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[Qemu-devel] [PATCH v3] ppc4xx: Add device models found in PPC440 core S
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From: |
BALATON Zoltan |
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Subject: |
[Qemu-devel] [PATCH v3] ppc4xx: Add device models found in PPC440 core SoCs |
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Date: |
Fri, 02 Mar 2018 18:48:18 +0100 |
These devices are found in newer SoCs based on 440 core e.g. the 460EX
(http://www.embeddeddeveloper.com/assets/processors/amcc/datasheets/
PP460EX_DS2063.pdf)
Signed-off-by: BALATON Zoltan <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
v3: Fixed warning from older gcc about variable used uninitialised
hw/ppc/ppc440.h | 26 +
hw/ppc/ppc440_uc.c | 1162 ++++++++++++++++++++++++++++++++++++++++++++
include/hw/pci/pcie_host.h | 2 +-
3 files changed, 1189 insertions(+), 1 deletion(-)
create mode 100644 hw/ppc/ppc440.h
create mode 100644 hw/ppc/ppc440_uc.c
diff --git a/hw/ppc/ppc440.h b/hw/ppc/ppc440.h
new file mode 100644
index 0000000..ad27db1
--- /dev/null
+++ b/hw/ppc/ppc440.h
@@ -0,0 +1,26 @@
+/*
+ * QEMU PowerPC 440 shared definitions
+ *
+ * Copyright (c) 2012 François Revol
+ * Copyright (c) 2016-2018 BALATON Zoltan
+ *
+ * This work is licensed under the GNU GPL license version 2 or later.
+ *
+ */
+
+#ifndef PPC440_H
+#define PPC440_H
+
+#include "hw/ppc/ppc.h"
+
+void ppc4xx_l2sram_init(CPUPPCState *env);
+void ppc4xx_cpr_init(CPUPPCState *env);
+void ppc4xx_sdr_init(CPUPPCState *env);
+void ppc440_sdram_init(CPUPPCState *env, int nbanks,
+ MemoryRegion *ram_memories,
+ hwaddr *ram_bases, hwaddr *ram_sizes,
+ int do_init);
+void ppc4xx_ahb_init(CPUPPCState *env);
+void ppc460ex_pcie_init(CPUPPCState *env);
+
+#endif /* PPC440_H */
diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c
new file mode 100644
index 0000000..976ab2b
--- /dev/null
+++ b/hw/ppc/ppc440_uc.c
@@ -0,0 +1,1162 @@
+/*
+ * QEMU PowerPC 440 embedded processors emulation
+ *
+ * Copyright (c) 2012 François Revol
+ * Copyright (c) 2016-2018 BALATON Zoltan
+ *
+ * This work is licensed under the GNU GPL license version 2 or later.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/cutils.h"
+#include "qemu/error-report.h"
+#include "qapi/error.h"
+#include "cpu.h"
+#include "hw/hw.h"
+#include "exec/address-spaces.h"
+#include "exec/memory.h"
+#include "hw/ppc/ppc.h"
+#include "hw/pci/pci.h"
+#include "sysemu/block-backend.h"
+#include "hw/ppc/ppc440.h"
+
+/*****************************************************************************/
+/* L2 Cache as SRAM */
+/* FIXME:fix names */
+enum {
+ DCR_L2CACHE_BASE = 0x30,
+ DCR_L2CACHE_CFG = DCR_L2CACHE_BASE,
+ DCR_L2CACHE_CMD,
+ DCR_L2CACHE_ADDR,
+ DCR_L2CACHE_DATA,
+ DCR_L2CACHE_STAT,
+ DCR_L2CACHE_CVER,
+ DCR_L2CACHE_SNP0,
+ DCR_L2CACHE_SNP1,
+ DCR_L2CACHE_END = DCR_L2CACHE_SNP1,
+};
+
+/* base is 460ex-specific, cf. U-Boot, ppc4xx-isram.h */
+enum {
+ DCR_ISRAM0_BASE = 0x20,
+ DCR_ISRAM0_SB0CR = DCR_ISRAM0_BASE,
+ DCR_ISRAM0_SB1CR,
+ DCR_ISRAM0_SB2CR,
+ DCR_ISRAM0_SB3CR,
+ DCR_ISRAM0_BEAR,
+ DCR_ISRAM0_BESR0,
+ DCR_ISRAM0_BESR1,
+ DCR_ISRAM0_PMEG,
+ DCR_ISRAM0_CID,
+ DCR_ISRAM0_REVID,
+ DCR_ISRAM0_DPC,
+ DCR_ISRAM0_END = DCR_ISRAM0_DPC
+};
+
+enum {
+ DCR_ISRAM1_BASE = 0xb0,
+ DCR_ISRAM1_SB0CR = DCR_ISRAM1_BASE,
+ /* single bank */
+ DCR_ISRAM1_BEAR = DCR_ISRAM1_BASE + 0x04,
+ DCR_ISRAM1_BESR0,
+ DCR_ISRAM1_BESR1,
+ DCR_ISRAM1_PMEG,
+ DCR_ISRAM1_CID,
+ DCR_ISRAM1_REVID,
+ DCR_ISRAM1_DPC,
+ DCR_ISRAM1_END = DCR_ISRAM1_DPC
+};
+
+typedef struct ppc4xx_l2sram_t {
+ MemoryRegion bank[4];
+ uint32_t l2cache[8];
+ uint32_t isram0[11];
