1 /*
2  * Copyright 2015 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <i2c.h>
9 #include <asm/io.h>
10 #include <asm/arch/clock.h>
11 #include <asm/arch/fsl_serdes.h>
12 #include <asm/arch/soc.h>
13 #include <hwconfig.h>
14 #include <ahci.h>
15 #include <mmc.h>
16 #include <scsi.h>
17 #include <fm_eth.h>
18 #include <fsl_csu.h>
19 #include <fsl_esdhc.h>
20 #include <fsl_ifc.h>
21 #include <environment.h>
22 #include <fsl_sec.h>
23 #include "cpld.h"
24 #ifdef CONFIG_U_QE
25 #include <fsl_qe.h>
26 #endif
27 
28 
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 int checkboard(void)
32 {
33 	static const char *freq[3] = {"100.00MHZ", "156.25MHZ"};
34 #ifndef CONFIG_SD_BOOT
35 	u8 cfg_rcw_src1, cfg_rcw_src2;
36 	u32 cfg_rcw_src;
37 #endif
38 	u32 sd1refclk_sel;
39 
40 	printf("Board: LS1043ARDB, boot from ");
41 
42 #ifdef CONFIG_SD_BOOT
43 	puts("SD\n");
44 #else
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 == 0x25)
52 		printf("vBank %d\n", CPLD_READ(vbank));
53 	else if (cfg_rcw_src == 0x106)
54 		puts("NAND\n");
55 	else
56 		printf("Invalid setting of SW4\n");
57 #endif
58 
59 	printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
60 	       CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));
61 
62 	puts("SERDES Reference Clocks:\n");
63 	sd1refclk_sel = CPLD_READ(sd1refclk_sel);
64 	printf("SD1_CLK1 = %s, SD1_CLK2 = %s\n", freq[sd1refclk_sel], freq[0]);
65 
66 	return 0;
67 }
68 
69 int dram_init(void)
70 {
71 	gd->ram_size = initdram(0);
72 
73 	return 0;
74 }
75 
76 int board_early_init_f(void)
77 {
78 	fsl_lsch2_early_init_f();
79 
80 	return 0;
81 }
82 
83 int board_init(void)
84 {
85 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
86 
87 	/*
88 	 * Set CCI-400 control override register to enable barrier
89 	 * transaction
90 	 */
91 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
92 
93 #ifdef CONFIG_FSL_IFC
94 	init_final_memctl_regs();
95 #endif
96 
97 #ifdef CONFIG_ENV_IS_NOWHERE
98 	gd->env_addr = (ulong)&default_environment[0];
99 #endif
100 
101 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
102 	enable_layerscape_ns_access();
103 #endif
104 
105 #ifdef CONFIG_U_QE
106 	u_qe_init();
107 #endif
108 
109 	return 0;
110 }
111 
112 int config_board_mux(void)
113 {
114 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
115 	u32 usb_pwrfault;
116 
117 	if (hwconfig("qe-hdlc")) {
118 		out_be32(&scfg->rcwpmuxcr0,
119 			 (in_be32(&scfg->rcwpmuxcr0) & ~0xff00) | 0x6600);
120 		printf("Assign to qe-hdlc clk, rcwpmuxcr0=%x\n",
121 		       in_be32(&scfg->rcwpmuxcr0));
122 	} else {
123 #ifdef CONFIG_HAS_FSL_XHCI_USB
124 		out_be32(&scfg->rcwpmuxcr0, 0x3333);
125 		out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
126 		usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
127 				SCFG_USBPWRFAULT_USB3_SHIFT) |
128 				(SCFG_USBPWRFAULT_DEDICATED <<
129 				SCFG_USBPWRFAULT_USB2_SHIFT) |
130 				(SCFG_USBPWRFAULT_SHARED <<
131 				 SCFG_USBPWRFAULT_USB1_SHIFT);
132 		out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
133 #endif
134 	}
135 	return 0;
136 }
137 
138 #if defined(CONFIG_MISC_INIT_R)
139 int misc_init_r(void)
140 {
141 	config_board_mux();
142 #ifdef CONFIG_SECURE_BOOT
143 	/* In case of Secure Boot, the IBR configures the SMMU
144 	 * to allow only Secure transactions.
145 	 * SMMU must be reset in bypass mode.
146 	 * Set the ClientPD bit and Clear the USFCFG Bit
147 	 */
148 	u32 val;
149 	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
150 	out_le32(SMMU_SCR0, val);
151 	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
152 	out_le32(SMMU_NSCR0, val);
153 #endif
154 #ifdef CONFIG_FSL_CAAM
155 	return sec_init();
156 #endif
157 	return 0;
158 }
159 #endif
160 
161 void fdt_del_qe(void *blob)
162 {
163 	int nodeoff = 0;
164 
165 	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
166 				"fsl,qe")) >= 0) {
167 		fdt_del_node(blob, nodeoff);
168 	}
169 }
170 
171 int ft_board_setup(void *blob, bd_t *bd)
172 {
173 	u64 base[CONFIG_NR_DRAM_BANKS];
174 	u64 size[CONFIG_NR_DRAM_BANKS];
175 
176 	/* fixup DT for the two DDR banks */
177 	base[0] = gd->bd->bi_dram[0].start;
178 	size[0] = gd->bd->bi_dram[0].size;
179 	base[1] = gd->bd->bi_dram[1].start;
180 	size[1] = gd->bd->bi_dram[1].size;
181 
182 	fdt_fixup_memory_banks(blob, base, size, 2);
183 	ft_cpu_setup(blob, bd);
184 
185 #ifdef CONFIG_SYS_DPAA_FMAN
186 	fdt_fixup_fman_ethernet(blob);
187 #endif
188 
189 	/*
190 	 * qe-hdlc and usb multi-use the pins,
191 	 * when set hwconfig to qe-hdlc, delete usb node.
192 	 */
193 	if (hwconfig("qe-hdlc"))
194 #ifdef CONFIG_HAS_FSL_XHCI_USB
195 		fdt_del_node_and_alias(blob, "usb1");
196 #endif
197 	/*
198 	 * qe just support qe-uart and qe-hdlc,
199 	 * if qe-uart and qe-hdlc are not set in hwconfig,
200 	 * delete qe node.
201 	 */
202 	if (!hwconfig("qe-uart") && !hwconfig("qe-hdlc"))
203 		fdt_del_qe(blob);
204 
205 	return 0;
206 }
207 
208 u8 flash_read8(void *addr)
209 {
210 	return __raw_readb(addr + 1);
211 }
212 
213 void flash_write16(u16 val, void *addr)
214 {
215 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
216 
217 	__raw_writew(shftval, addr);
218 }
219 
220 u16 flash_read16(void *addr)
221 {
222 	u16 val = __raw_readw(addr);
223 
224 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
225 }
226