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-rw-r--r--hw/ppc/ppc405_uc.c415
1 files changed, 42 insertions, 373 deletions
diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c
index 381720aced..fe047074a1 100644
--- a/hw/ppc/ppc405_uc.c
+++ b/hw/ppc/ppc405_uc.c
@@ -36,6 +36,9 @@
#include "sysemu/sysemu.h"
#include "qemu/log.h"
#include "exec/address-spaces.h"
+#include "hw/intc/ppc-uic.h"
+#include "hw/qdev-properties.h"
+#include "qapi/error.h"
//#define DEBUG_OPBA
//#define DEBUG_SDRAM
@@ -1156,351 +1159,6 @@ static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
}
/*****************************************************************************/
-/* PowerPC 405CR */
-enum {
- PPC405CR_CPC0_PLLMR = 0x0B0,
- PPC405CR_CPC0_CR0 = 0x0B1,
- PPC405CR_CPC0_CR1 = 0x0B2,
- PPC405CR_CPC0_PSR = 0x0B4,
- PPC405CR_CPC0_JTAGID = 0x0B5,
- PPC405CR_CPC0_ER = 0x0B9,
- PPC405CR_CPC0_FR = 0x0BA,
- PPC405CR_CPC0_SR = 0x0BB,
-};
-
-enum {
- PPC405CR_CPU_CLK = 0,
- PPC405CR_TMR_CLK = 1,
- PPC405CR_PLB_CLK = 2,
- PPC405CR_SDRAM_CLK = 3,
- PPC405CR_OPB_CLK = 4,
- PPC405CR_EXT_CLK = 5,
- PPC405CR_UART_CLK = 6,
- PPC405CR_CLK_NB = 7,
-};
-
-typedef struct ppc405cr_cpc_t ppc405cr_cpc_t;
-struct ppc405cr_cpc_t {
- clk_setup_t clk_setup[PPC405CR_CLK_NB];
- uint32_t sysclk;
- uint32_t psr;
- uint32_t cr0;
- uint32_t cr1;
- uint32_t jtagid;
- uint32_t pllmr;
- uint32_t er;
- uint32_t fr;
-};
-
-static void ppc405cr_clk_setup (ppc405cr_cpc_t *cpc)
-{
- uint64_t VCO_out, PLL_out;
- uint32_t CPU_clk, TMR_clk, SDRAM_clk, PLB_clk, OPB_clk, EXT_clk, UART_clk;
- int M, D0, D1, D2;
-
- D0 = ((cpc->pllmr >> 26) & 0x3) + 1; /* CBDV */
- if (cpc->pllmr & 0x80000000) {
- D1 = (((cpc->pllmr >> 20) - 1) & 0xF) + 1; /* FBDV */
- D2 = 8 - ((cpc->pllmr >> 16) & 0x7); /* FWDVA */
- M = D0 * D1 * D2;
- VCO_out = (uint64_t)cpc->sysclk * M;
- if (VCO_out < 400000000 || VCO_out > 800000000) {
- /* PLL cannot lock */
- cpc->pllmr &= ~0x80000000;
- goto bypass_pll;
- }
- PLL_out = VCO_out / D2;
- } else {
- /* Bypass PLL */
- bypass_pll:
- M = D0;
- PLL_out = (uint64_t)cpc->sysclk * M;
- }
- CPU_clk = PLL_out;
- if (cpc->cr1 & 0x00800000)
- TMR_clk = cpc->sysclk; /* Should have a separate clock */
- else
- TMR_clk = CPU_clk;
- PLB_clk = CPU_clk / D0;
- SDRAM_clk = PLB_clk;
- D0 = ((cpc->pllmr >> 10) & 0x3) + 1;
- OPB_clk = PLB_clk / D0;
- D0 = ((cpc->pllmr >> 24) & 0x3) + 2;
- EXT_clk = PLB_clk / D0;
- D0 = ((cpc->cr0 >> 1) & 0x1F) + 1;
- UART_clk = CPU_clk / D0;
- /* Setup CPU clocks */
- clk_setup(&cpc->clk_setup[PPC405CR_CPU_CLK], CPU_clk);
- /* Setup time-base clock */
- clk_setup(&cpc->clk_setup[PPC405CR_TMR_CLK], TMR_clk);
- /* Setup PLB clock */
- clk_setup(&cpc->clk_setup[PPC405CR_PLB_CLK], PLB_clk);
- /* Setup SDRAM clock */
- clk_setup(&cpc->clk_setup[PPC405CR_SDRAM_CLK], SDRAM_clk);
- /* Setup OPB clock */
- clk_setup(&cpc->clk_setup[PPC405CR_OPB_CLK], OPB_clk);
- /* Setup external clock */
- clk_setup(&cpc->clk_setup[PPC405CR_EXT_CLK], EXT_clk);
- /* Setup UART clock */
- clk_setup(&cpc->clk_setup[PPC405CR_UART_CLK], UART_clk);
-}
-
-static uint32_t dcr_read_crcpc (void *opaque, int dcrn)
-{
- ppc405cr_cpc_t *cpc;
- uint32_t ret;
-
- cpc = opaque;
