board/BuR/common: Take usage of am335x LCD-Display
a summary screen to the lcd.
Values are taken from environment and or devicetree blob.
Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
diff --git a/board/BuR/common/bur_common.h b/board/BuR/common/bur_common.h
index 15225b0..39afbba 100644
--- a/board/BuR/common/bur_common.h
+++ b/board/BuR/common/bur_common.h
@@ -12,6 +12,10 @@
#ifndef _BUR_COMMON_H_
#define _BUR_COMMON_H_
+#include <../../../drivers/video/am335x-fb.h>
+
+int load_lcdtiming(struct am335x_lcdpanel *panel);
+void br_summaryscreen(void);
void blink(u32 blinks, u32 intervall, u32 pin);
void pmicsetup(u32 mpupll);
void enable_uart0_pin_mux(void);
diff --git a/board/BuR/common/common.c b/board/BuR/common/common.c
index 25cbe62..7d0e05c 100644
--- a/board/BuR/common/common.c
+++ b/board/BuR/common/common.c
@@ -9,7 +9,7 @@
* SPDX-License-Identifier: GPL-2.0+
*
*/
-
+#include <version.h>
#include <common.h>
#include <errno.h>
#include <spl.h>
@@ -26,10 +26,421 @@
#include <miiphy.h>
#include <cpsw.h>
#include <power/tps65217.h>
+#include <lcd.h>
+#include <fs.h>
+#ifdef CONFIG_USE_FDT
+ #include <fdt_support.h>
+#endif
#include "bur_common.h"
+#include "../../../drivers/video/am335x-fb.h"
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_USE_FDT
+ #define FDTPROP(a, b, c) fdt_getprop_u32_default((void *)a, b, c, ~0UL)
+ #define PATHTIM "/panel/display-timings/default"
+ #define PATHINF "/panel/panel-info"
+#endif
/* --------------------------------------------------------------------------*/
+#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
+ !defined(CONFIG_SPL_BUILD)
+int load_lcdtiming(struct am335x_lcdpanel *panel)
+{
+ struct am335x_lcdpanel pnltmp;
+#ifdef CONFIG_USE_FDT
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+ u32 dtbprop;
+
+ if (dtbaddr == ~0UL) {
+ puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
+ return -1;
+ }
+ memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
+
+ pnltmp.hactive = FDTPROP(dtbaddr, PATHTIM, "hactive");
+ pnltmp.vactive = FDTPROP(dtbaddr, PATHTIM, "vactive");
+ pnltmp.bpp = FDTPROP(dtbaddr, PATHINF, "bpp");
+ pnltmp.hfp = FDTPROP(dtbaddr, PATHTIM, "hfront-porch");
+ pnltmp.hbp = FDTPROP(dtbaddr, PATHTIM, "hback-porch");
+ pnltmp.hsw = FDTPROP(dtbaddr, PATHTIM, "hsync-len");
+ pnltmp.vfp = FDTPROP(dtbaddr, PATHTIM, "vfront-porch");
+ pnltmp.vbp = FDTPROP(dtbaddr, PATHTIM, "vback-porch");
+ pnltmp.vsw = FDTPROP(dtbaddr, PATHTIM, "vsync-len");
+ pnltmp.pup_delay = FDTPROP(dtbaddr, PATHTIM, "pupdelay");
+ pnltmp.pon_delay = FDTPROP(dtbaddr, PATHTIM, "pondelay");
+
+ /* calc. proper clk-divisor */
+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
+ if (dtbprop != ~0UL)
+ pnltmp.pxl_clk_div = 192000000 / dtbprop;
+ else
+ pnltmp.pxl_clk_div = ~0UL;
+
+ /* check polarity of control-signals */
+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "hsync-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= HSYNC_INVERT;
+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= VSYNC_INVERT;
+ dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
+ if (dtbprop == 1)
+ pnltmp.pol |= HSVS_CONTROL;
+ dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
+ if (dtbprop == 1)
+ pnltmp.pol |= HSVS_RISEFALL;
+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= PXCLK_INVERT;
+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= DE_INVERT;
+#else
+ pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
+ pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
+ pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
+ pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
+ pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
+ pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
+ pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
+ pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
+ pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
+ pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
+ pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
+ pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
+ pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
+#endif
+ if (
