xen/arm: add DRA7 platform definition

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>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/xen/arch/arm/platforms/omap5.c b/xen/arch/arm/platforms/omap5.c
index 76d4d9b125aab478c9ef563ed6ea6c01e8c64785..c0f8537404fafd623b4a9cfce22e7850f723c23b 100644 (file)
--- 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