- switch (dcrn) {
- case PPC405CR_CPC0_PLLMR:
- ret = cpc->pllmr;
- break;
- case PPC405CR_CPC0_CR0:
- ret = cpc->cr0;
- break;
- case PPC405CR_CPC0_CR1:
- ret = cpc->cr1;
- break;
- case PPC405CR_CPC0_PSR:
- ret = cpc->psr;
- break;
- case PPC405CR_CPC0_JTAGID:
- ret = cpc->jtagid;
- break;
- case PPC405CR_CPC0_ER:
- ret = cpc->er;
- break;
- case PPC405CR_CPC0_FR:
- ret = cpc->fr;
- break;
- case PPC405CR_CPC0_SR:
- ret = ~(cpc->er | cpc->fr) & 0xFFFF0000;
- break;
- default:
- /* Avoid gcc warning */
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_crcpc (void *opaque, int dcrn, uint32_t val)
-{
- ppc405cr_cpc_t *cpc;
-
- cpc = opaque;
- switch (dcrn) {
- case PPC405CR_CPC0_PLLMR:
- cpc->pllmr = val & 0xFFF77C3F;
- break;
- case PPC405CR_CPC0_CR0:
- cpc->cr0 = val & 0x0FFFFFFE;
- break;
- case PPC405CR_CPC0_CR1:
- cpc->cr1 = val & 0x00800000;
- break;
- case PPC405CR_CPC0_PSR:
- /* Read-only */
- break;
- case PPC405CR_CPC0_JTAGID:
- /* Read-only */
- break;
- case PPC405CR_CPC0_ER:
- cpc->er = val & 0xBFFC0000;
- break;
- case PPC405CR_CPC0_FR:
- cpc->fr = val & 0xBFFC0000;
- break;
- case PPC405CR_CPC0_SR:
- /* Read-only */
- break;
- }
-}
-
-static void ppc405cr_cpc_reset (void *opaque)
-{
- ppc405cr_cpc_t *cpc;
- int D;
-
- cpc = opaque;
- /* Compute PLLMR value from PSR settings */
- cpc->pllmr = 0x80000000;
- /* PFWD */
- switch ((cpc->psr >> 30) & 3) {
- case 0:
- /* Bypass */
- cpc->pllmr &= ~0x80000000;
- break;
- case 1:
- /* Divide by 3 */
- cpc->pllmr |= 5 << 16;
- break;
- case 2:
- /* Divide by 4 */
- cpc->pllmr |= 4 << 16;
- break;
- case 3:
- /* Divide by 6 */
- cpc->pllmr |= 2 << 16;
- break;
- }
- /* PFBD */
- D = (cpc->psr >> 28) & 3;
- cpc->pllmr |= (D + 1) << 20;
- /* PT */
- D = (cpc->psr >> 25) & 7;
- switch (D) {
- case 0x2:
- cpc->pllmr |= 0x13;
- break;
- case 0x4:
- cpc->pllmr |= 0x15;
- break;
- case 0x5:
- cpc->pllmr |= 0x16;
- break;
- default:
- break;
- }
- /* PDC */
- D = (cpc->psr >> 23) & 3;
- cpc->pllmr |= D << 26;
- /* ODP */
- D = (cpc->psr >> 21) & 3;
- cpc->pllmr |= D << 10;
- /* EBPD */
- D = (cpc->psr >> 17) & 3;
- cpc->pllmr |= D << 24;
- cpc->cr0 = 0x0000003C;
- cpc->cr1 = 0x2B0D8800;
- cpc->er = 0x00000000;
- cpc->fr = 0x00000000;
- ppc405cr_clk_setup(cpc);
-}
-
-static void ppc405cr_clk_init (ppc405cr_cpc_t *cpc)
-{
- int D;
-
- /* XXX: this should be read from IO pins */
- cpc->psr = 0x00000000; /* 8 bits ROM */
- /* PFWD */
- D = 0x2; /* Divide by 4 */
- cpc->psr |= D << 30;
- /* PFBD */
- D = 0x1; /* Divide by 2 */
- cpc->psr |= D << 28;
- /* PDC */
- D = 0x1; /* Divide by 2 */
- cpc->psr |= D << 23;
- /* PT */
- D = 0x5; /* M = 16 */
- cpc->psr |= D << 25;
- /* ODP */
- D = 0x1; /* Divide by 2 */
- cpc->psr |= D << 21;
- /* EBDP */
- D = 0x2; /* Divide by 4 */
- cpc->psr |= D << 17;
-}
-
-static void ppc405cr_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[7],
- uint32_t sysclk)
-{
- ppc405cr_cpc_t *cpc;
-
- cpc = g_malloc0(sizeof(ppc405cr_cpc_t));
- memcpy(cpc->clk_setup, clk_setup,
- PPC405CR_CLK_NB * sizeof(clk_setup_t));
- cpc->sysclk = sysclk;
- cpc->jtagid = 0x42051049;