+} ppc4xx_l2sram_t;
+
+#ifdef MAP_L2SRAM
+static void l2sram_update_mappings(ppc4xx_l2sram_t *l2sram,
+ uint32_t isarc, uint32_t isacntl,
+ uint32_t dsarc, uint32_t dsacntl)
+{
+ if (l2sram->isarc != isarc ||
+ (l2sram->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
+ if (l2sram->isacntl & 0x80000000) {
+ /* Unmap previously assigned memory region */
+ memory_region_del_subregion(get_system_memory(),
+ &l2sram->isarc_ram);
+ }
+ if (isacntl & 0x80000000) {
+ /* Map new instruction memory region */
+ memory_region_add_subregion(get_system_memory(), isarc,
+ &l2sram->isarc_ram);
+ }
+ }
+ if (l2sram->dsarc != dsarc ||
+ (l2sram->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
+ if (l2sram->dsacntl & 0x80000000) {
+ /* Beware not to unmap the region we just mapped */
+ if (!(isacntl & 0x80000000) || l2sram->dsarc != isarc) {
+ /* Unmap previously assigned memory region */
+ memory_region_del_subregion(get_system_memory(),
+ &l2sram->dsarc_ram);
+ }
+ }
+ if (dsacntl & 0x80000000) {
+ /* Beware not to remap the region we just mapped */
+ if (!(isacntl & 0x80000000) || dsarc != isarc) {
+ /* Map new data memory region */
+ memory_region_add_subregion(get_system_memory(), dsarc,
+ &l2sram->dsarc_ram);
+ }
+ }
+ }
+}
+#endif
+
+static uint32_t dcr_read_l2sram(void *opaque, int dcrn)
+{
+ ppc4xx_l2sram_t *l2sram = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn) {
+ case DCR_L2CACHE_CFG:
+ case DCR_L2CACHE_CMD:
+ case DCR_L2CACHE_ADDR:
+ case DCR_L2CACHE_DATA:
+ case DCR_L2CACHE_STAT:
+ case DCR_L2CACHE_CVER:
+ case DCR_L2CACHE_SNP0:
+ case DCR_L2CACHE_SNP1:
+ ret = l2sram->l2cache[dcrn - DCR_L2CACHE_BASE];
+ break;
+
+ case DCR_ISRAM0_SB0CR:
+ case DCR_ISRAM0_SB1CR:
+ case DCR_ISRAM0_SB2CR:
+ case DCR_ISRAM0_SB3CR:
+ case DCR_ISRAM0_BEAR:
+ case DCR_ISRAM0_BESR0:
+ case DCR_ISRAM0_BESR1:
+ case DCR_ISRAM0_PMEG:
+ case DCR_ISRAM0_CID:
+ case DCR_ISRAM0_REVID:
+ case DCR_ISRAM0_DPC:
+ ret = l2sram->isram0[dcrn - DCR_ISRAM0_BASE];
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_l2sram(void *opaque, int dcrn, uint32_t val)
+{
+ /*ppc4xx_l2sram_t *l2sram = opaque;*/
+ /* FIXME: Actually handle L2 cache mapping */
+
+ switch (dcrn) {
+ case DCR_L2CACHE_CFG:
+ case DCR_L2CACHE_CMD:
+ case DCR_L2CACHE_ADDR:
+ case DCR_L2CACHE_DATA:
+ case DCR_L2CACHE_STAT:
+ case DCR_L2CACHE_CVER:
+ case DCR_L2CACHE_SNP0:
+ case DCR_L2CACHE_SNP1:
+ /*l2sram->l2cache[dcrn - DCR_L2CACHE_BASE] = val;*/
+ break;
+
+ case DCR_ISRAM0_SB0CR:
+ case DCR_ISRAM0_SB1CR:
+ case DCR_ISRAM0_SB2CR:
+ case DCR_ISRAM0_SB3CR:
+ case DCR_ISRAM0_BEAR:
+ case DCR_ISRAM0_BESR0:
+ case DCR_ISRAM0_BESR1:
+ case DCR_ISRAM0_PMEG:
+ case DCR_ISRAM0_CID:
+ case DCR_ISRAM0_REVID:
+ case DCR_ISRAM0_DPC:
+ /*l2sram->isram0[dcrn - DCR_L2CACHE_BASE] = val;*/
+ break;
+
+ case DCR_ISRAM1_SB0CR:
+ case DCR_ISRAM1_BEAR:
+ case DCR_ISRAM1_BESR0:
+ case DCR_ISRAM1_BESR1:
+ case DCR_ISRAM1_PMEG:
+ case DCR_ISRAM1_CID:
+ case DCR_ISRAM1_REVID:
+ case DCR_ISRAM1_DPC:
+ /*l2sram->isram1[dcrn - DCR_L2CACHE_BASE] = val;*/
+ break;
+ }
+ /*l2sram_update_mappings(l2sram, isarc, isacntl, dsarc, dsacntl);*/
+}
+
+static void l2sram_reset(void *opaque)
+{
+ ppc4xx_l2sram_t *l2sram = opaque;
+
+ memset(l2sram->l2cache, 0, sizeof(l2sram->l2cache));
+ l2sram->l2cache[DCR_L2CACHE_STAT - DCR_L2CACHE_BASE] = 0x80000000;
+ memset(l2sram->isram0, 0, sizeof(l2sram->isram0));
+ /*l2sram_update_mappings(l2sram, isarc, isacntl, dsarc, dsacntl);*/
+}
+
+void ppc4xx_l2sram_init(CPUPPCState *env)
+{
+ ppc4xx_l2sram_t *l2sram;
+
+ l2sram = g_malloc0(sizeof(*l2sram));
+ /* XXX: Size is 4*64kB for 460ex, cf. U-Boot, ppc4xx-isram.h */
+ memory_region_init_ram(&l2sram->bank[0], NULL, "ppc4xx.l2sram_bank0",
