Re: Configure RAM size on iMX53 board

[Sascha Hauer <s.hauer@pengutronix.de>]

On Sat, Nov 05, 2016 at 07:39:53AM +0100, Jose Luis Zabalza wrote:
> Thanks Sascha, but something I do wrong
> 
> I tried set fixed size to 512M, but neither works.
> 
> With these changes does not work or 512MB board  or 1GB board.
> 
> =========<cut lowlevel.c>===============
> 
> #include <common.h>
> #include <mach/imx53-regs.h>
> #include <mach/esdctl.h>
> #include <mach/generic.h>
> #include <asm/barebox-arm-head.h>
> #include <asm/barebox-arm.h>
> 
> void __naked barebox_arm_reset_vector(void)
> {
>     imx5_cpu_lowlevel_init();
>     arm_setup_stack(MX53_IRAM_BASE_ADDR + MX53_IRAM_SIZE - 8);
> //    imx53_barebox_entry(NULL);
>     barebox_arm_entry(MX53_CSD0_BASE_ADDR,SZ_512M,NULL);
> }

Hm, it should work like this, but maybe the memory layout is not what we
expect. Could you apply the following and see what we get for both
memory variants (still using imx53_barebox_entry() above so that you
actually get to that point)?

Sascha

--------------------------------8<--------------------------------------

From c3024dcd0e9c494adeb3f9ffbb6ec41ee4787b2d Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Mon, 7 Nov 2016 08:41:01 +0100
Subject: [PATCH] ARM: i.MX53: Add some memory debug

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 arch/arm/mach-imx/esdctl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c
index 106e648..d217495 100644
--- a/arch/arm/mach-imx/esdctl.c
+++ b/arch/arm/mach-imx/esdctl.c
@@ -276,6 +276,9 @@ static void imx_esdctl_v3_add_mem(void *esdctlbase, struct imx_esdctl_data *data
 
 static void imx_esdctl_v4_add_mem(void *esdctlbase, struct imx_esdctl_data *data)
 {
+	printf("CS0: 0x%08lx\n", imx_v4_sdram_size(esdctlbase, 0));
+	printf("CS1: 0x%08lx\n", imx_v4_sdram_size(esdctlbase, 1));
+
 	add_mem(data->base0, imx_v4_sdram_size(esdctlbase, 0),
 			data->base1, imx_v4_sdram_size(esdctlbase, 1));
 }
-- 
2.10.1

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