Commit 6f8fd253 authored by Aurelien Jarno's avatar Aurelien Jarno
Browse files

Merge branch 'arm-devs.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm

* 'arm-devs.for-upstream' of git://git.linaro.org/people/pmaydell/qemu-arm:
  Versatile Express: Add modelling of NOR flash
  Versatile Express: Fix NOR flash 0 address and remove flash alias
  hw/armv7m_nvic: Correctly register GIC region when setting up NVIC
  pl190: fix read of VECTADDR
parents d885bdd4 3dc3e7dd
Loading
Loading
Loading
Loading
+2 −1
Original line number Diff line number Diff line
@@ -489,7 +489,8 @@ static int armv7m_nvic_init(SysBusDevice *dev)
     */
    memory_region_init_alias(&s->gic_iomem_alias, "nvic-gic", &s->gic.iomem,
                             0x100, 0xc00);
    memory_region_add_subregion_overlap(&s->container, 0x100, &s->gic.iomem, 1);
    memory_region_add_subregion_overlap(&s->container, 0x100,
                                        &s->gic_iomem_alias, 1);
    /* Map the whole thing into system memory at the location required
     * by the v7M architecture.
     */
+12 −6
Original line number Diff line number Diff line
@@ -117,12 +117,18 @@ static uint64_t pl190_read(void *opaque, target_phys_addr_t offset,
        return s->protected;
    case 12: /* VECTADDR */
        /* Read vector address at the start of an ISR.  Increases the
           current priority level to that of the current interrupt.  */
        for (i = 0; i < s->priority; i++)
          {
            if ((s->level | s->soft_level) & s->prio_mask[i])
         * current priority level to that of the current interrupt.
         *
         * Since an enabled interrupt X at priority P causes prio_mask[Y]
         * to have bit X set for all Y > P, this loop will stop with
         * i == the priority of the highest priority set interrupt.
         */
        for (i = 0; i < s->priority; i++) {
            if ((s->level | s->soft_level) & s->prio_mask[i + 1]) {
                break;
            }
        }

        /* Reading this value with no pending interrupts is undefined.
           We return the default address.  */
        if (i == PL190_NUM_PRIO)
+26 −7
Original line number Diff line number Diff line
@@ -29,8 +29,12 @@
#include "sysemu.h"
#include "boards.h"
#include "exec-memory.h"
#include "blockdev.h"
#include "flash.h"

#define VEXPRESS_BOARD_ID 0x8e0
#define VEXPRESS_FLASH_SIZE (64 * 1024 * 1024)
#define VEXPRESS_FLASH_SECT_SIZE (256 * 1024)

static struct arm_boot_info vexpress_binfo;

@@ -62,7 +66,6 @@ enum {
    VE_COMPACTFLASH,
    VE_CLCD,
    VE_NORFLASH0,
    VE_NORFLASH0ALIAS,
    VE_NORFLASH1,
    VE_SRAM,
    VE_VIDEORAM,
@@ -104,9 +107,8 @@ static target_phys_addr_t motherboard_legacy_map[] = {
};

static target_phys_addr_t motherboard_aseries_map[] = {
    /* CS0: 0x00000000 .. 0x0c000000 */
    [VE_NORFLASH0] = 0x00000000,
    [VE_NORFLASH0ALIAS] = 0x08000000,
    /* CS0: 0x08000000 .. 0x0c000000 */
    [VE_NORFLASH0] = 0x08000000,
    /* CS4: 0x0c000000 .. 0x10000000 */
    [VE_NORFLASH1] = 0x0c000000,
    /* CS5: 0x10000000 .. 0x14000000 */
@@ -357,6 +359,7 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard,
    qemu_irq pic[64];
    uint32_t proc_id;
    uint32_t sys_id;
    DriveInfo *dinfo;
    ram_addr_t vram_size, sram_size;
    MemoryRegion *sysmem = get_system_memory();
    MemoryRegion *vram = g_new(MemoryRegion, 1);
@@ -412,9 +415,25 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard,

    sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);

    /* VE_NORFLASH0: not modelled */
    /* VE_NORFLASH0ALIAS: not modelled */
    /* VE_NORFLASH1: not modelled */
    dinfo = drive_get_next(IF_PFLASH);
    if (!pflash_cfi01_register(map[VE_NORFLASH0], NULL, "vexpress.flash0",
            VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
            VEXPRESS_FLASH_SECT_SIZE,
            VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
            0x00, 0x89, 0x00, 0x18, 0)) {
        fprintf(stderr, "vexpress: error registering flash 0.\n");
        exit(1);
    }

    dinfo = drive_get_next(IF_PFLASH);
    if (!pflash_cfi01_register(map[VE_NORFLASH1], NULL, "vexpress.flash1",
            VEXPRESS_FLASH_SIZE, dinfo ? dinfo->bdrv : NULL,
            VEXPRESS_FLASH_SECT_SIZE,
            VEXPRESS_FLASH_SIZE / VEXPRESS_FLASH_SECT_SIZE, 4,
            0x00, 0x89, 0x00, 0x18, 0)) {
        fprintf(stderr, "vexpress: error registering flash 1.\n");
        exit(1);
    }

    sram_size = 0x2000000;
    memory_region_init_ram(sram, "vexpress.sram", sram_size);