+ 64 * K_BYTE, &error_abort);
+ memory_region_init_ram(&l2sram->bank[1], NULL, "ppc4xx.l2sram_bank1",
+ 64 * K_BYTE, &error_abort);
+ memory_region_init_ram(&l2sram->bank[2], NULL, "ppc4xx.l2sram_bank2",
+ 64 * K_BYTE, &error_abort);
+ memory_region_init_ram(&l2sram->bank[3], NULL, "ppc4xx.l2sram_bank3",
+ 64 * K_BYTE, &error_abort);
+ qemu_register_reset(&l2sram_reset, l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_CFG,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_CMD,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_ADDR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_DATA,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_STAT,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_CVER,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_SNP0,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_L2CACHE_SNP1,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+
+ ppc_dcr_register(env, DCR_ISRAM0_SB0CR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM0_SB1CR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM0_SB2CR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM0_SB3CR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM0_PMEG,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM0_DPC,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+
+ ppc_dcr_register(env, DCR_ISRAM1_SB0CR,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM1_PMEG,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+ ppc_dcr_register(env, DCR_ISRAM1_DPC,
+ l2sram, &dcr_read_l2sram, &dcr_write_l2sram);
+}
+
+/*****************************************************************************/
+/* Clocking Power on Reset */
+enum {
+ CPR0_CFGADDR = 0xC,
+ CPR0_CFGDATA = 0xD,
+
+ CPR0_PLLD = 0x060,
+ CPR0_PLBED = 0x080,
+ CPR0_OPBD = 0x0C0,
+ CPR0_PERD = 0x0E0,
+ CPR0_AHBD = 0x100,
+};
+
+typedef struct ppc4xx_cpr_t {
+ uint32_t addr;
+} ppc4xx_cpr_t;
+
+static uint32_t dcr_read_cpr(void *opaque, int dcrn)
+{
+ ppc4xx_cpr_t *cpr = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn) {
+ case CPR0_CFGADDR:
+ ret = cpr->addr;
+ break;
+ case CPR0_CFGDATA:
+ switch (cpr->addr) {
+ case CPR0_PLLD:
+ ret = (0xb5 << 24) | (1 << 16) | (9 << 8);
+ break;
+ case CPR0_PLBED:
+ ret = (5 << 24);
+ break;
+ case CPR0_OPBD:
+ ret = (2 << 24);
+ break;
+ case CPR0_PERD:
+ case CPR0_AHBD:
+ ret = (1 << 24);
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_cpr(void *opaque, int dcrn, uint32_t val)
+{
+ ppc4xx_cpr_t *cpr = opaque;
+
+ switch (dcrn) {
+ case CPR0_CFGADDR:
+ cpr->addr = val;
+ break;
+ case CPR0_CFGDATA:
+ break;
+ default:
+ break;
+ }
+}
+
+static void ppc4xx_cpr_reset(void *opaque)
+{
+ ppc4xx_cpr_t *cpr = opaque;
+
+ cpr->addr = 0;
+}
+
+void ppc4xx_cpr_init(CPUPPCState *env)
+{
+ ppc4xx_cpr_t *cpr;
+
+ cpr = g_malloc0(sizeof(*cpr));
+ ppc_dcr_register(env, CPR0_CFGADDR, cpr, &dcr_read_cpr, &dcr_write_cpr);
+ ppc_dcr_register(env, CPR0_CFGDATA, cpr, &dcr_read_cpr, &dcr_write_cpr);
+ qemu_register_reset(ppc4xx_cpr_reset, cpr);
+}
+
+/*****************************************************************************/
+/* System DCRs */
+typedef struct ppc4xx_sdr_t ppc4xx_sdr_t;
+struct ppc4xx_sdr_t {
+ uint32_t addr;
+};
+
+enum {
+ SDR0_CFGADDR = 0x00e,
+ SDR0_CFGDATA,
+ SDR0_STRP0 = 0x020,
+ SDR0_STRP1,
+ SDR0_102 = 0x66,
+ SDR0_103,
+ SDR0_128 = 0x80,
+ SDR0_ECID3 = 0x083,
+ SDR0_DDR0 = 0x0e1,
+ SDR0_USB0 = 0x320,
+};
+
+enum {
+ PESDR0_LOOP = 0x303,
+ PESDR0_RCSSET,
+ PESDR0_RCSSTS,
+ PESDR0_RSTSTA = 0x310,
+ PESDR1_LOOP = 0x343,
+ PESDR1_RCSSET,
+ PESDR1_RCSSTS,
+ PESDR1_RSTSTA = 0x365,
+};
+
+#define SDR0_DDR0_DDRM_ENCODE(n) ((((unsigned long)(n)) & 0x03) << 29)
