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authorKevin2014-11-15 11:48:36 +0800
committerKevin2014-11-15 11:48:36 +0800
commitd04075478d378d9e15f3e1abfd14b0bd124077d4 (patch)
tree733dd964582f388b9e3e367c249946cd32a2851f /compressed/include/mach/hardware.h
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diff --git a/compressed/include/mach/hardware.h b/compressed/include/mach/hardware.h
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+/*++
+linux/include/asm-arm/arch-wmt/hardware.h
+
+Copyright (c) 2008 WonderMedia Technologies, Inc.
+
+This program is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software Foundation,
+either version 2 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE. See the GNU General Public License for more details.
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+
+WonderMedia Technologies, Inc.
+10F, 529, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+--*/
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+/*
+ * Those are statically mapped PCMCIA IO space for designs using it as a
+ * generic IO bus, typically with ISA parts, hardwired IDE interfaces, etc.
+ * The actual PCMCIA code is mapping required IO region at run time.
+ */
+
+/*#define PCMCIA_IO_0_BASE 0xf6000000 */
+/*#define PCMCIA_IO_1_BASE 0xf7000000 */
+
+
+/*
+ * We requires absolute addresses i.e. (PCMCIA_IO_0_BASE + 0x3f8) for
+ * in*()/out*() macros to be usable for all cases.
+ */
+#define PCIO_BASE 0
+
+/*
+ * WMT internal I/O mappings, designed as offset addressing
+ *
+ * phys != virt
+ */
+#define PIO_BASE 0xFE000000 /* physical start of IO space */
+#define VIO_BASE 0xFE000000 /* virtual start of IO space */
+#define VIO_OFFSET 0 /* x = Virtual IO address offset */
+#define IO_SIZE 0x01000000 /* 16 MB */
+
+#define io_p2v(x) (x)
+#define io_v2p(x) (x)
+
+#ifndef __ASSEMBLY__ /* C language */
+#include <asm/types.h>
+
+#if 0 /* Method 1, straight forward */
+
+/*
+ * Register pointer
+ */
+# define REG32_PTR(x) ((volatile u32 *)io_p2v(x))
+# define REG16_PTR(x) ((volatile u16 *)io_p2v(x))
+# define REG8_PTR(x) ((volatile u8 *)io_p2v(x))
+
+/*
+ * Register value
+ */
+# define REG32_VAL(x) (*(REG32_PTR(x)))
+# define REG16_VAL(x) (*(REG16_PTR(x)))
+# define REG8_VAL(x) (*(REG8_PTR(x)))
+
+#else /* Method 2, GNU's original method */
+
+/*
+ * This REGxx_VAL() version gives the same results as the one above,
+ * except that we are fooling gcc somehow so it generates far better and
+ * smaller assembly code for access to contigous registers. It's a shame
+ * that gcc doesn't guess this by itself.
+ */
+typedef struct {
+ volatile u32 offset[4096]; /* 4K * 4 = SZ_16K */
+
+} __regbase32;
+
+typedef struct {
+ volatile u16 offset[4096]; /* 4K * 2 = SZ_8K */
+
+} __regbase16;
+
+typedef struct {
+ volatile u8 offset[4096]; /* 4K * 1 = SZ_4K */
+
+} __regbase8;
+
+# define __REG32P(x) (((__regbase32 *)((x)&~4095))->offset[((x)&4095)>>2])
+# define __REG16P(x) (((__regbase16 *)((x)&~4095))->offset[((x)&4095)>>1])
+# define __REG8P(x) (((__regbase8 *)((x)&~4095))->offset[((x)&4095)>>0])
+# define __REGP(x) (((__regbase32 *)((x)&~4095))->offset[((x)&4095)>>2])
+
+/*
+ * Register pointer
+ */
+# define REG32_PTR(x) (&(__REG32P(io_p2v(x))))
+# define REG16_PTR(x) (&(__REG16P(io_p2v(x))))
+# define REG8_PTR(x) (&(__REG8P(io_p2v(x))))
+
+/*
+ * Register value
+ */
+# define REG32_VAL(x) __REG32P(io_p2v(x))
+# define REG16_VAL(x) __REG16P(io_p2v(x))
+# define REG8_VAL(x) __REG8P(io_p2v(x))
+
+#endif
+
+/*
+ * General 32-bit Register value
+ */
+# define __REG(x) REG32_VAL((x))
+
+/*
+ * Pointer and Value for Memory
+ */
+# define MEM32_PTR(x) REG32_PTR(x)
+# define MEM16_PTR(x) REG16_PTR(x)
+# define MEM8_PTR(x) REG8_PTR(x)
+
+# define MEM32_VAL(x) REG32_VAL(x)
+# define MEM16_VAL(x) REG16_VAL(x)
+# define MEM8_VAL(x) REG8_VAL(x)
+
+/*
+ * Physical Register from virtual address
+ */
+# define __PREG32(x) (io_v2p((u32)&(x)))
+# define __PREG16(x) (io_v2p((u16)&(x)))
+# define __PREG8(x) (io_v2p((u8)&(x)))
+
+# define __PREG(x) __PREG32(x)
+
+#else /* Assembly */
+
+# define __REG(x) io_p2v(x)
+# define __PREG(x) io_v2p(x)
+
+# define REG32_PTR(x) io_p2v(x)
+# define REG16_PTR(x) io_p2v(x)
+# define REG8_PTR(x) io_p2v(x)
+
+#endif
+
+#include "wmt.h" /* Memory map entry */
+//#include "../../wmt_clk.h"
+
+/*
+ * VT8500 GPIO edge detection for IRQs:
+ * IRQs are generated on High, Low, Falling-Edge, and Rising-Edge.
+ * This must be called *before* the corresponding IRQ is registered.
+ */
+#define GPIO_HIGH 0
+#define GPIO_LOW 1
+#define GPIO_FALLING 2
+#define GPIO_RISING 3
+
+/*{JHT 2007/01/31 */
+#define pcibios_assign_all_busses() 1
+#define PCIBIOS_MIN_IO 0x6000
+#define PCIBIOS_MIN_MEM 0x50000000
+/*}JHT 2007/01/31 */
+/*#define PCIMEM_BASE 0xe8000000*/
+
+#endif /* __ASM_ARCH_HARDWARE_H */