141 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright 2021 NXP
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 */
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#include <common.h>
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#include <init.h>
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#include <spl.h>
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#include <asm/io.h>
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#include <errno.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/imx8ulp-pins.h>
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#include <dm/uclass.h>
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#include <dm/device.h>
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#include <dm/uclass-internal.h>
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#include <dm/device-internal.h>
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#include <dm/lists.h>
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#include <asm/arch/ddr.h>
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#include <asm/arch/rdc.h>
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#include <asm/arch/upower.h>
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#include <asm/mach-imx/s400_api.h>
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DECLARE_GLOBAL_DATA_PTR;
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void spl_dram_init(void)
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{
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	/* Reboot in dual boot setting no need to init ddr again */
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	bool ddr_enable = pcc_clock_is_enable(5, LPDDR4_PCC5_SLOT);
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	if (!ddr_enable) {
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		init_clk_ddr();
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		ddr_init(&dram_timing);
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	} else {
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		/* reinit pfd/pfddiv and lpavnic except pll4*/
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		cgc2_pll4_init(false);
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	}
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}
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u32 spl_boot_device(void)
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{
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	return BOOT_DEVICE_BOOTROM;
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}
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int power_init_board(void)
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{
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	if (IS_ENABLED(CONFIG_IMX8ULP_LD_MODE)) {
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		/* Set buck3 to 0.9v LD */
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		upower_pmic_i2c_write(0x22, 0x18);
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	} else if (IS_ENABLED(CONFIG_IMX8ULP_ND_MODE)) {
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		/* Set buck3 to 1.0v ND */
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		upower_pmic_i2c_write(0x22, 0x20);
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	} else {
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		/* Set buck3 to 1.1v OD */
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		upower_pmic_i2c_write(0x22, 0x28);
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	}
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	return 0;
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}
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void display_ele_fw_version(void)
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{
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	u32 fw_version, sha1, res;
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	int ret;
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	ret = ahab_get_fw_version(&fw_version, &sha1, &res);
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	if (ret) {
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		printf("ahab get firmware version failed %d, 0x%x\n", ret, res);
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	} else {
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		printf("ELE firmware version %u.%u.%u-%x",
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		       (fw_version & (0x00ff0000)) >> 16,
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		       (fw_version & (0x0000ff00)) >> 8,
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		       (fw_version & (0x000000ff)), sha1);
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		((fw_version & (0x80000000)) >> 31) == 1 ? puts("-dirty\n") : puts("\n");
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	}
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}
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void spl_board_init(void)
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{
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	struct udevice *dev;
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	u32 res;
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	int ret;
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	uclass_find_first_device(UCLASS_MISC, &dev);
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	for (; dev; uclass_find_next_device(&dev)) {
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		if (device_probe(dev))
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			continue;
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	}
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	board_early_init_f();
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	preloader_console_init();
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	puts("Normal Boot\n");
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	display_ele_fw_version();
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	/* After AP set iomuxc0, the i2c can't work, Need M33 to set it now */
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	/* Load the lposc fuse to work around ROM issue. The fuse depends on S400 to read. */
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	if (is_soc_rev(CHIP_REV_1_0))
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		load_lposc_fuse();
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	upower_init();
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	power_init_board();
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	clock_init_late();
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	/* DDR initialization */
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	spl_dram_init();
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	/* This must place after upower init, so access to MDA and MRC are valid */
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	/* Init XRDC MDA  */
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	xrdc_init_mda();
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	/* Init XRDC MRC for VIDEO, DSP domains */
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	xrdc_init_mrc();
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	/* Call it after PS16 power up */
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	set_lpav_qos();
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	/* Enable A35 access to the CAAM */
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	ret = ahab_release_caam(0x7, &res);
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	if (ret)
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		printf("ahab release caam failed %d, 0x%x\n", ret, res);
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}
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void board_init_f(ulong dummy)
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{
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	/* Clear the BSS. */
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	memset(__bss_start, 0, __bss_end - __bss_start);
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	timer_init();
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	arch_cpu_init();
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	board_init_r(NULL, 0);
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}
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