xref: /openbmc/u-boot/board/xilinx/zynqmp/zynqmp.c (revision 0a61ee88)
1 /*
2  * (C) Copyright 2014 - 2015 Xilinx, Inc.
3  * Michal Simek <michal.simek@xilinx.com>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <netdev.h>
10 #include <ahci.h>
11 #include <scsi.h>
12 #include <asm/arch/hardware.h>
13 #include <asm/arch/sys_proto.h>
14 #include <asm/io.h>
15 #include <usb.h>
16 #include <dwc3-uboot.h>
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 int board_init(void)
21 {
22 	printf("EL Level:\tEL%d\n", current_el());
23 
24 	return 0;
25 }
26 
27 int board_early_init_r(void)
28 {
29 	u32 val;
30 
31 	val = readl(&crlapb_base->timestamp_ref_ctrl);
32 	val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
33 	writel(val, &crlapb_base->timestamp_ref_ctrl);
34 
35 	/* Program freq register in System counter and enable system counter */
36 	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
37 	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
38 	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
39 	       &iou_scntr->counter_control_register);
40 
41 	return 0;
42 }
43 
44 int dram_init(void)
45 {
46 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
47 
48 	return 0;
49 }
50 
51 int timer_init(void)
52 {
53 	return 0;
54 }
55 
56 void reset_cpu(ulong addr)
57 {
58 }
59 
60 #ifdef CONFIG_SCSI_AHCI_PLAT
61 void scsi_init(void)
62 {
63 	ahci_init((void __iomem *)ZYNQMP_SATA_BASEADDR);
64 	scsi_scan(1);
65 }
66 #endif
67 
68 int board_late_init(void)
69 {
70 	u32 reg = 0;
71 	u8 bootmode;
72 
73 	reg = readl(&crlapb_base->boot_mode);
74 	bootmode = reg & BOOT_MODES_MASK;
75 
76 	switch (bootmode) {
77 	case SD_MODE:
78 	case EMMC_MODE:
79 		setenv("modeboot", "sdboot");
80 		break;
81 	default:
82 		printf("Invalid Boot Mode:0x%x\n", bootmode);
83 		break;
84 	}
85 
86 	return 0;
87 }
88 
89 int checkboard(void)
90 {
91 	puts("Board:\tXilinx ZynqMP\n");
92 	return 0;
93 }
94 
95 #ifdef CONFIG_USB_DWC3
96 static struct dwc3_device dwc3_device_data = {
97 	.maximum_speed = USB_SPEED_HIGH,
98 	.base = ZYNQMP_USB0_XHCI_BASEADDR,
99 	.dr_mode = USB_DR_MODE_PERIPHERAL,
100 	.index = 0,
101 };
102 
103 int usb_gadget_handle_interrupts(void)
104 {
105 	dwc3_uboot_handle_interrupt(0);
106 	return 0;
107 }
108 
109 int board_usb_init(int index, enum usb_init_type init)
110 {
111 	return dwc3_uboot_init(&dwc3_device_data);
112 }
113 
114 int board_usb_cleanup(int index, enum usb_init_type init)
115 {
116 	dwc3_uboot_exit(index);
117 	return 0;
118 }
119 #endif
120