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	Update PLL3/PLL4 PFD and USDHC clocks to meet maximum frequency restrictions. Detail clock rate changes in the patch: PLL3 PFD2: 389M -> 324M PLL3 PFD3: 336M -> 389M PLL3 PFD3: DIV1 336M -> 389M (OD), 194M (ND/LD) PLL3 PFD3: DIV2 336M -> 194M (OD), 97M (ND/LD) PLL4 PFD0: 792M -> 594M PLL4 PFD2: 792M -> 316.8M NIC_AP: 96M (ND) -> 192M, 48M (LD) -> 96M NIC_LPAV: 198 (ND) -> 192M, 99M (LD) -> 96M USDHC0: PLL3 PFD3 DIV1, 389M (OD), 194M (ND/LD) USDHC1: PLL3 PFD3 DIV2, 194M (OD), 97M (ND/LD) USDHC2: PLL3 PFD3 DIV2, 194M (OD), 97M (ND/LD) Signed-off-by: Ye Li <ye.li@nxp.com> Reviewed-by: Peng Fan <peng.fan@nxp.com>
		
			
				
	
	
		
			576 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			576 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * Copyright 2020 NXP
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|  */
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| 
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| #include <common.h>
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| #include <command.h>
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| #include <div64.h>
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| #include <asm/arch/imx-regs.h>
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| #include <asm/io.h>
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| #include <errno.h>
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| #include <asm/arch/clock.h>
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| #include <asm/arch/pcc.h>
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| #include <asm/arch/cgc.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/global_data.h>
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| #include <linux/delay.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| #define PLL_USB_EN_USB_CLKS_MASK	(0x01 << 6)
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| #define PLL_USB_PWR_MASK		(0x01 << 12)
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| #define PLL_USB_ENABLE_MASK		(0x01 << 13)
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| #define PLL_USB_BYPASS_MASK		(0x01 << 16)
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| #define PLL_USB_REG_ENABLE_MASK		(0x01 << 21)
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| #define PLL_USB_DIV_SEL_MASK		(0x07 << 22)
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| #define PLL_USB_LOCK_MASK		(0x01 << 31)
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| #define PCC5_LPDDR4_ADDR 0x2da70108
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| 
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| static void lpuart_set_clk(u32 index, enum cgc_clk clk)
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| {
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| 	const u32 lpuart_pcc_slots[] = {
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| 		LPUART4_PCC3_SLOT,
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| 		LPUART5_PCC3_SLOT,
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| 		LPUART6_PCC4_SLOT,
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| 		LPUART7_PCC4_SLOT,
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| 	};
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| 
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| 	const u32 lpuart_pcc[] = {
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| 		3, 3, 4, 4,
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| 	};
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| 
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| 	if (index > 3)
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| 		return;
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| 
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| 	pcc_clock_enable(lpuart_pcc[index], lpuart_pcc_slots[index], false);
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| 	pcc_clock_sel(lpuart_pcc[index], lpuart_pcc_slots[index], clk);
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| 	pcc_clock_enable(lpuart_pcc[index], lpuart_pcc_slots[index], true);
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| 
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| 	pcc_reset_peripheral(lpuart_pcc[index], lpuart_pcc_slots[index], false);
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| }
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| 
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| static void init_clk_lpuart(void)
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| {
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| 	u32 index = 0, i;
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| 
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| 	const u32 lpuart_array[] = {
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| 		LPUART4_RBASE,
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| 		LPUART5_RBASE,
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| 		LPUART6_RBASE,
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| 		LPUART7_RBASE,
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| 	};
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| 
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| 	for (i = 0; i < 4; i++) {
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| 		if (lpuart_array[i] == LPUART_BASE) {
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| 			index = i;
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| 			break;
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| 		}
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| 	}
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| 
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| 	lpuart_set_clk(index, SOSC_DIV2);
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| }
