ppc: move files referencing CPU to hw/ppc/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 0 insertions, 721 deletions

diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
deleted file mode 100644
index 49ec728a7b..0000000000
--- a/hw/ppc4xx_devs.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * QEMU PowerPC 4xx embedded processors shared devices 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 "hw/hw.h"
-#include "hw/ppc.h"
-#include "hw/ppc4xx.h"
-#include "qemu/log.h"
-#include "exec/address-spaces.h"
-
-//#define DEBUG_MMIO
-//#define DEBUG_UNASSIGNED
-#define DEBUG_UIC
-
-
-#ifdef DEBUG_UIC
-#  define LOG_UIC(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
-#else
-#  define LOG_UIC(...) do { } while (0)
-#endif
-
-static void ppc4xx_reset(void *opaque)
-{
-    PowerPCCPU *cpu = opaque;
-
-    cpu_reset(CPU(cpu));
-}
-
-/*****************************************************************************/
-/* Generic PowerPC 4xx processor instantiation */
-PowerPCCPU *ppc4xx_init(const char *cpu_model,
-                        clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
-                        uint32_t sysclk)
-{
-    PowerPCCPU *cpu;
-    CPUPPCState *env;
-
-    /* init CPUs */
-    cpu = cpu_ppc_init(cpu_model);
-    if (cpu == NULL) {
-        fprintf(stderr, "Unable to find PowerPC %s CPU definition\n",
-                cpu_model);
-        exit(1);
-    }
-    env = &cpu->env;
-
-    cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
-    cpu_clk->opaque = env;
-    /* Set time-base frequency to sysclk */
-    tb_clk->cb = ppc_40x_timers_init(env, sysclk, PPC_INTERRUPT_PIT);
-    tb_clk->opaque = env;
-    ppc_dcr_init(env, NULL, NULL);
-    /* Register qemu callbacks */
-    qemu_register_reset(ppc4xx_reset, cpu);
-
-    return cpu;
-}
-
-/*****************************************************************************/
-/* "Universal" Interrupt controller */
-enum {
-    DCR_UICSR  = 0x000,
-    DCR_UICSRS = 0x001,
-    DCR_UICER  = 0x002,
-    DCR_UICCR  = 0x003,
-    DCR_UICPR  = 0x004,
-    DCR_UICTR  = 0x005,
-    DCR_UICMSR = 0x006,
-    DCR_UICVR  = 0x007,
-    DCR_UICVCR = 0x008,
-    DCR_UICMAX = 0x009,
-};
-
-#define UIC_MAX_IRQ 32
-typedef struct ppcuic_t ppcuic_t;
-struct ppcuic_t {
-    uint32_t dcr_base;
-    int use_vectors;
-    uint32_t level;  /* Remembers the state of level-triggered interrupts. */
-    uint32_t uicsr;  /* Status register */
-    uint32_t uicer;  /* Enable register */
-    uint32_t uiccr;  /* Critical register */
-    uint32_t uicpr;  /* Polarity register */
-    uint32_t uictr;  /* Triggering register */
-    uint32_t uicvcr; /* Vector configuration register */
-    uint32_t uicvr;
-    qemu_irq *irqs;
-};
-
-static void ppcuic_trigger_irq (ppcuic_t *uic)
-{
-    uint32_t ir, cr;
-    int start, end, inc, i;
-
-    /* Trigger interrupt if any is pending */
-    ir = uic->uicsr & uic->uicer & (~uic->uiccr);
-    cr = uic->uicsr & uic->uicer & uic->uiccr;
-    LOG_UIC("%s: uicsr %08" PRIx32 " uicer %08" PRIx32
-                " uiccr %08" PRIx32 "\n"
-                "   %08" PRIx32 " ir %08" PRIx32 " cr %08" PRIx32 "\n",
-                __func__, uic->uicsr, uic->uicer, uic->uiccr,
-                uic->uicsr & uic->uicer, ir, cr);
-    if (ir != 0x0000000) {
-        LOG_UIC("Raise UIC interrupt\n");
-        qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_INT]);
-    } else {
-        LOG_UIC("Lower UIC interrupt\n");
-        qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_INT]);
-    }
-    /* Trigger critical interrupt if any is pending and update vector */
-    if (cr != 0x0000000) {
-        qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_CINT]);
-        if (uic->use_vectors) {
-            /* Compute critical IRQ vector */
