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-rw-r--r--drivers/serial/cpm_uart/Makefile11
-rw-r--r--drivers/serial/cpm_uart/cpm_uart.h142
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_core.c1597
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c291
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.h44
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.c398
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm2.h44
7 files changed, 0 insertions, 2527 deletions
diff --git a/drivers/serial/cpm_uart/Makefile b/drivers/serial/cpm_uart/Makefile
deleted file mode 100644
index e072724ea75..00000000000
--- a/drivers/serial/cpm_uart/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# Makefile for the Motorola 8xx FEC ethernet controller
-#
-
-obj-$(CONFIG_SERIAL_CPM) += cpm_uart.o
-
-# Select the correct platform objects.
-cpm_uart-objs-$(CONFIG_CPM2) += cpm_uart_cpm2.o
-cpm_uart-objs-$(CONFIG_8xx) += cpm_uart_cpm1.o
-
-cpm_uart-objs := cpm_uart_core.o $(cpm_uart-objs-y)
diff --git a/drivers/serial/cpm_uart/cpm_uart.h b/drivers/serial/cpm_uart/cpm_uart.h
deleted file mode 100644
index 32b9737759c..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart.h
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart.h
- *
- * Driver for CPM (SCC/SMC) serial ports
- *
- * Copyright (C) 2004 Freescale Semiconductor, Inc.
- *
- * 2006 (c) MontaVista Software, Inc.
- * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * 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.
- *
- */
-#ifndef CPM_UART_H
-#define CPM_UART_H
-
-#include <linux/platform_device.h>
-#include <linux/fs_uart_pd.h>
-
-#if defined(CONFIG_CPM2)
-#include "cpm_uart_cpm2.h"
-#elif defined(CONFIG_8xx)
-#include "cpm_uart_cpm1.h"
-#endif
-
-#define SERIAL_CPM_MAJOR 204
-#define SERIAL_CPM_MINOR 46
-
-#define IS_SMC(pinfo) (pinfo->flags & FLAG_SMC)
-#define IS_DISCARDING(pinfo) (pinfo->flags & FLAG_DISCARDING)
-#define FLAG_DISCARDING 0x00000004 /* when set, don't discard */
-#define FLAG_SMC 0x00000002
-#define FLAG_CONSOLE 0x00000001
-
-#define UART_SMC1 fsid_smc1_uart
-#define UART_SMC2 fsid_smc2_uart
-#define UART_SCC1 fsid_scc1_uart
-#define UART_SCC2 fsid_scc2_uart
-#define UART_SCC3 fsid_scc3_uart
-#define UART_SCC4 fsid_scc4_uart
-
-#define UART_NR fs_uart_nr
-
-#define RX_NUM_FIFO 4
-#define RX_BUF_SIZE 32
-#define TX_NUM_FIFO 4
-#define TX_BUF_SIZE 32
-
-#define SCC_WAIT_CLOSING 100
-
-struct uart_cpm_port {
- struct uart_port port;
- u16 rx_nrfifos;
- u16 rx_fifosize;
- u16 tx_nrfifos;
- u16 tx_fifosize;
- smc_t __iomem *smcp;
- smc_uart_t __iomem *smcup;
- scc_t __iomem *sccp;
- scc_uart_t __iomem *sccup;
- cbd_t __iomem *rx_bd_base;
- cbd_t __iomem *rx_cur;
- cbd_t __iomem *tx_bd_base;
- cbd_t __iomem *tx_cur;
- unsigned char *tx_buf;
- unsigned char *rx_buf;
- u32 flags;
- void (*set_lineif)(struct uart_cpm_port *);
- u8 brg;
- uint dp_addr;
- void *mem_addr;
- dma_addr_t dma_addr;
- u32 mem_size;
- /* helpers */
- int baud;
- int bits;
- /* Keep track of 'odd' SMC2 wirings */
- int is_portb;
- /* wait on close if needed */
- int wait_closing;
- /* value to combine with opcode to form cpm command */
- u32 command;
-};
-
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-extern int cpm_uart_port_map[UART_NR];
-#endif
-extern int cpm_uart_nr;
-extern struct uart_cpm_port cpm_uart_ports[UART_NR];
-
-/* these are located in their respective files */
-void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd);
-int cpm_uart_init_portdesc(void);
-int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con);
-void cpm_uart_freebuf(struct uart_cpm_port *pinfo);
