diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h')
| -rw-r--r-- | IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h b/IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h index 1921d4c..352aca9 100644 --- a/IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h +++ b/IntelFrameworkModulePkg/Bus/Isa/IsaBusDxe/InternalIsaBus.h @@ -55,6 +55,73 @@ Revision History: #include "ComponentName.h"
+//
+// 8237 DMA registers
+//
+#define R_8237_DMA_BASE_CA_CH0 0x00
+#define R_8237_DMA_BASE_CA_CH1 0x02
+#define R_8237_DMA_BASE_CA_CH2 0x04
+#define R_8237_DMA_BASE_CA_CH3 0xd6
+#define R_8237_DMA_BASE_CA_CH5 0xc4
+#define R_8237_DMA_BASE_CA_CH6 0xc8
+#define R_8237_DMA_BASE_CA_CH7 0xcc
+
+#define R_8237_DMA_BASE_CC_CH0 0x01
+#define R_8237_DMA_BASE_CC_CH1 0x03
+#define R_8237_DMA_BASE_CC_CH2 0x05
+#define R_8237_DMA_BASE_CC_CH3 0xd7
+#define R_8237_DMA_BASE_CC_CH5 0xc6
+#define R_8237_DMA_BASE_CC_CH6 0xca
+#define R_8237_DMA_BASE_CC_CH7 0xce
+
+#define R_8237_DMA_MEM_LP_CH0 0x87
+#define R_8237_DMA_MEM_LP_CH1 0x83
+#define R_8237_DMA_MEM_LP_CH2 0x81
+#define R_8237_DMA_MEM_LP_CH3 0x82
+#define R_8237_DMA_MEM_LP_CH5 0x8B
+#define R_8237_DMA_MEM_LP_CH6 0x89
+#define R_8237_DMA_MEM_LP_CH7 0x8A
+
+
+#define R_8237_DMA_COMMAND_CH0_3 0x08
+#define R_8237_DMA_COMMAND_CH4_7 0xd0
+#define B_8237_DMA_COMMAND_GAP 0x10
+#define B_8237_DMA_COMMAND_CGE 0x04
+
+
+#define R_8237_DMA_STA_CH0_3 0xd8
+#define R_8237_DMA_STA_CH4_7 0xd0
+
+#define R_8237_DMA_WRSMSK_CH0_3 0x0a
+#define R_8237_DMA_WRSMSK_CH4_7 0xd4
+#define B_8237_DMA_WRSMSK_CMS 0x04
+
+
+#define R_8237_DMA_CHMODE_CH0_3 0x0b
+#define R_8237_DMA_CHMODE_CH4_7 0xd6
+#define V_8237_DMA_CHMODE_DEMAND 0x00
+#define V_8237_DMA_CHMODE_SINGLE 0x40
+#define V_8237_DMA_CHMODE_CASCADE 0xc0
+#define B_8237_DMA_CHMODE_DECREMENT 0x20
+#define B_8237_DMA_CHMODE_INCREMENT 0x00
+#define B_8237_DMA_CHMODE_AE 0x10
+#define V_8237_DMA_CHMODE_VERIFY 0
+#define V_8237_DMA_CHMODE_IO2MEM 0x04
+#define V_8237_DMA_CHMODE_MEM2IO 0x08
+
+#define R_8237_DMA_CBPR_CH0_3 0x0c
+#define R_8237_DMA_CBPR_CH4_7 0xd8
+
+#define R_8237_DMA_MCR_CH0_3 0x0d
+#define R_8237_DMA_MCR_CH4_7 0xda
+
+#define R_8237_DMA_CLMSK_CH0_3 0x0e
+#define R_8237_DMA_CLMSK_CH4_7 0xdc
+
+#define R_8237_DMA_WRMSK_CH0_3 0x0f
+#define R_8237_DMA_WRMSK_CH4_7 0xde
+
+
extern EFI_ISA_IO_PROTOCOL IsaIoInterface;
typedef enum {
|