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