armv8/ls1043ardb: Add sd boot support

Signed-off-by: Gong Qianyu <Qianyu.Gong@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>

board/freescale/ls1043ardb/README

@@ -84,3 +84,4 @@ Booting Options
 ---------------
 a) NOR boot
 b) NAND boot
+c) SD boot

board/freescale/ls1043ardb/cpld.c

@@ -61,6 +61,21 @@ void cpld_set_nand(void)
 	CPLD_WRITE(system_rst, 1);
 }
 
+void cpld_set_sd(void)
+{
+	u16 reg = CPLD_CFG_RCW_SRC_SD;
+	u8 reg5 = (u8)(reg >> 1);
+	u8 reg6 = (u8)(reg & 1);
+
+	cpld_rev_bit(&reg5);
+
+	CPLD_WRITE(soft_mux_on, 1);
+
+	CPLD_WRITE(cfg_rcw_src1, reg5);
+	CPLD_WRITE(cfg_rcw_src2, reg6);
+
+	CPLD_WRITE(system_rst, 1);
+}
 #ifdef DEBUG
 static void cpld_dump_regs(void)
 {
@@ -109,6 +124,8 @@ int do_cpld(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			cpld_set_altbank();
 		else if (strcmp(argv[2], "nand") == 0)
 			cpld_set_nand();
+		else if (strcmp(argv[2], "sd") == 0)
+			cpld_set_sd();
 		else
 			cpld_set_defbank();
 #ifdef DEBUG
@@ -128,6 +145,7 @@ U_BOOT_CMD(
 	"reset: reset to default bank\n"
 	"cpld reset altbank: reset to alternate bank\n"
 	"cpld reset nand: reset to boot from NAND flash\n"
+	"cpld reset sd: reset to boot from SD card\n"
 #ifdef DEBUG
 	"cpld dump - display the CPLD registers\n"
 #endif

board/freescale/ls1043ardb/cpld.h

@@ -41,4 +41,5 @@ void cpld_rev_bit(unsigned char *value);
 #define CPLD_BANK_SEL_MASK	0x07
 #define CPLD_BANK_SEL_ALTBANK	0x04
 #define CPLD_CFG_RCW_SRC_NAND	0x106
+#define CPLD_CFG_RCW_SRC_SD	0x040
 #endif

board/freescale/ls1043ardb/ls1043ardb.c

@@ -25,12 +25,17 @@ DECLARE_GLOBAL_DATA_PTR;
 int checkboard(void)
 {
 	static const char *freq[3] = {"100.00MHZ", "156.25MHZ"};
+#ifndef CONFIG_SD_BOOT
 	u8 cfg_rcw_src1, cfg_rcw_src2;
 	u32 cfg_rcw_src;
+#endif
 	u32 sd1refclk_sel;
 
 	printf("Board: LS1043ARDB, boot from ");
 
+#ifdef CONFIG_SD_BOOT
+	puts("SD\n");
+#else
 	cfg_rcw_src1 = CPLD_READ(cfg_rcw_src1);
 	cfg_rcw_src2 = CPLD_READ(cfg_rcw_src2);
 	cpld_rev_bit(&cfg_rcw_src1);
@@ -43,6 +48,7 @@ int checkboard(void)
 		puts("NAND\n");
 	else
 		printf("Invalid setting of SW4\n");
+#endif
 
 	printf("CPLD:  V%x.%x\nPCBA:  V%x.0\n", CPLD_READ(cpld_ver),
 	       CPLD_READ(cpld_ver_sub), CPLD_READ(pcba_ver));

board/freescale/ls1043ardb/ls1043ardb_rcw_sd.cfg

@@ -0,0 +1,7 @@
+#PBL preamble and RCW header
+aa55aa55 01ee0100
+# RCW
+0810000f 0c000000 00000000 00000000
+14550002 80004012 60040000 61002000
+00000000 00000000 00000000 00038800
+00000000 00001100 00000096 00000001

configs/ls1043ardb_sdcard_defconfig

@@ -0,0 +1,4 @@
+CONFIG_SPL=y
+CONFIG_SYS_EXTRA_OPTIONS="RAMBOOT_PBL,SPL_FSL_PBL,SD_BOOT,SYS_FSL_DDR4"
+CONFIG_ARM=y
+CONFIG_TARGET_LS1043ARDB=y

include/configs/ls1043a_common.h

@@ -60,6 +60,36 @@
 #define CONFIG_BAUDRATE			115200
 #define CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
 
+/* SD boot SPL */
+#ifdef CONFIG_SD_BOOT
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_LDSCRIPT		"arch/arm/cpu/armv8/u-boot-spl.lds"
+#define CONFIG_SPL_TARGET		"u-boot-with-spl.bin"
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+#define CONFIG_SPL_ENV_SUPPORT
+#define CONFIG_SPL_MPC8XXX_INIT_DDR_SUPPORT
+#define CONFIG_SPL_WATCHDOG_SUPPORT
+#define CONFIG_SPL_I2C_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_DRIVERS_MISC_SUPPORT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR		0xf0
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS		0x500
+
+#define CONFIG_SPL_TEXT_BASE		0x10000000
+#define CONFIG_SPL_MAX_SIZE		0x1d000
+#define CONFIG_SPL_STACK		0x1001e000
+#define CONFIG_SPL_PAD_TO		0x1d000
+
+#define CONFIG_SYS_SPL_MALLOC_START	(CONFIG_SYS_TEXT_BASE + \
+					CONFIG_SYS_MONITOR_LEN)
+#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000
+#define CONFIG_SPL_BSS_START_ADDR	0x80100000
+#define CONFIG_SPL_BSS_MAX_SIZE		0x80000
+#define CONFIG_SYS_MONITOR_LEN		0xa0000
+#endif
+
 /* NAND SPL */
 #ifdef CONFIG_NAND_BOOT
 #define CONFIG_SPL_PBL_PAD

include/configs/ls1043ardb.h

@@ -12,7 +12,7 @@
 #define CONFIG_DISPLAY_CPUINFO
 #define CONFIG_DISPLAY_BOARDINFO
 
-#if defined(CONFIG_NAND_BOOT)
+#if defined(CONFIG_NAND_BOOT) || defined(CONFIG_SD_BOOT)
 #define CONFIG_SYS_TEXT_BASE		0x82000000
 #else
 #define CONFIG_SYS_TEXT_BASE		0x60100000
@@ -45,6 +45,10 @@
 #define CONFIG_SYS_FSL_PBL_RCW board/freescale/ls1043ardb/ls1043ardb_rcw_nand.cfg
 #endif
 
+#ifdef CONFIG_SD_BOOT
+#define CONFIG_SYS_FSL_PBL_RCW board/freescale/ls1043ardb/ls1043ardb_rcw_sd.cfg
+#endif
+
 /*
  * NOR Flash Definitions
  */
@@ -227,6 +231,11 @@
 #define CONFIG_ENV_IS_IN_NAND
 #define CONFIG_ENV_SIZE			0x2000
 #define CONFIG_ENV_OFFSET		(10 * CONFIG_SYS_NAND_BLOCK_SIZE)
+#elif defined(CONFIG_SD_BOOT)
+#define CONFIG_ENV_OFFSET		(1024 * 1024)
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_ENV_SIZE			0x2000
 #else
 #define CONFIG_ENV_IS_IN_FLASH
 #define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + 0x200000)