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arm: ls102xa: Add snoop disable for slave port 0, 1 and 2
[karo-tx-uboot.git] / board / freescale / ls1021atwr / ls1021atwr.c
1 /*
2  * Copyright 2014 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6
7 #include <common.h>
8 #include <i2c.h>
9 #include <asm/io.h>
10 #include <asm/arch/immap_ls102xa.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/fsl_serdes.h>
13 #include <mmc.h>
14 #include <fsl_esdhc.h>
15 #include <fsl_ifc.h>
16 #include <netdev.h>
17 #include <fsl_mdio.h>
18 #include <tsec.h>
19 #include <fsl_sec.h>
20 #ifdef CONFIG_U_QE
21 #include "../../../drivers/qe/qe.h"
22 #endif
23
24
25 DECLARE_GLOBAL_DATA_PTR;
26
27 #define VERSION_MASK            0x00FF
28 #define BANK_MASK               0x0001
29 #define CONFIG_RESET            0x1
30 #define INIT_RESET              0x1
31
32 #define CPLD_SET_MUX_SERDES     0x20
33 #define CPLD_SET_BOOT_BANK      0x40
34
35 #define BOOT_FROM_UPPER_BANK    0x0
36 #define BOOT_FROM_LOWER_BANK    0x1
37
38 #define LANEB_SATA              (0x01)
39 #define LANEB_SGMII1            (0x02)
40 #define LANEC_SGMII1            (0x04)
41 #define LANEC_PCIEX1            (0x08)
42 #define LANED_PCIEX2            (0x10)
43 #define LANED_SGMII2            (0x20)
44
45 #define MASK_LANE_B             0x1
46 #define MASK_LANE_C             0x2
47 #define MASK_LANE_D             0x4
48 #define MASK_SGMII              0x8
49
50 #define KEEP_STATUS             0x0
51 #define NEED_RESET              0x1
52
53 struct cpld_data {
54         u8 cpld_ver;            /* cpld revision */
55         u8 cpld_ver_sub;        /* cpld sub revision */
56         u8 pcba_ver;            /* pcb revision number */
57         u8 system_rst;          /* reset system by cpld */
58         u8 soft_mux_on;         /* CPLD override physical switches Enable */
59         u8 cfg_rcw_src1;        /* Reset config word 1 */
60         u8 cfg_rcw_src2;        /* Reset config word 2 */
61         u8 vbank;               /* Flash bank selection Control */
62         u8 gpio;                /* GPIO for TWR-ELEV */
63         u8 i2c3_ifc_mux;
64         u8 mux_spi2;
65         u8 can3_usb2_mux;       /* CAN3 and USB2 Selection */
66         u8 qe_lcd_mux;          /* QE and LCD Selection */
67         u8 serdes_mux;          /* Multiplexed pins for SerDes Lanes */
68         u8 global_rst;          /* reset with init CPLD reg to default */
69         u8 rev1;                /* Reserved */
70         u8 rev2;                /* Reserved */
71 };
72
73 static void convert_serdes_mux(int type, int need_reset);
74
75 void cpld_show(void)
76 {
77         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
78
79         printf("CPLD:  V%x.%x\nPCBA:  V%x.0\nVBank: %d\n",
80                in_8(&cpld_data->cpld_ver) & VERSION_MASK,
81                in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
82                in_8(&cpld_data->pcba_ver) & VERSION_MASK,
83                in_8(&cpld_data->vbank) & BANK_MASK);
84
85 #ifdef CONFIG_DEBUG
86         printf("soft_mux_on =%x\n",
87                in_8(&cpld_data->soft_mux_on));
88         printf("cfg_rcw_src1 =%x\n",
89                in_8(&cpld_data->cfg_rcw_src1));
90         printf("cfg_rcw_src2 =%x\n",
91                in_8(&cpld_data->cfg_rcw_src2));
92         printf("vbank =%x\n",
93                in_8(&cpld_data->vbank));
94         printf("gpio =%x\n",
95                in_8(&cpld_data->gpio));
96         printf("i2c3_ifc_mux =%x\n",
97                in_8(&cpld_data->i2c3_ifc_mux));
98         printf("mux_spi2 =%x\n",
99                in_8(&cpld_data->mux_spi2));
100         printf("can3_usb2_mux =%x\n",
101                in_8(&cpld_data->can3_usb2_mux));
102         printf("qe_lcd_mux =%x\n",
103                in_8(&cpld_data->qe_lcd_mux));
104         printf("serdes_mux =%x\n",
105                in_8(&cpld_data->serdes_mux));
106 #endif
107 }
108
109 int checkboard(void)
110 {
111         puts("Board: LS1021ATWR\n");
112         cpld_show();
113
114         return 0;
115 }
116
117 void ddrmc_init(void)
118 {
119         struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
120
121         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
122
123         out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
124         out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
125
126         out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
