diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc405.h | 20 | ||||
| -rw-r--r-- | hw/ppc405_uc.c | 702 |
2 files changed, 673 insertions, 49 deletions
diff --git a/hw/ppc405.h b/hw/ppc405.h index e61cc58b3c..c491ed55e1 100644 --- a/hw/ppc405.h +++ b/hw/ppc405.h @@ -62,16 +62,17 @@ ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd); /* */ typedef struct ppc4xx_mmio_t ppc4xx_mmio_t; int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio, - uint32_t offset, uint32_t len, + target_phys_addr_t offset, uint32_t len, CPUReadMemoryFunc **mem_read, CPUWriteMemoryFunc **mem_write, void *opaque); -ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, uint32_t base); +ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, target_phys_addr_t base); /* PowerPC 4xx peripheral local bus arbitrer */ void ppc4xx_plb_init (CPUState *env); /* PLB to OPB bridge */ void ppc4xx_pob_init (CPUState *env); /* OPB arbitrer */ -void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset); +void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset); /* PowerPC 4xx universal interrupt controller */ enum { PPCUIC_OUTPUT_INT = 0, @@ -89,15 +90,22 @@ void ppc405_ebc_init (CPUState *env); /* DMA controller */ void ppc405_dma_init (CPUState *env, qemu_irq irqs[4]); /* GPIO */ -void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset); +void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset); /* Serial ports */ void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio, - uint32_t offset, qemu_irq irq, + target_phys_addr_t offset, qemu_irq irq, CharDriverState *chr); /* On Chip Memory */ void ppc405_ocm_init (CPUState *env, unsigned long offset); /* I2C controller */ -void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset); +void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset, qemu_irq irq); +/* General purpose timers */ +void ppc4xx_gpt_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset, qemu_irq irq[5]); +/* Memory access layer */ +void ppc405_mal_init (CPUState *env, qemu_irq irqs[4]); /* PowerPC 405 microcontrollers */ CPUState *ppc405cr_init (target_ulong ram_bases[4], target_ulong ram_sizes[4], uint32_t sysclk, qemu_irq **picp, diff --git a/hw/ppc405_uc.c b/hw/ppc405_uc.c index f5c1c31bd2..e06165d529 100644 --- a/hw/ppc405_uc.c +++ b/hw/ppc405_uc.c @@ -27,16 +27,18 @@ extern int loglevel; extern FILE *logfile; -#define DEBUG_MMIO +//#define DEBUG_MMIO #define DEBUG_OPBA #define DEBUG_SDRAM #define DEBUG_GPIO #define DEBUG_SERIAL #define DEBUG_OCM -#define DEBUG_I2C +//#define DEBUG_I2C +#define DEBUG_GPT +#define DEBUG_MAL #define DEBUG_UIC #define DEBUG_CLOCKS -#define DEBUG_UNASSIGNED +//#define DEBUG_UNASSIGNED /*****************************************************************************/ /* Generic PowerPC 405 processor instanciation */ @@ -122,39 +124,47 @@ ram_addr_t ppc405_set_bootinfo (CPUState *env, ppc4xx_bd_info_t *bd) #define MMIO_AREA_NB (1 << (TARGET_PAGE_BITS - MMIO_AREA_BITS)) #define MMIO_IDX(addr) (((addr) >> MMIO_AREA_BITS) & (MMIO_AREA_NB - 1)) struct ppc4xx_mmio_t { - uint32_t base; + target_phys_addr_t base; CPUReadMemoryFunc **mem_read[MMIO_AREA_NB]; CPUWriteMemoryFunc **mem_write[MMIO_AREA_NB]; void *opaque[MMIO_AREA_NB]; }; -static uint32_t unassigned_mem_readb (void *opaque, target_phys_addr_t addr) +static uint32_t unassigned_mmio_readb (void *opaque, target_phys_addr_t addr) { #ifdef DEBUG_UNASSIGNED - printf("Unassigned mem read 0x" PADDRX "\n", addr); + ppc4xx_mmio_t *mmio; + + mmio = opaque; + printf("Unassigned mmio read 0x" PADDRX " base " PADDRX "\n", + addr, mmio->base); #endif return 0; } -static void unassigned_mem_writeb (void *opaque, +static void unassigned_mmio_writeb (void *opaque, target_phys_addr_t addr, uint32_t val) { #ifdef DEBUG_UNASSIGNED - printf("Unassigned mem write 0x" PADDRX " = 0x%x\n", addr, val); + ppc4xx_mmio_t *mmio; + + mmio = opaque; + printf("Unassigned mmio write 0x" PADDRX " = 0x%x base " PADDRX "\n", + addr, val, mmio->base); #endif } -static CPUReadMemoryFunc *unassigned_mem_read[3] = { - unassigned_mem_readb, - unassigned_mem_readb, - unassigned_mem_readb, +static CPUReadMemoryFunc *unassigned_mmio_read[3] = { + unassigned_mmio_readb, + unassigned_mmio_readb, + unassigned_mmio_readb, }; -static CPUWriteMemoryFunc *unassigned_mem_write[3] = { - unassigned_mem_writeb, - unassigned_mem_writeb, - unassigned_mem_writeb, +static CPUWriteMemoryFunc *unassigned_mmio_write[3] = { + unassigned_mmio_writeb, + unassigned_mmio_writeb, + unassigned_mmio_writeb, }; static uint32_t mmio_readlen (ppc4xx_mmio_t *mmio, @@ -170,7 +180,7 @@ static uint32_t mmio_readlen (ppc4xx_mmio_t *mmio, mmio, len, addr, idx); #endif mem_read = mmio->mem_read[idx]; - ret = (*mem_read[len])(mmio->opaque[idx], addr); + ret = (*mem_read[len])(mmio->opaque[idx], addr - mmio->base); return ret; } @@ -187,7 +197,7 @@ static void mmio_writelen (ppc4xx_mmio_t *mmio, mmio, len, addr, idx, value); #endif mem_write = mmio->mem_write[idx]; - (*mem_write[len])(mmio->opaque[idx], addr, value); + (*mem_write[len])(mmio->opaque[idx], addr - mmio->base, value); } static uint32_t mmio_readb (void *opaque, target_phys_addr_t addr) @@ -257,7 +267,7 @@ static CPUWriteMemoryFunc *mmio_write[] = { }; int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio, - uint32_t offset, uint32_t len, + target_phys_addr_t offset, uint32_t len, CPUReadMemoryFunc **mem_read, CPUWriteMemoryFunc **mem_write, void *opaque) { @@ -282,7 +292,7 @@ int ppc4xx_mmio_register (CPUState *env, ppc4xx_mmio_t *mmio, return 0; } -ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, uint32_t base) +ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, target_phys_addr_t base) { ppc4xx_mmio_t *mmio; int mmio_memory; @@ -297,7 +307,8 @@ ppc4xx_mmio_t *ppc4xx_mmio_init (CPUState *env, uint32_t base) #endif cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory); ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE, - unassigned_mem_read, unassigned_mem_write, NULL); + unassigned_mmio_read, unassigned_mmio_write, + mmio); } return mmio; @@ -350,7 +361,10 @@ static void dcr_write_plb (void *opaque, int dcrn, target_ulong val) plb = opaque; switch (dcrn) { case PLB0_ACR: - plb->acr = val & 0xFC000000; + /* We don't care about the actual parameters written as + * we don't manage any priorities on the bus + */ + plb->acr = val & 0xF8000000; break; case