+ ~0UL == (pnltmp.hactive) ||
+ ~0UL == (pnltmp.vactive) ||
+ ~0UL == (pnltmp.bpp) ||
+ ~0UL == (pnltmp.hfp) ||
+ ~0UL == (pnltmp.hbp) ||
+ ~0UL == (pnltmp.hsw) ||
+ ~0UL == (pnltmp.vfp) ||
+ ~0UL == (pnltmp.vbp) ||
+ ~0UL == (pnltmp.vsw) ||
+ ~0UL == (pnltmp.pxl_clk_div) ||
+ ~0UL == (pnltmp.pol) ||
+ ~0UL == (pnltmp.pup_delay) ||
+ ~0UL == (pnltmp.pon_delay)
+ ) {
+ puts("lcd-settings in env/dtb incomplete!\n");
+ printf("display-timings:\n"
+ "================\n"
+ "hactive: %d\n"
+ "vactive: %d\n"
+ "bpp : %d\n"
+ "hfp : %d\n"
+ "hbp : %d\n"
+ "hsw : %d\n"
+ "vfp : %d\n"
+ "vbp : %d\n"
+ "vsw : %d\n"
+ "pxlclk : %d\n"
+ "pol : 0x%08x\n"
+ "pondly : %d\n",
+ pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
+ pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
+ pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
+ pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
+
+ return -1;
+ }
+ debug("lcd-settings in env complete, taking over.\n");
+ memcpy((void *)panel,
+ (void *)&pnltmp,
+ sizeof(struct am335x_lcdpanel));
+
+ return 0;
+}
+
+#ifdef CONFIG_USE_FDT
+static int load_devicetree(void)
+{
+ char *dtbname = getenv("dtb");
+ char *dtbdev = getenv("dtbdev");
+ char *dtppart = getenv("dtbpart");
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+ loff_t dtbsize;
+
+ if (!dtbdev || !dtbdev) {
+ puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
+ return -1;
+ }
+
+ if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
+ puts("load_devicetree: set_blk_dev failed.\n");
+ return -1;
+ }
+ if (dtbname && dtbaddr != ~0UL) {
+ if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
+ gd->fdt_blob = (void *)dtbaddr;
+ gd->fdt_size = dtbsize;
+ debug("loaded %d bytes of dtb onto 0x%08x\n",
+ (u32)dtbsize, dtbaddr);
+ return dtbsize;
+ }
+ puts("load_devicetree: load dtb failed,file does not exist!\n");
+ }
+
+ puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
+ return -1;
+}
+
+static const char *dtbmacaddr(u32 ifno)
+{
+ int node, len;
+ char enet[16];
+ const char *mac;
+ const char *path;
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+
+ if (dtbaddr == ~0UL) {
+ puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
+ return NULL;
+ }
+
+ node = fdt_path_offset((void *)dtbaddr, "/aliases");
+ if (node < 0)
+ return NULL;
+
+ sprintf(enet, "ethernet%d", ifno);
+ path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
+ if (!path) {
+ printf("no alias for %s\n", enet);
+ return NULL;
+ }
+
+ node = fdt_path_offset((void *)dtbaddr, path);
+ mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
+ if (mac && is_valid_ether_addr((u8 *)mac))
+ return mac;
+
+ return NULL;
+}
+
+static void br_summaryscreen_printdtb(char *prefix,
+ char *name,
+ char *suffix)
+{
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+ char buf[32] = { 0 };
+ const char *nodep = buf;
+ char *mac = 0;
+ int nodeoffset;
+ int len;
+
+ if (dtbaddr == ~0UL) {
+ puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
+ return;
+ }
+
+ if (strcmp(name, "brmac1") == 0) {
+ mac = (char *)dtbmacaddr(0);
+ if (mac)
+ sprintf(buf, "%pM", mac);
+ } else if (strcmp(name, "brmac2") == 0) {
+ mac = (char *)dtbmacaddr(1);
+ if (mac)
+ sprintf(buf, "%pM", mac);
+ } else {
+ nodeoffset = fdt_path_offset((void *)dtbaddr,
+ "/factory-settings");
+ if (nodeoffset < 0) {
+ puts("no 'factory-settings' in dtb!\n");
+ return;
+ }
+ nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
+ }
+ if (nodep && strlen(nodep) > 1)
+ lcd_printf("%s %s %s", prefix, nodep, suffix);
+ else
+ lcd_printf("\n");
+}
+int ft_board_setup(void *blob, bd_t *bd)
+{
+ int nodeoffset;
+
+ nodeoffset = fdt_path_offset(blob, "/factory-settings");
+ if (nodeoffset < 0) {
+ puts("set bootloader version 'factory-settings' not in dtb!\n");
+ return -1;
+ }
+ if (fdt_setprop(blob, nodeoffset, "bl-version",
+ PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
+ puts("set bootloader version 'bl-version' prop. not in dtb!\n");
+ return -1;
+ }
+ return 0;
+}
+#else
+
+static void br_summaryscreen_printenv(char *prefix,
+ char *name, char *altname,
+ char *suffix)
+{
+ char *envval = getenv(name);
+ if (0 != envval) {
