diff options
Diffstat (limited to 'hw/slavio_misc.c')
| -rw-r--r-- | hw/slavio_misc.c | 153 |
1 files changed, 92 insertions, 61 deletions
diff --git a/hw/slavio_misc.c b/hw/slavio_misc.c index 197880f2f3..55cb26ddd1 100644 --- a/hw/slavio_misc.c +++ b/hw/slavio_misc.c @@ -55,8 +55,7 @@ typedef struct MiscState { } MiscState; #define MISC_SIZE 1 -#define SYSCTRL_MAXADDR 3 -#define SYSCTRL_SIZE (SYSCTRL_MAXADDR + 1) +#define SYSCTRL_SIZE 4 #define LED_MAXADDR 1 #define LED_SIZE (LED_MAXADDR + 1) @@ -112,62 +111,96 @@ void slavio_set_power_fail(void *opaque, int power_failing) slavio_misc_update_irq(s); } -static void slavio_misc_mem_writeb(void *opaque, target_phys_addr_t addr, +static void slavio_cfg_mem_writeb(void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + MiscState *s = opaque; + + MISC_DPRINTF("Write config %2.2x\n", val & 0xff); + s->config = val & 0xff; + slavio_misc_update_irq(s); +} + +static uint32_t slavio_cfg_mem_readb(void *opaque, target_phys_addr_t addr) +{ + MiscState *s = opaque; + uint32_t ret = 0; + + ret = s->config; + MISC_DPRINTF("Read config %2.2x\n", ret); + return ret; +} + +static CPUReadMemoryFunc *slavio_cfg_mem_read[3] = { + slavio_cfg_mem_readb, + NULL, + NULL, +}; + +static CPUWriteMemoryFunc *slavio_cfg_mem_write[3] = { + slavio_cfg_mem_writeb, + NULL, + NULL, +}; + +static void slavio_diag_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val) { MiscState *s = opaque; - 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 MISC_DIAG: - MISC_DPRINTF("Write diag %2.2x\n", val & 0xff); - s->diag = val & 0xff; - break; - case MISC_MDM: - MISC_DPRINTF("Write modem control %2.2x\n", val & 0xff); - s->mctrl = val & 0xff; - break; - default: - break; - } + MISC_DPRINTF("Write diag %2.2x\n", val & 0xff); + s->diag = val & 0xff; } -static uint32_t slavio_misc_mem_readb(void *opaque, target_phys_addr_t addr) +static uint32_t slavio_diag_mem_readb(void *opaque, target_phys_addr_t addr) { MiscState *s = opaque; uint32_t ret = 0; - switch (addr & MISC_MASK) { - case MISC_CFG: - ret = s->config; - MISC_DPRINTF("Read config %2.2x\n", ret); - break; - case MISC_DIAG: - ret = s->diag; - MISC_DPRINTF("Read diag %2.2x\n", ret); - break; - case MISC_MDM: - ret = s->mctrl; - MISC_DPRINTF("Read modem control %2.2x\n", ret); - break; - default: - break; - } + ret = s->diag; + MISC_DPRINTF("Read diag %2.2x\n", ret); + return ret; +} + +static CPUReadMemoryFunc *slavio_diag_mem_read[3] = { + slavio_diag_mem_readb, + NULL, + NULL, +}; + +static CPUWriteMemoryFunc *slavio_diag_mem_write[3] = { + slavio_diag_mem_writeb, + NULL, + NULL, +}; + +static void slavio_mdm_mem_writeb(void *opaque, target_phys_addr_t addr, + uint32_t val) +{ + MiscState *s = opaque; + + MISC_DPRINTF("Write modem control %2.2x\n", val & 0xff); + s->mctrl = val & 0xff; +} + +static uint32_t slavio_mdm_mem_readb(void *opaque, target_phys_addr_t addr) +{ + MiscState *s = opaque; + uint32_t ret = 0; + + ret = s->mctrl; + MISC_DPRINTF("Read modem control %2.2x\n", ret); return ret; } -static CPUReadMemoryFunc *slavio_misc_mem_read[3] = { - slavio_misc_mem_readb, +static CPUReadMemoryFunc *slavio_mdm_mem_read[3] = { + slavio_mdm_mem_readb, NULL, NULL, }; -static CPUWriteMemoryFunc *slavio_misc_mem_write[3] = { - slavio_misc_mem_writeb, +static CPUWriteMemoryFunc *slavio_mdm_mem_write[3] = { + slavio_mdm_mem_writeb, NULL, NULL, }; @@ -282,10 +315,9 @@ static CPUWriteMemoryFunc *apc_mem_write[3] = { static uint32_t slavio_sysctrl_mem_readl(void *opaque, target_phys_addr_t addr) { MiscState *s = opaque; - uint32_t ret = 0, saddr; + uint32_t ret = 0; - saddr = addr & SYSCTRL_MAXADDR; - switch (saddr) { + switch (addr) { case 0: ret = s->sysctrl; break; @@ -301,12 +333,10 @@ static void slavio_sysctrl_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val) { MiscState *s = opaque; - uint32_t saddr; - saddr = addr & SYSCTRL_MAXADDR; MISC_DPRINTF("Write system control reg 0x" TARGET_FMT_plx " = %x\n", addr, val); - switch (saddr) { + switch (addr) { case 0: if (val & SYS_RESET) { s->sysctrl = SYS_RESETSTAT; @@ -333,10 +363,9 @@ static CPUWriteMemoryFunc *slavio_sysctrl_mem_write[3] = { static uint32_t slavio_led_mem_readw(void *opaque, target_phys_addr_t addr) { MiscState *s = opaque; - uint32_t ret = 0, saddr; + uint32_t ret = 0; - saddr = addr & LED_MAXADDR; - switch (saddr) { + switch (addr) { case 0: ret = s->leds; break; @@ -352,12 +381,10 @@ static void slavio_led_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val) { MiscState *s = opaque; - uint32_t saddr; - saddr = addr & LED_MAXADDR; MISC_DPRINTF("Write diagnostic LED reg 0x" TARGET_FMT_plx " = %x\n", addr, val); - switch (saddr) { + switch (addr) { case 0: s->leds = val; break; @@ -428,17 +455,21 @@ void *slavio_misc_init(target_phys_addr_t base, target_phys_addr_t power_base, if (base) { /* 8 bit registers */ - io = cpu_register_io_memory(0, slavio_misc_mem_read, - slavio_misc_mem_write, s); + // Slavio control - cpu_register_physical_memory_offset(base + MISC_CFG, MISC_SIZE, io, - MISC_CFG); + io = cpu_register_io_memory(0, slavio_cfg_mem_read, + slavio_cfg_mem_write, s); + cpu_register_physical_memory(base + MISC_CFG, MISC_SIZE, io); + // Diagnostics - cpu_register_physical_memory_offset(base + MISC_DIAG, MISC_SIZE, io, - MISC_DIAG); + io = cpu_register_io_memory(0, slavio_diag_mem_read, + slavio_diag_mem_write, s); + cpu_register_physical_memory(base + MISC_DIAG, MISC_SIZE, io); + // Modem control - cpu_register_physical_memory_offset(base + MISC_MDM, MISC_SIZE, io, - MISC_MDM); + io = cpu_register_io_memory(0, slavio_mdm_mem_read, + slavio_mdm_mem_write, s); + cpu_register_physical_memory(base + MISC_MDM, MISC_SIZE, io); /* 16 bit registers */ io = cpu_register_io_memory(0, slavio_led_mem_read, |