127         out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
128         out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
129         out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
130         out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
131         out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
132
133         out_be32(&ddr->sdram_cfg_2,  DDR_SDRAM_CFG_2);
134
135         out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
136         out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
137
138         out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
139
140         out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
141
142         out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
143         out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
144
145         out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
146         out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
147
148         out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
149         out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
150
151         out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
152         udelay(1);
153         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | DDR_SDRAM_CFG_MEM_EN);
154 }
155
156 int dram_init(void)
157 {
158 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
159         ddrmc_init();
160 #endif
161
162         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
163         return 0;
164 }
165
166 #ifdef CONFIG_FSL_ESDHC
167 struct fsl_esdhc_cfg esdhc_cfg[1] = {
168         {CONFIG_SYS_FSL_ESDHC_ADDR},
169 };
170
171 int board_mmc_init(bd_t *bis)
172 {
173         esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
174
175         return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
176 }
177 #endif
178
179 #ifdef CONFIG_TSEC_ENET
180 int board_eth_init(bd_t *bis)
181 {
182         struct fsl_pq_mdio_info mdio_info;
183         struct tsec_info_struct tsec_info[4];
184         int num = 0;
185
186 #ifdef CONFIG_TSEC1
187         SET_STD_TSEC_INFO(tsec_info[num], 1);
188         if (is_serdes_configured(SGMII_TSEC1)) {
189                 puts("eTSEC1 is in sgmii mode.\n");
190                 tsec_info[num].flags |= TSEC_SGMII;
191         }
192         num++;
193 #endif
194 #ifdef CONFIG_TSEC2
195         SET_STD_TSEC_INFO(tsec_info[num], 2);
196         if (is_serdes_configured(SGMII_TSEC2)) {
197                 puts("eTSEC2 is in sgmii mode.\n");
198                 tsec_info[num].flags |= TSEC_SGMII;
199         }
200         num++;
201 #endif
202 #ifdef CONFIG_TSEC3
203         SET_STD_TSEC_INFO(tsec_info[num], 3);
204         num++;
205 #endif
206         if (!num) {
207                 printf("No TSECs initialized\n");
208                 return 0;
209         }
210
211         mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
212         mdio_info.name = DEFAULT_MII_NAME;
213         fsl_pq_mdio_init(bis, &mdio_info);
214
215         tsec_eth_init(bis, tsec_info, num);
216
217         return pci_eth_init(bis);
218 }
219 #endif
220
221 int config_serdes_mux(void)
222 {
223         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
224         u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
225
226         protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
227         switch (protocol) {
228         case 0x10:
229                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
230                 convert_serdes_mux(LANED_PCIEX2 |
231                                 LANEC_PCIEX1, KEEP_STATUS);
232                 break;
233         case 0x20:
234                 convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
235                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
236                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
237                 break;
238         case 0x30:
239                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
240                 convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
241                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
242                 break;
243         case 0x70:
244                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
245                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
246                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
247                 break;
248         }
249
