crypto: talitos - prepare driver for channel remap support
Add a reg member to the channel struct and use it to access channels. Signed-off-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
parent
5b859b6ebb
commit
ad42d5fc85
2 changed files with 38 additions and 30 deletions
|
@ -99,6 +99,8 @@ struct talitos_request {
|
|||
|
||||
/* per-channel fifo management */
|
||||
struct talitos_channel {
|
||||
void __iomem *reg;
|
||||
|
||||
/* request fifo */
|
||||
struct talitos_request *fifo;
|
||||
|
||||
|
@ -197,9 +199,9 @@ static int reset_channel(struct device *dev, int ch)
|
|||
struct talitos_private *priv = dev_get_drvdata(dev);
|
||||
unsigned int timeout = TALITOS_TIMEOUT;
|
||||
|
||||
setbits32(priv->reg + TALITOS_CCCR(ch), TALITOS_CCCR_RESET);
|
||||
setbits32(priv->chan[ch].reg + TALITOS_CCCR, TALITOS_CCCR_RESET);
|
||||
|
||||
while ((in_be32(priv->reg + TALITOS_CCCR(ch)) & TALITOS_CCCR_RESET)
|
||||
while ((in_be32(priv->chan[ch].reg + TALITOS_CCCR) & TALITOS_CCCR_RESET)
|
||||
&& --timeout)
|
||||
cpu_relax();
|
||||
|
||||
|
@ -209,12 +211,12 @@ static int reset_channel(struct device *dev, int ch)
|
|||
}
|
||||
|
||||
/* set 36-bit addressing, done writeback enable and done IRQ enable */
|
||||
setbits32(priv->reg + TALITOS_CCCR_LO(ch), TALITOS_CCCR_LO_EAE |
|
||||
setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO, TALITOS_CCCR_LO_EAE |
|
||||
TALITOS_CCCR_LO_CDWE | TALITOS_CCCR_LO_CDIE);
|
||||
|
||||
/* and ICCR writeback, if available */
|
||||
if (priv->features & TALITOS_FTR_HW_AUTH_CHECK)
|
||||
setbits32(priv->reg + TALITOS_CCCR_LO(ch),
|
||||
setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO,
|
||||
TALITOS_CCCR_LO_IWSE);
|
||||
|
||||
return 0;
|
||||
|
@ -328,8 +330,9 @@ static int talitos_submit(struct device *dev, int ch, struct talitos_desc *desc,
|
|||
|
||||
/* GO! */
|
||||
wmb();
|
||||
out_be32(priv->reg + TALITOS_FF(ch), upper_32_bits(request->dma_desc));
|
||||
out_be32(priv->reg + TALITOS_FF_LO(ch),
|
||||
out_be32(priv->chan[ch].reg + TALITOS_FF,
|
||||
upper_32_bits(request->dma_desc));
|
||||
out_be32(priv->chan[ch].reg + TALITOS_FF_LO,
|
||||
lower_32_bits(request->dma_desc));
|
||||
|
||||
spin_unlock_irqrestore(&priv->chan[ch].head_lock, flags);
|
||||
|
@ -423,7 +426,7 @@ static u32 current_desc_hdr(struct device *dev, int ch)
|
|||
int tail = priv->chan[ch].tail;
|
||||
dma_addr_t cur_desc;
|
||||
|
||||
cur_desc = in_be32(priv->reg + TALITOS_CDPR_LO(ch));
|
||||
cur_desc = in_be32(priv->chan[ch].reg + TALITOS_CDPR_LO);
|
||||
|
||||
while (priv->chan[ch].fifo[tail].dma_desc != cur_desc) {
