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added framework for chip detection on the ifxmips

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SVN-Revision: 9925
This commit is contained in:
John Crispin 2007-12-25 13:11:07 +00:00
parent 1263078f40
commit 8c487df246
3 changed files with 33 additions and 2 deletions
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23
target/linux/ifxmips/files/arch/mips/ifxmips/board.c
View file

@ -33,9 +33,19 @@
#include <asm/time.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/ifxmips/ifxmips.h>
#define MAX_IFXMIPS_DEVS 5
#define BOARD_DANUBE "Danube"
#define BOARD_DANUBE_CHIPID 0x10129083
#define BOARD_TWINPASS "Twinpass"
#define BOARD_DANUBE "Danube"
static unsigned int chiprev;
static struct platform_device *ifxmips_devs[MAX_IFXMIPS_DEVS];
static struct platform_device ifxmips_led[] =
@ -62,6 +72,19 @@ static struct platform_device ifxmips_mii[] =
},
};
const char*
get_system_type (void)
{
chiprev = readl(IFXMIPS_MPS_CHIPID);
switch(chiprev)
{
case BOARD_DANUBE_CHIPID:
return BOARD_DANUBE;
}
return BOARD_SYSTEM_TYPE;
}
int __init ifxmips_init_devices(void)
{
/*

6
target/linux/ifxmips/files/arch/mips/ifxmips/setup.c
View file

@ -146,7 +146,7 @@ plat_timer_setup (struct irqaction *irq)
writel(0xffff, IFXMIPS_GPTU_GPT_CAPREL);
writel(0x80C0, IFXMIPS_GPTU_GPT_T6CON);
retval = setup_irq(IFXMIPS_TIMER6_INT, &hrt_irqaction);
//retval = setup_irq(IFXMIPS_TIMER6_INT, &hrt_irqaction);
if (retval)
{
@ -154,11 +154,13 @@ plat_timer_setup (struct irqaction *irq)
}
}
extern const char* get_system_type (void);
void __init
plat_mem_setup (void)
{
u32 status;
prom_printf("This %s has a cpu rev of 0x%X\n", BOARD_SYSTEM_TYPE, ifxmips_get_cpu_ver());
prom_printf("This %s has a cpu rev of 0x%X\n", get_system_type(), ifxmips_get_cpu_ver());
//TODO WHY ???
/* clear RE bit*/

6
target/linux/ifxmips/files/include/asm-mips/ifxmips/ifxmips.h
View file

@ -426,4 +426,10 @@
#define IFXMIPS_FUSE_BASE_ADDR (KSEG1 + 0x1F107354)
/*------------ MPS */
#define IFXMIPS_MPS_BASE_ADDR (KSEG1 + 0x1F107000)
#define IFXMIPS_MPS_CHIPID ((u32*)(IFXMIPS_MPS_BASE_ADDR + 0x0344))
#endif