- ppc_dcr_register(env, PPC405CR_CPC0_PSR, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_CR0, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_CR1, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_JTAGID, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_PLLMR, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_ER, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_FR, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc_dcr_register(env, PPC405CR_CPC0_SR, cpc,
- &dcr_read_crcpc, &dcr_write_crcpc);
- ppc405cr_clk_init(cpc);
- qemu_register_reset(ppc405cr_cpc_reset, cpc);
-}
-
-CPUPPCState *ppc405cr_init(MemoryRegion *address_space_mem,
- MemoryRegion ram_memories[4],
- hwaddr ram_bases[4],
- hwaddr ram_sizes[4],
- uint32_t sysclk, qemu_irq **picp,
- int do_init)
-{
- clk_setup_t clk_setup[PPC405CR_CLK_NB];
- qemu_irq dma_irqs[4];
- PowerPCCPU *cpu;
- CPUPPCState *env;
- qemu_irq *pic, *irqs;
-
- memset(clk_setup, 0, sizeof(clk_setup));
- cpu = ppc4xx_init(POWERPC_CPU_TYPE_NAME("405crc"),
- &clk_setup[PPC405CR_CPU_CLK],
- &clk_setup[PPC405CR_TMR_CLK], sysclk);
- env = &cpu->env;
- /* Memory mapped devices registers */
- /* PLB arbitrer */
- ppc4xx_plb_init(env);
- /* PLB to OPB bridge */
- ppc4xx_pob_init(env);
- /* OBP arbitrer */
- ppc4xx_opba_init(0xef600600);
- /* Universal interrupt controller */
- irqs = g_new0(qemu_irq, PPCUIC_OUTPUT_NB);
- irqs[PPCUIC_OUTPUT_INT] =
- ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
- irqs[PPCUIC_OUTPUT_CINT] =
- ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
- pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
- *picp = pic;
- /* SDRAM controller */
- ppc4xx_sdram_init(env, pic[14], 1, ram_memories,
- ram_bases, ram_sizes, do_init);
- /* External bus controller */
- ppc405_ebc_init(env);
- /* DMA controller */
- dma_irqs[0] = pic[26];
- dma_irqs[1] = pic[25];
- dma_irqs[2] = pic[24];
- dma_irqs[3] = pic[23];
- ppc405_dma_init(env, dma_irqs);
- /* Serial ports */
- if (serial_hd(0) != NULL) {
- serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
- PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
- DEVICE_BIG_ENDIAN);
- }
- if (serial_hd(1) != NULL) {
- serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
- PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
- DEVICE_BIG_ENDIAN);
- }
- /* IIC controller */
- sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
- /* GPIO */
- ppc405_gpio_init(0xef600700);
- /* CPU control */
- ppc405cr_cpc_init(env, clk_setup, sysclk);
-
- return env;
-}
-
-/*****************************************************************************/
/* PowerPC 405EP */
/* CPU control */
enum {
@@ -1791,14 +1449,15 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
MemoryRegion ram_memories[2],
hwaddr ram_bases[2],
hwaddr ram_sizes[2],
- uint32_t sysclk, qemu_irq **picp,
+ uint32_t sysclk, DeviceState **uicdevp,
int do_init)
{
clk_setup_t clk_setup[PPC405EP_CLK_NB], tlb_clk_setup;
qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4];
PowerPCCPU *cpu;
CPUPPCState *env;
- qemu_irq *pic, *irqs;
+ DeviceState *uicdev;
+ SysBusDevice *uicsbd;
memset(clk_setup, 0, sizeof(clk_setup));
/* init CPUs */
@@ -1819,59 +1478,69 @@ CPUPPCState *ppc405ep_init(MemoryRegion *address_space_mem,
