4 * common board functions for B&R boards
7 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
9 * SPDX-License-Identifier: GPL-2.0+
16 #include <asm/arch/cpu.h>
17 #include <asm/arch/hardware.h>
18 #include <asm/arch/omap.h>
19 #include <asm/arch/clock.h>
20 #include <asm/arch/gpio.h>
21 #include <asm/arch/sys_proto.h>
22 #include <asm/arch/mmc_host_def.h>
28 #include <power/tps65217.h>
32 #include <fdt_support.h>
34 #include "bur_common.h"
35 #include "../../../drivers/video/am335x-fb.h"
37 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
39 DECLARE_GLOBAL_DATA_PTR;
42 #define FDTPROP(a, b, c) fdt_getprop_u32_default((void *)a, b, c, ~0UL)
43 #define PATHTIM "/panel/display-timings/default"
44 #define PATHINF "/panel/panel-info"
46 /* --------------------------------------------------------------------------*/
47 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
48 !defined(CONFIG_SPL_BUILD)
49 int load_lcdtiming(struct am335x_lcdpanel *panel)
51 struct am335x_lcdpanel pnltmp;
53 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
56 if (dtbaddr == ~0UL) {
57 puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
60 memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
62 pnltmp.hactive = FDTPROP(dtbaddr, PATHTIM, "hactive");
63 pnltmp.vactive = FDTPROP(dtbaddr, PATHTIM, "vactive");
64 pnltmp.bpp = FDTPROP(dtbaddr, PATHINF, "bpp");
65 pnltmp.hfp = FDTPROP(dtbaddr, PATHTIM, "hfront-porch");
66 pnltmp.hbp = FDTPROP(dtbaddr, PATHTIM, "hback-porch");
67 pnltmp.hsw = FDTPROP(dtbaddr, PATHTIM, "hsync-len");
68 pnltmp.vfp = FDTPROP(dtbaddr, PATHTIM, "vfront-porch");
69 pnltmp.vbp = FDTPROP(dtbaddr, PATHTIM, "vback-porch");
70 pnltmp.vsw = FDTPROP(dtbaddr, PATHTIM, "vsync-len");
71 pnltmp.pup_delay = FDTPROP(dtbaddr, PATHTIM, "pupdelay");
72 pnltmp.pon_delay = FDTPROP(dtbaddr, PATHTIM, "pondelay");
74 /* calc. proper clk-divisor */
75 dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
77 pnltmp.pxl_clk_div = 192000000 / dtbprop;
79 pnltmp.pxl_clk_div = ~0UL;
81 /* check polarity of control-signals */
82 dtbprop = FDTPROP(dtbaddr, PATHTIM, "hsync-active");
84 pnltmp.pol |= HSYNC_INVERT;
85 dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
87 pnltmp.pol |= VSYNC_INVERT;
88 dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
90 pnltmp.pol |= HSVS_CONTROL;
91 dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
93 pnltmp.pol |= HSVS_RISEFALL;
94 dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
96 pnltmp.pol |= PXCLK_INVERT;
97 dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
99 pnltmp.pol |= DE_INVERT;
101 pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
102 pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
103 pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
104 pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
105 pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
106 pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
107 pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
108 pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
109 pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
110 pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
111 pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
112 pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
113 pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
116 ~0UL == (pnltmp.hactive) ||
117 ~0UL == (pnltmp.vactive) ||
118 ~0UL == (pnltmp.bpp) ||
119 ~0UL == (pnltmp.hfp) ||
120 ~0UL == (pnltmp.hbp) ||
121 ~0UL == (pnltmp.hsw) ||
122 ~0UL == (pnltmp.vfp) ||
123 ~0UL == (pnltmp.vbp) ||
124 ~0UL == (pnltmp.vsw) ||
125 ~0UL == (pnltmp.pxl_clk_div) ||
126 ~0UL == (pnltmp.pol) ||
127 ~0UL == (pnltmp.pup_delay) ||
128 ~0UL == (pnltmp.pon_delay)
130 puts("lcd-settings in env/dtb incomplete!\n");
131 printf("display-timings:\n"
145 pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
146 pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
147 pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
148 pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
152 debug("lcd-settings in env complete, taking over.\n");
153 memcpy((void *)panel,
155 sizeof(struct am335x_lcdpanel));
160 #ifdef CONFIG_USE_FDT
161 static int load_devicetree(void)
163 char *dtbname = getenv("dtb");
164 char *dtbdev = getenv("dtbdev");
165 char *dtppart = getenv("dtbpart");
166 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
169 if (!dtbdev || !dtbdev) {
170 puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
174 if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
175 puts("load_devicetree: set_blk_dev failed.\n");
178 if (dtbname && dtbaddr != ~0UL) {
179 if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
180 gd->fdt_blob = (void *)dtbaddr;
181 gd->fdt_size = dtbsize;
182 debug("loaded %d bytes of dtb onto 0x%08x\n",
183 (u32)dtbsize, dtbaddr);
186 puts("load_devicetree: load dtb failed,file does not exist!\n");
189 puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
193 static const char *dtbmacaddr(u32 ifno)
199 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
201 if (dtbaddr == ~0UL) {
202 puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
206 node = fdt_path_offset((void *)dtbaddr, "/aliases");
