global: Migrate CONFIG_SYS_FSL* symbols to the CFG_SYS namespace
[platform/kernel/u-boot.git] / board / freescale / ls1021atsn / ls1021atsn.c
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright 2016-2019, 2021 NXP
3  */
4 #include <common.h>
5 #include <clock_legacy.h>
6 #include <fdt_support.h>
7 #include <init.h>
8 #include <net.h>
9 #include <asm/arch-ls102xa/ls102xa_soc.h>
10 #include <asm/arch/ls102xa_devdis.h>
11 #include <asm/arch/immap_ls102xa.h>
12 #include <asm/arch/ls102xa_soc.h>
13 #include <asm/arch/fsl_serdes.h>
14 #include <asm/global_data.h>
15 #include <linux/delay.h>
16 #include "../common/sleep.h"
17 #include <fsl_validate.h>
18 #include <fsl_immap.h>
19 #include <fsl_csu.h>
20 #include <netdev.h>
21 #include <spl.h>
22 #ifdef CONFIG_U_QE
23 #include <fsl_qe.h>
24 #endif
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 static void ddrmc_init(void)
29 {
30 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
31         struct ccsr_ddr *ddr = (struct ccsr_ddr *)CFG_SYS_FSL_DDR_ADDR;
32         u32 temp_sdram_cfg, tmp;
33
34         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
35
36         out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
37         out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
38
39         out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
40         out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
41         out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
42         out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
43         out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
44         out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
45
46 #ifdef CONFIG_DEEP_SLEEP
47         if (is_warm_boot()) {
48                 out_be32(&ddr->sdram_cfg_2,
49                          DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT);
50                 out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
51                 out_be32(&ddr->init_ext_addr, (1 << 31));
52
53                 /* DRAM VRef will not be trained */
54                 out_be32(&ddr->ddr_cdr2,
55                          DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN);
56         } else
57 #endif
58         {
59                 out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
60                 out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
61         }
62
63         out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
64         out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
65
66         out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
67
68         out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
69
70         out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
71         out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
72
73         out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
74
75         out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
76         out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
77
78         out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
79
80         /* DDR erratum A-009942 */
81         tmp = in_be32(&ddr->debug[28]);
82         out_be32(&ddr->debug[28], tmp | 0x0070006f);
83
84         udelay(1);
85
86 #ifdef CONFIG_DEEP_SLEEP
87         if (is_warm_boot()) {
88                 /* enter self-refresh */
89                 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
90                 temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
91                 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
92
93                 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI);
94         } else
95 #endif
96                 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
97
98         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
99
100 #ifdef CONFIG_DEEP_SLEEP
101         if (is_warm_boot()) {
102                 /* exit self-refresh */
103                 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
104                 temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
105                 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
106         }
107 #endif
108 #endif /* !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD) */
109 }
110
111 int dram_init(void)
112 {
113         ddrmc_init();
114
115         erratum_a008850_post();
116
117         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
118
119 #if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
120         fsl_dp_resume();
121 #endif
122
123         return 0;
124 }
125
126 int board_eth_init(struct bd_info *bis)
127 {
128         return pci_eth_init(bis);
129 }
130
131 int board_early_init_f(void)
132 {
133         struct ccsr_scfg *scfg = (struct ccsr_scfg *)CFG_SYS_FSL_SCFG_ADDR;
134
135 #ifdef CONFIG_TSEC_ENET
136         /*
137          * Clear BD & FR bits for big endian BD's and frame data (aka set
138          * correct eTSEC endianness). This is crucial in ensuring that it does
139          * not report Data Parity Errors in its RX/TX FIFOs when attempting to
140          * send traffic.
141          */
142         clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
143         /* EC3_GTX_CLK125 (of enet2) used for all RGMII interfaces */
144         out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
145 #endif
146
147         arch_soc_init();
148
149 #if defined(CONFIG_DEEP_SLEEP)
150         if (is_warm_boot()) {
151                 timer_init();
152                 dram_init();
153         }
154 #endif
155
156         return 0;
157 }
158
159 #ifdef CONFIG_SPL_BUILD
160 void board_init_f(ulong dummy)
161 {
162         void (*second_uboot)(void);
163
164         /* Clear the BSS */
165         memset(__bss_start, 0, __bss_end - __bss_start);
166
167         get_clocks();
168
169 #if defined(CONFIG_DEEP_SLEEP)
170         if (is_warm_boot())
171                 fsl_dp_disable_console();
172 #endif
173
174         preloader_console_init();
175
176         dram_init();
177
178         /* Allow OCRAM access permission as R/W */
179 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
180         enable_layerscape_ns_access();
181         enable_layerscape_ns_access();
182 #endif
183
184         /*
185          * if it is woken up from deep sleep, then jump to second
186          * stage U-Boot and continue executing without recopying
187          * it from SD since it has already been reserved in memory
188          * in last boot.
189          */
190         if (is_warm_boot()) {
191                 second_uboot = (void (*)(void))CONFIG_TEXT_BASE;
192                 second_uboot();
193         }
194
195         board_init_r(NULL, 0);
196 }
197 #endif
198
199 int board_init(void)
200 {
201 #ifndef CONFIG_SYS_FSL_NO_SERDES
202         fsl_serdes_init();
203 #endif
204         ls102xa_smmu_stream_id_init();
205
206 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
207         enable_layerscape_ns_access();
208 #endif
209
210 #ifdef CONFIG_U_QE
211         u_qe_init();
212 #endif
213
214         return 0;
215 }
216
217 #if defined(CONFIG_SPL_BUILD)
218 void spl_board_init(void)
219 {
220         ls102xa_smmu_stream_id_init();
221 }
222 #endif
223
224 #ifdef CONFIG_BOARD_LATE_INIT
225 int board_late_init(void)
226 {
227 #ifdef CONFIG_CHAIN_OF_TRUST
228         fsl_setenv_chain_of_trust();
229 #endif
230
231         return 0;
232 }
233 #endif
234
235 #if defined(CONFIG_MISC_INIT_R)
236 int misc_init_r(void)
237 {
238 #ifdef CONFIG_FSL_DEVICE_DISABLE
239         device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
240 #endif
241         return 0;
242 }
243 #endif
244
245 #if defined(CONFIG_DEEP_SLEEP)
246 void board_sleep_prepare(void)
247 {
248 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
249         enable_layerscape_ns_access();
250 #endif
251 }
252 #endif
253
254 int ft_board_setup(void *blob, struct bd_info *bd)
255 {
256         ft_cpu_setup(blob, bd);
257
258 #ifdef CONFIG_PCI
259         ft_pci_setup(blob, bd);
260 #endif
261
262         return 0;
263 }