+#define SDR0_DDR0_DDRM_DDR1 0x20000000
+#define SDR0_DDR0_DDRM_DDR2 0x40000000
+
+static uint32_t dcr_read_sdr(void *opaque, int dcrn)
+{
+ ppc4xx_sdr_t *sdr = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn) {
+ case SDR0_CFGADDR:
+ ret = sdr->addr;
+ break;
+ case SDR0_CFGDATA:
+ switch (sdr->addr) {
+ case SDR0_STRP0:
+ /* FIXME: Is this correct? This breaks timing in U-Boot */
+ ret = 0; /*(0xb5 << 8) | (1 << 4) | 9 */
+ break;
+ case SDR0_STRP1:
+ ret = (5 << 29) | (2 << 26) | (1 << 24);
+ break;
+ case SDR0_ECID3:
+ ret = 1 << 20; /* No Security/Kasumi support */
+ break;
+ case SDR0_DDR0:
+ ret = SDR0_DDR0_DDRM_ENCODE(1) | SDR0_DDR0_DDRM_DDR1;
+ break;
+ case PESDR0_RCSSET:
+ case PESDR1_RCSSET:
+ ret = (1 << 24) | (1 << 16);
+ break;
+ case PESDR0_RCSSTS:
+ case PESDR1_RCSSTS:
+ ret = (1 << 16) | (1 << 12);
+ break;
+ case PESDR0_RSTSTA:
+ case PESDR1_RSTSTA:
+ ret = 1;
+ break;
+ case PESDR0_LOOP:
+ case PESDR1_LOOP:
+ ret = 1 << 12;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_sdr(void *opaque, int dcrn, uint32_t val)
+{
+ ppc4xx_sdr_t *sdr = opaque;
+
+ switch (dcrn) {
+ case SDR0_CFGADDR:
+ sdr->addr = val;
+ break;
+ case SDR0_CFGDATA:
+ switch (sdr->addr) {
+ case 0x00: /* B0CR */
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void sdr_reset(void *opaque)
+{
+ ppc4xx_sdr_t *sdr = opaque;
+
+ sdr->addr = 0;
+}
+
+void ppc4xx_sdr_init(CPUPPCState *env)
+{
+ ppc4xx_sdr_t *sdr;
+
+ sdr = g_malloc0(sizeof(*sdr));
+ qemu_register_reset(&sdr_reset, sdr);
+ ppc_dcr_register(env, SDR0_CFGADDR,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+ ppc_dcr_register(env, SDR0_CFGDATA,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+ ppc_dcr_register(env, SDR0_102,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+ ppc_dcr_register(env, SDR0_103,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+ ppc_dcr_register(env, SDR0_128,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+ ppc_dcr_register(env, SDR0_USB0,
+ sdr, &dcr_read_sdr, &dcr_write_sdr);
+}
+
+/*****************************************************************************/
+/* SDRAM controller */
+typedef struct ppc4xx_sdram_t {
+ uint32_t addr;
+ int nbanks;
+ MemoryRegion containers[4]; /* used for clipping */
+ MemoryRegion *ram_memories;
+ hwaddr ram_bases[4];
+ hwaddr ram_sizes[4];
+ uint32_t bcr[4];
+} ppc4xx_sdram_t;
+
+enum {
+ SDRAM0_CFGADDR = 0x10,
+ SDRAM0_CFGDATA,
+ SDRAM_R0BAS = 0x40,
+ SDRAM_R1BAS,
+ SDRAM_R2BAS,
+ SDRAM_R3BAS,
+ SDRAM_CONF1HB = 0x45,
+ SDRAM_PLBADDULL = 0x4a,
+ SDRAM_CONF1LL = 0x4b,
+ SDRAM_CONFPATHB = 0x4f,
+ SDRAM_PLBADDUHB = 0x50,
+};
+
+/* XXX: TOFIX: some patches have made this code become inconsistent:
+ * there are type inconsistencies, mixing hwaddr, target_ulong
+ * and uint32_t
+ */
+static uint32_t sdram_bcr(hwaddr ram_base, hwaddr ram_size)
+{
+ uint32_t bcr;
+
+ switch (ram_size) {
+ case (8 * M_BYTE):
+ bcr = 0xffc0;
+ break;
+ case (16 * M_BYTE):
+ bcr = 0xff80;
+ break;
+ case (32 * M_BYTE):
+ bcr = 0xff00;
+ break;
+ case (64 * M_BYTE):
+ bcr = 0xfe00;
+ break;
+ case (128 * M_BYTE):
+ bcr = 0xfc00;
+ break;
+ case (256 * M_BYTE):
+ bcr = 0xf800;
+ break;
+ case (512 * M_BYTE):
+ bcr = 0xf000;
+ break;
+ case (1 * G_BYTE):
+ bcr = 0xe000;
+ break;
+ default:
+ error_report("invalid RAM size " TARGET_FMT_plx, ram_size);
+ return 0;
+ }
+ bcr |= ram_base & 0xFF800000;
+ bcr |= 1;
+
+ return bcr;
+}
+
+static inline hwaddr sdram_base(uint32_t bcr)
+{
+ return bcr & 0xFF800000;
+}
+
+static target_ulong sdram_size(uint32_t bcr)
+{
+ target_ulong size;
+ int sh;
+
+ sh = 1024 - ((bcr >> 6) & 0x3ff);
+ if (sh == 0) {
+ size = -1;
+ } else {
+ size = 8 * M_BYTE * sh;
