xref: /openbmc/u-boot/board/xilinx/zynqmp/zynqmp.c (revision 84c7204bd18a0051a353c7a6f65a5666e1af9501)
1*84c7204bSMichal Simek /*
2*84c7204bSMichal Simek  * (C) Copyright 2014 - 2015 Xilinx, Inc.
3*84c7204bSMichal Simek  * Michal Simek <michal.simek@xilinx.com>
4*84c7204bSMichal Simek  *
5*84c7204bSMichal Simek  * SPDX-License-Identifier:	GPL-2.0+
6*84c7204bSMichal Simek  */
7*84c7204bSMichal Simek 
8*84c7204bSMichal Simek #include <common.h>
9*84c7204bSMichal Simek #include <netdev.h>
10*84c7204bSMichal Simek #include <asm/arch/hardware.h>
11*84c7204bSMichal Simek #include <asm/arch/sys_proto.h>
12*84c7204bSMichal Simek #include <asm/io.h>
13*84c7204bSMichal Simek 
14*84c7204bSMichal Simek DECLARE_GLOBAL_DATA_PTR;
15*84c7204bSMichal Simek 
16*84c7204bSMichal Simek int board_init(void)
17*84c7204bSMichal Simek {
18*84c7204bSMichal Simek 	return 0;
19*84c7204bSMichal Simek }
20*84c7204bSMichal Simek 
21*84c7204bSMichal Simek int board_early_init_r(void)
22*84c7204bSMichal Simek {
23*84c7204bSMichal Simek 	u32 val;
24*84c7204bSMichal Simek 
25*84c7204bSMichal Simek 	val = readl(&crlapb_base->timestamp_ref_ctrl);
26*84c7204bSMichal Simek 	val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
27*84c7204bSMichal Simek 	writel(val, &crlapb_base->timestamp_ref_ctrl);
28*84c7204bSMichal Simek 
29*84c7204bSMichal Simek 	/* Program freq register in System counter and enable system counter */
30*84c7204bSMichal Simek 	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
31*84c7204bSMichal Simek 	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
32*84c7204bSMichal Simek 	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
33*84c7204bSMichal Simek 	       &iou_scntr->counter_control_register);
34*84c7204bSMichal Simek 
35*84c7204bSMichal Simek 	return 0;
36*84c7204bSMichal Simek }
37*84c7204bSMichal Simek 
38*84c7204bSMichal Simek int dram_init(void)
39*84c7204bSMichal Simek {
40*84c7204bSMichal Simek 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
41*84c7204bSMichal Simek 
42*84c7204bSMichal Simek 	return 0;
43*84c7204bSMichal Simek }
44*84c7204bSMichal Simek 
45*84c7204bSMichal Simek int timer_init(void)
46*84c7204bSMichal Simek {
47*84c7204bSMichal Simek 	return 0;
48*84c7204bSMichal Simek }
49*84c7204bSMichal Simek 
50*84c7204bSMichal Simek void reset_cpu(ulong addr)
51*84c7204bSMichal Simek {
52*84c7204bSMichal Simek }
53*84c7204bSMichal Simek 
54*84c7204bSMichal Simek #ifdef CONFIG_CMD_MMC
55*84c7204bSMichal Simek int board_mmc_init(bd_t *bd)
56*84c7204bSMichal Simek {
57*84c7204bSMichal Simek 	int ret = 0;
58*84c7204bSMichal Simek 
59*84c7204bSMichal Simek #if defined(CONFIG_ZYNQ_SDHCI)
60*84c7204bSMichal Simek # if defined(CONFIG_ZYNQ_SDHCI0)
61*84c7204bSMichal Simek 	ret = zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR0);
62*84c7204bSMichal Simek # endif
63*84c7204bSMichal Simek # if defined(CONFIG_ZYNQ_SDHCI1)
64*84c7204bSMichal Simek 	ret |= zynq_sdhci_init(ZYNQ_SDHCI_BASEADDR1);
65*84c7204bSMichal Simek # endif
66*84c7204bSMichal Simek #endif
67*84c7204bSMichal Simek 
68*84c7204bSMichal Simek 	return ret;
69*84c7204bSMichal Simek }
70*84c7204bSMichal Simek #endif
71*84c7204bSMichal Simek 
72*84c7204bSMichal Simek int board_late_init(void)
73*84c7204bSMichal Simek {
74*84c7204bSMichal Simek 	u32 reg = 0;
75*84c7204bSMichal Simek 	u8 bootmode;
76*84c7204bSMichal Simek 
77*84c7204bSMichal Simek 	reg = readl(&crlapb_base->boot_mode);
78*84c7204bSMichal Simek 	bootmode = reg & BOOT_MODES_MASK;
79*84c7204bSMichal Simek 
80*84c7204bSMichal Simek 	switch (bootmode) {
81*84c7204bSMichal Simek 	case SD_MODE:
82*84c7204bSMichal Simek 		setenv("modeboot", "sdboot");
83*84c7204bSMichal Simek 		break;
84*84c7204bSMichal Simek 	default:
85*84c7204bSMichal Simek 		printf("Invalid Boot Mode:0x%x\n", bootmode);
86*84c7204bSMichal Simek 		break;
87*84c7204bSMichal Simek 	}
88*84c7204bSMichal Simek 
89*84c7204bSMichal Simek 	return 0;
90*84c7204bSMichal Simek }
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