On Mon, 1 Sep 2008, Rajendra Nayak wrote:
> This patch adds the context save restore functions for GPMC
>
> Signed-off-by: Rajendra Nayak <[EMAIL PROTECTED]>
> ---
> arch/arm/mach-omap2/gpmc.c | 66
> +++++++++++++++++++++++++++++++++
> arch/arm/plat-omap/include/mach/gpmc.h | 29 ++++++++++++++
> 2 files changed, 95 insertions(+)
>
> Index: linux-omap-2.6/arch/arm/mach-omap2/gpmc.c
> ===================================================================
> --- linux-omap-2.6.orig/arch/arm/mach-omap2/gpmc.c 2008-09-01
> 18:11:29.000000000 +0530
> +++ linux-omap-2.6/arch/arm/mach-omap2/gpmc.c 2008-09-01 18:11:36.000000000
> +0530
> @@ -58,6 +58,7 @@ static struct resource gpmc_mem_root;
> static struct resource gpmc_cs_mem[GPMC_CS_NUM];
> static DEFINE_SPINLOCK(gpmc_mem_lock);
> static unsigned gpmc_cs_map;
> +static struct omap3_gpmc_regs gpmc_ctx;
>
> static u32 gpmc_base;
>
> @@ -437,3 +438,68 @@ void __init gpmc_init(void)
>
> gpmc_mem_init();
> }
> +
> +#ifdef CONFIG_ARCH_OMAP3
> +void omap3_save_gpmc_ctx()
> +{
> + int i;
> + gpmc_ctx.sysconfig = gpmc_read_reg(GPMC_SYSCONFIG);
> + gpmc_ctx.irqenable = gpmc_read_reg(GPMC_IRQENABLE);
> + gpmc_ctx.timeout_ctrl = gpmc_read_reg(GPMC_TIMEOUT_CONTROL);
> + gpmc_ctx.config = gpmc_read_reg(GPMC_CONFIG);
> + gpmc_ctx.prefetch_config1 = gpmc_read_reg(GPMC_PREFETCH_CONFIG1);
> + gpmc_ctx.prefetch_config2 = gpmc_read_reg(GPMC_PREFETCH_CONFIG2);
> + gpmc_ctx.prefetch_control = gpmc_read_reg(GPMC_PREFETCH_CONTROL);
> + for (i = 0; i < GPMC_CS_NUM; i++) {
> + gpmc_ctx.cs_context[i].is_valid =
> + (gpmc_cs_read_reg(i, GPMC_CS_CONFIG7))
> + & (1 << 6);
Please use a preprocessor macro in place of (1 << 6).
"GPMC_CS_CONFIG7_CSVALID" perhaps?
- Paul
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