4 * common board functions for B&R boards
6 * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
7 * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
9 * SPDX-License-Identifier: GPL-2.0+
15 #include <asm/arch/cpu.h>
16 #include <asm/arch/hardware.h>
17 #include <asm/arch/omap.h>
18 #include <asm/arch/clock.h>
19 #include <asm/arch/gpio.h>
20 #include <asm/arch/sys_proto.h>
21 #include <asm/arch/mmc_host_def.h>
27 #include <power/tps65217.h>
31 #include <fdt_support.h>
33 #include "bur_common.h"
34 #include "../../../drivers/video/am335x-fb.h"
36 #include <fdt_simplefb.h>
38 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
40 DECLARE_GLOBAL_DATA_PTR;
43 #define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
44 #define PATHTIM "/panel/display-timings/default"
45 #define PATHINF "/panel/panel-info"
47 /* --------------------------------------------------------------------------*/
48 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
49 !defined(CONFIG_SPL_BUILD)
50 void lcdbacklight(int on)
53 if (gd->fdt_blob == NULL) {
54 printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
57 unsigned int driver = FDTPROP(PATHINF, "brightdrv");
58 unsigned int bright = FDTPROP(PATHINF, "brightdef");
59 unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
61 unsigned int driver = env_get_ulong("ds1_bright_drv", 16, 0UL);
62 unsigned int bright = env_get_ulong("ds1_bright_def", 10, 50);
63 unsigned int pwmfrq = env_get_ulong("ds1_pwmfreq", 10, ~0UL);
66 struct gptimer *timerhw;
69 bright = bright != ~0UL ? bright : 50;
75 timerhw = (struct gptimer *)DM_TIMER5_BASE;
78 timerhw = (struct gptimer *)DM_TIMER6_BASE;
82 case 0: /* PMIC LED-Driver */
83 /* brightness level */
84 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
85 TPS65217_WLEDCTRL2, bright, 0xFF);
87 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
89 bright != 0 ? 0x0A : 0x02,
93 case 2: /* PWM using timer */
95 timerhw->tiocp_cfg = TCFG_RESET;
97 while (timerhw->tiocp_cfg & TCFG_RESET)
99 tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
102 tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
104 timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
105 TCLR_CE | TCLR_AR | TCLR_ST);
107 puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
111 puts("no suitable backlightdriver in env/dtb!\n");
116 int load_lcdtiming(struct am335x_lcdpanel *panel)
118 struct am335x_lcdpanel pnltmp;
119 #ifdef CONFIG_USE_FDT
122 const char *nodep = 0;
125 if (gd->fdt_blob == NULL) {
126 printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
129 memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
131 pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
132 pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
133 pnltmp.bpp = FDTPROP(PATHINF, "bpp");
134 pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
135 pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
136 pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
137 pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
138 pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
139 pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
140 pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
141 pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
143 /* calc. proper clk-divisor */
144 dtbprop = FDTPROP(PATHTIM, "clock-frequency");
146 pnltmp.pxl_clk_div = 192000000 / dtbprop;
148 pnltmp.pxl_clk_div = ~0UL;
150 /* check polarity of control-signals */
151 dtbprop = FDTPROP(PATHTIM, "hsync-active");
153 pnltmp.pol |= HSYNC_INVERT;
154 dtbprop = FDTPROP(PATHTIM, "vsync-active");
156 pnltmp.pol |= VSYNC_INVERT;
157 dtbprop = FDTPROP(PATHINF, "sync-ctrl");
159 pnltmp.pol |= HSVS_CONTROL;
160 dtbprop = FDTPROP(PATHINF, "sync-edge");
162 pnltmp.pol |= HSVS_RISEFALL;
163 dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
165 pnltmp.pol |= PXCLK_INVERT;
166 dtbprop = FDTPROP(PATHTIM, "de-active");
168 pnltmp.pol |= DE_INVERT;
170 nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
172 nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
174 if (strcmp(nodep, "cw") == 0)
175 panel_info.vl_rot = 1;
176 else if (strcmp(nodep, "ud") == 0)
177 panel_info.vl_rot = 2;
178 else if (strcmp(nodep, "ccw") == 0)
179 panel_info.vl_rot = 3;
181 panel_info.vl_rot = 0;
