diff options
| author | Martyn Welch <martyn.welch@collabora.com> | 2022-10-25 10:55:02 +0100 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2022-11-08 17:34:47 +0100 |
| commit | c8f3402ad294b0dd9484e22d338040aa89bae2cf (patch) | |
| tree | 0edd28baea2a577a806ff7d72cc9172225fa087b /board/msc/sm2s_imx8mp/sm2s_imx8mp.c | |
| parent | e0554577598adf3b559d0a8b705e4078ef9fba17 (diff) | |
arm: imx8mp: Initial MSC SM2S iMX8MP support
Add support for the MSC SM2S-IMX8PLUS SMARC Module. Tested in conjunction
with the MSC SM2-MB-EP1 Mini-ITX Carrier Board.
Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Diffstat (limited to 'board/msc/sm2s_imx8mp/sm2s_imx8mp.c')
| -rw-r--r-- | board/msc/sm2s_imx8mp/sm2s_imx8mp.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/board/msc/sm2s_imx8mp/sm2s_imx8mp.c b/board/msc/sm2s_imx8mp/sm2s_imx8mp.c new file mode 100644 index 0000000000..3913c4f242 --- /dev/null +++ b/board/msc/sm2s_imx8mp/sm2s_imx8mp.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Based on vendor support provided by AVNET Embedded + * + * Copyright (C) 2021 AVNET Embedded, MSC Technologies GmbH + * Copyright 2021 General Electric Company + * Copyright 2021 Collabora Ltd. + */ + +#include <common.h> +#include <errno.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx8mp_pins.h> +#include <asm/arch/sys_proto.h> +#include <asm/mach-imx/gpio.h> +#include <asm/mach-imx/iomux-v3.h> +#include <asm-generic/gpio.h> +#include <linux/delay.h> + +DECLARE_GLOBAL_DATA_PTR; + +static void setup_fec(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + /* Enable RGMII TX clk output */ + setbits_le32(&gpr->gpr[1], BIT(22)); +} + +static int setup_eqos(void) +{ + struct iomuxc_gpr_base_regs *gpr = + (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR; + + /* set INTF as RGMII, enable RGMII TXC clock */ + clrsetbits_le32(&gpr->gpr[1], + IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16)); + setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21)); + + return set_clk_eqos(ENET_125MHZ); +} + +int board_phy_config(struct phy_device *phydev) +{ + if (phydev->drv->config) + phydev->drv->config(phydev); + return 0; +} + +int board_init(void) +{ + setup_fec(); + + setup_eqos(); + + return 0; +} |