Hi Arun,
On 2012년 09월 28일 02:09, Arun Kumar K wrote:
> This patch adds device tree entry for MFC v6 in the Exynos5
> SoC. Makes the required changes in the clock files and adds
> MFC to the DT device list.
>
> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx>
> Signed-off-by: Arun Kumar K <arun.kk@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/media/s5p-mfc.txt | 23 +++++++++++++
> arch/arm/boot/dts/exynos5250-smdk5250.dts | 5 +++
> arch/arm/boot/dts/exynos5250.dtsi | 6 +++
> arch/arm/mach-exynos/Kconfig | 1 +
> arch/arm/mach-exynos/clock-exynos5.c | 2 +-
> arch/arm/mach-exynos/mach-exynos5-dt.c | 16 +++++++++
> arch/arm/plat-samsung/devs.c | 1 +
> arch/arm/plat-samsung/include/plat/mfc.h | 11 ++++++
> arch/arm/plat-samsung/s5p-dev-mfc.c | 34 ++++++++++++++++++++
> 9 files changed, 98 insertions(+), 1 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/media/s5p-mfc.txt
>
<snip>
> diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
> index fee9dcd..b4ed43a 100644
> --- a/arch/arm/mach-exynos/mach-exynos5-dt.c
> +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
> @@ -11,6 +11,8 @@
>
> #include <linux/of_platform.h>
> #include <linux/serial_core.h>
> +#include <linux/memblock.h>
> +#include <linux/of_fdt.h>
>
> #include <asm/mach/arch.h>
> #include <asm/hardware/gic.h>
> @@ -18,6 +20,7 @@
>
> #include <plat/cpu.h>
> #include <plat/regs-serial.h>
> +#include <plat/mfc.h>
>
> #include "common.h"
>
> @@ -72,6 +75,7 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
> "exynos-gsc.2", NULL),
> OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3,
> "exynos-gsc.3", NULL),
> + OF_DEV_AUXDATA("samsung,mfc-v6", 0x11000000, "s5p-mfc-v6", NULL),
> {},
> };
>
> @@ -92,6 +96,17 @@ static char const *exynos5250_dt_compat[] __initdata = {
> NULL
> };
>
> +static void __init exynos5_reserve(void)
> +{
> + struct s5p_mfc_dt_meminfo mfc_mem;
> +
> + /* Reserve memory for MFC only if it's available */
> + mfc_mem.compatible = "samsung,mfc-v6";
> + if (of_scan_flat_dt(s5p_fdt_find_mfc_mem, &mfc_mem))
of_scan_flat_dt() is called but it does not have __init on its
definition. So this causes section mismatch.
> + s5p_mfc_reserve_mem(mfc_mem.roff, mfc_mem.rsize, mfc_mem.loff,
> + mfc_mem.lsize);
> +}
> +
> DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
> /* Maintainer: Kukjin Kim <kgene.kim@xxxxxxxxxxx> */
> .init_irq = exynos5_init_irq,
> @@ -102,4 +117,5 @@ DT_MACHINE_START(EXYNOS5_DT, "SAMSUNG EXYNOS5 (Flattened Device Tree)")
> .timer = &exynos4_timer,
> .dt_compat = exynos5250_dt_compat,
> .restart = exynos5_restart,
> + .reserve = exynos5_reserve,
> MACHINE_END
<snip>
Best Regards,
- Seung-Woo Kim
--
Seung-Woo Kim
Samsung Software R&D Center
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