redonkable/alistair23-linux
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can: bfin_can: switch to common Blackfin can header

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The MMR bits are being moved to this header, so include it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mike Frysinger 2010-03-21 21:06:01 +00:00 committed by David S. Miller
parent 91c030b4d6
commit 21afc27c9f
1 changed files with 7 additions and 90 deletions
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97
drivers/net/can/bfin_can.c
View file

@ -22,96 +22,13 @@
#include <linux/can/dev.h>
#include <linux/can/error.h>
#include <asm/bfin_can.h>
#include <asm/portmux.h>
#define DRV_NAME "bfin_can"
#define BFIN_CAN_TIMEOUT 100
#define TX_ECHO_SKB_MAX 1
/*
* transmit and receive channels
*/
#define TRANSMIT_CHL 24
#define RECEIVE_STD_CHL 0
#define RECEIVE_EXT_CHL 4
#define RECEIVE_RTR_CHL 8
#define RECEIVE_EXT_RTR_CHL 12
#define MAX_CHL_NUMBER 32
/*
* bfin can registers layout
*/
struct bfin_can_mask_regs {
u16 aml;
u16 dummy1;
u16 amh;
u16 dummy2;
};
struct bfin_can_channel_regs {
u16 data[8];
u16 dlc;
u16 dummy1;
u16 tsv;
u16 dummy2;
u16 id0;
u16 dummy3;
u16 id1;
u16 dummy4;
};
struct bfin_can_regs {
/*
* global control and status registers
*/
u16 mc1; /* offset 0 */
u16 dummy1;
u16 md1; /* offset 4 */
u16 rsv1[13];
u16 mbtif1; /* offset 0x20 */
u16 dummy2;
u16 mbrif1; /* offset 0x24 */
u16 dummy3;
u16 mbim1; /* offset 0x28 */
u16 rsv2[11];
u16 mc2; /* offset 0x40 */
u16 dummy4;
u16 md2; /* offset 0x44 */
u16 dummy5;
u16 trs2; /* offset 0x48 */
u16 rsv3[11];
u16 mbtif2; /* offset 0x60 */
u16 dummy6;
u16 mbrif2; /* offset 0x64 */
u16 dummy7;
u16 mbim2; /* offset 0x68 */
u16 rsv4[11];
u16 clk; /* offset 0x80 */
u16 dummy8;
u16 timing; /* offset 0x84 */
u16 rsv5[3];
u16 status; /* offset 0x8c */
u16 dummy9;
u16 cec; /* offset 0x90 */
u16 dummy10;
u16 gis; /* offset 0x94 */
u16 dummy11;
u16 gim; /* offset 0x98 */
u16 rsv6[3];
u16 ctrl; /* offset 0xa0 */
u16 dummy12;
u16 intr; /* offset 0xa4 */
u16 rsv7[7];
u16 esr; /* offset 0xb4 */
u16 rsv8[37];
/*
* channel(mailbox) mask and message registers
*/
struct bfin_can_mask_regs msk[MAX_CHL_NUMBER]; /* offset 0x100 */
struct bfin_can_channel_regs chl[MAX_CHL_NUMBER]; /* offset 0x200 */
};
/*
* bfin can private data
*/
@ -163,7 +80,7 @@ static int bfin_can_set_bittiming(struct net_device *dev)
if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
timing |= SAM;
bfin_write16(&reg->clk, clk);
bfin_write16(&reg->clock, clk);
bfin_write16(&reg->timing, timing);
dev_info(dev->dev.parent, "setting CLOCK=0x%04x TIMING=0x%04x\n",
@ -185,11 +102,11 @@ static void bfin_can_set_reset_mode(struct net_device *dev)
bfin_write16(&reg->gim, 0);
/* reset can and enter configuration mode */
bfin_write16(&reg->ctrl, SRS | CCR);
bfin_write16(&reg->control, SRS | CCR);
SSYNC();
bfin_write16(&reg->ctrl, CCR);
bfin_write16(&reg->control, CCR);
SSYNC();
while (!(bfin_read16(&reg->ctrl) & CCA)) {
while (!(bfin_read16(&reg->control) & CCA)) {
udelay(10);
if (--timeout == 0) {
dev_err(dev->dev.parent,
@ -244,7 +161,7 @@ static void bfin_can_set_normal_mode(struct net_device *dev)
/*
* leave configuration mode
*/
bfin_write16(&reg->ctrl, bfin_read16(&reg->ctrl) & ~CCR);
bfin_write16(&reg->control, bfin_read16(&reg->control) & ~CCR);
while (bfin_read16(&reg->status) & CCA) {
udelay(10);
@ -726,7 +643,7 @@ static int bfin_can_suspend(struct platform_device *pdev, pm_message_t mesg)
if (netif_running(dev)) {
/* enter sleep mode */
bfin_write16(&reg->ctrl, bfin_read16(&reg->ctrl) | SMR);
bfin_write16(&reg->control, bfin_read16(&reg->control) | SMR);
SSYNC();
while (!(bfin_read16(&reg->intr) & SMACK)) {
udelay(10);