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about i.mx6q boot question

Question asked by tom yang on Aug 10, 2012
Latest reply on Sep 6, 2012 by Frank Liu

I want boot i.mx6q_arm2 from sd,I use 4GB DDR3,8 chips,BSP is L3.0.15_12.05.01.
question:
1:system no boot when Temperature less than 43 C.(CPU is PCIMX6Q6AVT10AB)
boot logs:
U-Boot 2009.08 ( 8鏈?10 2012 - 18:44:25)
U-Boot code: 27800720 -> 27831000 BSS: -> 278664B4
CPU: Freescale i.MX6 family TO0.0 at 792 MHz
Temperature: 60 C, calibration data 0x5874de7d
.......
2:4GB DDR3 only find 2GB(BANK 1,DDR3 type is EDJ4216BASE )
I modify mx6q_arm.h
#define CONFIG_NR_DRAM_BANKS 2
#define PHYS_SDRAM_1 CSD0_DDR_BASE_ADDR
#define PHYS_SDRAM_1_SIZE (2u*1024*1024*1024)
#define PHYS_SDRAM_2 CSD1_DDR_BASE_ADDR
#define PHYS_SDRAM_2_SIZE (2u*1024*1024*1024)
#define iomem_valid_addr(addr,size) \
((addr>=PHYS_SDRAM_1 && addr<=(PHYS_SDRAM_1+PHYS_SDRAM_1_SIZE)) \
|| (addr>=PHYS_SDRAM_2 && addr<=(PHYS_SDRAM_2+PHYS_SDRAM_2_SIZE)))
boot logs:
Board: MX6Q/SDL-ARM2:[ POR ]
Boot Device: SD
I2C: ready
RAM Configuration:
Bank #0: 00000000 0 kB
Bank #1: 00000000 0 kB
RAM Configuration:
Bank #0: 10000000 2 GB
Bank #1: 00000000 0 kB
What is cause? please help me, thanks!

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