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| author | Rabeeh Khoury <rabeeh@marvell.com> | 2009-03-22 17:30:32 +0200 |
|---|---|---|
| committer | Nicolas Pitre <nico@cam.org> | 2009-06-08 13:04:58 -0400 |
| commit | e8b2b7ba1200de8e50788e358e2d945a0c0fcfad (patch) | |
| tree | db48240d16d267bca6b740fe401406f9838410e3 /arch/arm/mach-kirkwood/include | |
| parent | fb7b2d3f0dda3fbd711c191fd3b9496653e81ac7 (diff) | |
| download | kernel_samsung_smdk4412-e8b2b7ba1200de8e50788e358e2d945a0c0fcfad.zip kernel_samsung_smdk4412-e8b2b7ba1200de8e50788e358e2d945a0c0fcfad.tar.gz kernel_samsung_smdk4412-e8b2b7ba1200de8e50788e358e2d945a0c0fcfad.tar.bz2 | |
[ARM] Kirkwood: clock gating for unused peripherals
To save power:
1. Enabling clock gating of unused peripherals
2. PLL and PHY of the units are also disabled (when possible.
Signed-off-by: Rabeeh Khoury <rabeeh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-kirkwood/include')
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/bridge-regs.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-kirkwood/include/mach/kirkwood.h | 7 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h index 4f7029f..00d96ab 100644 --- a/arch/arm/mach-kirkwood/include/mach/bridge-regs.h +++ b/arch/arm/mach-kirkwood/include/mach/bridge-regs.h @@ -39,4 +39,22 @@ #define L2_CONFIG_REG (BRIDGE_VIRT_BASE | 0x0128) #define L2_WRITETHROUGH 0x00000010 +#define CLOCK_GATING_CTRL (BRIDGE_VIRT_BASE | 0x11c) +#define CGC_GE0 (1 << 0) +#define CGC_PEX0 (1 << 2) +#define CGC_USB0 (1 << 3) +#define CGC_SDIO (1 << 4) +#define CGC_TSU (1 << 5) +#define CGC_DUNIT (1 << 6) +#define CGC_RUNIT (1 << 7) +#define CGC_XOR0 (1 << 8) +#define CGC_AUDIO (1 << 9) +#define CGC_SATA0 (1 << 14) +#define CGC_SATA1 (1 << 15) +#define CGC_XOR1 (1 << 16) +#define CGC_CRYPTO (1 << 17) +#define CGC_GE1 (1 << 19) +#define CGC_TDM (1 << 20) +#define CGC_RESERVED ((1 << 18) | (0x6 << 21)) + #endif diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h index f20ff64..f49a29b 100644 --- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h +++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h @@ -65,6 +65,8 @@ #define BRIDGE_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x20000) #define PCIE_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x40000) +#define PCIE_LINK_CTRL (PCIE_VIRT_BASE | 0x70) +#define PCIE_STATUS (PCIE_VIRT_BASE | 0x1a04) #define USB_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x50000) @@ -81,6 +83,11 @@ #define GE01_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x74000) #define SATA_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x80000) +#define SATA_VIRT_BASE (KIRKWOOD_REGS_VIRT_BASE | 0x80000) +#define SATA0_IF_CTRL (SATA_VIRT_BASE | 0x2050) +#define SATA0_PHY_MODE_2 (SATA_VIRT_BASE | 0x2330) +#define SATA1_IF_CTRL (SATA_VIRT_BASE | 0x4050) +#define SATA1_PHY_MODE_2 (SATA_VIRT_BASE | 0x4330) #define SDIO_PHYS_BASE (KIRKWOOD_REGS_PHYS_BASE | 0x90000) |