-            if (uic->uicvcr & 1) {
-                start = 31;
-                end = 0;
-                inc = -1;
-            } else {
-                start = 0;
-                end = 31;
-                inc = 1;
-            }
-            uic->uicvr = uic->uicvcr & 0xFFFFFFFC;
-            for (i = start; i <= end; i += inc) {
-                if (cr & (1 << i)) {
-                    uic->uicvr += (i - start) * 512 * inc;
-                    break;
-                }
-            }
-        }
-        LOG_UIC("Raise UIC critical interrupt - "
-                    "vector %08" PRIx32 "\n", uic->uicvr);
-    } else {
-        LOG_UIC("Lower UIC critical interrupt\n");
-        qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_CINT]);
-        uic->uicvr = 0x00000000;
-    }
-}
-
-static void ppcuic_set_irq (void *opaque, int irq_num, int level)
-{
-    ppcuic_t *uic;
-    uint32_t mask, sr;
-
-    uic = opaque;
-    mask = 1 << (31-irq_num);
-    LOG_UIC("%s: irq %d level %d uicsr %08" PRIx32
-                " mask %08" PRIx32 " => %08" PRIx32 " %08" PRIx32 "\n",
-                __func__, irq_num, level,
-                uic->uicsr, mask, uic->uicsr & mask, level << irq_num);
-    if (irq_num < 0 || irq_num > 31)
-        return;
-    sr = uic->uicsr;
-
-    /* Update status register */
-    if (uic->uictr & mask) {
-        /* Edge sensitive interrupt */
-        if (level == 1)
-            uic->uicsr |= mask;
-    } else {
-        /* Level sensitive interrupt */
-        if (level == 1) {
-            uic->uicsr |= mask;
-            uic->level |= mask;
-        } else {
-            uic->uicsr &= ~mask;
-            uic->level &= ~mask;
-        }
-    }
-    LOG_UIC("%s: irq %d level %d sr %" PRIx32 " => "
-                "%08" PRIx32 "\n", __func__, irq_num, level, uic->uicsr, sr);
-    if (sr != uic->uicsr)
-        ppcuic_trigger_irq(uic);
-}
-
-static uint32_t dcr_read_uic (void *opaque, int dcrn)
-{
-    ppcuic_t *uic;
-    uint32_t ret;
-
-    uic = opaque;
-    dcrn -= uic->dcr_base;
-    switch (dcrn) {
-    case DCR_UICSR:
-    case DCR_UICSRS:
-        ret = uic->uicsr;
-        break;
-    case DCR_UICER:
-        ret = uic->uicer;
-        break;
-    case DCR_UICCR:
-        ret = uic->uiccr;
-        break;
-    case DCR_UICPR:
-        ret = uic->uicpr;
-        break;
-    case DCR_UICTR:
-        ret = uic->uictr;
-        break;
-    case DCR_UICMSR:
-        ret = uic->uicsr & uic->uicer;
-        break;
-    case DCR_UICVR:
-        if (!uic->use_vectors)
-            goto no_read;
-        ret = uic->uicvr;
-        break;
-    case DCR_UICVCR:
-        if (!uic->use_vectors)
-            goto no_read;
-        ret = uic->uicvcr;
-        break;
-    default:
-    no_read:
-        ret = 0x00000000;
-        break;
-    }
-
-    return ret;
-}
-
-static void dcr_write_uic (void *opaque, int dcrn, uint32_t val)
-{
-    ppcuic_t *uic;
-
-    uic = opaque;
-    dcrn -= uic->dcr_base;
-    LOG_UIC("%s: dcr %d val 0x%x\n", __func__, dcrn, val);
-    switch (dcrn) {
-    case DCR_UICSR:
-        uic->uicsr &= ~val;
-        uic->uicsr |= uic->level;
-        ppcuic_trigger_irq(uic);
-        break;
-    case DCR_UICSRS:
-        uic->uicsr |= val;
-        ppcuic_trigger_irq(uic);
-        break;
-    case DCR_UICER:
-        uic->uicer = val;
-        ppcuic_trigger_irq(uic);
-        break;
-    case DCR_UICCR:
-        uic->uiccr = val;
-        ppcuic_trigger_irq(uic);
-        break;
-    case DCR_UICPR:
-        uic->uicpr = val;
-        break;
-    case DCR_UICTR:
-        uic->uictr = val;
-        ppcuic_trigger_irq(uic);
-        break;
-    case DCR_UICMSR:
-        break;
-    case DCR_UICVR:
-        break;
-    case DCR_UICVCR:
-        uic->uicvcr = val & 0xFFFFFFFD;