-
-void smc1_lineif(struct uart_cpm_port *pinfo);
-void smc2_lineif(struct uart_cpm_port *pinfo);
-void scc1_lineif(struct uart_cpm_port *pinfo);
-void scc2_lineif(struct uart_cpm_port *pinfo);
-void scc3_lineif(struct uart_cpm_port *pinfo);
-void scc4_lineif(struct uart_cpm_port *pinfo);
-
-/*
- virtual to phys transtalion
-*/
-static inline unsigned long cpu2cpm_addr(void *addr,
- struct uart_cpm_port *pinfo)
-{
- int offset;
- u32 val = (u32)addr;
- u32 mem = (u32)pinfo->mem_addr;
- /* sane check */
- if (likely(val >= mem && val < mem + pinfo->mem_size)) {
- offset = val - mem;
- return pinfo->dma_addr + offset;
- }
- /* something nasty happened */
- BUG();
- return 0;
-}
-
-static inline void *cpm2cpu_addr(unsigned long addr,
- struct uart_cpm_port *pinfo)
-{
- int offset;
- u32 val = addr;
- u32 dma = (u32)pinfo->dma_addr;
- /* sane check */
- if (likely(val >= dma && val < dma + pinfo->mem_size)) {
- offset = val - dma;
- return pinfo->mem_addr + offset;
- }
- /* something nasty happened */
- BUG();
- return NULL;
-}
-
-
-#endif /* CPM_UART_H */
diff --git a/drivers/serial/cpm_uart/cpm_uart_core.c b/drivers/serial/cpm_uart/cpm_uart_core.c
deleted file mode 100644
index 236af9d3385..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart_core.c
+++ /dev/null
@@ -1,1597 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart.c
- *
- * Driver for CPM (SCC/SMC) serial ports; core driver
- *
- * Based on arch/ppc/cpm2_io/uart.c by Dan Malek
- * Based on ppc8xx.c by Thomas Gleixner
- * Based on drivers/serial/amba.c by Russell King
- *
- * Maintainer: Kumar Gala (galak@kernel.crashing.org) (CPM2)
- * Pantelis Antoniou (panto@intracom.gr) (CPM1)
- *
- * Copyright (C) 2004, 2007 Freescale Semiconductor, Inc.
- * (C) 2004 Intracom, S.A.
- * (C) 2005-2006 MontaVista Software, Inc.
- * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/tty.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/serial.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/device.h>
-#include <linux/bootmem.h>
-#include <linux/dma-mapping.h>
-#include <linux/fs_uart_pd.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/delay.h>
-#include <asm/fs_pd.h>
-#include <asm/udbg.h>
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
-#include <linux/of_platform.h>
-#endif
-
-#if defined(CONFIG_SERIAL_CPM_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ)
-#define SUPPORT_SYSRQ
-#endif
-
-#include <linux/serial_core.h>
-#include <linux/kernel.h>
-
-#include "cpm_uart.h"
-
-
-/**************************************************************/
-
-static int cpm_uart_tx_pump(struct uart_port *port);
-static void cpm_uart_init_smc(struct uart_cpm_port *pinfo);
-static void cpm_uart_init_scc(struct uart_cpm_port *pinfo);
-static void cpm_uart_initbd(struct uart_cpm_port *pinfo);
-
-/**************************************************************/
-
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-/* Track which ports are configured as uarts */
-int cpm_uart_port_map[UART_NR];
-/* How many ports did we config as uarts */
-int cpm_uart_nr;
-
-/* Place-holder for board-specific stuff */
-struct platform_device* __attribute__ ((weak)) __init
-early_uart_get_pdev(int index)
-{
- return NULL;
-}
-
-
-static void cpm_uart_count(void)
-{
- cpm_uart_nr = 0;
-#ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC1;
-#endif
-#ifdef CONFIG_SERIAL_CPM_SMC2
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC2;
-#endif
-#ifdef CONFIG_SERIAL_CPM_SCC1
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC1;
-#endif
-#ifdef CONFIG_SERIAL_CPM_SCC2
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC2;
