Dear Otavio Salvador,
This enables the 'Fast Auto Pre-Charge' found in the memory chip.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br
Changes in v2:
- Improve commit message
arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index 836e636..a9efd87 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -90,7 +90,7 @@ static uint32_t dram_vals[] = { #elif defined(CONFIG_MX23) 0x01010001, 0x00010100, 0x01000101, 0x00000001, 0x00000101, 0x00000000, 0x00010000, 0x01000001,
- 0x00000000, 0x00000001, 0x07000200, 0x00070202,
- 0x01000000, 0x00000001, 0x07000200, 0x00070202, 0x02020000, 0x04040a01, 0x00000201, 0x02040000, 0x02000000, 0x19000f08, 0x0d0d0000, 0x02021313, 0x02061521, 0x0000000a, 0x00080008, 0x00200020,
I went through the u-boot mem init and detected you apparently added the following undocumented portion of code (the writel((1 << 24 ...) already:
112 static void initialize_dram_values(void) 113 { 114 int i; 115 116 mxs_adjust_memory_params(dram_vals); 117 118 for (i = 0; i < ARRAY_SIZE(dram_vals); i++) 119 writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); 120 121 #ifdef CONFIG_MX23 122 writel((1 << 24), MXS_DRAM_BASE + (4 * 8)); 123 #endif 124 }
It does enable the TRANS_LOCKOUT. So what the heck is going on here? Are you coding this stuff at random now ? WHAT THE FUCK IS HAPPENING HERE ?!
Best regards, Marek Vasut