+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <ram.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/periph.h>
+#include <asm/arch/grf_rk322x.h>
+#include <asm/arch/boot_mode.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define GRF_BASE 0x11000000
+
+static void setup_boot_mode(void)
+{
+ struct rk322x_grf *const grf = (void *)GRF_BASE;
+ int boot_mode = readl(&grf->os_reg[4]);
+
+ debug("boot mode %x.\n", boot_mode);
+
+ /* Clear boot mode */
+ writel(BOOT_NORMAL, &grf->os_reg[4]);
+
+ switch (boot_mode) {
+ case BOOT_FASTBOOT:
+ printf("enter fastboot!\n");
+ setenv("preboot", "setenv preboot; fastboot usb0");
+ break;
+ case BOOT_UMS:
+ printf("enter UMS!\n");
+ setenv("preboot", "setenv preboot; ums mmc 0");
+ break;
+ }
+}
+
+__weak int rk_board_late_init(void)
+{
+ return 0;
+}
+
+int board_late_init(void)
+{
+ setup_boot_mode();
+
+ return rk_board_late_init();
+}
+
+int board_init(void)
+{
+#include <asm/arch/grf_rk322x.h>
+ /* Enable early UART2 channel 1 on the RK322x */
+#define GRF_BASE 0x11000000
+ struct rk322x_grf * const grf = (void *)GRF_BASE;
+
+ rk_clrsetreg(&grf->gpio1b_iomux,
+ GPIO1B1_MASK | GPIO1B2_MASK,
+ GPIO1B2_UART21_SIN << GPIO1B2_SHIFT |
+ GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT);
+ /* Set channel C as UART2 input */
+ rk_clrsetreg(&grf->con_iomux,
+ CON_IOMUX_UART2SEL_MASK,
+ CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT);
+
+ return 0;
+}
+
+int dram_init_banksize(void)
+{
+ /* Reserve 0x200000 for OPTEE */
+ gd->bd->bi_dram[0].start = 0x60000000;
+ gd->bd->bi_dram[0].size = 0x8400000;
+ gd->bd->bi_dram[1].start = 0x6a400000;
+ gd->bd->bi_dram[1].size = gd->ram_size - gd->bd->bi_dram[1].start;
+
+ 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
+
+#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
+#include <usb.h>
+#include <usb/dwc2_udc.h>
+
+static struct dwc2_plat_otg_data rk322x_otg_data = {
+ .rx_fifo_sz = 512,
+ .np_tx_fifo_sz = 16,
+ .tx_fifo_sz = 128,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ int node;
+ const char *mode;
+ bool matched = false;
+ const void *blob = gd->fdt_blob;
+
+ /* find the usb_otg node */
+ node = fdt_node_offset_by_compatible(blob, -1,
+ "rockchip,rk3288-usb");
+
+ while (node > 0) {
+ mode = fdt_getprop(blob, node, "dr_mode", NULL);
+ if (mode && strcmp(mode, "otg") == 0) {
+ matched = true;
+ break;
+ }
+
+ node = fdt_node_offset_by_compatible(blob, node,
+ "rockchip,rk3288-usb");
+ }
+ if (!matched) {
+ debug("Not found usb_otg device\n");
+ return -ENODEV;
+ }
+ rk322x_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
+
+ return dwc2_udc_probe(&rk322x_otg_data);
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+ return 0;
+}
+#endif
projects / u-boot / commitdiff