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>

1 files changed, 34 insertions, 18 deletions

diff --git a/board/BuR/tseries/board.c b/board/BuR/tseries/board.c
index c0178e7..66747eb 100644
--- a/board/BuR/tseries/board.c
+++ b/board/BuR/tseries/board.c
@@ -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 */