|
||||
tail = (tail + 1) & (priv->fifo_len - 1);
|
||||
|
@ -445,7 +448,7 @@ static void report_eu_error(struct device *dev, int ch, u32 desc_hdr)
|
|||
int i;
|
||||
|
||||
if (!desc_hdr)
|
||||
desc_hdr = in_be32(priv->reg + TALITOS_DESCBUF(ch));
|
||||
desc_hdr = in_be32(priv->chan[ch].reg + TALITOS_DESCBUF);
|
||||
|
||||
switch (desc_hdr & DESC_HDR_SEL0_MASK) {
|
||||
case DESC_HDR_SEL0_AFEU:
|
||||
|
@ -507,8 +510,8 @@ static void report_eu_error(struct device *dev, int ch, u32 desc_hdr)
|
|||
|
||||
for (i = 0; i < 8; i++)
|
||||
dev_err(dev, "DESCBUF 0x%08x_%08x\n",
|
||||
in_be32(priv->reg + TALITOS_DESCBUF(ch) + 8*i),
|
||||
in_be32(priv->reg + TALITOS_DESCBUF_LO(ch) + 8*i));
|
||||
in_be32(priv->chan[ch].reg + TALITOS_DESCBUF + 8*i),
|
||||
in_be32(priv->chan[ch].reg + TALITOS_DESCBUF_LO + 8*i));
|
||||
}
|
||||
|
||||
/*
|
||||
|
@ -529,8 +532,8 @@ static void talitos_error(unsigned long data, u32 isr, u32 isr_lo)
|
|||
|
||||
error = -EINVAL;
|
||||
|
||||
v = in_be32(priv->reg + TALITOS_CCPSR(ch));
|
||||
v_lo = in_be32(priv->reg + TALITOS_CCPSR_LO(ch));
|
||||
v = in_be32(priv->chan[ch].reg + TALITOS_CCPSR);
|
||||
v_lo = in_be32(priv->chan[ch].reg + TALITOS_CCPSR_LO);
|
||||
|
||||
if (v_lo & TALITOS_CCPSR_LO_DOF) {
|
||||
dev_err(dev, "double fetch fifo overflow error\n");
|
||||
|
@ -568,10 +571,10 @@ static void talitos_error(unsigned long data, u32 isr, u32 isr_lo)
|
|||
if (reset_ch) {
|
||||
reset_channel(dev, ch);
|
||||
} else {
|
||||
setbits32(priv->reg + TALITOS_CCCR(ch),
|
||||
setbits32(priv->chan[ch].reg + TALITOS_CCCR,
|
||||
TALITOS_CCCR_CONT);
|
||||
setbits32(priv->reg + TALITOS_CCCR_LO(ch), 0);
|
||||
while ((in_be32(priv->reg + TALITOS_CCCR(ch)) &
|
||||
setbits32(priv->chan[ch].reg + TALITOS_CCCR_LO, 0);
|
||||
while ((in_be32(priv->chan[ch].reg + TALITOS_CCCR) &
|
||||
TALITOS_CCCR_CONT) && --timeout)
|
||||
cpu_relax();
|
||||
if (timeout == 0) {
|
||||
|
@ -2710,6 +2713,10 @@ static int talitos_probe(struct platform_device *ofdev)
|
|||
goto err_out;
|
||||
}
|
||||
|
||||
for (i = 0; i < priv->num_channels; i++)
|
||||
priv->chan[i].reg = priv->reg + TALITOS_CH_BASE_OFFSET +
|
||||
TALITOS_CH_STRIDE * (i + 1);
|
||||
|
||||
for (i = 0; i < priv->num_channels; i++) {
|
||||
spin_lock_init(&priv->chan[i].head_lock);
|
||||
spin_lock_init(&priv->chan[i].tail_lock);
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/*
|
||||
* Freescale SEC (talitos) device register and descriptor header defines
|
||||
*
|
||||
* Copyright (c) 2006-2010 Freescale Semiconductor, Inc.