+ }
+
+ return size;
+}
+
+static void sdram_set_bcr(ppc4xx_sdram_t *sdram,
+ uint32_t *bcrp, uint32_t bcr, int enabled)
+{
+ unsigned n = bcrp - sdram->bcr;
+
+ if (*bcrp & 1) {
+ /* Unmap RAM */
+ memory_region_del_subregion(get_system_memory(),
+ &sdram->containers[n]);
+ memory_region_del_subregion(&sdram->containers[n],
+ &sdram->ram_memories[n]);
+ object_unparent(OBJECT(&sdram->containers[n]));
+ }
+ *bcrp = bcr & 0xFFDEE001;
+ if (enabled && (bcr & 1)) {
+ memory_region_init(&sdram->containers[n], NULL, "sdram-containers",
+ sdram_size(bcr));
+ memory_region_add_subregion(&sdram->containers[n], 0,
+ &sdram->ram_memories[n]);
+ memory_region_add_subregion(get_system_memory(),
+ sdram_base(bcr),
+ &sdram->containers[n]);
+ }
+}
+
+static void sdram_map_bcr(ppc4xx_sdram_t *sdram)
+{
+ int i;
+
+ for (i = 0; i < sdram->nbanks; i++) {
+ if (sdram->ram_sizes[i] != 0) {
+ sdram_set_bcr(sdram,
+ &sdram->bcr[i],
+ sdram_bcr(sdram->ram_bases[i], sdram->ram_sizes[i]),
+ 1);
+ } else {
+ sdram_set_bcr(sdram, &sdram->bcr[i], 0, 0);
+ }
+ }
+}
+
+static uint32_t dcr_read_sdram(void *opaque, int dcrn)
+{
+ ppc4xx_sdram_t *sdram = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn) {
+ case SDRAM_R0BAS:
+ case SDRAM_R1BAS:
+ case SDRAM_R2BAS:
+ case SDRAM_R3BAS:
+ ret = sdram_bcr(sdram->ram_bases[dcrn - SDRAM_R0BAS],
+ sdram->ram_sizes[dcrn - SDRAM_R0BAS]);
+ break;
+ case SDRAM_CONF1HB:
+ case SDRAM_CONF1LL:
+ case SDRAM_CONFPATHB:
+ case SDRAM_PLBADDULL:
+ case SDRAM_PLBADDUHB:
+ break;
+ case SDRAM0_CFGADDR:
+ ret = sdram->addr;
+ break;
+ case SDRAM0_CFGDATA:
+ switch (sdram->addr) {
+ case 0x14: /* SDRAM_MCSTAT (405EX) */
+ case 0x1F:
+ ret = 0x80000000;
+ break;
+ case 0x21: /* SDRAM_MCOPT2 */
+ ret = 0x08000000;
+ break;
+ case 0x40: /* SDRAM_MB0CF */
+ ret = 0x00008001;
+ break;
+ case 0x7A: /* SDRAM_DLCR */
+ ret = 0x02000000;
+ break;
+ case 0xE1: /* SDR0_DDR0 */
+ ret = SDR0_DDR0_DDRM_ENCODE(1) | SDR0_DDR0_DDRM_DDR1;
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_sdram(void *opaque, int dcrn, uint32_t val)
+{
+ ppc4xx_sdram_t *sdram = opaque;
+
+ switch (dcrn) {
+ case SDRAM_R0BAS:
+ case SDRAM_R1BAS:
+ case SDRAM_R2BAS:
+ case SDRAM_R3BAS:
+ case SDRAM_CONF1HB:
+ case SDRAM_CONF1LL:
+ case SDRAM_CONFPATHB:
+ case SDRAM_PLBADDULL:
+ case SDRAM_PLBADDUHB:
+ break;
+ case SDRAM0_CFGADDR:
+ sdram->addr = val;
+ break;
+ case SDRAM0_CFGDATA:
+ switch (sdram->addr) {
+ case 0x00: /* B0CR */
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+static void sdram_reset(void *opaque)
+{
+ ppc4xx_sdram_t *sdram = opaque;
+
+ sdram->addr = 0;
+}
+
+void ppc440_sdram_init(CPUPPCState *env, int nbanks,
+ MemoryRegion *ram_memories,
+ hwaddr *ram_bases, hwaddr *ram_sizes,
+ int do_init)
+{
+ ppc4xx_sdram_t *sdram;
+
+ sdram = g_malloc0(sizeof(*sdram));
+ sdram->nbanks = nbanks;
+ sdram->ram_memories = ram_memories;
+ memcpy(sdram->ram_bases, ram_bases, nbanks * sizeof(hwaddr));
+ memcpy(sdram->ram_sizes, ram_sizes, nbanks * sizeof(hwaddr));
+ qemu_register_reset(&sdram_reset, sdram);
+ ppc_dcr_register(env, SDRAM0_CFGADDR,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM0_CFGDATA,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ if (do_init) {
+ sdram_map_bcr(sdram);
+ }
+
+ ppc_dcr_register(env, SDRAM_R0BAS,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_R1BAS,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_R2BAS,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_R3BAS,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_CONF1HB,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_PLBADDULL,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_CONF1LL,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_CONFPATHB,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM_PLBADDUHB,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+}
