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
= getenv_ulong("ds1_bright_drv", 16, 0UL);
62 unsigned int bright
= getenv_ulong("ds1_bright_def", 10, 50);
63 unsigned int pwmfrq
= getenv_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 setenv("optargs_rot", buf
);
189 pnltmp
.hactive
= getenv_ulong("ds1_hactive", 10, ~0UL);
190 pnltmp
.vactive
= getenv_ulong("ds1_vactive", 10, ~0UL);
191 pnltmp
.bpp
= getenv_ulong("ds1_bpp", 10, ~0UL);
192 pnltmp
.hfp
= getenv_ulong("ds1_hfp", 10, ~0UL);
193 pnltmp
.hbp
= getenv_ulong("ds1_hbp", 10, ~0UL);
194 pnltmp
.hsw
= getenv_ulong("ds1_hsw", 10, ~0UL);
195 pnltmp
.vfp
= getenv_ulong("ds1_vfp", 10, ~0UL);
196 pnltmp
.vbp
= getenv_ulong("ds1_vbp", 10, ~0UL);
197 pnltmp
.vsw
= getenv_ulong("ds1_vsw", 10, ~0UL);
198 pnltmp
.pxl_clk_div
= getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
199 pnltmp
.pol
= getenv_ulong("ds1_pol", 16, ~0UL);
200 pnltmp
.pup_delay
= getenv_ulong("ds1_pupdelay", 10, ~0UL);
201 pnltmp
.pon_delay
= getenv_ulong("ds1_tondelay", 10, ~0UL);
202 panel_info
.vl_rot
= getenv_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
= getenv_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
= getenv("dtb");
267 char *dtbdev
= getenv("dtbdev");
268 char *dtbpart
= getenv("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 (getenv_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
= getenv(name
);
410 lcd_printf("%s %s %s", prefix
, envval
, suffix
);
411 } else if (0 != altname
) {
412 envval
= getenv(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
= getenv_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 (!getenv("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_setenv_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)