=y
>   CONFIG_SKIP_LOWLEVEL_INIT=y
>   CONFIG_SYS_DCACHE_OFF=y
>   CONFIG_ARCH_CPU_INIT=y
> +CONFIG_SYS_THUMB_BUILD=y
>   CONFIG_ARCH_KIRKWOOD=y
>   CONFIG_SYS_KWD_CONFIG="board/Seagate/goflexhome/kwbimage.cfg"
>   CONFIG_SYS_TEXT_BASE=0x600000
> @@ -47,6 +48,7 @@ CONFIG_SATA_MV=y
>   # CONFIG_MMC is not set
>   CONFIG_MTD=y
>   CONFIG_MTD_RAW_NAND=y
> +CONFIG_PHY_MARVELL=y
>   CONFIG_DM_ETH=y
>   CONFIG_MVGBE=y
>   CONFIG_MII=y
> diff --git a/include/configs/goflexhome.h b/include/configs/goflexhome.h
> index 90e37d9853..c279579268 100644
> --- a/include/configs/goflexhome.h
> +++ b/include/configs/goflexhome.h
> @@ -1,5 +1,6 @@
>   /* SPDX-License-Identifier: GPL-2.0+ */
>   /*
> + * Copyright (C) 2022 Tony Dinh <mibodhi at gmai.com>
>    * Copyright (C) 2013 Suriyan Ramasami <suriyan.r at gmail.com>
>    *
>    * Based on dockstar.h originally written by
> @@ -14,32 +15,18 @@
>   #ifndef _CONFIG_GOFLEXHOME_H
>   #define _CONFIG_GOFLEXHOME_H
>   
> +#include <linux/bitops.h>
> +
>   /*
>    * Default GPIO configuration and LED status
>    */
>   #define GOFLEXHOME_OE_LOW               (~(0))
>   #define GOFLEXHOME_OE_HIGH              (~(0))
> -#define GOFLEXHOME_OE_VAL_LOW           (1 << 29)       /* USB_PWEN low */
> -#define GOFLEXHOME_OE_VAL_HIGH          (1 << 17)       /* LED pin high */
> -
> -/* PHY related */
> -#define MV88E1116_LED_FCTRL_REG         10
> -#define MV88E1116_CPRSP_CR3_REG         21
> -#define MV88E1116_MAC_CTRL_REG          21
> -#define MV88E1116_PGADR_REG             22
> -#define MV88E1116_RGMII_TXTM_CTRL       (1 << 4)
> -#define MV88E1116_RGMII_RXTM_CTRL       (1 << 5)
> +#define GOFLEXHOME_OE_VAL_LOW		BIT(29)		/* USB_PWEN low */
> +#define GOFLEXHOME_OE_VAL_HIGH          BIT(17)		/* LED pin high */
>   
>   #include "mv-common.h"
>   
> -/*
> - *  Environment variables configurations
> - */
> -/*
> - * max 4k env size is enough, but in case of nand
> - * it has to be rounded to sector size
> - */
> -
>   /*
>    * Default environment variables
>    */
> @@ -47,22 +34,21 @@
>   #define CONFIG_EXTRA_ENV_SETTINGS \
>   	"console=console=ttyS0,115200\0" \
>   	"mtdids=nand0=orion_nand\0" \
> -	"mtdparts="CONFIG_MTDPARTS_DEFAULT \
> +	"mtdparts=" CONFIG_MTDPARTS_DEFAULT \
>   	"kernel=/boot/uImage\0" \
>   	"bootargs_root=ubi.mtd=root root=ubi0:root rootfstype=ubifs ro\0"
>   
>   /*
>    * Ethernet Driver configuration
>    */
> -#ifdef CONFIG_CMD_NET
>   #define CONFIG_MVGBE_PORTS	{1, 0}	/* enable port 0 only */
>   #define CONFIG_PHY_BASE_ADR	0
> -#endif /* CONFIG_CMD_NET */
> +#ifdef CONFIG_RESET_PHY_R
> +#undef CONFIG_RESET_PHY_R      /* remove legacy reset_phy() */
> +#endif
>   
>   /* SATA driver configuration */
> -#ifdef CONFIG_SATA
>   #define CONFIG_SYS_SATA_MAX_DEVICE	1
>   #define CONFIG_LBA48
> -#endif /* CONFIG_SATA */
>   
>   #endif /* _CONFIG_GOFLEXHOME_H */

Viele Grüße,
Stefan Roese

-- 
DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-51 Fax: (+49)-8142-66989-80 Email: sr at denx.de


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