*
* common board functions for B&R boards
*
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
*
* SPDX-License-Identifier: GPL-2.0+
#endif
#include "bur_common.h"
#include "../../../drivers/video/am335x-fb.h"
+#include <nand.h>
+#include <fdt_simplefb.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 FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, 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)
+void lcdbacklight(int on)
+{
+#ifdef CONFIG_USE_FDT
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
+ return;
+ }
+ unsigned int driver = FDTPROP(PATHINF, "brightdrv");
+ unsigned int bright = FDTPROP(PATHINF, "brightdef");
+ unsigned int pwmfrq = FDTPROP(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;
+
+ if (on)
+ bright = bright != ~0UL ? bright : 50;
+ else
+ bright = 0;
+
+ switch (driver) {
+ case 0: /* PMIC LED-Driver */
+ /* brightness level */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL2, bright, 0xFF);
+ /* current sink */
+ tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+ TPS65217_WLEDCTRL1,
+ bright != 0 ? 0x0A : 0x02,
+ 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;
+ }
+}
+
int load_lcdtiming(struct am335x_lcdpanel *panel)
{
struct am335x_lcdpanel pnltmp;
#ifdef CONFIG_USE_FDT
- u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
u32 dtbprop;
+ char buf[32];
+ const char *nodep = 0;
+ int nodeoff;
- if (dtbaddr == ~0UL) {
- puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
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");
+ pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
+ pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
+ pnltmp.bpp = FDTPROP(PATHINF, "bpp");
+ pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
+ pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
+ pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
+ pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
+ pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
+ pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
+ pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
+ pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
/* calc. proper clk-divisor */
- dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
+ dtbprop = FDTPROP(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");
+ dtbprop = FDTPROP(PATHTIM, "hsync-active");
if (dtbprop == 0)
pnltmp.pol |= HSYNC_INVERT;
- dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
+ dtbprop = FDTPROP(PATHTIM, "vsync-active");
if (dtbprop == 0)
pnltmp.pol |= VSYNC_INVERT;
- dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
+ dtbprop = FDTPROP(PATHINF, "sync-ctrl");
if (dtbprop == 1)
pnltmp.pol |= HSVS_CONTROL;
- dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
+ dtbprop = FDTPROP(PATHINF, "sync-edge");
if (dtbprop == 1)
pnltmp.pol |= HSVS_RISEFALL;
- dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
+ dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
if (dtbprop == 0)
pnltmp.pol |= PXCLK_INVERT;
- dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
+ dtbprop = FDTPROP(PATHTIM, "de-active");
if (dtbprop == 0)
pnltmp.pol |= DE_INVERT;
+
+ nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
+ if (nodeoff >= 0) {
+ nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
+ if (nodep != 0) {
+ if (strcmp(nodep, "cw") == 0)
+ panel_info.vl_rot = 1;
+ else if (strcmp(nodep, "ud") == 0)
+ panel_info.vl_rot = 2;
+ else if (strcmp(nodep, "ccw") == 0)
+ panel_info.vl_rot = 3;
+ else
+ panel_info.vl_rot = 0;
+ }
+ } else {
+ puts("no 'factory-settings / rotation' in dtb!\n");
+ }
+ snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
+ setenv("optargs_rot", buf);
#else
pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
pnltmp.vactive = getenv_ulong("ds1_vactive", 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);
+ panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
#endif
if (
~0UL == (pnltmp.hactive) ||
#ifdef CONFIG_USE_FDT
static int load_devicetree(void)
{
+ int rc;
+ loff_t dtbsize;
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
+
+ if (dtbaddr == 0) {
+ printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
+ return -1;
+ }
+#ifdef CONFIG_NAND
+ dtbsize = 0x20000;
+ rc = nand_read_skip_bad(&nand_info[0], 0x40000, (size_t *)&dtbsize,
+ NULL, 0x20000, (u_char *)dtbaddr);
+#else
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");
+ if (!dtbdev || !dtbdev || !dtbname) {
+ printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
return -1;
}
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");
+ rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
+#endif
+ if (rc == 0) {
+ gd->fdt_blob = (void *)dtbaddr;
+ gd->fdt_size = dtbsize;
+ debug("loaded %d bytes of dtb onto 0x%08x\n",
+ (u32)dtbsize, (u32)gd->fdt_blob);
+ return dtbsize;
}
- puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
+ printf("%s: load dtb failed!\n", __func__);
return -1;
}
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");
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
return NULL;
}
- node = fdt_path_offset((void *)dtbaddr, "/aliases");
+ node = fdt_path_offset(gd->fdt_blob, "/aliases");
if (node < 0)
return NULL;
sprintf(enet, "ethernet%d", ifno);
- path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
+ path = fdt_getprop(gd->fdt_blob, 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))
+ node = fdt_path_offset(gd->fdt_blob, path);
+ mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
+ if (mac && is_valid_ethaddr((u8 *)mac))
return mac;
return NULL;
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");
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
return;
}
if (mac)
sprintf(buf, "%pM", mac);
} else {
- nodeoffset = fdt_path_offset((void *)dtbaddr,
+ nodeoffset = fdt_path_offset(gd->fdt_blob,
"/factory-settings");
if (nodeoffset < 0) {
puts("no 'factory-settings' in dtb!\n");
return;
}
- nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
+ nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
}
if (nodep && strlen(nodep) > 1)
lcd_printf("%s %s %s", prefix, nodep, suffix);
puts("set bootloader version 'bl-version' prop. not in dtb!\n");
return -1;
}
+ /*
+ * if no simplefb is requested through environment, we don't set up
+ * one, instead we turn off backlight.
+ */
+ if (getenv_ulong("simplefb", 10, 0) == 0) {
+ lcdbacklight(0);
+ return 0;
+ }
+ /* Setup simplefb devicetree node, also adapt memory-node,
+ * upper limit for kernel e.g. linux is memtop-framebuffer alligned
+ * to a full megabyte.
+ */
+ u64 start = gd->bd->bi_dram[0].start;
+ u64 size = (gd->fb_base - start) & ~0xFFFFF;
+ int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
+
+ if (rc) {
+ puts("cannot setup simplefb: Error reserving memory!\n");
+ return rc;
+ }
+ rc = lcd_dt_simplefb_enable_existing_node(blob);
+ if (rc) {
+ puts("cannot setup simplefb: error enabling simplefb node!\n");
+ return rc;
+ }
+
return 0;
}
#else
{
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");
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
return;
}
- pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
+ pin = FDTPROP(PATHINF, "pwrpin");
#else
pin = getenv_ulong("ds1_pwr", 16, ~0UL);
#endif
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();
+ lcdbacklight(1);
}
#elif CONFIG_SPL_BUILD
#else
#endif
if (!mac) {
printf("<ethaddr> not set. validating E-fuse MAC ... ");
- if (is_valid_ether_addr((const u8 *)mac_addr))
+ if (is_valid_ethaddr((const u8 *)mac_addr))
mac = (const char *)mac_addr;
}
projects / J-u-boot.git / blobdiff