+
+/*****************************************************************************/
+/* PLB to AHB bridge */
+enum {
+ AHB_TOP = 0xA4,
+ AHB_BOT = 0xA5,
+};
+
+typedef struct ppc4xx_ahb_t {
+ uint32_t top;
+ uint32_t bot;
+} ppc4xx_ahb_t;
+
+static uint32_t dcr_read_ahb(void *opaque, int dcrn)
+{
+ ppc4xx_ahb_t *ahb = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn) {
+ case AHB_TOP:
+ ret = ahb->top;
+ break;
+ case AHB_BOT:
+ ret = ahb->bot;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_ahb(void *opaque, int dcrn, uint32_t val)
+{
+ ppc4xx_ahb_t *ahb = opaque;
+
+ switch (dcrn) {
+ case AHB_TOP:
+ ahb->top = val;
+ break;
+ case AHB_BOT:
+ ahb->bot = val;
+ break;
+ }
+}
+
+static void ppc4xx_ahb_reset(void *opaque)
+{
+ ppc4xx_ahb_t *ahb = opaque;
+
+ /* No error */
+ ahb->top = 0;
+ ahb->bot = 0;
+}
+
+void ppc4xx_ahb_init(CPUPPCState *env)
+{
+ ppc4xx_ahb_t *ahb;
+
+ ahb = g_malloc0(sizeof(*ahb));
+ ppc_dcr_register(env, AHB_TOP, ahb, &dcr_read_ahb, &dcr_write_ahb);
+ ppc_dcr_register(env, AHB_BOT, ahb, &dcr_read_ahb, &dcr_write_ahb);
+ qemu_register_reset(ppc4xx_ahb_reset, ahb);
+}
+
+/*****************************************************************************/
+/* PCI Express controller */
+/* FIXME: This is not complete and does not work, only implemented partially
+ * to allow firmware and guests to find an empty bus. Cards should use PCI.
+ */
+#include "hw/pci/pcie_host.h"
+
+#define TYPE_PPC460EX_PCIE_HOST "ppc460ex-pcie-host"
+#define PPC460EX_PCIE_HOST(obj) \
+ OBJECT_CHECK(PPC460EXPCIEState, (obj), TYPE_PPC460EX_PCIE_HOST)
+
+typedef struct PPC460EXPCIEState {
+ PCIExpressHost host;
+
+ MemoryRegion iomem;
+ qemu_irq irq[4];
+ int32_t dcrn_base;
+
+ uint64_t cfg_base;
+ uint32_t cfg_mask;
+ uint64_t msg_base;
+ uint32_t msg_mask;
+ uint64_t omr1_base;
+ uint64_t omr1_mask;
+ uint64_t omr2_base;
+ uint64_t omr2_mask;
+ uint64_t omr3_base;
+ uint64_t omr3_mask;
+ uint64_t reg_base;
+ uint32_t reg_mask;
+ uint32_t special;
+ uint32_t cfg;
+} PPC460EXPCIEState;
+
+#define DCRN_PCIE0_BASE 0x100
+#define DCRN_PCIE1_BASE 0x120
+
+enum {
+ PEGPL_CFGBAH = 0x0,
+ PEGPL_CFGBAL,
+ PEGPL_CFGMSK,
+ PEGPL_MSGBAH,
+ PEGPL_MSGBAL,
+ PEGPL_MSGMSK,
+ PEGPL_OMR1BAH,
+ PEGPL_OMR1BAL,
+ PEGPL_OMR1MSKH,
+ PEGPL_OMR1MSKL,
+ PEGPL_OMR2BAH,
+ PEGPL_OMR2BAL,
+ PEGPL_OMR2MSKH,
+ PEGPL_OMR2MSKL,
+ PEGPL_OMR3BAH,
+ PEGPL_OMR3BAL,
+ PEGPL_OMR3MSKH,
+ PEGPL_OMR3MSKL,
+ PEGPL_REGBAH,
+ PEGPL_REGBAL,
+ PEGPL_REGMSK,
+ PEGPL_SPECIAL,
+ PEGPL_CFG,
+};
+
+static uint32_t dcr_read_pcie(void *opaque, int dcrn)
+{
+ PPC460EXPCIEState *state = opaque;
+ uint32_t ret = 0;
+
+ switch (dcrn - state->dcrn_base) {
+ case PEGPL_CFGBAH:
+ ret = state->cfg_base >> 32;
+ break;
+ case PEGPL_CFGBAL:
+ ret = state->cfg_base;
+ break;
+ case PEGPL_CFGMSK:
+ ret = state->cfg_mask;
+ break;
+ case PEGPL_MSGBAH:
+ ret = state->msg_base >> 32;
+ break;
+ case PEGPL_MSGBAL:
+ ret = state->msg_base;
+ break;
+ case PEGPL_MSGMSK:
+ ret = state->msg_mask;
+ break;
+ case PEGPL_OMR1BAH:
+ ret = state->omr1_base >> 32;
+ break;
+ case PEGPL_OMR1BAL:
+ ret = state->omr1_base;
+ break;
+ case PEGPL_OMR1MSKH:
+ ret = state->omr1_mask >> 32;
+ break;
+ case PEGPL_OMR1MSKL:
+ ret = state->omr1_mask;
+ break;
+ case PEGPL_OMR2BAH:
+ ret = state->omr2_base >> 32;
+ break;
+ case PEGPL_OMR2BAL:
+ ret = state->omr2_base;
+ break;
+ case PEGPL_OMR2MSKH:
+ ret = state->omr2_mask >> 32;
+ break;
+ case PEGPL_OMR2MSKL:
+ ret = state->omr3_mask;
+ break;
+ case PEGPL_OMR3BAH:
