board: move all the rockchip board in one folder
[oweals/u-boot.git] / board / rockchip / kylin_rk3036 / kylin_rk3036.c
diff --git a/board/rockchip/kylin_rk3036/kylin_rk3036.c b/board/rockchip/kylin_rk3036/kylin_rk3036.c
new file mode 100644 (file)
index 0000000..2a25871
--- /dev/null
@@ -0,0 +1,81 @@
+/*
+ * (C) Copyright 2015 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <asm/io.h>
+#include <asm/arch/uart.h>
+#include <asm/arch-rockchip/grf_rk3036.h>
+#include <asm/arch/sdram_rk3036.h>
+#include <asm/gpio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GRF_BASE       0x20008000
+
+void get_ddr_config(struct rk3036_ddr_config *config)
+{
+       /* K4B4G1646Q config */
+       config->ddr_type = 3;
+       config->rank = 1;
+       config->cs0_row = 15;
+       config->cs1_row = 15;
+
+       /* 8bank */
+       config->bank = 3;
+       config->col = 10;
+
+       /* 16bit bw */
+       config->bw = 1;
+}
+
+#define FASTBOOT_KEY_GPIO 93
+
+int fastboot_key_pressed(void)
+{
+       gpio_request(FASTBOOT_KEY_GPIO, "fastboot_key");
+       gpio_direction_input(FASTBOOT_KEY_GPIO);
+       return !gpio_get_value(FASTBOOT_KEY_GPIO);
+}
+
+#define ROCKCHIP_BOOT_MODE_FASTBOOT    0x5242C309
+
+int board_late_init(void)
+{
+       struct rk3036_grf * const grf = (void *)GRF_BASE;
+       int boot_mode = readl(&grf->os_reg[4]);
+
+       /* Clear boot mode */
+       writel(0, &grf->os_reg[4]);
+
+       if (boot_mode == ROCKCHIP_BOOT_MODE_FASTBOOT ||
+           fastboot_key_pressed()) {
+               printf("enter fastboot!\n");
+               setenv("preboot", "setenv preboot; fastboot usb0");
+       }
+
+       return 0;
+}
+
+int board_init(void)
+{
+       return 0;
+}
+
+int dram_init(void)
+{
+       gd->ram_size = sdram_size();
+
+       return 0;
+}
+
+#ifndef CONFIG_SYS_DCACHE_OFF
+void enable_caches(void)
+{
+       /* Enable D-cache. I-cache is already enabled in start.S */
+       dcache_enable();
+}
+#endif