Initial revision

[karo-tx-redboot.git] / packages / hal / arm / mx51 / 3stack / v2_0 / include / plf_io.h

diff --git a/packages/hal/arm/mx51/3stack/v2_0/include/plf_io.h b/packages/hal/arm/mx51/3stack/v2_0/include/plf_io.h
new file mode 100644 (file)
index 0000000..2235f29
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+++ b/packages/hal/arm/mx51/3stack/v2_0/include/plf_io.h
@@ -0,0 +1,98 @@
+#ifndef CYGONCE_HAL_ARM_BOARD_PLF_IO_H
+#define CYGONCE_HAL_ARM_BOARD_PLF_IO_H
+
+//=============================================================================
+//
+//      plf_io.h
+//
+//      Platform specific support (register layout, etc)
+//
+//=============================================================================
+//####ECOSGPLCOPYRIGHTBEGIN####
+// -------------------------------------------
+// This file is part of eCos, the Embedded Configurable Operating System.
+// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+//
+// eCos 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 or (at your option) any later version.
+//
+// eCos 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 eCos; if not, write to the Free Software Foundation, Inc.,
+// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or inline functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. However the source code for this file must still be made available
+// in accordance with section (3) of the GNU General Public License.
+//
+// This exception does not invalidate any other reasons why a work based on
+// this file might be covered by the GNU General Public License.
+//
+// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
+// at http://sources.redhat.com/ecos/ecos-license/
+// -------------------------------------------
+//####ECOSGPLCOPYRIGHTEND####
+//=============================================================================
+
+#include <cyg/hal/fsl_board.h>
+#include <cyg/hal/hal_soc.h>
+
+extern unsigned int cpld_base_addr;
+
+#define LAN92XX_REG_READ(reg_offset)  \
+    (*(volatile unsigned int *)(cpld_base_addr + reg_offset))
+
+#define LAN92XX_REG_WRITE(reg_offset, val)  \
+    (*(volatile unsigned int *)(cpld_base_addr + reg_offset) = (val))
+
+#define LED_IS_ON(n)    ((readw(cpld_base_addr + PBC_LED_CTRL) & (1 << (n))) != 0)
+#define TURN_LED_ON(n)  writew((readw(cpld_base_addr + PBC_LED_CTRL) | (1 << (n))), cpld_base_addr + PBC_LED_CTRL)
+#define TURN_LED_OFF(n) writew((readw(cpld_base_addr + PBC_LED_CTRL) & (~(1<<(n)))), cpld_base_addr + PBC_LED_CTRL)
+
+#define BOARD_DEBUG_LED(n)   0
+/*
+#define BOARD_DEBUG_LED(n)                     \
+    CYG_MACRO_START                            \
+        if (n >= 0 && n < LED_MAX_NUM) {       \
+               if (LED_IS_ON(n))               \
+                       TURN_LED_OFF(n);        \
+               else                            \
+                       TURN_LED_ON(n);         \
+       }                                       \
+    CYG_MACRO_END
+*/
+
+extern unsigned int system_rev;
+
+#define CYGHWR_REDBOOT_LINUX_ATAG_MEM(_p_)                                  \
+    CYG_MACRO_START                                                                                  \
+    {                                                                                                              \
+      extern unsigned int system_rev;                                                             \
+             /* Next ATAG_MEM. */                                                                     \
+         _p_->hdr.size = (sizeof(struct tag_mem32) + sizeof(struct tag_header)) / sizeof(long);        \
+         _p_->hdr.tag = ATAG_MEM;                                                                    \
+         /* Round up so there's only one bit set in the memory size.                        \
+         * Don't double it if it's already a power of two, though.                                \
+         */                                                                                                          \
+         _p_->u.mem.size  = 1<<hal_msbindex(CYGMEM_REGION_ram_SIZE);    \
+         if (_p_->u.mem.size < CYGMEM_REGION_ram_SIZE)                                \
+                 _p_->u.mem.size <<= 1;                                                                \
+         if (((system_rev >> MAJOR_NUMBER_OFFSET) & 0xf) == 0x2)            \
+                 _p_->u.mem.size = 512 * 0x100000;                          \
+         _p_->u.mem.start = CYGARC_PHYSICAL_ADDRESS(CYGMEM_REGION_ram);    \
+         _p_ = (struct tag *)((long *)_p_ + _p_->hdr.size);                                          \
+         _p_->hdr.size = ((sizeof(struct tag_revision)) + sizeof(struct tag_header)) / sizeof(long);   \
+         _p_->hdr.tag = ATAG_REVISION;                                                               \
+         _p_->u.revision.rev = system_rev;                                                           \
+     }                                                                                               \
+    CYG_MACRO_END
+
+#endif // CYGONCE_HAL_ARM_BOARD_PLF_IO_H