From 1e937b7ead0f015581be9752324f13990ad5d8f9 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sat, 22 Dec 2007 20:55:20 +0000 Subject: [PATCH] cleanup more ifxmips ssc reg acceses SVN-Revision: 9844 --- .../ifxmips/files/drivers/char/ifxmips_ssc.c | 94 +++++++++---------- 1 file changed, 43 insertions(+), 51 deletions(-) diff --git a/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c b/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c index d5f584506ef2..9f5c0047a5f1 100644 --- a/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c +++ b/target/linux/ifxmips/files/drivers/char/ifxmips_ssc.c @@ -205,7 +205,7 @@ rx_int (struct ifx_ssc_port *info) { disable_irq(info->rxirq); wake_up_interruptible (&info->rwait); - } else if ((info->opts.modeRxTx == IFX_SSC_MODE_RX) && (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) == 0)) + } else if ((info->opts.modeRxTx == IFX_SSC_MODE_RX) && (readl(IFXMIPS_SSC_RXCNT) == 0)) { if (info->rxbuf_end - info->rxbuf_ptr < IFX_SSC_RXREQ_BLOCK_SIZE) writel((info->rxbuf_end - info->rxbuf_ptr) << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ); @@ -523,13 +523,13 @@ ifx_ssc_read_helper (struct ifx_ssc_port *info, char *buf, size_t len, int from_ enable_irq(info->rxirq); } else { local_irq_restore(flags); - if (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK) + if (readl(IFXMIPS_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK) return -EBUSY; enable_irq(info->rxirq); if (len < IFX_SSC_RXREQ_BLOCK_SIZE) - WRITE_PERIPHERAL_REGISTER (len << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ); + writel(len << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ); else - WRITE_PERIPHERAL_REGISTER (IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET, info->mapbase + IFX_SSC_RXREQ); + writel(IFX_SSC_RXREQ_BLOCK_SIZE << IFX_SSC_RXREQ_RXCOUNT_OFFSET, IFXMIPS_SSC_RXREQ); } __add_wait_queue (&info->rwait, &wait); @@ -720,7 +720,7 @@ ifx_ssc_frm_status_get (struct ifx_ssc_port *info) info->frm_status.PauseBusy = (tmp & IFX_SSC_SFSTAT_IN_PAUSE) > 0; info->frm_status.DataCount = (tmp & IFX_SSC_SFSTAT_DATA_COUNT_MASK) >> IFX_SSC_SFSTAT_DATA_COUNT_OFFSET; info->frm_status.PauseCount = (tmp & IFX_SSC_SFSTAT_PAUSE_COUNT_MASK) >> IFX_SSC_SFSTAT_PAUSE_COUNT_OFFSET; - tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON); + tmp = readl(IFXMIPS_SSC_SFCON); info->frm_status.EnIntAfterData = (tmp & IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE) > 0; info->frm_status.EnIntAfterPause = (tmp & IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE) > 0; @@ -733,7 +733,7 @@ ifx_ssc_frm_control_get (struct ifx_ssc_port *info) { unsigned long tmp; - tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON); + tmp = readl(IFXMIPS_SSC_SFCON); info->frm_opts.FrameEnable = (tmp & IFX_SSC_SFCON_SF_ENABLE) > 0; info->frm_opts.DataLength = (tmp & IFX_SSC_SFCON_DATA_LENGTH_MASK) >> IFX_SSC_SFCON_DATA_LENGTH_OFFSET; info->frm_opts.PauseLength = (tmp & IFX_SSC_SFCON_PAUSE_LENGTH_MASK) >> IFX_SSC_SFCON_PAUSE_LENGTH_OFFSET; @@ -759,7 +759,7 @@ ifx_ssc_frm_control_set (struct ifx_ssc_port *info) return -EINVAL; // read interrupt bits (they're not changed here) - tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_SFCON) & + tmp = readl(IFXMIPS_SSC_SFCON) & (IFX_SSC_SFCON_FIR_ENABLE_BEFORE_PAUSE | IFX_SSC_SFCON_FIR_ENABLE_AFTER_PAUSE); // set all values with respect to it's bit position (for data and pause @@ -771,7 +771,7 @@ ifx_ssc_frm_control_set (struct ifx_ssc_port *info) tmp |= info->frm_opts.FrameEnable * IFX_SSC_SFCON_SF_ENABLE; tmp |= info->frm_opts.StopAfterPause * IFX_SSC_SFCON_STOP_AFTER_PAUSE; - WRITE_PERIPHERAL_REGISTER(tmp, info->mapbase + IFX_SSC_SFCON); + writel(tmp, IFXMIPS_SSC_SFCON); return 0; } @@ -784,12 +784,12 @@ ifx_ssc_rxtx_mode_set (struct ifx_ssc_port *info, unsigned int val) if (!