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/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <init.h>
#include <common.h>
#include <sizes.h>
#include <asm/io.h>
#include <mach/imx51-regs.h>
#include "gpio.h"
void *imx_gpio_base[] = {
(void *)0x87f84000,
(void *)0x73f88000,
(void *)0x73f8c000,
(void *)0x73f90000,
};
int imx_gpio_count = ARRAY_SIZE(imx_gpio_base) * 32;
#define SI_REV 0x48
static u32 mx51_silicon_revision;
static char *mx51_rev_string = "unknown";
int imx_silicon_revision(void)
{
return mx51_silicon_revision;
}
static int query_silicon_revision(void)
{
void __iomem *rom = MX51_IROM_BASE_ADDR;
u32 rev;
rev = readl(rom + SI_REV);
switch (rev) {
case 0x1:
mx51_silicon_revision = MX51_CHIP_REV_1_0;
mx51_rev_string = "1.0";
break;
case 0x2:
mx51_silicon_revision = MX51_CHIP_REV_1_1;
mx51_rev_string = "1.1";
break;
case 0x10:
mx51_silicon_revision = MX51_CHIP_REV_2_0;
mx51_rev_string = "2.0";
break;
case 0x20:
mx51_silicon_revision = MX51_CHIP_REV_3_0;
mx51_rev_string = "3.0";
break;
default:
mx51_silicon_revision = 0;
}
return 0;
}
core_initcall(query_silicon_revision);
static int imx51_print_silicon_rev(void)
{
printf("detected i.MX51 rev %s\n", mx51_rev_string);
return 0;
}
device_initcall(imx51_print_silicon_rev);
static int imx51_init(void)
{
add_generic_device("imx_iim", 0, NULL, MX51_IIM_BASE_ADDR, SZ_4K,
IORESOURCE_MEM, NULL);
return 0;
}
coredevice_initcall(imx51_init);
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