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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/ppc/ppc405_uc.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/ppc/ppc405_uc.c')
-rw-r--r--qemu/hw/ppc/ppc405_uc.c2555
1 files changed, 0 insertions, 2555 deletions
diff --git a/qemu/hw/ppc/ppc405_uc.c b/qemu/hw/ppc/ppc405_uc.c
deleted file mode 100644
index d6d3fc2c4..000000000
--- a/qemu/hw/ppc/ppc405_uc.c
+++ /dev/null
@@ -1,2555 +0,0 @@
-/*
- * QEMU PowerPC 405 embedded processors emulation
- *
- * Copyright (c) 2007 Jocelyn Mayer
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "cpu.h"
-#include "hw/hw.h"
-#include "hw/ppc/ppc.h"
-#include "hw/boards.h"
-#include "ppc405.h"
-#include "hw/char/serial.h"
-#include "qemu/timer.h"
-#include "sysemu/sysemu.h"
-#include "qemu/log.h"
-#include "exec/address-spaces.h"
-
-//#define DEBUG_OPBA
-//#define DEBUG_SDRAM
-//#define DEBUG_GPIO
-//#define DEBUG_SERIAL
-//#define DEBUG_OCM
-//#define DEBUG_I2C
-//#define DEBUG_GPT
-//#define DEBUG_MAL
-//#define DEBUG_CLOCKS
-//#define DEBUG_CLOCKS_LL
-
-ram_addr_t ppc405_set_bootinfo (CPUPPCState *env, ppc4xx_bd_info_t *bd,
- uint32_t flags)
-{
- CPUState *cs = CPU(ppc_env_get_cpu(env));
- ram_addr_t bdloc;
- int i, n;
-
- /* We put the bd structure at the top of memory */
- if (bd->bi_memsize >= 0x01000000UL)
- bdloc = 0x01000000UL - sizeof(struct ppc4xx_bd_info_t);
- else
- bdloc = bd->bi_memsize - sizeof(struct ppc4xx_bd_info_t);
- stl_be_phys(cs->as, bdloc + 0x00, bd->bi_memstart);
- stl_be_phys(cs->as, bdloc + 0x04, bd->bi_memsize);
- stl_be_phys(cs->as, bdloc + 0x08, bd->bi_flashstart);
- stl_be_phys(cs->as, bdloc + 0x0C, bd->bi_flashsize);
- stl_be_phys(cs->as, bdloc + 0x10, bd->bi_flashoffset);
- stl_be_phys(cs->as, bdloc + 0x14, bd->bi_sramstart);
- stl_be_phys(cs->as, bdloc + 0x18, bd->bi_sramsize);
- stl_be_phys(cs->as, bdloc + 0x1C, bd->bi_bootflags);
- stl_be_phys(cs->as, bdloc + 0x20, bd->bi_ipaddr);
- for (i = 0; i < 6; i++) {
- stb_phys(cs->as, bdloc + 0x24 + i, bd->bi_enetaddr[i]);
- }
- stw_be_phys(cs->as, bdloc + 0x2A, bd->bi_ethspeed);
- stl_be_phys(cs->as, bdloc + 0x2C, bd->bi_intfreq);
- stl_be_phys(cs->as, bdloc + 0x30, bd->bi_busfreq);
- stl_be_phys(cs->as, bdloc + 0x34, bd->bi_baudrate);
- for (i = 0; i < 4; i++) {
- stb_phys(cs->as, bdloc + 0x38 + i, bd->bi_s_version[i]);
- }
- 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);
- for (i = 0; i < 6; i++) {
- stb_phys(cs->as, bdloc + 0x64 + 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]);
- }
- stl_be_phys(cs->as, bdloc + n, bd->bi_opbfreq);
- n += 4;
- for (i = 0; i < 2; i++) {
- stl_be_phys(cs->as, bdloc + n, bd->bi_iic_fast[i]);
- n += 4;
- }
-
- return bdloc;
-}
-
-/*****************************************************************************/
-/* Shared peripherals */
-
-/*****************************************************************************/
-/* Peripheral local bus arbitrer */
-enum {
- PLB0_BESR = 0x084,
- PLB0_BEAR = 0x086,
- PLB0_ACR = 0x087,
-};
-
-typedef struct ppc4xx_plb_t ppc4xx_plb_t;
-struct ppc4xx_plb_t {
- uint32_t acr;
- uint32_t bear;
- uint32_t besr;
-};
-
-static uint32_t dcr_read_plb (void *opaque, int dcrn)
-{
- ppc4xx_plb_t *plb;
- uint32_t ret;
-
- plb = opaque;
- switch (dcrn) {
- case PLB0_ACR:
- ret = plb->acr;
- break;
- case PLB0_BEAR:
- ret = plb->bear;
- break;
- case PLB0_BESR:
- ret = plb->besr;
- break;
- default:
- /* Avoid gcc warning */
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_plb (void *opaque, int dcrn, uint32_t val)
-{
- ppc4xx_plb_t *plb;
-
- plb = opaque;
- switch (dcrn) {
- case PLB0_ACR:
- /* We don't care about the actual parameters written as
- * we don't manage any priorities on the bus
- */
- plb->acr = val & 0xF8000000;
- break;
- case PLB0_BEAR:
- /* Read only */
- break;
- case PLB0_BESR:
- /* Write-clear */
- plb->besr &= ~val;
- break;
- }
-}
-
-static void ppc4xx_plb_reset (void *opaque)
-{
- ppc4xx_plb_t *plb;
-
- plb = opaque;
- plb->acr = 0x00000000;
- plb->bear = 0x00000000;
- plb->besr = 0x00000000;
-}
-
-static void ppc4xx_plb_init(CPUPPCState *env)
-{
- ppc4xx_plb_t *plb;
-
- plb = g_malloc0(sizeof(ppc4xx_plb_t));
- ppc_dcr_register(env, PLB0_ACR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc_dcr_register(env, PLB0_BEAR, plb, &dcr_read_plb, &dcr_write_plb);
- ppc_dcr_register(env, PLB0_BESR, plb, &dcr_read_plb, &dcr_write_plb);
- qemu_register_reset(ppc4xx_plb_reset, plb);
-}
-
-/*****************************************************************************/
-/* PLB to OPB bridge */
-enum {
- POB0_BESR0 = 0x0A0,
- POB0_BESR1 = 0x0A2,
- POB0_BEAR = 0x0A4,
-};
-
-typedef struct ppc4xx_pob_t ppc4xx_pob_t;
-struct ppc4xx_pob_t {
- uint32_t bear;
- uint32_t besr0;
- uint32_t besr1;
-};
-
-static uint32_t dcr_read_pob (void *opaque, int dcrn)
-{
- ppc4xx_pob_t *pob;
- uint32_t ret;
-
- pob = opaque;
- switch (dcrn) {
- case POB0_BEAR:
- ret = pob->bear;
- break;
- case POB0_BESR0:
- ret = pob->besr0;
- break;
- case POB0_BESR1:
- ret = pob->besr1;
- break;
- default:
- /* Avoid gcc warning */
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_pob (void *opaque, int dcrn, uint32_t val)
-{
- ppc4xx_pob_t *pob;
