xref: /openbmc/u-boot/board/xilinx/zynqmp/zynqmp.c (revision f91e65a7)
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/clk.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/sys_proto.h>
15 #include <asm/io.h>
16 #include <usb.h>
17 #include <dwc3-uboot.h>
18 
19 DECLARE_GLOBAL_DATA_PTR;
20 
21 int board_init(void)
22 {
23 	printf("EL Level:\tEL%d\n", current_el());
24 
25 	return 0;
26 }
27 
28 int board_early_init_r(void)
29 {
30 	u32 val;
31 
32 	if (current_el() == 3) {
33 		val = readl(&crlapb_base->timestamp_ref_ctrl);
34 		val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
35 		writel(val, &crlapb_base->timestamp_ref_ctrl);
36 
37 		/* Program freq register in System counter */
38 		writel(zynqmp_get_system_timer_freq(),
39 		       &iou_scntr_secure->base_frequency_id_register);
40 		/* And enable system counter */
41 		writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
42 		       &iou_scntr_secure->counter_control_register);
43 	}
44 	/* Program freq register in System counter and enable system counter */
45 	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
46 	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
47 	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
48 	       &iou_scntr->counter_control_register);
49 
50 	return 0;
51 }
52 
53 int dram_init(void)
54 {
55 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
56 
57 	return 0;
58 }
59 
60 void reset_cpu(ulong addr)
61 {
62 }
63 
64 #ifdef CONFIG_SCSI_AHCI_PLAT
65 void scsi_init(void)
66 {
67 	ahci_init((void __iomem *)ZYNQMP_SATA_BASEADDR);
68 	scsi_scan(1);
69 }
70 #endif
71 
72 int board_late_init(void)
73 {
74 	u32 reg = 0;
75 	u8 bootmode;
76 
77 	reg = readl(&crlapb_base->boot_mode);
78 	bootmode = reg & BOOT_MODES_MASK;
79 
80 	puts("Bootmode: ");
81 	switch (bootmode) {
82 	case JTAG_MODE:
83 		puts("JTAG_MODE\n");
84 		setenv("modeboot", "jtagboot");
85 		break;
86 	case QSPI_MODE_24BIT:
87 	case QSPI_MODE_32BIT:
88 		setenv("modeboot", "qspiboot");
89 		puts("QSPI_MODE\n");
90 		break;
91 	case EMMC_MODE:
92 		puts("EMMC_MODE\n");
93 		setenv("modeboot", "sdboot");
94 		break;
95 	case SD_MODE:
96 		puts("SD_MODE\n");
97 		setenv("modeboot", "sdboot");
98 		break;
99 	case SD_MODE1:
100 		puts("SD_MODE1\n");
101 #if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)
102 		setenv("sdbootdev", "1");
103 #endif
104 		setenv("modeboot", "sdboot");
105 		break;
106 	case NAND_MODE:
107 		puts("NAND_MODE\n");
108 		setenv("modeboot", "nandboot");
109 		break;
110 	default:
111 		printf("Invalid Boot Mode:0x%x\n", bootmode);
112 		break;
113 	}
114 
115 	return 0;
116 }
117 
118 int checkboard(void)
119 {
120 	puts("Board: Xilinx ZynqMP\n");
121 	return 0;
122 }
123 
124 #ifdef CONFIG_USB_DWC3
125 static struct dwc3_device dwc3_device_data = {
126 	.maximum_speed = USB_SPEED_HIGH,
127 	.base = ZYNQMP_USB0_XHCI_BASEADDR,
128 	.dr_mode = USB_DR_MODE_PERIPHERAL,
129 	.index = 0,
130 };
131 
132 int usb_gadget_handle_interrupts(void)
133 {
134 	dwc3_uboot_handle_interrupt(0);
135 	return 0;
136 }
137 
138 int board_usb_init(int index, enum usb_init_type init)
139 {
140 	return dwc3_uboot_init(&dwc3_device_data);
141 }
142 
143 int board_usb_cleanup(int index, enum usb_init_type init)
144 {
145 	dwc3_uboot_exit(index);
146 	return 0;
147 }
148 #endif
149