diff options
Diffstat (limited to 'hw/ppc/ppc405_uc.c')
| -rw-r--r-- | hw/ppc/ppc405_uc.c | 225 |
1 files changed, 106 insertions, 119 deletions
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index e632c408bd..ec97b22bd0 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -25,6 +25,7 @@ #include "qemu/osdep.h" #include "qemu/units.h" #include "qapi/error.h" +#include "qemu/log.h" #include "cpu.h" #include "hw/ppc/ppc.h" #include "hw/i2c/ppc4xx_i2c.h" @@ -38,18 +39,37 @@ #include "hw/intc/ppc-uic.h" #include "hw/qdev-properties.h" #include "qapi/error.h" +#include "trace.h" -//#define DEBUG_OPBA -//#define DEBUG_SDRAM -//#define DEBUG_GPIO -//#define DEBUG_SERIAL -//#define DEBUG_OCM -//#define DEBUG_GPT -//#define DEBUG_CLOCKS -//#define DEBUG_CLOCKS_LL - -ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd, - uint32_t flags) +static void ppc405_set_default_bootinfo(ppc4xx_bd_info_t *bd, + ram_addr_t ram_size) +{ + memset(bd, 0, sizeof(*bd)); + + bd->bi_memstart = PPC405EP_SDRAM_BASE; + bd->bi_memsize = ram_size; + bd->bi_sramstart = PPC405EP_SRAM_BASE; + bd->bi_sramsize = PPC405EP_SRAM_SIZE; + bd->bi_bootflags = 0; + bd->bi_intfreq = 133333333; + bd->bi_busfreq = 33333333; + bd->bi_baudrate = 115200; + bd->bi_s_version[0] = 'Q'; + bd->bi_s_version[1] = 'M'; + bd->bi_s_version[2] = 'U'; + bd->bi_s_version[3] = '\0'; + bd->bi_r_version[0] = 'Q'; + bd->bi_r_version[1] = 'E'; + bd->bi_r_version[2] = 'M'; + bd->bi_r_version[3] = 'U'; + bd->bi_r_version[4] = '\0'; + bd->bi_procfreq = 133333333; + bd->bi_plb_busfreq = 33333333; + bd->bi_pci_busfreq = 33333333; + bd->bi_opbfreq = 33333333; +} + +static ram_addr_t __ppc405_set_bootinfo(CPUPPCState *env, ppc4xx_bd_info_t *bd) { CPUState *cs = env_cpu(env); ram_addr_t bdloc; @@ -82,15 +102,15 @@ ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd, for (i = 0; i < 32; i++) { stb_phys(cs->as, bdloc + 0x3C + i, bd->bi_r_version[i]); } - stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_plb_busfreq); - stl_be_phys(cs->as, bdloc + 0x60, bd->bi_pci_busfreq); + stl_be_phys(cs->as, bdloc + 0x5C, bd->bi_procfreq); + stl_be_phys(cs->as, bdloc + 0x60, bd->bi_plb_busfreq); + stl_be_phys(cs->as, bdloc + 0x64, bd->bi_pci_busfreq); for (i = 0; i < 6; i++) { - stb_phys(cs->as, bdloc + 0x64 + i, bd->bi_pci_enetaddr[i]); + stb_phys(cs->as, bdloc + 0x68 + i, bd->bi_pci_enetaddr[i]); } - n = 0x6A; - if (flags & 0x00000001) { - for (i = 0; i < 6; i++) - stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]); + n = 0x70; /* includes 2 bytes hole */ + for (i = 0; i < 6; i++) { + stb_phys(cs->as, bdloc + n++, bd->bi_pci_enetaddr2[i]); } stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq); n += 4; @@ -102,6 +122,17 @@ ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd, return bdloc; } +ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size) +{ + ppc4xx_bd_info_t bd; + + memset(&bd, 0, sizeof(bd)); + + ppc405_set_default_bootinfo(&bd, ram_size); + + return __ppc405_set_bootinfo(env, &bd); +} + /*****************************************************************************/ /* Shared peripherals */ @@ -287,13 +318,9 @@ struct ppc4xx_opba_t { static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size) { - ppc4xx_opba_t *opba; + ppc4xx_opba_t *opba = opaque; uint32_t ret; -#ifdef DEBUG_OPBA - printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); -#endif - opba = opaque; switch (addr) { case 0x00: ret = opba->cr; @@ -306,19 +333,17 @@ static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size) break; } + trace_opba_readb(addr, ret); return ret; } static void opba_writeb(void *opaque, hwaddr addr, uint64_t value, unsigned size) { - ppc4xx_opba_t *opba; + ppc4xx_opba_t *opba = opaque; + + trace_opba_writeb(addr, value); -#ifdef DEBUG_OPBA - printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, - value); -#endif - opba = opaque; switch (addr) { case 0x00: opba->cr = value & 0xF8; @@ -353,10 +378,9 @@ static void ppc4xx_opba_init(hwaddr base) { ppc4xx_opba_t *opba; + trace_opba_init(base); + opba = g_malloc0(sizeof(ppc4xx_opba_t)); -#ifdef DEBUG_OPBA - printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); -#endif memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002); memory_region_add_subregion(get_system_memory(), base, &opba->io); qemu_register_reset(ppc4xx_opba_reset, opba); @@ -707,20 +731,14 @@ struct ppc405_gpio_t { static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size) { -#ifdef DEBUG_GPIO - printf("%s: addr " TARGET_FMT_plx " size %d\n", __func__, addr, size); -#endif - + trace_ppc405_gpio_read(addr, size); return 0; } static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { -#ifdef DEBUG_GPIO - printf("%s: addr " TARGET_FMT_plx " size %d val %08" PRIx32 "\n", - __func__, addr, size, value); -#endif + trace_ppc405_gpio_write(addr, size, value); } static const MemoryRegionOps ppc405_gpio_ops = { @@ -737,10 +755,9 @@ static void ppc405_gpio_init(hwaddr base) { ppc405_gpio_t *gpio; + trace_ppc405_gpio_init(base); + gpio = g_malloc0(sizeof(ppc405_gpio_t)); -#ifdef DEBUG_GPIO - printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); -#endif memory_region_init_io(&gpio->io, NULL, &ppc405_gpio_ops, gpio, "pgio", 0x038); memory_region_add_subregion(get_system_memory(), base, &gpio->io); qemu_register_reset(&ppc405_gpio_reset, gpio); @@ -770,25 +787,19 @@ static void ocm_update_mappings (ppc405_ocm_t *ocm, uint32_t isarc, uint32_t isacntl, uint32_t dsarc, uint32_t dsacntl) { -#ifdef DEBUG_OCM - printf("OCM update ISA %08" PRIx32 " %08" PRIx32 " (%08" PRIx32 - " %08" PRIx32 ") DSA %08" PRIx32 " %08" PRIx32 - " (%08" PRIx32 " %08" PRIx32 ")\n", - isarc, isacntl, dsarc, dsacntl, - ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl); -#endif + trace_ocm_update_mappings(isarc, isacntl, dsarc, dsacntl, ocm->isarc, + ocm->isacntl, ocm->dsarc, ocm->dsacntl); + if (ocm->isarc != isarc || (ocm->isacntl & 0x80000000) != (isacntl & 0x80000000)) { if (ocm->isacntl & 0x80000000) { /* Unmap previously assigned memory region */ - printf("OCM unmap ISA %08" PRIx32 "\n", ocm->isarc); + trace_ocm_unmap("ISA", ocm->isarc); memory_region_del_subregion(get_system_memory(), &ocm->isarc_ram); } if (isacntl & 0x80000000) { /* Map new instruction memory region */ -#ifdef DEBUG_OCM - printf("OCM map ISA %08" PRIx32 "\n", isarc); -#endif + trace_ocm_map("ISA", isarc); memory_region_add_subregion(get_system_memory(), isarc, &ocm->isarc_ram); } @@ -799,9 +810,7 @@ static void ocm_update_mappings (ppc405_ocm_t *ocm, /* Beware not to unmap the region we just mapped */ if (!(isacntl & 0x80000000) || ocm->dsarc != isarc) { /* Unmap previously assigned memory region */ -#ifdef DEBUG_OCM - printf("OCM unmap DSA %08" PRIx32 "\n", ocm->dsarc); -#endif + trace_ocm_unmap("DSA", ocm->dsarc); memory_region_del_subregion(get_system_memory(), &ocm->dsarc_ram); } @@ -810,9 +819,7 @@ static void ocm_update_mappings (ppc405_ocm_t *ocm, /* Beware not to remap the region we just mapped */ if (!