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[J-u-boot.git] / board / mscc / luton / luton.c
1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3  * Copyright (c) 2018 Microsemi Corporation
4  */
5
6 #include <common.h>
7 #include <image.h>
8 #include <init.h>
9 #include <asm/global_data.h>
10 #include <asm/io.h>
11 #include <led.h>
12 #include <miiphy.h>
13
14 enum {
15         BOARD_TYPE_PCB090 = 0xAABBCD00,
16         BOARD_TYPE_PCB091,
17 };
18
19 void board_debug_uart_init(void)
20 {
21         /* too early for the pinctrl driver, so configure the UART pins here */
22         mscc_gpio_set_alternate(30, 1);
23         mscc_gpio_set_alternate(31, 1);
24 }
25
26 int board_early_init_r(void)
27 {
28         /* Prepare SPI controller to be used in master mode */
29         writel(0, BASE_CFG + ICPU_SW_MODE);
30
31         /* Address of boot parameters */
32         gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE;
33
34         return 0;
35 }
36
37 int board_phy_config(struct phy_device *phydev)
38 {
39         phy_write(phydev, 0, 31, 0x10);
40         phy_write(phydev, 0, 18, 0x80A0);
41         while (phy_read(phydev, 0, 18) & 0x8000)
42                 ;
43         phy_write(phydev, 0, 31, 0);
44         return 0;
45 }
46
47 static void do_board_detect(void)
48 {
49         u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
50
51         if (chipid == 0x7428 || chipid == 0x7424)
52                 gd->board_type = BOARD_TYPE_PCB091;    // Lu10
53         else
54                 gd->board_type = BOARD_TYPE_PCB090;    // Lu26
55 }
56
57 #if defined(CONFIG_MULTI_DTB_FIT)
58 int board_fit_config_name_match(const char *name)
59 {
60         if (gd->board_type == BOARD_TYPE_PCB090 &&
61             strcmp(name, "luton_pcb090") == 0)
62                 return 0;
63
64         if (gd->board_type == BOARD_TYPE_PCB091 &&
65             strcmp(name, "luton_pcb091") == 0)
66                 return 0;
67
68         return -1;
69 }
70 #endif
71
72 #if defined(CONFIG_DTB_RESELECT)
73 int embedded_dtb_select(void)
74 {
75         do_board_detect();
76         fdtdec_setup();
77
78         return 0;
79 }
80 #endif
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