1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2018 Microsemi Corporation
4 */
5
6 #include <common.h>
7 #include <init.h>
8 #include <asm/io.h>
9 #include <led.h>
10 #include <miiphy.h>
11
12 enum {
13 BOARD_TYPE_PCB090 = 0xAABBCD00,
14 BOARD_TYPE_PCB091,
15 };
16
board_debug_uart_init(void)17 void board_debug_uart_init(void)
18 {
19 /* too early for the pinctrl driver, so configure the UART pins here */
20 mscc_gpio_set_alternate(30, 1);
21 mscc_gpio_set_alternate(31, 1);
22 }
23
board_early_init_r(void)24 int board_early_init_r(void)
25 {
26 /* Prepare SPI controller to be used in master mode */
27 writel(0, BASE_CFG + ICPU_SW_MODE);
28
29 /* Address of boot parameters */
30 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
31
32 /* LED setup */
33 if (IS_ENABLED(CONFIG_LED))
34 led_default_state();
35
36 return 0;
37 }
38
board_phy_config(struct phy_device * phydev)39 int board_phy_config(struct phy_device *phydev)
40 {
41 phy_write(phydev, 0, 31, 0x10);
42 phy_write(phydev, 0, 18, 0x80A0);
43 while (phy_read(phydev, 0, 18) & 0x8000)
44 ;
45 phy_write(phydev, 0, 31, 0);
46 return 0;
47 }
48
do_board_detect(void)49 static void do_board_detect(void)
50 {
51 u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
52
53 if (chipid == 0x7428 || chipid == 0x7424)
54 gd->board_type = BOARD_TYPE_PCB091; // Lu10
55 else
56 gd->board_type = BOARD_TYPE_PCB090; // Lu26
57 }
58
59 #if defined(CONFIG_MULTI_DTB_FIT)
board_fit_config_name_match(const char * name)60 int board_fit_config_name_match(const char *name)
61 {
62 if (gd->board_type == BOARD_TYPE_PCB090 &&
63 strcmp(name, "luton_pcb090") == 0)
64 return 0;
65
66 if (gd->board_type == BOARD_TYPE_PCB091 &&
67 strcmp(name, "luton_pcb091") == 0)
68 return 0;
69
70 return -1;
71 }
72 #endif
73
74 #if defined(CONFIG_DTB_RESELECT)
embedded_dtb_select(void)75 int embedded_dtb_select(void)
76 {
77 do_board_detect();
78 fdtdec_setup();
79
80 return 0;
81 }
82 #endif
83