250         return 0;
251 }
252
253 int board_early_init_f(void)
254 {
255         struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
256
257 #ifdef CONFIG_TSEC_ENET
258         out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_REV);
259         out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
260         out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
261         udelay(10);
262         out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_NOREV);
263 #endif
264
265 #ifdef CONFIG_FSL_IFC
266         init_early_memctl_regs();
267 #endif
268
269 #ifdef CONFIG_FSL_DCU_FB
270         out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_REV);
271         out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
272         out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_NOREV);
273 #endif
274
275         return 0;
276 }
277
278 int board_init(void)
279 {
280         struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR;
281
282         /*
283          * Set CCI-400 Slave interface S0, S1, S2 Shareable Override Register
284          * All transactions are treated as non-shareable
285          */
286         out_le32(&cci->slave[0].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
287         out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
288         out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
289
290 #ifndef CONFIG_SYS_FSL_NO_SERDES
291         fsl_serdes_init();
292         config_serdes_mux();
293 #endif
294
295 #ifdef CONFIG_U_QE
296         u_qe_init();
297 #endif
298
299         return 0;
300 }
301
302 #if defined(CONFIG_MISC_INIT_R)
303 int misc_init_r(void)
304 {
305 #ifdef CONFIG_FSL_CAAM
306         return sec_init();
307 #endif
308 }
309 #endif
310
311 void ft_board_setup(void *blob, bd_t *bd)
312 {
313         ft_cpu_setup(blob, bd);
314 }
315
316 u8 flash_read8(void *addr)
317 {
318         return __raw_readb(addr + 1);
319 }
320
321 void flash_write16(u16 val, void *addr)
322 {
323         u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
324
325         __raw_writew(shftval, addr);
326 }
327
328 u16 flash_read16(void *addr)
329 {
330         u16 val = __raw_readw(addr);
331
332         return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
333 }
334
335 static void convert_flash_bank(char bank)
336 {
337         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
338
339         printf("Now switch to boot from flash bank %d.\n", bank);
340         cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK;
341         cpld_data->vbank = bank;
342
343         printf("Reset board to enable configuration.\n");
344         cpld_data->system_rst = CONFIG_RESET;
345 }
346
347 static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
348                           char * const argv[])
349 {
350         if (argc != 2)
351                 return CMD_RET_USAGE;
352         if (strcmp(argv[1], "0") == 0)
353                 convert_flash_bank(BOOT_FROM_UPPER_BANK);
354         else if (strcmp(argv[1], "1") == 0)
355                 convert_flash_bank(BOOT_FROM_LOWER_BANK);
356         else
357                 return CMD_RET_USAGE;
358
359         return 0;
360 }
361
362 U_BOOT_CMD(
363         boot_bank, 2, 0, flash_bank_cmd,
364         "Flash bank Selection Control",
365         "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)"
366 );
367
368 static int cpld_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
369                           char * const argv[])
370 {
371         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
372
373         if (argc > 2)
374                 return CMD_RET_USAGE;
375         if ((argc == 1) || (strcmp(argv[1], "conf") == 0))
376                 cpld_data->system_rst = CONFIG_RESET;
377         else if (strcmp(argv[1], "init") == 0)
378                 cpld_data->global_rst = INIT_RESET;
379         else
380                 return CMD_RET_USAGE;
381
382         return 0;
383 }
384
385 U_BOOT_CMD(
386         cpld_reset, 2, 0, cpld_reset_cmd,
387         "Reset via CPLD",
388         "conf\n"
389         "       -reset with current CPLD configuration\n"
390         "init\n"
391         "       -reset and initial CPLD configuration with default value"
392
393 );
394
395 static void convert_serdes_mux(int type, int need_reset)
396 {
397         char current_serdes;
398         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
399
400         current_serdes = cpld_data->serdes_mux;