PLB0_BEAR: /* Read only */ @@ -469,7 +483,7 @@ void ppc4xx_pob_init (CPUState *env) /* OPB arbitrer */ typedef struct ppc4xx_opba_t ppc4xx_opba_t; struct ppc4xx_opba_t { - target_ulong base; + target_phys_addr_t base; uint8_t cr; uint8_t pr; }; @@ -586,15 +600,16 @@ static void ppc4xx_opba_reset (void *opaque) opba->pr = 0x11; } -void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset) +void ppc4xx_opba_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset) { ppc4xx_opba_t *opba; opba = qemu_mallocz(sizeof(ppc4xx_opba_t)); if (opba != NULL) { - opba->base = mmio->base + offset; + opba->base = offset; #ifdef DEBUG_OPBA - printf("%s: offset=%08x\n", __func__, offset); + printf("%s: offset=" PADDRX "\n", __func__, offset); #endif ppc4xx_mmio_register(env, mmio, offset, 0x002, opba_read, opba_write, opba); @@ -1392,7 +1407,7 @@ static void ebc_reset (void *opaque) } ebc->besr0 = 0x00000000; ebc->besr1 = 0x00000000; - ebc->cfg = 0x07C00000; + ebc->cfg = 0x80400000; } void ppc405_ebc_init (CPUState *env) @@ -1552,7 +1567,7 @@ void ppc405_dma_init (CPUState *env, qemu_irq irqs[4]) /* GPIO */ typedef struct ppc405_gpio_t ppc405_gpio_t; struct ppc405_gpio_t { - uint32_t base; + target_phys_addr_t base; uint32_t or; uint32_t tcr; uint32_t osrh; @@ -1654,17 +1669,18 @@ static void ppc405_gpio_reset (void *opaque) gpio = opaque; } -void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset) +void ppc405_gpio_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset) { ppc405_gpio_t *gpio; gpio = qemu_mallocz(sizeof(ppc405_gpio_t)); if (gpio != NULL) { - gpio->base = mmio->base + offset; + gpio->base = offset; ppc405_gpio_reset(gpio); qemu_register_reset(&ppc405_gpio_reset, gpio); #ifdef DEBUG_GPIO - printf("%s: offset=%08x\n", __func__, offset); + printf("%s: offset=" PADDRX "\n", __func__, offset); #endif ppc4xx_mmio_register(env, mmio, offset, 0x038, ppc405_gpio_read, ppc405_gpio_write, gpio); @@ -1686,15 +1702,15 @@ static CPUWriteMemoryFunc *serial_mm_write[] = { }; void ppc405_serial_init (CPUState *env, ppc4xx_mmio_t *mmio, - uint32_t offset, qemu_irq irq, + target_phys_addr_t offset, qemu_irq irq, CharDriverState *chr) { void *serial; #ifdef DEBUG_SERIAL - printf("%s: offset=%08x\n", __func__, offset); + printf("%s: offset=" PADDRX "\n", __func__, offset); #endif - serial = serial_mm_init(mmio->base + offset, 0, irq, chr, 0); + serial = serial_mm_init(offset, 0, irq, chr, 0); ppc4xx_mmio_register(env, mmio, offset, 0x008, serial_mm_read, serial_mm_write, serial); } @@ -1869,7 +1885,8 @@ void ppc405_ocm_init (CPUState *env, unsigned long offset) /* I2C controller */ typedef struct ppc4xx_i2c_t ppc4xx_i2c_t; struct ppc4xx_i2c_t { - uint32_t base; + target_phys_addr_t base; + qemu_irq irq; uint8_t mdata; uint8_t lmadr; uint8_t hmadr; @@ -2091,16 +2108,18 @@ static void ppc4xx_i2c_reset (void *opaque) i2c->directcntl = 0x0F; } -void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset) +void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset, qemu_irq irq) { ppc4xx_i2c_t *i2c; i2c = qemu_mallocz(sizeof(ppc4xx_i2c_t)); if (i2c != NULL) { - i2c->base = mmio->base + offset; + i2c->base = offset; + i2c->irq = irq; ppc4xx_i2c_reset(i2c); #ifdef DEBUG_I2C - printf("%s: offset=%08x\n", __func__, offset); + printf("%s: offset=" PADDRX "\n", __func__, offset); #endif ppc4xx_mmio_register(env, mmio, offset, 0x011, i2c_read, i2c_write, i2c); @@ -2109,6 +2128,557 @@ void ppc405_i2c_init (CPUState *env, ppc4xx_mmio_t *mmio, uint32_t offset) } /*****************************************************************************/ +/* General purpose timers */ +typedef struct ppc4xx_gpt_t ppc4xx_gpt_t; +struct ppc4xx_gpt_t { + target_phys_addr_t base; + int64_t tb_offset; + uint32_t tb_freq; + struct QEMUTimer *timer; + qemu_irq irqs[5]; + uint32_t oe; + uint32_t ol; + uint32_t im; + uint32_t is; + uint32_t ie; + uint32_t comp[5]; + uint32_t mask[5]; +}; + +static uint32_t ppc4xx_gpt_readb (void *opaque, target_phys_addr_t addr) +{ +#ifdef DEBUG_GPT + printf("%s: addr " PADDRX "\n", __func__, addr); +#endif + /* XXX: generate a bus fault */ + return -1; +} + +static void ppc4xx_gpt_writeb (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ +#ifdef DEBUG_I2C + printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value); +#endif + /* XXX: generate a bus fault */ +} + +static uint32_t ppc4xx_gpt_readw (void *opaque, target_phys_addr_t addr) +{ +#ifdef DEBUG_GPT + printf("%s: addr " PADDRX "\n", __func__, addr); +#endif + /* XXX: generate a bus fault */ + return -1; +} + +static void ppc4xx_gpt_writew (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ +#ifdef DEBUG_I2C + printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value); +#endif + /* XXX: generate a bus fault */ +} + +static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n) +{ + /* XXX: TODO */ + return 0; +} + +static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level) +{ + /* XXX: TODO */ +} + +static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt) +{ + uint32_t mask; + int i; + + mask = 0x80000000; + for (i = 0; i < 5; i++) { + if (gpt->oe & mask) { + /* Output is enabled */ + if (ppc4xx_gpt_compare(gpt, i)) { + /* Comparison is OK */ + ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask); + } else { + /* Comparison is KO */ + ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1); + } + } + mask = mask >> 1; + } + +} + +static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt) +{ + uint32_t mask; + int i; + + mask = 0x00008000; + for (i = 0; i < 5; i++) { + if (gpt->is & gpt->im & mask) + qemu_irq_raise(gpt->irqs[i]); + else + qemu_irq_lower(gpt->irqs[i]); + mask = mask >> 1; + } + +} + +static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt) +{ + /* XXX: TODO */ +} + +static uint32_t ppc4xx_gpt_readl (void *opaque, target_phys_addr_t addr) +{ + ppc4xx_gpt_t *gpt; + uint32_t ret; + int idx; + +#ifdef DEBUG_GPT + printf("%s: addr " PADDRX "\n", __func__, addr); +#endif + gpt = opaque; + switch (addr - gpt->base) { + case 0x00: + /* Time base counter */ + ret = muldiv64(qemu_get_clock(vm_clock) + gpt->tb_offset, + gpt->tb_freq, ticks_per_sec); + break; + case 0x10: + /* Output enable */ + ret = gpt->oe; + break; + case 0x14: + /* Output level */ + ret = gpt->ol; + break; + case 0x18: + /* Interrupt mask */ + ret = gpt->im; + break; + case 0x1C: + case 0x20: + /* Interrupt status */ + ret = gpt->is; + break; + case 0x24: + /* Interrupt enable */ + ret = gpt->ie; + break; + case 0x80 ... 