(isacntl & 0x80000000) || dsarc != isarc) { /* Map new data memory region */ -#ifdef DEBUG_OCM - printf("OCM map DSA %08" PRIx32 "\n", dsarc); -#endif + trace_ocm_map("DSA", dsarc); memory_region_add_subregion(get_system_memory(), dsarc, &ocm->dsarc_ram); } @@ -988,14 +995,12 @@ static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt) static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size) { - ppc4xx_gpt_t *gpt; + ppc4xx_gpt_t *gpt = opaque; uint32_t ret; int idx; -#ifdef DEBUG_GPT - printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr); -#endif - gpt = opaque; + trace_ppc4xx_gpt_read(addr, size); + switch (addr) { case 0x00: /* Time base counter */ @@ -1044,14 +1049,11 @@ static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size) static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value, unsigned size) { - ppc4xx_gpt_t *gpt; + ppc4xx_gpt_t *gpt = opaque; int idx; -#ifdef DEBUG_I2C - printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr, - value); -#endif - gpt = opaque; + trace_ppc4xx_gpt_write(addr, size, value); + switch (addr) { case 0x00: /* Time base counter */ @@ -1144,14 +1146,13 @@ static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5]) ppc4xx_gpt_t *gpt; int i; + trace_ppc4xx_gpt_init(base); + gpt = g_malloc0(sizeof(ppc4xx_gpt_t)); for (i = 0; i < 5; i++) { gpt->irqs[i] = irqs[i]; } gpt->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, &ppc4xx_gpt_cb, gpt); -#ifdef DEBUG_GPT - printf("%s: offset " TARGET_FMT_plx "\n", __func__, base); -#endif memory_region_init_io(&gpt->iomem, NULL, &gpt_ops, gpt, "gpt", 0x0d4); memory_region_add_subregion(get_system_memory(), base, &gpt->iomem); qemu_register_reset(ppc4xx_gpt_reset, gpt); @@ -1215,17 +1216,14 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) VCO_out = 0; if ((cpc->pllmr[1] & 0x80000000) && !(cpc->pllmr[1] & 0x40000000)) { M = (((cpc->pllmr[1] >> 20) - 1) & 0xF) + 1; /* FBMUL */ -#ifdef DEBUG_CLOCKS_LL - printf("FBMUL %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 20) & 0xF, M); -#endif + trace_ppc405ep_clocks_compute("FBMUL", (cpc->pllmr[1] >> 20) & 0xF, M); D = 8 - ((cpc->pllmr[1] >> 16) & 0x7); /* FWDA */ -#ifdef DEBUG_CLOCKS_LL - printf("FWDA %01" PRIx32 " %d\n", (cpc->pllmr[1] >> 16) & 0x7, D); -#endif + trace_ppc405ep_clocks_compute("FWDA", (cpc->pllmr[1] >> 16) & 0x7, D); VCO_out = (uint64_t)cpc->sysclk * M * D; if (VCO_out < 500000000UL || VCO_out > 1000000000UL) { /* Error - unlock the PLL */ - printf("VCO out of range %" PRIu64 "\n", VCO_out); + qemu_log_mask(LOG_GUEST_ERROR, "VCO out of range %" PRIu64 "\n", + VCO_out); #if 0 cpc->pllmr[1] &= ~0x80000000; goto pll_bypass; @@ -1246,54 +1244,43 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) } /* Now, compute all other clocks */ D = ((cpc->pllmr[0] >> 20) & 0x3) + 1; /* CCDV */ -#ifdef DEBUG_CLOCKS_LL - printf("CCDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 20) & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("CCDV", (cpc->pllmr[0] >> 20) & 0x3, D); CPU_clk = PLL_out / D; D = ((cpc->pllmr[0] >> 16) & 0x3) + 1; /* CBDV */ -#ifdef DEBUG_CLOCKS_LL - printf("CBDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 16) & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("CBDV", (cpc->pllmr[0] >> 16) & 0x3, D); PLB_clk = CPU_clk / D; D = ((cpc->pllmr[0] >> 12) & 0x3) + 1; /* OPDV */ -#ifdef DEBUG_CLOCKS_LL - printf("OPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 12) & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("OPDV", (cpc->pllmr[0] >> 12) & 0x3, D); OPB_clk = PLB_clk / D; D = ((cpc->pllmr[0] >> 8) & 0x3) + 2; /* EPDV */ -#ifdef DEBUG_CLOCKS_LL - printf("EPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 8) & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("EPDV", (cpc->pllmr[0] >> 8) & 0x3, D); EBC_clk = PLB_clk / D; D = ((cpc->pllmr[0] >> 4) & 0x3) + 1; /* MPDV */ -#ifdef DEBUG_CLOCKS_LL - printf("MPDV %01" PRIx32 " %d\n", (cpc->pllmr[0] >> 4) & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("MPDV", (cpc->pllmr[0] >> 4) & 0x3, D); MAL_clk = PLB_clk / D; D = (cpc->pllmr[0] & 0x3) + 1; /* PPDV */ -#ifdef DEBUG_CLOCKS_LL - printf("PPDV %01" PRIx32 " %d\n", cpc->pllmr[0] & 0x3, D); -#endif + trace_ppc405ep_clocks_compute("PPDV", cpc->pllmr[0] & 0x3, D); PCI_clk = PLB_clk / D; D = ((cpc->ucr - 1) & 0x7F) + 1; /* U0DIV */ -#ifdef DEBUG_CLOCKS_LL - printf("U0DIV %01" PRIx32 " %d\n", cpc->ucr & 0x7F, D); -#endif + trace_ppc405ep_clocks_compute("U0DIV", cpc->ucr & 0x7F, D); UART0_clk = PLL_out / D; D = (((cpc->ucr >> 8) - 1) & 0x7F) + 1; /* U1DIV */ -#ifdef DEBUG_CLOCKS_LL - printf("U1DIV %01" PRIx32 " %d\n", (cpc->ucr >> 8) & 0x7F, D); -#endif + trace_ppc405ep_clocks_compute("U1DIV", (cpc->ucr >> 8) & 0x7F, D); UART1_clk = PLL_out / D; -#ifdef DEBUG_CLOCKS - printf("Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64 - " PLL out %" PRIu64 " Hz\n", cpc->sysclk, VCO_out, PLL_out); - printf("CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32 - " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32 - " UART1 %" PRIu32 "\n", - CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk, - UART0_clk, UART1_clk); -#endif + + if (trace_event_get_state_backends(TRACE_PPC405EP_CLOCKS_SETUP)) { + g_autofree char *trace = g_strdup_printf( + "Setup PPC405EP clocks - sysclk %" PRIu32 " VCO %" PRIu64 + " PLL out %" PRIu64 " Hz\n" + "CPU %" PRIu32 " PLB %" PRIu32 " OPB %" PRIu32 " EBC %" PRIu32 + " MAL %" PRIu32 " PCI %" PRIu32 " UART0 %" PRIu32 + " UART1 %" PRIu32 "\n", + cpc->sysclk, VCO_out, PLL_out, + CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk, + UART0_clk, UART1_clk); + trace_ppc405ep_clocks_setup(trace); + } + /* Setup CPU clocks */ clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk); /* Setup PLB clock */ @@ -1395,9 +1382,9 @@ static void ppc405ep_cpc_reset (void *opaque) cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */ cpc->epctl = 0x00000000; - cpc->pllmr[0] = 0x00011010; - cpc->pllmr[1] = 0x40000000; - cpc->ucr = 0x00000000; + cpc->pllmr[0] = 0x00021002; + cpc->pllmr[1] = 0x80a552be; + cpc->ucr = 0x00004646; cpc->srr = 0x00040000; cpc->pci = 0x00000000; cpc->er = 0x00000000; @@ -1444,7 +1431,7 @@ static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8], #endif } -CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem, +PowerPCCPU *ppc405ep_init(MemoryRegion *address_space_mem, MemoryRegion ram_memories[2], hwaddr ram_bases[2], hwaddr ram_sizes[2], @@ -1543,5 +1530,5 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem, /* CPU control */ ppc405ep_cpc_init(env, clk_setup, sysclk); - return env; + return cpu; } |