+ ret = state->omr3_base >> 32;
+ break;
+ case PEGPL_OMR3BAL:
+ ret = state->omr3_base;
+ break;
+ case PEGPL_OMR3MSKH:
+ ret = state->omr3_mask >> 32;
+ break;
+ case PEGPL_OMR3MSKL:
+ ret = state->omr3_mask;
+ break;
+ case PEGPL_REGBAH:
+ ret = state->reg_base >> 32;
+ break;
+ case PEGPL_REGBAL:
+ ret = state->reg_base;
+ break;
+ case PEGPL_REGMSK:
+ ret = state->reg_mask;
+ break;
+ case PEGPL_SPECIAL:
+ ret = state->special;
+ break;
+ case PEGPL_CFG:
+ ret = state->cfg;
+ break;
+ }
+
+ return ret;
+}
+
+static void dcr_write_pcie(void *opaque, int dcrn, uint32_t val)
+{
+ PPC460EXPCIEState *s = opaque;
+ uint64_t size;
+
+ switch (dcrn - s->dcrn_base) {
+ case PEGPL_CFGBAH:
+ s->cfg_base = ((uint64_t)val << 32) | (s->cfg_base & 0xffffffff);
+ break;
+ case PEGPL_CFGBAL:
+ s->cfg_base = (s->cfg_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_CFGMSK:
+ s->cfg_mask = val;
+ size = ~(val & 0xfffffffe) + 1;
+ qemu_mutex_lock_iothread();
+ pcie_host_mmcfg_update(PCIE_HOST_BRIDGE(s), val & 1, s->cfg_base,
size);
+ qemu_mutex_unlock_iothread();
+ break;
+ case PEGPL_MSGBAH:
+ s->msg_base = ((uint64_t)val << 32) | (s->msg_base & 0xffffffff);
+ break;
+ case PEGPL_MSGBAL:
+ s->msg_base = (s->msg_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_MSGMSK:
+ s->msg_mask = val;
+ break;
+ case PEGPL_OMR1BAH:
+ s->omr1_base = ((uint64_t)val << 32) | (s->omr1_base & 0xffffffff);
+ break;
+ case PEGPL_OMR1BAL:
+ s->omr1_base = (s->omr1_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_OMR1MSKH:
+ s->omr1_mask = ((uint64_t)val << 32) | (s->omr1_mask & 0xffffffff);
+ break;
+ case PEGPL_OMR1MSKL:
+ s->omr1_mask = (s->omr1_mask & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_OMR2BAH:
+ s->omr2_base = ((uint64_t)val << 32) | (s->omr2_base & 0xffffffff);
+ break;
+ case PEGPL_OMR2BAL:
+ s->omr2_base = (s->omr2_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_OMR2MSKH:
+ s->omr2_mask = ((uint64_t)val << 32) | (s->omr2_mask & 0xffffffff);
+ break;
+ case PEGPL_OMR2MSKL:
+ s->omr2_mask = (s->omr2_mask & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_OMR3BAH:
+ s->omr3_base = ((uint64_t)val << 32) | (s->omr3_base & 0xffffffff);
+ break;
+ case PEGPL_OMR3BAL:
+ s->omr3_base = (s->omr3_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_OMR3MSKH:
+ s->omr3_mask = ((uint64_t)val << 32) | (s->omr3_mask & 0xffffffff);
+ break;
+ case PEGPL_OMR3MSKL:
+ s->omr3_mask = (s->omr3_mask & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_REGBAH:
+ s->reg_base = ((uint64_t)val << 32) | (s->reg_base & 0xffffffff);
+ break;
+ case PEGPL_REGBAL:
+ s->reg_base = (s->reg_base & 0xffffffff00000000ULL) | val;
+ break;
+ case PEGPL_REGMSK:
+ s->reg_mask = val;
+ /* FIXME: how is size encoded? */
+ size = (val == 0x7001 ? 4096 : ~(val & 0xfffffffe) + 1);
+ break;
+ case PEGPL_SPECIAL:
+ s->special = val;
+ break;
+ case PEGPL_CFG:
+ s->cfg = val;
+ break;
+ }
+}
+
+static void ppc460ex_set_irq(void *opaque, int irq_num, int level)
+{
+ PPC460EXPCIEState *s = opaque;
+ qemu_set_irq(s->irq[irq_num], level);
+}
+
+static void ppc460ex_pcie_realize(DeviceState *dev, Error **errp)
+{
+ PPC460EXPCIEState *s = PPC460EX_PCIE_HOST(dev);
+ PCIHostState *pci = PCI_HOST_BRIDGE(dev);
+ int i, id;
+ char buf[16];
+
+ switch (s->dcrn_base) {
+ case DCRN_PCIE0_BASE:
+ id = 0;
+ break;
+ case DCRN_PCIE1_BASE:
+ id = 1;
+ break;
+ default:
+ error_setg(errp, "invalid PCIe DCRN base");
+ return;
+ }
+ snprintf(buf, sizeof(buf), "pcie%d-io", id);
+ memory_region_init(&s->iomem, OBJECT(s), buf, UINT64_MAX);
+ for (i = 0; i < 4; i++) {
+ sysbus_init_irq(SYS_BUS_DEVICE(dev), &s->irq[i]);
+ }
+ snprintf(buf, sizeof(buf), "pcie.%d", id);
