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@@ -9,7 +9,7 @@
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* SPDX-License-Identifier: GPL-2.0+
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*
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*/
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-
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+#include <version.h>
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#include <common.h>
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#include <errno.h>
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#include <spl.h>
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@@ -26,10 +26,421 @@
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#include <miiphy.h>
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#include <cpsw.h>
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#include <power/tps65217.h>
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+#include <lcd.h>
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+#include <fs.h>
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+#ifdef CONFIG_USE_FDT
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+ #include <fdt_support.h>
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+#endif
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#include "bur_common.h"
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+#include "../../../drivers/video/am335x-fb.h"
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static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
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+
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+DECLARE_GLOBAL_DATA_PTR;
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+
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+#ifdef CONFIG_USE_FDT
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+ #define FDTPROP(a, b, c) fdt_getprop_u32_default((void *)a, b, c, ~0UL)
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+ #define PATHTIM "/panel/display-timings/default"
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+ #define PATHINF "/panel/panel-info"
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+#endif
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/* --------------------------------------------------------------------------*/
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+#if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
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+ !defined(CONFIG_SPL_BUILD)
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+int load_lcdtiming(struct am335x_lcdpanel *panel)
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+{
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+ struct am335x_lcdpanel pnltmp;
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+#ifdef CONFIG_USE_FDT
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+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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+ u32 dtbprop;
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+
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+ if (dtbaddr == ~0UL) {
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+ puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
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+ return -1;
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+ }
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+ memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
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+
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+ pnltmp.hactive = FDTPROP(dtbaddr, PATHTIM, "hactive");
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+ pnltmp.vactive = FDTPROP(dtbaddr, PATHTIM, "vactive");
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+ pnltmp.bpp = FDTPROP(dtbaddr, PATHINF, "bpp");
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+ pnltmp.hfp = FDTPROP(dtbaddr, PATHTIM, "hfront-porch");
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+ pnltmp.hbp = FDTPROP(dtbaddr, PATHTIM, "hback-porch");
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+ pnltmp.hsw = FDTPROP(dtbaddr, PATHTIM, "hsync-len");
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+ pnltmp.vfp = FDTPROP(dtbaddr, PATHTIM, "vfront-porch");
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+ pnltmp.vbp = FDTPROP(dtbaddr, PATHTIM, "vback-porch");
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+ pnltmp.vsw = FDTPROP(dtbaddr, PATHTIM, "vsync-len");
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+ pnltmp.pup_delay = FDTPROP(dtbaddr, PATHTIM, "pupdelay");
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+ pnltmp.pon_delay = FDTPROP(dtbaddr, PATHTIM, "pondelay");
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+
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+ /* calc. proper clk-divisor */
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+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
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+ if (dtbprop != ~0UL)
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+ pnltmp.pxl_clk_div = 192000000 / dtbprop;
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+ else
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+ pnltmp.pxl_clk_div = ~0UL;
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+
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+ /* check polarity of control-signals */
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+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "hsync-active");
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+ if (dtbprop == 0)
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+ pnltmp.pol |= HSYNC_INVERT;
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+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
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+ if (dtbprop == 0)
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+ pnltmp.pol |= VSYNC_INVERT;
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+ dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
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+ if (dtbprop == 1)
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+ pnltmp.pol |= HSVS_CONTROL;
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+ dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
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+ if (dtbprop == 1)
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+ pnltmp.pol |= HSVS_RISEFALL;
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+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
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+ if (dtbprop == 0)
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+ pnltmp.pol |= PXCLK_INVERT;
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+ dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
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+ if (dtbprop == 0)
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+ pnltmp.pol |= DE_INVERT;
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+#else
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+ pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
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+ pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
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+ pnltmp.bpp = getenv_ulong("ds1_bpp", 10, ~0UL);
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+ pnltmp.hfp = getenv_ulong("ds1_hfp", 10, ~0UL);
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+ pnltmp.hbp = getenv_ulong("ds1_hbp", 10, ~0UL);
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+ pnltmp.hsw = getenv_ulong("ds1_hsw", 10, ~0UL);
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+ pnltmp.vfp = getenv_ulong("ds1_vfp", 10, ~0UL);
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+ pnltmp.vbp = getenv_ulong("ds1_vbp", 10, ~0UL);
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+ pnltmp.vsw = getenv_ulong("ds1_vsw", 10, ~0UL);
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+ pnltmp.pxl_clk_div = getenv_ulong("ds1_pxlclkdiv", 10, ~0UL);
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+ pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
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+ pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
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+ pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
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+#endif
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+ if (
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+ ~0UL == (pnltmp.hactive) ||
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+ ~0UL == (pnltmp.vactive) ||
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+ ~0UL == (pnltmp.bpp) ||
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+ ~0UL == (pnltmp.hfp) ||
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+ ~0UL == (pnltmp.hbp) ||
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+ ~0UL == (pnltmp.hsw) ||
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+ ~0UL == (pnltmp.vfp) ||
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+ ~0UL == (pnltmp.vbp) ||
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+ ~0UL == (pnltmp.vsw) ||
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+ ~0UL == (pnltmp.pxl_clk_div) ||
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+ ~0UL == (pnltmp.pol) ||
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+ ~0UL == (pnltmp.pup_delay) ||
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+ ~0UL == (pnltmp.pon_delay)
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+ ) {
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+ puts("lcd-settings in env/dtb incomplete!\n");
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+ printf("display-timings:\n"