/* Initialize timers */
ppc_booke_timers_init(cpu, sysclk, 0);
/* Universal interrupt controller */
- irqs = g_new0(qemu_irq, PPCUIC_OUTPUT_NB);
- irqs[PPCUIC_OUTPUT_INT] =
- ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
- irqs[PPCUIC_OUTPUT_CINT] =
- ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
- pic = ppcuic_init(env, irqs, 0x0C0, 0, 1);
- *picp = pic;
+ uicdev = qdev_new(TYPE_PPC_UIC);
+ uicsbd = SYS_BUS_DEVICE(uicdev);
+
+ object_property_set_link(OBJECT(uicdev), "cpu", OBJECT(cpu),
+ &error_fatal);
+ sysbus_realize_and_unref(uicsbd, &error_fatal);
+
+ sysbus_connect_irq(uicsbd, PPCUIC_OUTPUT_INT,
+ ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT]);
+ sysbus_connect_irq(uicsbd, PPCUIC_OUTPUT_CINT,
+ ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT]);
+
+ *uicdevp = uicdev;
+
/* SDRAM controller */
/* XXX 405EP has no ECC interrupt */
- ppc4xx_sdram_init(env, pic[17], 2, ram_memories,
+ ppc4xx_sdram_init(env, qdev_get_gpio_in(uicdev, 17), 2, ram_memories,
ram_bases, ram_sizes, do_init);
/* External bus controller */
ppc405_ebc_init(env);
/* DMA controller */
- dma_irqs[0] = pic[5];
- dma_irqs[1] = pic[6];
- dma_irqs[2] = pic[7];
- dma_irqs[3] = pic[8];
+ dma_irqs[0] = qdev_get_gpio_in(uicdev, 5);
+ dma_irqs[1] = qdev_get_gpio_in(uicdev, 6);
+ dma_irqs[2] = qdev_get_gpio_in(uicdev, 7);
+ dma_irqs[3] = qdev_get_gpio_in(uicdev, 8);
ppc405_dma_init(env, dma_irqs);
/* IIC controller */
- sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500, pic[2]);
+ sysbus_create_simple(TYPE_PPC4xx_I2C, 0xef600500,
+ qdev_get_gpio_in(uicdev, 2));
/* GPIO */
ppc405_gpio_init(0xef600700);
/* Serial ports */
if (serial_hd(0) != NULL) {
- serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
+ serial_mm_init(address_space_mem, 0xef600300, 0,
+ qdev_get_gpio_in(uicdev, 0),
PPC_SERIAL_MM_BAUDBASE, serial_hd(0),
DEVICE_BIG_ENDIAN);
}
if (serial_hd(1) != NULL) {
- serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
+ serial_mm_init(address_space_mem, 0xef600400, 0,
+ qdev_get_gpio_in(uicdev, 1),
PPC_SERIAL_MM_BAUDBASE, serial_hd(1),
DEVICE_BIG_ENDIAN);
}
/* OCM */
ppc405_ocm_init(env);
/* GPT */
- gpt_irqs[0] = pic[19];
- gpt_irqs[1] = pic[20];
- gpt_irqs[2] = pic[21];
- gpt_irqs[3] = pic[22];
- gpt_irqs[4] = pic[23];
+ gpt_irqs[0] = qdev_get_gpio_in(uicdev, 19);
+ gpt_irqs[1] = qdev_get_gpio_in(uicdev, 20);
+ gpt_irqs[2] = qdev_get_gpio_in(uicdev, 21);
+ gpt_irqs[3] = qdev_get_gpio_in(uicdev, 22);
+ gpt_irqs[4] = qdev_get_gpio_in(uicdev, 23);
ppc4xx_gpt_init(0xef600000, gpt_irqs);
/* PCI */
- /* Uses pic[3], pic[16], pic[18] */
+ /* Uses UIC IRQs 3, 16, 18 */
/* MAL */
- mal_irqs[0] = pic[11];
- mal_irqs[1] = pic[12];
- mal_irqs[2] = pic[13];
- mal_irqs[3] = pic[14];
+ mal_irqs[0] = qdev_get_gpio_in(uicdev, 11);
+ mal_irqs[1] = qdev_get_gpio_in(uicdev, 12);
+ mal_irqs[2] = qdev_get_gpio_in(uicdev, 13);
+ mal_irqs[3] = qdev_get_gpio_in(uicdev, 14);
ppc4xx_mal_init(env, 4, 2, mal_irqs);
/* Ethernet */
- /* Uses pic[9], pic[15], pic[17] */
+ /* Uses UIC IRQs 9, 15, 17 */
/* CPU control */
ppc405ep_cpc_init(env, clk_setup, sysclk);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-22 20:44:33 +0100