diff options
| -rw-r--r-- | hw/ppc/ppc4xx_sdram.c | 158 |
1 files changed, 79 insertions, 79 deletions
diff --git a/hw/ppc/ppc4xx_sdram.c b/hw/ppc/ppc4xx_sdram.c index 2294747..4bc53c8 100644 --- a/hw/ppc/ppc4xx_sdram.c +++ b/hw/ppc/ppc4xx_sdram.c @@ -237,56 +237,56 @@ static void sdram_ddr_unmap_bcr(Ppc4xxSdramDdrState *sdram) static uint32_t sdram_ddr_dcr_read(void *opaque, int dcrn) { - Ppc4xxSdramDdrState *sdram = opaque; + Ppc4xxSdramDdrState *s = opaque; uint32_t ret; switch (dcrn) { case SDRAM0_CFGADDR: - ret = sdram->addr; + ret = s->addr; break; case SDRAM0_CFGDATA: - switch (sdram->addr) { + switch (s->addr) { case 0x00: /* SDRAM_BESR0 */ - ret = sdram->besr0; + ret = s->besr0; break; case 0x08: /* SDRAM_BESR1 */ - ret = sdram->besr1; + ret = s->besr1; break; case 0x10: /* SDRAM_BEAR */ - ret = sdram->bear; + ret = s->bear; break; case 0x20: /* SDRAM_CFG */ - ret = sdram->cfg; + ret = s->cfg; break; case 0x24: /* SDRAM_STATUS */ - ret = sdram->status; + ret = s->status; break; case 0x30: /* SDRAM_RTR */ - ret = sdram->rtr; + ret = s->rtr; break; case 0x34: /* SDRAM_PMIT */ - ret = sdram->pmit; + ret = s->pmit; break; case 0x40: /* SDRAM_B0CR */ - ret = sdram->bank[0].bcr; + ret = s->bank[0].bcr; break; case 0x44: /* SDRAM_B1CR */ - ret = sdram->bank[1].bcr; + ret = s->bank[1].bcr; break; case 0x48: /* SDRAM_B2CR */ - ret = sdram->bank[2].bcr; + ret = s->bank[2].bcr; break; case 0x4C: /* SDRAM_B3CR */ - ret = sdram->bank[3].bcr; + ret = s->bank[3].bcr; break; case 0x80: /* SDRAM_TR */ ret = -1; /* ? */ break; case 0x94: /* SDRAM_ECCCFG */ - ret = sdram->ecccfg; + ret = s->ecccfg; break; case 0x98: /* SDRAM_ECCESR */ - ret = sdram->eccesr; + ret = s->eccesr; break; default: /* Error */ ret = -1; @@ -304,78 +304,78 @@ static uint32_t sdram_ddr_dcr_read(void *opaque, int dcrn) static void sdram_ddr_dcr_write(void *opaque, int dcrn, uint32_t val) { - Ppc4xxSdramDdrState *sdram = opaque; + Ppc4xxSdramDdrState *s = opaque; switch (dcrn) { case SDRAM0_CFGADDR: - sdram->addr = val; + s->addr = val; break; case SDRAM0_CFGDATA: - switch (sdram->addr) { + switch (s->addr) { case 0x00: /* SDRAM_BESR0 */ - sdram->besr0 &= ~val; + s->besr0 &= ~val; break; case 0x08: /* SDRAM_BESR1 */ - sdram->besr1 &= ~val; + s->besr1 &= ~val; break; case 0x10: /* SDRAM_BEAR */ - sdram->bear = val; + s->bear = val; break; case 0x20: /* SDRAM_CFG */ val &= 0xFFE00000; - if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) { + if (!(s->cfg & 0x80000000) && (val & 0x80000000)) { trace_ppc4xx_sdram_enable("enable"); /* validate all RAM mappings */ - sdram_ddr_map_bcr(sdram); - sdram->status &= ~0x80000000; - } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) { + sdram_ddr_map_bcr(s); + s->status &= ~0x80000000; + } else if ((s->cfg & 0x80000000) && !(val & 0x80000000)) { trace_ppc4xx_sdram_enable("disable"); /* invalidate all RAM mappings */ - sdram_ddr_unmap_bcr(sdram); - sdram->status |= 0x80000000; + sdram_ddr_unmap_bcr(s); + s->status |= 0x80000000; } - if (!