0x90: + /* Compare timer */ + idx = ((addr - gpt->base) - 0x80) >> 2; + ret = gpt->comp[idx]; + break; + case 0xC0 ... 0xD0: + /* Compare mask */ + idx = ((addr - gpt->base) - 0xC0) >> 2; + ret = gpt->mask[idx]; + break; + default: + ret = -1; + break; + } + + return ret; +} + +static void ppc4xx_gpt_writel (void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + ppc4xx_gpt_t *gpt; + int idx; + +#ifdef DEBUG_I2C + printf("%s: addr " PADDRX " val %08x\n", __func__, addr, value); +#endif + gpt = opaque; + switch (addr - gpt->base) { + case 0x00: + /* Time base counter */ + gpt->tb_offset = muldiv64(value, ticks_per_sec, gpt->tb_freq) + - qemu_get_clock(vm_clock); + ppc4xx_gpt_compute_timer(gpt); + break; + case 0x10: + /* Output enable */ + gpt->oe = value & 0xF8000000; + ppc4xx_gpt_set_outputs(gpt); + break; + case 0x14: + /* Output level */ + gpt->ol = value & 0xF8000000; + ppc4xx_gpt_set_outputs(gpt); + break; + case 0x18: + /* Interrupt mask */ + gpt->im = value & 0x0000F800; + break; + case 0x1C: + /* Interrupt status set */ + gpt->is |= value & 0x0000F800; + ppc4xx_gpt_set_irqs(gpt); + break; + case 0x20: + /* Interrupt status clear */ + gpt->is &= ~(value & 0x0000F800); + ppc4xx_gpt_set_irqs(gpt); + break; + case 0x24: + /* Interrupt enable */ + gpt->ie = value & 0x0000F800; + ppc4xx_gpt_set_irqs(gpt); + break; + case 0x80 ... 0x90: + /* Compare timer */ + idx = ((addr - gpt->base) - 0x80) >> 2; + gpt->comp[idx] = value & 0xF8000000; + ppc4xx_gpt_compute_timer(gpt); + break; + case 0xC0 ... 0xD0: + /* Compare mask */ + idx = ((addr - gpt->base) - 0xC0) >> 2; + gpt->mask[idx] = value & 0xF8000000; + ppc4xx_gpt_compute_timer(gpt); + break; + } +} + +static CPUReadMemoryFunc *gpt_read[] = { + &ppc4xx_gpt_readb, + &ppc4xx_gpt_readw, + &ppc4xx_gpt_readl, +}; + +static CPUWriteMemoryFunc *gpt_write[] = { + &ppc4xx_gpt_writeb, + &ppc4xx_gpt_writew, + &ppc4xx_gpt_writel, +}; + +static void ppc4xx_gpt_cb (void *opaque) +{ + ppc4xx_gpt_t *gpt; + + gpt = opaque; + ppc4xx_gpt_set_irqs(gpt); + ppc4xx_gpt_set_outputs(gpt); + ppc4xx_gpt_compute_timer(gpt); +} + +static void ppc4xx_gpt_reset (void *opaque) +{ + ppc4xx_gpt_t *gpt; + int i; + + gpt = opaque; + qemu_del_timer(gpt->timer); + gpt->oe = 0x00000000; + gpt->ol = 0x00000000; + gpt->im = 0x00000000; + gpt->is = 0x00000000; + gpt->ie = 0x00000000; + for (i = 0; i < 5; i++) { + gpt->comp[i] = 0x00000000; + gpt->mask[i] = 0x00000000; + } +} + +void ppc4xx_gpt_init (CPUState *env, ppc4xx_mmio_t *mmio, + target_phys_addr_t offset, qemu_irq irqs[5]) +{ + ppc4xx_gpt_t *gpt; + int i; + + gpt = qemu_mallocz(sizeof(ppc4xx_gpt_t)); + if (gpt != NULL) { + gpt->base = offset; + for (i = 0; i < 5; i++) + gpt->irqs[i] = irqs[i]; + gpt->timer = qemu_new_timer(vm_clock, &ppc4xx_gpt_cb, gpt); + ppc4xx_gpt_reset(gpt); +#ifdef DEBUG_GPT + printf("%s: offset=" PADDRX "\n", __func__, offset); +#endif + ppc4xx_mmio_register(env, mmio, offset, 0x0D4, + gpt_read, gpt_write, gpt); + qemu_register_reset(ppc4xx_gpt_reset, gpt); + } +} + +/*****************************************************************************/ +/* MAL */ +enum { + MAL0_CFG = 0x180, + MAL0_ESR = 0x181, + MAL0_IER = 0x182, + MAL0_TXCASR = 0x184, + MAL0_TXCARR = 0x185, + MAL0_TXEOBISR = 0x186, + MAL0_TXDEIR = 0x187, + MAL0_RXCASR = 0x190, + MAL0_RXCARR = 0x191, + MAL0_RXEOBISR = 0x192, + MAL0_RXDEIR = 0x193, + MAL0_TXCTP0R = 0x1A0, + MAL0_TXCTP1R = 0x1A1, + MAL0_TXCTP2R = 0x1A2, + MAL0_TXCTP3R = 0x1A3, + MAL0_RXCTP0R = 0x1C0, + MAL0_RXCTP1R = 0x1C1, + MAL0_RCBS0 = 0x1E0, + MAL0_RCBS1 = 0x1E1, +}; + +typedef struct ppc40x_mal_t ppc40x_mal_t; +struct ppc40x_mal_t { + qemu_irq irqs[4]; + uint32_t cfg; + uint32_t esr; + uint32_t ier; + uint32_t txcasr; + uint32_t txcarr; + uint32_t txeobisr; + uint32_t txdeir; + uint32_t rxcasr; + uint32_t rxcarr; + uint32_t rxeobisr; + uint32_t rxdeir; + uint32_t txctpr[4]; + uint32_t rxctpr[2]; + uint32_t rcbs[2]; +}; + +static void ppc40x_mal_reset (void *opaque); + +static target_ulong dcr_read_mal (void *opaque, int dcrn) +{ + ppc40x_mal_t *mal; + target_ulong ret; + + mal = opaque; + switch (dcrn) { + case MAL0_CFG: + ret = mal->cfg; + break; + case MAL0_ESR: + ret = mal->esr; + break; + case MAL0_IER: + ret = mal->ier; + break; + case MAL0_TXCASR: + ret = mal->txcasr; + break; + case MAL0_TXCARR: + ret = mal->txcarr; + break; + case MAL0_TXEOBISR: + ret = mal->txeobisr; + break; + case MAL0_TXDEIR: + ret = mal->txdeir; + break; + case MAL0_RXCASR: + ret = mal->rxcasr; + break; + case MAL0_RXCARR: + ret = mal->rxcarr; + break; + case MAL0_RXEOBISR: + ret = mal->rxeobisr; + break; + case MAL0_RXDEIR: + ret = mal->rxdeir; + break; + case MAL0_TXCTP0R: + ret = mal->txctpr[0]; + break; + case MAL0_TXCTP1R: + ret = mal->txctpr[1]; + break; + case MAL0_TXCTP2R: + ret = mal->txctpr[2]; + break; + case MAL0_TXCTP3R: + ret = mal->txctpr[3]; + break; + case MAL0_RXCTP0R: + ret = mal->rxctpr[0]; + break; + case MAL0_RXCTP1R: + ret = mal->rxctpr[1]; + break; + case MAL0_RCBS0: + ret = mal->rcbs[0]; + break; + case MAL0_RCBS1: + ret = mal->rcbs[1]; + break; + default: + ret = 0; + break; + } + + return ret; +} + +static void dcr_write_mal (void *opaque, int dcrn, target_ulong val) +{ + ppc40x_mal_t *mal; + int idx; + + mal = opaque; + switch (dcrn) { + case MAL0_CFG: + if (val & 0x80000000) + ppc40x_mal_reset(mal); + mal->cfg = val & 0x00FFC087; + break; + case MAL0_ESR: + /* Read/clear */ + mal->esr &= ~val; + break; + case MAL0_IER: + mal->ier = val & 0x0000001F; + break; + case MAL0_TXCASR: + mal->txcasr = val & 0xF0000000; + break; + case MAL0_TXCARR: + mal->txcarr = val & 0xF0000000; + break; + case MAL0_TXEOBISR: + /* Read/clear */ + mal->txeobisr &= ~val; + break; + case MAL0_TXDEIR: + /* Read/clear */ + mal->txdeir &= ~val; + break; + case MAL0_RXCASR: + mal->rxcasr = val & 0xC0000000; + break; + case MAL0_RXCARR: + mal->rxcarr = val & 0xC0000000; + break; + case MAL0_RXEOBISR: + /* Read/clear */ + mal->rxeobisr &= ~val; + break; + case MAL0_RXDEIR: + /* Read/clear */ + mal->rxdeir &= ~val; + break; + case MAL0_TXCTP0R: + idx = 0; + goto update_tx_ptr; + case MAL0_TXCTP1R: + idx = 1; + goto update_tx_ptr; + case MAL0_TXCTP2R: + idx = 2; + goto update_tx_ptr; + case MAL0_TXCTP3R: + idx = 