157 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			157 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright (C) 2021 Ronetix GmbH
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|  *
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|  * Author: Ilko Iliev <iliev@ronetix.at>
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|  */
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| 
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| #include <common.h>
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| #include <cpu_func.h>
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| #include <init.h>
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| #include <asm/arch/clock.h>
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| #include <asm/arch/imx-regs.h>
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| #include <asm/arch/crm_regs.h>
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| #include <asm/arch/mx7-pins.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/arch-mx7/mx7-ddr.h>
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| #include <asm/mach-imx/iomux-v3.h>
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| #include <asm/gpio.h>
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| #include <fsl_esdhc_imx.h>
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| #include <spl.h>
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| 
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| static struct ddrc ddrc_regs_val = {
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| 	.mstr		= 0x01040001,
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| 	.rfshtmg	= 0x00400046,
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| 	.init1		= 0x00690000,
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| 	.init0		= 0x00020083,
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| 	.init3		= 0x09300004,
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| 	.init4		= 0x04080000,
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| 	.init5		= 0x00100004,
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| 	.rankctl	= 0x0000033F,
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| 	.dramtmg0	= 0x09081109,
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| 	.dramtmg1	= 0x0007020d,
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| 	.dramtmg2	= 0x03040407,
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| 	.dramtmg3	= 0x00002006,
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| 	.dramtmg4	= 0x04020205,
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| 	.dramtmg5	= 0x03030202,
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| 	.dramtmg8	= 0x00000803,
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| 	.zqctl0		= 0x00800020,
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| 	.dfitmg0	= 0x02098204,
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| 	.dfitmg1	= 0x00030303,
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| 	.dfiupd0	= 0x80400003,
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| 	.dfiupd1	= 0x00100020,
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| 	.dfiupd2	= 0x80100004,
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| 	.addrmap4	= 0x00000F0F,
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| 	.odtcfg		= 0x06000604,
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| 	.odtmap		= 0x00000001,
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| 	.rfshtmg	= 0x00400046,
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| 	.dramtmg0	= 0x09081109,
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| 	.addrmap0	= 0x0000001f,
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| 	.addrmap1	= 0x00080808,
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| 	.addrmap4	= 0x00000f0f,
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| 	.addrmap5	= 0x07070707,
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| 	.addrmap6	= 0x0f0f0707,
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| };
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| 
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| static struct ddrc_mp ddrc_mp_val = {
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| 	.pctrl_0	= 0x00000001,
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| };
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| 
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| static struct ddr_phy ddr_phy_regs_val = {
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| 	.phy_con0	= 0x17420f40,
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| 	.phy_con1	= 0x10210100,
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| 	.phy_con4	= 0x00060807,
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| 	.mdll_con0	= 0x1010007e,
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| 	.drvds_con0	= 0x00000d6e,
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| 	.cmd_sdll_con0	= 0x00000010,
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| 	.offset_lp_con0	= 0x0000000f,
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| 	.offset_rd_con0	= 0x0a0a0a0a,
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| 	.offset_wr_con0	= 0x06060606,
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| };
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| 
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| static struct mx7_calibration calib_param = {
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| 	.num_val	= 5,
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| 	.values		= {
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| 		0x0E407304,
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| 		0x0E447304,
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| 		0x0E447306,
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| 		0x0E447304,
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| 		0x0E447304,
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| 	},
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| };
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| 
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| static void ddr_init(void)
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| {
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| 	mx7_dram_cfg(&ddrc_regs_val, &ddrc_mp_val, &ddr_phy_regs_val, &calib_param);
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| }
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| 
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| #define UART_PAD_CTRL		(PAD_CTL_DSE_3P3V_49OHM | \
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| 				PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
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| 
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| static iomux_v3_cfg_t const uart1_pads[] = {
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| 	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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| 	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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| };
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| 
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| void uart1_pads_set(void)
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| {
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| 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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| }
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| 
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| void board_init_f(ulong dummy)
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| {
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| 	arch_cpu_init();
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| 
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| 	uart1_pads_set();
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| 
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| 	timer_init();
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| 
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| 	preloader_console_init();
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| 
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| 	ddr_init();
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| 
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| 	memset(__bss_start, 0, __bss_end - __bss_start);
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| 
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| 	board_init_r(NULL, 0);
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| }
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| 
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| void reset_cpu(void)
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| {
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| }
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| 
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| #define USDHC_PAD_CTRL		(PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
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| 				PAD_CTL_HYS | PAD_CTL_PUE | \
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| 				PAD_CTL_PUS_PU47KOHM)
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| 
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| static iomux_v3_cfg_t const usdhc1_pads[] = {
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| 	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| 
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| 	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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| };
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| 
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| void usdhc1_pads_set(void)
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| {
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| 	imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
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| }
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| 
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| static struct fsl_esdhc_cfg usdhc_cfg = {
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| 	USDHC1_BASE_ADDR, 0, 4
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| };
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| 
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| int board_mmc_init(struct bd_info *bis)
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| {
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| 	usdhc1_pads_set();
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| 	usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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| 	return fsl_esdhc_initialize(bis, &usdhc_cfg);
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| }
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| 
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| int board_mmc_getcd(struct mmc *mmc)
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| {
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| 	return 1;
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| }
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