fa87df73582e847b77a9a4a95f9d8f11a84fd9b9
[platform/kernel/u-boot.git] / board / freescale / ls1021atwr / ls1021atwr.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2014 Freescale Semiconductor, Inc.
4  * Copyright 2019, 2021-2022 NXP
5  */
6
7 #include <common.h>
8 #include <clock_legacy.h>
9 #include <command.h>
10 #include <fdt_support.h>
11 #include <i2c.h>
12 #include <init.h>
13 #include <net.h>
14 #include <asm/global_data.h>
15 #include <asm/io.h>
16 #include <asm/arch/immap_ls102xa.h>
17 #include <asm/arch/clock.h>
18 #include <asm/arch/fsl_serdes.h>
19 #include <asm/arch/ls102xa_devdis.h>
20 #include <asm/arch/ls102xa_soc.h>
21 #include <hwconfig.h>
22 #include <mmc.h>
23 #include <fsl_csu.h>
24 #include <fsl_ifc.h>
25 #include <fsl_immap.h>
26 #include <netdev.h>
27 #include <fsl_mdio.h>
28 #include <tsec.h>
29 #include <fsl_devdis.h>
30 #include <spl.h>
31 #include <linux/delay.h>
32 #include "../common/sleep.h"
33 #ifdef CONFIG_U_QE
34 #include <fsl_qe.h>
35 #endif
36 #include <fsl_validate.h>
37 #include <dm/uclass.h>
38
39 DECLARE_GLOBAL_DATA_PTR;
40
41 #define VERSION_MASK            0x00FF
42 #define BANK_MASK               0x0001
43 #define CFG_RESET               0x1
44 #define INIT_RESET              0x1
45
46 #define CPLD_SET_MUX_SERDES     0x20
47 #define CPLD_SET_BOOT_BANK      0x40
48
49 #define BOOT_FROM_UPPER_BANK    0x0
50 #define BOOT_FROM_LOWER_BANK    0x1
51
52 #define LANEB_SATA              (0x01)
53 #define LANEB_SGMII1            (0x02)
54 #define LANEC_SGMII1            (0x04)
55 #define LANEC_PCIEX1            (0x08)
56 #define LANED_PCIEX2            (0x10)
57 #define LANED_SGMII2            (0x20)
58
59 #define MASK_LANE_B             0x1
60 #define MASK_LANE_C             0x2
61 #define MASK_LANE_D             0x4
62 #define MASK_SGMII              0x8
63
64 #define KEEP_STATUS             0x0
65 #define NEED_RESET              0x1
66
67 #define SOFT_MUX_ON_I2C3_IFC    0x2
68 #define SOFT_MUX_ON_CAN3_USB2   0x8
69 #define SOFT_MUX_ON_QE_LCD      0x10
70
71 #define PIN_I2C3_IFC_MUX_I2C3   0x0
72 #define PIN_I2C3_IFC_MUX_IFC    0x1
73 #define PIN_CAN3_USB2_MUX_USB2  0x0
74 #define PIN_CAN3_USB2_MUX_CAN3  0x1
75 #define PIN_QE_LCD_MUX_LCD      0x0
76 #define PIN_QE_LCD_MUX_QE       0x1
77
78 struct cpld_data {
79         u8 cpld_ver;            /* cpld revision */
80         u8 cpld_ver_sub;        /* cpld sub revision */
81         u8 pcba_ver;            /* pcb revision number */
82         u8 system_rst;          /* reset system by cpld */
83         u8 soft_mux_on;         /* CPLD override physical switches Enable */
84         u8 cfg_rcw_src1;        /* Reset config word 1 */
85         u8 cfg_rcw_src2;        /* Reset config word 2 */
86         u8 vbank;               /* Flash bank selection Control */
87         u8 gpio;                /* GPIO for TWR-ELEV */
88         u8 i2c3_ifc_mux;
89         u8 mux_spi2;
90         u8 can3_usb2_mux;       /* CAN3 and USB2 Selection */
91         u8 qe_lcd_mux;          /* QE and LCD Selection */
92         u8 serdes_mux;          /* Multiplexed pins for SerDes Lanes */
93         u8 global_rst;          /* reset with init CPLD reg to default */
94         u8 rev1;                /* Reserved */
95         u8 rev2;                /* Reserved */
96 };
97
98 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
99 static void cpld_show(void)
100 {
101         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
102
103         printf("CPLD:  V%x.%x\nPCBA:  V%x.0\nVBank: %d\n",
104                in_8(&cpld_data->cpld_ver) & VERSION_MASK,
105                in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
106                in_8(&cpld_data->pcba_ver) & VERSION_MASK,
107                in_8(&cpld_data->vbank) & BANK_MASK);
108
109 #ifdef DEBUG
110         printf("soft_mux_on =%x\n",
111                in_8(&cpld_data->soft_mux_on));
112         printf("cfg_rcw_src1 =%x\n",
113                in_8(&cpld_data->cfg_rcw_src1));
114         printf("cfg_rcw_src2 =%x\n",
115                in_8(&cpld_data->cfg_rcw_src2));
116         printf("vbank =%x\n",
117                in_8(&cpld_data->vbank));
118         printf("gpio =%x\n",
119                in_8(&cpld_data->gpio));
120         printf("i2c3_ifc_mux =%x\n",