-#endif
-#ifdef CONFIG_SERIAL_CPM_SCC3
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC3;
-#endif
-#ifdef CONFIG_SERIAL_CPM_SCC4
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC4;
-#endif
-}
-
-/* Get UART number by its id */
-static int cpm_uart_id2nr(int id)
-{
- int i;
- if (id < UART_NR) {
- for (i=0; i<UART_NR; i++) {
- if (cpm_uart_port_map[i] == id)
- return i;
- }
- }
-
- /* not found or invalid argument */
- return -1;
-}
-#endif
-
-/*
- * Check, if transmit buffers are processed
-*/
-static unsigned int cpm_uart_tx_empty(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- cbd_t __iomem *bdp = pinfo->tx_bd_base;
- int ret = 0;
-
- while (1) {
- if (in_be16(&bdp->cbd_sc) & BD_SC_READY)
- break;
-
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP) {
- ret = TIOCSER_TEMT;
- break;
- }
- bdp++;
- }
-
- pr_debug("CPM uart[%d]:tx_empty: %d\n", port->line, ret);
-
- return ret;
-}
-
-static void cpm_uart_set_mctrl(struct uart_port *port, unsigned int mctrl)
-{
- /* Whee. Do nothing. */
-}
-
-static unsigned int cpm_uart_get_mctrl(struct uart_port *port)
-{
- /* Whee. Do nothing. */
- return TIOCM_CAR | TIOCM_DSR | TIOCM_CTS;
-}
-
-/*
- * Stop transmitter
- */
-static void cpm_uart_stop_tx(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- smc_t __iomem *smcp = pinfo->smcp;
- scc_t __iomem *sccp = pinfo->sccp;
-
- pr_debug("CPM uart[%d]:stop tx\n", port->line);
-
- if (IS_SMC(pinfo))
- clrbits8(&smcp->smc_smcm, SMCM_TX);
- else
- clrbits16(&sccp->scc_sccm, UART_SCCM_TX);
-}
-
-/*
- * Start transmitter
- */
-static void cpm_uart_start_tx(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- smc_t __iomem *smcp = pinfo->smcp;
- scc_t __iomem *sccp = pinfo->sccp;
-
- pr_debug("CPM uart[%d]:start tx\n", port->line);
-
- if (IS_SMC(pinfo)) {
- if (in_8(&smcp->smc_smcm) & SMCM_TX)
- return;
- } else {
- if (in_be16(&sccp->scc_sccm) & UART_SCCM_TX)
- return;
- }
-
- if (cpm_uart_tx_pump(port) != 0) {
- if (IS_SMC(pinfo)) {
- setbits8(&smcp->smc_smcm, SMCM_TX);
- } else {
- setbits16(&sccp->scc_sccm, UART_SCCM_TX);
- }
- }
-}
-
-/*
- * Stop receiver
- */
-static void cpm_uart_stop_rx(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- smc_t __iomem *smcp = pinfo->smcp;
- scc_t __iomem *sccp = pinfo->sccp;
-
- pr_debug("CPM uart[%d]:stop rx\n", port->line);
-
- if (IS_SMC(pinfo))
- clrbits8(&smcp->smc_smcm, SMCM_RX);
- else
- clrbits16(&sccp->scc_sccm, UART_SCCM_RX);
-}
-
-/*
- * Enable Modem status interrupts
- */
-static void cpm_uart_enable_ms(struct uart_port *port)
-{
- pr_debug("CPM uart[%d]:enable ms\n", port->line);
-}
-
-/*
- * Generate a break.
- */
-static void cpm_uart_break_ctl(struct uart_port *port, int break_state)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-
- pr_debug("CPM uart[%d]:break ctrl, break_state: %d\n", port->line,
- break_state);
-
- if (break_state)
- cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
- else
- cpm_line_cr_cmd(pinfo, CPM_CR_RESTART_TX);
-}
-
-/*
- * Transmit characters, refill buffer descriptor, if possible
- */
-static void cpm_uart_int_tx(struct uart_port *port)
-{
- pr_debug("CPM uart[%d]:TX INT\n", port->line);
-
- cpm_uart_tx_pump(port);
-}
-
-/*
- * Receive characters
- */
-static void cpm_uart_int_rx(struct uart_port *port)
-{
- int i;
- unsigned char ch;
- u8 *cp;
- struct tty_struct *tty = port->info->tty;
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- cbd_t __iomem *bdp;
- u16 status;
- unsigned int flg;
-
- pr_debug("CPM uart[%d]:RX INT\n", port->line);
-
- /* Just loop through the closed BDs and copy the characters into
- * the buffer.