+ pci->bus = pci_register_root_bus(DEVICE(s), buf, ppc460ex_set_irq,
+ pci_swizzle_map_irq_fn, s, &s->iomem,
+ get_system_io(), 0, 4, TYPE_PCIE_BUS);
+}
+
+static Property ppc460ex_pcie_props[] = {
+ DEFINE_PROP_INT32("dcrn-base", PPC460EXPCIEState, dcrn_base, -1),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void ppc460ex_pcie_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
+ dc->realize = ppc460ex_pcie_realize;
+ dc->props = ppc460ex_pcie_props;
+ dc->hotpluggable = false;
+}
+
+static const TypeInfo ppc460ex_pcie_host_info = {
+ .name = TYPE_PPC460EX_PCIE_HOST,
+ .parent = TYPE_PCIE_HOST_BRIDGE,
+ .instance_size = sizeof(PPC460EXPCIEState),
+ .class_init = ppc460ex_pcie_class_init,
+};
+
+static void ppc460ex_pcie_register(void)
+{
+ type_register_static(&ppc460ex_pcie_host_info);
+}
+
+type_init(ppc460ex_pcie_register)
+
+static void ppc460ex_pcie_register_dcrs(PPC460EXPCIEState *s, CPUPPCState *env)
+{
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_CFGBAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_CFGBAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_CFGMSK, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_MSGBAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_MSGBAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_MSGMSK, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR1BAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR1BAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR1MSKH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR1MSKL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR2BAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR2BAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR2MSKH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR2MSKL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR3BAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR3BAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR3MSKH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_OMR3MSKL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_REGBAH, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_REGBAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_REGMSK, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_SPECIAL, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+ ppc_dcr_register(env, s->dcrn_base + PEGPL_CFG, s,
+ &dcr_read_pcie, &dcr_write_pcie);
+}
+
+void ppc460ex_pcie_init(CPUPPCState *env)
+{
+ DeviceState *dev;
+
+ dev = qdev_create(NULL, TYPE_PPC460EX_PCIE_HOST);
+ qdev_prop_set_int32(dev, "dcrn-base", DCRN_PCIE0_BASE);
+ qdev_init_nofail(dev);
+ object_property_set_bool(OBJECT(dev), true, "realized", NULL);
+ ppc460ex_pcie_register_dcrs(PPC460EX_PCIE_HOST(dev), env);
+
+ dev = qdev_create(NULL, TYPE_PPC460EX_PCIE_HOST);
+ qdev_prop_set_int32(dev, "dcrn-base", DCRN_PCIE1_BASE);
+ qdev_init_nofail(dev);
+ object_property_set_bool(OBJECT(dev), true, "realized", NULL);
+ ppc460ex_pcie_register_dcrs(PPC460EX_PCIE_HOST(dev), env);
+}
diff --git a/include/hw/pci/pcie_host.h b/include/hw/pci/pcie_host.h
index 4d23c80..3f7b988 100644
--- a/include/hw/pci/pcie_host.h
+++ b/include/hw/pci/pcie_host.h
@@ -65,7 +65,7 @@ void pcie_host_mmcfg_update(PCIExpressHost *e,
* bit 12 - 14: function number
* bit 0 - 11: offset in configuration space of a given device
*/
-#define PCIE_MMCFG_SIZE_MAX (1ULL << 28)
+#define PCIE_MMCFG_SIZE_MAX (1ULL << 29)
#define PCIE_MMCFG_SIZE_MIN (1ULL << 20)
#define PCIE_MMCFG_BUS_BIT 20
#define PCIE_MMCFG_BUS_MASK 0x1ff
--
2.7.6
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- [Qemu-devel] [PATCH v3] ppc4xx: Add device models found in PPC440 core SoCs,
BALATON Zoltan <=