diff mbox

[v9,06/20] i.MX: Split CCM emulator in a header file and a source file

Message ID 1436020463-2026-1-git-send-email-jcd@tribudubois.net
State New
Headers show

Commit Message

Jean-Christophe Dubois July 4, 2015, 2:34 p.m. UTC
Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
---

Changes since v1:
    * not present on v1

Changes since v2:
    * not present on v2

Changes since v3:
    * not present on v3

Changes since v4:
    * not present on v4

Changes since v5:
    * not present on v5

Changes since v6:
    * not present on v6

Changes since v7:
    * Splited the i.MX CCM emulator into a header file and a source file

Changes since v8:
    * no change

 hw/misc/imx_ccm.c         | 70 ++----------------------------------
 include/hw/arm/imx.h      | 10 ------
 include/hw/misc/imx_ccm.h | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 77 deletions(-)
 create mode 100644 include/hw/misc/imx_ccm.h

Comments

Peter Crosthwaite July 5, 2015, 4:17 a.m. UTC | #1
You need a commit message body. In trival ones like this I usally just
repeat the what with some why.

"Split CCM state struct and register defs into a header file to
prepare support for use in a SoC device"

On Sat, Jul 4, 2015 at 7:34 AM, Jean-Christophe Dubois
<jcd@tribudubois.net> wrote:
> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net>
> ---
>
> Changes since v1:
>     * not present on v1
>
> Changes since v2:
>     * not present on v2
>
> Changes since v3:
>     * not present on v3
>
> Changes since v4:
>     * not present on v4
>
> Changes since v5:
>     * not present on v5
>
> Changes since v6:
>     * not present on v6
>
> Changes since v7:
>     * Splited the i.MX CCM emulator into a header file and a source file
>
> Changes since v8:
>     * no change
>
>  hw/misc/imx_ccm.c         | 70 ++----------------------------------
>  include/hw/arm/imx.h      | 10 ------
>  include/hw/misc/imx_ccm.h | 91 +++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 94 insertions(+), 77 deletions(-)
>  create mode 100644 include/hw/misc/imx_ccm.h
>
> diff --git a/hw/misc/imx_ccm.c b/hw/misc/imx_ccm.c
> index 0920288..2e9bd9c 100644
> --- a/hw/misc/imx_ccm.c
> +++ b/hw/misc/imx_ccm.c
> @@ -2,6 +2,7 @@
>   * IMX31 Clock Control Module
>   *
>   * Copyright (C) 2012 NICTA
> + * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
>   *
>   * This work is licensed under the terms of the GNU GPL, version 2 or later.
>   * See the COPYING file in the top-level directory.
> @@ -10,10 +11,7 @@
>   * the CCM.
>   */
>
> -#include "hw/hw.h"
> -#include "hw/sysbus.h"
> -#include "sysemu/sysemu.h"
> -#include "hw/arm/imx.h"
> +#include "hw/misc/imx_ccm.h"
>
>  #define CKIH_FREQ 26000000 /* 26MHz crystal input */
>  #define CKIL_FREQ    32768 /* nominal 32khz clock */
> @@ -29,30 +27,6 @@ do { printf("imx_ccm: " fmt , ##args); } while (0)
>
>  static int imx_ccm_post_load(void *opaque, int version_id);
>
> -#define TYPE_IMX_CCM "imx_ccm"
> -#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
> -
> -typedef struct IMXCCMState {
> -    SysBusDevice parent_obj;
> -
> -    MemoryRegion iomem;
> -
> -    uint32_t ccmr;
> -    uint32_t pdr0;
> -    uint32_t pdr1;
> -    uint32_t mpctl;
> -    uint32_t spctl;
> -    uint32_t cgr[3];
> -    uint32_t pmcr0;
> -    uint32_t pmcr1;
> -
> -    /* Frequencies precalculated on register changes */
> -    uint32_t pll_refclk_freq;
> -    uint32_t mcu_clk_freq;
> -    uint32_t hsp_clk_freq;
> -    uint32_t ipg_clk_freq;
> -} IMXCCMState;
> -
>  static const VMStateDescription vmstate_imx_ccm = {
>      .name = "imx-ccm",
>      .version_id = 1,
> @@ -72,44 +46,6 @@ static const VMStateDescription vmstate_imx_ccm = {
>      .post_load = imx_ccm_post_load,
>  };
>
> -/* CCMR */
> -#define CCMR_FPME (1<<0)
> -#define CCMR_MPE  (1<<3)
> -#define CCMR_MDS  (1<<7)
> -#define CCMR_FPMF (1<<26)
> -#define CCMR_PRCS (3<<1)
> -
> -/* PDR0 */
> -#define PDR0_MCU_PODF_SHIFT (0)
