2 * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/clock.h>
13 #include <asm/arch/periph.h>
14 #include <asm/arch/grf_rk322x.h>
15 #include <asm/arch/boot_mode.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 __weak int rk_board_late_init(void)
24 int board_late_init(void)
28 return rk_board_late_init();
33 #include <asm/arch/grf_rk322x.h>
34 /* Enable early UART2 channel 1 on the RK322x */
35 #define GRF_BASE 0x11000000
36 struct rk322x_grf * const grf = (void *)GRF_BASE;
38 rk_clrsetreg(&grf->gpio1b_iomux,
39 GPIO1B1_MASK | GPIO1B2_MASK,
40 GPIO1B2_UART21_SIN << GPIO1B2_SHIFT |
41 GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT);
42 /* Set channel C as UART2 input */
43 rk_clrsetreg(&grf->con_iomux,
44 CON_IOMUX_UART2SEL_MASK,
45 CON_IOMUX_UART2SEL_21 << CON_IOMUX_UART2SEL_SHIFT);
48 * The integrated macphy is enabled by default, disable it
49 * for saving power consuming.
51 rk_clrsetreg(&grf->macphy_con[0],
52 MACPHY_CFG_ENABLE_MASK,
53 0 << MACPHY_CFG_ENABLE_SHIFT);
58 int dram_init_banksize(void)
60 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
61 gd->bd->bi_dram[0].size = 0x8400000;
62 /* Reserve 0x200000 for OPTEE */
63 gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE
64 + gd->bd->bi_dram[0].size + 0x200000;
65 gd->bd->bi_dram[1].size = gd->bd->bi_dram[0].start
66 + gd->ram_size - gd->bd->bi_dram[1].start;
71 #ifndef CONFIG_SYS_DCACHE_OFF
72 void enable_caches(void)
74 /* Enable D-cache. I-cache is already enabled in start.S */
79 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
81 #include <usb/dwc2_udc.h>
83 static struct dwc2_plat_otg_data rk322x_otg_data = {
89 int board_usb_init(int index, enum usb_init_type init)
94 const void *blob = gd->fdt_blob;
96 /* find the usb_otg node */
97 node = fdt_node_offset_by_compatible(blob, -1,
98 "rockchip,rk3288-usb");
101 mode = fdt_getprop(blob, node, "dr_mode", NULL);
102 if (mode && strcmp(mode, "otg") == 0) {
107 node = fdt_node_offset_by_compatible(blob, node,
108 "rockchip,rk3288-usb");
111 debug("Not found usb_otg device\n");
114 rk322x_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
116 return dwc2_udc_probe(&rk322x_otg_data);
119 int board_usb_cleanup(int index, enum usb_init_type init)
125 #if defined(CONFIG_USB_FUNCTION_FASTBOOT)
126 int fb_set_reboot_flag(void)
128 struct rk322x_grf *grf;
130 printf("Setting reboot to fastboot flag ...\n");
131 grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
132 /* Set boot mode to fastboot */
133 writel(BOOT_FASTBOOT, &grf->os_reg[0]);