-
- pob = opaque;
- switch (dcrn) {
- case POB0_BEAR:
- /* Read only */
- break;
- case POB0_BESR0:
- /* Write-clear */
- pob->besr0 &= ~val;
- break;
- case POB0_BESR1:
- /* Write-clear */
- pob->besr1 &= ~val;
- break;
- }
-}
-
-static void ppc4xx_pob_reset (void *opaque)
-{
- ppc4xx_pob_t *pob;
-
- pob = opaque;
- /* No error */
- pob->bear = 0x00000000;
- pob->besr0 = 0x0000000;
- pob->besr1 = 0x0000000;
-}
-
-static void ppc4xx_pob_init(CPUPPCState *env)
-{
- ppc4xx_pob_t *pob;
-
- pob = g_malloc0(sizeof(ppc4xx_pob_t));
- ppc_dcr_register(env, POB0_BEAR, pob, &dcr_read_pob, &dcr_write_pob);
- ppc_dcr_register(env, POB0_BESR0, pob, &dcr_read_pob, &dcr_write_pob);
- ppc_dcr_register(env, POB0_BESR1, pob, &dcr_read_pob, &dcr_write_pob);
- qemu_register_reset(ppc4xx_pob_reset, pob);
-}
-
-/*****************************************************************************/
-/* OPB arbitrer */
-typedef struct ppc4xx_opba_t ppc4xx_opba_t;
-struct ppc4xx_opba_t {
- MemoryRegion io;
- uint8_t cr;
- uint8_t pr;
-};
-
-static uint32_t opba_readb (void *opaque, hwaddr addr)
-{
- ppc4xx_opba_t *opba;
- 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;
- break;
- case 0x01:
- ret = opba->pr;
- break;
- default:
- ret = 0x00;
- break;
- }
-
- return ret;
-}
-
-static void opba_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ppc4xx_opba_t *opba;
-
-#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;
- break;
- case 0x01:
- opba->pr = value & 0xFF;
- break;
- default:
- break;
- }
-}
-
-static uint32_t opba_readw (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_OPBA
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = opba_readb(opaque, addr) << 8;
- ret |= opba_readb(opaque, addr + 1);
-
- return ret;
-}
-
-static void opba_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_OPBA
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- opba_writeb(opaque, addr, value >> 8);
- opba_writeb(opaque, addr + 1, value);
-}
-
-static uint32_t opba_readl (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_OPBA
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = opba_readb(opaque, addr) << 24;
- ret |= opba_readb(opaque, addr + 1) << 16;
-
- return ret;
-}
-
-static void opba_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_OPBA
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- opba_writeb(opaque, addr, value >> 24);
- opba_writeb(opaque, addr + 1, value >> 16);
-}
-
-static const MemoryRegionOps opba_ops = {
- .old_mmio = {
- .read = { opba_readb, opba_readw, opba_readl, },
- .write = { opba_writeb, opba_writew, opba_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc4xx_opba_reset (void *opaque)
-{
- ppc4xx_opba_t *opba;
-
- opba = opaque;
- opba->cr = 0x00; /* No dynamic priorities - park disabled */
- opba->pr = 0x11;
-}
-
-static void ppc4xx_opba_init(hwaddr base)
-{
- ppc4xx_opba_t *opba;
-
- 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);
-}
-
-/*****************************************************************************/
-/* Code decompression controller */
-/* XXX: TODO */
-
-/*****************************************************************************/
-/* 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)
-{
- ppc4xx_ebc_t *ebc;
- uint32_t ret;
-
- ebc = opaque;
- switch (dcrn) {
- case EBC0_CFGADDR:
- ret = ebc->addr;
- break;
- case EBC0_CFGDATA:
- switch (ebc->addr) {
- case 0x00: /* B0CR */
- ret = ebc->bcr[0];
- break;
- case 0x01: /* B1CR */
- ret = ebc->bcr[1];
- break;
- case 0x02: /* B2CR */
- ret = ebc->bcr[2];
- break;
- case 0x03: /* B3CR */
- ret = ebc->bcr[3];
- break;
- case 0x04: /* B4CR */
- ret = ebc->bcr[4];
- break;
- case 0x05: /* B5CR */
- ret = ebc->bcr[5];
- break;
- case 0x06: /* B6CR */
- ret = ebc->bcr[6];
- break;
- case 0x07: /* B7CR */
- ret = ebc->bcr[7];
- break;
- case 0x10: /* B0AP */
- ret = ebc->bap[0];
- break;
- case 0x11: /* B1AP */
- ret = ebc->bap[1];
- break;
- case 0x12: /* B2AP */
- ret = ebc->bap[2];
- break;
- case 0x13: /* B3AP */
- ret = ebc->bap[3];
- break;
- case 0x14: /* B4AP */
- ret = ebc->bap[4];
- break;
- case 0x15: /* B5AP */
- ret = ebc->bap[5];
- break;
- case 0x16: /* B6AP */
- ret = ebc->bap[6];
- break;
- case 0x17: /* B7AP */
- ret = ebc->bap[7];
- break;
- case 0x20: /* BEAR */
- ret = ebc->bear;
- break;
- case 0x21: /* BESR0 */
- ret = ebc->besr0;
- break;
- case 0x22: /* BESR1 */
- ret = ebc->besr1;
- break;
- case 0x23: /* CFG */
- ret = ebc->cfg;
- break;
- default:
- ret = 0x00000000;
- break;
- }
- break;
- default:
- ret = 0x00000000;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_ebc (void *opaque, int dcrn, uint32_t val)
-{
- ppc4xx_ebc_t *ebc;
-
- ebc = opaque;
- switch (dcrn) {
- case EBC0_CFGADDR:
- ebc->addr = val;
- break;
- case EBC0_CFGDATA:
- switch (ebc->addr) {
- case 0x00: /* B0CR */
- break;
- case 0x01: /* B1CR */
- break;
- case 0x02: /* B2CR */
- break;
- case 0x03: /* B3CR */
- break;
- case 0x04: /* B4CR */
- break;
- case 0x05: /* B5CR */
- break;
- case 0x06: /* B6CR */
- break;
- case 0x07: /* B7CR */
- break;
- case 0x10: /* B0AP */
- break;
- case 0x11: /* B1AP */
- break;
- case 0x12: /* B2AP */
- break;
- case 0x13: /* B3AP */
- break;