> -#define PDR0_MCU_PODF_MASK (0x7)
> -#define PDR0_MAX_PODF_SHIFT (3)
> -#define PDR0_MAX_PODF_MASK (0x7)
> -#define PDR0_IPG_PODF_SHIFT (6)
> -#define PDR0_IPG_PODF_MASK (0x3)
> -#define PDR0_NFC_PODF_SHIFT (8)
> -#define PDR0_NFC_PODF_MASK (0x7)
> -#define PDR0_HSP_PODF_SHIFT (11)
> -#define PDR0_HSP_PODF_MASK (0x7)
> -#define PDR0_PER_PODF_SHIFT (16)
> -#define PDR0_PER_PODF_MASK (0x1f)
> -#define PDR0_CSI_PODF_SHIFT (23)
> -#define PDR0_CSI_PODF_MASK (0x1ff)
> -
> -#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \
> -                              & PDR0_##name##_PODF_MASK)
> -#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \
> -                             PDR0_##name##_PODF_SHIFT)
> -/* PLL control registers */
> -#define PD(v) (((v) >> 26) & 0xf)
> -#define MFD(v) (((v) >> 16) & 0x3ff)
> -#define MFI(v) (((v) >> 10) & 0xf);
> -#define MFN(v) ((v) & 0x3ff)
> -
> -#define PLL_PD(x)               (((x) & 0xf) << 26)
> -#define PLL_MFD(x)              (((x) & 0x3ff) << 16)
> -#define PLL_MFI(x)              (((x) & 0xf) << 10)
> -#define PLL_MFN(x)              (((x) & 0x3ff) << 0)
> -
>  uint32_t imx_clock_frequency(DeviceState *dev, IMXClk clock)
>  {
>      IMXCCMState *s = IMX_CCM(dev);
> @@ -286,7 +222,7 @@ static int imx_ccm_init(SysBusDevice *dev)
>      IMXCCMState *s = IMX_CCM(dev);
>
>      memory_region_init_io(&s->iomem, OBJECT(dev), &imx_ccm_ops, s,
> -                          "imx_ccm", 0x1000);
> +                          TYPE_IMX_CCM, 0x1000);
>      sysbus_init_mmio(dev, &s->iomem);
>
>      return 0;
> diff --git a/include/hw/arm/imx.h b/include/hw/arm/imx.h
> index c39f112..6cb90cc 100644
> --- a/include/hw/arm/imx.h
> +++ b/include/hw/arm/imx.h
> @@ -11,16 +11,6 @@
>  #ifndef IMX_H
>  #define IMX_H
>
> -typedef enum  {
> -    NOCLK,
> -    MCU,
> -    HSP,
> -    IPG,
> -    CLK_32k
> -} IMXClk;
> -
> -uint32_t imx_clock_frequency(DeviceState *s, IMXClk clock);
> -
>  void imx_timerp_create(const hwaddr addr,
>                        qemu_irq irq,
>                        DeviceState *ccm);
> diff --git a/include/hw/misc/imx_ccm.h b/include/hw/misc/imx_ccm.h
> new file mode 100644
> index 0000000..7febafd
> --- /dev/null
> +++ b/include/hw/misc/imx_ccm.h
> @@ -0,0 +1,91 @@
> +/*
> + * IMX31 Clock Control Module
> + *
> + * Copyright (C) 2012 NICTA
> + * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
> + *
> + * This work is licensed under the terms of the GNU GPL, version 2 or later.
> + * See the COPYING file in the top-level directory.
> + */
> +
> +#ifndef IMX_CCM_H
> +#define IMX_CCM_H
> +
> +#include "hw/sysbus.h"
> +
> +/* CCMR */
> +#define CCMR_FPME (1<<0)
> +#define CCMR_MPE  (1<<3)
> +#define CCMR_MDS  (1<<7)
> +#define CCMR_FPMF (1<<26)
> +#define CCMR_PRCS (3<<1)
> +
> +/* PDR0 */
> +#define PDR0_MCU_PODF_SHIFT (0)
> +#define PDR0_MCU_PODF_MASK (0x7)
> +#define PDR0_MAX_PODF_SHIFT (3)
> +#define PDR0_MAX_PODF_MASK (0x7)
> +#define PDR0_IPG_PODF_SHIFT (6)
> +#define PDR0_IPG_PODF_MASK (0x3)
> +#define PDR0_NFC_PODF_SHIFT (8)
> +#define PDR0_NFC_PODF_MASK (0x7)
> +#define PDR0_HSP_PODF_SHIFT (11)
> +#define PDR0_HSP_PODF_MASK (0x7)
> +#define PDR0_PER_PODF_SHIFT (16)
> +#define PDR0_PER_PODF_MASK (0x1f)
> +#define PDR0_CSI_PODF_SHIFT (23)
> +#define PDR0_CSI_PODF_MASK (0x1ff)
> +
> +#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \
> +                              & PDR0_##name##_PODF_MASK)
> +#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \
> +                             PDR0_##name##_PODF_SHIFT)
> +
> +/* PLL control registers */
> +#define PD(v) (((v) >> 26) & 0xf)
> +#define MFD(v) (((v) >> 16) & 0x3ff)
> +#define MFI(v) (((v) >> 10) & 0xf);
> +#define MFN(v) ((v) & 0x3ff)
> +
> +#define PLL_PD(x)               (((x) & 0xf) << 26)
> +#define PLL_MFD(x)              (((x) & 0x3ff) << 16)
> +#define PLL_MFI(x)              (((x) & 0xf) << 10)
> +#define PLL_MFN(x)              (((x) & 0x3ff) << 0)
> +
> +#define TYPE_IMX_CCM "imx.ccm"

