diff options
author | 2023-10-10 14:33:42 +0000 | |
---|---|---|
committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/board/ge/mx53ppd/mx53ppd.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/board/ge/mx53ppd/mx53ppd.c')
-rw-r--r-- | roms/u-boot/board/ge/mx53ppd/mx53ppd.c | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/roms/u-boot/board/ge/mx53ppd/mx53ppd.c b/roms/u-boot/board/ge/mx53ppd/mx53ppd.c new file mode 100644 index 000000000..6174125e7 --- /dev/null +++ b/roms/u-boot/board/ge/mx53ppd/mx53ppd.c @@ -0,0 +1,265 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright 2017 General Electric Company + * + * Based on board/freescale/mx53loco/mx53loco.c: + * + * Copyright (C) 2011 Freescale Semiconductor, Inc. + * Jason Liu <r64343@freescale.com> + */ + +#include <common.h> +#include <init.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux-mx53.h> +#include <asm/arch/clock.h> +#include <env.h> +#include <linux/errno.h> +#include <linux/libfdt.h> +#include <asm/mach-imx/mxc_i2c.h> +#include <asm/mach-imx/mx5_video.h> +#include <netdev.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc_imx.h> +#include <asm/gpio.h> +#include <power/pmic.h> +#include <dialog_pmic.h> +#include <fsl_pmic.h> +#include <linux/fb.h> +#include <ipu_pixfmt.h> +#include <version.h> +#include <watchdog.h> +#include "ppd_gpio.h" +#include <stdlib.h> +#include "../../ge/common/ge_rtc.h" +#include "../../ge/common/vpd_reader.h" + +DECLARE_GLOBAL_DATA_PTR; + +static u32 mx53_dram_size[2]; + +phys_size_t get_effective_memsize(void) +{ + /* + * WARNING: We must override get_effective_memsize() function here + * to report only the size of the first DRAM bank. This is to make + * U-Boot relocator place U-Boot into valid memory, that is, at the + * end of the first DRAM bank. If we did not override this function + * like so, U-Boot would be placed at the address of the first DRAM + * bank + total DRAM size - sizeof(uboot), which in the setup where + * each DRAM bank contains 512MiB of DRAM would result in placing + * U-Boot into invalid memory area close to the end of the first + * DRAM bank. + */ + return mx53_dram_size[0]; +} + +int dram_init(void) +{ + mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30); + mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30); + + gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1]; + + return 0; +} + +int dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = mx53_dram_size[0]; + + gd->bd->bi_dram[1].start = PHYS_SDRAM_2; + gd->bd->bi_dram[1].size = mx53_dram_size[1]; + + return 0; +} + +u32 get_board_rev(void) +{ + return get_cpu_rev() & ~(0xF << 8); +} + +#ifdef CONFIG_USB_EHCI_MX5 +int board_ehci_hcd_init(int port) +{ + /* request VBUS power enable pin, GPIO7_8 */ + imx_iomux_v3_setup_pad(MX53_PAD_PATA_DA_2__GPIO7_8); + gpio_direction_output(IMX_GPIO_NR(7, 8), 1); + return 0; +} +#endif + +static int clock_1GHz(void) +{ + int ret; + u32 ref_clk = MXC_HCLK; + /* + * After increasing voltage to 1.25V, we can switch + * CPU clock to 1GHz and DDR to 400MHz safely + */ + ret = mxc_set_clock(ref_clk, 1000, MXC_ARM_CLK); + if (ret) { + printf("CPU: Switch CPU clock to 1GHZ failed\n"); + return -1; + } + + ret = mxc_set_clock(ref_clk, 400, MXC_PERIPH_CLK); + ret |= mxc_set_clock(ref_clk, 400, MXC_DDR_CLK); + if (ret) { + printf("CPU: Switch DDR clock to 400MHz failed\n"); + return -1; + } + + return 0; +} + +void ppd_gpio_init(void) +{ + int i; + + imx_iomux_v3_setup_multiple_pads(ppd_pads, ARRAY_SIZE(ppd_pads)); + for (i = 0; i < ARRAY_SIZE(ppd_gpios); ++i) { + gpio_request(ppd_gpios[i].gpio, "request"); + gpio_direction_output(ppd_gpios[i].gpio, ppd_gpios[i].value); + } +} + +int board_early_init_f(void) +{ + ppd_gpio_init(); + + return 0; +} + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + +#define VPD_TYPE_INVALID 0x00 +#define VPD_BLOCK_NETWORK 0x20 +#define VPD_BLOCK_HWID 0x44 +#define VPD_PRODUCT_PPD 4 +#define VPD_HAS_MAC1 0x1 +#define VPD_MAC_ADDRESS_LENGTH 6 + +struct vpd_cache { + u8 product_id; + u8 has; + unsigned char mac1[VPD_MAC_ADDRESS_LENGTH]; +}; + +/* + * Extracts MAC and product information from the VPD. + */ +static int vpd_callback(struct vpd_cache *userdata, u8 id, u8 version, + u8 type, size_t size, u8 const *data) +{ + struct vpd_cache *vpd = userdata; + + if (id == VPD_BLOCK_HWID && version == 1 && type != VPD_TYPE_INVALID && + size >= 1) { + vpd->product_id = data[0]; + + } else if (id == VPD_BLOCK_NETWORK && version == 1 && + type != VPD_TYPE_INVALID) { + if (size >= 6) { + vpd->has |= VPD_HAS_MAC1; + memcpy(vpd->mac1, data, VPD_MAC_ADDRESS_LENGTH); + } + } + + return 0; +} + +static void process_vpd(struct vpd_cache *vpd) +{ + int fec_index = -1; + + if (vpd->product_id == VPD_PRODUCT_PPD) + fec_index = 0; + + if (fec_index >= 0 && (vpd->has & VPD_HAS_MAC1)) + eth_env_set_enetaddr("ethaddr", vpd->mac1); +} + +int board_init(void) +{ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + mxc_set_sata_internal_clock(); + + return 0; +} + +int misc_init_r(void) +{ + const char *cause; + + /* We care about WDOG only, treating everything else as + * a power-on-reset. + */ + if (get_imx_reset_cause() & 0x0010) + cause = "WDOG"; + else + cause = "POR"; + + env_set("bootcause", cause); + + return 0; +} + +int board_late_init(void) +{ + int res; + struct vpd_cache vpd; + + memset(&vpd, 0, sizeof(vpd)); + res = read_i2c_vpd(&vpd, vpd_callback); + if (!res) + process_vpd(&vpd); + else + printf("Can't read VPD"); + + res = clock_1GHz(); + if (res != 0) + return res; + + print_cpuinfo(); + + check_time(); + + return 0; +} + +int checkboard(void) +{ + puts("Board: GE PPD\n"); + + return 0; +} + +#ifdef CONFIG_OF_BOARD_SETUP +int ft_board_setup(void *blob, struct bd_info *bd) +{ + char *rtc_status = env_get("rtc_status"); + + fdt_setprop(blob, 0, "ge,boot-ver", version_string, + strlen(version_string) + 1); + + fdt_setprop(blob, 0, "ge,rtc-status", rtc_status, + strlen(rtc_status) + 1); + return 0; +} +#endif |