- case 0x14: /* B4AP */
- break;
- case 0x15: /* B5AP */
- break;
- case 0x16: /* B6AP */
- break;
- case 0x17: /* B7AP */
- break;
- case 0x20: /* BEAR */
- break;
- case 0x21: /* BESR0 */
- break;
- case 0x22: /* BESR1 */
- break;
- case 0x23: /* CFG */
- break;
- default:
- break;
- }
- break;
- default:
- break;
- }
-}
-
-static void ebc_reset (void *opaque)
-{
- ppc4xx_ebc_t *ebc;
- int i;
-
- ebc = opaque;
- ebc->addr = 0x00000000;
- ebc->bap[0] = 0x7F8FFE80;
- ebc->bcr[0] = 0xFFE28000;
- for (i = 0; i < 8; i++) {
- ebc->bap[i] = 0x00000000;
- ebc->bcr[i] = 0x00000000;
- }
- ebc->besr0 = 0x00000000;
- ebc->besr1 = 0x00000000;
- ebc->cfg = 0x80400000;
-}
-
-static void ppc405_ebc_init(CPUPPCState *env)
-{
- ppc4xx_ebc_t *ebc;
-
- ebc = g_malloc0(sizeof(ppc4xx_ebc_t));
- 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);
-}
-
-/*****************************************************************************/
-/* DMA controller */
-enum {
- DMA0_CR0 = 0x100,
- DMA0_CT0 = 0x101,
- DMA0_DA0 = 0x102,
- DMA0_SA0 = 0x103,
- DMA0_SG0 = 0x104,
- DMA0_CR1 = 0x108,
- DMA0_CT1 = 0x109,
- DMA0_DA1 = 0x10A,
- DMA0_SA1 = 0x10B,
- DMA0_SG1 = 0x10C,
- DMA0_CR2 = 0x110,
- DMA0_CT2 = 0x111,
- DMA0_DA2 = 0x112,
- DMA0_SA2 = 0x113,
- DMA0_SG2 = 0x114,
- DMA0_CR3 = 0x118,
- DMA0_CT3 = 0x119,
- DMA0_DA3 = 0x11A,
- DMA0_SA3 = 0x11B,
- DMA0_SG3 = 0x11C,
- DMA0_SR = 0x120,
- DMA0_SGC = 0x123,
- DMA0_SLP = 0x125,
- DMA0_POL = 0x126,
-};
-
-typedef struct ppc405_dma_t ppc405_dma_t;
-struct ppc405_dma_t {
- qemu_irq irqs[4];
- uint32_t cr[4];
- uint32_t ct[4];
- uint32_t da[4];
- uint32_t sa[4];
- uint32_t sg[4];
- uint32_t sr;
- uint32_t sgc;
- uint32_t slp;
- uint32_t pol;
-};
-
-static uint32_t dcr_read_dma (void *opaque, int dcrn)
-{
- return 0;
-}
-
-static void dcr_write_dma (void *opaque, int dcrn, uint32_t val)
-{
-}
-
-static void ppc405_dma_reset (void *opaque)
-{
- ppc405_dma_t *dma;
- int i;
-
- dma = opaque;
- for (i = 0; i < 4; i++) {
- dma->cr[i] = 0x00000000;
- dma->ct[i] = 0x00000000;
- dma->da[i] = 0x00000000;
- dma->sa[i] = 0x00000000;
- dma->sg[i] = 0x00000000;
- }
- dma->sr = 0x00000000;
- dma->sgc = 0x00000000;
- dma->slp = 0x7C000000;
- dma->pol = 0x00000000;
-}
-
-static void ppc405_dma_init(CPUPPCState *env, qemu_irq irqs[4])
-{
- ppc405_dma_t *dma;
-
- dma = g_malloc0(sizeof(ppc405_dma_t));
- memcpy(dma->irqs, irqs, 4 * sizeof(qemu_irq));
- qemu_register_reset(&ppc405_dma_reset, dma);
- ppc_dcr_register(env, DMA0_CR0,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CT0,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_DA0,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SA0,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SG0,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CR1,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CT1,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_DA1,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SA1,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SG1,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CR2,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CT2,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_DA2,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SA2,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SG2,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CR3,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_CT3,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_DA3,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SA3,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SG3,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SR,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SGC,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_SLP,
- dma, &dcr_read_dma, &dcr_write_dma);
- ppc_dcr_register(env, DMA0_POL,
- dma, &dcr_read_dma, &dcr_write_dma);
-}
-
-/*****************************************************************************/
-/* GPIO */
-typedef struct ppc405_gpio_t ppc405_gpio_t;
-struct ppc405_gpio_t {
- MemoryRegion io;
- uint32_t or;
- uint32_t tcr;
- uint32_t osrh;
- uint32_t osrl;
- uint32_t tsrh;
- uint32_t tsrl;
- uint32_t odr;
- uint32_t ir;
- uint32_t rr1;
- uint32_t isr1h;
- uint32_t isr1l;
-};
-
-static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
-
- return 0;
-}
-
-static void ppc405_gpio_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
-}
-
-static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
-
- return 0;
-}
-
-static void ppc405_gpio_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
-}
-
-static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
-
- return 0;
-}
-
-static void ppc405_gpio_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_GPIO
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
-}
-
-static const MemoryRegionOps ppc405_gpio_ops = {
- .old_mmio = {
- .read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
- .write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc405_gpio_reset (void *opaque)
-{
-}
-
-static void ppc405_gpio_init(hwaddr base)
-{
- ppc405_gpio_t *gpio;
-
- 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);
-}
-
-/*****************************************************************************/