+ lcd_printf("%s %s %s", prefix, envval, suffix);
+ } else if (0 != altname) {
+ envval = getenv(altname);
+ if (0 != envval)
+ lcd_printf("%s %s %s", prefix, envval, suffix);
+ } else {
+ lcd_printf("\n");
+ }
+}
+#endif
+void br_summaryscreen(void)
+{
+#ifdef CONFIG_USE_FDT
+ br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
+ br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
+ br_summaryscreen_printdtb(" ", "hw-revision", "\n");
+ br_summaryscreen_printdtb(" MAC (IF1) :", "brmac1", "\n");
+ br_summaryscreen_printdtb(" MAC (IF2) :", "brmac2", "\n");
+ lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
+ lcd_puts("\n");
+#else
+ br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
+ br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
+ br_summaryscreen_printenv(" MAC (IF1) :", "br_mac1", "ethaddr", "\n");
+ br_summaryscreen_printenv(" MAC (IF2) :", "br_mac2", 0, "\n");
+ lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
+ lcd_puts("\n");
+#endif
+}
+
+void lcdpower(int on)
+{
+ u32 pin, swval, i;
+#ifdef CONFIG_USE_FDT
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+
+ if (dtbaddr == ~0UL) {
+ puts("lcdpower: failed to get 'dtbaddr' from env!\n");
+ return;
+ }
+ pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
+#else
+ pin = getenv_ulong("ds1_pwr", 16, ~0UL);
+#endif
+ if (pin == ~0UL) {
+ puts("no pwrpin in dtb/env, cannot powerup display!\n");
+ return;
+ }
+
+ for (i = 0; i < 3; i++) {
+ if (pin != 0) {
+ swval = pin & 0x80 ? 0 : 1;
+ if (on)
+ gpio_direction_output(pin & 0x7F, swval);
+ else
+ gpio_direction_output(pin & 0x7F, !swval);
+
+ debug("switched pin %d to %d\n", pin & 0x7F, swval);
+ }
+ pin >>= 8;
+ }
+}
+
+vidinfo_t panel_info = {
+ .vl_col = 1366, /*
+ * give full resolution for allocating enough
+ * memory
+ */
+ .vl_row = 768,
+ .vl_bpix = 5,
+ .priv = 0
+};
+
+void lcd_ctrl_init(void *lcdbase)
+{
+ struct am335x_lcdpanel lcd_panel;
+#ifdef CONFIG_USE_FDT
+ /* TODO: is there a better place to load the dtb ? */
+ load_devicetree();
+#endif
+ memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
+ if (load_lcdtiming(&lcd_panel) != 0)
+ return;
+
+ lcd_panel.panel_power_ctrl = &lcdpower;
+
+ if (0 != am335xfb_init(&lcd_panel))
+ printf("ERROR: failed to initialize video!");
+ /*
+ * modifiy panel info to 'real' resolution, to operate correct with
+ * lcd-framework.
+ */
+ panel_info.vl_col = lcd_panel.hactive;
+ panel_info.vl_row = lcd_panel.vactive;
+
+ lcd_set_flush_dcache(1);
+}
+
+void lcd_enable(void)
+{
+#ifdef CONFIG_USE_FDT
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+
+ if (dtbaddr == ~0UL) {
+ puts("lcdpower: failed to get 'dtbaddr' from env!\n");
+ return;
+ }
+ unsigned int driver = FDTPROP(dtbaddr, PATHINF, "brightdrv");
+ unsigned int bright = FDTPROP(dtbaddr, PATHINF, "brightdef");
+ unsigned int pwmfrq = FDTPROP(dtbaddr, PATHINF, "brightfdim");
+#else
+ unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
+ unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
+ unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
+#endif
+ unsigned int tmp;
+ struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;
+
+ bright = bright != ~0UL ? bright : 50;
+
+ switch (driver) {
+ case 0: /* PMIC LED-Driver */
+ /* brightness level */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL2, bright, 0xFF);
+ /* turn on light */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL1, 0x0A, 0xFF);
+ break;
+ case 1: /* PWM using timer6 */
+ if (pwmfrq != ~0UL) {
+ timerhw->tiocp_cfg = TCFG_RESET;
+ udelay(10);
+ while (timerhw->tiocp_cfg & TCFG_RESET)
+ ;
+ tmp = ~0UL-(V_OSCK/pwmfrq); /* bottom value */
+ timerhw->tldr = tmp;
+ timerhw->tcrr = tmp;
+ tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
+ timerhw->tmar = tmp;
+ timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
+ TCLR_CE | TCLR_AR | TCLR_ST);
+ } else {
+ puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
+ }
+ break;
+ default:
+ puts("no suitable backlightdriver in env/dtb!\n");
+ break;
+ }
+ br_summaryscreen();
+}
+#elif CONFIG_SPL_BUILD
+#else
+#error "LCD-support with a suitable FB-Driver is mandatory !"
