* Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com>
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <net.h>
#include <netdev.h>
#include <asm/arch/hardware.h>
-#include <asm/arch/emif_defs.h>
+#include <asm/ti-common/davinci_nand.h>
#include <asm/arch/emac_defs.h>
#include <asm/io.h>
#include <asm/arch/davinci_misc.h>
-#include <asm/arch/gpio.h>
+#include <asm/gpio.h>
+#include "../../../drivers/video/da8xx-fb.h"
DECLARE_GLOBAL_DATA_PTR;
-#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
+static const struct da8xx_panel lcd_panel = {
+ /* Casio COM57H531x */
+ .name = "Casio_COM57H531x",
+ .width = 640,
+ .height = 480,
+ .hfp = 12,
+ .hbp = 144,
+ .hsw = 30,
+ .vfp = 10,
+ .vbp = 35,
+ .vsw = 3,
+ .pxl_clk = 25000000,
+ .invert_pxl_clk = 0,
+};
+
+static const struct display_panel disp_panel = {
+ QVGA,
+ 16,
+ 16,
+ COLOR_ACTIVE,
+};
+
+static const struct lcd_ctrl_config lcd_cfg = {
+ &disp_panel,
+ .ac_bias = 255,
+ .ac_bias_intrpt = 0,
+ .dma_burst_sz = 16,
+ .bpp = 16,
+ .fdd = 255,
+ .tft_alt_mode = 0,
+ .stn_565_mode = 0,
+ .mono_8bit_mode = 0,
+ .invert_line_clock = 1,
+ .invert_frm_clock = 1,
+ .sync_edge = 0,
+ .sync_ctrl = 1,
+ .raster_order = 0,
+};
/* SPI0 pin muxer settings */
static const struct pinmux_config spi1_pins[] = {
{ pinmux(5), 1, 5 }
};
+/* I2C pin muxer settings */
+static const struct pinmux_config i2c_pins[] = {
+ { pinmux(4), 2, 2 },
+ { pinmux(4), 2, 3 }
+};
+
/* UART0 pin muxer settings */
static const struct pinmux_config uart_pins[] = {
{ pinmux(3), 2, 7 },
const struct pinmux_config gpio_pins[] = {
{ pinmux(13), 8, 0 }, /* GPIO6[15] RESETOUTn on SOM*/
{ pinmux(13), 8, 5 }, /* GPIO6[10] U0_SW0 on EA20-00101_2*/
- { pinmux(13), 8, 3 } /* GPIO6[12] U0_SW1 on EA20-00101_2*/
+ { pinmux(13), 8, 3 }, /* GPIO6[12] U0_SW1 on EA20-00101_2*/
+ { pinmux(19), 8, 5 }, /* GPIO6[1] DISP_ON */
+ { pinmux(14), 8, 1 } /* GPIO6[6] LCD_B_PWR*/
+};
+
+const struct pinmux_config lcd_pins[] = {
+ { pinmux(17), 2, 1 }, /* LCD_D_0 */
+ { pinmux(17), 2, 0 }, /* LCD_D_1 */
+ { pinmux(16), 2, 7 }, /* LCD_D_2 */
+ { pinmux(16), 2, 6 }, /* LCD_D_3 */
+ { pinmux(16), 2, 5 }, /* LCD_D_4 */
+ { pinmux(16), 2, 4 }, /* LCD_D_5 */
+ { pinmux(16), 2, 3 }, /* LCD_D_6 */
+ { pinmux(16), 2, 2 }, /* LCD_D_7 */
+ { pinmux(18), 2, 1 }, /* LCD_D_8 */
+ { pinmux(18), 2, 0 }, /* LCD_D_9 */
+ { pinmux(17), 2, 7 }, /* LCD_D_10 */
+ { pinmux(17), 2, 6 }, /* LCD_D_11 */
+ { pinmux(17), 2, 5 }, /* LCD_D_12 */
+ { pinmux(17), 2, 4 }, /* LCD_D_13 */
+ { pinmux(17), 2, 3 }, /* LCD_D_14 */
+ { pinmux(17), 2, 2 }, /* LCD_D_15 */
+ { pinmux(18), 2, 6 }, /* LCD_PCLK */
+ { pinmux(19), 2, 0 }, /* LCD_HSYNC */
+ { pinmux(19), 2, 1 }, /* LCD_VSYNC */
+ { pinmux(19), 2, 6 }, /* DA850_NLCD_AC_ENB_CS */
+};
+
+const struct pinmux_config halten_pin[] = {
+ { pinmux(3), 4, 2 } /* GPIO8[6] HALTEN */
};
static const struct pinmux_resource pinmuxes[] = {
PINMUX_ITEM(spi1_pins),
#endif
PINMUX_ITEM(uart_pins),
+ PINMUX_ITEM(i2c_pins),
