[U-Boot] [PATCH 09/10] x86: ivybridge: Add macros for LPC decode ranges
Bin Meng
bmeng.cn at gmail.com
Fri Dec 11 11:55:52 CET 2015
Add several macros for LPC decode registers on PCH.
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---
arch/x86/include/asm/arch-ivybridge/pch.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/x86/include/asm/arch-ivybridge/pch.h b/arch/x86/include/asm/arch-ivybridge/pch.h
index 21df083..31437c8 100644
--- a/arch/x86/include/asm/arch-ivybridge/pch.h
+++ b/arch/x86/include/asm/arch-ivybridge/pch.h
@@ -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)
--
1.8.2.1
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