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omap_l4: add memory API variant of omap_l4_attach()

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Also add omap_l4_region_size(), since memory API functions need
the size during initialization.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-23 15:17:36 +02:00
parent a56e423c7c
commit f32261498c
3 changed files with 35 additions and 3 deletions
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7
hw/omap.h
View File

@ -84,7 +84,8 @@ struct omap_target_agent_s {
uint32_t control;
uint32_t status;
};
struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num);
struct omap_l4_s *omap_l4_init(MemoryRegion *address_space,
target_phys_addr_t base, int ta_num);
struct omap_target_agent_s;
struct omap_target_agent_s *omap_l4ta_get(
@ -94,8 +95,12 @@ struct omap_target_agent_s *omap_l4ta_get(
int cs);
target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
int iotype);
target_phys_addr_t omap_l4_attach_region(struct omap_target_agent_s *ta,
int region, MemoryRegion *mr);
target_phys_addr_t omap_l4_region_base(struct omap_target_agent_s *ta,
int region);
target_phys_addr_t omap_l4_region_size(struct omap_target_agent_s *ta,
int region);
/* OMAP2 SDRAM controller */
struct omap_sdrc_s;

2
hw/omap2.c
View File

@ -2260,7 +2260,7 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
(sram_base = qemu_ram_alloc(NULL, "omap2.sram",
s->sram_size)) | IO_MEM_RAM);
s->l4 = omap_l4_init(OMAP2_L4_BASE, 54);
s->l4 = omap_l4_init(sysmem, OMAP2_L4_BASE, 54);
/* Actually mapped at any 2K boundary in the ARM11 private-peripheral if */
cpu_irq = arm_pic_init_cpu(s->env);

29
hw/omap_l4.c
View File

@ -21,16 +21,19 @@
#include "omap.h"
struct omap_l4_s {
MemoryRegion *address_space;
target_phys_addr_t base;
int ta_num;
struct omap_target_agent_s ta[0];
};
struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num)
struct omap_l4_s *omap_l4_init(MemoryRegion *address_space,
target_phys_addr_t base, int ta_num)
{
struct omap_l4_s *bus = g_malloc0(
sizeof(*bus) + ta_num * sizeof(*bus->ta));
bus->address_space = address_space;
bus->ta_num = ta_num;
bus->base = base;
@ -43,6 +46,12 @@ target_phys_addr_t omap_l4_region_base(struct omap_target_agent_s *ta,
return ta->bus->base + ta->start[region].offset;
}
target_phys_addr_t omap_l4_region_size(struct omap_target_agent_s *ta,
int region)
{
return ta->start[region].size;
}
static uint32_t omap_l4ta_read(void *opaque, target_phys_addr_t addr)
{
struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
@ -150,3 +159,21 @@ target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
return base;
}
target_phys_addr_t omap_l4_attach_region(struct omap_target_agent_s *ta,
int region, MemoryRegion *mr)
{
target_phys_addr_t base;
if (region < 0 || region >= ta->regions) {
fprintf(stderr, "%s: bad io region (%i)\n", __FUNCTION__, region);
exit(-1);
}
base = ta->bus->base + ta->start[region].offset;
if (mr) {
memory_region_add_subregion(ta->bus->address_space, base, mr);
}
return base;
}