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+ "================\n"
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+ "hactive: %d\n"
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+ "vactive: %d\n"
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+ "bpp : %d\n"
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+ "hfp : %d\n"
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+ "hbp : %d\n"
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+ "hsw : %d\n"
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+ "vfp : %d\n"
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+ "vbp : %d\n"
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+ "vsw : %d\n"
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+ "pxlclk : %d\n"
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+ "pol : 0x%08x\n"
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+ "pondly : %d\n",
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+ pnltmp.hactive, pnltmp.vactive, pnltmp.bpp,
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+ pnltmp.hfp, pnltmp.hbp, pnltmp.hsw,
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+ pnltmp.vfp, pnltmp.vbp, pnltmp.vsw,
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+ pnltmp.pxl_clk_div, pnltmp.pol, pnltmp.pon_delay);
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+
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+ return -1;
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+ }
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+ debug("lcd-settings in env complete, taking over.\n");
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+ memcpy((void *)panel,
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+ (void *)&pnltmp,
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+ sizeof(struct am335x_lcdpanel));
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+
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+ return 0;
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+}
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+
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+#ifdef CONFIG_USE_FDT
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+static int load_devicetree(void)
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+{
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+ char *dtbname = getenv("dtb");
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+ char *dtbdev = getenv("dtbdev");
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+ char *dtppart = getenv("dtbpart");
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+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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+ loff_t dtbsize;
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+
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+ if (!dtbdev || !dtbdev) {
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+ puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
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+ return -1;
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+ }
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+
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+ if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
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+ puts("load_devicetree: set_blk_dev failed.\n");
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+ return -1;
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+ }
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+ if (dtbname && dtbaddr != ~0UL) {
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+ if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
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+ gd->fdt_blob = (void *)dtbaddr;
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+ gd->fdt_size = dtbsize;
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+ debug("loaded %d bytes of dtb onto 0x%08x\n",
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+ (u32)dtbsize, dtbaddr);
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+ return dtbsize;
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+ }
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+ puts("load_devicetree: load dtb failed,file does not exist!\n");
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+ }
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+
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+ puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
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+ return -1;
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+}
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+
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+static const char *dtbmacaddr(u32 ifno)
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+{
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+ int node, len;
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+ char enet[16];
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+ const char *mac;
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+ const char *path;
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+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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+
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+ if (dtbaddr == ~0UL) {
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+ puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
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+ return NULL;
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+ }
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+
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+ node = fdt_path_offset((void *)dtbaddr, "/aliases");
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+ if (node < 0)
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+ return NULL;
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+
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+ sprintf(enet, "ethernet%d", ifno);
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+ path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
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+ if (!path) {
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+ printf("no alias for %s\n", enet);
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+ return NULL;
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+ }
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+
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+ node = fdt_path_offset((void *)dtbaddr, path);
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+ mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
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+ if (mac && is_valid_ether_addr((u8 *)mac))
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+ return mac;
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+
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+ return NULL;
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+}
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+
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+static void br_summaryscreen_printdtb(char *prefix,
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+ char *name,
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+ char *suffix)
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+{
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+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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+ char buf[32] = { 0 };
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+ const char *nodep = buf;
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+ char *mac = 0;
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+ int nodeoffset;
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+ int len;
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+
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+ if (dtbaddr == ~0UL) {
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+ puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
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+ return;
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+ }
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+
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+ if (strcmp(name, "brmac1") == 0) {
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+ mac = (char *)dtbmacaddr(0);
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+ if (mac)
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+ sprintf(buf, "%pM", mac);
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+ } else if (strcmp(name, "brmac2") == 0) {
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+ mac = (char *)dtbmacaddr(1);
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+ if (mac)
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+ sprintf(buf, "%pM", mac);
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+ } else {
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+ nodeoffset = fdt_path_offset((void *)dtbaddr,
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+ "/factory-settings");
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+ if (nodeoffset < 0) {
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+ puts("no 'factory-settings' in dtb!\n");
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+ return;
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+ }
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+ nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
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+ }
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+ if (nodep && strlen(nodep) > 1)
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+ lcd_printf("%s %s %s", prefix, nodep, suffix);
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+ else
