From 415a6333d44818b6ae23d4dda813fa8a8f0df2fc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Wed, 17 Aug 2022 17:08:25 +0200 Subject: [PATCH] ppc/ppc405: QOM'ify EBC MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit EBC is currently modeled as a DCR device. Also drop the ppc405_ebc_init() helper and adapt the sam460ex machine. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Cédric Le Goater [balaton: ppc4xx_dcr_register changes] Signed-off-by: BALATON Zoltan Message-Id: <51a0769ab605c5158f4f2f1c896725d5fe7a073b.1660746880.git.balaton@eik.bme.hu> Signed-off-by: Daniel Henrique Barboza --- hw/ppc/ppc405.h | 17 ++++++++++++- hw/ppc/ppc405_uc.c | 60 ++++++++++++++++++++++++---------------------- hw/ppc/sam460ex.c | 4 +++- 3 files changed, 50 insertions(+), 31 deletions(-) diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index c75e4c7cb5..82bf8dae93 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,21 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; +/* Peripheral controller */ +#define TYPE_PPC405_EBC "ppc405-ebc" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405EbcState, PPC405_EBC); +struct Ppc405EbcState { + Ppc4xxDcrDeviceState parent_obj; + + uint32_t addr; + uint32_t bcr[8]; + uint32_t bap[8]; + uint32_t bear; + uint32_t besr0; + uint32_t besr1; + uint32_t cfg; +}; + /* DMA controller */ #define TYPE_PPC405_DMA "ppc405-dma" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405DmaState, PPC405_DMA); @@ -192,12 +207,12 @@ struct Ppc405SoCState { Ppc405OcmState ocm; Ppc405GpioState gpio; Ppc405DmaState dma; + Ppc405EbcState ebc; }; /* PowerPC 405 core */ ram_addr_t ppc405_set_bootinfo(CPUPPCState *env, ram_addr_t ram_size); void ppc4xx_plb_init(CPUPPCState *env); -void ppc405_ebc_init(CPUPPCState *env); #endif /* PPC405_H */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 3845c0fec1..ff81fb3e20 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -393,28 +393,16 @@ static void ppc4xx_opba_init(hwaddr base) /*****************************************************************************/ /* Peripheral controller */ -typedef struct ppc4xx_ebc_t ppc4xx_ebc_t; -struct ppc4xx_ebc_t { - uint32_t addr; - uint32_t bcr[8]; - uint32_t bap[8]; - uint32_t bear; - uint32_t besr0; - uint32_t besr1; - uint32_t cfg; -}; - enum { EBC0_CFGADDR = 0x012, EBC0_CFGDATA = 0x013, }; -static uint32_t dcr_read_ebc (void *opaque, int dcrn) +static uint32_t dcr_read_ebc(void *opaque, int dcrn) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = opaque; uint32_t ret; - ebc = opaque; switch (dcrn) { case EBC0_CFGADDR: ret = ebc->addr; @@ -494,11 +482,10 @@ static uint32_t dcr_read_ebc (void *opaque, int dcrn) return ret; } -static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) +static void dcr_write_ebc(void *opaque, int dcrn, uint32_t val) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = opaque; - ebc = opaque; switch (dcrn) { case EBC0_CFGADDR: ebc->addr = val; @@ -554,12 +541,11 @@ static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val) } } -static void ebc_reset (void *opaque) +static void ppc405_ebc_reset(DeviceState *dev) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(dev); int i; - ebc = opaque; ebc->addr = 0x00000000; ebc->bap[0] = 0x7F8FFE80; ebc->bcr[0] = 0xFFE28000; @@ -572,16 +558,23 @@ static void ebc_reset (void *opaque) ebc->cfg = 0x80400000; } -void ppc405_ebc_init(CPUPPCState *env) +static void ppc405_ebc_realize(DeviceState *dev, Error **errp) { - ppc4xx_ebc_t *ebc; + Ppc405EbcState *ebc = PPC405_EBC(dev); + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev); - ebc = g_new0(ppc4xx_ebc_t, 1); - qemu_register_reset(&ebc_reset, ebc); - ppc_dcr_register(env, EBC0_CFGADDR, - ebc, &dcr_read_ebc, &dcr_write_ebc); - ppc_dcr_register(env, EBC0_CFGDATA, - ebc, &dcr_read_ebc, &dcr_write_ebc); + ppc4xx_dcr_register(dcr, EBC0_CFGADDR, ebc, &dcr_read_ebc, &dcr_write_ebc); + ppc4xx_dcr_register(dcr, EBC0_CFGDATA, ebc, &dcr_read_ebc, &dcr_write_ebc); +} + +static void ppc405_ebc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ppc405_ebc_realize; + dc->reset = ppc405_ebc_reset; + /* Reason: only works as function of a ppc4xx SoC */ + dc->user_creatable = false; } /*****************************************************************************/ @@ -1378,6 +1371,8 @@ static void ppc405_soc_instance_init(Object *obj) object_initialize_child(obj, "gpio", &s->gpio, TYPE_PPC405_GPIO); object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA); + + object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC405_EBC); } static void ppc405_reset(void *opaque) @@ -1444,7 +1439,9 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) s->do_dram_init); /* External bus controller */ - ppc405_ebc_init(env); + if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ebc), &s->cpu, errp)) { + return; + } /* DMA controller */ if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->dma), &s->cpu, errp)) { @@ -1526,6 +1523,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_EBC, + .parent = TYPE_PPC4xx_DCR_DEVICE, + .instance_size = sizeof(Ppc405EbcState), + .class_init = ppc405_ebc_class_init, + }, { .name = TYPE_PPC405_DMA, .parent = TYPE_PPC4xx_DCR_DEVICE, .instance_size = sizeof(Ppc405DmaState), diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c index 0357ee077f..320c61a7f3 100644 --- a/hw/ppc/sam460ex.c +++ b/hw/ppc/sam460ex.c @@ -371,7 +371,9 @@ static void sam460ex_init(MachineState *machine) qdev_get_gpio_in(uic[0], 3)); /* External bus controller */ - ppc405_ebc_init(env); + dev = qdev_new(TYPE_PPC405_EBC); + ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(dev), cpu, &error_fatal); + object_unref(OBJECT(dev)); /* CPR */ ppc4xx_cpr_init(env);