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author | David S. Miller <davem@davemloft.net> | 2008-10-11 23:39:35 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2008-10-11 23:39:35 +0400 |
commit | 56c5d900dbb8e042bfad035d18433476931d8f93 (patch) | |
tree | 00b793965beeef10db03e0ff021d2d965c410759 /arch/mips/include/asm/mach-excite/excite_fpga.h | |
parent | 4dd95b63ae25c5cad6986829b5e8788e9faa0330 (diff) | |
parent | ead9d23d803ea3a73766c3cb27bf7563ac8d7266 (diff) | |
download | linux-56c5d900dbb8e042bfad035d18433476931d8f93.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
sound/core/memalloc.c
Diffstat (limited to 'arch/mips/include/asm/mach-excite/excite_fpga.h')
-rw-r--r-- | arch/mips/include/asm/mach-excite/excite_fpga.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-excite/excite_fpga.h b/arch/mips/include/asm/mach-excite/excite_fpga.h new file mode 100644 index 000000000000..0a1ef69bece7 --- /dev/null +++ b/arch/mips/include/asm/mach-excite/excite_fpga.h @@ -0,0 +1,80 @@ +#ifndef EXCITE_FPGA_H_INCLUDED +#define EXCITE_FPGA_H_INCLUDED + + +/** + * Address alignment of the individual FPGA bytes. + * The address arrangement of the individual bytes of the FPGA is two + * byte aligned at the embedded MK2 platform. + */ +#ifdef EXCITE_CCI_FPGA_MK2 +typedef unsigned char excite_cci_fpga_align_t __attribute__ ((aligned(2))); +#else +typedef unsigned char excite_cci_fpga_align_t; +#endif + + +/** + * Size of Dual Ported RAM. + */ +#define EXCITE_DPR_SIZE 263 + + +/** + * Size of Reserved Status Fields in Dual Ported RAM. + */ +#define EXCITE_DPR_STATUS_SIZE 7 + + + +/** + * FPGA. + * Hardware register layout of the FPGA interface. The FPGA must accessed + * byte wise solely. + * @see EXCITE_CCI_DPR_MK2 + */ +typedef struct excite_fpga { + + /** + * Dual Ported RAM. + */ + excite_cci_fpga_align_t dpr[EXCITE_DPR_SIZE]; + + /** + * Status. + */ + excite_cci_fpga_align_t status[EXCITE_DPR_STATUS_SIZE]; + +#ifdef EXCITE_CCI_FPGA_MK2 + /** + * RM9000 Interrupt. + * Write access initiates interrupt at the RM9000 (MIPS) processor of the eXcite. + */ + excite_cci_fpga_align_t rm9k_int; +#else + /** + * MK2 Interrupt. + * Write access initiates interrupt at the ARM processor of the MK2. + */ + excite_cci_fpga_align_t mk2_int; + + excite_cci_fpga_align_t gap[0x1000-0x10f]; + + /** + * IRQ Source/Acknowledge. + */ + excite_cci_fpga_align_t rm9k_irq_src; + + /** + * IRQ Mask. + * Set bits enable the related interrupt. + */ + excite_cci_fpga_align_t rm9k_irq_mask; +#endif + + +} excite_fpga; + + + +#endif /* ndef EXCITE_FPGA_H_INCLUDED */ |