ARM: uniphier: refactor spl_init_board()

Merge init-*.c into a single file using a table of callbacks because
the initialization flow is almost common among SoCs.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

1 files changed, 209 insertions, 0 deletions

diff --git a/arch/arm/mach-uniphier/spl_board_init.c b/arch/arm/mach-uniphier/spl_board_init.c
new file mode 100644
index 0000000000..d1e1ea74bc
--- /dev/null
+++ b/arch/arm/mach-uniphier/spl_board_init.c
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2015-2016 Socionext Inc.
+ *   Author: Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <spl.h>
+
+#include "init.h"
+#include "micro-support-card.h"
+#include "soc-info.h"
+
+struct uniphier_spl_initdata {
+	enum uniphier_soc_id soc_id;
+	void (*bcu_init)(const struct uniphier_board_data *bd);
+	void (*early_clk_init)(void);
+	void (*sbc_init)(void);
+	int (*dpll_init)(const struct uniphier_board_data *bd);
+	int (*memconf_init)(const struct uniphier_board_data *bd);
+	void (*dram_clk_init)(void);
+	int (*umc_init)(const struct uniphier_board_data *bd);
+};
+
+static const struct uniphier_spl_initdata uniphier_spl_initdata[] = {
+#if defined(CONFIG_ARCH_UNIPHIER_SLD3)
+	{
+		.soc_id = SOC_UNIPHIER_SLD3,
+		.bcu_init = uniphier_sld3_bcu_init,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_sbc_init_admulti,
+		.dpll_init = uniphier_sld3_dpll_init,
+		.memconf_init = uniphier_memconf_3ch_no_disbit_init,
+		.dram_clk_init = uniphier_sld3_dram_clk_init,
+		.umc_init = uniphier_sld3_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD4)
+	{
+		.soc_id = SOC_UNIPHIER_LD4,
+		.bcu_init = uniphier_ld4_bcu_init,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_ld4_sbc_init,
+		.dpll_init = uniphier_ld4_dpll_init,
+		.memconf_init = uniphier_memconf_2ch_init,
+		.dram_clk_init = uniphier_sld3_dram_clk_init,
+		.umc_init = uniphier_ld4_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PRO4)
+	{
+		.soc_id = SOC_UNIPHIER_PRO4,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_sbc_init_savepin,
+		.dpll_init = uniphier_pro4_dpll_init,
+		.memconf_init = uniphier_memconf_2ch_init,
+		.dram_clk_init = uniphier_sld3_dram_clk_init,
+		.umc_init = uniphier_pro4_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_SLD8)
+	{
+		.soc_id = SOC_UNIPHIER_SLD8,
+		.bcu_init = uniphier_ld4_bcu_init,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_ld4_sbc_init,
+		.dpll_init = uniphier_sld8_dpll_init,
+		.memconf_init = uniphier_memconf_2ch_init,
+		.dram_clk_init = uniphier_sld3_dram_clk_init,
+		.umc_init = uniphier_sld8_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PRO5)
+	{
+		.soc_id = SOC_UNIPHIER_PRO5,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_sbc_init_savepin,
+		.dpll_init = uniphier_pro5_dpll_init,
+		.memconf_init = uniphier_memconf_2ch_init,
+		.dram_clk_init = uniphier_pro5_dram_clk_init,
+		.umc_init = uniphier_pro5_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_PXS2)
+	{
+		.soc_id = SOC_UNIPHIER_PXS2,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_pxs2_sbc_init,
+		.dpll_init = uniphier_pxs2_dpll_init,
+		.memconf_init = uniphier_memconf_3ch_init,
+		.dram_clk_init = uniphier_pxs2_dram_clk_init,
+		.umc_init = uniphier_pxs2_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD6B)
+	{
+		.soc_id = SOC_UNIPHIER_LD6B,
+		.early_clk_init = uniphier_sld3_early_clk_init,
+		.sbc_init = uniphier_pxs2_sbc_init,
+		.dpll_init = uniphier_pxs2_dpll_init,
+		.memconf_init = uniphier_memconf_3ch_init,
+		.dram_clk_init = uniphier_pxs2_dram_clk_init,
+		.umc_init = uniphier_pxs2_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD11)
+	{
+		.soc_id = SOC_UNIPHIER_LD11,
+		.early_clk_init = uniphier_ld11_early_clk_init,
+		.sbc_init = uniphier_ld11_sbc_init,
+		.dpll_init = uniphier_ld11_dpll_init,
+		.memconf_init = uniphier_memconf_2ch_init,
+		.dram_clk_init = uniphier_ld11_dram_clk_init,
+		.umc_init = uniphier_ld11_umc_init,
+	},
+#endif
+#if defined(CONFIG_ARCH_UNIPHIER_LD20)
+	{
+		.soc_id = SOC_UNIPHIER_LD20,
+		.early_clk_init = uniphier_ld11_early_clk_init,
+		.sbc_init = uniphier_ld11_sbc_init,
+		.dpll_init = uniphier_ld20_dpll_init,
+		.memconf_init = uniphier_memconf_3ch_init,
+		.dram_clk_init = uniphier_ld20_dram_clk_init,
+		.umc_init = uniphier_ld20_umc_init,
+	},
+#endif
+};
+
+static const struct uniphier_spl_initdata *uniphier_get_spl_initdata(
+						enum uniphier_soc_id soc_id)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(uniphier_spl_initdata); i++) {
+		if (uniphier_spl_initdata[i].soc_id == soc_id)
+			return &uniphier_spl_initdata[i];
+	}
+
+	return NULL;
+}
+
+void spl_board_init(void)
+{
+	const struct uniphier_board_data *bd;
+	const struct uniphier_spl_initdata *initdata;
+	enum uniphier_soc_id soc_id;
+	int ret;
+
+#ifdef CONFIG_DEBUG_UART
+	debug_uart_init();
+#endif
+
+	bd = uniphier_get_board_param();
+	if (!bd)
+		hang();
+
+	soc_id = uniphier_get_soc_type();
+	initdata = uniphier_get_spl_initdata(soc_id);
+	if (!initdata)
+		hang();
+
+	if (initdata->bcu_init)
+		initdata->bcu_init(bd);
+
+	initdata->sbc_init();
+
+	initdata->early_clk_init();
+
+	support_card_init();
+
+	led_puts("L0");
+
+#ifdef CONFIG_SPL_SERIAL_SUPPORT
+	preloader_console_init();
+#endif
+
+	led_puts("L1");
+
+	ret = initdata->dpll_init(bd);
+	if (ret) {
+		pr_err("failed to init DPLL\n");
+		hang();
+	}
+
+	led_puts("L2");
+
+	ret = initdata->memconf_init(bd);
+	if (ret) {
+		pr_err("failed to init MEMCONF\n");
+		hang();
+	}
+
+	led_puts("L3");
+
+	initdata->dram_clk_init();
+
+	led_puts("L4");
+
+	ret = initdata->umc_init(bd);
+	if (ret) {
+		pr_err("failed to init DRAM\n");
+		hang();
+	}
+
+	led_puts("L5");
+}