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| 
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| void init_clk_fspi(int index)
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| {
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| 	pcc_clock_enable(4, FLEXSPI2_PCC4_SLOT, false);
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| 	pcc_clock_sel(4, FLEXSPI2_PCC4_SLOT, PLL3_PFD2_DIV1);
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| 	pcc_clock_div_config(4, FLEXSPI2_PCC4_SLOT, false, 8);
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| 	pcc_clock_enable(4, FLEXSPI2_PCC4_SLOT, true);
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| 	pcc_reset_peripheral(4, FLEXSPI2_PCC4_SLOT, false);
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| }
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| 
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| void setclkout_ddr(void)
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| {
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| 	writel(0x12800000, 0x2DA60020);
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| 	writel(0xa00, 0x298C0000); /* PTD0 */
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| }
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| 
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| void ddrphy_pll_lock(void)
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| {
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| 	writel(0x00011542, 0x2E065964);
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| 	writel(0x00011542, 0x2E06586C);
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| 
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| 	writel(0x00000B01, 0x2E062000);
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| 	writel(0x00000B01, 0x2E060000);
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| }
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| 
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| void init_clk_ddr(void)
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| {
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| 	/* disable the ddr pcc */
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| 	writel(0xc0000000, PCC5_LPDDR4_ADDR);
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| 
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| 	/* enable pll4 and ddrclk*/
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| 	cgc2_pll4_init(true);
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| 	cgc2_ddrclk_config(4, 1);
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| 
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| 	/* enable ddr pcc */
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| 	writel(0xd0000000, PCC5_LPDDR4_ADDR);
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| 
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| 	/* Wait until ddrclk reg lock bit is cleared, so that the div update is finished */
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| 	cgc2_ddrclk_wait_unlock();
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| 
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| 	/* for debug */
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| 	/* setclkout_ddr(); */
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| }
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| 
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| int set_ddr_clk(u32 phy_freq_mhz)
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| {
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| 	debug("%s %u\n", __func__, phy_freq_mhz);
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| 
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| 	if (phy_freq_mhz == 48) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(2, 0); /* 24Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else if (phy_freq_mhz == 384) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(0, 0); /* 192Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else if (phy_freq_mhz == 528) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(4, 1); /* 264Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else if (phy_freq_mhz == 264) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(4, 3); /* 132Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else if (phy_freq_mhz == 192) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(0, 1); /* 96Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else if (phy_freq_mhz == 96) {
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| 		writel(0x90000000, PCC5_LPDDR4_ADDR); /* disable ddr pcc */
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| 		cgc2_ddrclk_config(0, 3); /* 48Mhz DDR clock */
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| 		writel(0xd0000000, PCC5_LPDDR4_ADDR); /* enable ddr pcc */
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| 	} else {
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| 		printf("ddr phy clk %uMhz is not supported\n", phy_freq_mhz);
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| 		return -EINVAL;
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| 	}
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| 
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| 	/* Wait until ddrclk reg lock bit is cleared, so that the div update is finished */
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| 	cgc2_ddrclk_wait_unlock();
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| 
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| 	return 0;
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| }
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| 
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| void clock_init_early(void)
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| {
