[Qemu-devel] [PATCH v5 06/14] arm: Instantiate NRF51 special NVM's and NVMC

[Steffen Görtz]

Instantiates UICR, FICR, FLASH and NVMC in nRF51 SOC.

Signed-off-by: Steffen Görtz <cont...@steffen-goertz.de>
---
 hw/arm/nrf51_soc.c         | 43 +++++++++++++++++++++++++++-----------
 include/hw/arm/nrf51_soc.h |  2 ++
 2 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/hw/arm/nrf51_soc.c b/hw/arm/nrf51_soc.c
index d2a19b8ead..e6956f9ef7 100644
--- a/hw/arm/nrf51_soc.c
+++ b/hw/arm/nrf51_soc.c
@@ -29,8 +29,10 @@
  * are supported in the future, add a sub-class of NRF51SoC for
  * the specific variants
  */
-#define NRF51822_FLASH_SIZE     (256 * NRF51_PAGE_SIZE)
-#define NRF51822_SRAM_SIZE      (16 * NRF51_PAGE_SIZE)
+#define NRF51822_FLASH_PAGES    256
+#define NRF51822_SRAM_PAGES     16
+#define NRF51822_FLASH_SIZE     (NRF51822_FLASH_PAGES * NRF51_PAGE_SIZE)
+#define NRF51822_SRAM_SIZE      (NRF51822_SRAM_PAGES * NRF51_PAGE_SIZE)
 
 #define BASE_TO_IRQ(base) ((base >> 12) & 0x1F)
 
@@ -59,14 +61,6 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error 
**errp)
 
     memory_region_add_subregion_overlap(&s->container, 0, s->board_memory, -1);
 
-    memory_region_init_rom(&s->flash, OBJECT(s), "nrf51.flash", s->flash_size,
-            &err);
-    if (err) {
-        error_propagate(errp, err);
-        return;
-    }
-    memory_region_add_subregion(&s->container, NRF51_FLASH_BASE, &s->flash);
-
     memory_region_init_ram(&s->sram, NULL, "nrf51.sram", s->sram_size, &err);
     if (err) {
         error_propagate(errp, err);
@@ -99,10 +93,32 @@ static void nrf51_soc_realize(DeviceState *dev_soc, Error 
**errp)
                        qdev_get_gpio_in(DEVICE(&s->cpu),
                        BASE_TO_IRQ(NRF51_RNG_BASE)));
 
+    /* UICR, FICR, NVMC, FLASH */
+    object_property_set_uint(OBJECT(&s->nvm), s->flash_size, "flash-size",
+                             &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    object_property_set_bool(OBJECT(&s->nvm), true, "realized", &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 0);
+    memory_region_add_subregion_overlap(&s->container, NRF51_NVMC_BASE, mr, 0);
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 1);
+    memory_region_add_subregion_overlap(&s->container, NRF51_FICR_BASE, mr, 0);
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 2);
+    memory_region_add_subregion_overlap(&s->container, NRF51_UICR_BASE, mr, 0);
+    mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->nvm), 3);
+    memory_region_add_subregion_overlap(&s->container, NRF51_FLASH_BASE, mr, 
0);
+
+
     create_unimplemented_device("nrf51_soc.io", NRF51_IOMEM_BASE,
                                 NRF51_IOMEM_SIZE);
-    create_unimplemented_device("nrf51_soc.ficr", NRF51_FICR_BASE,
-                                NRF51_FICR_SIZE);
     create_unimplemented_device("nrf51_soc.private",
                                 NRF51_PRIVATE_BASE, NRF51_PRIVATE_SIZE);
 }
@@ -126,6 +142,9 @@ static void nrf51_soc_init(Object *obj)
 
     sysbus_init_child_obj(obj, "rng", &s->rng, sizeof(s->rng),
                            TYPE_NRF51_RNG);
+
+    sysbus_init_child_obj(obj, "nvm", &s->nvm, sizeof(s->nvm), TYPE_NRF51_NVM);
+
 }
 
 static Property nrf51_soc_properties[] = {
diff --git a/include/hw/arm/nrf51_soc.h b/include/hw/arm/nrf51_soc.h
index 9e3ba916bd..c3f4d5bcdc 100644
--- a/include/hw/arm/nrf51_soc.h
+++ b/include/hw/arm/nrf51_soc.h
@@ -14,6 +14,7 @@
 #include "hw/arm/armv7m.h"
 #include "hw/char/nrf51_uart.h"
 #include "hw/misc/nrf51_rng.h"
+#include "hw/nvram/nrf51_nvm.h"
 
 #define TYPE_NRF51_SOC "nrf51-soc"
 #define NRF51_SOC(obj) \
@@ -28,6 +29,7 @@ typedef struct NRF51State {
 
     NRF51UARTState uart;
     NRF51RNGState rng;
+    NRF51NVMState nvm;
 
     MemoryRegion iomem;
     MemoryRegion sram;
-- 
2.19.1