184 puts("no 'factory-settings / rotation' in dtb!\n");
186 snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
187 env_set("optargs_rot", buf);
189 pnltmp.hactive = env_get_ulong("ds1_hactive", 10, ~0UL);
190 pnltmp.vactive = env_get_ulong("ds1_vactive", 10, ~0UL);
191 pnltmp.bpp = env_get_ulong("ds1_bpp", 10, ~0UL);
192 pnltmp.hfp = env_get_ulong("ds1_hfp", 10, ~0UL);
193 pnltmp.hbp = env_get_ulong("ds1_hbp", 10, ~0UL);
194 pnltmp.hsw = env_get_ulong("ds1_hsw", 10, ~0UL);
195 pnltmp.vfp = env_get_ulong("ds1_vfp", 10, ~0UL);
196 pnltmp.vbp = env_get_ulong("ds1_vbp", 10, ~0UL);
197 pnltmp.vsw = env_get_ulong("ds1_vsw", 10, ~0UL);
198 pnltmp.pxl_clk_div = env_get_ulong("ds1_pxlclkdiv", 10, ~0UL);
199 pnltmp.pol = env_get_ulong("ds1_pol", 16, ~0UL);
200 pnltmp.pup_delay = env_get_ulong("ds1_pupdelay", 10, ~0UL);
201 pnltmp.pon_delay = env_get_ulong("ds1_tondelay", 10, ~0UL);
202 panel_info.vl_rot = env_get_ulong("ds1_rotation", 10, 0);
205 ~0UL == (pnltmp.hactive) ||
206 ~0UL == (pnltmp.vactive) ||
207 ~0UL == (pnltmp.bpp) ||
208 ~0UL == (pnltmp.hfp) ||
209 ~0UL == (pnltmp.hbp) ||
210 ~0UL == (pnltmp.hsw) ||
211 ~0UL == (pnltmp.vfp) ||
212 ~0UL == (pnltmp.vbp) ||
213 ~0UL == (pnltmp.vsw) ||
214 ~0UL == (pnltmp.pxl_clk_div) ||
215 ~0UL == (pnltmp.pol) ||
216 ~0UL == (pnltmp.pup_delay) ||
217 ~0UL == (pnltmp.pon_delay)
219 puts("lcd-settings in env/dtb incomplete!\n");
220 printf("display-timings:\n"
234 pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
235 pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
236 pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
237 pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
241 debug("lcd-settings in env complete, taking over.\n");
242 memcpy((void *)panel,
244 sizeof(struct am335x_lcdpanel));
249 #ifdef CONFIG_USE_FDT
250 static int load_devicetree(void)
254 u32 dtbaddr = env_get_ulong("dtbaddr", 16, 0UL);
257 printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
262 rc = nand_read_skip_bad(get_nand_dev_by_index(0), 0x40000,
264 NULL, 0x20000, (u_char *)dtbaddr);
266 char *dtbname = env_get("dtb");
267 char *dtbdev = env_get("dtbdev");
268 char *dtbpart = env_get("dtbpart");
269 if (!dtbdev || !dtbpart || !dtbname) {
270 printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
274 if (fs_set_blk_dev(dtbdev, dtbpart, FS_TYPE_EXT)) {
275 puts("load_devicetree: set_blk_dev failed.\n");
278 rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
281 gd->fdt_blob = (void *)dtbaddr;
282 gd->fdt_size = dtbsize;
283 debug("loaded %d bytes of dtb onto 0x%08x\n",
284 (u32)dtbsize, (u32)gd->fdt_blob);
288 printf("%s: load dtb failed!\n", __func__);
292 static const char *dtbmacaddr(u32 ifno)
299 if (gd->fdt_blob == NULL) {
300 printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
304 node = fdt_path_offset(gd->fdt_blob, "/aliases");
308 sprintf(enet, "ethernet%d", ifno);
309 path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
311 printf("no alias for %s\n", enet);
315 node = fdt_path_offset(gd->fdt_blob, path);
316 mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
317 if (mac && is_valid_ethaddr((u8 *)mac))
323 static void br_summaryscreen_printdtb(char *prefix,
327 char buf[32] = { 0 };
328 const char *nodep = buf;
333 if (gd->fdt_blob == NULL) {
334 printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
338 if (strcmp(name, "brmac1") == 0) {
339 mac = (char *)dtbmacaddr(0);
341 sprintf(buf, "%pM", mac);
342 } else if (strcmp(name, "brmac2") == 0) {
343 mac = (char *)dtbmacaddr(1);
345 sprintf(buf, "%pM", mac);
347 nodeoffset = fdt_path_offset(gd->fdt_blob,
348 "/factory-settings");
349 if (nodeoffset < 0) {
350 puts("no 'factory-settings' in dtb!\n");
353 nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
355 if (nodep && strlen(nodep) > 1)
356 lcd_printf("%s %s %s", prefix, nodep, suffix);
360 int ft_board_setup(void *blob, bd_t *bd)
364 nodeoffset = fdt_path_offset(blob, "/factory-settings");
365 if (nodeoffset < 0) {
366 puts("set bootloader version 'factory-settings' not in dtb!\n");
369 if (fdt_setprop(blob, nodeoffset, "bl-version",
370 PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
371 puts("set bootloader version 'bl-version' prop. not in dtb!\n");
375 * if no simplefb is requested through environment, we don't set up
376 * one, instead we turn off backlight.