You should mention this addition in commit message.

> +#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
> +
> +typedef struct {

Keep the IMXCCMState from original code. Most typedef struct defs do
the double define.

"Add missing macro for QOM type name in new header".

Otherwise:

Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

Regards,
Peter
> +    /* <private> */
> +    SysBusDevice parent_obj;
> +
> +    /* <public> */
> +    MemoryRegion iomem;
> +
> +    uint32_t ccmr;
> +    uint32_t pdr0;
> +    uint32_t pdr1;
> +    uint32_t mpctl;
> +    uint32_t spctl;
> +    uint32_t cgr[3];
> +    uint32_t pmcr0;
> +    uint32_t pmcr1;
> +
> +    /* Frequencies precalculated on register changes */
> +    uint32_t pll_refclk_freq;
> +    uint32_t mcu_clk_freq;
> +    uint32_t hsp_clk_freq;
> +    uint32_t ipg_clk_freq;
> +} IMXCCMState;
> +
> +typedef enum  {
> +    NOCLK,
> +    MCU,
> +    HSP,
> +    IPG,
> +    CLK_32k
> +} IMXClk;
> +
> +uint32_t imx_clock_frequency(DeviceState *s, IMXClk clock);
> +
> +#endif /* IMX_CCM_H */
> --
> 2.1.4
>
>
diff mbox

Patch

diff --git a/hw/misc/imx_ccm.c b/hw/misc/imx_ccm.c
index 0920288..2e9bd9c 100644
--- a/hw/misc/imx_ccm.c
+++ b/hw/misc/imx_ccm.c
@@ -2,6 +2,7 @@ 
  * IMX31 Clock Control Module
  *
  * Copyright (C) 2012 NICTA
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
  *
  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
@@ -10,10 +11,7 @@ 
  * the CCM.
  */
 
-#include "hw/hw.h"
-#include "hw/sysbus.h"
-#include "sysemu/sysemu.h"
-#include "hw/arm/imx.h"
+#include "hw/misc/imx_ccm.h"
 
