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share memory size detection code 

SVN-Revision: 17454
lede-17.01
Gabor Juhos 2009-08-31 18:53:26 +00:00
parent 3cc0bc9038
commit f4afb9a4f9
5 changed files with 26 additions and 35 deletions
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4
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt288x/ralink_soc.h
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@ -11,6 +11,10 @@
#ifndef __RT288X_RALINK_SOC_H
#define __RT288X_RALINK_SOC_H
#define RALINK_SOC_SDRAM_BASE 0x08000000
#define RALINK_SOC_MEM_SIZE_MIN (2 * 1024 * 1024)
#define RALINK_SOC_MEM_SIZE_MAX (128 * 1024 * 1024)
#define RALINK_SOC_GPIO_BASE 0x300600
#define RALINK_SOC_GPIO0_COUNT 24

4
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/rt305x/ralink_soc.h
View File

@ -11,6 +11,10 @@
#ifndef __RT288X_RALINK_SOC_H
#define __RT288X_RALINK_SOC_H
#define RALINK_SOC_SDRAM_BASE 0
#define RALINK_SOC_MEM_SIZE_MIN (2 * 1024 * 1024)
#define RALINK_SOC_MEM_SIZE_MAX (64 * 1024 * 1024)
#define RALINK_SOC_GPIO_BASE 0x10000600
#define RALINK_SOC_GPIO0_COUNT 24

18
target/linux/ramips/files/arch/mips/ralink/common/setup.c
View File

@ -13,12 +13,30 @@
#include <linux/init.h>
#include <linux/io.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-ralink/common.h>
#include <ralink_soc.h>
static void __init detect_mem_size(void)
{
unsigned long size;
for (size = RALINK_SOC_MEM_SIZE_MIN; size < RALINK_SOC_MEM_SIZE_MAX;
size <<= 1 ) {
if (!memcmp(detect_mem_size,
detect_mem_size + size, 1024))
break;
}
add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
}
void __init plat_mem_setup(void)
{
set_io_port_base(KSEG1);
detect_mem_size();
ramips_soc_setup();
}

19
target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
View File

@ -16,7 +16,6 @@
#include <linux/io.h>
#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
#include <asm/mips_machine.h>
#include <asm/reboot.h>
#include <asm/time.h>
@ -25,9 +24,6 @@
#include <asm/mach-ralink/rt288x.h>
#include <asm/mach-ralink/rt288x_regs.h>
#define RT288X_MEM_SIZE_MIN (2 * 1024 * 1024)
#define RT288X_MEM_SIZE_MAX (128 * 1024 * 1024)
unsigned long rt288x_mach_type;
static void rt288x_restart(char *command)
@ -44,20 +40,6 @@ static void rt288x_halt(void)
cpu_wait();
}
static void __init rt288x_detect_mem_size(void)
{
unsigned long size;
for (size = RT288X_MEM_SIZE_MIN; size < RT288X_MEM_SIZE_MAX;
size <<= 1 ) {
if (!memcmp(rt288x_detect_mem_size,
rt288x_detect_mem_size + size, 1024))
break;
}
add_memory_region(RT2880_SDRAM_BASE, size, BOOT_MEM_RAM);
}
static void __init rt288x_early_serial_setup(void)
{
struct uart_port p;
@ -106,7 +88,6 @@ void __init ramips_soc_setup(void)
rt288x_sysc_base = ioremap_nocache(RT2880_SYSC_BASE, RT2880_SYSC_SIZE);
rt288x_memc_base = ioremap_nocache(RT2880_MEMC_BASE, RT2880_MEMC_SIZE);
rt288x_detect_mem_size();
rt288x_detect_sys_type();
rt288x_detect_sys_freq();

16
target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
View File

@ -15,7 +15,6 @@
#include <linux/io.h>
#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
#include <asm/mips_machine.h>
#include <asm/reboot.h>
#include <asm/time.h>
@ -43,20 +42,6 @@ static void rt305x_halt(void)
cpu_wait();
}
static void __init rt305x_detect_mem_size(void)
{
unsigned long size;
for (size = RT305X_MEM_SIZE_MIN; size < RT305X_MEM_SIZE_MAX;
size <<= 1 ) {
if (!memcmp(rt305x_detect_mem_size,
rt305x_detect_mem_size + size, 1024))
break;
}
add_memory_region(RT305X_SDRAM_BASE, size, BOOT_MEM_RAM);
}
static void __init rt305x_early_serial_setup(void)
{
struct uart_port p;
@ -105,7 +90,6 @@ void __init ramips_soc_setup(void)
rt305x_sysc_base = ioremap_nocache(RT305X_SYSC_BASE, PAGE_SIZE);
rt305x_memc_base = ioremap_nocache(RT305X_MEMC_BASE, PAGE_SIZE);
rt305x_detect_mem_size();
rt305x_detect_sys_type();
rt305x_detect_sys_freq();