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