*
* common board functions for B&R boards
*
- * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
+ * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
* Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
-
+#include <version.h>
#include <common.h>
#include <errno.h>
-#include <spl.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/omap.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/mmc_host_def.h>
#include <asm/io.h>
#include <asm/gpio.h>
#include <i2c.h>
#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"
+#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(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
+ #define PATHTIM "/panel/display-timings/default"
+ #define PATHINF "/panel/panel-info"
+#endif
/* --------------------------------------------------------------------------*/
-void blink(u32 blinks, u32 intervall, u32 pin)
+#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 *timerhw;
+
+ if (on)
+ bright = bright != ~0UL ? bright : 50;
+ else
+ bright = 0;
+
+ switch (driver) {
+ case 2:
+ timerhw = (struct gptimer *)DM_TIMER5_BASE;
+ break;
+ default:
+ timerhw = (struct gptimer *)DM_TIMER6_BASE;
+ }
+
+ 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:
+ case 2: /* PWM using timer */
+ 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 dtbprop;
+ char buf[32];
+ const char *nodep = 0;
+ int nodeoff;
+
+ 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(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(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(PATHTIM, "hsync-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= HSYNC_INVERT;
+ dtbprop = FDTPROP(PATHTIM, "vsync-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= VSYNC_INVERT;
+ dtbprop = FDTPROP(PATHINF, "sync-ctrl");
+ if (dtbprop == 1)
+ pnltmp.pol |= HSVS_CONTROL;
+ dtbprop = FDTPROP(PATHINF, "sync-edge");
+ if (dtbprop == 1)
+ pnltmp.pol |= HSVS_RISEFALL;
+ dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
+ if (dtbprop == 0)
+ pnltmp.pol |= PXCLK_INVERT;
+ 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);
+ env_set("optargs_rot", buf);
+#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);
+ panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
+#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)
{
- gpio_direction_output(pin, 0);
- int val = 0;
+ int rc;
+ loff_t dtbsize;
+ u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
- do {
- val ^= 0x01;
- gpio_set_value(pin, val);
- mdelay(intervall);
- } while (blinks--);
+ 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(get_nand_dev_by_index(0), 0x40000,
+ (size_t *)&dtbsize,
+ NULL, 0x20000, (u_char *)dtbaddr);
+#else
+ char *dtbname = getenv("dtb");
+ char *dtbdev = getenv("dtbdev");
+ char *dtbpart = getenv("dtbpart");
+ if (!dtbdev || !dtbpart || !dtbname) {
+ printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
+ return -1;
+ }
+
+ if (fs_set_blk_dev(dtbdev, dtbpart, FS_TYPE_EXT)) {
+ puts("load_devicetree: set_blk_dev failed.\n");
+ return -1;
+ }
+ 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;
+ }
+
+ printf("%s: load dtb failed!\n", __func__);
+ return -1;
+}
+
+static const char *dtbmacaddr(u32 ifno)
+{
+ int node, len;
+ char enet[16];
+ const char *mac;
+ const char *path;
+
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
+ return NULL;
+ }
+
+ node = fdt_path_offset(gd->fdt_blob, "/aliases");
+ if (node < 0)
+ return NULL;
+
+ sprintf(enet, "ethernet%d", ifno);
+ path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
+ if (!path) {
+ printf("no alias for %s\n", enet);
+ return NULL;
+ }
+
+ 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;
- gpio_set_value(pin, 0);
+ return NULL;
}
+
+static void br_summaryscreen_printdtb(char *prefix,
+ char *name,
+ char *suffix)
+{
+ char buf[32] = { 0 };
+ const char *nodep = buf;
+ char *mac = 0;
+ int nodeoffset;
+ int len;
+
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
+ 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(gd->fdt_blob,
+ "/factory-settings");
+ if (nodeoffset < 0) {
+ puts("no 'factory-settings' in dtb!\n");
+ return;
+ }
+ nodep = fdt_getprop(gd->fdt_blob, 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;
+ }
+ /*
+ * 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
+
+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
+ if (gd->fdt_blob == NULL) {
+ printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
+ return;
+ }
+ pin = FDTPROP(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)
+{
+ br_summaryscreen();
+ lcdbacklight(1);
+}
+#elif CONFIG_SPL_BUILD
+#else
+#error "LCD-support with a suitable FB-Driver is mandatory !"
+#endif /* CONFIG_LCD */
+
#ifdef CONFIG_SPL_BUILD
void pmicsetup(u32 mpupll)
{
int mpu_vdd;
int usb_cur_lim;
- /* setup I2C */
- enable_i2c0_pin_mux();
- i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
-
if (i2c_probe(TPS65217_CHIP_PM)) {
puts("PMIC (0x24) not found! skip further initalization.\n");
return;
/* 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)
};
#endif /* CONFIG_DRIVER_TI_CPSW, ... */
-#if defined(CONFIG_DRIVER_TI_CPSW)
-
+#if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
int board_eth_init(bd_t *bis)
{
int rv = 0;
- uint8_t mac_addr[6];
+ char mac_addr[6];
+ const char *mac = 0;
uint32_t mac_hi, mac_lo;
-
/* try reading mac address from efuse */
mac_lo = readl(&cdev->macid0l);
mac_hi = readl(&cdev->macid0h);
mac_addr[4] = mac_lo & 0xFF;
mac_addr[5] = (mac_lo & 0xFF00) >> 8;
-#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
- (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
if (!getenv("ethaddr")) {
- printf("<ethaddr> not set. Validating first E-fuse MAC ... ");
-
- if (is_valid_ether_addr(mac_addr)) {
- printf("using: %02X:%02X:%02X:%02X:%02X:%02X.\n",
- mac_addr[0], mac_addr[1], mac_addr[2],
- mac_addr[3], mac_addr[4], mac_addr[5]
- );
- eth_setenv_enetaddr("ethaddr", mac_addr);
+ #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
+ printf("<ethaddr> not set. trying DTB ... ");
+ mac = dtbmacaddr(0);
+ #endif
+ if (!mac) {
+ printf("<ethaddr> not set. validating E-fuse MAC ... ");
+ if (is_valid_ethaddr((const u8 *)mac_addr))
+ mac = (const char *)mac_addr;
+ }
+
+ if (mac) {
+ printf("using: %pM on ", mac);
+ eth_env_set_enetaddr("ethaddr", (const u8 *)mac);
}
}
writel(MII_MODE_ENABLE, &cdev->miisel);
printf("Error %d registering CPSW switch\n", rv);
return 0;
}
-#endif /* CONFIG_DRIVER_TI_CPSW, ... */
return rv;
}
-#endif /* CONFIG_DRIVER_TI_CPSW */
+#endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
+#if defined(CONFIG_MMC)
+int board_mmc_init(bd_t *bis)
+{
+ int rc = 0;
+
+ rc |= omap_mmc_init(0, 0, 0, -1, -1);
+ rc |= omap_mmc_init(1, 0, 0, -1, -1);
+
+ return rc;
+}
+#endif
+int overwrite_console(void)
+{
+ return 1;
+}
projects / u-boot / blobdiff