210 sprintf(enet, "ethernet%d", ifno);
211 path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
213 printf("no alias for %s\n", enet);
217 node = fdt_path_offset((void *)dtbaddr, path);
218 mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
219 if (mac && is_valid_ether_addr((u8 *)mac))
225 static void br_summaryscreen_printdtb(char *prefix,
229 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
230 char buf[32] = { 0 };
231 const char *nodep = buf;
236 if (dtbaddr == ~0UL) {
237 puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
241 if (strcmp(name, "brmac1") == 0) {
242 mac = (char *)dtbmacaddr(0);
244 sprintf(buf, "%pM", mac);
245 } else if (strcmp(name, "brmac2") == 0) {
246 mac = (char *)dtbmacaddr(1);
248 sprintf(buf, "%pM", mac);
250 nodeoffset = fdt_path_offset((void *)dtbaddr,
251 "/factory-settings");
252 if (nodeoffset < 0) {
253 puts("no 'factory-settings' in dtb!\n");
256 nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
258 if (nodep && strlen(nodep) > 1)
259 lcd_printf("%s %s %s", prefix, nodep, suffix);
263 int ft_board_setup(void *blob, bd_t *bd)
267 nodeoffset = fdt_path_offset(blob, "/factory-settings");
268 if (nodeoffset < 0) {
269 puts("set bootloader version 'factory-settings' not in dtb!\n");
272 if (fdt_setprop(blob, nodeoffset, "bl-version",
273 PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
274 puts("set bootloader version 'bl-version' prop. not in dtb!\n");
281 static void br_summaryscreen_printenv(char *prefix,
282 char *name, char *altname,
285 char *envval = getenv(name);
287 lcd_printf("%s %s %s", prefix, envval, suffix);
288 } else if (0 != altname) {
289 envval = getenv(altname);
291 lcd_printf("%s %s %s", prefix, envval, suffix);
297 void br_summaryscreen(void)
299 #ifdef CONFIG_USE_FDT
300 br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
301 br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
302 br_summaryscreen_printdtb(" ", "hw-revision", "\n");
303 br_summaryscreen_printdtb(" MAC (IF1) :", "brmac1", "\n");
304 br_summaryscreen_printdtb(" MAC (IF2) :", "brmac2", "\n");
305 lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
308 br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
309 br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
310 br_summaryscreen_printenv(" MAC (IF1) :", "br_mac1", "ethaddr", "\n");
311 br_summaryscreen_printenv(" MAC (IF2) :", "br_mac2", 0, "\n");
312 lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
317 void lcdpower(int on)
320 #ifdef CONFIG_USE_FDT
321 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
323 if (dtbaddr == ~0UL) {
324 puts("lcdpower: failed to get 'dtbaddr' from env!\n");
327 pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
329 pin = getenv_ulong("ds1_pwr", 16, ~0UL);
332 puts("no pwrpin in dtb/env, cannot powerup display!\n");
336 for (i = 0; i < 3; i++) {
338 swval = pin & 0x80 ? 0 : 1;
340 gpio_direction_output(pin & 0x7F, swval);
342 gpio_direction_output(pin & 0x7F, !swval);
344 debug("switched pin %d to %d\n", pin & 0x7F, swval);
350 vidinfo_t panel_info = {
352 * give full resolution for allocating enough
360 void lcd_ctrl_init(void *lcdbase)
362 struct am335x_lcdpanel lcd_panel;
363 #ifdef CONFIG_USE_FDT
364 /* TODO: is there a better place to load the dtb ? */
367 memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
368 if (load_lcdtiming(&lcd_panel) != 0)
371 lcd_panel.panel_power_ctrl = &lcdpower;
373 if (0 != am335xfb_init(&lcd_panel))
374 printf("ERROR: failed to initialize video!");
376 * modifiy panel info to 'real' resolution, to operate correct with
379 panel_info.vl_col = lcd_panel.hactive;
380 panel_info.vl_row = lcd_panel.vactive;
382 lcd_set_flush_dcache(1);
385 void lcd_enable(void)
387 #ifdef CONFIG_USE_FDT
388 u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
390 if (dtbaddr == ~0UL) {
391 puts("lcdpower: failed to get 'dtbaddr' from env!\n");
394 unsigned int driver = FDTPROP(dtbaddr, PATHINF, "brightdrv");
395 unsigned int bright = FDTPROP(dtbaddr, PATHINF, "brightdef");
396 unsigned int pwmfrq = FDTPROP(dtbaddr, PATHINF, "brightfdim");
398 unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
399 unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
400 unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
403 struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;
405 bright = bright != ~0UL ? bright : 50;
408 case 0: /* PMIC LED-Driver */
409 /* brightness level */
410 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
411 TPS65217_WLEDCTRL2, bright, 0xFF);
413 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
414 TPS65217_WLEDCTRL1, 0x0A, 0xFF);
416 case 1: /* PWM using timer6 */
417 if (pwmfrq != ~0UL) {
418 timerhw->tiocp_cfg = TCFG_RESET;
420 while (timerhw->tiocp_cfg & TCFG_RESET)
422 tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
425 tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
427 timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
428 TCLR_CE | TCLR_AR | TCLR_ST);
430 puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
434 puts("no suitable backlightdriver in env/dtb!\n");
439 #elif CONFIG_SPL_BUILD
441 #error "LCD-support with a suitable FB-Driver is mandatory !"
