diff options
author | Cédric Le Goater <clg@kaod.org> | 2022-08-17 17:08:20 +0200 |
---|---|---|
committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-08-31 14:08:06 -0300 |
commit | 4a7d2b7e5cebd00bdcc842517174ad33fd4934cb (patch) | |
tree | fe953067f4153747da8a2858f9bf2d2ecce1f666 /hw | |
parent | 629cae617039e03d5bfdc0120ade69135a009d33 (diff) |
ppc/ppc405: QOM'ify CPC
The CPC controller is currently modeled as a DCR device.
Now that all clock settings are handled at the CPC level, change the
SoC "sys-clk" property to be an alias on the same property in the CPC
model.
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
[balaton: ppc4xx_dcr_register changes]
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <23393cb91a2c6c560a4461b3e9d1baa48ae28f74.1660746880.git.balaton@eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/ppc/ppc405.h | 35 | ||||
-rw-r--r-- | hw/ppc/ppc405_uc.c | 141 |
2 files changed, 95 insertions, 81 deletions
diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index 8cc76cc8b3..2ba829988d 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,39 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; +#define TYPE_PPC405_CPC "ppc405-cpc" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405CpcState, PPC405_CPC); + +enum { + PPC405EP_CPU_CLK = 0, + PPC405EP_PLB_CLK = 1, + PPC405EP_OPB_CLK = 2, + PPC405EP_EBC_CLK = 3, + PPC405EP_MAL_CLK = 4, + PPC405EP_PCI_CLK = 5, + PPC405EP_UART0_CLK = 6, + PPC405EP_UART1_CLK = 7, + PPC405EP_CLK_NB = 8, +}; + +struct Ppc405CpcState { + Ppc4xxDcrDeviceState parent_obj; + + uint32_t sysclk; + clk_setup_t clk_setup[PPC405EP_CLK_NB]; + uint32_t boot; + uint32_t epctl; + uint32_t pllmr[2]; + uint32_t ucr; + uint32_t srr; + uint32_t jtagid; + uint32_t pci; + /* Clock and power management */ + uint32_t er; + uint32_t fr; + uint32_t sr; +}; + #define TYPE_PPC405_SOC "ppc405-soc" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405SoCState, PPC405_SOC); @@ -78,9 +111,9 @@ struct Ppc405SoCState { MemoryRegion *dram_mr; hwaddr ram_size; - uint32_t sysclk; PowerPCCPU cpu; DeviceState *uic; + Ppc405CpcState cpc; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 14a525b2eb..ec83c292a5 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -1178,36 +1178,7 @@ enum { #endif }; -enum { - PPC405EP_CPU_CLK = 0, - PPC405EP_PLB_CLK = 1, - PPC405EP_OPB_CLK = 2, - PPC405EP_EBC_CLK = 3, - PPC405EP_MAL_CLK = 4, - PPC405EP_PCI_CLK = 5, - PPC405EP_UART0_CLK = 6, - PPC405EP_UART1_CLK = 7, - PPC405EP_CLK_NB = 8, -}; - -typedef struct ppc405ep_cpc_t ppc405ep_cpc_t; -struct ppc405ep_cpc_t { - uint32_t sysclk; - clk_setup_t clk_setup[PPC405EP_CLK_NB]; - uint32_t boot; - uint32_t epctl; - uint32_t pllmr[2]; - uint32_t ucr; - 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) +static void ppc405ep_compute_clocks(Ppc405CpcState *cpc) { uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk; uint32_t UART0_clk, UART1_clk; @@ -1300,12 +1271,11 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk); } -static uint32_t dcr_read_epcpc (void *opaque, int dcrn) +static uint32_t dcr_read_epcpc(void *opaque, int dcrn) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc = opaque; uint32_t ret; - cpc = opaque; switch (dcrn) { case PPC405EP_CPC0_BOOT: ret = cpc->boot; @@ -1340,11 +1310,10 @@ static uint32_t dcr_read_epcpc (void *opaque, int dcrn) return ret; } -static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val) +static void dcr_write_epcpc(void *opaque, int dcrn, uint32_t val) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc = opaque; - cpc = opaque; switch (dcrn) { case PPC405EP_CPC0_BOOT: /* Read-only register */ @@ -1377,9 +1346,9 @@ static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val) } } -static void ppc405ep_cpc_reset (void *opaque) +static void ppc405_cpc_reset(DeviceState *dev) { - ppc405ep_cpc_t *cpc = opaque; + Ppc405CpcState *cpc = PPC405_CPC(dev); cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */ cpc->epctl = 0x00000000; @@ -1391,53 +1360,66 @@ static void ppc405ep_cpc_reset (void *opaque) cpc->er = 0x00000000; cpc->fr = 0x00000000; cpc->sr = 0x00000000; + cpc->jtagid = 0x20267049; ppc405ep_compute_clocks(cpc); } /* XXX: sysclk should be between 25 and 100 MHz */ -static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8], - uint32_t sysclk) +static void ppc405_cpc_realize(DeviceState *dev, Error **errp) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc = PPC405_CPC(dev); + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev); + + assert(dcr->cpu); + cpc->clk_setup[PPC405EP_CPU_CLK].cb = + ppc_40x_timers_init(&dcr->cpu->env, cpc->sysclk, PPC_INTERRUPT_PIT); + cpc->clk_setup[PPC405EP_CPU_CLK].opaque = &dcr->cpu->env; + + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_BOOT, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_EPCTL, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR0, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PLLMR1, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_UCR, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_SRR, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_JTAGID, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); + ppc4xx_dcr_register(dcr, PPC405EP_CPC0_PCI, cpc, + &dcr_read_epcpc, &dcr_write_epcpc); +} - cpc = g_new0(ppc405ep_cpc_t, 1); - memcpy(cpc->clk_setup, clk_setup, - PPC405EP_CLK_NB * sizeof(clk_setup_t)); - cpc->jtagid = 0x20267049; - cpc->sysclk = sysclk; - qemu_register_reset(&ppc405ep_cpc_reset, cpc); - ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_PLLMR0, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_PLLMR1, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_UCR, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_SRR, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_JTAGID, cpc, - &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 +static Property ppc405_cpc_properties[] = { + DEFINE_PROP_UINT32("sys-clk", Ppc405CpcState, sysclk, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ppc405_cpc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ppc405_cpc_realize; + dc->reset = ppc405_cpc_reset; + /* Reason: only works as function of a ppc4xx SoC */ + dc->user_creatable = false; + device_class_set_props(dc, ppc405_cpc_properties); } +/* PPC405_SOC */ + static void ppc405_soc_instance_init(Object *obj) { Ppc405SoCState *s = PPC405_SOC(obj); object_initialize_child(obj, "cpu", &s->cpu, POWERPC_CPU_TYPE_NAME("405ep")); + + object_initialize_child(obj, "cpc", &s->cpc, TYPE_PPC405_CPC); + object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk"); } static void ppc405_reset(void *opaque) @@ -1448,12 +1430,9 @@ static void ppc405_reset(void *opaque) static void ppc405_soc_realize(DeviceState *dev, Error **errp) { Ppc405SoCState *s = PPC405_SOC(dev); - clk_setup_t clk_setup[PPC405EP_CLK_NB]; qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4]; CPUPPCState *env; - memset(clk_setup, 0, sizeof(clk_setup)); - /* init CPUs */ if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { return; @@ -1462,14 +1441,12 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) env = &s->cpu.env; - clk_setup[PPC405EP_CPU_CLK].cb = - ppc_40x_timers_init(env, s->sysclk, PPC_INTERRUPT_PIT); - clk_setup[PPC405EP_CPU_CLK].opaque = env; - ppc_dcr_init(env, NULL, NULL); /* CPU control */ - ppc405ep_cpc_init(env, clk_setup, s->sysclk); + if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->cpc), &s->cpu, errp)) { + return; + } /* PLB arbitrer */ ppc4xx_plb_init(env); @@ -1561,7 +1538,6 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) static Property ppc405_soc_properties[] = { DEFINE_PROP_LINK("dram", Ppc405SoCState, dram_mr, TYPE_MEMORY_REGION, MemoryRegion *), - DEFINE_PROP_UINT32("sys-clk", Ppc405SoCState, sysclk, 0), DEFINE_PROP_BOOL("dram-init", Ppc405SoCState, do_dram_init, 0), DEFINE_PROP_UINT64("ram-size", Ppc405SoCState, ram_size, 0), DEFINE_PROP_END_OF_LIST(), @@ -1579,6 +1555,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_CPC, + .parent = TYPE_PPC4xx_DCR_DEVICE, + .instance_size = sizeof(Ppc405CpcState), + .class_init = ppc405_cpc_class_init, + }, { .name = TYPE_PPC405_SOC, .parent = TYPE_DEVICE, .instance_size = sizeof(Ppc405SoCState), |