121                in_8(&cpld_data->i2c3_ifc_mux));
122         printf("mux_spi2 =%x\n",
123                in_8(&cpld_data->mux_spi2));
124         printf("can3_usb2_mux =%x\n",
125                in_8(&cpld_data->can3_usb2_mux));
126         printf("qe_lcd_mux =%x\n",
127                in_8(&cpld_data->qe_lcd_mux));
128         printf("serdes_mux =%x\n",
129                in_8(&cpld_data->serdes_mux));
130 #endif
131 }
132 #endif
133
134 int checkboard(void)
135 {
136         puts("Board: LS1021ATWR\n");
137 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
138         cpld_show();
139 #endif
140
141         return 0;
142 }
143
144 void ddrmc_init(void)
145 {
146         struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
147         u32 temp_sdram_cfg, tmp;
148
149         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
150
151         out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
152         out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
153
154         out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
155         out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
156         out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
157         out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
158         out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
159         out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
160
161 #ifdef CONFIG_DEEP_SLEEP
162         if (is_warm_boot()) {
163                 out_be32(&ddr->sdram_cfg_2,
164                          DDR_SDRAM_CFG_2 & ~SDRAM_CFG2_D_INIT);
165                 out_be32(&ddr->init_addr, CONFIG_SYS_SDRAM_BASE);
166                 out_be32(&ddr->init_ext_addr, (1 << 31));
167
168                 /* DRAM VRef will not be trained */
169                 out_be32(&ddr->ddr_cdr2,
170                          DDR_DDR_CDR2 & ~DDR_CDR2_VREF_TRAIN_EN);
171         } else
172 #endif
173         {
174                 out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
175                 out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
176         }
177
178         out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
179         out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
180
181         out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
182
183         out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
184
185         out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
186         out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
187
188         out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
189
190         out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
191         out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
192
193         out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
194
195         /* DDR erratum A-009942 */
196         tmp = in_be32(&ddr->debug[28]);
197         out_be32(&ddr->debug[28], tmp | 0x0070006f);
198
199         udelay(1);
200
201 #ifdef CONFIG_DEEP_SLEEP
202         if (is_warm_boot()) {
203                 /* enter self-refresh */
204                 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
205                 temp_sdram_cfg |= SDRAM_CFG2_FRC_SR;
206                 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
207
208                 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN | SDRAM_CFG_BI);
209         } else
210 #endif
211                 temp_sdram_cfg = (DDR_SDRAM_CFG_MEM_EN & ~SDRAM_CFG_BI);
212
213         out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | temp_sdram_cfg);
214
215 #ifdef CONFIG_DEEP_SLEEP
216         if (is_warm_boot()) {
217                 /* exit self-refresh */
218                 temp_sdram_cfg = in_be32(&ddr->sdram_cfg_2);
219                 temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR;
220                 out_be32(&ddr->sdram_cfg_2, temp_sdram_cfg);
221         }
222 #endif
223 }
224
225 int dram_init(void)
226 {
227 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
228         ddrmc_init();
229 #endif
230
231         erratum_a008850_post();
232
233         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
234
235 #if defined(CONFIG_DEEP_SLEEP) && !defined(CONFIG_SPL_BUILD)