3; + update_tx_ptr: + mal->txctpr[idx] = val; + break; + case MAL0_RXCTP0R: + idx = 0; + goto update_rx_ptr; + case MAL0_RXCTP1R: + idx = 1; + update_rx_ptr: + mal->rxctpr[idx] = val; + break; + case MAL0_RCBS0: + idx = 0; + goto update_rx_size; + case MAL0_RCBS1: + idx = 1; + update_rx_size: + mal->rcbs[idx] = val & 0x000000FF; + break; + } +} + +static void ppc40x_mal_reset (void *opaque) +{ + ppc40x_mal_t *mal; + + mal = opaque; + mal->cfg = 0x0007C000; + mal->esr = 0x00000000; + mal->ier = 0x00000000; + mal->rxcasr = 0x00000000; + mal->rxdeir = 0x00000000; + mal->rxeobisr = 0x00000000; + mal->txcasr = 0x00000000; + mal->txdeir = 0x00000000; + mal->txeobisr = 0x00000000; +} + +void ppc405_mal_init (CPUState *env, qemu_irq irqs[4]) +{ + ppc40x_mal_t *mal; + int i; + + mal = qemu_mallocz(sizeof(ppc40x_mal_t)); + if (mal != NULL) { + for (i = 0; i < 4; i++) + mal->irqs[i] = irqs[i]; + ppc40x_mal_reset(mal); + qemu_register_reset(&ppc40x_mal_reset, mal); + ppc_dcr_register(env, MAL0_CFG, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_ESR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_IER, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCASR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCARR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXEOBISR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXDEIR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXCASR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXCARR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXEOBISR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXDEIR, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCTP0R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCTP1R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCTP2R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_TXCTP3R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXCTP0R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RXCTP1R, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RCBS0, + mal, &dcr_read_mal, &dcr_write_mal); + ppc_dcr_register(env, MAL0_RCBS1, + mal, &dcr_read_mal, &dcr_write_mal); + } +} + +/*****************************************************************************/ /* SPR */ void ppc40x_core_reset (CPUState *env) { @@ -2499,7 +3069,7 @@ CPUState *ppc405cr_init (target_ulong ram_bases[4], target_ulong ram_sizes[4], ppc405_serial_init(env, mmio, 0x400, pic[30], serial_hds[1]); } /* IIC controller */ - ppc405_i2c_init(env, mmio, 0x500); + ppc405_i2c_init(env, mmio, 0x500, pic[29]); /* GPIO */ ppc405_gpio_init(env, mmio, 0x700); /* CPU control */ @@ -2521,6 +3091,11 @@ enum { PPC405EP_CPC0_SRR = 0x0F6, PPC405EP_CPC0_JTAGID = 0x0F7, PPC405EP_CPC0_PCI = 0x0F9, +#if 0 + PPC405EP_CPC0_ER = xxx, + PPC405EP_CPC0_FR = xxx, + PPC405EP_CPC0_SR = xxx, +#endif }; enum { @@ -2546,6 +3121,10 @@ struct ppc405ep_cpc_t { uint32_t srr; uint32_t jtagid; uint32_t pci; + /* Clock and power management */ + uint32_t er; + uint32_t fr; + uint32_t sr; }; static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) @@ -2571,11 +3150,17 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) #endif } PLL_out = VCO_out / D; + /* Pretend the PLL is locked */ + cpc->boot |= 