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