1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2018 Microsemi Corporation
4 */
5
6 #include <config.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 = CFG_SYS_SDRAM_BASE;
33
34 return 0;
35 }
36
board_phy_config(struct phy_device * phydev)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
do_board_detect(void)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)
board_fit_config_name_match(const char * name)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)
embedded_dtb_select(void)73 int embedded_dtb_select(void)
74 {
75 do_board_detect();
76 fdtdec_setup();
77
78 return 0;
79 }
80 #endif
81