-        ppcuic_trigger_irq(uic);
-        break;
-    }
-}
-
-static void ppcuic_reset (void *opaque)
-{
-    ppcuic_t *uic;
-
-    uic = opaque;
-    uic->uiccr = 0x00000000;
-    uic->uicer = 0x00000000;
-    uic->uicpr = 0x00000000;
-    uic->uicsr = 0x00000000;
-    uic->uictr = 0x00000000;
-    if (uic->use_vectors) {
-        uic->uicvcr = 0x00000000;
-        uic->uicvr = 0x0000000;
-    }
-}
-
-qemu_irq *ppcuic_init (CPUPPCState *env, qemu_irq *irqs,
-                       uint32_t dcr_base, int has_ssr, int has_vr)
-{
-    ppcuic_t *uic;
-    int i;
-
-    uic = g_malloc0(sizeof(ppcuic_t));
-    uic->dcr_base = dcr_base;
-    uic->irqs = irqs;
-    if (has_vr)
-        uic->use_vectors = 1;
-    for (i = 0; i < DCR_UICMAX; i++) {
-        ppc_dcr_register(env, dcr_base + i, uic,
-                         &dcr_read_uic, &dcr_write_uic);
-    }
-    qemu_register_reset(ppcuic_reset, uic);
-
-    return qemu_allocate_irqs(&ppcuic_set_irq, uic, UIC_MAX_IRQ);
-}
-
-/*****************************************************************************/
-/* SDRAM controller */
-typedef struct ppc4xx_sdram_t ppc4xx_sdram_t;
-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 besr0;
-    uint32_t besr1;
-    uint32_t bear;
-    uint32_t cfg;
-    uint32_t status;
-    uint32_t rtr;
-    uint32_t pmit;
-    uint32_t bcr[4];
-    uint32_t tr;
-    uint32_t ecccfg;
-    uint32_t eccesr;
-    qemu_irq irq;
-};
-
-enum {
-    SDRAM0_CFGADDR = 0x010,
-    SDRAM0_CFGDATA = 0x011,
-};
-
-/* 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 (4 * 1024 * 1024):
-        bcr = 0x00000000;
-        break;
-    case (8 * 1024 * 1024):
-        bcr = 0x00020000;
-        break;
-    case (16 * 1024 * 1024):
-        bcr = 0x00040000;
-        break;
-    case (32 * 1024 * 1024):
-        bcr = 0x00060000;
-        break;
-    case (64 * 1024 * 1024):
-        bcr = 0x00080000;
-        break;
-    case (128 * 1024 * 1024):
-        bcr = 0x000A0000;
-        break;
-    case (256 * 1024 * 1024):
-        bcr = 0x000C0000;
-        break;
-    default:
-        printf("%s: invalid RAM size " TARGET_FMT_plx "\n", __func__,
-               ram_size);
-        return 0x00000000;
-    }
-    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 = (bcr >> 17) & 0x7;
-    if (sh == 7)
-        size = -1;
-    else
-        size = (4 * 1024 * 1024) << 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 & 0x00000001) {
-        /* Unmap RAM */
-#ifdef DEBUG_SDRAM
-        printf("%s: unmap RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
-               __func__, sdram_base(*bcrp), sdram_size(*bcrp));
-#endif
-        memory_region_del_subregion(get_system_memory(),
-                                    &sdram->containers[n]);
-        memory_region_del_subregion(&sdram->containers[n],
-                                    &sdram->ram_memories[n]);
-        memory_region_destroy(&sdram->containers[n]);
-    }
-    *bcrp = bcr & 0xFFDEE001;
-    if (enabled && (bcr & 0x00000001)) {
-#ifdef DEBUG_SDRAM
-        printf("%s: Map RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
-               __func__, sdram_base(bcr), sdram_size(bcr));
-#endif
-        memory_region_init(&sdram->containers[n], "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], 0x00000000, 0);
-        }
-    }
-}
-
-static void sdram_unmap_bcr (ppc4xx_sdram_t *sdram)
-{
-    int i;
-
-    for (i = 0; i < sdram->nbanks; i++) {
-#ifdef DEBUG_SDRAM
-        printf("%s: Unmap RAM area " TARGET_FMT_plx " " TARGET_FMT_lx "\n",
-               __func__, sdram_base(sdram->bcr[i]), sdram_size(sdram->bcr[i]));
-#endif
-        memory_region_del_subregion(get_system_memory(),
-                                    &sdram->ram_memories[i]);
-    }
-}
-
-static uint32_t dcr_read_sdram (void *opaque, int dcrn)