378 if (env_get_ulong("simplefb", 10, 0) == 0) {
382 /* Setup simplefb devicetree node, also adapt memory-node,
383 * upper limit for kernel e.g. linux is memtop-framebuffer alligned
384 * to a full megabyte.
386 u64 start = gd->bd->bi_dram[0].start;
387 u64 size = (gd->fb_base - start) & ~0xFFFFF;
388 int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
391 puts("cannot setup simplefb: Error reserving memory!\n");
394 rc = lcd_dt_simplefb_enable_existing_node(blob);
396 puts("cannot setup simplefb: error enabling simplefb node!\n");
404 static void br_summaryscreen_printenv(char *prefix,
405 char *name, char *altname,
408 char *envval = env_get(name);
410 lcd_printf("%s %s %s", prefix, envval, suffix);
411 } else if (0 != altname) {
412 envval = env_get(altname);
414 lcd_printf("%s %s %s", prefix, envval, suffix);
420 void br_summaryscreen(void)
422 #ifdef CONFIG_USE_FDT
423 br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
424 br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
425 br_summaryscreen_printdtb(" ", "hw-revision", "\n");
426 br_summaryscreen_printdtb(" MAC (IF1) :", "brmac1", "\n");
427 br_summaryscreen_printdtb(" MAC (IF2) :", "brmac2", "\n");
428 lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
431 br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
432 br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
433 br_summaryscreen_printenv(" MAC (IF1) :", "br_mac1", "ethaddr", "\n");
434 br_summaryscreen_printenv(" MAC (IF2) :", "br_mac2", 0, "\n");
435 lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
440 void lcdpower(int on)
443 #ifdef CONFIG_USE_FDT
444 if (gd->fdt_blob == NULL) {
445 printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
448 pin = FDTPROP(PATHINF, "pwrpin");
450 pin = env_get_ulong("ds1_pwr", 16, ~0UL);
453 puts("no pwrpin in dtb/env, cannot powerup display!\n");
457 for (i = 0; i < 3; i++) {
459 swval = pin & 0x80 ? 0 : 1;
461 gpio_direction_output(pin & 0x7F, swval);
463 gpio_direction_output(pin & 0x7F, !swval);
465 debug("switched pin %d to %d\n", pin & 0x7F, swval);
471 vidinfo_t panel_info = {
473 * give full resolution for allocating enough
481 void lcd_ctrl_init(void *lcdbase)
483 struct am335x_lcdpanel lcd_panel;
484 #ifdef CONFIG_USE_FDT
485 /* TODO: is there a better place to load the dtb ? */
488 memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
489 if (load_lcdtiming(&lcd_panel) != 0)
492 lcd_panel.panel_power_ctrl = &lcdpower;
494 if (0 != am335xfb_init(&lcd_panel))
495 printf("ERROR: failed to initialize video!");
497 * modifiy panel info to 'real' resolution, to operate correct with
500 panel_info.vl_col = lcd_panel.hactive;
501 panel_info.vl_row = lcd_panel.vactive;
503 lcd_set_flush_dcache(1);
506 void lcd_enable(void)
511 #elif CONFIG_SPL_BUILD
513 #error "LCD-support with a suitable FB-Driver is mandatory !"
514 #endif /* CONFIG_LCD */
516 #ifdef CONFIG_SPL_BUILD
517 void pmicsetup(u32 mpupll)
522 if (i2c_probe(TPS65217_CHIP_PM)) {
523 puts("PMIC (0x24) not found! skip further initalization.\n");
527 /* Get the frequency which is defined by device fuses */
528 dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
529 printf("detected max. frequency: %d - ", dpll_mpu_opp100.m);
532 dpll_mpu_opp100.m = MPUPLL_M_1000;
533 printf("retuning MPU-PLL to: %d MHz.\n", dpll_mpu_opp100.m);
538 * Increase USB current limit to 1300mA or 1800mA and set
539 * the MPU voltage controller as needed.
