mirror of
https://github.com/Fishwaldo/u-boot.git
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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>
This commit is contained in:
Hannes Petermaier
Tom Rini
parent
1b7caf1123
commit
fbd5aeda48
5 changed files with 463 additions and 19 deletions
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@ -12,6 +12,10 @@
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#ifndef _BUR_COMMON_H_
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#define _BUR_COMMON_H_
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#include <../../../drivers/video/am335x-fb.h>
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int load_lcdtiming(struct am335x_lcdpanel *panel);
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void br_summaryscreen(void);
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void blink(u32 blinks, u32 intervall, u32 pin);
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void pmicsetup(u32 mpupll);
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void enable_uart0_pin_mux(void);
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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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#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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DECLARE_GLOBAL_DATA_PTR;
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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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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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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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/* 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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/* 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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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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return 0;
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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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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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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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puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
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return -1;
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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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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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node = fdt_path_offset((void *)dtbaddr, "/aliases");
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if (node < 0)
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return NULL;
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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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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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return NULL;
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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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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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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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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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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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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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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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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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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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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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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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lcd_panel.panel_power_ctrl = &lcdpower;
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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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lcd_set_flush_dcache(1);
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}
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void lcd_enable(void)
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{
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#ifdef CONFIG_USE_FDT
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u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
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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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unsigned int driver = FDTPROP(dtbaddr, PATHINF, "brightdrv");
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unsigned int bright = FDTPROP(dtbaddr, PATHINF, "brightdef");
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unsigned int pwmfrq = FDTPROP(dtbaddr, PATHINF, "brightfdim");
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#else
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unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
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unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
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unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
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#endif
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unsigned int tmp;
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struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;
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bright = bright != ~0UL ? bright : 50;
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switch (driver) {
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case 0: /* PMIC LED-Driver */
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/* brightness level */
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tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
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TPS65217_WLEDCTRL2, bright, 0xFF);
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/* turn on light */
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tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
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TPS65217_WLEDCTRL1, 0x0A, 0xFF);
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break;
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case 1: /* PWM using timer6 */
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if (pwmfrq != ~0UL) {
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timerhw->tiocp_cfg = TCFG_RESET;
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udelay(10);
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while (timerhw->tiocp_cfg & TCFG_RESET)
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;
|
||||
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)
|
||||
|
|
|
|||
|
|
@ -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 @@ static const struct ctrl_ioregs ddr3_ioregs = {
|
|||
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 @@ static const struct dpll_params dpll_ddr3 = { 400, OSC-1, 1, -1, -1, -1, -1};
|
|||
|
||||
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 @@ int board_init(void)
|
|||
#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 */
|
||||
|
|
|
|||
|
|
@ -14,6 +14,12 @@
|
|||
|
||||
#include <configs/bur_am335x_common.h>
|
||||
/* ------------------------------------------------------------------------- */
|
||||
#define CONFIG_AM335X_LCD
|
||||
#define CONFIG_LCD
|
||||
#define CONFIG_LCD_NOSTDOUT
|
||||
#define CONFIG_SYS_WHITE_ON_BLACK
|
||||
#define LCD_BPP LCD_COLOR32
|
||||
|
||||
/* Clock Defines */
|
||||
#define V_OSCK 26000000 /* Clock output from T2 */
|
||||
#define V_SCLK (V_OSCK)
|
||||
|
|
@ -22,6 +28,8 @@
|
|||
|
||||
/* Support both device trees and ATAGs. */
|
||||
#define CONFIG_OF_LIBFDT
|
||||
#define CONFIG_USE_FDT /* use fdt within board code */
|
||||
#define CONFIG_OF_BOARD_SETUP
|
||||
#define CONFIG_CMDLINE_TAG
|
||||
#define CONFIG_SETUP_MEMORY_TAGS
|
||||
#define CONFIG_INITRD_TAG
|
||||
|
|
|
|||
|
|
@ -73,6 +73,7 @@ enum {
|
|||
#define TPS65217_LDO_VOLTAGE_OUT_1_8 0x06
|
||||
#define TPS65217_LDO_VOLTAGE_OUT_3_3 0x1F
|
||||
|
||||
#define TPS65217_PWR_OFF 0x80
|
||||
#define TPS65217_PWR_SRC_USB_BITMASK 0x4
|
||||
#define TPS65217_PWR_SRC_AC_BITMASK 0x8
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue