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-rw-r--r--Makefile.target3
-rw-r--r--hw/omap.h37
-rw-r--r--hw/omap2.c269
-rw-r--r--hw/omap_l4.c271
4 files changed, 307 insertions, 273 deletions
diff --git a/Makefile.target b/Makefile.target
index df4ff1d3ba..f18553f3bf 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -269,7 +269,8 @@ obj-arm-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
obj-arm-y += gumstix.o
obj-arm-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
obj-arm-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o omap_gpio.o omap_intc.o
-obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o
+obj-arm-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o \
+ omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o omap_l4.o
obj-arm-y += omap_sx1.o palm.o tsc210x.o
obj-arm-y += nseries.o blizzard.o onenand.o vga.o cbus.o tusb6010.o usb-musb.o
obj-arm-y += mst_fpga.o mainstone.o
diff --git a/hw/omap.h b/hw/omap.h
index fef495af0c..34443b456e 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -61,15 +61,40 @@ void omap_clk_setrate(omap_clk clk, int divide, int multiply);
int64_t omap_clk_getrate(omap_clk clk);
void omap_clk_reparent(omap_clk clk, omap_clk parent);
-/* omap[123].c */
+/* OMAP2 l4 Interconnect */
struct omap_l4_s;
+struct omap_l4_region_s {
+ target_phys_addr_t offset;
+ size_t size;
+ int access;
+};
+struct omap_l4_agent_info_s {
+ int ta;
+ int region;
+ int regions;
+ int ta_region;
+};
+struct omap_target_agent_s {
+ struct omap_l4_s *bus;
+ int regions;
+ const struct omap_l4_region_s *start;
+ target_phys_addr_t base;
+ uint32_t component;
+ uint32_t control;
+ uint32_t status;
+};
struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num);
struct omap_target_agent_s;
-struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus, int cs);
+struct omap_target_agent_s *omap_l4ta_get(
+ struct omap_l4_s *bus,
+ const struct omap_l4_region_s *regions,
+ const struct omap_l4_agent_info_s *agents,
+ int cs);
target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
int iotype);
-# define l4_register_io_memory cpu_register_io_memory
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write, void *opaque);
/* OMAP interrupt controller */
struct omap_intr_handler_s;
@@ -1146,10 +1171,4 @@ inline static int debug_register_io_memory(CPUReadMemoryFunc * const *mem_read,
/* Define when we want to reduce the number of IO regions registered. */
/*# define L4_MUX_HACK*/
-# ifdef L4_MUX_HACK
-# undef l4_register_io_memory
-int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
- CPUWriteMemoryFunc * const *mem_write, void *opaque);
-# endif
-
#endif /* hw_omap_h */
diff --git a/hw/omap2.c b/hw/omap2.c
index 9319ffb918..6ebe5c577b 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -795,195 +795,10 @@ static struct omap_sti_s *omap_sti_init(struct omap_target_agent_s *ta,
}
/* L4 Interconnect */
-struct omap_target_agent_s {
- struct omap_l4_s *bus;
- int regions;
- struct omap_l4_region_s *start;
- target_phys_addr_t base;
- uint32_t component;
- uint32_t control;
- uint32_t status;
-};
-
-struct omap_l4_s {
- target_phys_addr_t base;
- int ta_num;
- struct omap_target_agent_s ta[0];
-};
-
-#ifdef L4_MUX_HACK
-static int omap_l4_io_entries;
-static int omap_cpu_io_entry;
-static struct omap_l4_entry {
- CPUReadMemoryFunc * const *mem_read;
- CPUWriteMemoryFunc * const *mem_write;
- void *opaque;
-} *omap_l4_io_entry;
-static CPUReadMemoryFunc * const *omap_l4_io_readb_fn;
-static CPUReadMemoryFunc * const *omap_l4_io_readh_fn;
-static CPUReadMemoryFunc * const *omap_l4_io_readw_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writeb_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writeh_fn;
-static CPUWriteMemoryFunc * const *omap_l4_io_writew_fn;
-static void **omap_l4_io_opaque;
-
-int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
- CPUWriteMemoryFunc * const *mem_write, void *opaque)
-{
- omap_l4_io_entry[omap_l4_io_entries].mem_read = mem_read;
- omap_l4_io_entry[omap_l4_io_entries].mem_write = mem_write;
- omap_l4_io_entry[omap_l4_io_entries].opaque = opaque;
-
- return omap_l4_io_entries ++;
-}
-
-static uint32_t omap_l4_io_readb(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readb_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static uint32_t omap_l4_io_readh(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readh_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static uint32_t omap_l4_io_readw(void *opaque, target_phys_addr_t addr)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_readw_fn[i](omap_l4_io_opaque[i], addr);
-}
-
-static void omap_l4_io_writeb(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writeb_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static void omap_l4_io_writeh(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writeh_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static void omap_l4_io_writew(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
-
- return omap_l4_io_writew_fn[i](omap_l4_io_opaque[i], addr, value);
-}
-
-static CPUReadMemoryFunc * const omap_l4_io_readfn[] = {
- omap_l4_io_readb,
- omap_l4_io_readh,
- omap_l4_io_readw,
-};
-
-static CPUWriteMemoryFunc * const omap_l4_io_writefn[] = {
- omap_l4_io_writeb,
- omap_l4_io_writeh,
- omap_l4_io_writew,
-};
-#endif
-
-struct omap_l4_s *omap_l4_init(target_phys_addr_t base, int ta_num)
-{
- struct omap_l4_s *bus = qemu_mallocz(
- sizeof(*bus) + ta_num * sizeof(*bus->ta));
-
- bus->ta_num = ta_num;
- bus->base = base;
-
-#ifdef L4_MUX_HACK
- omap_l4_io_entries = 1;
- omap_l4_io_entry = qemu_mallocz(125 * sizeof(*omap_l4_io_entry));
-
- omap_cpu_io_entry =
- cpu_register_io_memory(omap_l4_io_readfn,
- omap_l4_io_writefn, bus);
-# define L4_PAGES (0xb4000 / TARGET_PAGE_SIZE)
- omap_l4_io_readb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_readh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_readw_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writeb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writeh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_writew_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
- omap_l4_io_opaque = qemu_mallocz(sizeof(void *) * L4_PAGES);
-#endif
-
- return bus;
-}
-
-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;
-
- switch (addr) {
- case 0x00: /* COMPONENT */
- return s->component;
-
- case 0x20: /* AGENT_CONTROL */
- return s->control;
-
- case 0x28: /* AGENT_STATUS */
- return s->status;
- }
-
- OMAP_BAD_REG(addr);
- return 0;
-}
-
-static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
- uint32_t value)
-{
- struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
-
- switch (addr) {
- case 0x00: /* COMPONENT */
- case 0x28: /* AGENT_STATUS */
- OMAP_RO_REG(addr);
- break;
-
- case 0x20: /* AGENT_CONTROL */
- s->control = value & 0x01000700;
- if (value & 1) /* OCP_RESET */
- s->status &= ~1; /* REQ_TIMEOUT */
- break;
-
- default:
- OMAP_BAD_REG(addr);
- }
-}
-
-static CPUReadMemoryFunc * const omap_l4ta_readfn[] = {
- omap_badwidth_read16,
