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x86: ivybridge: Add macros for LPC decode ranges

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Add several macros for LPC decode registers on PCH.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2015-12-11 02:55:52 -08:00
parent 59fb7fbd49
commit 87968de31d
1 changed files with 10 additions and 0 deletions
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10
arch/x86/include/asm/arch-ivybridge/pch.h
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@ -105,6 +105,8 @@ void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
#define GPIO_ROUT 0xb8
#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
#define COMB_DEC_RANGE (1 << 4) /* 0x2f8-0x2ff (COM2) */
#define COMA_DEC_RANGE (0 << 0) /* 0x3f8-0x3ff (COM1) */
#define LPC_EN 0x82 /* LPC IF Enables Register */
#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
@ -121,6 +123,14 @@ void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
#define LPC_GENX_DEC(x) (0x84 + 4 * (x))
#define GEN_DEC_RANGE_256B 0xfc0000 /* 256 Bytes */
#define GEN_DEC_RANGE_128B 0x7c0000 /* 128 Bytes */
#define GEN_DEC_RANGE_64B 0x3c0000 /* 64 Bytes */
#define GEN_DEC_RANGE_32B 0x1c0000 /* 32 Bytes */
#define GEN_DEC_RANGE_16B 0x0c0000 /* 16 Bytes */
#define GEN_DEC_RANGE_8B 0x040000 /* 8 Bytes */
#define GEN_DEC_RANGE_4B 0x000000 /* 4 Bytes */
#define GEN_DEC_RANGE_EN (1 << 0) /* Range Enable */
/* PCI Configuration Space (D31:F1): IDE */
#define PCH_IDE_DEV PCI_BDF(0, 0x1f, 1)