1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2016 Freescale Semiconductor, Inc.
4  */
5 
6 #include <common.h>
7 #include <asm/arch/immap_ls102xa.h>
8 #include <asm/arch/clock.h>
9 #include <asm/arch/fsl_serdes.h>
10 #include <asm/arch/ls102xa_stream_id.h>
11 
12 #include <asm/arch/ls102xa_devdis.h>
13 #include <asm/arch/ls102xa_soc.h>
14 #include <asm/arch/ls102xa_sata.h>
15 #include <fsl_csu.h>
16 #include <fsl_esdhc.h>
17 #include <fsl_immap.h>
18 #include <netdev.h>
19 #include <fsl_mdio.h>
20 #include <tsec.h>
21 #include <spl.h>
22 
23 #include <fsl_validate.h>
24 #include "../common/sleep.h"
25 
26 DECLARE_GLOBAL_DATA_PTR;
27 
28 #define DDR_SIZE		0x40000000
29 
30 
31 int checkboard(void)
32 {
33 	puts("Board: LS1021AIOT\n");
34 
35 #ifndef CONFIG_QSPI_BOOT
36 	struct ccsr_gur *dcfg = (struct ccsr_gur *)CONFIG_SYS_FSL_GUTS_ADDR;
37 	u32 cpldrev;
38 
39 	cpldrev = in_be32(&dcfg->gpporcr1);
40 
41 	printf("CPLD:  V%d.%d\n", ((cpldrev >> 28) & 0xf), ((cpldrev >> 24) &
42 		0xf));
43 #endif
44 	return 0;
45 }
46 
47 void ddrmc_init(void)
48 {
49 	struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
50 	u32 temp_sdram_cfg, tmp;
51 
52 	out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
53 
54 	out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
55 	out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
56 
57 	out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
58 	out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
59 	out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
60 	out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
61 	out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
62 	out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
63 
64 	out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
65 	out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
66 
67 	out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
68 	out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
69 
70 	out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
71 
72 	out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
73 
74 	out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
75 	out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
76 
77 	out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
78 
79 	out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
80 	out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
81 
82 	out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
83 
84 	/* DDR erratum A-009942 */
85 	tmp = in_be32(&ddr->debug[28]);
86 	out_be32(&ddr->debug[28], tmp | 0x0070006f);
87 
88 	udelay(500);
89 
90 	temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
91 
92 	out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
93 }
94 
95 int dram_init(void)
96 {
97 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
98 	ddrmc_init();
99 #endif
100 
101 	gd->ram_size = DDR_SIZE;
102 	return 0;
103 }
104 
105 #ifdef CONFIG_FSL_ESDHC
106 struct fsl_esdhc_cfg esdhc_cfg[1] = {
107 	{CONFIG_SYS_FSL_ESDHC_ADDR},
108 };
109 
110 int board_mmc_init(bd_t *bis)
111 {
112 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
113 
114 	return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
115 }
116 
117 #endif
118 
119 #ifdef CONFIG_TSEC_ENET
120 int board_eth_init(bd_t *bis)
121 {
122 	struct fsl_pq_mdio_info mdio_info;
123 	struct tsec_info_struct tsec_info[4];
124 	int num = 0;
125 
126 #ifdef CONFIG_TSEC1
127 	SET_STD_TSEC_INFO(tsec_info[num], 1);
128 	if (is_serdes_configured(SGMII_TSEC1)) {
129 		puts("eTSEC1 is in sgmii mode.\n");
130 		tsec_info[num].flags |= TSEC_SGMII;
131 	}
132 	num++;
133 #endif
134 #ifdef CONFIG_TSEC2
135 	SET_STD_TSEC_INFO(tsec_info[num], 2);
136 	if (is_serdes_configured(SGMII_TSEC2)) {
137 		puts("eTSEC2 is in sgmii mode.\n");
138 		tsec_info[num].flags |= TSEC_SGMII;
139 	}
140 	num++;
141 #endif
142 	if (!num) {
143 		printf("No TSECs initialized\n");
144 		return 0;
145 	}
146 
147 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
148 	mdio_info.name = DEFAULT_MII_NAME;
149 	fsl_pq_mdio_init(bis, &mdio_info);
150 
151 	tsec_eth_init(bis, tsec_info, num);
152 
153 	return pci_eth_init(bis);
154 }
155 #endif
156 
157 int board_early_init_f(void)
158 {
159 	struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
160 
161 #ifdef CONFIG_TSEC_ENET
162 	/* clear BD & FR bits for BE BD's and frame data */
163 	clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
164 	out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
165 
166 #endif
167 
168 	arch_soc_init();
169 
170 	return 0;
171 }
172 
173 #ifdef CONFIG_SPL_BUILD
174 void board_init_f(ulong dummy)
175 {
176 	/* Clear the BSS */
177 	memset(__bss_start, 0, __bss_end - __bss_start);
178 
179 	get_clocks();
180 
181 	preloader_console_init();
182 
183 	dram_init();
184 
185 	/* Allow OCRAM access permission as R/W */
186 
187 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
188 	enable_layerscape_ns_access();
189 #endif
190 
191 	board_init_r(NULL, 0);
192 }
193 #endif
194 
195 int board_init(void)
196 {
197 #ifndef CONFIG_SYS_FSL_NO_SERDES
198 	fsl_serdes_init();
199 #endif
200 
201 	ls102xa_smmu_stream_id_init();
202 
203 	return 0;
204 }
205 
206 #ifdef CONFIG_BOARD_LATE_INIT
207 int board_late_init(void)
208 {
209 #ifdef CONFIG_SCSI_AHCI_PLAT
210 	ls1021a_sata_init();
211 #endif
212 
213 	return 0;
214 }
215 #endif
216 
217 #if defined(CONFIG_MISC_INIT_R)
218 int misc_init_r(void)
219 {
220 #ifdef CONFIG_FSL_DEVICE_DISABLE
221 	device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
222 
223 #endif
224 
225 #ifdef CONFIG_FSL_CAAM
226 	return sec_init();
227 #endif
228 }
229 #endif
230 
231 int ft_board_setup(void *blob, bd_t *bd)
232 {
233 	ft_cpu_setup(blob, bd);
234 
235 #ifdef CONFIG_PCI
236 	ft_pci_setup(blob, bd);
237 #endif
238 
239 	return 0;
240 }
241 
242 void flash_write16(u16 val, void *addr)
243 {
244 	u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
245 
246 	__raw_writew(shftval, addr);
247 }
248 
249 u16 flash_read16(void *addr)
250 {
251 	u16 val = __raw_readw(addr);
252 
253 	return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
254 }
255