- omap_l4ta_read,
- omap_badwidth_read16,
-};
-
-static CPUWriteMemoryFunc * const omap_l4ta_writefn[] = {
- omap_badwidth_write32,
- omap_badwidth_write32,
- omap_l4ta_write,
-};
-
#define L4TA(n) (n)
#define L4TAO(n) ((n) + 39)
-static struct omap_l4_region_s {
- target_phys_addr_t offset;
- size_t size;
- int access;
-} omap_l4_region[125] = {
+static const struct omap_l4_region_s omap_l4_region[125] = {
[ 1] = { 0x40800, 0x800, 32 }, /* Initiator agent */
[ 2] = { 0x41000, 0x1000, 32 }, /* Link agent */
[ 0] = { 0x40000, 0x800, 32 }, /* Address and protection */
@@ -1111,12 +926,7 @@ static struct omap_l4_region_s {
[124] = { 0xb3000, 0x1000, 32 | 16 | 8 }, /* L4TA39 */
};
-static struct omap_l4_agent_info_s {
- int ta;
- int region;
- int regions;
- int ta_region;
-} omap_l4_agent_info[54] = {
+static const struct omap_l4_agent_info_s omap_l4_agent_info[54] = {
{ 0, 0, 3, 2 }, /* L4IA initiatior agent */
{ L4TAO(1), 3, 2, 1 }, /* Control and pinout module */
{ L4TAO(2), 5, 2, 1 }, /* 32K timer */
@@ -1173,77 +983,10 @@ static struct omap_l4_agent_info_s {
{ L4TA(39), 123, 2, 1 }, /* HDQ/1-Wire */
};
-#define omap_l4ta(bus, cs) omap_l4ta_get(bus, L4TA(cs))
-#define omap_l4tao(bus, cs) omap_l4ta_get(bus, L4TAO(cs))
-
-struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus, int cs)
-{
- int i, iomemtype;
- struct omap_target_agent_s *ta = NULL;
- struct omap_l4_agent_info_s *info = NULL;
-
- for (i = 0; i < bus->ta_num; i ++)
- if (omap_l4_agent_info[i].ta == cs) {
- ta = &bus->ta[i];
- info = &omap_l4_agent_info[i];
- break;
- }
- if (!ta) {
- fprintf(stderr, "%s: bad target agent (%i)\n", __FUNCTION__, cs);
- exit(-1);
- }
-
- ta->bus = bus;
- ta->start = &omap_l4_region[info->region];
- ta->regions = info->regions;
-
- ta->component = ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
- ta->status = 0x00000000;
- ta->control = 0x00000200; /* XXX 01000200 for L4TAO */
-
- iomemtype = l4_register_io_memory(omap_l4ta_readfn,
- omap_l4ta_writefn, ta);
- ta->base = omap_l4_attach(ta, info->ta_region, iomemtype);
-
- return ta;
-}
-
-target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
- int iotype)
-{
- target_phys_addr_t base;
- ssize_t size;
-#ifdef L4_MUX_HACK
- int i;
-#endif
-
- 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;
- size = ta->start[region].size;
- if (iotype) {
-#ifndef L4_MUX_HACK
- cpu_register_physical_memory(base, size, iotype);
-#else
- cpu_register_physical_memory(base, size, omap_cpu_io_entry);
- i = (base - ta->bus->base) / TARGET_PAGE_SIZE;
- for (; size > 0; size -= TARGET_PAGE_SIZE, i ++) {
- omap_l4_io_readb_fn[i] = omap_l4_io_entry[iotype].mem_read[0];
- omap_l4_io_readh_fn[i] = omap_l4_io_entry[iotype].mem_read[1];
- omap_l4_io_readw_fn[i] = omap_l4_io_entry[iotype].mem_read[2];
- omap_l4_io_writeb_fn[i] = omap_l4_io_entry[iotype].mem_write[0];
- omap_l4_io_writeh_fn[i] = omap_l4_io_entry[iotype].mem_write[1];
- omap_l4_io_writew_fn[i] = omap_l4_io_entry[iotype].mem_write[2];
- omap_l4_io_opaque[i] = omap_l4_io_entry[iotype].opaque;
- }
-#endif
- }
-
- return base;
-}
+#define omap_l4ta(bus, cs) \
+ omap_l4ta_get(bus, omap_l4_region, omap_l4_agent_info, L4TA(cs))
+#define omap_l4tao(bus, cs) \
+ omap_l4ta_get(bus, omap_l4_region, omap_l4_agent_info, L4TAO(cs))
/* Power, Reset, and Clock Management */
struct omap_prcm_s {
diff --git a/hw/omap_l4.c b/hw/omap_l4.c
new file mode 100644
index 0000000000..bf8ba36e99
--- /dev/null
+++ b/hw/omap_l4.c
@@ -0,0 +1,271 @@
+/*
+ * TI OMAP L4 interconnect emulation.