- */
- bdp = pinfo->rx_cur;
- for (;;) {
- /* get status */
- status = in_be16(&bdp->cbd_sc);
- /* If this one is empty, return happy */
- if (status & BD_SC_EMPTY)
- break;
-
- /* get number of characters, and check spce in flip-buffer */
- i = in_be16(&bdp->cbd_datlen);
-
- /* If we have not enough room in tty flip buffer, then we try
- * later, which will be the next rx-interrupt or a timeout
- */
- if(tty_buffer_request_room(tty, i) < i) {
- printk(KERN_WARNING "No room in flip buffer\n");
- return;
- }
-
- /* get pointer */
- cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
-
- /* loop through the buffer */
- while (i-- > 0) {
- ch = *cp++;
- port->icount.rx++;
- flg = TTY_NORMAL;
-
- if (status &
- (BD_SC_BR | BD_SC_FR | BD_SC_PR | BD_SC_OV))
- goto handle_error;
- if (uart_handle_sysrq_char(port, ch))
- continue;
-
- error_return:
- tty_insert_flip_char(tty, ch, flg);
-
- } /* End while (i--) */
-
- /* This BD is ready to be used again. Clear status. get next */
- clrbits16(&bdp->cbd_sc, BD_SC_BR | BD_SC_FR | BD_SC_PR |
- BD_SC_OV | BD_SC_ID);
- setbits16(&bdp->cbd_sc, BD_SC_EMPTY);
-
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
- bdp = pinfo->rx_bd_base;
- else
- bdp++;
-
- } /* End for (;;) */
-
- /* Write back buffer pointer */
- pinfo->rx_cur = bdp;
-
- /* activate BH processing */
- tty_flip_buffer_push(tty);
-
- return;
-
- /* Error processing */
-
- handle_error:
- /* Statistics */
- if (status & BD_SC_BR)
- port->icount.brk++;
- if (status & BD_SC_PR)
- port->icount.parity++;
- if (status & BD_SC_FR)
- port->icount.frame++;
- if (status & BD_SC_OV)
- port->icount.overrun++;
-
- /* Mask out ignored conditions */
- status &= port->read_status_mask;
-
- /* Handle the remaining ones */
- if (status & BD_SC_BR)
- flg = TTY_BREAK;
- else if (status & BD_SC_PR)
- flg = TTY_PARITY;
- else if (status & BD_SC_FR)
- flg = TTY_FRAME;
-
- /* overrun does not affect the current character ! */
- if (status & BD_SC_OV) {
- ch = 0;
- flg = TTY_OVERRUN;
- /* We skip this buffer */
- /* CHECK: Is really nothing senseful there */
- /* ASSUMPTION: it contains nothing valid */
- i = 0;
- }
-#ifdef SUPPORT_SYSRQ
- port->sysrq = 0;
-#endif
- goto error_return;
-}
-
-/*
- * Asynchron mode interrupt handler
- */
-static irqreturn_t cpm_uart_int(int irq, void *data)
-{
- u8 events;
- struct uart_port *port = data;
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- smc_t __iomem *smcp = pinfo->smcp;
- scc_t __iomem *sccp = pinfo->sccp;
-
- pr_debug("CPM uart[%d]:IRQ\n", port->line);
-
- if (IS_SMC(pinfo)) {
- events = in_8(&smcp->smc_smce);
- out_8(&smcp->smc_smce, events);
- if (events & SMCM_BRKE)
- uart_handle_break(port);
- if (events & SMCM_RX)
- cpm_uart_int_rx(port);
- if (events & SMCM_TX)
- cpm_uart_int_tx(port);
- } else {
- events = in_be16(&sccp->scc_scce);
- out_be16(&sccp->scc_scce, events);
- if (events & UART_SCCM_BRKE)