-{
-    ppc4xx_sdram_t *sdram;
-    uint32_t ret;
-
-    sdram = opaque;
-    switch (dcrn) {
-    case SDRAM0_CFGADDR:
-        ret = sdram->addr;
-        break;
-    case SDRAM0_CFGDATA:
-        switch (sdram->addr) {
-        case 0x00: /* SDRAM_BESR0 */
-            ret = sdram->besr0;
-            break;
-        case 0x08: /* SDRAM_BESR1 */
-            ret = sdram->besr1;
-            break;
-        case 0x10: /* SDRAM_BEAR */
-            ret = sdram->bear;
-            break;
-        case 0x20: /* SDRAM_CFG */
-            ret = sdram->cfg;
-            break;
-        case 0x24: /* SDRAM_STATUS */
-            ret = sdram->status;
-            break;
-        case 0x30: /* SDRAM_RTR */
-            ret = sdram->rtr;
-            break;
-        case 0x34: /* SDRAM_PMIT */
-            ret = sdram->pmit;
-            break;
-        case 0x40: /* SDRAM_B0CR */
-            ret = sdram->bcr[0];
-            break;
-        case 0x44: /* SDRAM_B1CR */
-            ret = sdram->bcr[1];
-            break;
-        case 0x48: /* SDRAM_B2CR */
-            ret = sdram->bcr[2];
-            break;
-        case 0x4C: /* SDRAM_B3CR */
-            ret = sdram->bcr[3];
-            break;
-        case 0x80: /* SDRAM_TR */
-            ret = -1; /* ? */
-            break;
-        case 0x94: /* SDRAM_ECCCFG */
-            ret = sdram->ecccfg;
-            break;
-        case 0x98: /* SDRAM_ECCESR */
-            ret = sdram->eccesr;
-            break;
-        default: /* Error */
-            ret = -1;
-            break;
-        }
-        break;
-    default:
-        /* Avoid gcc warning */
-        ret = 0x00000000;
-        break;
-    }
-
-    return ret;
-}
-
-static void dcr_write_sdram (void *opaque, int dcrn, uint32_t val)
-{
-    ppc4xx_sdram_t *sdram;
-
-    sdram = opaque;
-    switch (dcrn) {
-    case SDRAM0_CFGADDR:
-        sdram->addr = val;
-        break;
-    case SDRAM0_CFGDATA:
-        switch (sdram->addr) {
-        case 0x00: /* SDRAM_BESR0 */
-            sdram->besr0 &= ~val;
-            break;
-        case 0x08: /* SDRAM_BESR1 */
-            sdram->besr1 &= ~val;
-            break;
-        case 0x10: /* SDRAM_BEAR */
-            sdram->bear = val;
-            break;
-        case 0x20: /* SDRAM_CFG */
-            val &= 0xFFE00000;
-            if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) {
-#ifdef DEBUG_SDRAM
-                printf("%s: enable SDRAM controller\n", __func__);
-#endif
-                /* validate all RAM mappings */
-                sdram_map_bcr(sdram);
-                sdram->status &= ~0x80000000;
-            } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) {
-#ifdef DEBUG_SDRAM
-                printf("%s: disable SDRAM controller\n", __func__);
-#endif
-                /* invalidate all RAM mappings */
-                sdram_unmap_bcr(sdram);
-                sdram->status |= 0x80000000;
-            }
-            if (!(sdram->cfg & 0x40000000) && (val & 0x40000000))
-                sdram->status |= 0x40000000;
-            else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000))
-                sdram->status &= ~0x40000000;
-            sdram->cfg = val;
-            break;
-        case 0x24: /* SDRAM_STATUS */
-            /* Read-only register */
-            break;
-        case 0x30: /* SDRAM_RTR */
-            sdram->rtr = val & 0x3FF80000;
-            break;
-        case 0x34: /* SDRAM_PMIT */
-            sdram->pmit = (val & 0xF8000000) | 0x07C00000;
-            break;
-        case 0x40: /* SDRAM_B0CR */
-            sdram_set_bcr(sdram, &sdram->bcr[0], val, sdram->cfg & 0x80000000);
-            break;
-        case 0x44: /* SDRAM_B1CR */
-            sdram_set_bcr(sdram, &sdram->bcr[1], val, sdram->cfg & 0x80000000);
