haraldwolff/qemu-patch-raspberry4
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Improve power management device addressing

Browse source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3755 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2007-12-01 14:54:47 +00:00
parent 7debeb82ff
commit df33e6392c
1 changed files with 11 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
hw/slavio_misc.c
View file

@ -50,6 +50,7 @@ typedef struct MiscState {
uint8_t diag, mctrl;
uint32_t sysctrl;
uint16_t leds;
target_phys_addr_t power_base;
} MiscState;
#define MISC_SIZE 1
@ -66,7 +67,6 @@ typedef struct MiscState {
#define MISC_DIAG 0x01a00000
#define MISC_MDM 0x01b00000
#define MISC_SYS 0x01f00000
#define MISC_PWR 0x0a000000
#define AUX2_PWROFF 0x01
#define AUX2_PWRINTCLR 0x02
@ -145,9 +145,11 @@ static void slavio_misc_mem_writeb(void *opaque, target_phys_addr_t addr,
MISC_DPRINTF("Write modem control %2.2x\n", val & 0xff);
s->mctrl = val & 0xff;
break;
case MISC_PWR:
MISC_DPRINTF("Write power management %2.2x\n", val & 0xff);
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
default:
if (addr == s->power_base) {
MISC_DPRINTF("Write power management %2.2x\n", val & 0xff);
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
}
break;
}
}
@ -178,8 +180,10 @@ static uint32_t slavio_misc_mem_readb(void *opaque, target_phys_addr_t addr)
ret = s->mctrl;
MISC_DPRINTF("Read modem control %2.2x\n", ret);
break;
case MISC_PWR:
MISC_DPRINTF("Read power management %2.2x\n", ret);
default:
if (addr == s->power_base) {
MISC_DPRINTF("Read power management %2.2x\n", ret);
}
break;
}
return ret;
@ -363,6 +367,7 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
slavio_misc_io_memory);
// Power management
cpu_register_physical_memory(power_base, MISC_SIZE, slavio_misc_io_memory);
s->power_base = power_base;
/* 16 bit registers */
slavio_misc_io_memory = cpu_register_io_memory(0, slavio_led_mem_read,