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
checkboard(void)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
board_early_init_r(void)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
misc_init_r(void)87 int misc_init_r(void)
88 {
89 return 0;
90 }
91
ft_board_setup(void * blob,bd_t * bd)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 */
board_detail(void)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