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+ lcd_printf("\n");
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+}
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+int ft_board_setup(void *blob, bd_t *bd)
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+{
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+ int nodeoffset;
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+
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+ nodeoffset = fdt_path_offset(blob, "/factory-settings");
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+ if (nodeoffset < 0) {
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+ puts("set bootloader version 'factory-settings' not in dtb!\n");
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+ return -1;
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+ }
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+ if (fdt_setprop(blob, nodeoffset, "bl-version",
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+ PLAIN_VERSION, strlen(PLAIN_VERSION)) != 0) {
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+ puts("set bootloader version 'bl-version' prop. not in dtb!\n");
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+ return -1;
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+ }
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+ return 0;
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+}
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+#else
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+
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+static void br_summaryscreen_printenv(char *prefix,
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+ char *name, char *altname,
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+ char *suffix)
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+{
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+ char *envval = getenv(name);
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+ if (0 != envval) {
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+ lcd_printf("%s %s %s", prefix, envval, suffix);
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+ } else if (0 != altname) {
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+ envval = getenv(altname);
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+ if (0 != envval)
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+ lcd_printf("%s %s %s", prefix, envval, suffix);
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+ } else {
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+ lcd_printf("\n");
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+ }
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+}
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+#endif
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+void br_summaryscreen(void)
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+{
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+#ifdef CONFIG_USE_FDT
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+ br_summaryscreen_printdtb(" - B&R -", "order-no", "-\n");
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+ br_summaryscreen_printdtb(" Serial/Rev :", "serial-no", " /");
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+ br_summaryscreen_printdtb(" ", "hw-revision", "\n");
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+ br_summaryscreen_printdtb(" MAC (IF1) :", "brmac1", "\n");
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+ br_summaryscreen_printdtb(" MAC (IF2) :", "brmac2", "\n");
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+ lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
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+ lcd_puts("\n");
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+#else
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+ br_summaryscreen_printenv(" - B&R -", "br_orderno", 0, "-\n");
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+ br_summaryscreen_printenv(" Serial/Rev :", "br_serial", 0, "\n");
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+ br_summaryscreen_printenv(" MAC (IF1) :", "br_mac1", "ethaddr", "\n");
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+ br_summaryscreen_printenv(" MAC (IF2) :", "br_mac2", 0, "\n");
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+ lcd_puts(" Bootloader : " PLAIN_VERSION "\n");
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+ lcd_puts("\n");
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+#endif
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+}
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+
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+void lcdpower(int on)
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+{
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+ u32 pin, swval, i;
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+#ifdef CONFIG_USE_FDT
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+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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+
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+ if (dtbaddr == ~0UL) {
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+ puts("lcdpower: failed to get 'dtbaddr' from env!\n");
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+ return;
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+ }
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+ pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
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+#else
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+ pin = getenv_ulong("ds1_pwr", 16, ~0UL);
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+#endif
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+ if (pin == ~0UL) {
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+ puts("no pwrpin in dtb/env, cannot powerup display!\n");
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+ return;
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+ }
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+
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+ for (i = 0; i < 3; i++) {
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+ if (pin != 0) {
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+ swval = pin & 0x80 ? 0 : 1;
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+ if (on)
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+ gpio_direction_output(pin & 0x7F, swval);
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+ else
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+ gpio_direction_output(pin & 0x7F, !swval);
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+
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+ debug("switched pin %d to %d\n", pin & 0x7F, swval);
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+ }
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+ pin >>= 8;
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+ }
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+}
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+
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+vidinfo_t panel_info = {
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+ .vl_col = 1366, /*
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+ * give full resolution for allocating enough
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+ * memory
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+ */
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+ .vl_row = 768,
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+ .vl_bpix = 5,
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+ .priv = 0
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+};
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+
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+void lcd_ctrl_init(void *lcdbase)
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+{
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+ struct am335x_lcdpanel lcd_panel;
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+#ifdef CONFIG_USE_FDT
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+ /* TODO: is there a better place to load the dtb ? */
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+ load_devicetree();
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+#endif
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+ memset(&lcd_panel, 0, sizeof(struct am335x_lcdpanel));
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+ if (load_lcdtiming(&lcd_panel) != 0)
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+ return;
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+
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+ lcd_panel.panel_power_ctrl = &lcdpower;
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+
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+ if (0 != am335xfb_init(&lcd_panel))
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+ printf("ERROR: failed to initialize video!");
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+ /*
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+ * modifiy panel info to 'real' resolution, to operate correct with
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+ * lcd-framework.
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+ */
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+ panel_info.vl_col = lcd_panel.hactive;
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+ panel_info.vl_row = lcd_panel.vactive;
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+
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+ 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 @@ void blink(u32 blinks, u32 intervall, u32 pin)
|
|
|
|
|
|
gpio_set_value(pin, 0);
|
|
|
}
|
|
|
+
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
|
void pmicsetup(u32 mpupll)
|
|
|
{
|
|
@@ -115,6 +527,9 @@ void pmicsetup(u32 mpupll)
|
|
|
|
|
|
/* 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)
|