236         fsl_dp_resume();
237 #endif
238
239         return 0;
240 }
241
242 int board_eth_init(struct bd_info *bis)
243 {
244         return pci_eth_init(bis);
245 }
246
247 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
248 static void convert_serdes_mux(int type, int need_reset)
249 {
250         char current_serdes;
251         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
252
253         current_serdes = cpld_data->serdes_mux;
254
255         switch (type) {
256         case LANEB_SATA:
257                 current_serdes &= ~MASK_LANE_B;
258                 break;
259         case LANEB_SGMII1:
260                 current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
261                 break;
262         case LANEC_SGMII1:
263                 current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
264                 break;
265         case LANED_SGMII2:
266                 current_serdes |= MASK_LANE_D;
267                 break;
268         case LANEC_PCIEX1:
269                 current_serdes |= MASK_LANE_C;
270                 break;
271         case (LANED_PCIEX2 | LANEC_PCIEX1):
272                 current_serdes |= MASK_LANE_C;
273                 current_serdes &= ~MASK_LANE_D;
274                 break;
275         default:
276                 printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type);
277                 return;
278         }
279
280         cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES;
281         cpld_data->serdes_mux = current_serdes;
282
283         if (need_reset == 1) {
284                 printf("Reset board to enable configuration\n");
285                 cpld_data->system_rst = CFG_RESET;
286         }
287 }
288
289 int config_serdes_mux(void)
290 {
291         struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
292         u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
293
294         protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
295         switch (protocol) {
296         case 0x10:
297                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
298                 convert_serdes_mux(LANED_PCIEX2 |
299                                 LANEC_PCIEX1, KEEP_STATUS);
300                 break;
301         case 0x20:
302                 convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
303                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
304                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
305                 break;
306         case 0x30:
307                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
308                 convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
309                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
310                 break;
311         case 0x70:
312                 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
313                 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
314                 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
315                 break;
316         }
317
318         return 0;
319 }
320 #endif
321
322 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
323 int config_board_mux(void)
324 {
325         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
326         int conflict_flag;
327
328         conflict_flag = 0;
329         if (hwconfig("i2c3")) {
330                 conflict_flag++;
331                 cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
332                 cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_I2C3;
333         }
334
335         if (hwconfig("ifc")) {
336                 conflict_flag++;
337                 /* some signals can not enable simultaneous*/
338                 if (conflict_flag > 1)
339                         goto conflict;
340                 cpld_data->soft_mux_on |= SOFT_MUX_ON_I2C3_IFC;
341                 cpld_data->i2c3_ifc_mux = PIN_I2C3_IFC_MUX_IFC;
342         }
343
344         conflict_flag = 0;
345         if (hwconfig("usb2")) {
346                 conflict_flag++;
347                 cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
348                 cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_USB2;
349         }
350