401
402         switch (type) {
403         case LANEB_SATA:
404                 current_serdes &= ~MASK_LANE_B;
405                 break;
406         case LANEB_SGMII1:
407                 current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
408                 break;
409         case LANEC_SGMII1:
410                 current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
411                 break;
412         case LANED_SGMII2:
413                 current_serdes |= MASK_LANE_D;
414                 break;
415         case LANEC_PCIEX1:
416                 current_serdes |= MASK_LANE_C;
417                 break;
418         case (LANED_PCIEX2 | LANEC_PCIEX1):
419                 current_serdes |= MASK_LANE_C;
420                 current_serdes &= ~MASK_LANE_D;
421                 break;
422         default:
423                 printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type);
424                 return;
425         }
426
427         cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES;
428         cpld_data->serdes_mux = current_serdes;
429
430         if (need_reset == 1) {
431                 printf("Reset board to enable configuration\n");
432                 cpld_data->system_rst = CONFIG_RESET;
433         }
434 }
435
436 void print_serdes_mux(void)
437 {
438         char current_serdes;
439         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
440
441         current_serdes = cpld_data->serdes_mux;
442
443         printf("Serdes Lane B: ");
444         if ((current_serdes & MASK_LANE_B) == 0)
445                 printf("SATA,\n");
446         else
447                 printf("SGMII 1,\n");
448
449         printf("Serdes Lane C: ");
450         if ((current_serdes & MASK_LANE_C) == 0)
451                 printf("SGMII 1,\n");
452         else
453                 printf("PCIe,\n");
454
455         printf("Serdes Lane D: ");
456         if ((current_serdes & MASK_LANE_D) == 0)
457                 printf("PCIe,\n");
458         else
459                 printf("SGMII 2,\n");
460
461         printf("SGMII 1 is on lane ");
462         if ((current_serdes & MASK_SGMII) == 0)
463                 printf("C.\n");
464         else
465                 printf("B.\n");
466 }
467
468 static int serdes_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
469                           char * const argv[])
470 {
471         if (argc != 2)
472                 return CMD_RET_USAGE;
473         if (strcmp(argv[1], "sata") == 0) {
474                 printf("Set serdes lane B to SATA.\n");
475                 convert_serdes_mux(LANEB_SATA, NEED_RESET);
476         } else if (strcmp(argv[1], "sgmii1b") == 0) {
477                 printf("Set serdes lane B to SGMII 1.\n");
478                 convert_serdes_mux(LANEB_SGMII1, NEED_RESET);
479         } else if (strcmp(argv[1], "sgmii1c") == 0) {
480                 printf("Set serdes lane C to SGMII 1.\n");
481                 convert_serdes_mux(LANEC_SGMII1, NEED_RESET);
482         } else if (strcmp(argv[1], "sgmii2") == 0) {
483                 printf("Set serdes lane D to SGMII 2.\n");
484                 convert_serdes_mux(LANED_SGMII2, NEED_RESET);
485         } else if (strcmp(argv[1], "pciex1") == 0) {
486                 printf("Set serdes lane C to PCIe X1.\n");
487                 convert_serdes_mux(LANEC_PCIEX1, NEED_RESET);
488         } else if (strcmp(argv[1], "pciex2") == 0) {
489                 printf("Set serdes lane C & lane D to PCIe X2.\n");
490                 convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET);
491         } else if (strcmp(argv[1], "show") == 0) {
492                 print_serdes_mux();
493         } else {
494                 return CMD_RET_USAGE;
495         }
496
497         return 0;
498 }
499
500 U_BOOT_CMD(
501         lane_bank, 2, 0, serdes_mux_cmd,
502         "Multiplexed function setting for SerDes Lanes",
503         "sata\n"
504         "       -change lane B to sata\n"
505         "lane_bank sgmii1b\n"
506         "       -change lane B to SGMII1\n"
507         "lane_bank sgmii1c\n"
508         "       -change lane C to SGMII1\n"
509         "lane_bank sgmii2\n"
510         "       -change lane D to SGMII2\n"
511         "lane_bank pciex1\n"
512         "       -change lane C to PCIeX1\n"
513         "lane_bank pciex2\n"
514         "       -change lane C & lane D to PCIeX2\n"
515         "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n"
516 );