442 #endif /* CONFIG_LCD */
444 #ifdef CONFIG_SPL_BUILD
445 void pmicsetup(u32 mpupll)
450 if (i2c_probe(TPS65217_CHIP_PM)) {
451 puts("PMIC (0x24) not found! skip further initalization.\n");
455 /* Get the frequency which is defined by device fuses */
456 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
457 printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
460 dpll_mpu_opp100.m = MPUPLL_M_1000;
461 printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
466 * Increase USB current limit to 1300mA or 1800mA and set
467 * the MPU voltage controller as needed.
469 if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
470 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
471 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
473 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
474 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
477 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
478 usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
479 puts("tps65217_reg_write failure\n");
481 /* Set DCDC3 (CORE) voltage to 1.125V */
482 if (tps65217_voltage_update(TPS65217_DEFDCDC3,
483 TPS65217_DCDC_VOLT_SEL_1125MV)) {
484 puts("tps65217_voltage_update failure\n");
488 /* Set CORE Frequencies to OPP100 */
489 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
491 /* Set DCDC2 (MPU) voltage */
492 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
493 puts("tps65217_voltage_update failure\n");
497 /* Set LDO3 to 1.8V */
498 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
500 TPS65217_LDO_VOLTAGE_OUT_1_8,
502 puts("tps65217_reg_write failure\n");
503 /* Set LDO4 to 3.3V */
504 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
506 TPS65217_LDO_VOLTAGE_OUT_3_3,
508 puts("tps65217_reg_write failure\n");
510 /* Set MPU Frequency to what we detected now that voltages are set */
511 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
512 /* Set PWR_EN bit in Status Register */
513 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
514 TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
517 void set_uart_mux_conf(void)
519 enable_uart0_pin_mux();
522 void set_mux_conf_regs(void)
524 enable_board_pin_mux();
527 #endif /* CONFIG_SPL_BUILD */
529 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
530 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
531 static void cpsw_control(int enabled)
533 /* VTP can be added here */
537 /* describing port offsets of TI's CPSW block */
538 static struct cpsw_slave_data cpsw_slaves[] = {
540 .slave_reg_ofs = 0x208,
541 .sliver_reg_ofs = 0xd80,
545 .slave_reg_ofs = 0x308,
546 .sliver_reg_ofs = 0xdc0,
551 static struct cpsw_platform_data cpsw_data = {
552 .mdio_base = CPSW_MDIO_BASE,
553 .cpsw_base = CPSW_BASE,
556 .cpdma_reg_ofs = 0x800,
558 .slave_data = cpsw_slaves,
559 .ale_reg_ofs = 0xd00,
561 .host_port_reg_ofs = 0x108,
562 .hw_stats_reg_ofs = 0x900,
563 .bd_ram_ofs = 0x2000,
564 .mac_control = (1 << 5),
565 .control = cpsw_control,
567 .version = CPSW_CTRL_VERSION_2,
569 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
571 #if defined(CONFIG_DRIVER_TI_CPSW)
573 int board_eth_init(bd_t *bis)
578 uint32_t mac_hi, mac_lo;
579 /* try reading mac address from efuse */
580 mac_lo = readl(&cdev->macid0l);
581 mac_hi = readl(&cdev->macid0h);
582 mac_addr[0] = mac_hi & 0xFF;
583 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
584 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
585 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
586 mac_addr[4] = mac_lo & 0xFF;
587 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
589 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
590 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
591 if (!getenv("ethaddr")) {
592 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
593 printf("<ethaddr> not set. trying DTB ... ");
597 printf("<ethaddr> not set. validating E-fuse MAC ... ");
598 if (is_valid_ether_addr((const u8 *)mac_addr))
599 mac = (const char *)mac_addr;
603 printf("using: %pM on ", mac);
604 eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
607 writel(MII_MODE_ENABLE, &cdev->miisel);
608 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
609 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_MII;
611 rv = cpsw_register(&cpsw_data);
613 printf("Error %d registering CPSW switch\n", rv);
616 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
619 #endif /* CONFIG_DRIVER_TI_CPSW */
620 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
621 int board_mmc_init(bd_t *bis)
623 return omap_mmc_init(1, 0, 0, -1, -1);
626 int overwrite_console(void)