mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
5a16797105
Add RAM auto-sizing, without this change memory size for all SKU is set
to 8GB and the system will crash on SKU with less memory as soon as the
non existent memory addresses are accessed.
Fixes: 2bc2f817ce ("board: toradex: add verdin imx8m plus support")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
136 lines
2.9 KiB
C
136 lines
2.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2022 Toradex
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*/
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#include <common.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx8mp_pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm-generic/gpio.h>
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#include <asm/global_data.h>
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#include <asm/mach-imx/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <errno.h>
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#include <env.h>
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#include <init.h>
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#include <linux/delay.h>
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#include <micrel.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include "../common/tdx-cfg-block.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
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/* Verdin UART_3, Console/Debug UART */
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static const iomux_v3_cfg_t uart_pads[] = {
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MX8MP_PAD_UART3_RXD__UART3_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX8MP_PAD_UART3_TXD__UART3_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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int board_early_init_f(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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init_uart_clk(2);
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return 0;
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}
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static void setup_fec(void)
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{
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struct iomuxc_gpr_base_regs *gpr =
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(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
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/* Enable RGMII TX clk output */
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setbits_le32(&gpr->gpr[1], BIT(22));
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}
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static int setup_eqos(void)
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{
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struct iomuxc_gpr_base_regs *gpr =
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(struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
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/* set INTF as RGMII, enable RGMII TXC clock */
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clrsetbits_le32(&gpr->gpr[1],
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IOMUXC_GPR_GPR1_GPR_ENET_QOS_INTF_SEL_MASK, BIT(16));
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setbits_le32(&gpr->gpr[1], BIT(19) | BIT(21));
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return set_clk_eqos(ENET_125MHZ);
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}
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#if IS_ENABLED(CONFIG_NET)
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int board_phy_config(struct phy_device *phydev)
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{
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#endif
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int board_init(void)
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{
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int ret = 0;
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if (IS_ENABLED(CONFIG_FEC_MXC))
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setup_fec();
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if (IS_ENABLED(CONFIG_DWC_ETH_QOS))
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ret = setup_eqos();
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return ret;
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}
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static void select_dt_from_module_version(void)
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{
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char variant[32];
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char *env_variant = env_get("variant");
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int is_wifi = 0;
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if (IS_ENABLED(CONFIG_TDX_CFG_BLOCK)) {
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/*
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* If we have a valid config block and it says we are a module with
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* Wi-Fi/Bluetooth make sure we use the -wifi device tree.
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*/
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is_wifi = (tdx_hw_tag.prodid == VERDIN_IMX8MPQ_WIFI_BT_IT) ||
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(tdx_hw_tag.prodid == VERDIN_IMX8MPQ_2GB_WIFI_BT_IT) ||
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(tdx_hw_tag.prodid == VERDIN_IMX8MPQ_8GB_WIFI_BT);
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}
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if (is_wifi)
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strlcpy(&variant[0], "wifi", sizeof(variant));
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else
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strlcpy(&variant[0], "nonwifi", sizeof(variant));
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if (strcmp(variant, env_variant)) {
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printf("Setting variant to %s\n", variant);
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env_set("variant", variant);
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}
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}
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int board_late_init(void)
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{
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select_dt_from_module_version();
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return 0;
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}
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int board_phys_sdram_size(phys_size_t *size)
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{
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if (!size)
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return -EINVAL;
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*size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE + PHYS_SDRAM_2_SIZE);
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return 0;
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}
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#if IS_ENABLED(CONFIG_OF_LIBFDT) && IS_ENABLED(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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return ft_common_board_setup(blob, bd);
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}
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#endif
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