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hw/arm/omap2: Create the RAM in the board

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The SDRAM is incorrectly created in the OMAP2420 SoC.
Move its creation in the board code, this will later allow the
board to have the QOM ownership of the RAM.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20191021190653.9511-5-philmd@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2019-10-22 16:50:38 +01:00 committed by Peter Maydell
parent 3cd892daa3
commit e285e8678e
3 changed files with 13 additions and 14 deletions
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10
hw/arm/nseries.c
View File

@ -47,6 +47,7 @@
/* Nokia N8x0 support */
struct n800_s {
MemoryRegion sdram;
struct omap_mpu_state_s *mpu;
struct rfbi_chip_s blizzard;
@ -1311,11 +1312,14 @@ static int n810_atag_setup(const struct arm_boot_info *info, void *p)
static void n8x0_init(MachineState *machine,
struct arm_boot_info *binfo, int model)
{
MemoryRegion *sysmem = get_system_memory();
struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
int sdram_size = binfo->ram_size;
uint64_t sdram_size = binfo->ram_size;
s->mpu = omap2420_mpu_init(sysmem, sdram_size, machine->cpu_type);
memory_region_allocate_system_memory(&s->sdram, NULL, "omap2.dram",
sdram_size);
memory_region_add_subregion(get_system_memory(), OMAP2_Q2_BASE, &s->sdram);
s->mpu = omap2420_mpu_init(&s->sdram, machine->cpu_type);
/* Setup peripherals
*

13
hw/arm/omap2.c
View File

@ -22,6 +22,7 @@
#include "qemu/error-report.h"
#include "qapi/error.h"
#include "cpu.h"
#include "exec/address-spaces.h"
#include "sysemu/blockdev.h"
#include "sysemu/qtest.h"
#include "sysemu/reset.h"
@ -2276,8 +2277,7 @@ static const struct dma_irq_map omap2_dma_irq_map[] = {
{ 0, OMAP_INT_24XX_SDMA_IRQ3 },
};
struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
unsigned long sdram_size,
struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sdram,
const char *cpu_type)
{
struct omap_mpu_state_s *s = g_new0(struct omap_mpu_state_s, 1);
@ -2286,11 +2286,11 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
int i;
SysBusDevice *busdev;
struct omap_target_agent_s *ta;
MemoryRegion *sysmem = get_system_memory();
/* Core */
s->mpu_model = omap2420;
s->cpu = ARM_CPU(cpu_create(cpu_type));
s->sdram_size = sdram_size;
s->sram_size = OMAP242X_SRAM_SIZE;
s->wakeup = qemu_allocate_irq(omap_mpu_wakeup, s, 0);
@ -2299,9 +2299,6 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
omap_clk_init(s);
/* Memory-mapped stuff */
memory_region_allocate_system_memory(&s->sdram, NULL, "omap2.dram",
s->sdram_size);
memory_region_add_subregion(sysmem, OMAP2_Q2_BASE, &s->sdram);
memory_region_init_ram(&s->sram, NULL, "omap2.sram", s->sram_size,
&error_fatal);
memory_region_add_subregion(sysmem, OMAP2_SRAM_BASE, &s->sram);
@ -2338,8 +2335,8 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
s->port->addr_valid = omap2_validate_addr;
/* Register SDRAM and SRAM ports for fast DMA transfers. */
soc_dma_port_add_mem(s->dma, memory_region_get_ram_ptr(&s->sdram),
OMAP2_Q2_BASE, s->sdram_size);
soc_dma_port_add_mem(s->dma, memory_region_get_ram_ptr(sdram),
OMAP2_Q2_BASE, memory_region_size(sdram));
soc_dma_port_add_mem(s->dma, memory_region_get_ram_ptr(&s->sram),
OMAP2_SRAM_BASE, s->sram_size);

4
include/hw/arm/omap.h
View File

@ -824,7 +824,6 @@ struct omap_mpu_state_s {
MemoryRegion tap_iomem;
MemoryRegion imif_ram;
MemoryRegion emiff_ram;
MemoryRegion sdram;
MemoryRegion sram;
struct omap_dma_port_if_s {
@ -938,8 +937,7 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
const char *core);
/* omap2.c */
struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
unsigned long sdram_size,
struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sdram,
const char *core);
uint32_t omap_badwidth_read8(void *opaque, hwaddr addr);