+#endif /* CONFIG_LCD */
+
void blink(u32 blinks, u32 intervall, u32 pin)
{
gpio_direction_output(pin, 0);
@@ -43,6 +454,7 @@
gpio_set_value(pin, 0);
}
+
#ifdef CONFIG_SPL_BUILD
void pmicsetup(u32 mpupll)
{
@@ -115,6 +527,9 @@
/* Set MPU Frequency to what we detected now that voltages are set */
do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100);
+ /* Set PWR_EN bit in Status Register */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_STATUS, TPS65217_PWR_OFF, TPS65217_PWR_OFF);
}
void set_uart_mux_conf(void)
diff --git a/board/BuR/tseries/board.c b/board/BuR/tseries/board.c
index c0178e7..66747eb 100644
--- a/board/BuR/tseries/board.c
+++ b/board/BuR/tseries/board.c
@@ -27,6 +27,7 @@
#include <i2c.h>
#include <power/tps65217.h>
#include "../common/bur_common.h"
+#include <lcd.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -82,7 +83,6 @@
int spl_start_uboot(void)
{
if (0 == gpio_get_value(REPSWITCH)) {
- blink(5, 125, ETHLED_ORANGE);
mdelay(1000);
printf("SPL: entering u-boot instead kernel image.\n");
return 1;
@@ -96,7 +96,35 @@
void am33xx_spl_board_init(void)
{
- pmicsetup(1000);
+ struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER;
+ /*struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP;*/
+ struct cm_dpll *const cmdpll = (struct cm_dpll *)CM_DPLL;
+
+ /*
+ * in TRM they write a reset value of 1 (=CLK_M_OSC) for the
+ * CLKSEL_TIMER6_CLK Register, in fact reset value is 0, so we need set
+ * the source of timer6 clk to CLK_M_OSC
+ */
+ writel(0x01, &cmdpll->clktimer6clk);
+
+ /* enable additional clocks of modules which are accessed later */
+ u32 *const clk_domains[] = {
+ &cmper->lcdcclkstctrl,
+ 0
+ };
+
+ u32 *const clk_modules_tsspecific[] = {
+ &cmper->lcdclkctrl,
+ &cmper->timer5clkctrl,
+ &cmper->timer6clkctrl,
+ 0
+ };
+ do_enable_clocks(clk_domains, clk_modules_tsspecific, 1);
+
+ /* setup LCD-Pixel Clock */
+ writel(0x2, &cmdpll->clklcdcpixelclk); /* clock comes from perPLL M2 */
+
+ pmicsetup(0);
}
const struct dpll_params *get_dpll_ddr_params(void)
@@ -126,24 +154,12 @@
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
- gpio_direction_output(ETHLED_ORANGE, 0);
-
if (0 == gpio_get_value(REPSWITCH)) {
- printf("\n\n\n"
- "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n"
- "!!!!!!! recovery switch activated !!!!!!!\n"
- "!!!!!!! running usbupdate !!!!!!!\n"
- "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n\n\n");
- setenv("bootcmd", "sleep 2; run netupdate;");
+ lcd_position_cursor(1, 8);
+ lcd_puts(
+ "switching to network-console ... ");
+ setenv("bootcmd", "run netconsole");
}
-
- printf("turning on display power+backlight ... ");
- tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL1,
- 0x09, TPS65217_MASK_ALL_BITS); /* 200 Hz, ON */
- tps65217_reg_write(TPS65217_PROT_LEVEL_NONE, TPS65217_WLEDCTRL2,
- 0x62, TPS65217_MASK_ALL_BITS); /* 100% */
- printf("ok.\n");
-
return 0;
}
#endif /* CONFIG_BOARD_LATE_INIT */