+ *
+ * Copyright (C) 2007-2009 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) any later version of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#include "hw.h"
+#include "omap.h"
+
+#ifdef L4_MUX_HACK
+static int omap_l4_io_entries;
+static int omap_cpu_io_entry;
+static struct omap_l4_entry {
+ CPUReadMemoryFunc * const *mem_read;
+ CPUWriteMemoryFunc * const *mem_write;
+ void *opaque;
+} *omap_l4_io_entry;
+static CPUReadMemoryFunc * const *omap_l4_io_readb_fn;
+static CPUReadMemoryFunc * const *omap_l4_io_readh_fn;
+static CPUReadMemoryFunc * const *omap_l4_io_readw_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writeb_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writeh_fn;
+static CPUWriteMemoryFunc * const *omap_l4_io_writew_fn;
+static void **omap_l4_io_opaque;
+
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write, void *opaque)
+{
+ omap_l4_io_entry[omap_l4_io_entries].mem_read = mem_read;
+ omap_l4_io_entry[omap_l4_io_entries].mem_write = mem_write;
+ omap_l4_io_entry[omap_l4_io_entries].opaque = opaque;
+
+ return omap_l4_io_entries ++;
+}
+
+static uint32_t omap_l4_io_readb(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readb_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static uint32_t omap_l4_io_readh(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readh_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static uint32_t omap_l4_io_readw(void *opaque, target_phys_addr_t addr)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_readw_fn[i](omap_l4_io_opaque[i], addr);
+}
+
+static void omap_l4_io_writeb(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writeb_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static void omap_l4_io_writeh(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writeh_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static void omap_l4_io_writew(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ unsigned int i = (addr - OMAP2_L4_BASE) >> TARGET_PAGE_BITS;
+
+ return omap_l4_io_writew_fn[i](omap_l4_io_opaque[i], addr, value);
+}
+
+static CPUReadMemoryFunc * const omap_l4_io_readfn[] = {
+ omap_l4_io_readb,
+ omap_l4_io_readh,
+ omap_l4_io_readw,
+};
+
+static CPUWriteMemoryFunc * const omap_l4_io_writefn[] = {
+ omap_l4_io_writeb,
+ omap_l4_io_writeh,
+ omap_l4_io_writew,
+};
+#else
+int l4_register_io_memory(CPUReadMemoryFunc * const *mem_read,
+ CPUWriteMemoryFunc * const *mem_write,
+ void *opaque)
+{
+ return cpu_register_io_memory(mem_read, mem_write, opaque);
+}
+#endif
+
+struct omap_l4_s {
+ 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 *bus = qemu_mallocz(
+ sizeof(*bus) + ta_num * sizeof(*bus->ta));
+
+ bus->ta_num = ta_num;
+ bus->base = base;
+
+#ifdef L4_MUX_HACK
+ omap_l4_io_entries = 1;
+ omap_l4_io_entry = qemu_mallocz(125 * sizeof(*omap_l4_io_entry));
+
+ omap_cpu_io_entry =
+ cpu_register_io_memory(omap_l4_io_readfn,
+ omap_l4_io_writefn, bus);
+# define L4_PAGES (0xb4000 / TARGET_PAGE_SIZE)
+ omap_l4_io_readb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_readh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_readw_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writeb_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writeh_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_writew_fn = qemu_mallocz(sizeof(void *) * L4_PAGES);
