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bsp/mpc55xx: Add SMSC9218I_BIG_ENDIAN_SUPPORT

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This commit is contained in:
Sebastian Huber
2012-07-17 17:23:31 +02:00
parent d740e601ab
commit 86c5b1c758
3 changed files with 44 additions and 16 deletions
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4
c/src/lib/libbsp/powerpc/mpc55xxevb/configure.ac
View File

@@ -106,6 +106,10 @@ RTEMS_BSPOPTS_SET([SMSC9218I_EDMA_TX_CHANNEL],[*],[48])
RTEMS_BSPOPTS_HELP([SMSC9218I_EDMA_TX_CHANNEL],
[transmit eDMA channel for SMSC9218I network interface])
RTEMS_BSPOPTS_SET([SMSC9218I_BIG_ENDIAN_SUPPORT],[mpc5674f_ecu508*],[1])
RTEMS_BSPOPTS_HELP([SMSC9218I_BIG_ENDIAN_SUPPORT],
[enable big endian support for SMSC9218I network interface])
RTEMS_BSPOPTS_SET([MPC55XX_CLOCK_EMIOS_CHANNEL],[mpc5643l*],[])
RTEMS_BSPOPTS_SET([MPC55XX_CLOCK_EMIOS_CHANNEL],[mpc5674f*],[31])
RTEMS_BSPOPTS_SET([MPC55XX_CLOCK_EMIOS_CHANNEL],[*],[23])

3
c/src/lib/libbsp/powerpc/mpc55xxevb/include/bspopts.h.in
View File

@@ -116,6 +116,9 @@
/* If defined the SMC91111 chip has the ethernet address loaded at reset. */
#undef SMC91111_ENADDR_IS_SETUP
/* enable big endian support for SMSC9218I network interface */
#undef SMSC9218I_BIG_ENDIAN_SUPPORT
/* receive eDMA channel for SMSC9218I network interface */
#undef SMSC9218I_EDMA_RX_CHANNEL

53
c/src/lib/libbsp/powerpc/mpc55xxevb/include/smsc9218i.h
View File

@@ -7,18 +7,21 @@
*/
/*
* Copyright (c) 2009
* embedded brains GmbH
* Obere Lagerstr. 30
* D-82178 Puchheim
* Germany
* rtems@embedded-brains.de
* Copyright (c) 2009-2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#include <bsp.h>
/**
* @name Memory Map
* @{
@@ -61,14 +64,28 @@ typedef struct {
uint32_t e2p_data;
} smsc9218i_registers;
volatile smsc9218i_registers *const smsc9218i = (volatile smsc9218i_registers *) 0x3fff8000;
/*
* SMSC9218 registers are accessed little-endian (address 0x3fff8000, A22 used
* as END_SEL).
*/
#ifdef SMSC9218I_BIG_ENDIAN_SUPPORT
volatile smsc9218i_registers *const smsc9218i =
(volatile smsc9218i_registers *) 0x3fff8200;
#else
volatile smsc9218i_registers *const smsc9218i =
(volatile smsc9218i_registers *) 0x3fff8000;
#endif
/** @} */
#define SMSC9218I_BIT_POS(pos) \
((pos) > 15 ? \
((pos) > 23 ? (pos) - 24 : (pos) - 8) \
: ((pos) > 7 ? (pos) + 8 : (pos) + 24))
#ifdef SMSC9218I_BIG_ENDIAN_SUPPORT
#define SMSC9218I_BIT_POS(pos) \
((pos) > 15 ? \
((pos) > 23 ? (pos) - 24 : (pos) - 8) \
: ((pos) > 7 ? (pos) + 8 : (pos) + 24))
#else
#define SMSC9218I_BIT_POS(pos) (pos)
#endif
#define SMSC9218I_FLAG(pos) \
(1U << SMSC9218I_BIT_POS(pos))
@@ -87,11 +104,15 @@ volatile smsc9218i_registers *const smsc9218i = (volatile smsc9218i_registers *)
((SMSC9218I_GET_FIELD_8(reg, (pos) + 8) << 8) \
| SMSC9218I_GET_FIELD_8(reg, pos))
#define SMSC9218I_SWAP(val) \
((((val) >> 24) & 0xff) \
| ((((val) >> 16) & 0xff) << 8) \
| ((((val) >> 8) & 0xff) << 16) \
| (((val) & 0xff) << 24))
#ifdef SMSC9218I_BIG_ENDIAN_SUPPORT
#define SMSC9218I_SWAP(val) \
((((val) >> 24) & 0xff) \
| ((((val) >> 16) & 0xff) << 8) \
| ((((val) >> 8) & 0xff) << 16) \
| (((val) & 0xff) << 24))
#else
#define SMSC9218I_SWAP(val) (val)
#endif
/**
* @name Receive Status