- uart_handle_break(port);
- if (events & UART_SCCM_RX)
- cpm_uart_int_rx(port);
- if (events & UART_SCCM_TX)
- cpm_uart_int_tx(port);
- }
- return (events) ? IRQ_HANDLED : IRQ_NONE;
-}
-
-static int cpm_uart_startup(struct uart_port *port)
-{
- int retval;
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-
- pr_debug("CPM uart[%d]:startup\n", port->line);
-
- /* Install interrupt handler. */
- retval = request_irq(port->irq, cpm_uart_int, 0, "cpm_uart", port);
- if (retval)
- return retval;
-
- /* Startup rx-int */
- if (IS_SMC(pinfo)) {
- setbits8(&pinfo->smcp->smc_smcm, SMCM_RX);
- setbits16(&pinfo->smcp->smc_smcmr, (SMCMR_REN | SMCMR_TEN));
- } else {
- setbits16(&pinfo->sccp->scc_sccm, UART_SCCM_RX);
- setbits32(&pinfo->sccp->scc_gsmrl, (SCC_GSMRL_ENR | SCC_GSMRL_ENT));
- }
-
- if (!(pinfo->flags & FLAG_CONSOLE))
- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
- return 0;
-}
-
-inline void cpm_uart_wait_until_send(struct uart_cpm_port *pinfo)
-{
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(pinfo->wait_closing);
-}
-
-/*
- * Shutdown the uart
- */
-static void cpm_uart_shutdown(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-
- pr_debug("CPM uart[%d]:shutdown\n", port->line);
-
- /* free interrupt handler */
- free_irq(port->irq, port);
-
- /* If the port is not the console, disable Rx and Tx. */
- if (!(pinfo->flags & FLAG_CONSOLE)) {
- /* Wait for all the BDs marked sent */
- while(!cpm_uart_tx_empty(port)) {
- set_current_state(TASK_UNINTERRUPTIBLE);
- schedule_timeout(2);
- }
-
- if (pinfo->wait_closing)
- cpm_uart_wait_until_send(pinfo);
-
- /* Stop uarts */
- if (IS_SMC(pinfo)) {
- smc_t __iomem *smcp = pinfo->smcp;
- clrbits16(&smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
- clrbits8(&smcp->smc_smcm, SMCM_RX | SMCM_TX);
- } else {
- scc_t __iomem *sccp = pinfo->sccp;
- clrbits32(&sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- clrbits16(&sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
- }
-
- /* Shut them really down and reinit buffer descriptors */
- if (IS_SMC(pinfo))
- cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
- else
- cpm_line_cr_cmd(pinfo, CPM_CR_GRA_STOP_TX);
-
- cpm_uart_initbd(pinfo);
- }
-}
-
-static void cpm_uart_set_termios(struct uart_port *port,
- struct ktermios *termios,
- struct ktermios *old)
-{
- int baud;
- unsigned long flags;
- u16 cval, scval, prev_mode;
- int bits, sbits;
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- smc_t __iomem *smcp = pinfo->smcp;
- scc_t __iomem *sccp = pinfo->sccp;
-
- pr_debug("CPM uart[%d]:set_termios\n", port->line);
-
- baud = uart_get_baud_rate(port, termios, old, 0, port->uartclk / 16);
-
- /* Character length programmed into the mode register is the
- * sum of: 1 start bit, number of data bits, 0 or 1 parity bit,
- * 1 or 2 stop bits, minus 1.
- * The value 'bits' counts this for us.