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| 	cgc1_soscdiv_init();
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| 
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| 	init_clk_lpuart();
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| 
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| 	/* Enable upower mu1 clk */
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| 	pcc_clock_enable(3, UPOWER_PCC3_SLOT, true);
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| }
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| 
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| /* This will be invoked after pmic voltage setting */
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| void clock_init_late(void)
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| {
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| 
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| 	if (IS_ENABLED(CONFIG_IMX8ULP_LD_MODE))
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| 		cgc1_init_core_clk(MHZ(500));
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| 	else if (IS_ENABLED(CONFIG_IMX8ULP_ND_MODE))
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| 		cgc1_init_core_clk(MHZ(750));
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| 	else
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| 		cgc1_init_core_clk(MHZ(960));
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| 
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| 	/*
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| 	 * Audio use this frequency in kernel dts,
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| 	 * however nic use pll3 pfd0, we have to
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| 	 * make the freqency same as kernel to make nic
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| 	 * not being disabled
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| 	 */
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| 	cgc1_pll3_init(540672000);
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| 
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| 	pcc_clock_enable(4, SDHC0_PCC4_SLOT, false);
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| 	pcc_clock_sel(4, SDHC0_PCC4_SLOT, PLL3_PFD3_DIV1); /* 389M for OD, 194M for LD/ND*/
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| 	pcc_clock_enable(4, SDHC0_PCC4_SLOT, true);
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| 	pcc_reset_peripheral(4, SDHC0_PCC4_SLOT, false);
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| 
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| 	pcc_clock_enable(4, SDHC1_PCC4_SLOT, false);
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| 	pcc_clock_sel(4, SDHC1_PCC4_SLOT, PLL3_PFD3_DIV2); /* 194M for OD, 97M for LD/ND */
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| 	pcc_clock_enable(4, SDHC1_PCC4_SLOT, true);
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| 	pcc_reset_peripheral(4, SDHC1_PCC4_SLOT, false);
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| 
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| 	pcc_clock_enable(4, SDHC2_PCC4_SLOT, false);
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| 	pcc_clock_sel(4, SDHC2_PCC4_SLOT, PLL3_PFD3_DIV2); /* 194M for OD, 97M for LD/ND*/
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| 	pcc_clock_enable(4, SDHC2_PCC4_SLOT, true);
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| 	pcc_reset_peripheral(4, SDHC2_PCC4_SLOT, false);
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| 
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| 	/* enable MU0_MUB clock before access the register of MU0_MUB */
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| 	pcc_clock_enable(3, MU0_B_PCC3_SLOT, true);
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| 
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| 	/*
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| 	 * Enable clock division
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| 	 * TODO: may not needed after ROM ready.
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| 	 */
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| }
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| 
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| #if IS_ENABLED(CONFIG_SYS_I2C_IMX_LPI2C)
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| int enable_i2c_clk(unsigned char enable, u32 i2c_num)
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| {
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| 	/* Set parent to FIRC DIV2 clock */
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| 	const u32 lpi2c_pcc_clks[] = {
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| 		LPI2C4_PCC3_SLOT << 8 | 3,
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| 		LPI2C5_PCC3_SLOT << 8 | 3,
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| 		LPI2C6_PCC4_SLOT << 8 | 4,
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| 		LPI2C7_PCC4_SLOT << 8 | 4,
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| 	};
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| 
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| 	if (i2c_num == 0)
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| 		return 0;
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| 
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| 	if (i2c_num < 4 || i2c_num > 7)
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| 		return -EINVAL;
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| 
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| 	if (enable) {
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| 		pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 				 lpi2c_pcc_clks[i2c_num - 4] >> 8, false);
