u-boot/board/sunxi/dram_sun4i_auto.c
Hans de Goede 8ffc487c75 sunxi: Stop differentiating between 512M and 1G variants of the same board
While working on adding more boards I noticed that we lack a config for
the 512M cubieboard, and that some of the new boards which I want to add also
have 512M and 1G variants, rather then adding 2 defconfig's for all of these,
lets switch the exising boards which have both a 512M and 1024M variant over
to the sun4i dram autoconfig code.

This also drops the foo_RAMSIZE_defconfig variants of boards where we currently
have 2 separate configs already.

Note:
1) The newly introduced CONFIG_DRAM_EMR1 kconfig value is not used with
a value other then its default for now, but we need this to be configurable
to support some new boards with auto dram config.

2) We always set all CONFIG_DRAM_foo values in defconfigs, even if they match
the defaults, this is done to make it more clear what values are used for a
certain board.

This has been tested on a Mele A1000, Mini-X and a Cubieboard, all 1G
variants, the dram autoconfig code has also been tested on a 512M mk802
(a defconfig for the mk802 is added in a later patch).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
2015-01-22 12:34:56 +01:00

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C

#include <common.h>
#include <asm/arch/dram.h>
static struct dram_para dram_para = {
.clock = CONFIG_DRAM_CLK,
.type = 3,
.rank_num = 1,
.density = 0,
.io_width = 0,
.bus_width = 0,
.cas = 6,
.zq = CONFIG_DRAM_ZQ,
.odt_en = 0,
.size = 0,
.tpr0 = 0x30926692,
.tpr1 = 0x1090,
.tpr2 = 0x1a0c8,
.tpr3 = 0,
.tpr4 = 0,
.tpr5 = 0,
.emr1 = CONFIG_DRAM_EMR1,
.emr2 = 0,
.emr3 = 0,
};
unsigned long sunxi_dram_init(void)
{
return dramc_init(&dram_para);
}