From: Stephen Warren Date: Tue, 24 Feb 2015 21:08:27 +0000 (-0700) Subject: ARM: tegra: pinmux: partially handle varying register layouts X-Git-Tag: v2015.04-rc4~31^2~8 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=b2cd3d810387095e525522de6cae2716f4c20870;p=oweals%2Fu-boot.git ARM: tegra: pinmux: partially handle varying register layouts Tegra210 moves some bits around in the pinmux registers. Update the code to handle this. This doesn't attempt to address the issues with the group-to-group varying drive group register layout mentioned earlier. This patch handles the SoC-to-SoC differences in the mux register layout. Signed-off-by: Stephen Warren Signed-off-by: Tom Warren --- diff --git a/arch/arm/mach-tegra/pinmux-common.c b/arch/arm/mach-tegra/pinmux-common.c index 843c688200..1730d20312 100644 --- a/arch/arm/mach-tegra/pinmux-common.c +++ b/arch/arm/mach-tegra/pinmux-common.c @@ -101,11 +101,23 @@ #define DRV_REG(group) _R(0x868 + ((group) * 4)) +/* + * We could force arch-tegraNN/pinmux.h to define all of these. However, + * that's a lot of defines, and for now it's manageable to just put a + * special case here. It's possible this decision will change with future + * SoCs. + */ +#ifdef CONFIG_TEGRA210 +#define IO_SHIFT 6 +#define LOCK_SHIFT 7 +#define OD_SHIFT 11 +#else #define IO_SHIFT 5 #define OD_SHIFT 6 #define LOCK_SHIFT 7 #define IO_RESET_SHIFT 8 #define RCV_SEL_SHIFT 9 +#endif #ifdef TEGRA_PMX_SOC_HAS_IO_CLAMPING /* This register/field only exists on Tegra114 and later */