-/* On Chip Memory */
-enum {
- OCM0_ISARC = 0x018,
- OCM0_ISACNTL = 0x019,
- OCM0_DSARC = 0x01A,
- OCM0_DSACNTL = 0x01B,
-};
-
-typedef struct ppc405_ocm_t ppc405_ocm_t;
-struct ppc405_ocm_t {
- MemoryRegion ram;
- MemoryRegion isarc_ram;
- MemoryRegion dsarc_ram;
- uint32_t isarc;
- uint32_t isacntl;
- uint32_t dsarc;
- uint32_t dsacntl;
-};
-
-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
- 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);
- 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
- memory_region_add_subregion(get_system_memory(), isarc,
- &ocm->isarc_ram);
- }
- }
- if (ocm->dsarc != dsarc ||
- (ocm->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
- if (ocm->dsacntl & 0x80000000) {
- /* 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
- memory_region_del_subregion(get_system_memory(),
- &ocm->dsarc_ram);
- }
- }
- if (dsacntl & 0x80000000) {
- /* 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
- memory_region_add_subregion(get_system_memory(), dsarc,
- &ocm->dsarc_ram);
- }
- }
- }
-}
-
-static uint32_t dcr_read_ocm (void *opaque, int dcrn)
-{
- ppc405_ocm_t *ocm;
- uint32_t ret;
-
- ocm = opaque;
- switch (dcrn) {
- case OCM0_ISARC:
- ret = ocm->isarc;
- break;
- case OCM0_ISACNTL:
- ret = ocm->isacntl;
- break;
- case OCM0_DSARC:
- ret = ocm->dsarc;
- break;
- case OCM0_DSACNTL:
- ret = ocm->dsacntl;
- break;
- default:
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val)
-{
- ppc405_ocm_t *ocm;
- uint32_t isarc, dsarc, isacntl, dsacntl;
-
- ocm = opaque;
- isarc = ocm->isarc;
- dsarc = ocm->dsarc;
- isacntl = ocm->isacntl;
- dsacntl = ocm->dsacntl;
- switch (dcrn) {
- case OCM0_ISARC:
- isarc = val & 0xFC000000;
- break;
- case OCM0_ISACNTL:
- isacntl = val & 0xC0000000;
- break;
- case OCM0_DSARC:
- isarc = val & 0xFC000000;
- break;
- case OCM0_DSACNTL:
- isacntl = val & 0xC0000000;
- break;
- }
- ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
- ocm->isarc = isarc;
- ocm->dsarc = dsarc;
- ocm->isacntl = isacntl;
- ocm->dsacntl = dsacntl;
-}
-
-static void ocm_reset (void *opaque)
-{
- ppc405_ocm_t *ocm;
- uint32_t isarc, dsarc, isacntl, dsacntl;
-
- ocm = opaque;
- isarc = 0x00000000;
- isacntl = 0x00000000;
- dsarc = 0x00000000;
- dsacntl = 0x00000000;
- ocm_update_mappings(ocm, isarc, isacntl, dsarc, dsacntl);
- ocm->isarc = isarc;
- ocm->dsarc = dsarc;
- ocm->isacntl = isacntl;
- ocm->dsacntl = dsacntl;
-}
-
-static void ppc405_ocm_init(CPUPPCState *env)
-{
- ppc405_ocm_t *ocm;
-
- ocm = g_malloc0(sizeof(ppc405_ocm_t));
- /* XXX: Size is 4096 or 0x04000000 */
- memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4096,
- &error_fatal);
- vmstate_register_ram_global(&ocm->isarc_ram);
- memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", &ocm->isarc_ram,
- 0, 4096);
- qemu_register_reset(&ocm_reset, ocm);
- ppc_dcr_register(env, OCM0_ISARC,
- ocm, &dcr_read_ocm, &dcr_write_ocm);
- ppc_dcr_register(env, OCM0_ISACNTL,
- ocm, &dcr_read_ocm, &dcr_write_ocm);
- ppc_dcr_register(env, OCM0_DSARC,
- ocm, &dcr_read_ocm, &dcr_write_ocm);
- ppc_dcr_register(env, OCM0_DSACNTL,
- ocm, &dcr_read_ocm, &dcr_write_ocm);
-}
-
-/*****************************************************************************/
-/* I2C controller */
-typedef struct ppc4xx_i2c_t ppc4xx_i2c_t;
-struct ppc4xx_i2c_t {
- qemu_irq irq;
- MemoryRegion iomem;
- uint8_t mdata;
- uint8_t lmadr;
- uint8_t hmadr;
- uint8_t cntl;
- uint8_t mdcntl;
- uint8_t sts;
- uint8_t extsts;
- uint8_t sdata;
- uint8_t lsadr;
- uint8_t hsadr;
- uint8_t clkdiv;
- uint8_t intrmsk;
- uint8_t xfrcnt;
- uint8_t xtcntlss;
- uint8_t directcntl;
-};
-
-static uint32_t ppc4xx_i2c_readb (void *opaque, hwaddr addr)
-{
- ppc4xx_i2c_t *i2c;
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- i2c = opaque;
- switch (addr) {
- case 0x00:
- // i2c_readbyte(&i2c->mdata);
- ret = i2c->mdata;
- break;
- case 0x02:
- ret = i2c->sdata;
- break;
- case 0x04:
- ret = i2c->lmadr;
- break;
- case 0x05:
- ret = i2c->hmadr;
- break;
- case 0x06:
- ret = i2c->cntl;
- break;
- case 0x07:
- ret = i2c->mdcntl;
- break;
- case 0x08:
- ret = i2c->sts;
- break;
- case 0x09:
- ret = i2c->extsts;
- break;
- case 0x0A:
- ret = i2c->lsadr;
- break;
- case 0x0B:
- ret = i2c->hsadr;
- break;
- case 0x0C:
- ret = i2c->clkdiv;
- break;
- case 0x0D:
- ret = i2c->intrmsk;
- break;
- case 0x0E:
- ret = i2c->xfrcnt;
- break;
- case 0x0F:
- ret = i2c->xtcntlss;
- break;
- case 0x10:
- ret = i2c->directcntl;
- break;
- default:
- ret = 0x00;
- break;
- }
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " %02" PRIx32 "\n", __func__, addr, ret);
-#endif
-
- return ret;
-}
-
-static void ppc4xx_i2c_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ppc4xx_i2c_t *i2c;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- i2c = opaque;
- switch (addr) {
- case 0x00:
- i2c->mdata = value;
- // i2c_sendbyte(&i2c->mdata);
- break;
- case 0x02:
- i2c->sdata = value;
- break;
- case 0x04:
- i2c->lmadr = value;
- break;
- case 0x05:
- i2c->hmadr = value;
- break;
- case 0x06:
- i2c->cntl = value;
- break;
- case 0x07:
- i2c->mdcntl = value & 0xDF;
- break;
- case 0x08:
- i2c->sts &= ~(value & 0x0A);