-            break;
-        case 0x48: /* SDRAM_B2CR */
-            sdram_set_bcr(sdram, &sdram->bcr[2], val, sdram->cfg & 0x80000000);
-            break;
-        case 0x4C: /* SDRAM_B3CR */
-            sdram_set_bcr(sdram, &sdram->bcr[3], val, sdram->cfg & 0x80000000);
-            break;
-        case 0x80: /* SDRAM_TR */
-            sdram->tr = val & 0x018FC01F;
-            break;
-        case 0x94: /* SDRAM_ECCCFG */
-            sdram->ecccfg = val & 0x00F00000;
-            break;
-        case 0x98: /* SDRAM_ECCESR */
-            val &= 0xFFF0F000;
-            if (sdram->eccesr == 0 && val != 0)
-                qemu_irq_raise(sdram->irq);
-            else if (sdram->eccesr != 0 && val == 0)
-                qemu_irq_lower(sdram->irq);
-            sdram->eccesr = val;
-            break;
-        default: /* Error */
-            break;
-        }
-        break;
-    }
-}
-
-static void sdram_reset (void *opaque)
-{
-    ppc4xx_sdram_t *sdram;
-
-    sdram = opaque;
-    sdram->addr = 0x00000000;
-    sdram->bear = 0x00000000;
-    sdram->besr0 = 0x00000000; /* No error */
-    sdram->besr1 = 0x00000000; /* No error */
-    sdram->cfg = 0x00000000;
-    sdram->ecccfg = 0x00000000; /* No ECC */
-    sdram->eccesr = 0x00000000; /* No error */
-    sdram->pmit = 0x07C00000;
-    sdram->rtr = 0x05F00000;
-    sdram->tr = 0x00854009;
-    /* We pre-initialize RAM banks */
-    sdram->status = 0x00000000;
-    sdram->cfg = 0x00800000;
-}
-
-void ppc4xx_sdram_init (CPUPPCState *env, qemu_irq irq, int nbanks,
-                        MemoryRegion *ram_memories,
-                        hwaddr *ram_bases,
-                        hwaddr *ram_sizes,
-                        int do_init)
-{
-    ppc4xx_sdram_t *sdram;
-
-    sdram = g_malloc0(sizeof(ppc4xx_sdram_t));
-    sdram->irq = irq;
-    sdram->nbanks = nbanks;
-    sdram->ram_memories = ram_memories;
-    memset(sdram->ram_bases, 0, 4 * sizeof(hwaddr));
-    memcpy(sdram->ram_bases, ram_bases,
-           nbanks * sizeof(hwaddr));
-    memset(sdram->ram_sizes, 0, 4 * 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);
-}
-
-/* Fill in consecutive SDRAM banks with 'ram_size' bytes of memory.
- *
- * sdram_bank_sizes[] must be 0-terminated.
- *
- * The 4xx SDRAM controller supports a small number of banks, and each bank
- * must be one of a small set of sizes. The number of banks and the supported
- * sizes varies by SoC. */
-ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks,
-                               MemoryRegion ram_memories[],
-                               hwaddr ram_bases[],
-                               hwaddr ram_sizes[],
-                               const unsigned int sdram_bank_sizes[])
-{
-    ram_addr_t size_left = ram_size;
-    ram_addr_t base = 0;
-    int i;
-    int j;
-
-    for (i = 0; i < nr_banks; i++) {
-        for (j = 0; sdram_bank_sizes[j] != 0; j++) {
-            unsigned int bank_size = sdram_bank_sizes[j];
-
-            if (bank_size <= size_left) {
-                char name[32];
-                snprintf(name, sizeof(name), "ppc4xx.sdram%d", i);
-                memory_region_init_ram(&ram_memories[i], name, bank_size);
-                vmstate_register_ram_global(&ram_memories[i]);
-                ram_bases[i] = base;
-                ram_sizes[i] = bank_size;
-                base += bank_size;
-                size_left -= bank_size;
-                break;
-            }
-        }
-
-        if (!size_left) {
-            /* No need to use the remaining banks. */
-            break;
-        }
-    }
-
-    ram_size -= size_left;
-    if (size_left)
-        printf("Truncating memory to %d MiB to fit SDRAM controller limits.\n",
-               (int)(ram_size >> 20));
-
-    return ram_size;
-}