 #define CKIH_FREQ 26000000 /* 26MHz crystal input */
 #define CKIL_FREQ    32768 /* nominal 32khz clock */
@@ -29,30 +27,6 @@  do { printf("imx_ccm: " fmt , ##args); } while (0)
 
 static int imx_ccm_post_load(void *opaque, int version_id);
 
-#define TYPE_IMX_CCM "imx_ccm"
-#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
-
-typedef struct IMXCCMState {
-    SysBusDevice parent_obj;
-
-    MemoryRegion iomem;
-
-    uint32_t ccmr;
-    uint32_t pdr0;
-    uint32_t pdr1;
-    uint32_t mpctl;
-    uint32_t spctl;
-    uint32_t cgr[3];
-    uint32_t pmcr0;
-    uint32_t pmcr1;
-
-    /* Frequencies precalculated on register changes */
-    uint32_t pll_refclk_freq;
-    uint32_t mcu_clk_freq;
-    uint32_t hsp_clk_freq;
-    uint32_t ipg_clk_freq;
-} IMXCCMState;
-
 static const VMStateDescription vmstate_imx_ccm = {
     .name = "imx-ccm",
     .version_id = 1,
@@ -72,44 +46,6 @@  static const VMStateDescription vmstate_imx_ccm = {
     .post_load = imx_ccm_post_load,
 };
 
-/* CCMR */
-#define CCMR_FPME (1<<0)
-#define CCMR_MPE  (1<<3)
-#define CCMR_MDS  (1<<7)
-#define CCMR_FPMF (1<<26)
-#define CCMR_PRCS (3<<1)
-
-/* PDR0 */
-#define PDR0_MCU_PODF_SHIFT (0)
-#define PDR0_MCU_PODF_MASK (0x7)
-#define PDR0_MAX_PODF_SHIFT (3)
-#define PDR0_MAX_PODF_MASK (0x7)
-#define PDR0_IPG_PODF_SHIFT (6)
-#define PDR0_IPG_PODF_MASK (0x3)
-#define PDR0_NFC_PODF_SHIFT (8)
-#define PDR0_NFC_PODF_MASK (0x7)
-#define PDR0_HSP_PODF_SHIFT (11)
-#define PDR0_HSP_PODF_MASK (0x7)
-#define PDR0_PER_PODF_SHIFT (16)
-#define PDR0_PER_PODF_MASK (0x1f)
-#define PDR0_CSI_PODF_SHIFT (23)
-#define PDR0_CSI_PODF_MASK (0x1ff)
-
-#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \
-                              & PDR0_##name##_PODF_MASK)
-#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \
-                             PDR0_##name##_PODF_SHIFT)
-/* PLL control registers */
-#define PD(v) (((v) >> 26) & 0xf)
-#define MFD(v) (((v) >> 16) & 0x3ff)
-#define MFI(v) (((v) >> 10) & 0xf);
-#define MFN(v) ((v) & 0x3ff)
-
-#define PLL_PD(x)               (((x) & 0xf) << 26)
-#define PLL_MFD(x)              (((x) & 0x3ff) << 16)
-#define PLL_MFI(x)              (((x) & 0xf) << 10)
-#define PLL_MFN(x)              (((x) & 0x3ff) << 0)
-
 uint32_t imx_clock_frequency(DeviceState *dev, IMXClk clock)
 {
     IMXCCMState *s = IMX_CCM(dev);
@@ -286,7 +222,7 @@  static int imx_ccm_init(SysBusDevice *dev)
     IMXCCMState *s = IMX_CCM(dev);
 
     memory_region_init_io(&s->iomem, OBJECT(dev), &imx_ccm_ops, s,
-                          "imx_ccm", 0x1000);
+                          TYPE_IMX_CCM, 0x1000);
     sysbus_init_mmio(dev, &s->iomem);
 
     return 0;
diff --git a/include/hw/arm/imx.h b/include/hw/arm/imx.h
index c39f112..6cb90cc 100644
--- a/include/hw/arm/imx.h
+++ b/include/hw/arm/imx.h
@@ -11,16 +11,6 @@ 
 #ifndef IMX_H
 #define IMX_H
 
