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barebox/arch/arm/mach-clps711x/devices.c

98 lines
1.7 KiB
C

/*
* Copyright (C) 2012 Alexander Shiyan <shc_work@mail.ru>
*
* 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.
*/
#include <common.h>
#include <init.h>
#include <asm/io.h>
#include <mach/clps711x.h>
inline void _clps711x_setup_memcfg(int bank, u32 addr, u32 val)
{
u32 tmp = readl(addr);
tmp &= ~(0xff << (bank * 8));
tmp |= val << (bank * 8);
writel(tmp, addr);
}
void clps711x_setup_memcfg(int bank, u32 val)
{
switch (bank) {
case 0 ... 3:
_clps711x_setup_memcfg(bank, MEMCFG1, val);
break;
case 4 ... 7:
_clps711x_setup_memcfg(bank - 4, MEMCFG2, val);
break;
}
}
static struct resource uart0_resources[] = {
{
.start = UBRLCR1,
.end = UBRLCR1,
.flags = IORESOURCE_MEM,
},
{
.start = SYSCON1,
.end = SYSCON1,
.flags = IORESOURCE_MEM,
},
{
.start = SYSFLG1,
.end = SYSFLG1,
.flags = IORESOURCE_MEM,
},
{
.start = UARTDR1,
.end = UARTDR1,
.flags = IORESOURCE_MEM,
},
};
static struct resource uart1_resources[] = {
{
.start = UBRLCR2,
.end = UBRLCR2,
.flags = IORESOURCE_MEM,
},
{
.start = SYSCON2,
.end = SYSCON2,
.flags = IORESOURCE_MEM,
},
{
.start = SYSFLG2,
.end = SYSFLG2,
.flags = IORESOURCE_MEM,
},
{
.start = UARTDR2,
.end = UARTDR2,
.flags = IORESOURCE_MEM,
},
};
void clps711x_add_uart(unsigned int id)
{
switch (id) {
case 0:
add_generic_device_res("clps711x_serial", 0, uart0_resources,
ARRAY_SIZE(uart0_resources), NULL);
break;
case 1:
add_generic_device_res("clps711x_serial", 1, uart1_resources,
ARRAY_SIZE(uart1_resources), NULL);
break;
}
}