Merge tag 'efi-2020-07-rc6' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
[oweals/u-boot.git] / board / toradex / colibri_vf / colibri_vf.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2015-2019 Toradex, Inc.
4  *
5  * Based on vf610twr.c:
6  * Copyright 2013 Freescale Semiconductor, Inc.
7  */
8
9 #include <common.h>
10 #include <init.h>
11
12 #include <asm/arch/clock.h>
13 #include <asm/arch/crm_regs.h>
14 #include <asm/arch/ddrmc-vf610.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/iomux-vf610.h>
17 #include <asm/gpio.h>
18 #include <asm/io.h>
19 #include <env.h>
20 #include <fdt_support.h>
21 #include <fsl_dcu_fb.h>
22 #include <g_dnl.h>
23 #include <jffs2/load_kernel.h>
24 #include <mtd_node.h>
25 #include <usb.h>
26
27 #include "../common/tdx-common.h"
28
29 DECLARE_GLOBAL_DATA_PTR;
30
31 #define PTC0_GPIO_45            45
32
33 static struct ddrmc_cr_setting colibri_vf_cr_settings[] = {
34         { DDRMC_CR79_CTLUPD_AREF(1), 79 },
35         /* sets manual values for read lvl. (gate) delay of data slice 0/1 */
36         { DDRMC_CR105_RDLVL_DL_0(28), 105 },
37         { DDRMC_CR106_RDLVL_GTDL_0(24), 106 },
38         { DDRMC_CR110_RDLVL_DL_1(28) | DDRMC_CR110_RDLVL_GTDL_1(24), 110 },
39         { DDRMC_CR102_RDLVL_GT_REGEN | DDRMC_CR102_RDLVL_REG_EN, 102 },
40
41         /* AXI */
42         { DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
43         { DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
44         { DDRMC_CR120_AXI0_PRI1_RPRI(2) |
45                    DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
46         { DDRMC_CR121_AXI0_PRI3_RPRI(2) |
47                    DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
48         { DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
49                    DDRMC_CR122_AXI0_PRIRLX(100), 122 },
50         { DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
51                    DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
52         { DDRMC_CR124_AXI1_PRIRLX(100), 124 },
53         { DDRMC_CR126_PHY_RDLAT(8), 126 },
54         { DDRMC_CR132_WRLAT_ADJ(5) |
55                    DDRMC_CR132_RDLAT_ADJ(6), 132 },
56         { DDRMC_CR137_PHYCTL_DL(2), 137 },
57         { DDRMC_CR138_PHY_WRLV_MXDL(256) |
58                    DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
59         { DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
60                    DDRMC_CR139_PHY_WRLV_DLL(3) |
61                    DDRMC_CR139_PHY_WRLV_EN(3), 139 },
62         { DDRMC_CR140_PHY_WRLV_WW(64), 140 },
63         { DDRMC_CR143_RDLV_GAT_MXDL(1536) |
64                    DDRMC_CR143_RDLV_MXDL(128), 143 },
65         { DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
66                    DDRMC_CR144_PHY_RDLV_DLL(3) |
67                    DDRMC_CR144_PHY_RDLV_EN(3), 144 },
68         { DDRMC_CR145_PHY_RDLV_RR(64), 145 },
69         { DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
70         { DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
71         { DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
72         { DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
73                    DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
74
75         { DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
76                    DDRMC_CR154_PAD_ZQ_MODE(1) |
77                    DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
78                    DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 },
79         { DDRMC_CR155_PAD_ODT_BYTE1(2) | DDRMC_CR155_PAD_ODT_BYTE0(2), 155 },
80         { DDRMC_CR158_TWR(6), 158 },
81         { DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
82                    DDRMC_CR161_TODTH_WR(2), 161 },
83         /* end marker */
84         { 0, -1 }
85 };
86
87 int dram_init(void)
88 {
89         static const struct ddr3_jedec_timings timings = {
90                 .tinit             = 5,
91                 .trst_pwron        = 80000,
92                 .cke_inactive      = 200000,
93                 .wrlat             = 5,
94                 .caslat_lin        = 12,
95                 .trc               = 21,
96                 .trrd              = 4,
97                 .tccd              = 4,
98                 .tbst_int_interval = 0,
99                 .tfaw              = 20,
100                 .trp               = 6,
101                 .twtr              = 4,
102                 .tras_min          = 15,
103                 .tmrd              = 4,
104                 .trtp              = 4,
105                 .tras_max          = 28080,
106                 .tmod              = 12,
107                 .tckesr            = 4,
108                 .tcke              = 3,
109                 .trcd_int          = 6,
110                 .tras_lockout      = 0,