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| 		pcc_clock_sel(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 			      lpi2c_pcc_clks[i2c_num - 4] >> 8, SOSC_DIV2);
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| 		pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 				 lpi2c_pcc_clks[i2c_num - 4] >> 8, true);
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| 		pcc_reset_peripheral(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 				     lpi2c_pcc_clks[i2c_num - 4] >> 8, false);
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| 	} else {
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| 		pcc_clock_enable(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 				 lpi2c_pcc_clks[i2c_num - 4] >> 8, false);
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| 	}
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| 	return 0;
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| }
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| 
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| u32 imx_get_i2cclk(u32 i2c_num)
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| {
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| 	const u32 lpi2c_pcc_clks[] = {
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| 		LPI2C4_PCC3_SLOT << 8 | 3,
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| 		LPI2C5_PCC3_SLOT << 8 | 3,
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| 		LPI2C6_PCC4_SLOT << 8 | 4,
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| 		LPI2C7_PCC4_SLOT << 8 | 4,
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| 	};
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| 
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| 	if (i2c_num == 0)
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| 		return 24000000;
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| 
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| 	if (i2c_num < 4 || i2c_num > 7)
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| 		return 0;
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| 
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| 	return pcc_clock_get_rate(lpi2c_pcc_clks[i2c_num - 4] & 0xff,
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| 				  lpi2c_pcc_clks[i2c_num - 4] >> 8);
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| }
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| #endif
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| 
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| #if IS_ENABLED(CONFIG_SYS_I2C_IMX_I3C)
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| int enable_i3c_clk(unsigned char enable, u32 i3c_num)
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| {
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| 	if (enable) {
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| 		pcc_clock_enable(3, I3C2_PCC3_SLOT, false);
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| 		pcc_clock_sel(3, I3C2_PCC3_SLOT, SOSC_DIV2);
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| 		pcc_clock_enable(3, I3C2_PCC3_SLOT, true);
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| 		pcc_reset_peripheral(3, I3C2_PCC3_SLOT, false);
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| 	} else {
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| 		pcc_clock_enable(3, I3C2_PCC3_SLOT, false);
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| 	}
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| 	return 0;
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| }
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| 
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| u32 imx_get_i3cclk(u32 i3c_num)
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| {
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| 	return pcc_clock_get_rate(3, I3C2_PCC3_SLOT);
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| }
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| #endif
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| 
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| void enable_usboh3_clk(unsigned char enable)
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| {
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| 	if (enable) {
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| 		pcc_clock_enable(4, USB0_PCC4_SLOT, true);
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| 		pcc_clock_enable(4, USBPHY_PCC4_SLOT, true);
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| 		pcc_reset_peripheral(4, USB0_PCC4_SLOT, false);
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| 		pcc_reset_peripheral(4, USBPHY_PCC4_SLOT, false);
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| 
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| #ifdef CONFIG_USB_MAX_CONTROLLER_COUNT
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| 		if (CONFIG_USB_MAX_CONTROLLER_COUNT > 1) {
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| 			pcc_clock_enable(4, USB1_PCC4_SLOT, true);
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| 			pcc_clock_enable(4, USB1PHY_PCC4_SLOT, true);
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| 			pcc_reset_peripheral(4, USB1_PCC4_SLOT, false);
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| 			pcc_reset_peripheral(4, USB1PHY_PCC4_SLOT, false);
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| 		}
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| #endif
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| 
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| 		pcc_clock_enable(4, USB_XBAR_PCC4_SLOT, true);
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| 	} else {
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| 		pcc_clock_enable(4, USB0_PCC4_SLOT, false);
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| 		pcc_clock_enable(4, USB1_PCC4_SLOT, false);