+ omap_l4_io_opaque = qemu_mallocz(sizeof(void *) * L4_PAGES);
+#endif
+
+ return bus;
+}
+
+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;
+
+ switch (addr) {
+ case 0x00: /* COMPONENT */
+ return s->component;
+
+ case 0x20: /* AGENT_CONTROL */
+ return s->control;
+
+ case 0x28: /* AGENT_STATUS */
+ return s->status;
+ }
+
+ OMAP_BAD_REG(addr);
+ return 0;
+}
+
+static void omap_l4ta_write(void *opaque, target_phys_addr_t addr,
+ uint32_t value)
+{
+ struct omap_target_agent_s *s = (struct omap_target_agent_s *) opaque;
+
+ switch (addr) {
+ case 0x00: /* COMPONENT */
+ case 0x28: /* AGENT_STATUS */
+ OMAP_RO_REG(addr);
+ break;
+
+ case 0x20: /* AGENT_CONTROL */
+ s->control = value & 0x01000700;
+ if (value & 1) /* OCP_RESET */
+ s->status &= ~1; /* REQ_TIMEOUT */
+ break;
+
+ default:
+ OMAP_BAD_REG(addr);
+ }
+}
+
+static CPUReadMemoryFunc * const omap_l4ta_readfn[] = {
+ omap_badwidth_read16,
+ omap_l4ta_read,
+ omap_badwidth_read16,
+};
+
+static CPUWriteMemoryFunc * const omap_l4ta_writefn[] = {
+ omap_badwidth_write32,
+ omap_badwidth_write32,
+ omap_l4ta_write,
+};
+
+struct omap_target_agent_s *omap_l4ta_get(struct omap_l4_s *bus,
+ const struct omap_l4_region_s *regions,
+ const struct omap_l4_agent_info_s *agents,
+ int cs)
+{
+ int i, iomemtype;
+ struct omap_target_agent_s *ta = NULL;
+ const struct omap_l4_agent_info_s *info = NULL;
+
+ for (i = 0; i < bus->ta_num; i ++)
+ if (agents[i].ta == cs) {
+ ta = &bus->ta[i];
+ info = &agents[i];
+ break;
+ }
+ if (!ta) {
+ fprintf(stderr, "%s: bad target agent (%i)\n", __FUNCTION__, cs);
+ exit(-1);
+ }
+
+ ta->bus = bus;
+ ta->start = &regions[info->region];
+ ta->regions = info->regions;
+
+ ta->component = ('Q' << 24) | ('E' << 16) | ('M' << 8) | ('U' << 0);
+ ta->status = 0x00000000;
+ ta->control = 0x00000200; /* XXX 01000200 for L4TAO */
+
+ iomemtype = l4_register_io_memory(omap_l4ta_readfn,
+ omap_l4ta_writefn, ta);
+ ta->base = omap_l4_attach(ta, info->ta_region, iomemtype);
+
+ return ta;
+}
+
+target_phys_addr_t omap_l4_attach(struct omap_target_agent_s *ta, int region,
+ int iotype)
+{
+ target_phys_addr_t base;
+ ssize_t size;
+#ifdef L4_MUX_HACK
+ int i;
+#endif
+
+ 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;
+ size = ta->start[region].size;
+ if (iotype) {
+#ifndef L4_MUX_HACK
+ cpu_register_physical_memory(base, size, iotype);
+#else
+ cpu_register_physical_memory(base, size, omap_cpu_io_entry);
+ i = (base - ta->bus->base) / TARGET_PAGE_SIZE;
+ for (; size > 0; size -= TARGET_PAGE_SIZE, i ++) {
+ omap_l4_io_readb_fn[i] = omap_l4_io_entry[iotype].mem_read[0];
+ omap_l4_io_readh_fn[i] = omap_l4_io_entry[iotype].mem_read[1];
+ omap_l4_io_readw_fn[i] = omap_l4_io_entry[iotype].mem_read[2];
+ omap_l4_io_writeb_fn[i] = omap_l4_io_entry[iotype].mem_write[0];
+ omap_l4_io_writeh_fn[i] = omap_l4_io_entry[iotype].mem_write[1];
+ omap_l4_io_writew_fn[i] = omap_l4_io_entry[iotype].mem_write[2];
+ omap_l4_io_opaque[i] = omap_l4_io_entry[iotype].opaque;
+ }
+#endif
+ }
+
+ return base;
+}