(info) || (val & ~(IFX_SSC_MODE_MASK))) return -EINVAL; - if ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_BUSY) - || (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK)) + if ((readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_BUSY) + || (readl(IFXMIPS_SSC_RXCNT) & IFX_SSC_RXCNT_TODO_MASK)) return -EBUSY; - tmp = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) & ~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)) | (val); - WRITE_PERIPHERAL_REGISTER (tmp, info->mapbase + IFX_SSC_CON); + tmp = (readl(IFXMIPS_SSC_CON) & ~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)) | (val); + writel(tmp, IFXMIPS_SSC_SFCON); info->opts.modeRxTx = val; return 0; @@ -839,20 +839,20 @@ ifx_ssc_sethwopts (struct ifx_ssc_port *info) local_irq_save (flags); - WRITE_PERIPHERAL_REGISTER (bits, info->mapbase + IFX_SSC_CON); - WRITE_PERIPHERAL_REGISTER ((info->opts.gpoCs << IFX_SSC_GPOCON_ISCSB0_POS) | - (info->opts.gpoInv << IFX_SSC_GPOCON_INVOUT0_POS), info->mapbase + IFX_SSC_GPOCON); + writel(bits, IFXMIPS_SSC_CON); + writel((info->opts.gpoCs << IFX_SSC_GPOCON_ISCSB0_POS) | + (info->opts.gpoInv << IFX_SSC_GPOCON_INVOUT0_POS), IFXMIPS_SSC_GPOCON); - WRITE_PERIPHERAL_REGISTER (info->opts.gpoCs << IFX_SSC_WHBGPOSTAT_SETOUT0_POS, info->mapbase + IFX_SSC_WHBGPOSTAT); + writel(info->opts.gpoCs << IFX_SSC_WHBGPOSTAT_SETOUT0_POS, IFXMIPS_SSC_WHBGPOSTAT); //master mode if (opts->masterSelect) - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE); + writel(IFX_SSC_WHBSTATE_SET_MASTER_SELECT, IFXMIPS_SSC_WHBSTATE); else - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_MASTER_SELECT, info->mapbase + IFX_SSC_WHBSTATE); + writel(IFX_SSC_WHBSTATE_CLR_MASTER_SELECT, IFXMIPS_SSC_WHBSTATE); // init serial framing - WRITE_PERIPHERAL_REGISTER (0, info->mapbase + IFX_SSC_SFCON); + writel(0, IFXMIPS_SSC_SFCON); /* set up the port pins */ //check for general requirements to switch (external) pad/pin characteristics /* TODO: P0.9 SPI_CS4, P0.10 SPI_CS5, P 0.11 SPI_CS6, because of ASC0 */ @@ -896,23 +896,23 @@ ifx_ssc_set_baud (struct ifx_ssc_port *info, unsigned int baud) local_irq_save (flags); - enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED); - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE); + enabled = (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED); + writel(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE); br = (((ifx_ssc_clock >> 1) + baud / 2) / baud) - 1; wmb(); if (br > 0xffff || ((br == 0) && - ((READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_MASTER) == 0))) { + ((readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_MASTER) == 0))) { local_irq_restore (flags); printk ("%s: invalid baudrate %u\n", __func__, baud); return -EINVAL; } - WRITE_PERIPHERAL_REGISTER (br, info->mapbase + IFX_SSC_BR); + writel(br, IFXMIPS_SSC_BR); if (enabled) - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE); + writel(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE); local_irq_restore(flags); @@ -926,8 +926,8 @@ ifx_ssc_hwinit (struct ifx_ssc_port *info) unsigned long flags; bool enabled; - enabled = (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED); - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, info->mapbase + IFX_SSC_WHBSTATE); + enabled = (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_IS_ENABLED); + writel(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE); if (ifx_ssc_sethwopts (info) < 0) { @@ -944,16 +944,14 @@ ifx_ssc_hwinit (struct ifx_ssc_port *info) local_irq_save (flags); /* TX FIFO */ - WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, - info->mapbase + IFX_SSC_TXFCON); + writel((IFX_SSC_DEF_TXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_TXFCON); /* RX FIFO */ - WRITE_PERIPHERAL_REGISTER ((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, - info->mapbase + IFX_SSC_RXFCON); + writel((IFX_SSC_DEF_RXFIFO_FL << IFX_SSC_XFCON_ITL_OFFSET) | IFX_SSC_XFCON_FIFO_ENABLE, IFXMIPS_SSC_RXFCON); local_irq_restore (flags); if (enabled) - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_SET_ENABLE, info->mapbase + IFX_SSC_WHBSTATE); + writel(IFX_SSC_WHBSTATE_SET_ENABLE, IFXMIPS_SSC_WHBSTATE); return 0; } @@ -1001,8 +999,7 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne /* if the buffers are not empty then the port is */ /* busy and we shouldn't change things on-the-fly! */ if (!info->txbuf || !info->rxbuf || - (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) - & IFX_SSC_STATE_BUSY)) { + (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_BUSY)) { ret_val = -EBUSY; break; } @@ -1043,7 +1040,7 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne ret_val = ifx_ssc_rxtx_mode_set (info, tmp); break; case IFX_SSC_RXTX_MODE_GET: - tmp = READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_CON) & + tmp = readl(IFXMIPS_SSC_CON) & (~(IFX_SSC_CON_RX_OFF | IFX_SSC_CON_TX_OFF)); if (from_kernel) *((unsigned int *) data) = tmp; @@ -1067,29 +1064,25 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne if (tmp > IFX_SSC_MAX_GPO_OUT) ret_val = -EINVAL; else - WRITE_PERIPHERAL_REGISTER - (1 << (tmp + IFX_SSC_WHBGPOSTAT_SETOUT0_POS), - info->mapbase + IFX_SSC_WHBGPOSTAT); + writel(1 << (tmp + IFX_SSC_WHBGPOSTAT_SETOUT0_POS), + IFXMIPS_SSC_WHBGPOSTAT); break; case IFX_SSC_GPO_OUT_CLR: if (from_kernel) tmp = *((unsigned long *) data); - else if (copy_from_user ((void *) &tmp, - (void *) data, sizeof (tmp))) { + else if (copy_from_user ((void *) &tmp, (void *) data, sizeof (tmp))) { ret_val = -EFAULT; break; } if (tmp > IFX_SSC_MAX_GPO_OUT) ret_val = -EINVAL; else { - WRITE_PERIPHERAL_REGISTER - (1 << (tmp + IFX_SSC_WHBGPOSTAT_CLROUT0_POS), - info->mapbase + IFX_SSC_WHBGPOSTAT); + writel(1 << (tmp + IFX_SSC_WHBGPOSTAT_CLROUT0_POS), + IFXMIPS_SSC_WHBGPOSTAT); } break; case IFX_SSC_GPO_OUT_GET: - tmp = READ_PERIPHERAL_REGISTER - (info->mapbase + IFX_SSC_GPOSTAT); + tmp = readl(IFXMIPS_SSC_GPOSTAT); if (from_kernel) *((unsigned int *) data) = tmp; else if (copy_to_user ((void *) data, @@ -1133,7 +1126,7 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne /* if the buffers are not empty then the port is */ /* busy and we shouldn't change things on-the-fly! */ if (!info->txbuf || !info->rxbuf || - (READ_PERIPHERAL_REGISTER (info->mapbase + IFX_SSC_STATE) + (readl(IFXMIPS_SSC_STATE) & IFX_SSC_STATE_BUSY)) { ret_val = -EBUSY; break; @@ -1142,8 +1135,7 @@ ifx_ssc_ioctl (struct inode *inode, struct file *filp, unsigned int cmd, unsigne memcpy ((void *) &info->opts, (void *) data, sizeof (struct ifx_ssc_hwopts)); else if (copy_from_user ((void *) &info->opts, - (void *) data, - sizeof (struct ifx_ssc_hwopts))) { + (void *) data, sizeof(struct ifx_ssc_hwopts))) { ret_val = -EFAULT; break; } @@ -1240,14 +1232,14 @@ ifx_ssc_init (void) info->errirq = IFXMIPS_SSC_EIR; } - WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_RMC << IFX_CLC_RUN_DIVIDER_OFFSET, info->mapbase + IFX_SSC_CLC); + writel(IFX_SSC_DEF_RMC << IFX_CLC_RUN_DIVIDER_OFFSET, IFXMIPS_SSC_CLC); init_waitqueue_head (&info->rwait); local_irq_save (flags); // init serial framing register - WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_SFCON, info->mapbase + IFX_SSC_SFCON); + writel(IFX_SSC_DEF_SFCON, IFXMIPS_SSC_SFCON); ret_val = request_irq(info->txirq, ifx_ssc_tx_int, SA_INTERRUPT, "ifx_ssc_tx", info); if (ret_val) @@ -1272,7 +1264,7 @@ ifx_ssc_init (void) local_irq_restore (flags); goto irqerr; } - WRITE_PERIPHERAL_REGISTER (IFX_SSC_DEF_IRNEN, info->mapbase + IFX_SSC_IRN_EN); + writel(IFX_SSC_DEF_IRNEN, IFXMIPS_SSC_IRN); enable_irq(info->txirq); enable_irq(info->rxirq); @@ -1308,7 +1300,7 @@ ifx_ssc_cleanup_module (void) int i; for (i = 0; i < PORT_CNT; i++) { - WRITE_PERIPHERAL_REGISTER (IFX_SSC_WHBSTATE_CLR_ENABLE, isp[i].mapbase + IFX_SSC_WHBSTATE); + writel(IFX_SSC_WHBSTATE_CLR_ENABLE, IFXMIPS_SSC_WHBSTATE); free_irq(isp[i].txirq, &isp[i]); free_irq(isp[i].rxirq, &isp[i]); free_irq(isp[i].errirq, &isp[i]); -- 2.30.2