0001-sama5d3_xplained-uEnv.txt-bootz-n-fixes.patch

From 1d269531c5aeaac28c6f6113c313b8573f9b691f Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 1 Dec 2015 11:13:03 -0600
Subject: [PATCH] sama5d3_xplained: uEnv.txt, bootz, n fixes

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
 board/atmel/sama5d3_xplained/sama5d3_xplained.c | 81 +++++++++++++++++++++++++
 include/configs/at91-sama5_common.h             |  8 +--
 include/configs/sama5d3_xplained.h              | 15 +++++
 3 files changed, 100 insertions(+), 4 deletions(-)

diff --git a/board/atmel/sama5d3_xplained/sama5d3_xplained.c b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
index 7a01149..0ab1953 100644
--- a/board/atmel/sama5d3_xplained/sama5d3_xplained.c
+++ b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
@@ -14,6 +14,8 @@
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/clk.h>
+#include <lcd.h>
+#include <atmel_lcdc.h>
 #include <atmel_mci.h>
 #include <net.h>
 #include <netdev.h>
@@ -72,6 +74,81 @@ static void sama5d3_xplained_mci0_hw_init(void)
 }
 #endif
 
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+	.vl_col = 480,
+	.vl_row = 272,
+	.vl_clk = 27000000,
+	.vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL,
+	.vl_bpix = LCD_BPP,
+	.vl_tft = 1,
+	.vl_hsync_len = 128,
+	.vl_left_margin = 64,
+	.vl_right_margin = 64,
+	.vl_vsync_len = 2,
+	.vl_upper_margin = 22,
+	.vl_lower_margin = 21,
+	.mmio = ATMEL_BASE_LCDC,
+};
+
+void lcd_enable(void)
+{
+}
+
+void lcd_disable(void)
+{
+}
+
+static void sama5d3_xplained_lcd_hw_init(void)
+{
+	gd->fb_base = CONFIG_SAMA5D3_LCD_BASE;
+
+	/* The higher 8 bit of LCD is board related */
+	at91_set_c_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD16 */
+	at91_set_c_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD17 */
+	at91_set_c_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD18 */
+	at91_set_c_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD19 */
+	at91_set_c_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD20 */
+	at91_set_c_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD21 */
+	at91_set_c_periph(AT91_PIO_PORTE, 27, 0);	/* LCDD22 */
+	at91_set_c_periph(AT91_PIO_PORTE, 28, 0);	/* LCDD23 */
+
+	/* Configure lower 16 bit of LCD and enable clock */
+	at91_lcd_hw_init();
+}
+
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+
+void lcd_show_board_info(void)
+{
+	ulong dram_size;
+	uint64_t nand_size;
+	int i;
+	char temp[32];
+
+	lcd_printf("%s\n", U_BOOT_VERSION);
+	lcd_printf("(C) 2013 ATMEL Corp\n");
+	lcd_printf("at91@atmel.com\n");
+	lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
+		   strmhz(temp, get_cpu_clk_rate()));
+
+	dram_size = 0;
+	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+		dram_size += gd->bd->bi_dram[i].size;
+
+	nand_size = 0;
+#ifdef CONFIG_NAND_ATMEL
+	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+		nand_size += nand_info[i].size;
+#endif
+	lcd_printf("%ld MB SDRAM, %lld MB NAND\n",
+		   dram_size >> 20, nand_size >> 20);
+}
+#endif /* CONFIG_LCD_INFO */
+#endif /* CONFIG_LCD */
+
 int board_early_init_f(void)
 {
 	at91_periph_clk_enable(ATMEL_ID_PIOA);
@@ -103,6 +180,10 @@ int board_init(void)
 	at91_gmac_hw_init();
 	at91_macb_hw_init();
 #endif
+#ifdef CONFIG_LCD
+	if (has_lcdc())
+		sama5d3_xplained_lcd_hw_init();
+#endif
 	return 0;
 }
 
diff --git a/include/configs/at91-sama5_common.h b/include/configs/at91-sama5_common.h
index 9db4a4f..e47e138 100644
--- a/include/configs/at91-sama5_common.h
+++ b/include/configs/at91-sama5_common.h
@@ -35,7 +35,7 @@
 /* general purpose I/O */
 #define CONFIG_AT91_GPIO
 
-#define CONFIG_BOOTDELAY		3
+#define CONFIG_BOOTDELAY		1
 
 /*
  * BOOTP options
@@ -71,12 +71,12 @@
 #define CONFIG_BOOTCOMMAND	"if test ! -n ${dtb_name}; then "	\
 				    "setenv dtb_name at91-${board_name}.dtb; " \
 				"fi; "					\
-				"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
+				"fatload mmc 0:1 0x21000000 /dtbs/${dtb_name}; " \
 				"fatload mmc 0:1 0x22000000 zImage; "	\
 				"bootz 0x22000000 - 0x21000000"
 #define CONFIG_BOOTARGS							\
-	"console=ttyS0,115200 earlyprintk "				\
-	"root=/dev/mmcblk0p2 rw rootwait"
+	"console=ttyS0,115200 "				\
+	"root=/dev/mmcblk0p2 ro rootwait"
 #else
 #define CONFIG_BOOTARGS							\
 	"console=ttyS0,115200 earlyprintk "				\
diff --git a/include/configs/sama5d3_xplained.h b/include/configs/sama5d3_xplained.h
index 73de62c..5b44b5e 100644
--- a/include/configs/sama5d3_xplained.h
+++ b/include/configs/sama5d3_xplained.h
@@ -71,6 +71,21 @@
 #define CONFIG_CMD_UBIFS
 #endif
 
+/* LCD */
+#define CONFIG_LCD
+#define LCD_BPP				LCD_COLOR16
+#define LCD_OUTPUT_BPP                  24
+#define CONFIG_LCD_LOGO
+#define CONFIG_LCD_INFO
+#define CONFIG_LCD_INFO_BELOW_LOGO
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define CONFIG_ATMEL_HLCD
+#define CONFIG_ATMEL_LCD_RGB565
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+
+/* board specific (not enough SRAM) */
+#define CONFIG_SAMA5D3_LCD_BASE		0x23E00000
+
 /* Ethernet Hardware */
 #define CONFIG_MACB
 #define CONFIG_RMII
-- 
2.6.2