111                 .tdal              = 12,
112                 .bstlen            = 3,
113                 .tdll              = 512, /* not applicable since freq. scaling
114                                            * is not used
115                                            */
116                 .trp_ab            = 6,
117                 .tref              = 3120,
118                 .trfc              = 64,
119                 .tref_int          = 0,
120                 .tpdex             = 3,
121                 .txpdll            = 10,
122                 .txsnr             = 68,  /* changed to conform to JEDEC
123                                            * specifications
124                                            */
125                 .txsr              = 506, /* changed to conform to JEDEC
126                                            * specifications
127                                            */
128                 .cksrx             = 5,
129                 .cksre             = 5,
130                 .freq_chg_en       = 0,
131                 .zqcl              = 256,
132                 .zqinit            = 512,
133                 .zqcs              = 64,
134                 .ref_per_zq        = 64,
135                 .zqcs_rotate       = 0,
136                 .aprebit           = 10,
137                 .cmd_age_cnt       = 64,
138                 .age_cnt           = 64,
139                 .q_fullness        = 7,
140                 .odt_rd_mapcs0     = 0,
141                 .odt_wr_mapcs0     = 1,
142                 .wlmrd             = 40,
143                 .wldqsen           = 25,
144         };
145
146         ddrmc_ctrl_init_ddr3(&timings, colibri_vf_cr_settings, NULL, 1, 2);
147         gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
148
149         return 0;
150 }
151
152 #ifdef CONFIG_VYBRID_GPIO
153 static void setup_iomux_gpio(void)
154 {
155         static const iomux_v3_cfg_t gpio_pads[] = {
156                 VF610_PAD_PTA17__GPIO_7,
157                 VF610_PAD_PTA20__GPIO_10,
158                 VF610_PAD_PTA21__GPIO_11,
159                 VF610_PAD_PTA30__GPIO_20,
160                 VF610_PAD_PTA31__GPIO_21,
161                 VF610_PAD_PTB0__GPIO_22,
162                 VF610_PAD_PTB1__GPIO_23,
163                 VF610_PAD_PTB6__GPIO_28,
164                 VF610_PAD_PTB7__GPIO_29,
165                 VF610_PAD_PTB8__GPIO_30,
166                 VF610_PAD_PTB9__GPIO_31,
167                 VF610_PAD_PTB12__GPIO_34,
168                 VF610_PAD_PTB13__GPIO_35,
169                 VF610_PAD_PTB16__GPIO_38,
170                 VF610_PAD_PTB17__GPIO_39,
171                 VF610_PAD_PTB18__GPIO_40,
172                 VF610_PAD_PTB21__GPIO_43,
173                 VF610_PAD_PTB22__GPIO_44,
174                 VF610_PAD_PTC0__GPIO_45,
175                 VF610_PAD_PTC1__GPIO_46,
176                 VF610_PAD_PTC2__GPIO_47,
177                 VF610_PAD_PTC3__GPIO_48,
178                 VF610_PAD_PTC4__GPIO_49,
179                 VF610_PAD_PTC5__GPIO_50,
180                 VF610_PAD_PTC6__GPIO_51,
181                 VF610_PAD_PTC7__GPIO_52,
182                 VF610_PAD_PTC8__GPIO_53,
183                 VF610_PAD_PTD31__GPIO_63,
184                 VF610_PAD_PTD30__GPIO_64,
185                 VF610_PAD_PTD29__GPIO_65,
186                 VF610_PAD_PTD28__GPIO_66,
187                 VF610_PAD_PTD27__GPIO_67,
188                 VF610_PAD_PTD26__GPIO_68,
189                 VF610_PAD_PTD25__GPIO_69,
190                 VF610_PAD_PTD24__GPIO_70,
191                 VF610_PAD_PTD9__GPIO_88,
192                 VF610_PAD_PTD10__GPIO_89,
193                 VF610_PAD_PTD11__GPIO_90,
194                 VF610_PAD_PTD12__GPIO_91,
195                 VF610_PAD_PTD13__GPIO_92,
196                 VF610_PAD_PTB23__GPIO_93,
197                 VF610_PAD_PTB26__GPIO_96,
198                 VF610_PAD_PTB28__GPIO_98,
199                 VF610_PAD_PTC30__GPIO_103,
200                 VF610_PAD_PTA7__GPIO_134,
201         };
202
203         imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
204 }
205 #endif
206
207 #ifdef CONFIG_VIDEO_FSL_DCU_FB
208 static void setup_iomux_fsl_dcu(void)
209 {
210         static const iomux_v3_cfg_t dcu0_pads[] = {
211                 VF610_PAD_PTE0__DCU0_HSYNC,
212                 VF610_PAD_PTE1__DCU0_VSYNC,
213                 VF610_PAD_PTE2__DCU0_PCLK,
214                 VF610_PAD_PTE4__DCU0_DE,
215                 VF610_PAD_PTE5__DCU0_R0,
216                 VF610_PAD_PTE6__DCU0_R1,
217                 VF610_PAD_PTE7__DCU0_R2,
218                 VF610_PAD_PTE8__DCU0_R3,
219                 VF610_PAD_PTE9__DCU0_R4,
220                 VF610_PAD_PTE10__DCU0_R5,
221                 VF610_PAD_PTE11__DCU0_R6,
222                 VF610_PAD_PTE12__DCU0_R7,