- break;
- case 0x09:
- i2c->extsts &= ~(value & 0x8F);
- break;
- case 0x0A:
- i2c->lsadr = value;
- break;
- case 0x0B:
- i2c->hsadr = value;
- break;
- case 0x0C:
- i2c->clkdiv = value;
- break;
- case 0x0D:
- i2c->intrmsk = value;
- break;
- case 0x0E:
- i2c->xfrcnt = value & 0x77;
- break;
- case 0x0F:
- i2c->xtcntlss = value;
- break;
- case 0x10:
- i2c->directcntl = value & 0x7;
- break;
- }
-}
-
-static uint32_t ppc4xx_i2c_readw (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = ppc4xx_i2c_readb(opaque, addr) << 8;
- ret |= ppc4xx_i2c_readb(opaque, addr + 1);
-
- return ret;
-}
-
-static void ppc4xx_i2c_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- ppc4xx_i2c_writeb(opaque, addr, value >> 8);
- ppc4xx_i2c_writeb(opaque, addr + 1, value);
-}
-
-static uint32_t ppc4xx_i2c_readl (void *opaque, hwaddr addr)
-{
- uint32_t ret;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- ret = ppc4xx_i2c_readb(opaque, addr) << 24;
- ret |= ppc4xx_i2c_readb(opaque, addr + 1) << 16;
- ret |= ppc4xx_i2c_readb(opaque, addr + 2) << 8;
- ret |= ppc4xx_i2c_readb(opaque, addr + 3);
-
- return ret;
-}
-
-static void ppc4xx_i2c_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- ppc4xx_i2c_writeb(opaque, addr, value >> 24);
- ppc4xx_i2c_writeb(opaque, addr + 1, value >> 16);
- ppc4xx_i2c_writeb(opaque, addr + 2, value >> 8);
- ppc4xx_i2c_writeb(opaque, addr + 3, value);
-}
-
-static const MemoryRegionOps i2c_ops = {
- .old_mmio = {
- .read = { ppc4xx_i2c_readb, ppc4xx_i2c_readw, ppc4xx_i2c_readl, },
- .write = { ppc4xx_i2c_writeb, ppc4xx_i2c_writew, ppc4xx_i2c_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc4xx_i2c_reset (void *opaque)
-{
- ppc4xx_i2c_t *i2c;
-
- i2c = opaque;
- i2c->mdata = 0x00;
- i2c->sdata = 0x00;
- i2c->cntl = 0x00;
- i2c->mdcntl = 0x00;
- i2c->sts = 0x00;
- i2c->extsts = 0x00;
- i2c->clkdiv = 0x00;
- i2c->xfrcnt = 0x00;
- i2c->directcntl = 0x0F;
-}
-
-static void ppc405_i2c_init(hwaddr base, qemu_irq irq)
-{
- ppc4xx_i2c_t *i2c;
-
- i2c = g_malloc0(sizeof(ppc4xx_i2c_t));
- i2c->irq = irq;
-#ifdef DEBUG_I2C
- printf("%s: offset " TARGET_FMT_plx "\n", __func__, base);
-#endif
- memory_region_init_io(&i2c->iomem, NULL, &i2c_ops, i2c, "i2c", 0x011);
- memory_region_add_subregion(get_system_memory(), base, &i2c->iomem);
- qemu_register_reset(ppc4xx_i2c_reset, i2c);
-}
-
-/*****************************************************************************/
-/* General purpose timers */
-typedef struct ppc4xx_gpt_t ppc4xx_gpt_t;
-struct ppc4xx_gpt_t {
- MemoryRegion iomem;
- int64_t tb_offset;
- uint32_t tb_freq;
- QEMUTimer *timer;
- qemu_irq irqs[5];
- uint32_t oe;
- uint32_t ol;
- uint32_t im;
- uint32_t is;
- uint32_t ie;
- uint32_t comp[5];
- uint32_t mask[5];
-};
-
-static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
-{
-#ifdef DEBUG_GPT
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- /* XXX: generate a bus fault */
- return -1;
-}
-
-static void ppc4xx_gpt_writeb (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- /* XXX: generate a bus fault */
-}
-
-static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
-{
-#ifdef DEBUG_GPT
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- /* XXX: generate a bus fault */
- return -1;
-}
-
-static void ppc4xx_gpt_writew (void *opaque,
- hwaddr addr, uint32_t value)
-{
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- /* XXX: generate a bus fault */
-}
-
-static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
-{
- /* XXX: TODO */
- return 0;
-}
-
-static void ppc4xx_gpt_set_output (ppc4xx_gpt_t *gpt, int n, int level)
-{
- /* XXX: TODO */
-}
-
-static void ppc4xx_gpt_set_outputs (ppc4xx_gpt_t *gpt)
-{
- uint32_t mask;
- int i;
-
- mask = 0x80000000;
- for (i = 0; i < 5; i++) {
- if (gpt->oe & mask) {
- /* Output is enabled */
- if (ppc4xx_gpt_compare(gpt, i)) {
- /* Comparison is OK */
- ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask);
- } else {
- /* Comparison is KO */
- ppc4xx_gpt_set_output(gpt, i, gpt->ol & mask ? 0 : 1);
- }
- }
- mask = mask >> 1;
- }
-}
-
-static void ppc4xx_gpt_set_irqs (ppc4xx_gpt_t *gpt)
-{
- uint32_t mask;
- int i;
-
- mask = 0x00008000;
- for (i = 0; i < 5; i++) {
- if (gpt->is & gpt->im & mask)
- qemu_irq_raise(gpt->irqs[i]);
- else
- qemu_irq_lower(gpt->irqs[i]);
- mask = mask >> 1;
- }
-}
-
-static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
-{
- /* XXX: TODO */
-}
-
-static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
-{
- ppc4xx_gpt_t *gpt;
- uint32_t ret;
- int idx;
-
-#ifdef DEBUG_GPT
- printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
-#endif
- gpt = opaque;
- switch (addr) {
- case 0x00:
- /* Time base counter */
- ret = muldiv64(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + gpt->tb_offset,
- gpt->tb_freq, NANOSECONDS_PER_SECOND);
- break;
- case 0x10:
- /* Output enable */
- ret = gpt->oe;
- break;
- case 0x14:
- /* Output level */
- ret = gpt->ol;
- break;
- case 0x18:
- /* Interrupt mask */
- ret = gpt->im;
- break;
- case 0x1C:
- case 0x20:
- /* Interrupt status */
- ret = gpt->is;
- break;
- case 0x24:
- /* Interrupt enable */
- ret = gpt->ie;
- break;
- case 0x80 ... 0x90:
- /* Compare timer */
