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at91: introduce commom AT91_BASE_SYS

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On all at91 except rm9200 and x40 have the System Controller starts
at address 0xffffc000 and has a size of 16KiB.

On rm9200 it's start at 0xfffe4000 of 111KiB with non reserved data starting
at 0xfffff000

This patch removes the individual definitions of AT91_BASE_SYS and
replaces them with a common version at base 0xfffffc000 and size 16KiB
and map the same memory space

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Patrice Vilchez <patrice.vilchez@atmel.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD
2011-04-23 15:28:34 +08:00
committed by Arnd Bergmann
parent 02f8c6aee8
commit 21d08b9d55
54 changed files with 232 additions and 173 deletions
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22
arch/arm/mach-at91/at91sam9rl.c
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@@ -21,18 +21,10 @@
#include <mach/at91_rstc.h>
#include <mach/at91_shdwc.h>
#include "soc.h"
#include "generic.h"
#include "clock.h"
static struct map_desc at91sam9rl_io_desc[] __initdata = {
{
.virtual = AT91_VA_BASE_SYS,
.pfn = __phys_to_pfn(AT91_BASE_SYS),
.length = SZ_16K,
.type = MT_DEVICE,
},
};
static struct map_desc at91sam9rl_sram_desc[] __initdata = {
{
.pfn = __phys_to_pfn(AT91SAM9RL_SRAM_BASE),
@@ -287,13 +279,10 @@ static void at91sam9rl_poweroff(void)
* AT91SAM9RL processor initialization
* -------------------------------------------------------------------- */
void __init at91sam9rl_map_io(void)
static void __init at91sam9rl_map_io(void)
{
unsigned long cidr, sram_size;
/* Map peripherals */
iotable_init(at91sam9rl_io_desc, ARRAY_SIZE(at91sam9rl_io_desc));
cidr = at91_sys_read(AT91_DBGU_CIDR);
switch (cidr & AT91_CIDR_SRAMSIZ) {
@@ -312,7 +301,7 @@ void __init at91sam9rl_map_io(void)
iotable_init(at91sam9rl_sram_desc, ARRAY_SIZE(at91sam9rl_sram_desc));
}
void __init at91sam9rl_initialize(unsigned long main_clock)
static void __init at91sam9rl_initialize(unsigned long main_clock)
{
at91_arch_reset = at91sam9_alt_reset;
pm_power_off = at91sam9rl_poweroff;
@@ -381,3 +370,8 @@ void __init at91sam9rl_init_interrupts(unsigned int priority[NR_AIC_IRQS])
/* Enable GPIO interrupts */
at91_gpio_irq_setup();
}
struct at91_soc __initdata at91sam9rl_soc = {
.map_io = at91sam9rl_map_io,
.init = at91sam9rl_initialize,
};