-typedef enum  {
-    NOCLK,
-    MCU,
-    HSP,
-    IPG,
-    CLK_32k
-} IMXClk;
-
-uint32_t imx_clock_frequency(DeviceState *s, IMXClk clock);
-
 void imx_timerp_create(const hwaddr addr,
                       qemu_irq irq,
                       DeviceState *ccm);
diff --git a/include/hw/misc/imx_ccm.h b/include/hw/misc/imx_ccm.h
new file mode 100644
index 0000000..7febafd
--- /dev/null
+++ b/include/hw/misc/imx_ccm.h
@@ -0,0 +1,91 @@ 
+/*
+ * IMX31 Clock Control Module
+ *
+ * Copyright (C) 2012 NICTA
+ * Updated by Jean-Christophe Dubois <jcd@tribudubois.net>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef IMX_CCM_H
+#define IMX_CCM_H
+
+#include "hw/sysbus.h"
+
+/* CCMR */
+#define CCMR_FPME (1<<0)
+#define CCMR_MPE  (1<<3)
+#define CCMR_MDS  (1<<7)
+#define CCMR_FPMF (1<<26)
+#define CCMR_PRCS (3<<1)
+
+/* PDR0 */
+#define PDR0_MCU_PODF_SHIFT (0)
+#define PDR0_MCU_PODF_MASK (0x7)
+#define PDR0_MAX_PODF_SHIFT (3)
+#define PDR0_MAX_PODF_MASK (0x7)
+#define PDR0_IPG_PODF_SHIFT (6)
+#define PDR0_IPG_PODF_MASK (0x3)
+#define PDR0_NFC_PODF_SHIFT (8)
+#define PDR0_NFC_PODF_MASK (0x7)
+#define PDR0_HSP_PODF_SHIFT (11)
+#define PDR0_HSP_PODF_MASK (0x7)
+#define PDR0_PER_PODF_SHIFT (16)
+#define PDR0_PER_PODF_MASK (0x1f)
+#define PDR0_CSI_PODF_SHIFT (23)
+#define PDR0_CSI_PODF_MASK (0x1ff)
+
+#define EXTRACT(value, name) (((value) >> PDR0_##name##_PODF_SHIFT) \
+                              & PDR0_##name##_PODF_MASK)
+#define INSERT(value, name) (((value) & PDR0_##name##_PODF_MASK) << \
+                             PDR0_##name##_PODF_SHIFT)
+
+/* PLL control registers */
+#define PD(v) (((v) >> 26) & 0xf)
+#define MFD(v) (((v) >> 16) & 0x3ff)
+#define MFI(v) (((v) >> 10) & 0xf);
+#define MFN(v) ((v) & 0x3ff)
+
+#define PLL_PD(x)               (((x) & 0xf) << 26)
+#define PLL_MFD(x)              (((x) & 0x3ff) << 16)
+#define PLL_MFI(x)              (((x) & 0xf) << 10)
+#define PLL_MFN(x)              (((x) & 0x3ff) << 0)
+
+#define TYPE_IMX_CCM "imx.ccm"
+#define IMX_CCM(obj) OBJECT_CHECK(IMXCCMState, (obj), TYPE_IMX_CCM)
+
+typedef struct {
+    /* <private> */
+    SysBusDevice parent_obj;
+
+    /* <public> */
+    MemoryRegion iomem;
+
+    uint32_t ccmr;
+    uint32_t pdr0;
+    uint32_t pdr1;
+    uint32_t mpctl;
+    uint32_t spctl;
+    uint32_t cgr[3];
+    uint32_t pmcr0;
+    uint32_t pmcr1;
+
+    /* Frequencies precalculated on register changes */
+    uint32_t pll_refclk_freq;
+    uint32_t mcu_clk_freq;
+    uint32_t hsp_clk_freq;
+    uint32_t ipg_clk_freq;
+} IMXCCMState;
+
+typedef enum  {
+    NOCLK,
+    MCU,
+    HSP,
+    IPG,
+    CLK_32k
+} IMXClk;
+
+uint32_t imx_clock_frequency(DeviceState *s, IMXClk clock);
+
+#endif /* IMX_CCM_H */