- idx = (addr - 0x80) >> 2;
- ret = gpt->comp[idx];
- break;
- case 0xC0 ... 0xD0:
- /* Compare mask */
- idx = (addr - 0xC0) >> 2;
- ret = gpt->mask[idx];
- break;
- default:
- ret = -1;
- break;
- }
-
- return ret;
-}
-
-static void ppc4xx_gpt_writel (void *opaque,
- hwaddr addr, uint32_t value)
-{
- ppc4xx_gpt_t *gpt;
- int idx;
-
-#ifdef DEBUG_I2C
- printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
- value);
-#endif
- gpt = opaque;
- switch (addr) {
- case 0x00:
- /* Time base counter */
- gpt->tb_offset = muldiv64(value, NANOSECONDS_PER_SECOND, gpt->tb_freq)
- - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
- ppc4xx_gpt_compute_timer(gpt);
- break;
- case 0x10:
- /* Output enable */
- gpt->oe = value & 0xF8000000;
- ppc4xx_gpt_set_outputs(gpt);
- break;
- case 0x14:
- /* Output level */
- gpt->ol = value & 0xF8000000;
- ppc4xx_gpt_set_outputs(gpt);
- break;
- case 0x18:
- /* Interrupt mask */
- gpt->im = value & 0x0000F800;
- break;
- case 0x1C:
- /* Interrupt status set */
- gpt->is |= value & 0x0000F800;
- ppc4xx_gpt_set_irqs(gpt);
- break;
- case 0x20:
- /* Interrupt status clear */
- gpt->is &= ~(value & 0x0000F800);
- ppc4xx_gpt_set_irqs(gpt);
- break;
- case 0x24:
- /* Interrupt enable */
- gpt->ie = value & 0x0000F800;
- ppc4xx_gpt_set_irqs(gpt);
- break;
- case 0x80 ... 0x90:
- /* Compare timer */
- idx = (addr - 0x80) >> 2;
- gpt->comp[idx] = value & 0xF8000000;
- ppc4xx_gpt_compute_timer(gpt);
- break;
- case 0xC0 ... 0xD0:
- /* Compare mask */
- idx = (addr - 0xC0) >> 2;
- gpt->mask[idx] = value & 0xF8000000;
- ppc4xx_gpt_compute_timer(gpt);
- break;
- }
-}
-
-static const MemoryRegionOps gpt_ops = {
- .old_mmio = {
- .read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
- .write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void ppc4xx_gpt_cb (void *opaque)
-{
- ppc4xx_gpt_t *gpt;
-
- gpt = opaque;
- ppc4xx_gpt_set_irqs(gpt);
- ppc4xx_gpt_set_outputs(gpt);
- ppc4xx_gpt_compute_timer(gpt);
-}
-
-static void ppc4xx_gpt_reset (void *opaque)
-{
- ppc4xx_gpt_t *gpt;
- int i;
-
- gpt = opaque;
- timer_del(gpt->timer);
- gpt->oe = 0x00000000;
- gpt->ol = 0x00000000;
- gpt->im = 0x00000000;
- gpt->is = 0x00000000;
- gpt->ie = 0x00000000;
- for (i = 0; i < 5; i++) {
- gpt->comp[i] = 0x00000000;
- gpt->mask[i] = 0x00000000;
- }
-}
-
-static void ppc4xx_gpt_init(hwaddr base, qemu_irq irqs[5])
-{
- ppc4xx_gpt_t *gpt;
- int i;
-
- 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);
-}
-
-/*****************************************************************************/
-/* MAL */
-enum {
- MAL0_CFG = 0x180,
- MAL0_ESR = 0x181,
- MAL0_IER = 0x182,
- MAL0_TXCASR = 0x184,
- MAL0_TXCARR = 0x185,
- MAL0_TXEOBISR = 0x186,
- MAL0_TXDEIR = 0x187,
- MAL0_RXCASR = 0x190,
- MAL0_RXCARR = 0x191,
- MAL0_RXEOBISR = 0x192,
- MAL0_RXDEIR = 0x193,
- MAL0_TXCTP0R = 0x1A0,
- MAL0_TXCTP1R = 0x1A1,
- MAL0_TXCTP2R = 0x1A2,
- MAL0_TXCTP3R = 0x1A3,
- MAL0_RXCTP0R = 0x1C0,
- MAL0_RXCTP1R = 0x1C1,
- MAL0_RCBS0 = 0x1E0,
- MAL0_RCBS1 = 0x1E1,
-};
-
-typedef struct ppc40x_mal_t ppc40x_mal_t;
-struct ppc40x_mal_t {
- qemu_irq irqs[4];
- uint32_t cfg;
- uint32_t esr;
- uint32_t ier;
- uint32_t txcasr;
- uint32_t txcarr;
- uint32_t txeobisr;
- uint32_t txdeir;
- uint32_t rxcasr;
- uint32_t rxcarr;
- uint32_t rxeobisr;
- uint32_t rxdeir;
- uint32_t txctpr[4];
- uint32_t rxctpr[2];
- uint32_t rcbs[2];
-};
-
-static void ppc40x_mal_reset (void *opaque);
-
-static uint32_t dcr_read_mal (void *opaque, int dcrn)
-{
- ppc40x_mal_t *mal;
- uint32_t ret;
-
- mal = opaque;
- switch (dcrn) {
- case MAL0_CFG:
- ret = mal->cfg;
- break;
- case MAL0_ESR:
- ret = mal->esr;
- break;
- case MAL0_IER:
- ret = mal->ier;
- break;
- case MAL0_TXCASR:
- ret = mal->txcasr;
- break;
- case MAL0_TXCARR:
- ret = mal->txcarr;
- break;
- case MAL0_TXEOBISR:
- ret = mal->txeobisr;
- break;
- case MAL0_TXDEIR:
- ret = mal->txdeir;
- break;
- case MAL0_RXCASR:
- ret = mal->rxcasr;
- break;
- case MAL0_RXCARR:
- ret = mal->rxcarr;
- break;
- case MAL0_RXEOBISR:
- ret = mal->rxeobisr;
- break;
- case MAL0_RXDEIR:
- ret = mal->rxdeir;
- break;
- case MAL0_TXCTP0R:
- ret = mal->txctpr[0];
- break;
- case MAL0_TXCTP1R:
- ret = mal->txctpr[1];
- break;
- case MAL0_TXCTP2R:
- ret = mal->txctpr[2];
- break;
- case MAL0_TXCTP3R:
- ret = mal->txctpr[3];
- break;
- case MAL0_RXCTP0R:
- ret = mal->rxctpr[0];
- break;
- case MAL0_RXCTP1R:
- ret = mal->rxctpr[1];
- break;
- case MAL0_RCBS0:
- ret = mal->rcbs[0];
- break;
- case MAL0_RCBS1:
- ret = mal->rcbs[1];
- break;
- default:
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_mal (void *opaque, int dcrn, uint32_t val)
-{
- ppc40x_mal_t *mal;
- int idx;
-
- mal = opaque;
- switch (dcrn) {
- case MAL0_CFG:
- if (val & 0x80000000)
- ppc40x_mal_reset(mal);
- mal->cfg = val & 0x00FFC087;
- break;
- case MAL0_ESR:
- /* Read/clear */
- mal->esr &= ~val;
- break;
- case MAL0_IER:
- mal->ier = val & 0x0000001F;
- break;
- case MAL0_TXCASR:
- mal->txcasr = val & 0xF0000000;
- break;
- case MAL0_TXCARR:
- mal->txcarr = val & 0xF0000000;
- break;
- case MAL0_TXEOBISR:
- /* Read/clear */
- mal->txeobisr &= ~val;
- break;
- case MAL0_TXDEIR:
- /* Read/clear */
- mal->txdeir &= ~val;
