1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <command.h>
8 #include <i2c.h>
9 #include <netdev.h>
10 #include <linux/compiler.h>
11 #include <asm/mmu.h>
12 #include <asm/processor.h>
13 #include <asm/cache.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_liodn.h>
18 #include <fm_eth.h>
19 
20 #include "t4rdb.h"
21 #include "cpld.h"
22 #include "../common/vid.h"
23 
24 DECLARE_GLOBAL_DATA_PTR;
25 
26 int checkboard(void)
27 {
28 	struct cpu_type *cpu = gd->arch.cpu;
29 	u8 sw;
30 
31 	printf("Board: %sRDB, ", cpu->name);
32 	printf("Board rev: 0x%02x CPLD ver: 0x%02x%02x, ",
33 	       CPLD_READ(hw_ver), CPLD_READ(sw_maj_ver), CPLD_READ(sw_min_ver));
34 
35 	sw = CPLD_READ(vbank);
36 	sw = sw & CPLD_BANK_SEL_MASK;
37 
38 	if (sw <= 7)
39 		printf("vBank: %d\n", sw);
40 	else
41 		printf("Unsupported Bank=%x\n", sw);
42 
43 	puts("SERDES Reference Clocks:\n");
44 	printf("       SERDES1=100MHz SERDES2=156.25MHz\n"
45 	       "       SERDES3=100MHz SERDES4=100MHz\n");
46 
47 	return 0;
48 }
49 
50 int board_early_init_r(void)
51 {
52 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
53 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
54 
55 	/*
56 	 * Remap Boot flash + PROMJET region to caching-inhibited
57 	 * so that flash can be erased properly.
58 	 */
59 
60 	/* Flush d-cache and invalidate i-cache of any FLASH data */
61 	flush_dcache();
62 	invalidate_icache();
63 
64 	if (flash_esel == -1) {
65 		/* very unlikely unless something is messed up */
66 		puts("Error: Could not find TLB for FLASH BASE\n");
67 		flash_esel = 2;	/* give our best effort to continue */
68 	} else {
69 		/* invalidate existing TLB entry for flash + promjet */
70 		disable_tlb(flash_esel);
71 	}
72 
73 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
74 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
75 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
76 
77 	/*
78 	 * Adjust core voltage according to voltage ID
79 	 * This function changes I2C mux to channel 2.
80 	*/
81 	if (adjust_vdd(0))
82 		printf("Warning: Adjusting core voltage failed.\n");
83 
84 	return 0;
85 }
86 
87 int misc_init_r(void)
88 {
89 	return 0;
90 }
91 
92 int ft_board_setup(void *blob, bd_t *bd)
93 {
94 	phys_addr_t base;
95 	phys_size_t size;
96 
97 	ft_cpu_setup(blob, bd);
98 
99 	base = env_get_bootm_low();
100 	size = env_get_bootm_size();
101 
102 	fdt_fixup_memory(blob, (u64)base, (u64)size);
103 
104 #ifdef CONFIG_PCI
105 	pci_of_setup(blob, bd);
106 #endif
107 
108 	fdt_fixup_liodn(blob);
109 	fsl_fdt_fixup_dr_usb(blob, bd);
110 
111 #ifdef CONFIG_SYS_DPAA_FMAN
112 	fdt_fixup_fman_ethernet(blob);
113 	fdt_fixup_board_enet(blob);
114 #endif
115 
116 	return 0;
117 }
118 
119 /*
120  * This function is called by bdinfo to print detail board information.
121  * As an exmaple for future board, we organize the messages into
122  * several sections. If applicable, the message is in the format of
123  * <name>      = <value>
124  * It should aligned with normal output of bdinfo command.
125  *
126  * Voltage: Core, DDR and another configurable voltages
127  * Clock  : Critical clocks which are not printed already
128  * RCW    : RCW source if not printed already
129  * Misc   : Other important information not in above catagories
130  */
131 void board_detail(void)
132 {
133 	int rcwsrc;
134 
135 	/* RCW section SW3[4] */
136 	rcwsrc = 0x0;
137 	puts("RCW source  = ");
138 	switch (rcwsrc & 0x1) {
139 	case 0x1:
140 		puts("SDHC/eMMC\n");
141 		break;
142 	default:
143 		puts("I2C normal addressing\n");
144 		break;
145 	}
146 }
147