GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// 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"
+
+#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,
+		.clk_init = uniphier_ld4_clk_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
+	{
+		.soc_id = UNIPHIER_PRO4_ID,
+		.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,
+		.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,
+		.sbc_init = uniphier_sbc_init_savepin,
+		.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_ld11_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_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,
+		.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;
+	}
+
+	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("U3");
+
+	support_card_late_init();
+
+	led_puts("Uboo");
+
+	return 0;
+}