imx: imx8mp_evk: fix boot issue

The u-boot-spl.bin pad with ddr firmware conflicts with the
CONFIG_MALLOC_F_ADDR area, the ddr firmware will be overwritten
by malloc in SPL stage and cause ddr initialization not able
to finish. So update the related addresses to fix the issue.
Reported-by: NFabio Estevam <festevam@gmail.com>
Signed-off-by: NPeng Fan <peng.fan@nxp.com>
Signed-off-by: NFabio Estevam <festevam@gmail.com>

configs/imx8mp_evk_defconfig

@@ -4,7 +4,8 @@ CONFIG_SYS_TEXT_BASE=0x40200000
 CONFIG_SPL_GPIO_SUPPORT=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
 CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_SYS_MALLOC_F_LEN=0x10000
+CONFIG_SYS_MALLOC_F_LEN=0x8000
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
 CONFIG_ENV_SIZE=0x1000
 CONFIG_ENV_OFFSET=0x400000
 CONFIG_SYS_I2C_MXC_I2C1=y

include/configs/imx8mp_evk.h

@@ -24,16 +24,14 @@
 #ifdef CONFIG_SPL_BUILD
 /*#define CONFIG_ENABLE_DDR_TRAINING_DEBUG*/
 #define CONFIG_SPL_LDSCRIPT		"arch/arm/cpu/armv8/u-boot-spl.lds"
-#define CONFIG_SPL_STACK		0x990000
-#define CONFIG_SPL_BSS_START_ADDR      0x0095e000
-#define CONFIG_SPL_BSS_MAX_SIZE        0x2000	/* 8 KB */
-#define CONFIG_SYS_SPL_MALLOC_START    0x42200000
-#define CONFIG_SYS_SPL_MALLOC_SIZE     SZ_512K	/* 512 KB */
+#define CONFIG_SPL_STACK		0x960000
+#define CONFIG_SPL_BSS_START_ADDR	0x0098FC00
+#define CONFIG_SPL_BSS_MAX_SIZE		0x400	/* 1 KB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x42200000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_512K	/* 512 KB */
 #define CONFIG_SYS_ICACHE_OFF
 #define CONFIG_SYS_DCACHE_OFF
 
-#define CONFIG_MALLOC_F_ADDR		0x940000
-
 #define CONFIG_SPL_ABORT_ON_RAW_IMAGE
 
 #undef CONFIG_DM_MMC