541 if (dpll_mpu_opp100.m == MPUPLL_M_1000) {
542 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1800MA;
543 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1325MV;
545 usb_cur_lim = TPS65217_USB_INPUT_CUR_LIMIT_1300MA;
546 mpu_vdd = TPS65217_DCDC_VOLT_SEL_1275MV;
549 if (tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_POWER_PATH,
550 usb_cur_lim, TPS65217_USB_INPUT_CUR_LIMIT_MASK))
551 puts("tps65217_reg_write failure\n");
553 /* Set DCDC3 (CORE) voltage to 1.125V */
554 if (tps65217_voltage_update(TPS65217_DEFDCDC3,
555 TPS65217_DCDC_VOLT_SEL_1125MV)) {
556 puts("tps65217_voltage_update failure\n");
560 /* Set CORE Frequencies to OPP100 */
561 do_setup_dpll(&dpll_core_regs, &dpll_core_opp100);
563 /* Set DCDC2 (MPU) voltage */
564 if (tps65217_voltage_update(TPS65217_DEFDCDC2, mpu_vdd)) {
565 puts("tps65217_voltage_update failure\n");
569 /* Set LDO3 to 1.8V */
570 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
572 TPS65217_LDO_VOLTAGE_OUT_1_8,
574 puts("tps65217_reg_write failure\n");
575 /* Set LDO4 to 3.3V */
576 if (tps65217_reg_write(TPS65217_PROT_LEVEL_2,
578 TPS65217_LDO_VOLTAGE_OUT_3_3,
580 puts("tps65217_reg_write failure\n");
582 /* Set MPU Frequency to what we detected now that voltages are set */
583 do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
584 /* Set PWR_EN bit in Status Register */
585 tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
586 TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
589 void set_uart_mux_conf(void)
591 enable_uart0_pin_mux();
594 void set_mux_conf_regs(void)
596 enable_board_pin_mux();
599 #endif /* CONFIG_SPL_BUILD */
601 #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
602 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
603 static void cpsw_control(int enabled)
605 /* VTP can be added here */
609 /* describing port offsets of TI's CPSW block */
610 static struct cpsw_slave_data cpsw_slaves[] = {
612 .slave_reg_ofs = 0x208,
613 .sliver_reg_ofs = 0xd80,
617 .slave_reg_ofs = 0x308,
618 .sliver_reg_ofs = 0xdc0,
623 static struct cpsw_platform_data cpsw_data = {
624 .mdio_base = CPSW_MDIO_BASE,
625 .cpsw_base = CPSW_BASE,
628 .cpdma_reg_ofs = 0x800,
630 .slave_data = cpsw_slaves,
631 .ale_reg_ofs = 0xd00,
633 .host_port_reg_ofs = 0x108,
634 .hw_stats_reg_ofs = 0x900,
635 .bd_ram_ofs = 0x2000,
636 .mac_control = (1 << 5),
637 .control = cpsw_control,
639 .version = CPSW_CTRL_VERSION_2,
641 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
643 #if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
644 int board_eth_init(bd_t *bis)
649 uint32_t mac_hi, mac_lo;
650 /* try reading mac address from efuse */
651 mac_lo = readl(&cdev->macid0l);
652 mac_hi = readl(&cdev->macid0h);
653 mac_addr[0] = mac_hi & 0xFF;
654 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
655 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
656 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
657 mac_addr[4] = mac_lo & 0xFF;
658 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
660 if (!env_get("ethaddr")) {
661 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
662 printf("<ethaddr> not set. trying DTB ... ");
666 printf("<ethaddr> not set. validating E-fuse MAC ... ");
667 if (is_valid_ethaddr((const u8 *)mac_addr))
668 mac = (const char *)mac_addr;
672 printf("using: %pM on ", mac);
673 eth_env_set_enetaddr("ethaddr", (const u8 *)mac);
676 writel(MII_MODE_ENABLE, &cdev->miisel);
677 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_MII;
678 cpsw_slaves[1].phy_if = PHY_INTERFACE_MODE_MII;
680 rv = cpsw_register(&cpsw_data);
682 printf("Error %d registering CPSW switch\n", rv);
687 #endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
688 #if defined(CONFIG_MMC)
689 int board_mmc_init(bd_t *bis)
693 rc |= omap_mmc_init(0, 0, 0, -1, -1);
694 rc |= omap_mmc_init(1, 0, 0, -1, -1);
699 int overwrite_console(void)