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 <fdt_support.h>
14 #include <hwconfig.h>
15 #include <ahci.h>
16 #include <mmc.h>
17 #include <scsi.h>
18 #include <fm_eth.h>
19 #include <fsl_csu.h>
20 #include <fsl_esdhc.h>
21 #include <fsl_ifc.h>
22 #include <environment.h>
23 #include <fsl_sec.h>
24 #include "cpld.h"
25 #ifdef CONFIG_U_QE
26 #include <fsl_qe.h>
27 #endif
28 
29 
30 DECLARE_GLOBAL_DATA_PTR;
31 
32 int checkboard(void)
33 {
34 	static const char *freq[3] = {"100.00MHZ", "156.25MHZ"};
35 #ifndef CONFIG_SD_BOOT
36 	u8 cfg_rcw_src1, cfg_rcw_src2;
37 	u32 cfg_rcw_src;
38 #endif
39 	u32 sd1refclk_sel;
40 
41 	printf("Board: LS1043ARDB, boot from ");
42 
43 #ifdef CONFIG_SD_BOOT
44 	puts("SD\n");
45 #else
46 	cfg_rcw_src1 = CPLD_READ(cfg_rcw_src1);
47 	cfg_rcw_src2 = CPLD_READ(cfg_rcw_src2);
48 	cpld_rev_bit(&cfg_rcw_src1);
49 	cfg_rcw_src = cfg_rcw_src1;
50 	cfg_rcw_src = (cfg_rcw_src << 1) | cfg_rcw_src2;
51 
52 	if (cfg_rcw_src == 0x25)
53 		printf("vBank %d\n", CPLD_READ(vbank));
54 	else if (cfg_rcw_src == 0x106)
55 		puts("NAND\n");
56 	else
57 		printf("Invalid setting of SW4\n");
58 #endif
59 
60 	printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
61 	       CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));
62 
63 	puts("SERDES Reference Clocks:\n");
64 	sd1refclk_sel = CPLD_READ(sd1refclk_sel);
65 	printf("SD1_CLK1 = %s, SD1_CLK2 = %s\n", freq[sd1refclk_sel], freq[0]);
66 
67 	return 0;
68 }
69 
70 int dram_init(void)
71 {
72 	gd->ram_size = initdram(0);
73 
74 	return 0;
75 }
76 
77 int board_early_init_f(void)
78 {
79 	fsl_lsch2_early_init_f();
80 
81 	return 0;
82 }
83 
84 int board_init(void)
85 {
86 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
87 
88 	/*
89 	 * Set CCI-400 control override register to enable barrier
90 	 * transaction
91 	 */
92 	out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER);
93 
94 #ifdef CONFIG_FSL_IFC
95 	init_final_memctl_regs();
96 #endif
97 
98 #ifdef CONFIG_ENV_IS_NOWHERE
99 	gd->env_addr = (ulong)&default_environment[0];
100 #endif
101 
102 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
103 	enable_layerscape_ns_access();
104 #endif
105 
106 #ifdef CONFIG_U_QE
107 	u_qe_init();
108 #endif
109 
110 	return 0;
111 }
112 
113 int config_board_mux(void)
114 {
115 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
116 	u32 usb_pwrfault;
117 
118 	if (hwconfig("qe-hdlc")) {
119 		out_be32(&scfg->rcwpmuxcr0,
120 			 (in_be32(&scfg->rcwpmuxcr0) & ~0xff00) | 0x6600);
121 		printf("Assign to qe-hdlc clk, rcwpmuxcr0=%x\n",
122 		       in_be32(&scfg->rcwpmuxcr0));
123 	} else {
124 #ifdef CONFIG_HAS_FSL_XHCI_USB
125 		out_be32(&scfg->rcwpmuxcr0, 0x3333);
126 		out_be32(&scfg->usbdrvvbus_selcr, SCFG_USBDRVVBUS_SELCR_USB1);
127 		usb_pwrfault = (SCFG_USBPWRFAULT_DEDICATED <<
128 				SCFG_USBPWRFAULT_USB3_SHIFT) |
129 				(SCFG_USBPWRFAULT_DEDICATED <<
130 				SCFG_USBPWRFAULT_USB2_SHIFT) |
131 				(SCFG_USBPWRFAULT_SHARED <<
132 				 SCFG_USBPWRFAULT_USB1_SHIFT);
133 		out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault);
134 #endif
135 	}
136 	return 0;
137 }
138 
139 #if defined(CONFIG_MISC_INIT_R)
140 int misc_init_r(void)
141 {
142 	config_board_mux();
143 #ifdef CONFIG_SECURE_BOOT
144 	/* In case of Secure Boot, the IBR configures the SMMU
145 	 * to allow only Secure transactions.
146 	 * SMMU must be reset in bypass mode.
147 	 * Set the ClientPD bit and Clear the USFCFG Bit
148 	 */
149 	u32 val;
150 	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
151 	out_le32(SMMU_SCR0, val);
152 	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
153 	out_le32(SMMU_NSCR0, val);
154 #endif
155 #ifdef CONFIG_FSL_CAAM
156 	return sec_init();
157 #endif
158 	return 0;
159 }
160 #endif
161 
162 void fdt_del_qe(void *blob)
163 {
164 	int nodeoff = 0;
165 
166 	while ((nodeoff = fdt_node_offset_by_compatible(blob, 0,
167 				"fsl,qe")) >= 0) {
168 		fdt_del_node(blob, nodeoff);
169 	}
170 }
171 
172 int ft_board_setup(void *blob, bd_t *bd)
173 {
174 	u64 base[CONFIG_NR_DRAM_BANKS];
175 	u64 size[CONFIG_NR_DRAM_BANKS];
176 
177 	/* fixup DT for the two DDR banks */
178 	base[0] = gd->bd->bi_dram[0].start;
179 	size[0] = gd->bd->bi_dram[0].size;
180 	base[1] = gd->bd->bi_dram[1].start;
181 	size[1] = gd->bd->bi_dram[1].size;
182 
183 	fdt_fixup_memory_banks(blob, base, size, 2);
184 	ft_cpu_setup(blob, bd);
185 
186 #ifdef CONFIG_SYS_DPAA_FMAN
187 	fdt_fixup_fman_ethernet(blob);
188 #endif
189 
190 	/*
191 	 * qe-hdlc and usb multi-use the pins,
192 	 * when set hwconfig to qe-hdlc, delete usb node.
193 	 */
194 	if (hwconfig("qe-hdlc"))
195 #ifdef CONFIG_HAS_FSL_XHCI_USB
196 		fdt_del_node_and_alias(blob, "usb1");
197 #endif
198 	/*
199 	 * qe just support qe-uart and qe-hdlc,
200 	 * if qe-uart and qe-hdlc are not set in hwconfig,
201 	 * delete qe node.
202 	 */
203 	if (!hwconfig("qe-uart") && !hwconfig("qe-hdlc"))
204 		fdt_del_qe(blob);
205 
206 	return 0;
207 }
208 
209 u8 flash_read8(void *addr)
210 {
211 	return __raw_readb(addr + 1);
212 }
213 
214 void flash_write16(u16 val, void *addr)
215 {
216 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
217 
218 	__raw_writew(shftval, addr);
219 }
220 
221 u16 flash_read16(void *addr)
222 {
223 	u16 val = __raw_readw(addr);
224 
225 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
226 }
227