223                 VF610_PAD_PTE13__DCU0_G0,
224                 VF610_PAD_PTE14__DCU0_G1,
225                 VF610_PAD_PTE15__DCU0_G2,
226                 VF610_PAD_PTE16__DCU0_G3,
227                 VF610_PAD_PTE17__DCU0_G4,
228                 VF610_PAD_PTE18__DCU0_G5,
229                 VF610_PAD_PTE19__DCU0_G6,
230                 VF610_PAD_PTE20__DCU0_G7,
231                 VF610_PAD_PTE21__DCU0_B0,
232                 VF610_PAD_PTE22__DCU0_B1,
233                 VF610_PAD_PTE23__DCU0_B2,
234                 VF610_PAD_PTE24__DCU0_B3,
235                 VF610_PAD_PTE25__DCU0_B4,
236                 VF610_PAD_PTE26__DCU0_B5,
237                 VF610_PAD_PTE27__DCU0_B6,
238                 VF610_PAD_PTE28__DCU0_B7,
239         };
240
241         imx_iomux_v3_setup_multiple_pads(dcu0_pads, ARRAY_SIZE(dcu0_pads));
242 }
243
244 static void setup_tcon(void)
245 {
246         setbits_le32(TCON0_BASE_ADDR, (1 << 29));
247 }
248 #endif
249
250 static inline int is_colibri_vf61(void)
251 {
252         struct mscm *mscm = (struct mscm *)MSCM_BASE_ADDR;
253
254         /*
255          * Detect board type by Level 2 Cache: VF50 don't have any
256          * Level 2 Cache.
257          */
258         return !!mscm->cpxcfg1;
259 }
260
261 static void clock_init(void)
262 {
263         struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
264         struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
265         u32 pfd_clk_sel, ddr_clk_sel;
266
267         clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
268                         CCM_CCGR0_UART0_CTRL_MASK);
269 #ifdef CONFIG_FSL_DSPI
270         setbits_le32(&ccm->ccgr0, CCM_CCGR0_DSPI1_CTRL_MASK);
271 #endif
272         clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
273                         CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
274         clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
275                         CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
276                         CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
277                         CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK);
278         clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
279                         CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
280         clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
281                         CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
282                         CCM_CCGR4_GPC_CTRL_MASK);
283         clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
284                         CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
285         clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
286                         CCM_CCGR7_SDHC1_CTRL_MASK);
287         clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
288                         CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
289         clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
290                         CCM_CCGR10_NFC_CTRL_MASK);
291
292 #ifdef CONFIG_USB_EHCI_VF
293         setbits_le32(&ccm->ccgr1, CCM_CCGR1_USBC0_CTRL_MASK);
294         setbits_le32(&ccm->ccgr7, CCM_CCGR7_USBC1_CTRL_MASK);
295
296         clrsetbits_le32(&anadig->pll3_ctrl, ANADIG_PLL3_CTRL_BYPASS |
297                         ANADIG_PLL3_CTRL_POWERDOWN |
298                         ANADIG_PLL3_CTRL_DIV_SELECT,
299                         ANADIG_PLL3_CTRL_ENABLE);
300         clrsetbits_le32(&anadig->pll7_ctrl, ANADIG_PLL7_CTRL_BYPASS |
301                         ANADIG_PLL7_CTRL_POWERDOWN |
302                         ANADIG_PLL7_CTRL_DIV_SELECT,
303                         ANADIG_PLL7_CTRL_ENABLE);
304 #endif
305
306         clrsetbits_le32(&anadig->pll5_ctrl, ANADIG_PLL5_CTRL_BYPASS |
307                         ANADIG_PLL5_CTRL_POWERDOWN, ANADIG_PLL5_CTRL_ENABLE |
308                         ANADIG_PLL5_CTRL_DIV_SELECT);
309
310         if (is_colibri_vf61()) {
311                 clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL5_CTRL_BYPASS |
312                                 ANADIG_PLL2_CTRL_POWERDOWN,
313                                 ANADIG_PLL2_CTRL_ENABLE |
314                                 ANADIG_PLL2_CTRL_DIV_SELECT);
315         }
316
317         clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
318                         ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
319
320         clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
321                         CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
322
323         /* See "Typical PLL Configuration" */
324         if (is_colibri_vf61()) {
325                 pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(1);
326                 ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(0);
