mirror of
				https://github.com/smaeul/u-boot.git
				synced 2025-11-03 21:48:15 +00:00 
			
		
		
		
	Now that commit 3e57f879eee6 ("mtd: nand: raw: denali: Assert reset
before deassert") added the reset assertion, this code in the board
file is unneeded.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
		
	
			
		
			
				
	
	
		
			170 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			170 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
 | 
						|
/*
 | 
						|
 * Copyright (C) 2012-2015 Panasonic Corporation
 | 
						|
 * Copyright (C) 2015-2016 Socionext Inc.
 | 
						|
 *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
 | 
						|
 */
 | 
						|
 | 
						|
#include <linux/errno.h>
 | 
						|
#include <linux/io.h>
 | 
						|
#include <linux/printk.h>
 | 
						|
 | 
						|
#include "init.h"
 | 
						|
#include "micro-support-card.h"
 | 
						|
#include "soc-info.h"
 | 
						|
 | 
						|
#define PC0CTRL				0x598000c0
 | 
						|
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_LD4) || defined(CONFIG_ARCH_UNIPHIER_SLD8)
 | 
						|
static void uniphier_ld4_sbc_init(void)
 | 
						|
{
 | 
						|
	u32 tmp;
 | 
						|
 | 
						|
	/* system bus output enable */
 | 
						|
	tmp = readl(PC0CTRL);
 | 
						|
	tmp &= 0xfffffcff;
 | 
						|
	writel(tmp, PC0CTRL);
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_PXS2) || \
 | 
						|
    defined(CONFIG_ARCH_UNIPHIER_LD6B) || \
 | 
						|
    defined(CONFIG_ARCH_UNIPHIER_LD11) || \
 | 
						|
    defined(CONFIG_ARCH_UNIPHIER_LD20) || \
 | 
						|
    defined(CONFIG_ARCH_UNIPHIER_PXS3)
 | 
						|
static void uniphier_pxs2_sbc_init(void)
 | 
						|
{
 | 
						|
	/* necessary for ROM boot ?? */
 | 
						|
	/* system bus output enable */
 | 
						|
	writel(0x17, PC0CTRL);
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef CONFIG_ARCH_UNIPHIER_LD20
 | 
						|
static void uniphier_ld20_misc_init(void)
 | 
						|
{
 | 
						|
	/* ES1 errata: increase VDD09 supply to suppress VBO noise */
 | 
						|
	if (uniphier_get_soc_revision() == 1) {
 | 
						|
		writel(0x00000003, 0x6184e004);
 | 
						|
		writel(0x00000100, 0x6184e040);
 | 
						|
		writel(0x0000b500, 0x6184e024);
 | 
						|
		writel(0x00000001, 0x6184e000);
 | 
						|
	}
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
struct uniphier_initdata {
 | 
						|
	unsigned int soc_id;
 | 
						|
	void (*sbc_init)(void);
 | 
						|
	void (*pll_init)(void);
 | 
						|
	void (*clk_init)(void);
 | 
						|
	void (*misc_init)(void);
 | 
						|
};
 | 
						|
 | 
						|
static const struct uniphier_initdata uniphier_initdata[] = {
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_LD4)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_LD4_ID,
 | 
						|
		.sbc_init = uniphier_ld4_sbc_init,
 | 
						|
		.pll_init = uniphier_ld4_pll_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_PRO4_ID,
 | 
						|
		.pll_init = uniphier_pro4_pll_init,
 | 
						|
		.clk_init = uniphier_pro4_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_SLD8_ID,
 | 
						|
		.sbc_init = uniphier_ld4_sbc_init,
 | 
						|
		.pll_init = uniphier_ld4_pll_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_PRO5_ID,
 | 
						|
		.clk_init = uniphier_pro5_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_PXS2_ID,
 | 
						|
		.sbc_init = uniphier_pxs2_sbc_init,
 | 
						|
		.clk_init = uniphier_pxs2_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_LD6B_ID,
 | 
						|
		.sbc_init = uniphier_pxs2_sbc_init,
 | 
						|
		.clk_init = uniphier_pxs2_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_LD11)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_LD11_ID,
 | 
						|
		.sbc_init = uniphier_pxs2_sbc_init,
 | 
						|
		.pll_init = uniphier_ld11_pll_init,
 | 
						|
		.clk_init = uniphier_ld11_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_LD20)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_LD20_ID,
 | 
						|
		.sbc_init = uniphier_pxs2_sbc_init,
 | 
						|
		.pll_init = uniphier_ld20_pll_init,
 | 
						|
		.clk_init = uniphier_ld20_clk_init,
 | 
						|
		.misc_init = uniphier_ld20_misc_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
#if defined(CONFIG_ARCH_UNIPHIER_PXS3)
 | 
						|
	{
 | 
						|
		.soc_id = UNIPHIER_PXS3_ID,
 | 
						|
		.sbc_init = uniphier_pxs2_sbc_init,
 | 
						|
		.pll_init = uniphier_pxs3_pll_init,
 | 
						|
		.clk_init = uniphier_pxs3_clk_init,
 | 
						|
	},
 | 
						|
#endif
 | 
						|
};
 | 
						|
UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_initdata, uniphier_initdata)
 | 
						|
 | 
						|
int board_init(void)
 | 
						|
{
 | 
						|
	const struct uniphier_initdata *initdata;
 | 
						|
 | 
						|
	led_puts("U0");
 | 
						|
 | 
						|
	initdata = uniphier_get_initdata();
 | 
						|
	if (!initdata) {
 | 
						|
		pr_err("unsupported SoC\n");
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
 | 
						|
	if (initdata->sbc_init)
 | 
						|
		initdata->sbc_init();
 | 
						|
 | 
						|
	support_card_init();
 | 
						|
 | 
						|
	led_puts("U0");
 | 
						|
 | 
						|
	if (initdata->pll_init)
 | 
						|
		initdata->pll_init();
 | 
						|
 | 
						|
	led_puts("U1");
 | 
						|
 | 
						|
	if (initdata->clk_init)
 | 
						|
		initdata->clk_init();
 | 
						|
 | 
						|
	led_puts("U2");
 | 
						|
 | 
						|
	if (initdata->misc_init)
 | 
						|
		initdata->misc_init();
 | 
						|
 | 
						|
	led_puts("Uboo");
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 |