351         if (hwconfig("can3")) {
352                 conflict_flag++;
353                 /* some signals can not enable simultaneous*/
354                 if (conflict_flag > 1)
355                         goto conflict;
356                 cpld_data->soft_mux_on |= SOFT_MUX_ON_CAN3_USB2;
357                 cpld_data->can3_usb2_mux = PIN_CAN3_USB2_MUX_CAN3;
358         }
359
360         conflict_flag = 0;
361         if (hwconfig("lcd")) {
362                 conflict_flag++;
363                 cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
364                 cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_LCD;
365         }
366
367         if (hwconfig("qe")) {
368                 conflict_flag++;
369                 /* some signals can not enable simultaneous*/
370                 if (conflict_flag > 1)
371                         goto conflict;
372                 cpld_data->soft_mux_on |= SOFT_MUX_ON_QE_LCD;
373                 cpld_data->qe_lcd_mux = PIN_QE_LCD_MUX_QE;
374         }
375
376         return 0;
377
378 conflict:
379         printf("WARNING: pin conflict! MUX setting may failed!\n");
380         return 0;
381 }
382 #endif
383
384 int board_early_init_f(void)
385 {
386         struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
387
388 #ifdef CONFIG_TSEC_ENET
389         /* clear BD & FR bits for BE BD's and frame data */
390         clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
391         out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
392 #endif
393
394 #ifdef CONFIG_FSL_IFC
395         init_early_memctl_regs();
396 #endif
397
398         arch_soc_init();
399
400 #if defined(CONFIG_DEEP_SLEEP)
401         if (is_warm_boot()) {
402                 timer_init();
403                 dram_init();
404         }
405 #endif
406
407         return 0;
408 }
409
410 #ifdef CONFIG_SPL_BUILD
411 void board_init_f(ulong dummy)
412 {
413         void (*second_uboot)(void);
414
415         /* Clear the BSS */
416         memset(__bss_start, 0, __bss_end - __bss_start);
417
418         get_clocks();
419
420 #if defined(CONFIG_DEEP_SLEEP)
421         if (is_warm_boot())
422                 fsl_dp_disable_console();
423 #endif
424
425         preloader_console_init();
426
427         timer_init();
428         dram_init();
429
430         /* Allow OCRAM access permission as R/W */
431 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
432         enable_layerscape_ns_access();
433 #endif
434
435         /*
436          * if it is woken up from deep sleep, then jump to second
437          * stage uboot and continue executing without recopying
438          * it from SD since it has already been reserved in memeory
439          * in last boot.
440          */
441         if (is_warm_boot()) {
442                 second_uboot = (void (*)(void))CONFIG_TEXT_BASE;
443                 second_uboot();
444         }
445
446         board_init_r(NULL, 0);
447 }
448 #endif
449
450 #ifdef CONFIG_DEEP_SLEEP
451 /* program the regulator (MC34VR500) to support deep sleep */
452 void ls1twr_program_regulator(void)
453 {
454         u8 i2c_device_id;
455
456 #define LS1TWR_I2C_BUS_MC34VR500        1
457 #define MC34VR500_ADDR                  0x8
458 #define MC34VR500_DEVICEID              0x4
459 #define MC34VR500_DEVICEID_MASK         0x0f
460 #if CONFIG_IS_ENABLED(DM_I2C)
461         struct udevice *dev;
462         int ret;
463
464         ret = i2c_get_chip_for_busnum(LS1TWR_I2C_BUS_MC34VR500, MC34VR500_ADDR,
465                                       1, &dev);
466         if (ret) {
467                 printf("%s: Cannot find udev for a bus %d\n", __func__,
468                        LS1TWR_I2C_BUS_MC34VR500);
469                 return;
470         }
471         i2c_device_id = dm_i2c_reg_read(dev, 0x0) &
472                                         MC34VR500_DEVICEID_MASK;
473         if (i2c_device_id != MC34VR500_DEVICEID) {
474                 printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n");
475                 return;
476         }
477
478         dm_i2c_reg_write(dev, 0x31, 0x4);
479         dm_i2c_reg_write(dev, 0x4d, 0x4);
480         dm_i2c_reg_write(dev, 0x6d, 0x38);
481         dm_i2c_reg_write(dev, 0x6f, 0x37);
482         dm_i2c_reg_write(dev, 0x71, 0x30);
