2 * Copyright 2014 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/immap_ls102xa.h>
11 #include <asm/arch/clock.h>
12 #include <asm/arch/fsl_serdes.h>
14 #include <fsl_esdhc.h>
20 DECLARE_GLOBAL_DATA_PTR;
22 #define VERSION_MASK 0x00FF
23 #define BANK_MASK 0x0001
24 #define CONFIG_RESET 0x1
25 #define INIT_RESET 0x1
27 #define CPLD_SET_MUX_SERDES 0x20
28 #define CPLD_SET_BOOT_BANK 0x40
30 #define BOOT_FROM_UPPER_BANK 0x0
31 #define BOOT_FROM_LOWER_BANK 0x1
33 #define LANEB_SATA (0x01)
34 #define LANEB_SGMII1 (0x02)
35 #define LANEC_SGMII1 (0x04)
36 #define LANEC_PCIEX1 (0x08)
37 #define LANED_PCIEX2 (0x10)
38 #define LANED_SGMII2 (0x20)
40 #define MASK_LANE_B 0x1
41 #define MASK_LANE_C 0x2
42 #define MASK_LANE_D 0x4
43 #define MASK_SGMII 0x8
45 #define KEEP_STATUS 0x0
46 #define NEED_RESET 0x1
49 u8 cpld_ver; /* cpld revision */
50 u8 cpld_ver_sub; /* cpld sub revision */
51 u8 pcba_ver; /* pcb revision number */
52 u8 system_rst; /* reset system by cpld */
53 u8 soft_mux_on; /* CPLD override physical switches Enable */
54 u8 cfg_rcw_src1; /* Reset config word 1 */
55 u8 cfg_rcw_src2; /* Reset config word 2 */
56 u8 vbank; /* Flash bank selection Control */
57 u8 gpio; /* GPIO for TWR-ELEV */
60 u8 can3_usb2_mux; /* CAN3 and USB2 Selection */
61 u8 qe_lcd_mux; /* QE and LCD Selection */
62 u8 serdes_mux; /* Multiplexed pins for SerDes Lanes */
63 u8 global_rst; /* reset with init CPLD reg to default */
64 u8 rev1; /* Reserved */
65 u8 rev2; /* Reserved */
68 static void convert_serdes_mux(int type, int need_reset);
72 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
74 printf("CPLD: V%x.%x\nPCBA: V%x.0\nVBank: %d\n",
75 in_8(&cpld_data->cpld_ver) & VERSION_MASK,
76 in_8(&cpld_data->cpld_ver_sub) & VERSION_MASK,
77 in_8(&cpld_data->pcba_ver) & VERSION_MASK,
78 in_8(&cpld_data->vbank) & BANK_MASK);
81 printf("soft_mux_on =%x\n",
82 in_8(&cpld_data->soft_mux_on));
83 printf("cfg_rcw_src1 =%x\n",
84 in_8(&cpld_data->cfg_rcw_src1));
85 printf("cfg_rcw_src2 =%x\n",
86 in_8(&cpld_data->cfg_rcw_src2));
88 in_8(&cpld_data->vbank));
90 in_8(&cpld_data->gpio));
91 printf("i2c3_ifc_mux =%x\n",
92 in_8(&cpld_data->i2c3_ifc_mux));
93 printf("mux_spi2 =%x\n",
94 in_8(&cpld_data->mux_spi2));
95 printf("can3_usb2_mux =%x\n",
96 in_8(&cpld_data->can3_usb2_mux));
97 printf("qe_lcd_mux =%x\n",
98 in_8(&cpld_data->qe_lcd_mux));
99 printf("serdes_mux =%x\n",
100 in_8(&cpld_data->serdes_mux));
106 puts("Board: LS1021ATWR\n");
112 void ddrmc_init(void)
114 struct ccsr_ddr *ddr = (struct ccsr_ddr *)CONFIG_SYS_FSL_DDR_ADDR;
116 out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG);
118 out_be32(&ddr->cs0_bnds, DDR_CS0_BNDS);
119 out_be32(&ddr->cs0_config, DDR_CS0_CONFIG);
121 out_be32(&ddr->timing_cfg_0, DDR_TIMING_CFG_0);
122 out_be32(&ddr->timing_cfg_1, DDR_TIMING_CFG_1);
123 out_be32(&ddr->timing_cfg_2, DDR_TIMING_CFG_2);
124 out_be32(&ddr->timing_cfg_3, DDR_TIMING_CFG_3);
125 out_be32(&ddr->timing_cfg_4, DDR_TIMING_CFG_4);
126 out_be32(&ddr->timing_cfg_5, DDR_TIMING_CFG_5);
128 out_be32(&ddr->sdram_cfg_2, DDR_SDRAM_CFG_2);
130 out_be32(&ddr->sdram_mode, DDR_SDRAM_MODE);
131 out_be32(&ddr->sdram_mode_2, DDR_SDRAM_MODE_2);
133 out_be32(&ddr->sdram_interval, DDR_SDRAM_INTERVAL);
135 out_be32(&ddr->ddr_wrlvl_cntl, DDR_DDR_WRLVL_CNTL);
137 out_be32(&ddr->ddr_wrlvl_cntl_2, DDR_DDR_WRLVL_CNTL_2);
138 out_be32(&ddr->ddr_wrlvl_cntl_3, DDR_DDR_WRLVL_CNTL_3);
140 out_be32(&ddr->ddr_cdr1, DDR_DDR_CDR1);
141 out_be32(&ddr->ddr_cdr2, DDR_DDR_CDR2);
143 out_be32(&ddr->sdram_clk_cntl, DDR_SDRAM_CLK_CNTL);
144 out_be32(&ddr->ddr_zq_cntl, DDR_DDR_ZQ_CNTL);
146 out_be32(&ddr->cs0_config_2, DDR_CS0_CONFIG_2);
