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arm: mvebu: Espressobin: Use DM registered MDIO to configure switch

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In order to be able to get rid of the non-DM MDIO bus registered in
mvneta driver, we need to stop using board_network_enable() and instead
use the DM registered MDIO device to configure switch in
last_stage_init().

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Marek Behún 2022-04-27 12:41:48 +02:00 committed by Stefan Roese
parent 4d47ea2279
commit a2b2542992
2 changed files with 21 additions and 6 deletions
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26
board/Marvell/mvebu_armada-37xx/board.c
View File

@ -11,6 +11,7 @@
#include <i2c.h>
#include <init.h>
#include <mmc.h>
#include <miiphy.h>
#include <phy.h>
#include <asm/global_data.h>
#include <asm/io.h>
@ -254,14 +255,15 @@ int board_xhci_enable(fdt_addr_t base)
return 0;
}
#ifdef CONFIG_LAST_STAGE_INIT
/* Helper function for accessing switch devices in multi-chip connection mode */
static int mii_multi_chip_mode_write(struct mii_dev *bus, int dev_smi_addr,
static int mii_multi_chip_mode_write(struct udevice *bus, int dev_smi_addr,
int smi_addr, int reg, u16 value)
{
u16 smi_cmd = 0;
if (bus->write(bus, dev_smi_addr, 0,
MVEBU_SW_SMI_DATA_REG, value) != 0) {
if (dm_mdio_write(bus, dev_smi_addr, MDIO_DEVAD_NONE,
MVEBU_SW_SMI_DATA_REG, value) != 0) {
printf("Error writing to the PHY addr=%02x reg=%02x\n",
smi_addr, reg);
return -EFAULT;
@ -272,8 +274,8 @@ static int mii_multi_chip_mode_write(struct mii_dev *bus, int dev_smi_addr,
(1 << SW_SMI_CMD_SMI_OP_OFF) |
(smi_addr << SW_SMI_CMD_DEV_ADDR_OFF) |
(reg << SW_SMI_CMD_REG_ADDR_OFF);
if (bus->write(bus, dev_smi_addr, 0,
MVEBU_SW_SMI_CMD_REG, smi_cmd) != 0) {
if (dm_mdio_write(bus, dev_smi_addr, MDIO_DEVAD_NONE,
MVEBU_SW_SMI_CMD_REG, smi_cmd) != 0) {
printf("Error writing to the PHY addr=%02x reg=%02x\n",
smi_addr, reg);
return -EFAULT;
@ -283,11 +285,22 @@ static int mii_multi_chip_mode_write(struct mii_dev *bus, int dev_smi_addr,
}
/* Bring-up board-specific network stuff */
int board_network_enable(struct mii_dev *bus)
int last_stage_init(void)
{
struct udevice *bus;
ofnode node;
if (!of_machine_is_compatible("globalscale,espressobin"))
return 0;
node = ofnode_by_compatible(ofnode_null(), "marvell,orion-mdio");
if (!ofnode_valid(node) ||
uclass_get_device_by_ofnode(UCLASS_MDIO, node, &bus) ||
device_probe(bus)) {
printf("Cannot find MDIO bus\n");
return 0;
}
/*
* FIXME: remove this code once Topaz driver gets available
* A3720 Community Board Only
@ -327,6 +340,7 @@ int board_network_enable(struct mii_dev *bus)
return 0;
}
#endif
#ifdef CONFIG_OF_BOARD_SETUP
int ft_board_setup(void *blob, struct bd_info *bd)

1
configs/mvebu_espressobin-88f3720_defconfig
View File

@ -25,6 +25,7 @@ CONFIG_DISPLAY_BOARDINFO_LATE=y
CONFIG_ARCH_EARLY_INIT_R=y
CONFIG_BOARD_EARLY_INIT_F=y
CONFIG_BOARD_LATE_INIT=y
CONFIG_LAST_STAGE_INIT=y
# CONFIG_CMD_FLASH is not set
CONFIG_CMD_FUSE=y
CONFIG_CMD_GPIO=y