483 #else
484         unsigned int i2c_bus;
485         i2c_bus = i2c_get_bus_num();
486         i2c_set_bus_num(LS1TWR_I2C_BUS_MC34VR500);
487         i2c_device_id = i2c_reg_read(MC34VR500_ADDR, 0x0) &
488                                         MC34VR500_DEVICEID_MASK;
489         if (i2c_device_id != MC34VR500_DEVICEID) {
490                 printf("The regulator (MC34VR500) does not exist. The device does not support deep sleep.\n");
491                 return;
492         }
493
494         i2c_reg_write(MC34VR500_ADDR, 0x31, 0x4);
495         i2c_reg_write(MC34VR500_ADDR, 0x4d, 0x4);
496         i2c_reg_write(MC34VR500_ADDR, 0x6d, 0x38);
497         i2c_reg_write(MC34VR500_ADDR, 0x6f, 0x37);
498         i2c_reg_write(MC34VR500_ADDR, 0x71, 0x30);
499
500         i2c_set_bus_num(i2c_bus);
501 #endif
502 }
503 #endif
504
505 int board_init(void)
506 {
507 #ifdef CONFIG_SYS_FSL_ERRATUM_A010315
508         erratum_a010315();
509 #endif
510
511 #ifndef CONFIG_SYS_FSL_NO_SERDES
512         fsl_serdes_init();
513 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
514         config_serdes_mux();
515 #endif
516 #endif
517
518         ls102xa_smmu_stream_id_init();
519
520 #ifdef CONFIG_U_QE
521         u_qe_init();
522 #endif
523
524 #ifdef CONFIG_DEEP_SLEEP
525         ls1twr_program_regulator();
526 #endif
527         return 0;
528 }
529
530 #if defined(CONFIG_SPL_BUILD)
531 void spl_board_init(void)
532 {
533         if (IS_ENABLED(CONFIG_FSL_CAAM)) {
534                 struct udevice *dev;
535                 int ret;
536
537                 ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(caam_jr), &dev);
538                 if (ret)
539                         printf("Failed to initialize caam_jr: %d\n", ret);
540         }
541
542         ls102xa_smmu_stream_id_init();
543 }
544 #endif
545
546 #ifdef CONFIG_BOARD_LATE_INIT
547 int board_late_init(void)
548 {
549 #ifdef CONFIG_CHAIN_OF_TRUST
550         fsl_setenv_chain_of_trust();
551 #endif
552
553         return 0;
554 }
555 #endif
556
557 #if defined(CONFIG_MISC_INIT_R)
558 int misc_init_r(void)
559 {
560 #ifdef CONFIG_FSL_DEVICE_DISABLE
561         device_disable(devdis_tbl, ARRAY_SIZE(devdis_tbl));
562 #endif
563 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI)
564         config_board_mux();
565 #endif
566         return 0;
567 }
568 #endif
569
570 #if defined(CONFIG_DEEP_SLEEP)
571 void board_sleep_prepare(void)
572 {
573 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
574         enable_layerscape_ns_access();
575 #endif
576 }
577 #endif
578
579 int ft_board_setup(void *blob, struct bd_info *bd)
580 {
581         ft_cpu_setup(blob, bd);
582
583 #ifdef CONFIG_PCI
584         ft_pci_setup(blob, bd);
585 #endif
586
587         return 0;
588 }
589
590 u8 flash_read8(void *addr)
591 {
592         return __raw_readb(addr + 1);
593 }
594
595 void flash_write16(u16 val, void *addr)
596 {
597         u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
598
599         __raw_writew(shftval, addr);
600 }
601
602 u16 flash_read16(void *addr)
603 {
604         u16 val = __raw_readw(addr);
605
606         return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
607 }
608
609 #if !defined(CONFIG_QSPI_BOOT) && !defined(CONFIG_SD_BOOT_QSPI) \
610         && !defined(CONFIG_SPL_BUILD)
611 static void convert_flash_bank(char bank)
612 {
613         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
614
615         printf("Now switch to boot from flash bank %d.\n", bank);
616         cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK;
617         cpld_data->vbank = bank;
618
619         printf("Reset board to enable configuration.\n");
620         cpld_data->system_rst = CFG_RESET;
621 }
622
623 static int flash_bank_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
624                           char *const argv[])
625 {
626         if (argc != 2)
627                 return CMD_RET_USAGE;
628         if (strcmp(argv[1], "0") == 0)
629                 convert_flash_bank(BOOT_FROM_UPPER_BANK);
630         else if (strcmp(argv[1], "1") == 0)
631                 convert_flash_bank(BOOT_FROM_LOWER_BANK);
632         else
633                 return CMD_RET_USAGE;
634
635         return 0;
636 }
637