- break;
- case MAL0_RXCASR:
- mal->rxcasr = val & 0xC0000000;
- break;
- case MAL0_RXCARR:
- mal->rxcarr = val & 0xC0000000;
- break;
- case MAL0_RXEOBISR:
- /* Read/clear */
- mal->rxeobisr &= ~val;
- break;
- case MAL0_RXDEIR:
- /* Read/clear */
- mal->rxdeir &= ~val;
- break;
- case MAL0_TXCTP0R:
- idx = 0;
- goto update_tx_ptr;
- case MAL0_TXCTP1R:
- idx = 1;
- goto update_tx_ptr;
- case MAL0_TXCTP2R:
- idx = 2;
- goto update_tx_ptr;
- case MAL0_TXCTP3R:
- idx = 3;
- update_tx_ptr:
- mal->txctpr[idx] = val;
- break;
- case MAL0_RXCTP0R:
- idx = 0;
- goto update_rx_ptr;
- case MAL0_RXCTP1R:
- idx = 1;
- update_rx_ptr:
- mal->rxctpr[idx] = val;
- break;
- case MAL0_RCBS0:
- idx = 0;
- goto update_rx_size;
- case MAL0_RCBS1:
- idx = 1;
- update_rx_size:
- mal->rcbs[idx] = val & 0x000000FF;
- break;
- }
-}
-
-static void ppc40x_mal_reset (void *opaque)
-{
- ppc40x_mal_t *mal;
-
- mal = opaque;
- mal->cfg = 0x0007C000;
- mal->esr = 0x00000000;
- mal->ier = 0x00000000;
- mal->rxcasr = 0x00000000;
- mal->rxdeir = 0x00000000;
- mal->rxeobisr = 0x00000000;
- mal->txcasr = 0x00000000;
- mal->txdeir = 0x00000000;
- mal->txeobisr = 0x00000000;
-}
-
-static void ppc405_mal_init(CPUPPCState *env, qemu_irq irqs[4])
-{
- ppc40x_mal_t *mal;
- int i;
-
- mal = g_malloc0(sizeof(ppc40x_mal_t));
- for (i = 0; i < 4; i++)
- mal->irqs[i] = irqs[i];
- qemu_register_reset(&ppc40x_mal_reset, mal);
- ppc_dcr_register(env, MAL0_CFG,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_ESR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_IER,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCASR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCARR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXEOBISR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXDEIR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCASR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCARR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXEOBISR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXDEIR,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP0R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP1R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP2R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_TXCTP3R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCTP0R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RXCTP1R,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RCBS0,
- mal, &dcr_read_mal, &dcr_write_mal);
- ppc_dcr_register(env, MAL0_RCBS1,
- mal, &dcr_read_mal, &dcr_write_mal);
-}
-
-/*****************************************************************************/
-/* SPR */
-void ppc40x_core_reset(PowerPCCPU *cpu)
-{
- CPUPPCState *env = &cpu->env;
- target_ulong dbsr;
-
- printf("Reset PowerPC core\n");
- cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
- dbsr = env->spr[SPR_40x_DBSR];
- dbsr &= ~0x00000300;
- dbsr |= 0x00000100;
- env->spr[SPR_40x_DBSR] = dbsr;
-}
-
-void ppc40x_chip_reset(PowerPCCPU *cpu)
-{
- CPUPPCState *env = &cpu->env;
- target_ulong dbsr;
-
- printf("Reset PowerPC chip\n");
- cpu_interrupt(CPU(cpu), CPU_INTERRUPT_RESET);
- /* XXX: TODO reset all internal peripherals */
- dbsr = env->spr[SPR_40x_DBSR];
- dbsr &= ~0x00000300;
- dbsr |= 0x00000200;
- env->spr[SPR_40x_DBSR] = dbsr;
-}
-
-void ppc40x_system_reset(PowerPCCPU *cpu)
-{
- printf("Reset PowerPC system\n");
- qemu_system_reset_request();
-}
-
-void store_40x_dbcr0 (CPUPPCState *env, uint32_t val)
-{
- PowerPCCPU *cpu = ppc_env_get_cpu(env);
-
- switch ((val >> 28) & 0x3) {
- case 0x0:
- /* No action */
- break;
- case 0x1:
- /* Core reset */
- ppc40x_core_reset(cpu);
- break;
- case 0x2:
- /* Chip reset */
- ppc40x_chip_reset(cpu);
- break;
- case 0x3:
- /* System reset */
- ppc40x_system_reset(cpu);
- break;
- }
-}
-
-/*****************************************************************************/
-/* 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 = 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 = 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("405cr", &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_malloc0(sizeof(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_hds[0] != NULL) {
- serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
- PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
- DEVICE_BIG_ENDIAN);
- }
- if (serial_hds[1] != NULL) {
- serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
- PPC_SERIAL_MM_BAUDBASE, serial_hds[1],
- DEVICE_BIG_ENDIAN);
- }
- /* IIC controller */
- ppc405_i2c_init(0xef600500, pic[2]);
- /* GPIO */
- ppc405_gpio_init(0xef600700);
- /* CPU control */
- ppc405cr_cpc_init(env, clk_setup, sysclk);
-
- return env;
-}
-
-/*****************************************************************************/
-/* PowerPC 405EP */
-/* CPU control */
-enum {
- PPC405EP_CPC0_PLLMR0 = 0x0F0,
- PPC405EP_CPC0_BOOT = 0x0F1,
- PPC405EP_CPC0_EPCTL = 0x0F3,
- PPC405EP_CPC0_PLLMR1 = 0x0F4,
- PPC405EP_CPC0_UCR = 0x0F5,
- PPC405EP_CPC0_SRR = 0x0F6,
- PPC405EP_CPC0_JTAGID = 0x0F7,
- PPC405EP_CPC0_PCI = 0x0F9,
-#if 0
- PPC405EP_CPC0_ER = xxx,
- PPC405EP_CPC0_FR = xxx,
- PPC405EP_CPC0_SR = xxx,
-#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)