148 out_be32(&ddr->sdram_cfg, DDR_SDRAM_CFG | DDR_SDRAM_CFG_MEM_EN);
153 #if (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
157 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
161 #ifdef CONFIG_FSL_ESDHC
162 struct fsl_esdhc_cfg esdhc_cfg[1] = {
163 {CONFIG_SYS_FSL_ESDHC_ADDR},
166 int board_mmc_init(bd_t *bis)
168 esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
170 return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
174 #ifdef CONFIG_TSEC_ENET
175 int board_eth_init(bd_t *bis)
177 struct fsl_pq_mdio_info mdio_info;
178 struct tsec_info_struct tsec_info[4];
182 SET_STD_TSEC_INFO(tsec_info[num], 1);
183 if (is_serdes_configured(SGMII_TSEC1)) {
184 puts("eTSEC1 is in sgmii mode.\n");
185 tsec_info[num].flags |= TSEC_SGMII;
190 SET_STD_TSEC_INFO(tsec_info[num], 2);
191 if (is_serdes_configured(SGMII_TSEC2)) {
192 puts("eTSEC2 is in sgmii mode.\n");
193 tsec_info[num].flags |= TSEC_SGMII;
198 SET_STD_TSEC_INFO(tsec_info[num], 3);
202 printf("No TSECs initialized\n");
206 mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
207 mdio_info.name = DEFAULT_MII_NAME;
208 fsl_pq_mdio_init(bis, &mdio_info);
210 tsec_eth_init(bis, tsec_info, num);
212 return pci_eth_init(bis);
216 int config_serdes_mux(void)
218 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
219 u32 protocol = in_be32(&gur->rcwsr[4]) & RCWSR4_SRDS1_PRTCL_MASK;
221 protocol >>= RCWSR4_SRDS1_PRTCL_SHIFT;
224 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
225 convert_serdes_mux(LANED_PCIEX2 |
226 LANEC_PCIEX1, KEEP_STATUS);
229 convert_serdes_mux(LANEB_SGMII1, KEEP_STATUS);
230 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
231 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
234 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
235 convert_serdes_mux(LANEC_SGMII1, KEEP_STATUS);
236 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
239 convert_serdes_mux(LANEB_SATA, KEEP_STATUS);
240 convert_serdes_mux(LANEC_PCIEX1, KEEP_STATUS);
241 convert_serdes_mux(LANED_SGMII2, KEEP_STATUS);
248 int board_early_init_f(void)
250 struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
252 #ifdef CONFIG_TSEC_ENET
253 out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_REV);
254 out_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR);
255 out_be32(&scfg->etsecmcr, SCFG_ETSECCMCR_GE2_CLK125);
257 out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_NOREV);
260 #ifdef CONFIG_FSL_IFC
261 init_early_memctl_regs();
264 #ifdef CONFIG_FSL_DCU_FB
265 out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_REV);
266 out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
267 out_be32(&scfg->scfgrevcr, SCFG_SCFGREVCR_NOREV);
275 #ifndef CONFIG_SYS_FSL_NO_SERDES
283 void ft_board_setup(void *blob, bd_t *bd)
285 ft_cpu_setup(blob, bd);
288 u8 flash_read8(void *addr)
290 return __raw_readb(addr + 1);
293 void flash_write16(u16 val, void *addr)
295 u16 shftval = (((val >> 8) & 0xff) | ((val << 8) & 0xff00));
297 __raw_writew(shftval, addr);
300 u16 flash_read16(void *addr)
302 u16 val = __raw_readw(addr);
304 return (((val) >> 8) & 0x00ff) | (((val) << 8) & 0xff00);
307 static void convert_flash_bank(char bank)
309 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
311 printf("Now switch to boot from flash bank %d.\n", bank);
312 cpld_data->soft_mux_on = CPLD_SET_BOOT_BANK;
313 cpld_data->vbank = bank;
315 printf("Reset board to enable configuration.\n");
316 cpld_data->system_rst = CONFIG_RESET;
319 static int flash_bank_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
323 return CMD_RET_USAGE;
324 if (strcmp(argv[1], "0") == 0)
