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 #include <fsl_sec.h>
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 int board_early_init_f(void)
29 {
30 	fsl_lsch2_early_init_f();
31 
32 	return 0;
33 }
34 
35 #ifndef CONFIG_SPL_BUILD
36 int checkboard(void)
37 {
38 	static const char *freq[2] = {"100.00MHZ", "156.25MHZ"};
39 	u8 cfg_rcw_src1, cfg_rcw_src2;
40 	u16 cfg_rcw_src;
41 	u8 sd1refclk_sel;
42 
43 	puts("Board: LS1046ARDB, boot from ");
44 
45 	cfg_rcw_src1 = CPLD_READ(cfg_rcw_src1);
46 	cfg_rcw_src2 = CPLD_READ(cfg_rcw_src2);
47 	cpld_rev_bit(&cfg_rcw_src1);
48 	cfg_rcw_src = cfg_rcw_src1;
49 	cfg_rcw_src = (cfg_rcw_src << 1) | cfg_rcw_src2;
50 
51 	if (cfg_rcw_src == 0x44)
52 		printf("QSPI vBank %d\n", CPLD_READ(vbank));
53 	else if (cfg_rcw_src == 0x40)
54 		puts("SD\n");
55 	else
56 		puts("Invalid setting of SW5\n");
57 
58 	printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
59 	       CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));
60 
61 	puts("SERDES Reference Clocks:\n");
62 	sd1refclk_sel = CPLD_READ(sd1refclk_sel);
63 	printf("SD1_CLK1 = %s, SD1_CLK2 = %s\n", freq[sd1refclk_sel], freq[0]);
64 
65 	return 0;
66 }
67 
68 int board_init(void)
69 {
70 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
71 
72 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
73 	enable_layerscape_ns_access();
74 #endif
75 
76 #ifdef CONFIG_SECURE_BOOT
77 	/*
78 	 * In case of Secure Boot, the IBR configures the SMMU
79 	 * to allow only Secure transactions.
80 	 * SMMU must be reset in bypass mode.
81 	 * Set the ClientPD bit and Clear the USFCFG Bit
82 	 */
83 	u32 val;
84 	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
85 	out_le32(SMMU_SCR0, val);
86 	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
87 	out_le32(SMMU_NSCR0, val);
88 #endif
89 
90 #ifdef CONFIG_FSL_CAAM
91 	sec_init();
92 #endif
93 
94 #ifdef CONFIG_FSL_LS_PPA
95 	ppa_init();
96 #endif
97 
98 	/* invert AQR105 IRQ pins polarity */
99 	out_be32(&scfg->intpcr, AQR105_IRQ_MASK);
100 
101 	return 0;
102 }
103 
104 int board_setup_core_volt(u32 vdd)
105 {
106 	bool en_0v9;
107 
108 	en_0v9 = (vdd == 900) ? true : false;
109 	cpld_select_core_volt(en_0v9);
110 
111 	return 0;
112 }
113 
114 int get_serdes_volt(void)
115 {
116 	return mc34vr500_get_sw_volt(SW4);
117 }
118 
119 int set_serdes_volt(int svdd)
120 {
121 	return mc34vr500_set_sw_volt(SW4, svdd);
122 }
123 
124 int power_init_board(void)
125 {
126 	int ret;
127 
128 	ret = power_mc34vr500_init(0);
129 	if (ret)
130 		return ret;
131 
132 	setup_chip_volt();
133 
134 	return 0;
135 }
136 
137 void config_board_mux(void)
138 {
139 #ifdef CONFIG_HAS_FSL_XHCI_USB
140 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
141 	u32 usb_pwrfault;
142 
143 	/* USB3 is not used, configure mux to IIC4_SCL/IIC4_SDA */
144 	out_be32(&scfg->rcwpmuxcr0, 0x3300);
145 	out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
146 	usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
147 			SCFG_USBPWRFAULT_USB3_SHIFT) |
148 			(SCFG_USBPWRFAULT_DEDICATED <<
149 			SCFG_USBPWRFAULT_USB2_SHIFT) |
150 			(SCFG_USBPWRFAULT_SHARED <<
151 			SCFG_USBPWRFAULT_USB1_SHIFT);
152 	out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
153 #endif
154 }
155 
156 #ifdef CONFIG_MISC_INIT_R
157 int misc_init_r(void)
158 {
159 	config_board_mux();
160 	return 0;
161 }
162 #endif
163 
164 int ft_board_setup(void *blob, bd_t *bd)
165 {
166 	u64 base[CONFIG_NR_DRAM_BANKS];
167 	u64 size[CONFIG_NR_DRAM_BANKS];
168 
169 	/* fixup DT for the two DDR banks */
170 	base[0] = gd->bd->bi_dram[0].start;
171 	size[0] = gd->bd->bi_dram[0].size;
172 	base[1] = gd->bd->bi_dram[1].start;
173 	size[1] = gd->bd->bi_dram[1].size;
174 
175 	fdt_fixup_memory_banks(blob, base, size, 2);
176 	ft_cpu_setup(blob, bd);
177 
178 #ifdef CONFIG_SYS_DPAA_FMAN
179 	fdt_fixup_fman_ethernet(blob);
180 #endif
181 
182 	return 0;
183 }
184 #endif
185