1 /*
2  * Copyright 2016 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <fdt_support.h>
10 #include <asm/io.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/fsl_serdes.h>
13 #include <asm/arch/ppa.h>
14 #include <asm/arch/soc.h>
15 #include <hwconfig.h>
16 #include <ahci.h>
17 #include <mmc.h>
18 #include <scsi.h>
19 #include <fm_eth.h>
20 #include <fsl_csu.h>
21 #include <fsl_esdhc.h>
22 #include <power/mc34vr500_pmic.h>
23 #include "cpld.h"
24 
25 DECLARE_GLOBAL_DATA_PTR;
26 
27 int checkboard(void)
28 {
29 	static const char *freq[2] = {"100.00MHZ", "156.25MHZ"};
30 	u8 cfg_rcw_src1, cfg_rcw_src2;
31 	u16 cfg_rcw_src;
32 	u8 sd1refclk_sel;
33 
34 	puts("Board: LS1046ARDB, boot from ");
35 
36 	cfg_rcw_src1 = CPLD_READ(cfg_rcw_src1);
37 	cfg_rcw_src2 = CPLD_READ(cfg_rcw_src2);
38 	cpld_rev_bit(&cfg_rcw_src1);
39 	cfg_rcw_src = cfg_rcw_src1;
40 	cfg_rcw_src = (cfg_rcw_src << 1) | cfg_rcw_src2;
41 
42 	if (cfg_rcw_src == 0x44)
43 		printf("QSPI vBank %d\n", CPLD_READ(vbank));
44 	else if (cfg_rcw_src == 0x40)
45 		puts("SD\n");
46 	else
47 		puts("Invalid setting of SW5\n");
48 
49 	printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
50 	       CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));
51 
52 	puts("SERDES Reference Clocks:\n");
53 	sd1refclk_sel = CPLD_READ(sd1refclk_sel);
54 	printf("SD1_CLK1 = %s, SD1_CLK2 = %s\n", freq[sd1refclk_sel], freq[0]);
55 
56 	return 0;
57 }
58 
59 int dram_init(void)
60 {
61 	gd->ram_size = initdram(0);
62 
63 	return 0;
64 }
65 
66 int board_early_init_f(void)
67 {
68 	fsl_lsch2_early_init_f();
69 
70 	return 0;
71 }
72 
73 int board_init(void)
74 {
75 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
76 
77 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
78 	enable_layerscape_ns_access();
79 #endif
80 
81 #ifdef CONFIG_FSL_LS_PPA
82 	ppa_init();
83 #endif
84 
85 	/* invert AQR105 IRQ pins polarity */
86 	out_be32(&scfg->intpcr, AQR105_IRQ_MASK);
87 
88 	return 0;
89 }
90 
91 int board_setup_core_volt(u32 vdd)
92 {
93 	bool en_0v9;
94 
95 	en_0v9 = (vdd == 900) ? true : false;
96 	cpld_select_core_volt(en_0v9);
97 
98 	return 0;
99 }
100 
101 int get_serdes_volt(void)
102 {
103 	return mc34vr500_get_sw_volt(SW4);
104 }
105 
106 int set_serdes_volt(int svdd)
107 {
108 	return mc34vr500_set_sw_volt(SW4, svdd);
109 }
110 
111 int power_init_board(void)
112 {
113 	int ret;
114 
115 	ret = power_mc34vr500_init(0);
116 	if (ret)
117 		return ret;
118 
119 	setup_chip_volt();
120 
121 	return 0;
122 }
123 
124 void config_board_mux(void)
125 {
126 #ifdef CONFIG_HAS_FSL_XHCI_USB
127 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
128 	u32 usb_pwrfault;
129 
130 	/* USB3 is not used, configure mux to IIC4_SCL/IIC4_SDA */
131 	out_be32(&scfg->rcwpmuxcr0, 0x3300);
132 	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
133 	usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
134 			SCFG_USBPWRFAULT_USB3_SHIFT) |
135 			(SCFG_USBPWRFAULT_DEDICATED <<
136 			SCFG_USBPWRFAULT_USB2_SHIFT) |
137 			(SCFG_USBPWRFAULT_SHARED <<
138 			SCFG_USBPWRFAULT_USB1_SHIFT);
139 	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
140 #endif
141 }
142 
143 #ifdef CONFIG_MISC_INIT_R
144 int misc_init_r(void)
145 {
146 	config_board_mux();
147 	return 0;
148 }
149 #endif
150 
151 int ft_board_setup(void *blob, bd_t *bd)
152 {
153 	u64 base[CONFIG_NR_DRAM_BANKS];
154 	u64 size[CONFIG_NR_DRAM_BANKS];
155 
156 	/* fixup DT for the two DDR banks */
157 	base[0] = gd->bd->bi_dram[0].start;
158 	size[0] = gd->bd->bi_dram[0].size;
159 	base[1] = gd->bd->bi_dram[1].start;
160 	size[1] = gd->bd->bi_dram[1].size;
161 
162 	fdt_fixup_memory_banks(blob, base, size, 2);
163 	ft_cpu_setup(blob, bd);
164 
165 #ifdef CONFIG_SYS_DPAA_FMAN
166 	fdt_fixup_fman_ethernet(blob);
167 #endif
168 
169 	return 0;
170 }
171