[U-Boot] [PATCH v2 1/5] rockchip: rk3328: add SPL board file support

[Matwey V. Kornilov]

From: Kever Yang <kever.yang at rock-chips.com>

rk3328 SPL is locate at dram, so do not have strict size limit,
suppose to enable storage media controller driver, load ATF and
U-Boot, then boot into ATF.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
[cherry picked from https://github.com/rockchip-linux/u-boot/commit/4ebe3968b683190cb8e5741aa7227b4fa7497874 with minor modifications]
Signed-off-by: Matwey V. Kornilov <matwey.kornilov at gmail.com>
---
 arch/arm/mach-rockchip/Makefile           |  1 +
 arch/arm/mach-rockchip/rk3328-board-spl.c | 59 +++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 arch/arm/mach-rockchip/rk3328-board-spl.c

diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile
index 846c82d70a..23760a959a 100644
--- a/arch/arm/mach-rockchip/Makefile
+++ b/arch/arm/mach-rockchip/Makefile
@@ -18,6 +18,7 @@ obj-spl-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3188) += rk3188-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK322X) += rk322x-board-spl.o spl-boot-order.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board-spl.o
+obj-spl-$(CONFIG_ROCKCHIP_RK3328) += rk3328-board-spl.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3368) += rk3368-board-spl.o spl-boot-order.o
 obj-spl-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board-spl.o spl-boot-order.o
 
diff --git a/arch/arm/mach-rockchip/rk3328-board-spl.c b/arch/arm/mach-rockchip/rk3328-board-spl.c
new file mode 100644
index 0000000000..7f49d056a0
--- /dev/null
+++ b/arch/arm/mach-rockchip/rk3328-board-spl.c
@@ -0,0 +1,59 @@
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <dm/pinctrl.h>
+#include <ram.h>
+#include <spl.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void board_debug_uart_init(void)
+{
+}
+
+void board_init_f(ulong dummy)
+{
+	struct udevice *dev;
+	int ret;
+
+	ret = spl_early_init();
+	if (ret) {
+		debug("spl_early_init() failed: %d\n", ret);
+		hang();
+	}
+
+	preloader_console_init();
+
+	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
+	if (ret) {
+		debug("DRAM init failed: %d\n", ret);
+		return;
+	}
+}
+
+u32 spl_boot_mode(const u32 boot_device)
+{
+	return MMCSD_MODE_RAW;
+}
+
+u32 spl_boot_device(void)
+{
+	return BOOT_DEVICE_MMC1;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	/* Just empty function now - can't decide what to choose */
+	debug("%s: %s\n", __func__, name);
+
+	return 0;
+}
+#endif
-- 
2.16.4