(sdram->cfg & 0x40000000) && (val & 0x40000000)) { - sdram->status |= 0x40000000; - } else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000)) { - sdram->status &= ~0x40000000; + if (!(s->cfg & 0x40000000) && (val & 0x40000000)) { + s->status |= 0x40000000; + } else if ((s->cfg & 0x40000000) && !(val & 0x40000000)) { + s->status &= ~0x40000000; } - sdram->cfg = val; + s->cfg = val; break; case 0x24: /* SDRAM_STATUS */ /* Read-only register */ break; case 0x30: /* SDRAM_RTR */ - sdram->rtr = val & 0x3FF80000; + s->rtr = val & 0x3FF80000; break; case 0x34: /* SDRAM_PMIT */ - sdram->pmit = (val & 0xF8000000) | 0x07C00000; + s->pmit = (val & 0xF8000000) | 0x07C00000; break; case 0x40: /* SDRAM_B0CR */ - sdram_ddr_set_bcr(sdram, 0, val, sdram->cfg & 0x80000000); + sdram_ddr_set_bcr(s, 0, val, s->cfg & 0x80000000); break; case 0x44: /* SDRAM_B1CR */ - sdram_ddr_set_bcr(sdram, 1, val, sdram->cfg & 0x80000000); + sdram_ddr_set_bcr(s, 1, val, s->cfg & 0x80000000); break; case 0x48: /* SDRAM_B2CR */ - sdram_ddr_set_bcr(sdram, 2, val, sdram->cfg & 0x80000000); + sdram_ddr_set_bcr(s, 2, val, s->cfg & 0x80000000); break; case 0x4C: /* SDRAM_B3CR */ - sdram_ddr_set_bcr(sdram, 3, val, sdram->cfg & 0x80000000); + sdram_ddr_set_bcr(s, 3, val, s->cfg & 0x80000000); break; case 0x80: /* SDRAM_TR */ - sdram->tr = val & 0x018FC01F; + s->tr = val & 0x018FC01F; break; case 0x94: /* SDRAM_ECCCFG */ - sdram->ecccfg = val & 0x00F00000; + s->ecccfg = val & 0x00F00000; break; case 0x98: /* SDRAM_ECCESR */ val &= 0xFFF0F000; - if (sdram->eccesr == 0 && val != 0) { - qemu_irq_raise(sdram->irq); - } else if (sdram->eccesr != 0 && val == 0) { - qemu_irq_lower(sdram->irq); + if (s->eccesr == 0 && val != 0) { + qemu_irq_raise(s->irq); + } else if (s->eccesr != 0 && val == 0) { + qemu_irq_lower(s->irq); } - sdram->eccesr = val; + s->eccesr = val; break; default: /* Error */ break; @@ -386,21 +386,21 @@ static void sdram_ddr_dcr_write(void *opaque, int dcrn, uint32_t val) static void ppc4xx_sdram_ddr_reset(DeviceState *dev) { - Ppc4xxSdramDdrState *sdram = PPC4xx_SDRAM_DDR(dev); - - sdram->addr = 0; - sdram->bear = 0; - sdram->besr0 = 0; /* No error */ - sdram->besr1 = 0; /* No error */ - sdram->cfg = 0; - sdram->ecccfg = 0; /* No ECC */ - sdram->eccesr = 0; /* No error */ - sdram->pmit = 0x07C00000; - sdram->rtr = 0x05F00000; - sdram->tr = 0x00854009; + Ppc4xxSdramDdrState *s = PPC4xx_SDRAM_DDR(dev); + + s->addr = 0; + s->bear = 0; + s->besr0 = 0; /* No error */ + s->besr1 = 0; /* No error */ + s->cfg = 0; + s->ecccfg = 0; /* No ECC */ + s->eccesr = 0; /* No error */ + s->pmit = 0x07C00000; + s->rtr = 0x05F00000; + s->tr = 0x00854009; /* We pre-initialize RAM banks */ - sdram->status = 0; - sdram->cfg = 0x00800000; + s->status = 0; + s->cfg = 0x00800000; } static void ppc4xx_sdram_ddr_realize(DeviceState *dev, Error **errp) @@ -572,7 +572,7 @@ static void sdram_ddr2_unmap_bcr(Ppc4xxSdramDdr2State *sdram) static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn) { - Ppc4xxSdramDdr2State *sdram = opaque; + Ppc4xxSdramDdr2State *s = opaque; uint32_t ret = 0; switch (dcrn) { @@ -580,9 +580,9 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn) case SDRAM_R1BAS: case SDRAM_R2BAS: case SDRAM_R3BAS: - if (sdram->bank[dcrn - SDRAM_R0BAS].size) { - ret = sdram_ddr2_bcr(sdram->bank[dcrn - SDRAM_R0BAS].base, - sdram->bank[dcrn - SDRAM_R0BAS].size); + if (s->bank[dcrn - SDRAM_R0BAS].size) { + ret = sdram_ddr2_bcr(s->bank[dcrn - SDRAM_R0BAS].base, + s->bank[dcrn - SDRAM_R0BAS].size); } break; case SDRAM_CONF1HB: @@ -592,16 +592,16 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn) case SDRAM_PLBADDUHB: break; case SDRAM0_CFGADDR: - ret = sdram->addr; + ret = s->addr; break; case SDRAM0_CFGDATA: - switch (sdram->addr) { + switch (s->addr) { case 0x14: /* SDRAM_MCSTAT (405EX) */ case 0x1F: ret = 0x80000000; break; case 0x21: /* SDRAM_MCOPT2 */ - ret = sdram->mcopt2; + ret = s->mcopt2; break; case 0x40: /* SDRAM_MB0CF */ ret = 0x00008001; @@ -627,7 +627,7 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn) static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val) { - Ppc4xxSdramDdr2State *sdram = opaque; + Ppc4xxSdramDdr2State *s = opaque; switch (dcrn) { case SDRAM_R0BAS: @@ -641,25 +641,25 @@ static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val) case SDRAM_PLBADDUHB: break; case SDRAM0_CFGADDR: - sdram->addr = val; + s->addr = val; break; case SDRAM0_CFGDATA: - switch (sdram->addr) { + switch (s->addr) { case 0x00: /* B0CR */ break; case 0x21: /* SDRAM_MCOPT2 */ - if (!(sdram->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) && + if (!(s->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) && (val & SDRAM_DDR2_MCOPT2_DCEN)) { trace_ppc4xx_sdram_enable("enable"); /* validate all RAM mappings */ - sdram_ddr2_map_bcr(sdram); - sdram->mcopt2 |= SDRAM_DDR2_MCOPT2_DCEN; - } else if ((sdram->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) && + sdram_ddr2_map_bcr(s); + s->mcopt2 |= SDRAM_DDR2_MCOPT2_DCEN; + } else if ((s->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) && !(val & SDRAM_DDR2_MCOPT2_DCEN)) { trace_ppc4xx_sdram_enable("disable"); /* invalidate all RAM mappings */ - sdram_ddr2_unmap_bcr(sdram); - sdram->mcopt2 &= ~SDRAM_DDR2_MCOPT2_DCEN; + sdram_ddr2_unmap_bcr(s); + s->mcopt2 &= ~SDRAM_DDR2_MCOPT2_DCEN; } break; default: @@ -673,10 +673,10 @@ static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val) static void ppc4xx_sdram_ddr2_reset(DeviceState *dev) { - Ppc4xxSdramDdr2State *sdram = PPC4xx_SDRAM_DDR2(dev); + Ppc4xxSdramDdr2State *s = PPC4xx_SDRAM_DDR2(dev); - sdram->addr = 0; - sdram->mcopt2 = 0; + s->addr = 0; + s->mcopt2 = 0; } static void ppc4xx_sdram_ddr2_realize(DeviceState *dev, Error **errp) |