board_init.c
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/*
* Copyright (C) 2012-2015 Panasonic Corporation
* Copyright (C) 2015-2016 Socionext Inc.
* Author: Masahiro Yamada <yamada.masahiro@socionext.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <linux/io.h>
#include "init.h"
#include "micro-support-card.h"
#include "sg-regs.h"
#include "soc-info.h"
DECLARE_GLOBAL_DATA_PTR;
static void uniphier_setup_xirq(void)
{
const void *fdt = gd->fdt_blob;
int soc_node, aidet_node;
const fdt32_t *val;
unsigned long aidet_base;
u32 tmp;
soc_node = fdt_path_offset(fdt, "/soc");
if (soc_node < 0)
return;
aidet_node = fdt_subnode_offset_namelen(fdt, soc_node, "aidet", 5);
if (aidet_node < 0)
return;
val = fdt_getprop(fdt, aidet_node, "reg", NULL);
if (!val)
return;
aidet_base = fdt32_to_cpu(*val);
tmp = readl(aidet_base + 8); /* AIDET DETCONFR2 */
tmp |= 0x00ff0000; /* Set XIRQ0-7 low active */
writel(tmp, aidet_base + 8);
tmp = readl(0x55000090); /* IRQCTL */
tmp |= 0x000000ff;
writel(tmp, 0x55000090);
}
#ifdef CONFIG_ARCH_UNIPHIER_LD11
static void uniphier_ld11_misc_init(void)
{
sg_set_pinsel(149, 14, 8, 4); /* XIRQ0 -> XIRQ0 */
sg_set_iectrl(149);
sg_set_pinsel(153, 14, 8, 4); /* XIRQ4 -> XIRQ4 */
sg_set_iectrl(153);
}
#endif
#ifdef CONFIG_ARCH_UNIPHIER_LD20
static void uniphier_ld20_misc_init(void)
{
sg_set_pinsel(149, 14, 8, 4); /* XIRQ0 -> XIRQ0 */
sg_set_iectrl(149);
sg_set_pinsel(153, 14, 8, 4); /* XIRQ4 -> XIRQ4 */
sg_set_iectrl(153);
/* 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;
bool nand_2cs;
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,
.nand_2cs = true,
.sbc_init = uniphier_ld4_sbc_init,
.pll_init = uniphier_ld4_pll_init,
.clk_init = uniphier_ld4_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
{
.soc_id = UNIPHIER_PRO4_ID,
.nand_2cs = false,
.sbc_init = uniphier_sbc_init_savepin,
.pll_init = uniphier_pro4_pll_init,
.clk_init = uniphier_pro4_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
{
.soc_id = UNIPHIER_SLD8_ID,
.nand_2cs = true,
.sbc_init = uniphier_ld4_sbc_init,
.pll_init = uniphier_ld4_pll_init,
.clk_init = uniphier_ld4_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
{
.soc_id = UNIPHIER_PRO5_ID,
.nand_2cs = true,
.sbc_init = uniphier_sbc_init_savepin,
.clk_init = uniphier_pro5_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
{
.soc_id = UNIPHIER_PXS2_ID,
.nand_2cs = true,
.sbc_init = uniphier_pxs2_sbc_init,
.clk_init = uniphier_pxs2_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
{
.soc_id = UNIPHIER_LD6B_ID,
.nand_2cs = true,
.sbc_init = uniphier_pxs2_sbc_init,
.clk_init = uniphier_pxs2_clk_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD11)
{
.soc_id = UNIPHIER_LD11_ID,
.nand_2cs = false,
.sbc_init = uniphier_ld11_sbc_init,
.pll_init = uniphier_ld11_pll_init,
.clk_init = uniphier_ld11_clk_init,
.misc_init = uniphier_ld11_misc_init,
},
#endif
#if defined(CONFIG_ARCH_UNIPHIER_LD20)
{
.soc_id = UNIPHIER_LD20_ID,
.nand_2cs = false,
.sbc_init = uniphier_ld11_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,
.nand_2cs = false,
.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;
int ret;
led_puts("U0");
initdata = uniphier_get_initdata();
if (!initdata) {
pr_err("unsupported SoC\n");
return -EINVAL;
}
initdata->sbc_init();
support_card_init();
led_puts("U0");
if (IS_ENABLED(CONFIG_NAND_DENALI)) {
ret = uniphier_pin_init(initdata->nand_2cs ?
"nand2cs_grp" : "nand_grp");
if (ret)
pr_err("failed to init NAND pins\n");
}
led_puts("U1");
if (initdata->pll_init)
initdata->pll_init();
led_puts("U2");
if (initdata->clk_init)
initdata->clk_init();
led_puts("U3");
if (initdata->misc_init)
initdata->misc_init();
led_puts("U4");
uniphier_setup_xirq();
led_puts("U5");
support_card_late_init();
led_puts("Uboo");
return 0;
}