1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright 2013 Broadcom Corporation.
4 */
5
6 #include <common.h>
7 #include <asm/io.h>
8 #include <asm/mach-types.h>
9 #include <mmc.h>
10 #include <asm/kona-common/kona_sdhci.h>
11 #include <asm/kona-common/clk.h>
12 #include <asm/arch/sysmap.h>
13
14 #include <usb.h>
15 #include <usb/dwc2_udc.h>
16 #include <g_dnl.h>
17
18 #define SECWATCHDOG_SDOGCR_OFFSET 0x00000000
19 #define SECWATCHDOG_SDOGCR_EN_SHIFT 27
20 #define SECWATCHDOG_SDOGCR_SRSTEN_SHIFT 26
21 #define SECWATCHDOG_SDOGCR_CLKS_SHIFT 20
22 #define SECWATCHDOG_SDOGCR_LD_SHIFT 0
23
24 #ifndef CONFIG_USB_SERIALNO
25 #define CONFIG_USB_SERIALNO "1234567890"
26 #endif
27
28 DECLARE_GLOBAL_DATA_PTR;
29
30 /*
31 * board_init - early hardware init
32 */
board_init(void)33 int board_init(void)
34 {
35 printf("Relocation Offset is: %08lx\n", gd->reloc_off);
36
37 /* adress of boot parameters */
38 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
39
40 clk_init();
41
42 return 0;
43 }
44
45 /*
46 * misc_init_r - miscellaneous platform dependent initializations
47 */
misc_init_r(void)48 int misc_init_r(void)
49 {
50 /* Disable watchdog reset - watchdog unused */
51 writel((0 << SECWATCHDOG_SDOGCR_EN_SHIFT) |
52 (0 << SECWATCHDOG_SDOGCR_SRSTEN_SHIFT) |
53 (4 << SECWATCHDOG_SDOGCR_CLKS_SHIFT) |
54 (0x5a0 << SECWATCHDOG_SDOGCR_LD_SHIFT),
55 (SECWD_BASE_ADDR + SECWATCHDOG_SDOGCR_OFFSET));
56
57 return 0;
58 }
59
60 /*
61 * dram_init - sets uboots idea of sdram size
62 */
dram_init(void)63 int dram_init(void)
64 {
65 gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
66 CONFIG_SYS_SDRAM_SIZE);
67 return 0;
68 }
69
70 /* This is called after dram_init() so use get_ram_size result */
dram_init_banksize(void)71 int dram_init_banksize(void)
72 {
73 gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
74 gd->bd->bi_dram[0].size = gd->ram_size;
75
76 return 0;
77 }
78
79 #ifdef CONFIG_MMC_SDHCI_KONA
80 /*
81 * mmc_init - Initializes mmc
82 */
board_mmc_init(bd_t * bis)83 int board_mmc_init(bd_t *bis)
84 {
85 int ret = 0;
86
87 /* Register eMMC - SDIO2 */
88 ret = kona_sdhci_init(1, 400000, 0);
89 if (ret)
90 return ret;
91
92 /* Register SD Card - SDIO4 kona_mmc_init assumes 0 based index */
93 ret = kona_sdhci_init(3, 400000, 0);
94 return ret;
95 }
96 #endif
97
98 #ifdef CONFIG_USB_GADGET
99 static struct dwc2_plat_otg_data bcm_otg_data = {
100 .regs_otg = HSOTG_BASE_ADDR
101 };
102
board_usb_init(int index,enum usb_init_type init)103 int board_usb_init(int index, enum usb_init_type init)
104 {
105 debug("%s: performing dwc2_udc_probe\n", __func__);
106 return dwc2_udc_probe(&bcm_otg_data);
107 }
108
g_dnl_bind_fixup(struct usb_device_descriptor * dev,const char * name)109 int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
110 {
111 debug("%s\n", __func__);
112 if (!env_get("serial#"))
113 g_dnl_set_serialnumber(CONFIG_USB_SERIALNO);
114 return 0;
115 }
116
g_dnl_get_board_bcd_device_number(int gcnum)117 int g_dnl_get_board_bcd_device_number(int gcnum)
118 {
119 debug("%s\n", __func__);
120 return 1;
121 }
122
board_usb_cleanup(int index,enum usb_init_type init)123 int board_usb_cleanup(int index, enum usb_init_type init)
124 {
125 debug("%s\n", __func__);
126 return 0;
127 }
128 #endif
129