-{
- uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk;
- uint32_t UART0_clk, UART1_clk;
- uint64_t VCO_out, PLL_out;
- int M, D;
-
- 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
- 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
- VCO_out = cpc->sysclk * M * D;
- if (VCO_out < 500000000UL || VCO_out > 1000000000UL) {
- /* Error - unlock the PLL */
- printf("VCO out of range %" PRIu64 "\n", VCO_out);
-#if 0
- cpc->pllmr[1] &= ~0x80000000;
- goto pll_bypass;
-#endif
- }
- PLL_out = VCO_out / D;
- /* Pretend the PLL is locked */
- cpc->boot |= 0x00000001;
- } else {
-#if 0
- pll_bypass:
-#endif
- PLL_out = cpc->sysclk;
- if (cpc->pllmr[1] & 0x40000000) {
- /* Pretend the PLL is not locked */
- cpc->boot &= ~0x00000001;
- }
- }
- /* 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- /* Setup CPU clocks */
- clk_setup(&cpc->clk_setup[PPC405EP_CPU_CLK], CPU_clk);
- /* Setup PLB clock */
- clk_setup(&cpc->clk_setup[PPC405EP_PLB_CLK], PLB_clk);
- /* Setup OPB clock */
- clk_setup(&cpc->clk_setup[PPC405EP_OPB_CLK], OPB_clk);
- /* Setup external clock */
- clk_setup(&cpc->clk_setup[PPC405EP_EBC_CLK], EBC_clk);
- /* Setup MAL clock */
- clk_setup(&cpc->clk_setup[PPC405EP_MAL_CLK], MAL_clk);
- /* Setup PCI clock */
- clk_setup(&cpc->clk_setup[PPC405EP_PCI_CLK], PCI_clk);
- /* Setup UART0 clock */
- clk_setup(&cpc->clk_setup[PPC405EP_UART0_CLK], UART0_clk);
- /* Setup UART1 clock */
- clk_setup(&cpc->clk_setup[PPC405EP_UART1_CLK], UART1_clk);
-}
-
-static uint32_t dcr_read_epcpc (void *opaque, int dcrn)
-{
- ppc405ep_cpc_t *cpc;
- uint32_t ret;
-
- cpc = opaque;
- switch (dcrn) {
- case PPC405EP_CPC0_BOOT:
- ret = cpc->boot;
- break;
- case PPC405EP_CPC0_EPCTL:
- ret = cpc->epctl;
- break;
- case PPC405EP_CPC0_PLLMR0:
- ret = cpc->pllmr[0];
- break;
- case PPC405EP_CPC0_PLLMR1:
- ret = cpc->pllmr[1];
- break;
- case PPC405EP_CPC0_UCR:
- ret = cpc->ucr;
- break;
- case PPC405EP_CPC0_SRR:
- ret = cpc->srr;
- break;
- case PPC405EP_CPC0_JTAGID:
- ret = cpc->jtagid;
- break;
- case PPC405EP_CPC0_PCI:
- ret = cpc->pci;
- break;
- default:
- /* Avoid gcc warning */
- ret = 0;
- break;
- }
-
- return ret;
-}
-
-static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val)
-{
- ppc405ep_cpc_t *cpc;
-
- cpc = opaque;
- switch (dcrn) {
- case PPC405EP_CPC0_BOOT:
- /* Read-only register */
- break;
- case PPC405EP_CPC0_EPCTL:
- /* Don't care for now */
- cpc->epctl = val & 0xC00000F3;
- break;
- case PPC405EP_CPC0_PLLMR0:
- cpc->pllmr[0] = val & 0x00633333;
- ppc405ep_compute_clocks(cpc);
- break;
- case PPC405EP_CPC0_PLLMR1:
- cpc->pllmr[1] = val & 0xC0F73FFF;
- ppc405ep_compute_clocks(cpc);
- break;
- case PPC405EP_CPC0_UCR:
- /* UART control - don't care for now */
- cpc->ucr = val & 0x003F7F7F;
- break;
- case PPC405EP_CPC0_SRR:
- cpc->srr = val;
- break;
- case PPC405EP_CPC0_JTAGID:
- /* Read-only */
- break;
- case PPC405EP_CPC0_PCI:
- cpc->pci = val;
- break;
- }
-}
-
-static void ppc405ep_cpc_reset (void *opaque)
-{
- ppc405ep_cpc_t *cpc = 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->srr = 0x00040000;
- cpc->pci = 0x00000000;
- cpc->er = 0x00000000;
- cpc->fr = 0x00000000;
- cpc->sr = 0x00000000;
- 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)
-{
- ppc405ep_cpc_t *cpc;
-
- cpc = g_malloc0(sizeof(ppc405ep_cpc_t));
- 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
-}
-
-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,
- 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;
-
- memset(clk_setup, 0, sizeof(clk_setup));
- /* init CPUs */
- cpu = ppc4xx_init("405ep", &clk_setup[PPC405EP_CPU_CLK],
- &tlb_clk_setup, sysclk);
- env = &cpu->env;
- clk_setup[PPC405EP_CPU_CLK].cb = tlb_clk_setup.cb;
- clk_setup[PPC405EP_CPU_CLK].opaque = tlb_clk_setup.opaque;
- /* Internal devices init */
- /* Memory mapped devices registers */
- /* PLB arbitrer */
- ppc4xx_plb_init(env);
- /* PLB to OPB bridge */
- ppc4xx_pob_init(env);
- /* OBP arbitrer */
- ppc4xx_opba_init(0xef600600);
- /* Initialize timers */
- ppc_booke_timers_init(cpu, sysclk, 0);
- /* Universal interrupt controller */
- irqs = g_malloc0(sizeof(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 */
- /* XXX 405EP has no ECC interrupt */
- ppc4xx_sdram_init(env, pic[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];
- ppc405_dma_init(env, dma_irqs);
- /* IIC controller */
- ppc405_i2c_init(0xef600500, pic[2]);
- /* GPIO */
- ppc405_gpio_init(0xef600700);
- /* Serial ports */
- if (serial_hds[0] != NULL) {
- serial_mm_init(address_space_mem, 0xef600300, 0, pic[0],
- PPC_SERIAL_MM_BAUDBASE, serial_hds[0],
- DEVICE_BIG_ENDIAN);
- }
- if (serial_hds[1] != NULL) {
- serial_mm_init(address_space_mem, 0xef600400, 0, pic[1],
- PPC_SERIAL_MM_BAUDBASE, serial_hds[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];
- ppc4xx_gpt_init(0xef600000, gpt_irqs);
- /* PCI */
- /* Uses pic[3], pic[16], pic[18] */
- /* MAL */
- mal_irqs[0] = pic[11];
- mal_irqs[1] = pic[12];
- mal_irqs[2] = pic[13];
- mal_irqs[3] = pic[14];
- ppc405_mal_init(env, mal_irqs);
- /* Ethernet */
- /* Uses pic[9], pic[15], pic[17] */
- /* CPU control */
- ppc405ep_cpc_init(env, clk_setup, sysclk);
-
- return env;
-}