Messages in this thread | | | From | Stephen Warren <> | Date | Thu, 27 Oct 2011 13:06:13 -0700 | Subject | RE: [PATCH 3/6] arm/tegra: prepare early init for multiple tegra variants |
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Peter De Schrijver wrote at Tuesday, October 25, 2011 10:54 AM: > This patch splits the early init code in a common and a tegra20 specific part.
> diff --git a/arch/arm/mach-tegra/board-dt.c b/arch/arm/mach-tegra/board-dt.c
> +static void __init tegra_init_early(void) > +{ > + > + int i; > + > + for (i = 0; i < ARRAY_SIZE(early_init); i++) > + if (of_machine_is_compatible(early_init[i].machine)) > + return early_init[i].init(); > + > + printk(KERN_WARNING "Unknown platform detected\n");
pr_warn/WARN/WARN_ON?
> diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c
> @@ -31,8 +31,6 @@ > #include "clock.h" > #include "fuse.h" > > -void (*arch_reset)(char mode, const char *cmd) = tegra_assert_system_reset; > - > void tegra_assert_system_reset(char mode, const char *cmd) > { > void __iomem *reset = IO_ADDRESS(TEGRA_CLK_RESET_BASE + 0x04); > @@ -44,7 +42,9 @@ void tegra_assert_system_reset(char mode, const char *cmd) > writel_relaxed(reg, reset); > } > > -static __initdata struct tegra_clk_init_table common_clk_init_table[] = { > +void (*arch_reset)(char mode, const char *cmd) = tegra_assert_system_reset;
I'm not sure why you moved that, but I suppose it's fine.
> + > +static __initdata struct tegra_clk_init_table tegra20_clk_init_table[] = { > /* name parent rate enabled */ > { "clk_m", NULL, 0, true }, > { "pll_p", "clk_m", 216000000, true }, > @@ -65,19 +65,25 @@ static void __init tegra_init_cache(void) > { > #ifdef CONFIG_CACHE_L2X0 > void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; > + u32 aux_ctrl; > > writel_relaxed(0x331, p + L2X0_TAG_LATENCY_CTRL); > writel_relaxed(0x441, p + L2X0_DATA_LATENCY_CTRL); > + writel(2, p + L2X0_PREFETCH_CTRL); > + > + aux_ctrl = readl(p + L2X0_CACHE_TYPE); > + aux_ctrl = (aux_ctrl & 0x700) << (17-8); > + aux_ctrl |= 0x6C000001;
This is an unrelated change?
> > l2x0_init(p, 0x6C080001, 0x8200c3fe); > #endif > > }
-- nvpublic
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