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| 		pcc_clock_enable(4, USBPHY_PCC4_SLOT, false);
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| 		pcc_clock_enable(4, USB1PHY_PCC4_SLOT, false);
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| 		pcc_clock_enable(4, USB_XBAR_PCC4_SLOT, false);
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| 	}
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| }
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| 
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| int enable_usb_pll(ulong usb_phy_base)
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| {
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| 	u32 sosc_rate;
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| 	s32 timeout = 1000000;
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| 
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| 	struct usbphy_regs *usbphy =
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| 		(struct usbphy_regs *)usb_phy_base;
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| 
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| 	sosc_rate = cgc1_sosc_div(SOSC);
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| 	if (!sosc_rate)
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| 		return -EPERM;
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| 
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| 	if (!(readl(&usbphy->usb1_pll_480_ctrl) & PLL_USB_LOCK_MASK)) {
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| 		writel(0x1c00000, &usbphy->usb1_pll_480_ctrl_clr);
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| 
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| 		switch (sosc_rate) {
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| 		case 24000000:
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| 			writel(0xc00000, &usbphy->usb1_pll_480_ctrl_set);
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| 			break;
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| 
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| 		case 30000000:
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| 			writel(0x800000, &usbphy->usb1_pll_480_ctrl_set);
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| 			break;
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| 
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| 		case 19200000:
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| 			writel(0x1400000, &usbphy->usb1_pll_480_ctrl_set);
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| 			break;
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| 
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| 		default:
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| 			writel(0xc00000, &usbphy->usb1_pll_480_ctrl_set);
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| 			break;
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| 		}
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| 
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| 		/* Enable the regulator first */
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| 		writel(PLL_USB_REG_ENABLE_MASK,
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| 		       &usbphy->usb1_pll_480_ctrl_set);
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| 
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| 		/* Wait at least 15us */
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| 		udelay(15);
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| 
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| 		/* Enable the power */
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| 		writel(PLL_USB_PWR_MASK, &usbphy->usb1_pll_480_ctrl_set);
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| 
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| 		/* Wait lock */
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| 		while (timeout--) {
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| 			if (readl(&usbphy->usb1_pll_480_ctrl) &
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| 			    PLL_USB_LOCK_MASK)
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| 				break;
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| 		}
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| 
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| 		if (timeout <= 0) {
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| 			/* If timeout, we power down the pll */
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| 			writel(PLL_USB_PWR_MASK,
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| 			       &usbphy->usb1_pll_480_ctrl_clr);
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| 			return -ETIME;
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| 		}
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| 	}
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| 
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| 	/* Clear the bypass */
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| 	writel(PLL_USB_BYPASS_MASK, &usbphy->usb1_pll_480_ctrl_clr);
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| 
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| 	/* Enable the PLL clock out to USB */
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| 	writel((PLL_USB_EN_USB_CLKS_MASK | PLL_USB_ENABLE_MASK),
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| 	       &usbphy->usb1_pll_480_ctrl_set);
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| 
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| 	return 0;
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| }
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| 
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| void enable_mipi_dsi_clk(unsigned char enable)
