summaryrefslogtreecommitdiffstats
path: root/include/asm-cris/arch-v10/sv_addr_ag.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-cris/arch-v10/sv_addr_ag.h')
-rw-r--r--include/asm-cris/arch-v10/sv_addr_ag.h139
1 files changed, 139 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/sv_addr_ag.h b/include/asm-cris/arch-v10/sv_addr_ag.h
new file mode 100644
index 000000000000..e4a6b68b8982
--- /dev/null
+++ b/include/asm-cris/arch-v10/sv_addr_ag.h
@@ -0,0 +1,139 @@
+/*!**************************************************************************
+*!
+*! MACROS:
+*! IO_MASK(reg,field)
+*! IO_STATE(reg,field,state)
+*! IO_EXTRACT(reg,field,val)
+*! IO_STATE_VALUE(reg,field,state)
+*! IO_BITNR(reg,field)
+*! IO_WIDTH(reg,field)
+*! IO_FIELD(reg,field,val)
+*! IO_RD(reg)
+*! All moderegister addresses and fields of these.
+*!
+*!**************************************************************************/
+
+#ifndef __sv_addr_ag_h__
+#define __sv_addr_ag_h__
+
+
+#define __test_sv_addr__ 0
+
+/*------------------------------------------------------------
+!* General macros to manipulate moderegisters.
+!*-----------------------------------------------------------*/
+
+/* IO_MASK returns a mask for a specified bitfield in a register.
+ Note that this macro doesn't work when field width is 32 bits. */
+#define IO_MASK(reg, field) IO_MASK_ (reg##_, field##_)
+#define IO_MASK_(reg_, field_) \
+ ( ( ( 1 << reg_##_##field_##_WIDTH ) - 1 ) << reg_##_##field_##_BITNR )
+
+/* IO_STATE returns a constant corresponding to a one of the symbolic
+ states that the bitfield can have. (Shifted to correct position) */
+#define IO_STATE(reg, field, state) IO_STATE_ (reg##_, field##_, _##state)
+#define IO_STATE_(reg_, field_, _state) \
+ ( reg_##_##field_##_state << reg_##_##field_##_BITNR )
+
+/* IO_EXTRACT returns the masked and shifted value corresponding to the
+ bitfield can have. */
+#define IO_EXTRACT(reg, field, val) IO_EXTRACT_ (reg##_, field##_, val)
+#define IO_EXTRACT_(reg_, field_, val) ( (( ( ( 1 << reg_##_##field_##_WIDTH ) \
+ - 1 ) << reg_##_##field_##_BITNR ) & (val)) >> reg_##_##field_##_BITNR )
+
+/* IO_STATE_VALUE returns a constant corresponding to a one of the symbolic
+ states that the bitfield can have. (Not shifted) */
+#define IO_STATE_VALUE(reg, field, state) \
+ IO_STATE_VALUE_ (reg##_, field##_, _##state)
+#define IO_STATE_VALUE_(reg_, field_, _state) ( reg_##_##field_##_state )
+
+/* IO_FIELD shifts the val parameter to be aligned with the bitfield
+ specified. */
+#define IO_FIELD(reg, field, val) IO_FIELD_ (reg##_, field##_, val)
+#define IO_FIELD_(reg_, field_, val) ((val) << reg_##_##field_##_BITNR)
+
+/* IO_BITNR returns the starting bitnumber of a bitfield. Bit 0 is
+ LSB and the returned bitnumber is LSB of the field. */
+#define IO_BITNR(reg, field) IO_BITNR_ (reg##_, field##_)
+#define IO_BITNR_(reg_, field_) (reg_##_##field_##_BITNR)
+
+/* IO_WIDTH returns the width, in bits, of a bitfield. */
+#define IO_WIDTH(reg, field) IO_WIDTH_ (reg##_, field##_)
+#define IO_WIDTH_(reg_, field_) (reg_##_##field_##_WIDTH)
+
+/*--- Obsolete. Kept for backw compatibility. ---*/
+/* Reads (or writes) a byte/uword/udword from the specified mode
+ register. */
+#define IO_RD(reg) (*(volatile u32*)(reg))
+#define IO_RD_B(reg) (*(volatile u8*)(reg))
+#define IO_RD_W(reg) (*(volatile u16*)(reg))
+#define IO_RD_D(reg) (*(volatile u32*)(reg))
+
+/*------------------------------------------------------------
+!* Start addresses of the different memory areas.
+!*-----------------------------------------------------------*/
+
+#define MEM_CSE0_START (0x00000000)
+#define MEM_CSE0_SIZE (0x04000000)
+#define MEM_CSE1_START (0x04000000)
+#define MEM_CSE1_SIZE (0x04000000)
+#define MEM_CSR0_START (0x08000000)
+#define MEM_CSR1_START (0x0c000000)
+#define MEM_CSP0_START (0x10000000)
+#define MEM_CSP1_START (0x14000000)
+#define MEM_CSP2_START (0x18000000)
+#define MEM_CSP3_START (0x1c000000)
+#define MEM_CSP4_START (0x20000000)
+#define MEM_CSP5_START (0x24000000)
+#define MEM_CSP6_START (0x28000000)
+#define MEM_CSP7_START (0x2c000000)
+#define MEM_DRAM_START (0x40000000)
+
+#define MEM_NON_CACHEABLE (0x80000000)
+
+/*------------------------------------------------------------
+!* Type casts used in mode register macros, making pointer
+!* dereferencing possible. Empty in assembler.
+!*-----------------------------------------------------------*/
+
+#ifndef __ASSEMBLER__
+# define IO_TYPECAST_UDWORD (volatile u32*)
+# define IO_TYPECAST_RO_UDWORD (const volatile u32*)
+# define IO_TYPECAST_UWORD (volatile u16*)
+# define IO_TYPECAST_RO_UWORD (const volatile u16*)
+# define IO_TYPECAST_BYTE (volatile u8*)
+# define IO_TYPECAST_RO_BYTE (const volatile u8*)
+#else
+# define IO_TYPECAST_UDWORD
+# define IO_TYPECAST_RO_UDWORD
+# define IO_TYPECAST_UWORD
+# define IO_TYPECAST_RO_UWORD
+# define IO_TYPECAST_BYTE
+# define IO_TYPECAST_RO_BYTE
+#endif
+
+/*------------------------------------------------------------*/
+
+#include "sv_addr.agh"
+
+#if __test_sv_addr__
+/* IO_MASK( R_BUS_CONFIG , CE ) */
+IO_MASK( R_WAITSTATES , SRAM_WS )
+IO_MASK( R_TEST , W32 )
+
+IO_STATE( R_BUS_CONFIG, CE, DISABLE )
+IO_STATE( R_BUS_CONFIG, CE, ENABLE )
+
+IO_STATE( R_DRAM_TIMING, REF, IVAL2 )
+
+IO_MASK( R_DRAM_TIMING, REF )
+
+IO_MASK( R_EXT_DMA_0_STAT, TFR_COUNT ) >> IO_BITNR( R_EXT_DMA_0_STAT, TFR_COUNT )
+
+IO_RD(R_EXT_DMA_0_STAT) & IO_MASK( R_EXT_DMA_0_STAT, S )
+ == IO_STATE( R_EXT_DMA_0_STAT, S, STARTED )
+#endif
+
+
+#endif /* ifndef __sv_addr_ag_h__ */
+