[PATCH v03 0/3] arm: introduce basic DRA7 platform support

[PATCH v03 0/3] arm: introduce basic DRA7 platform support

[Andrii Tseglytskyi]

The following patch series adds basic support needed for DRA7
evm board.

v02 changes:
- DRA7 data is introduced in existing OMAP5 data file
- Useless header removed
- Comments are addressed

v03 changes:
- DRA7 uses standalone compatible list

Andrii Anisov (1):
  xen/dt: add match for non-available nodes

Andrii Tseglytskyi (2):
  xen/arm: dra7: Add UART base address for early logging
  xen/arm: add DRA7 platform definition

 xen/arch/arm/Rules.mk          |    5 +++++
 xen/arch/arm/platforms/omap5.c |   30 +++++++++++++++++++++++++++++-
 xen/common/device_tree.c       |    6 +++++-
 xen/include/xen/device_tree.h  |    2 ++
 4 files changed, 41 insertions(+), 2 deletions(-)

-- 
1.7.9.5

[PATCH v03 1/3] xen/dt: add match for non-available nodes

[Andrii Tseglytskyi]

From: Andrii Anisov <andrii.anisov@globallogic.com>

Signed-off-by: Andrii Anisov <andrii.anisov@globallogic.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
---
 xen/common/device_tree.c      |    6 +++++-
 xen/include/xen/device_tree.h |    2 ++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
index 55716a8..b14d060 100644
--- a/xen/common/device_tree.c
+++ b/xen/common/device_tree.c
@@ -692,7 +692,8 @@ bool_t dt_match_node(const struct dt_device_match *matches,
     if ( !matches )
         return 0;
 
-    while ( matches->path || matches->type || matches->compatible )
+    while ( matches->path || matches->type ||
+            matches->compatible || matches->not_available )
     {
         bool_t match = 1;
 
@@ -705,6 +706,9 @@ bool_t dt_match_node(const struct dt_device_match *matches,
         if ( matches->compatible )
             match &= dt_device_is_compatible(node, matches->compatible);
 
+        if ( matches->not_available )
+            match &= !dt_device_is_available(node);
+
         if ( match )
             return match;
 
diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h
index 9a8c3de..a2e1f2a 100644
--- a/xen/include/xen/device_tree.h
+++ b/xen/include/xen/device_tree.h
@@ -62,11 +62,13 @@ struct dt_device_match {
     const char *path;
     const char *type;
     const char *compatible;
+    const bool_t not_available;
 };
 
 #define DT_MATCH_PATH(p)                { .path = p }
 #define DT_MATCH_TYPE(typ)              { .type = typ }
 #define DT_MATCH_COMPATIBLE(compat)     { .compatible = compat }
+#define DT_MATCH_NOT_AVAILABLE()        { .not_available = 1 }
 
 typedef u32 dt_phandle;
 
-- 
1.7.9.5

[PATCH v03 2/3] xen/arm: dra7: Add UART base address for early logging

[Andrii Tseglytskyi]

DRA7 platform uses UART1 for console logging. Patch adds
its address to make early printk working.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
Acked-by: Julien Grall <julien.grall@linaro.org>
---
 xen/arch/arm/Rules.mk |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk
index aa2e79f..7552d40 100644
--- a/xen/arch/arm/Rules.mk
+++ b/xen/arch/arm/Rules.mk
@@ -67,6 +67,11 @@ EARLY_PRINTK_INC := 8250
 EARLY_UART_BASE_ADDRESS := 0x48020000
 EARLY_UART_REG_SHIFT := 2
 endif
+ifeq ($(CONFIG_EARLY_PRINTK), dra7)
+EARLY_PRINTK_INC := 8250
+EARLY_UART_BASE_ADDRESS := 0x4806A000
+EARLY_UART_REG_SHIFT := 2
+endif
 ifeq ($(CONFIG_EARLY_PRINTK), sun6i)
 EARLY_PRINTK_INC := 8250
 EARLY_UART_BASE_ADDRESS := 0x01c28000
-- 
1.7.9.5

[PATCH v03 3/3] xen/arm: add DRA7 platform definition

[Andrii Tseglytskyi]

DRA7 platform definition is added to already existing
OMAP5 data. Data definitions, needed for DRA7 are
almost common for OMAP5 family.

Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
---
 xen/arch/arm/platforms/omap5.c |   30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/platforms/omap5.c b/xen/arch/arm/platforms/omap5.c
index 76d4d9b..c0f8537 100644
--- a/xen/arch/arm/platforms/omap5.c
+++ b/xen/arch/arm/platforms/omap5.c
@@ -144,12 +144,29 @@ static int __init omap5_smp_init(void)
     return 0;
 }
 
-static const char const *omap5_dt_compat[] __initconst =
+static const char * const omap5_dt_compat[] __initconst =
 {
     "ti,omap5",
     NULL
 };
 
+static const char * const dra7_dt_compat[] __initconst =
+{
+    "ti,dra7",
+    NULL
+};
+
+static const struct dt_device_match dra7_blacklist_dev[] __initconst =
+{
+    /* OMAP Linux kernel handles devices with status "disabled" in a
+     * weird manner - tries to reset them. While their memory ranges
+     * are not mapped, this leads to data aborts, so skip these devices
+     * from DT for dom0.
+     */
+    DT_MATCH_NOT_AVAILABLE(),
+    { /* sentinel */ },
+};
+
 PLATFORM_START(omap5, "TI OMAP5")
     .compatible = omap5_dt_compat,
     .init_time = omap5_init_time,
@@ -161,6 +178,17 @@ PLATFORM_START(omap5, "TI OMAP5")
     .dom0_gnttab_size = 0x20000,
 PLATFORM_END
 
+PLATFORM_START(dra7, "TI DRA7")
+    .compatible = dra7_dt_compat,
+    .init_time = omap5_init_time,
+    .cpu_up = cpu_up_send_sgi,
+    .smp_init = omap5_smp_init,
+
+    .dom0_gnttab_start = 0x4b000000,
+    .dom0_gnttab_size = 0x20000,
+    .blacklist_dev = dra7_blacklist_dev,
+PLATFORM_END
+
 /*
  * Local variables:
  * mode: C
-- 
1.7.9.5

Re: [PATCH v03 3/3] xen/arm: add DRA7 platform definition

[Julien Grall]

Hi Andrii,

On 07/03/2014 10:55 AM, Andrii Tseglytskyi wrote:
> DRA7 platform definition is added to already existing
> OMAP5 data. Data definitions, needed for DRA7 are
> almost common for OMAP5 family.
> 
> Signed-off-by: Andrii Tseglytskyi <andrii.tseglytskyi@globallogic.com>
Acked-by: Julien Grall <julien.grall@linaro.org>

Regards,

-- 
Julien Grall

Re: [PATCH v03 0/3] arm: introduce basic DRA7 platform support

[Ian Campbell]

On Thu, 2014-07-03 at 12:55 +0300, Andrii Tseglytskyi wrote:
> The following patch series adds basic support needed for DRA7
> evm board.

Acked + applied.

Could you please update
http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions to
reflect the addition of this platform.

I don't know if it makes sense to also extend
http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/OMAP5432_uEVM or to add a new page.

Ian.

Re: [PATCH v03 0/3] arm: introduce basic DRA7 platform support

[Andrii Tseglytskyi]

Hi,

On Thu, Jul 3, 2014 at 5:05 PM, Ian Campbell <Ian.Campbell@citrix.com> wrote:
>
> On Thu, 2014-07-03 at 12:55 +0300, Andrii Tseglytskyi wrote:
>> The following patch series adds basic support needed for DRA7
>> evm board.
>
> Acked + applied.
>
> Could you please update
> http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions to
> reflect the addition of this platform.
>
> I don't know if it makes sense to also extend
> http://wiki.xen.org/wiki/Xen_ARM_with_Virtualization_Extensions/OMAP5432_uEVM or to add a new page.
>

Sure. Will update asap.

Regards,
Andrii

> Ian.
>
>
>



-- 

Andrii Tseglytskyi | Embedded Dev
GlobalLogic
www.globallogic.com