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| {
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| 	if (enable) {
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| 		pcc_clock_enable(5, DSI_PCC5_SLOT, false);
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| 		pcc_reset_peripheral(5, DSI_PCC5_SLOT, true);
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| 		pcc_clock_sel(5, DSI_PCC5_SLOT, PLL4_PFD3_DIV2);
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| 		pcc_clock_div_config(5, DSI_PCC5_SLOT, 0, 6);
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| 		pcc_clock_enable(5, DSI_PCC5_SLOT, true);
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| 		pcc_reset_peripheral(5, DSI_PCC5_SLOT, false);
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| 	} else {
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| 		pcc_clock_enable(5, DSI_PCC5_SLOT, false);
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| 		pcc_reset_peripheral(5, DSI_PCC5_SLOT, true);
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| 	}
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| }
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| 
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| void enable_adc1_clk(bool enable)
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| {
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| 	if (enable) {
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| 		pcc_clock_enable(1, ADC1_PCC1_SLOT, false);
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| 		pcc_clock_sel(1, ADC1_PCC1_SLOT, CM33_BUSCLK);
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| 		pcc_clock_enable(1, ADC1_PCC1_SLOT, true);
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| 		pcc_reset_peripheral(1, ADC1_PCC1_SLOT, false);
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| 	} else {
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| 		pcc_clock_enable(1, ADC1_PCC1_SLOT, false);
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| 	}
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| }
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| 
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| void reset_lcdclk(void)
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| {
 | |
| 	/* Disable clock and reset dcnano*/
 | |
| 	pcc_clock_enable(5, DCNANO_PCC5_SLOT, false);
 | |
| 	pcc_reset_peripheral(5, DCNANO_PCC5_SLOT, true);
 | |
| }
 | |
| 
 | |
| /* PLL4 PFD0 max frequency */
 | |
| #define PLL4_PFD0_MAX_RATE 600000 /*khz*/
 | |
| void mxs_set_lcdclk(u32 base_addr, u32 freq_in_khz)
 | |
| {
 | |
| 	u8 pcd, best_pcd = 0;
 | |
| 	u32 frac, rate, parent_rate, pfd, div;
 | |
| 	u32 best_pfd = 0, best_frac = 0, best = 0, best_div = 0;
 | |
| 	u32 pll4_rate;
 | |
| 
 | |
| 	pcc_clock_enable(5, DCNANO_PCC5_SLOT, false);
 | |
| 
 | |
| 	pll4_rate = cgc_clk_get_rate(PLL4);
 | |
| 	pll4_rate = pll4_rate / 1000;  /* Change to khz*/
 | |
| 
 | |
| 	debug("PLL4 rate %ukhz\n", pll4_rate);
 | |
| 
 | |
| 	for (pfd = 12; pfd <= 35; pfd++) {
 | |
| 		for (div = 1; div <= 64; div++) {
 | |
| 			parent_rate = pll4_rate;
 | |
| 			parent_rate = parent_rate * 18 / pfd;
 | |
| 			if (parent_rate > PLL4_PFD0_MAX_RATE)
 | |
| 				continue;
 | |
| 
 | |
| 			parent_rate = parent_rate / div;
 | |
| 
 | |
| 			for (pcd = 0; pcd < 8; pcd++) {
 | |
| 				for (frac = 0; frac < 2; frac++) {
 | |
| 					if (pcd == 0 && frac == 1)
 | |
| 						continue;
 | |
| 
 | |
| 					rate = parent_rate * (frac + 1) / (pcd + 1);
 | |
| 					if (rate > freq_in_khz)
 | |
| 						continue;
 | |
| 
 | |
| 					if (best == 0 || rate > best) {
 | |
| 						best = rate;
 | |
| 						best_pfd = pfd;
 | |
| 						best_frac = frac;
 | |
| 						best_pcd = pcd;
 | |
| 						best_div = div;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (best == 0) {
 | |
| 		printf("Can't find parent clock for LCDIF, target freq: %u\n", freq_in_khz);
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	debug("LCD target rate %ukhz, best rate %ukhz, frac %u, pcd %u, best_pfd %u, best_div %u\n",
 | |
| 	      freq_in_khz, best, best_frac, best_pcd, best_pfd, best_div);
 | |
| 
 | |
| 	cgc2_pll4_pfd_config(PLL4_PFD0, best_pfd);
 | |
| 	cgc2_pll4_pfddiv_config(PLL4_PFD0_DIV1, best_div - 1);
 | |
| 
 | |
| 	pcc_clock_sel(5, DCNANO_PCC5_SLOT, PLL4_PFD0_DIV1);
 | |
| 	pcc_clock_div_config(5, DCNANO_PCC5_SLOT, best_frac, best_pcd + 1);
 | |
| 	pcc_clock_enable(5, DCNANO_PCC5_SLOT, true);
 | |
| 	pcc_reset_peripheral(5, DCNANO_PCC5_SLOT, false);
 | |
| }
 | |
| 
 | |
| u32 mxc_get_clock(enum mxc_clock clk)
 | |
| {
 | |
| 	switch (clk) {
 | |
| 	case MXC_ESDHC_CLK:
 | |
| 		return pcc_clock_get_rate(4, SDHC0_PCC4_SLOT);
 | |
| 	case MXC_ESDHC2_CLK:
 | |
| 		return pcc_clock_get_rate(4, SDHC1_PCC4_SLOT);
 | |
| 	case MXC_ESDHC3_CLK:
 | |
| 		return pcc_clock_get_rate(4, SDHC2_PCC4_SLOT);
 | |
| 	case MXC_ARM_CLK:
 | |
| 		return cgc_clk_get_rate(PLL2);
 | |
| 	default:
 | |
| 		return 0;
 | |
| 	}
 | |
| }
 | |
| 
 | |
| u32 get_lpuart_clk(void)
 | |
| {
 | |
| 	int index = 0;
 | |
| 
 | |
| 	const u32 lpuart_array[] = {
 | |
| 		LPUART4_RBASE,
 | |
| 		LPUART5_RBASE,
 | |
| 		LPUART6_RBASE,
 | |
| 		LPUART7_RBASE,
 | |
| 	};
 | |
| 
 | |
| 	const u32 lpuart_pcc_slots[] = {
 | |
| 		LPUART4_PCC3_SLOT,
 | |
| 		LPUART5_PCC3_SLOT,
 | |
| 		LPUART6_PCC4_SLOT,
 | |
| 		LPUART7_PCC4_SLOT,
 | |
| 	};
 | |
| 
 | |
| 	const u32 lpuart_pcc[] = {
 | |
| 		3, 3, 4, 4,
 | |
| 	};
 | |
| 
 | |
| 	for (index = 0; index < 4; index++) {
 | |
| 		if (lpuart_array[index] == LPUART_BASE)
 | |
| 			break;
 | |
| 	}
 | |
| 
 | |
| 	if (index > 3)
 | |
| 		return 0;
 | |
| 
 | |
| 	return pcc_clock_get_rate(lpuart_pcc[index], lpuart_pcc_slots[index]);
 | |
| }
 | |
| 
 | |
| #ifndef CONFIG_SPL_BUILD
 | |
| /*
 | |
|  * Dump some core clockes.