|
||||
* Copyright (c) 2006-2011 Freescale Semiconductor, Inc.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
|
@ -49,13 +49,14 @@
|
|||
#define TALITOS_ICR_LO 0x101C
|
||||
|
||||
/* channel register address stride */
|
||||
#define TALITOS_CH_BASE_OFFSET 0x1000 /* default channel map base */
|
||||
#define TALITOS_CH_STRIDE 0x100
|
||||
|
||||
/* channel configuration register */
|
||||
#define TALITOS_CCCR(ch) (ch * TALITOS_CH_STRIDE + 0x1108)
|
||||
#define TALITOS_CCCR 0x8
|
||||
#define TALITOS_CCCR_CONT 0x2 /* channel continue */
|
||||
#define TALITOS_CCCR_RESET 0x1 /* channel reset */
|
||||
#define TALITOS_CCCR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x110c)
|
||||
#define TALITOS_CCCR_LO 0xc
|
||||
#define TALITOS_CCCR_LO_IWSE 0x80 /* chan. ICCR writeback enab. */
|
||||
#define TALITOS_CCCR_LO_EAE 0x20 /* extended address enable */
|
||||
#define TALITOS_CCCR_LO_CDWE 0x10 /* chan. done writeback enab. */
|
||||
|
@ -63,8 +64,8 @@
|
|||
#define TALITOS_CCCR_LO_CDIE 0x2 /* channel done IRQ enable */
|
||||
|
||||
/* CCPSR: channel pointer status register */
|
||||
#define TALITOS_CCPSR(ch) (ch * TALITOS_CH_STRIDE + 0x1110)
|
||||
#define TALITOS_CCPSR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1114)
|
||||
#define TALITOS_CCPSR 0x10
|
||||
#define TALITOS_CCPSR_LO 0x14
|
||||
#define TALITOS_CCPSR_LO_DOF 0x8000 /* double FF write oflow error */
|
||||
#define TALITOS_CCPSR_LO_SOF 0x4000 /* single FF write oflow error */
|
||||
#define TALITOS_CCPSR_LO_MDTE 0x2000 /* master data transfer error */
|
||||
|
@ -79,24 +80,24 @@
|
|||
#define TALITOS_CCPSR_LO_SRL 0x0010 /* scatter return/length error */
|
||||
|
||||
/* channel fetch fifo register */
|
||||
#define TALITOS_FF(ch) (ch * TALITOS_CH_STRIDE + 0x1148)
|
||||
#define TALITOS_FF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x114c)
|
||||
#define TALITOS_FF 0x48
|
||||
#define TALITOS_FF_LO 0x4c
|
||||
|
||||
/* current descriptor pointer register */
|
||||
#define TALITOS_CDPR(ch) (ch * TALITOS_CH_STRIDE + 0x1140)
|
||||
#define TALITOS_CDPR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1144)
|
||||
#define TALITOS_CDPR 0x40
|
||||
#define TALITOS_CDPR_LO 0x44
|
||||
|
||||
/* descriptor buffer register */
|
||||
#define TALITOS_DESCBUF(ch) (ch * TALITOS_CH_STRIDE + 0x1180)
|
||||
#define TALITOS_DESCBUF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1184)
|
||||
#define TALITOS_DESCBUF 0x80
|
||||
#define TALITOS_DESCBUF_LO 0x84
|
||||
|
||||
/* gather link table */
|
||||
#define TALITOS_GATHER(ch) (ch * TALITOS_CH_STRIDE + 0x11c0)
|
||||
#define TALITOS_GATHER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11c4)
|
||||
#define TALITOS_GATHER 0xc0
|
||||
#define TALITOS_GATHER_LO 0xc4
|
||||
|
||||
/* scatter link table */
|
||||
#define TALITOS_SCATTER(ch) (ch * TALITOS_CH_STRIDE + 0x11e0)
|
||||
#define TALITOS_SCATTER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11e4)
|
||||
#define TALITOS_SCATTER 0xe0
|
||||
#define TALITOS_SCATTER_LO 0xe4
|
||||
|
||||
/* execution unit interrupt status registers */
|
||||
#define TALITOS_DEUISR 0x2030 /* DES unit */
|
||||
|
|
Loading…
Reference in a new issue