0x00000001; } else { #if 0 pll_bypass: #endif PLL_out = cpc->sysclk; + if (cpc->pllmr[1] & 0x40000000) { + /* Pretend the PLL is not locked */ + cpc->boot &= ~0x00000001; + } } /* Now, compute all other clocks */ D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */ @@ -2624,6 +3209,8 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) printf("CPU %d PLB %d OPB %d EBC %d MAL %d PCI %d UART0 %d UART1 %d\n", CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk, UART0_clk, UART1_clk); + printf("CB %p opaque %p\n", cpc->clk_setup[PPC405EP_CPU_CLK].cb, + cpc->clk_setup[PPC405EP_CPU_CLK].opaque); #endif /* Setup CPU clocks */ clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk); @@ -2731,6 +3318,9 @@ static void ppc405ep_cpc_reset (void *opaque) cpc->ucr = 0x00000000; cpc->srr = 0x00040000; cpc->pci = 0x00000000; + cpc->er = 0x00000000; + cpc->fr = 0x00000000; + cpc->sr = 0x00000000; ppc405ep_compute_clocks(cpc); } @@ -2764,6 +3354,14 @@ static void ppc405ep_cpc_init (CPUState *env, clk_setup_t clk_setup[8], &dcr_read_epcpc, &dcr_write_epcpc); ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc, &dcr_read_epcpc, &dcr_write_epcpc); +#if 0 + ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); +#endif } } @@ -2771,8 +3369,8 @@ CPUState *ppc405ep_init (target_ulong ram_bases[2], target_ulong ram_sizes[2], uint32_t sysclk, qemu_irq **picp, ram_addr_t *offsetp, int do_init) { - clk_setup_t clk_setup[PPC405EP_CLK_NB]; - qemu_irq dma_irqs[4]; + clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup; + qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4]; CPUState *env; ppc4xx_mmio_t *mmio; qemu_irq *pic, *irqs; @@ -2782,7 +3380,9 @@ CPUState *ppc405ep_init (target_ulong ram_bases[2], target_ulong ram_sizes[2], memset(clk_setup, 0, sizeof(clk_setup)); /* init CPUs */ env = ppc405_init("405ep", &clk_setup[PPC405EP_CPU_CLK], - &clk_setup[PPC405EP_PLB_CLK], sysclk); + &tlb_clk_setup, sysclk); + clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb; + clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque; /* Internal devices init */ /* Memory mapped devices registers */ mmio = ppc4xx_mmio_init(env, 0xEF600000); @@ -2814,7 +3414,7 @@ CPUState *ppc405ep_init (target_ulong ram_bases[2], target_ulong ram_sizes[2], dma_irqs[3] = pic[23]; ppc405_dma_init(env, dma_irqs); /* IIC controller */ - ppc405_i2c_init(env, mmio, 0x500); + ppc405_i2c_init(env, mmio, 0x500, pic[29]); /* GPIO */ ppc405_gpio_init(env, mmio, 0x700); /* Serial ports */ @@ -2827,7 +3427,23 @@ CPUState *ppc405ep_init (target_ulong ram_bases[2], target_ulong ram_sizes[2], /* OCM */ ppc405_ocm_init(env, ram_sizes[0] + ram_sizes[1]); offset += 4096; + /* GPT */ + gpt_irqs[0] = pic[12]; + gpt_irqs[1] = pic[11]; + gpt_irqs[2] = pic[10]; + gpt_irqs[3] = pic[9]; + gpt_irqs[4] = pic[8]; + ppc4xx_gpt_init(env, mmio, 0x000, gpt_irqs); /* PCI */ + /* Uses pic[28], pic[15], pic[13] */ + /* MAL */ + mal_irqs[0] = pic[20]; + mal_irqs[1] = pic[19]; + mal_irqs[2] = pic[18]; + mal_irqs[3] = pic[17]; + ppc405_mal_init(env, mal_irqs); + /* Ethernet */ + /* Uses pic[22], pic[16], pic[14] */ /* CPU control */ ppc405ep_cpc_init(env, clk_setup, sysclk); *offsetp = offset; |