325 convert_flash_bank(BOOT_FROM_UPPER_BANK);
326 else if (strcmp(argv[1], "1") == 0)
327 convert_flash_bank(BOOT_FROM_LOWER_BANK);
329 return CMD_RET_USAGE;
335 boot_bank, 2, 0, flash_bank_cmd,
336 "Flash bank Selection Control",
337 "bank[0-upper bank/1-lower bank] (e.g. boot_bank 0)"
340 static int cpld_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
343 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
346 return CMD_RET_USAGE;
347 if ((argc == 1) || (strcmp(argv[1], "conf") == 0))
348 cpld_data->system_rst = CONFIG_RESET;
349 else if (strcmp(argv[1], "init") == 0)
350 cpld_data->global_rst = INIT_RESET;
352 return CMD_RET_USAGE;
358 cpld_reset, 2, 0, cpld_reset_cmd,
361 " -reset with current CPLD configuration\n"
363 " -reset and initial CPLD configuration with default value"
367 static void convert_serdes_mux(int type, int need_reset)
370 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
372 current_serdes = cpld_data->serdes_mux;
376 current_serdes &= ~MASK_LANE_B;
379 current_serdes |= (MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
382 current_serdes &= ~(MASK_LANE_B | MASK_SGMII | MASK_LANE_C);
385 current_serdes |= MASK_LANE_D;
388 current_serdes |= MASK_LANE_C;
390 case (LANED_PCIEX2 | LANEC_PCIEX1):
391 current_serdes |= MASK_LANE_C;
392 current_serdes &= ~MASK_LANE_D;
395 printf("CPLD serdes MUX: unsupported MUX type 0x%x\n", type);
399 cpld_data->soft_mux_on |= CPLD_SET_MUX_SERDES;
400 cpld_data->serdes_mux = current_serdes;
402 if (need_reset == 1) {
403 printf("Reset board to enable configuration\n");
404 cpld_data->system_rst = CONFIG_RESET;
408 void print_serdes_mux(void)
411 struct cpld_data *cpld_data = (void *)(CONFIG_SYS_CPLD_BASE);
413 current_serdes = cpld_data->serdes_mux;
415 printf("Serdes Lane B: ");
416 if ((current_serdes & MASK_LANE_B) == 0)
419 printf("SGMII 1,\n");
421 printf("Serdes Lane C: ");
422 if ((current_serdes & MASK_LANE_C) == 0)
423 printf("SGMII 1,\n");
427 printf("Serdes Lane D: ");
428 if ((current_serdes & MASK_LANE_D) == 0)
431 printf("SGMII 2,\n");
433 printf("SGMII 1 is on lane ");
434 if ((current_serdes & MASK_SGMII) == 0)
440 static int serdes_mux_cmd(cmd_tbl_t *cmdtp, int flag, int argc,
444 return CMD_RET_USAGE;
445 if (strcmp(argv[1], "sata") == 0) {
446 printf("Set serdes lane B to SATA.\n");
447 convert_serdes_mux(LANEB_SATA, NEED_RESET);
448 } else if (strcmp(argv[1], "sgmii1b") == 0) {
449 printf("Set serdes lane B to SGMII 1.\n");
450 convert_serdes_mux(LANEB_SGMII1, NEED_RESET);
451 } else if (strcmp(argv[1], "sgmii1c") == 0) {
452 printf("Set serdes lane C to SGMII 1.\n");
453 convert_serdes_mux(LANEC_SGMII1, NEED_RESET);
454 } else if (strcmp(argv[1], "sgmii2") == 0) {
455 printf("Set serdes lane D to SGMII 2.\n");
456 convert_serdes_mux(LANED_SGMII2, NEED_RESET);
457 } else if (strcmp(argv[1], "pciex1") == 0) {
458 printf("Set serdes lane C to PCIe X1.\n");
459 convert_serdes_mux(LANEC_PCIEX1, NEED_RESET);
460 } else if (strcmp(argv[1], "pciex2") == 0) {
461 printf("Set serdes lane C & lane D to PCIe X2.\n");
462 convert_serdes_mux((LANED_PCIEX2 | LANEC_PCIEX1), NEED_RESET);
463 } else if (strcmp(argv[1], "show") == 0) {
466 return CMD_RET_USAGE;
473 lane_bank, 2, 0, serdes_mux_cmd,
474 "Multiplexed function setting for SerDes Lanes",
476 " -change lane B to sata\n"
477 "lane_bank sgmii1b\n"
478 " -change lane B to SGMII1\n"
479 "lane_bank sgmii1c\n"
480 " -change lane C to SGMII1\n"
482 " -change lane D to SGMII2\n"
484 " -change lane C to PCIeX1\n"
486 " -change lane C & lane D to PCIeX2\n"
487 "\nWARNING: If you aren't familiar with the setting of serdes, don't try to change anything!\n"