327         } else {
328                 pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(3);
329                 ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(1);
330         }
331
332         clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK, pfd_clk_sel |
333                         CCM_CCSR_PLL2_PFD4_EN | CCM_CCSR_PLL2_PFD3_EN |
334                         CCM_CCSR_PLL2_PFD2_EN | CCM_CCSR_PLL2_PFD1_EN |
335                         CCM_CCSR_PLL1_PFD4_EN | CCM_CCSR_PLL1_PFD3_EN |
336                         CCM_CCSR_PLL1_PFD2_EN | CCM_CCSR_PLL1_PFD1_EN |
337                         ddr_clk_sel | CCM_CCSR_FAST_CLK_SEL(1) |
338                         CCM_CCSR_SYS_CLK_SEL(4));
339
340         clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
341                         CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
342                         CCM_CACRR_ARM_CLK_DIV(0));
343         clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
344                         CCM_CSCMR1_ESDHC1_CLK_SEL(3) |
345                         CCM_CSCMR1_NFC_CLK_SEL(0));
346         clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
347                         CCM_CSCDR1_RMII_CLK_EN);
348         clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
349                         CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
350                         CCM_CSCDR2_NFC_EN);
351         clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
352                         CCM_CSCDR3_NFC_PRE_DIV(3));
353         clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
354                         CCM_CSCMR2_RMII_CLK_SEL(2));
355
356 #ifdef CONFIG_VIDEO_FSL_DCU_FB
357                 setbits_le32(&ccm->ccgr1, CCM_CCGR1_TCON0_CTRL_MASK);
358                 setbits_le32(&ccm->ccgr3, CCM_CCGR3_DCU0_CTRL_MASK);
359 #endif
360 }
361
362 static void mscm_init(void)
363 {
364         struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
365         int i;
366
367         for (i = 0; i < MSCM_IRSPRC_NUM; i++)
368                 writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
369 }
370
371 int board_early_init_f(void)
372 {
373         clock_init();
374         mscm_init();
375
376 #ifdef CONFIG_VYBRID_GPIO
377         setup_iomux_gpio();
378 #endif
379
380 #ifdef CONFIG_VIDEO_FSL_DCU_FB
381         setup_tcon();
382         setup_iomux_fsl_dcu();
383 #endif
384
385         return 0;
386 }
387
388 #ifdef CONFIG_BOARD_LATE_INIT
389 int board_late_init(void)
390 {
391         struct src *src = (struct src *)SRC_BASE_ADDR;
392
393         if (((src->sbmr2 & SRC_SBMR2_BMOD_MASK) >> SRC_SBMR2_BMOD_SHIFT)
394                         == SRC_SBMR2_BMOD_SERIAL) {
395                 printf("Serial Downloader recovery mode, disable autoboot\n");
396                 env_set("bootdelay", "-1");
397         }
398
399         return 0;
400 }
401 #endif /* CONFIG_BOARD_LATE_INIT */
402
403 int board_init(void)
404 {
405         struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
406
407         /* address of boot parameters */
408         gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
409
410         /*
411          * Enable external 32K Oscillator
412          *
413          * The internal clock experiences significant drift
414          * so we must use the external oscillator in order
415          * to maintain correct time in the hwclock
416          */
417         setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
418
419         return 0;
420 }
421
422 int checkboard(void)
423 {
424         if (is_colibri_vf61())
425                 puts("Model: Toradex Colibri VF61\n");
426         else
427                 puts("Model: Toradex Colibri VF50\n");
428
429         return 0;
430 }
431
432 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
433 int ft_board_setup(void *blob, bd_t *bd)
434 {
435 #ifndef CONFIG_DM_VIDEO
436         int ret = 0;
437 #endif
438 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
439         static const struct node_info nodes[] = {
440                 { "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
441         };
442
443         /* Update partition nodes using info from mtdparts env var */
444         puts("   Updating MTD partitions...\n");
445         fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
446 #endif
447 #if defined(CONFIG_VIDEO_FSL_DCU_FB) && !defined(CONFIG_DM_VIDEO)
448         ret = fsl_dcu_fixedfb_setup(blob);
449         if (ret)
450                 return ret;
451 #endif
452
453         return ft_common_board_setup(blob, bd);
454 }
455 #endif
456
457 /*
458  * Backlight off before OS handover
459  */
460 void board_preboot_os(void)
461 {
462         gpio_request(PTC0_GPIO_45, "BL_ON");
463         gpio_direction_output(PTC0_GPIO_45, 0);
464 }