#ifdef CONFIG_NAND_DAVINCI
PINMUX_ITEM(nand_pins),
#endif
+#ifdef CONFIG_VIDEO
+ PINMUX_ITEM(lcd_pins),
+#endif
};
static const struct lpsc_resource lpsc[] = {
{ DAVINCI_LPSC_EMAC }, /* image download */
{ DAVINCI_LPSC_UART0 }, /* console */
{ DAVINCI_LPSC_GPIO },
+ { DAVINCI_LPSC_LCDC }, /* LCD */
};
-int board_init(void)
+int board_early_init_f(void)
{
- struct davinci_gpio *gpio6_base =
- (struct davinci_gpio *)DAVINCI_GPIO_BANK67;
-
/* PinMux for GPIO */
if (davinci_configure_pin_mux(gpio_pins, ARRAY_SIZE(gpio_pins)) != 0)
return 1;
+ /* Set DISP_ON high to enable LCD output*/
+ gpio_direction_output(97, 1);
+
/* Set the RESETOUTn low */
- writel((readl(&gpio6_base->set_data) & ~(1 << 15)),
- &gpio6_base->set_data);
- writel((readl(&gpio6_base->dir) & ~(1 << 15)), &gpio6_base->dir);
+ gpio_direction_output(111, 0);
/* Set U0_SW0 low for UART0 as console*/
- writel((readl(&gpio6_base->set_data) & ~(1 << 10)),
- &gpio6_base->set_data);
- writel((readl(&gpio6_base->dir) & ~(1 << 10)), &gpio6_base->dir);
+ gpio_direction_output(106, 0);
/* Set U0_SW1 low for UART0 as console*/
- writel((readl(&gpio6_base->set_data) & ~(1 << 12)),
- &gpio6_base->set_data);
- writel((readl(&gpio6_base->dir) & ~(1 << 12)), &gpio6_base->dir);
+ gpio_direction_output(108, 0);
+
+ /* Set LCD_B_PWR low to power down LCD Backlight*/
+ gpio_direction_output(102, 0);
#ifndef CONFIG_USE_IRQ
irq_init();
&davinci_emif_regs->ab1cr); /* CS2 */
#endif
- /* arch number of the board */
- gd->bd->bi_arch_number = MACH_TYPE_EA20;
-
- /* address of boot parameters */
- gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
-
/*
* Power on required peripherals
* ARM does not have access by default to PSC0 and PSC1
DAVINCI_UART_PWREMU_MGMT_UTRST),
&davinci_uart0_ctrl_regs->pwremu_mgmt);
+ /*
+ * Reconfigure the LCDC priority to the highest to ensure that
+ * the throughput/latency requirements for the LCDC are met.
+ */
+ writel(readl(&davinci_syscfg_regs->mstpri[2]) & 0x0fffffff,
+ &davinci_syscfg_regs->mstpri[2]);
+
+
+ return 0;
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
+int board_init(void)
+{
+ /* arch number of the board */
+ gd->bd->bi_arch_number = MACH_TYPE_EA20;
+
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
+
+ da8xx_video_init(&lcd_panel, &lcd_cfg, 16);
+
+ return 0;
+}
+
+#ifdef CONFIG_BOARD_LATE_INIT
+
+int board_late_init(void)
+{
+ unsigned char buf[2];
+ int ret;
+
+ /* PinMux for HALTEN */
+ if (davinci_configure_pin_mux(halten_pin, ARRAY_SIZE(halten_pin)) != 0)
+ return 1;
+
+ /* Set HALTEN to high */
+ gpio_direction_output(134, 1);
+
+ /* Set fixed contrast settings for LCD via I2C potentiometer */
+ buf[0] = 0x00;
+ buf[1] = 0xd7;
+ ret = i2c_write(0x2e, 6, 1, buf, 2);
+ if (ret)
+ puts("\nContrast Settings FAILED\n");
+
+ /* Set LCD_B_PWR high to power up LCD Backlight*/
+ gpio_set_value(102, 1);
return 0;
}
+#endif /* CONFIG_BOARD_LATE_INIT */
#ifdef CONFIG_DRIVER_TI_EMAC
projects / karo-tx-uboot.git / blobdiff