[PATCH 3/3] Visstrim M10: Add support for Coda.

[Javier Martin]

Support the codadx6 that is included in
the i.MX27 SoC.
---
 arch/arm/mach-imx/mach-imx27_visstrim_m10.c |   24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c 
b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index f76edb9..bee2714 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -232,10 +232,10 @@ static void __init visstrim_camera_init(void)
 static void __init visstrim_reserve(void)
 {
        /* reserve 4 MiB for mx2-camera */
-       mx2_camera_base = memblock_alloc(MX2_CAMERA_BUF_SIZE,
+       mx2_camera_base = memblock_alloc(2 * MX2_CAMERA_BUF_SIZE,
                        MX2_CAMERA_BUF_SIZE);
-       memblock_free(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
-       memblock_remove(mx2_camera_base, MX2_CAMERA_BUF_SIZE);
+       memblock_free(mx2_camera_base, 2 * MX2_CAMERA_BUF_SIZE);
+       memblock_remove(mx2_camera_base, 2 * MX2_CAMERA_BUF_SIZE);
 }
 
 /* GPIOs used as events for applications */
@@ -404,6 +404,23 @@ static const struct imx_ssi_platform_data 
visstrim_m10_ssi_pdata __initconst = {
        .flags                  = IMX_SSI_DMA | IMX_SSI_SYN,
 };
 
+/* coda */
+
+static void __init visstrim_coda_init(void)
+{
+       struct platform_device *pdev;
+       int dma;
+
+       pdev = imx27_add_coda();
+       dma = dma_declare_coherent_memory(&pdev->dev,
+                                         mx2_camera_base + MX2_CAMERA_BUF_SIZE,
+                                         mx2_camera_base + MX2_CAMERA_BUF_SIZE,
+                                         MX2_CAMERA_BUF_SIZE,
+                                         DMA_MEMORY_MAP | 
DMA_MEMORY_EXCLUSIVE);
+       if (!(dma & DMA_MEMORY_MAP))
+               return;
+}
+
 static void __init visstrim_m10_revision(void)
 {
        int exp_version = 0;
@@ -467,6 +484,7 @@ static void __init visstrim_m10_board_init(void)
                                      &iclink_tvp5150, sizeof(iclink_tvp5150));
        gpio_led_register_device(0, &visstrim_m10_led_data);
        visstrim_camera_init();
+       visstrim_coda_init();
 }
 
 static void __init visstrim_m10_timer_init(void)
-- 
1.7.9.5

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