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-rw-r--r--hw/omap.h7
-rw-r--r--hw/omap2.c2
-rw-r--r--hw/omap_l4.c29
3 files changed, 35 insertions, 3 deletions
diff --git a/hw/omap.h b/hw/omap.h
index d12f4027a..367ba11ba 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -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;
diff --git a/hw/omap2.c b/hw/omap2.c
index 8a0fa7319..5fc3fcf6f 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -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);
diff --git a/hw/omap_l4.c b/hw/omap_l4.c
index a19ea702d..a0bed5cdb 100644
--- a/hw/omap_l4.c
+++ b/hw/omap_l4.c
@@ -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;
+}