 | |
|  */
 | |
| int do_mx8ulp_showclocks(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
 | |
| {
 | |
| 	printf("SDHC0 %8d MHz\n", pcc_clock_get_rate(4, SDHC0_PCC4_SLOT) / 1000000);
 | |
| 	printf("SDHC1 %8d MHz\n", pcc_clock_get_rate(4, SDHC1_PCC4_SLOT) / 1000000);
 | |
| 	printf("SDHC2 %8d MHz\n", pcc_clock_get_rate(4, SDHC2_PCC4_SLOT) / 1000000);
 | |
| 
 | |
| 	printf("SOSC %8d MHz\n", cgc_clk_get_rate(SOSC) / 1000000);
 | |
| 	printf("FRO %8d MHz\n", cgc_clk_get_rate(FRO) / 1000000);
 | |
| 	printf("PLL2 %8d MHz\n", cgc_clk_get_rate(PLL2) / 1000000);
 | |
| 	printf("PLL3 %8d MHz\n", cgc_clk_get_rate(PLL3) / 1000000);
 | |
| 	printf("PLL3_VCODIV %8d MHz\n", cgc_clk_get_rate(PLL3_VCODIV) / 1000000);
 | |
| 	printf("PLL3_PFD0 %8d MHz\n", cgc_clk_get_rate(PLL3_PFD0) / 1000000);
 | |
| 	printf("PLL3_PFD1 %8d MHz\n", cgc_clk_get_rate(PLL3_PFD1) / 1000000);
 | |
| 	printf("PLL3_PFD2 %8d MHz\n", cgc_clk_get_rate(PLL3_PFD2) / 1000000);
 | |
| 	printf("PLL3_PFD3 %8d MHz\n", cgc_clk_get_rate(PLL3_PFD3) / 1000000);
 | |
| 
 | |
| 	printf("PLL4_PFD0 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD0) / 1000000);
 | |
| 	printf("PLL4_PFD1 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD1) / 1000000);
 | |
| 	printf("PLL4_PFD2 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD2) / 1000000);
 | |
| 	printf("PLL4_PFD3 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD3) / 1000000);
 | |
| 
 | |
| 	printf("PLL4_PFD0_DIV1 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD0_DIV1) / 1000000);
 | |
| 	printf("PLL4_PFD0_DIV2 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD0_DIV2) / 1000000);
 | |
| 	printf("PLL4_PFD1_DIV1 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD1_DIV1) / 1000000);
 | |
| 	printf("PLL4_PFD1_DIV2 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD1_DIV2) / 1000000);
 | |
| 
 | |
| 	printf("PLL4_PFD2_DIV1 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD2_DIV1) / 1000000);
 | |
| 	printf("PLL4_PFD2_DIV2 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD2_DIV2) / 1000000);
 | |
| 	printf("PLL4_PFD3_DIV1 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD3_DIV1) / 1000000);
 | |
| 	printf("PLL4_PFD3_DIV2 %8d MHz\n", cgc_clk_get_rate(PLL4_PFD3_DIV2) / 1000000);
 | |
| 
 | |
| 	printf("LPAV_AXICLK %8d MHz\n", cgc_clk_get_rate(LPAV_AXICLK) / 1000000);
 | |
| 	printf("LPAV_AHBCLK %8d MHz\n", cgc_clk_get_rate(LPAV_AHBCLK) / 1000000);
 | |
| 	printf("LPAV_BUSCLK %8d MHz\n", cgc_clk_get_rate(LPAV_BUSCLK) / 1000000);
 | |
| 	printf("NIC_APCLK %8d MHz\n", cgc_clk_get_rate(NIC_APCLK) / 1000000);
 | |
| 
 | |
| 	printf("NIC_PERCLK %8d MHz\n", cgc_clk_get_rate(NIC_PERCLK) / 1000000);
 | |
| 	printf("XBAR_APCLK %8d MHz\n", cgc_clk_get_rate(XBAR_APCLK) / 1000000);
 | |
| 	printf("XBAR_BUSCLK %8d MHz\n", cgc_clk_get_rate(XBAR_BUSCLK) / 1000000);
 | |
| 	printf("AD_SLOWCLK %8d MHz\n", cgc_clk_get_rate(AD_SLOWCLK) / 1000000);
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| U_BOOT_CMD(
 | |
| 	clocks,	CONFIG_SYS_MAXARGS, 1, do_mx8ulp_showclocks,
 | |
| 	"display clocks",
 | |
| 	""
 | |
| );
 | |
| #endif
 |