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-rw-r--r--arch/powerpc/sysdev/bestcomm/ata.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/arch/powerpc/sysdev/bestcomm/ata.c b/arch/powerpc/sysdev/bestcomm/ata.c
deleted file mode 100644
index 901c9f91e5d..00000000000
--- a/arch/powerpc/sysdev/bestcomm/ata.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Bestcomm ATA task driver
- *
- *
- * Patterned after bestcomm/fec.c by Dale Farnsworth <dfarnsworth@mvista.com>
- * 2003-2004 (c) MontaVista, Software, Inc.
- *
- * Copyright (C) 2006-2007 Sylvain Munaut <tnt@246tNt.com>
- * Copyright (C) 2006 Freescale - John Rigby
- *
- * This file is licensed under the terms of the GNU General Public License
- * version 2. This program is licensed "as is" without any warranty of any
- * kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <asm/io.h>
-
-#include "bestcomm.h"
-#include "bestcomm_priv.h"
-#include "ata.h"
-
-
-/* ======================================================================== */
-/* Task image/var/inc */
-/* ======================================================================== */
-
-/* ata task image */
-extern u32 bcom_ata_task[];
-
-/* ata task vars that need to be set before enabling the task */
-struct bcom_ata_var {
- u32 enable; /* (u16*) address of task's control register */
- u32 bd_base; /* (struct bcom_bd*) beginning of ring buffer */
- u32 bd_last; /* (struct bcom_bd*) end of ring buffer */
- u32 bd_start; /* (struct bcom_bd*) current bd */
- u32 buffer_size; /* size of receive buffer */
-};
-
-/* ata task incs that need to be set before enabling the task */
-struct bcom_ata_inc {
- u16 pad0;
- s16 incr_bytes;
- u16 pad1;
- s16 incr_dst;
- u16 pad2;
- s16 incr_src;
-};
-
-
-/* ======================================================================== */
-/* Task support code */
-/* ======================================================================== */
-
-struct bcom_task *
-bcom_ata_init(int queue_len, int maxbufsize)
-{
- struct bcom_task *tsk;
- struct bcom_ata_var *var;
- struct bcom_ata_inc *inc;
-
- /* Prefetch breaks ATA DMA. Turn it off for ATA DMA */
- bcom_disable_prefetch();
-
- tsk = bcom_task_alloc(queue_len, sizeof(struct bcom_ata_bd), 0);
- if (!tsk)
- return NULL;
-
- tsk->flags = BCOM_FLAGS_NONE;
-
- bcom_ata_reset_bd(tsk);
-
- var = (struct bcom_ata_var *) bcom_task_var(tsk->tasknum);
- inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);
-
- if (bcom_load_image(tsk->tasknum, bcom_ata_task)) {
- bcom_task_free(tsk);
- return NULL;
- }
-
- var->enable = bcom_eng->regs_base +
- offsetof(struct mpc52xx_sdma, tcr[tsk->tasknum]);
- var->bd_base = tsk->bd_pa;
- var->bd_last = tsk->bd_pa + ((tsk->num_bd-1) * tsk->bd_size);
- var->bd_start = tsk->bd_pa;
- var->buffer_size = maxbufsize;
-
- /* Configure some stuff */
- bcom_set_task_pragma(tsk->tasknum, BCOM_ATA_PRAGMA);
- bcom_set_task_auto_start(tsk->tasknum, tsk->tasknum);
-
- out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ATA_RX], BCOM_IPR_ATA_RX);
- out_8(&bcom_eng->regs->ipr[BCOM_INITIATOR_ATA_TX], BCOM_IPR_ATA_TX);
-
- out_be32(&bcom_eng->regs->IntPend, 1<<tsk->tasknum); /* Clear ints */
-
- return tsk;
-}
-EXPORT_SYMBOL_GPL(bcom_ata_init);
-
-void bcom_ata_rx_prepare(struct bcom_task *tsk)
-{
- struct bcom_ata_inc *inc;
-
- inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);
-
- inc->incr_bytes = -(s16)sizeof(u32);
- inc->incr_src = 0;
- inc->incr_dst = sizeof(u32);
-
- bcom_set_initiator(tsk->tasknum, BCOM_INITIATOR_ATA_RX);
-}
-EXPORT_SYMBOL_GPL(bcom_ata_rx_prepare);
-
-void bcom_ata_tx_prepare(struct bcom_task *tsk)
-{
- struct bcom_ata_inc *inc;
-
- inc = (struct bcom_ata_inc *) bcom_task_inc(tsk->tasknum);
-
- inc->incr_bytes = -(s16)sizeof(u32);
- inc->incr_src = sizeof(u32);
- inc->incr_dst = 0;
-
- bcom_set_initiator(tsk->tasknum, BCOM_INITIATOR_ATA_TX);
-}
-EXPORT_SYMBOL_GPL(bcom_ata_tx_prepare);
-
-void bcom_ata_reset_bd(struct bcom_task *tsk)
-{
- struct bcom_ata_var *var;
-
- /* Reset all BD */
- memset(tsk->bd, 0x00, tsk->num_bd * tsk->bd_size);
-
- tsk->index = 0;
- tsk->outdex = 0;
-
- var = (struct bcom_ata_var *) bcom_task_var(tsk->tasknum);
- var->bd_start = var->bd_base;
-}
-EXPORT_SYMBOL_GPL(bcom_ata_reset_bd);
-
-void bcom_ata_release(struct bcom_task *tsk)
-{
- /* Nothing special for the ATA tasks */
- bcom_task_free(tsk);
-}
-EXPORT_SYMBOL_GPL(bcom_ata_release);
-
-
-MODULE_DESCRIPTION("BestComm ATA task driver");
-MODULE_AUTHOR("John Rigby");
-MODULE_LICENSE("GPL v2");
-