aboutsummaryrefslogtreecommitdiff
path: root/hw/slavio_misc.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/slavio_misc.c')
-rw-r--r--hw/slavio_misc.c83
1 files changed, 51 insertions, 32 deletions
diff --git a/hw/slavio_misc.c b/hw/slavio_misc.c
index 67e1c0d7d6..9658f505d7 100644
--- a/hw/slavio_misc.c
+++ b/hw/slavio_misc.c
@@ -58,11 +58,30 @@ typedef struct MiscState {
#define LED_MAXADDR 2
#define LED_SIZE (LED_MAXADDR + 1)
+#define MISC_MASK 0x0fff0000
+#define MISC_LEDS 0x01600000
+#define MISC_CFG 0x01800000
+#define MISC_AUX1 0x01900000
+#define MISC_AUX2 0x01910000
+#define MISC_DIAG 0x01a00000
+#define MISC_MDM 0x01b00000
+#define MISC_SYS 0x01f00000
+#define MISC_PWR 0x0a000000
+
+#define AUX2_PWROFF 0x01
+#define AUX2_PWRINTCLR 0x02
+#define AUX2_PWRFAIL 0x20
+
+#define CFG_PWRINTEN 0x08
+
+#define SYS_RESET 0x01
+#define SYS_RESETSTAT 0x02
+
static void slavio_misc_update_irq(void *opaque)
{
MiscState *s = opaque;
- if ((s->aux2 & 0x4) && (s->config & 0x8)) {
+ if ((s->aux2 & AUX2_PWRFAIL) && (s->config & CFG_PWRINTEN)) {
MISC_DPRINTF("Raise IRQ\n");
qemu_irq_raise(s->irq);
} else {
@@ -84,10 +103,10 @@ void slavio_set_power_fail(void *opaque, int power_failing)
MiscState *s = opaque;
MISC_DPRINTF("Power fail: %d, config: %d\n", power_failing, s->config);
- if (power_failing && (s->config & 0x8)) {
- s->aux2 |= 0x4;
+ if (power_failing && (s->config & CFG_PWRINTEN)) {
+ s->aux2 |= AUX2_PWRFAIL;
} else {
- s->aux2 &= ~0x4;
+ s->aux2 &= ~AUX2_PWRFAIL;
}
slavio_misc_update_irq(s);
}
@@ -97,36 +116,36 @@ static void slavio_misc_mem_writeb(void *opaque, target_phys_addr_t addr,
{
MiscState *s = opaque;
- switch (addr & 0xfff0000) {
- case 0x1800000:
+ switch (addr & MISC_MASK) {
+ case MISC_CFG:
MISC_DPRINTF("Write config %2.2x\n", val & 0xff);
s->config = val & 0xff;
slavio_misc_update_irq(s);
break;
- case 0x1900000:
+ case MISC_AUX1:
MISC_DPRINTF("Write aux1 %2.2x\n", val & 0xff);
s->aux1 = val & 0xff;
break;
- case 0x1910000:
- val &= 0x3;
+ case MISC_AUX2:
+ val &= AUX2_PWRINTCLR | AUX2_PWROFF;
MISC_DPRINTF("Write aux2 %2.2x\n", val);
- val |= s->aux2 & 0x4;
- if (val & 0x2) // Clear Power Fail int
- val &= 0x1;
+ val |= s->aux2 & AUX2_PWRFAIL;
+ if (val & AUX2_PWRINTCLR) // Clear Power Fail int
+ val &= AUX2_PWROFF;
s->aux2 = val;
- if (val & 1)
+ if (val & AUX2_PWROFF)
qemu_system_shutdown_request();
slavio_misc_update_irq(s);
break;
- case 0x1a00000:
+ case MISC_DIAG:
MISC_DPRINTF("Write diag %2.2x\n", val & 0xff);
s->diag = val & 0xff;
break;
- case 0x1b00000:
+ case MISC_MDM:
MISC_DPRINTF("Write modem control %2.2x\n", val & 0xff);
s->mctrl = val & 0xff;
break;
- case 0xa000000:
+ case MISC_PWR:
MISC_DPRINTF("Write power management %2.2x\n", val & 0xff);
cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
break;
@@ -138,28 +157,28 @@ static uint32_t slavio_misc_mem_readb(void *opaque, target_phys_addr_t addr)
MiscState *s = opaque;
uint32_t ret = 0;
- switch (addr & 0xfff0000) {
- case 0x1800000:
+ switch (addr & MISC_MASK) {
+ case MISC_CFG:
ret = s->config;
MISC_DPRINTF("Read config %2.2x\n", ret);
break;
- case 0x1900000:
+ case MISC_AUX1:
ret = s->aux1;
MISC_DPRINTF("Read aux1 %2.2x\n", ret);
break;
- case 0x1910000:
+ case MISC_AUX2:
ret = s->aux2;
MISC_DPRINTF("Read aux2 %2.2x\n", ret);
break;
- case 0x1a00000:
+ case MISC_DIAG:
ret = s->diag;
MISC_DPRINTF("Read diag %2.2x\n", ret);
break;
- case 0x1b00000:
+ case MISC_MDM:
ret = s->mctrl;
MISC_DPRINTF("Read modem control %2.2x\n", ret);
break;
- case 0xa000000:
+ case MISC_PWR:
MISC_DPRINTF("Read power management %2.2x\n", ret);
break;
}
@@ -207,8 +226,8 @@ static void slavio_sysctrl_mem_writel(void *opaque, target_phys_addr_t addr,
val);
switch (saddr) {
case 0:
- if (val & 1) {
- s->sysctrl = 0x2;
+ if (val & SYS_RESET) {
+ s->sysctrl = SYS_RESETSTAT;
qemu_system_reset_request();
}
break;
@@ -328,19 +347,19 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
slavio_misc_io_memory = cpu_register_io_memory(0, slavio_misc_mem_read,
slavio_misc_mem_write, s);
// Slavio control
- cpu_register_physical_memory(base + 0x1800000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_CFG, MISC_SIZE,
slavio_misc_io_memory);
// AUX 1
- cpu_register_physical_memory(base + 0x1900000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_AUX1, MISC_SIZE,
slavio_misc_io_memory);
// AUX 2
- cpu_register_physical_memory(base + 0x1910000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_AUX2, MISC_SIZE,
slavio_misc_io_memory);
// Diagnostics
- cpu_register_physical_memory(base + 0x1a00000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_DIAG, MISC_SIZE,
slavio_misc_io_memory);
// Modem control
- cpu_register_physical_memory(base + 0x1b00000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_MDM, MISC_SIZE,
slavio_misc_io_memory);
// Power management
cpu_register_physical_memory(power_base, MISC_SIZE, slavio_misc_io_memory);
@@ -349,7 +368,7 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
slavio_misc_io_memory = cpu_register_io_memory(0, slavio_led_mem_read,
slavio_led_mem_write, s);
/* ss600mp diag LEDs */
- cpu_register_physical_memory(base + 0x1600000, MISC_SIZE,
+ cpu_register_physical_memory(base + MISC_LEDS, MISC_SIZE,
slavio_misc_io_memory);
/* 32 bit registers */
@@ -357,7 +376,7 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base,
slavio_sysctrl_mem_write,
s);
// System control
- cpu_register_physical_memory(base + 0x1f00000, SYSCTRL_SIZE,
+ cpu_register_physical_memory(base + MISC_SYS, SYSCTRL_SIZE,
slavio_misc_io_memory);
s->irq = irq;
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-24 10:35:58 +0000