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/soc.h>
18 #include <ahci.h>
19 #include <hwconfig.h>
20 #include <mmc.h>
21 #include <scsi.h>
22 #include <fm_eth.h>
23 #include <fsl_esdhc.h>
24 #include <fsl_mmdc.h>
25 #include <spl.h>
26 #include <netdev.h>
27 
28 #include "../common/qixis.h"
29 #include "ls1012aqds_qixis.h"
30 
31 DECLARE_GLOBAL_DATA_PTR;
32 
33 int checkboard(void)
34 {
35 	char buf[64];
36 	u8 sw;
37 
38 	sw = QIXIS_READ(arch);
39 	printf("Board Arch: V%d, ", sw >> 4);
40 	printf("Board version: %c, boot from ", (sw & 0xf) + 'A' - 1);
41 
42 	sw = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);
43 
44 	if (sw & QIXIS_LBMAP_ALTBANK)
45 		printf("flash: 2\n");
46 	else
47 		printf("flash: 1\n");
48 
49 	printf("FPGA: v%d (%s), build %d",
50 	       (int)QIXIS_READ(scver), qixis_read_tag(buf),
51 	       (int)qixis_read_minor());
52 
53 	/* the timestamp string contains "\n" at the end */
54 	printf(" on %s", qixis_read_time(buf));
55 	return 0;
56 }
57 
58 int dram_init(void)
59 {
60 	static const struct fsl_mmdc_info mparam = {
61 		0x05180000,	/* mdctl */
62 		0x00030035,	/* mdpdc */
63 		0x12554000,	/* mdotc */
64 		0xbabf7954,	/* mdcfg0 */
65 		0xdb328f64,	/* mdcfg1 */
66 		0x01ff00db,	/* mdcfg2 */
67 		0x00001680,	/* mdmisc */
68 		0x0f3c8000,	/* mdref */
69 		0x00002000,	/* mdrwd */
70 		0x00bf1023,	/* mdor */
71 		0x0000003f,	/* mdasp */
72 		0x0000022a,	/* mpodtctrl */
73 		0xa1390003,	/* mpzqhwctrl */
74 	};
75 
76 	mmdc_init(&mparam);
77 
78 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
79 
80 	return 0;
81 }
82 
83 int board_early_init_f(void)
84 {
85 	fsl_lsch2_early_init_f();
86 
87 	return 0;
88 }
89 
90 #ifdef CONFIG_MISC_INIT_R
91 int misc_init_r(void)
92 {
93 	u8 mux_sdhc_cd = 0x80;
94 
95 	i2c_set_bus_num(0);
96 
97 	i2c_write(CONFIG_SYS_I2C_FPGA_ADDR, 0x5a, 1, &mux_sdhc_cd, 1);
98 	return 0;
99 }
100 #endif
101 
102 int board_init(void)
103 {
104 	struct ccsr_cci400 *cci = (struct ccsr_cci400 *)
105 				   CONFIG_SYS_CCI400_ADDR;
106 
107 	/* Set CCI-400 control override register to enable barrier
108 	 * transaction */
109 	out_le32(&cci->ctrl_ord,
110 		 CCI400_CTRLORD_EN_BARRIER);
111 
112 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
113 	erratum_a010315();
114 #endif
115 
116 #ifdef CONFIG_ENV_IS_NOWHERE
117 	gd->env_addr = (ulong)&default_environment[0];
118 #endif
119 
120 #ifdef CONFIG_FSL_LS_PPA
121 	ppa_init();
122 #endif
123 	return 0;
124 }
125 
126 int board_eth_init(bd_t *bis)
127 {
128 	return pci_eth_init(bis);
129 }
130 
131 int esdhc_status_fixup(void *blob, const char *compat)
132 {
133 	char esdhc0_path[] = "/soc/esdhc@1560000";
134 	char esdhc1_path[] = "/soc/esdhc@1580000";
135 	u8 card_id;
136 
137 	do_fixup_by_path(blob, esdhc0_path, "status", "okay",
138 			 sizeof("okay"), 1);
139 
140 	/*
141 	 * The Presence Detect 2 register detects the installation
142 	 * of cards in various PCI Express or SGMII slots.
143 	 *
144 	 * STAT_PRS2[7:5]: Specifies the type of card installed in the
145 	 * SDHC2 Adapter slot. 0b111 indicates no adapter is installed.
146 	 */
147 	card_id = (QIXIS_READ(present2) & 0xe0) >> 5;
148 
149 	/* If no adapter is installed in SDHC2, disable SDHC2 */
150 	if (card_id == 0x7)
151 		do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
152 				 sizeof("disabled"), 1);
153 	else
154 		do_fixup_by_path(blob, esdhc1_path, "status", "okay",
155 				 sizeof("okay"), 1);
156 	return 0;
157 }
158 
159 #ifdef CONFIG_OF_BOARD_SETUP
160 int ft_board_setup(void *blob, bd_t *bd)
161 {
162 	arch_fixup_fdt(blob);
163 
164 	ft_cpu_setup(blob, bd);
165 
166 	return 0;
167 }
168 #endif
169 
170 void dram_init_banksize(void)
171 {
172 	/*
173 	 * gd->arch.secure_ram tracks the location of secure memory.
174 	 * It was set as if the memory starts from 0.
175 	 * The address needs to add the offset of its bank.
176 	 */
177 	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
178 	if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
179 		gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
180 		gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
181 		gd->bd->bi_dram[1].size = gd->ram_size -
182 			CONFIG_SYS_DDR_BLOCK1_SIZE;
183 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
184 		gd->arch.secure_ram = gd->bd->bi_dram[1].start +
185 			gd->arch.secure_ram -
186 			CONFIG_SYS_DDR_BLOCK1_SIZE;
187 		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
188 #endif
189 	} else {
190 		gd->bd->bi_dram[0].size = gd->ram_size;
191 #ifdef CONFIG_SYS_MEM_RESERVE_SECURE
192 		gd->arch.secure_ram = gd->bd->bi_dram[0].start +
193 			gd->arch.secure_ram;
194 		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
195 #endif
196 	}
197 }
198