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