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
board_debug_uart_init(void)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
board_early_init_r(void)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 = CONFIG_SYS_SDRAM_BASE;
33
34 /* LED setup */
35 if (IS_ENABLED(CONFIG_LED))
36 led_default_state();
37
38 return 0;
39 }
40
board_phy_config(struct phy_device * phydev)41 int board_phy_config(struct phy_device *phydev)
42 {
43 phy_write(phydev, 0, 31, 0x10);
44 phy_write(phydev, 0, 18, 0x80A0);
45 while (phy_read(phydev, 0, 18) & 0x8000)
46 ;
47 phy_write(phydev, 0, 31, 0);
48 return 0;
49 }
50
do_board_detect(void)51 static void do_board_detect(void)
52 {
53 u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
54
55 if (chipid == 0x7428 || chipid == 0x7424)
56 gd->board_type = BOARD_TYPE_PCB091; // Lu10
57 else
58 gd->board_type = BOARD_TYPE_PCB090; // Lu26
59 }
60
61 #if defined(CONFIG_MULTI_DTB_FIT)
board_fit_config_name_match(const char * name)62 int board_fit_config_name_match(const char *name)
63 {
64 if (gd->board_type == BOARD_TYPE_PCB090 &&
65 strcmp(name, "luton_pcb090") == 0)
66 return 0;
67
68 if (gd->board_type == BOARD_TYPE_PCB091 &&
69 strcmp(name, "luton_pcb091") == 0)
70 return 0;
71
72 return -1;
73 }
74 #endif
75
76 #if defined(CONFIG_DTB_RESELECT)
embedded_dtb_select(void)77 int embedded_dtb_select(void)
78 {
79 do_board_detect();
80 fdtdec_setup();
81
82 return 0;
83 }
84 #endif
85