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 #ifdef CONFIG_FSL_LS_PPA
14 #include <asm/arch/ppa.h>
15 #endif
16 #include <asm/arch/fdt.h>
17 #include <asm/arch/mmu.h>
18 #include <asm/arch/soc.h>
19 #include <ahci.h>
20 #include <hwconfig.h>
21 #include <mmc.h>
22 #include <scsi.h>
23 #include <fm_eth.h>
24 #include <fsl_esdhc.h>
25 #include <fsl_mmdc.h>
26 #include <spl.h>
27 #include <netdev.h>
28 
29 #include "../common/qixis.h"
30 #include "ls1012aqds_qixis.h"
31 
32 DECLARE_GLOBAL_DATA_PTR;
33 
34 int checkboard(void)
35 {
36 	char buf[64];
37 	u8 sw;
38 
39 	sw = QIXIS_READ(arch);
40 	printf("Board Arch: V%d, ", sw >> 4);
41 	printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);
42 
43 	sw = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);
44 
45 	if (sw & QIXIS_LBMAP_ALTBANK)
46 		printf("flash: 2\n");
47 	else
48 		printf("flash: 1\n");
49 
50 	printf("FPGA: v%d (%s), build %d",
51 	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
52 	       (int)qixis_read_minor());
53 
54 	/* the timestamp string contains "\n" at the end */
55 	printf(" on %s", qixis_read_time(buf));
56 	return 0;
57 }
58 
59 int dram_init(void)
60 {
61 	static const struct fsl_mmdc_info mparam = {
62 		0x05180000,	/* mdctl */
63 		0x00030035,	/* mdpdc */
64 		0x12554000,	/* mdotc */
65 		0xbabf7954,	/* mdcfg0 */
66 		0xdb328f64,	/* mdcfg1 */
67 		0x01ff00db,	/* mdcfg2 */
68 		0x00001680,	/* mdmisc */
69 		0x0f3c8000,	/* mdref */
70 		0x00002000,	/* mdrwd */
71 		0x00bf1023,	/* mdor */
72 		0x0000003f,	/* mdasp */
73 		0x0000022a,	/* mpodtctrl */
74 		0xa1390003,	/* mpzqhwctrl */
75 	};
76 
77 	mmdc_init(&mparam);
78 
79 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
80 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
81 	/* This will break-before-make MMU for DDR */
82 	update_early_mmu_table();
83 #endif
84 
85 	return 0;
86 }
87 
88 int board_early_init_f(void)
89 {
90 	fsl_lsch2_early_init_f();
91 
92 	return 0;
93 }
94 
95 #ifdef CONFIG_MISC_INIT_R
96 int misc_init_r(void)
97 {
98 	u8 mux_sdhc_cd = 0x80;
99 
100 	i2c_set_bus_num(0);
101 
102 	i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
103 	return 0;
104 }
105 #endif
106 
107 int board_init(void)
108 {
109 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
110 				   CONFIG_SYS_CCI400_OFFSET);
111 
112 	/* Set CCI-400 control override register to enable barrier
113 	 * transaction */
114 	out_le32(&cci->ctrl_ord,
115 		 CCI400_CTRLORD_EN_BARRIER);
116 
117 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
118 	erratum_a010315();
119 #endif
120 
121 #ifdef CONFIG_ENV_IS_NOWHERE
122 	gd->env_addr = (ulong)&default_environment[0];
123 #endif
124 
125 #ifdef CONFIG_FSL_LS_PPA
126 	ppa_init();
127 #endif
128 	return 0;
129 }
130 
131 int board_eth_init(bd_t *bis)
132 {
133 	return pci_eth_init(bis);
134 }
135 
136 int esdhc_status_fixup(void *blob, const char *compat)
137 {
138 	char esdhc0_path[] = "/soc/esdhc@1560000";
139 	char esdhc1_path[] = "/soc/esdhc@1580000";
140 	u8 card_id;
141 
142 	do_fixup_by_path(blob, esdhc0_path, "status", "okay",
143 			 sizeof("okay"), 1);
144 
145 	/*
146 	 * The Presence Detect 2 register detects the installation
147 	 * of cards in various PCI Express or SGMII slots.
148 	 *
149 	 * STAT_PRS2[7:5]: Specifies the type of card installed in the
150 	 * SDHC2 Adapter slot. 0b111 indicates no adapter is installed.
151 	 */
152 	card_id = (QIXIS_READ(present2) & 0xe0) >> 5;
153 
154 	/* If no adapter is installed in SDHC2, disable SDHC2 */
155 	if (card_id == 0x7)
156 		do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
157 				 sizeof("disabled"), 1);
158 	else
159 		do_fixup_by_path(blob, esdhc1_path, "status", "okay",
160 				 sizeof("okay"), 1);
161 	return 0;
162 }
163 
164 #ifdef CONFIG_OF_BOARD_SETUP
165 int ft_board_setup(void *blob, bd_t *bd)
166 {
167 	arch_fixup_fdt(blob);
168 
169 	ft_cpu_setup(blob, bd);
170 
171 	return 0;
172 }
173 #endif
174