638 U_BOOT_CMD(
639         boot_bank, 2, 0, flash_bank_cmd,
640         "Flash bank Selection Control",
641         "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)"
642 );
643
644 static int cpld_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
645                           char *const argv[])
646 {
647         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
648
649         if (argc > 2)
650                 return CMD_RET_USAGE;
651         if ((argc == 1) || (strcmp(argv[1], "conf") == 0))
652                 cpld_data->system_rst = CFG_RESET;
653         else if (strcmp(argv[1], "init") == 0)
654                 cpld_data->global_rst = INIT_RESET;
655         else
656                 return CMD_RET_USAGE;
657
658         return 0;
659 }
660
661 U_BOOT_CMD(
662         cpld_reset, 2, 0, cpld_reset_cmd,
663         "Reset via CPLD",
664         "conf\n"
665         "       -reset with current CPLD configuration\n"
666         "init\n"
667         "       -reset and initial CPLD configuration with default value"
668
669 );
670
671 static void print_serdes_mux(void)
672 {
673         char current_serdes;
674         struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
675
676         current_serdes = cpld_data->serdes_mux;
677
678         printf("Serdes Lane B: ");
679         if ((current_serdes & MASK_LANE_B) == 0)
680                 printf("SATA,\n");
681         else
682                 printf("SGMII 1,\n");
683
684         printf("Serdes Lane C: ");
685         if ((current_serdes & MASK_LANE_C) == 0)
686                 printf("SGMII 1,\n");
687         else
688                 printf("PCIe,\n");
689
690         printf("Serdes Lane D: ");
691         if ((current_serdes & MASK_LANE_D) == 0)
692                 printf("PCIe,\n");
693         else
694                 printf("SGMII 2,\n");
695
696         printf("SGMII 1 is on lane ");
697         if ((current_serdes & MASK_SGMII) == 0)
698                 printf("C.\n");
699         else
700                 printf("B.\n");
701 }
702
703 static int serdes_mux_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
704                           char *const argv[])
705 {
706         if (argc != 2)
707                 return CMD_RET_USAGE;
708         if (strcmp(argv[1], "sata") == 0) {
709                 printf("Set serdes lane B to SATA.\n");
710                 convert_serdes_mux(LANEB_SATA, NEED_RESET);
711         } else if (strcmp(argv[1], "sgmii1b") == 0) {
712                 printf("Set serdes lane B to SGMII 1.\n");
713                 convert_serdes_mux(LANEB_SGMII1, NEED_RESET);
714         } else if (strcmp(argv[1], "sgmii1c") == 0) {
715                 printf("Set serdes lane C to SGMII 1.\n");
716                 convert_serdes_mux(LANEC_SGMII1, NEED_RESET);
717         } else if (strcmp(argv[1], "sgmii2") == 0) {
718                 printf("Set serdes lane D to SGMII 2.\n");
719                 convert_serdes_mux(LANED_SGMII2, NEED_RESET);
720         } else if (strcmp(argv[1], "pciex1") == 0) {
721                 printf("Set serdes lane C to PCIe X1.\n");
722                 convert_serdes_mux(LANEC_PCIEX1, NEED_RESET);
723         } else if (strcmp(argv[1], "pciex2") == 0) {
724                 printf("Set serdes lane C & lane D to PCIe X2.\n");
725                 convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET);
726         } else if (strcmp(argv[1], "show") == 0) {
727                 print_serdes_mux();
728         } else {
729                 return CMD_RET_USAGE;
730         }
731
732         return 0;
733 }
734
735 U_BOOT_CMD(
736         lane_bank, 2, 0, serdes_mux_cmd,
737         "Multiplexed function setting for SerDes Lanes",
738         "sata\n"
739         "       -change lane B to sata\n"
740         "lane_bank sgmii1b\n"
741         "       -change lane B to SGMII1\n"
742         "lane_bank sgmii1c\n"
743         "       -change lane C to SGMII1\n"
744         "lane_bank sgmii2\n"
745         "       -change lane D to SGMII2\n"
746         "lane_bank pciex1\n"
747         "       -change lane C to PCIeX1\n"
748         "lane_bank pciex2\n"
749         "       -change lane C & lane D to PCIeX2\n"
750         "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n"
751 );
752 #endif