- */
- cval = 0;
- scval = 0;
-
- /* byte size */
- switch (termios->c_cflag & CSIZE) {
- case CS5:
- bits = 5;
- break;
- case CS6:
- bits = 6;
- break;
- case CS7:
- bits = 7;
- break;
- case CS8:
- bits = 8;
- break;
- /* Never happens, but GCC is too dumb to figure it out */
- default:
- bits = 8;
- break;
- }
- sbits = bits - 5;
-
- if (termios->c_cflag & CSTOPB) {
- cval |= SMCMR_SL; /* Two stops */
- scval |= SCU_PSMR_SL;
- bits++;
- }
-
- if (termios->c_cflag & PARENB) {
- cval |= SMCMR_PEN;
- scval |= SCU_PSMR_PEN;
- bits++;
- if (!(termios->c_cflag & PARODD)) {
- cval |= SMCMR_PM_EVEN;
- scval |= (SCU_PSMR_REVP | SCU_PSMR_TEVP);
- }
- }
-
- /*
- * Set up parity check flag
- */
-#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-
- port->read_status_mask = (BD_SC_EMPTY | BD_SC_OV);
- if (termios->c_iflag & INPCK)
- port->read_status_mask |= BD_SC_FR | BD_SC_PR;
- if ((termios->c_iflag & BRKINT) || (termios->c_iflag & PARMRK))
- port->read_status_mask |= BD_SC_BR;
-
- /*
- * Characters to ignore
- */
- port->ignore_status_mask = 0;
- if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= BD_SC_PR | BD_SC_FR;
- if (termios->c_iflag & IGNBRK) {
- port->ignore_status_mask |= BD_SC_BR;
- /*
- * If we're ignore parity and break indicators, ignore
- * overruns too. (For real raw support).
- */
- if (termios->c_iflag & IGNPAR)
- port->ignore_status_mask |= BD_SC_OV;
- }
- /*
- * !!! ignore all characters if CREAD is not set
- */
- if ((termios->c_cflag & CREAD) == 0)
- port->read_status_mask &= ~BD_SC_EMPTY;
-
- spin_lock_irqsave(&port->lock, flags);
-
- /* Start bit has not been added (so don't, because we would just
- * subtract it later), and we need to add one for the number of
- * stops bits (there is always at least one).
- */
- bits++;
- if (IS_SMC(pinfo)) {
- /* Set the mode register. We want to keep a copy of the
- * enables, because we want to put them back if they were
- * present.
- */
- prev_mode = in_be16(&smcp->smc_smcmr);
- out_be16(&smcp->smc_smcmr, smcr_mk_clen(bits) | cval | SMCMR_SM_UART);
- setbits16(&smcp->smc_smcmr, (prev_mode & (SMCMR_REN | SMCMR_TEN)));
- } else {
- out_be16(&sccp->scc_psmr, (sbits << 12) | scval);
- }
-
- cpm_set_brg(pinfo->brg - 1, baud);
- spin_unlock_irqrestore(&port->lock, flags);
-}
-
-static const char *cpm_uart_type(struct uart_port *port)
-{
- pr_debug("CPM uart[%d]:uart_type\n", port->line);
-
- return port->type == PORT_CPM ? "CPM UART" : NULL;
-}
-
-/*
- * verify the new serial_struct (for TIOCSSERIAL).
- */
-static int cpm_uart_verify_port(struct uart_port *port,
- struct serial_struct *ser)
-{
- int ret = 0;
-
- pr_debug("CPM uart[%d]:verify_port\n", port->line);
-
- if (ser->type != PORT_UNKNOWN && ser->type != PORT_CPM)
- ret = -EINVAL;
- if (ser->irq < 0 || ser->irq >= NR_IRQS)
- ret = -EINVAL;
- if (ser->baud_base < 9600)
- ret = -EINVAL;
- return ret;
-}
-
-/*
- * Transmit characters, refill buffer descriptor, if possible
- */
-static int cpm_uart_tx_pump(struct uart_port *port)
-{
- cbd_t __iomem *bdp;
- u8 *p;
- int count;
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- struct circ_buf *xmit = &port->info->xmit;
-
- /* Handle xon/xoff */
- if (port->x_char) {
- /* Pick next descriptor and fill from buffer */
- bdp = pinfo->tx_cur;
-
- p = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
-
- *p++ = port->x_char;
-
- out_be16(&bdp->cbd_datlen, 1);
- setbits16(&bdp->cbd_sc, BD_SC_READY);
- /* Get next BD. */
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
- bdp = pinfo->tx_bd_base;
- else
- bdp++;
- pinfo->tx_cur = bdp;
-
- port->icount.tx++;
- port->x_char = 0;
- return 1;
- }
-
- if (uart_circ_empty(xmit) || uart_tx_stopped(port)) {
- cpm_uart_stop_tx(port);
- return 0;
- }
-
- /* Pick next descriptor and fill from buffer */
- bdp = pinfo->tx_cur;
-
- while (!(in_be16(&bdp->cbd_sc) & BD_SC_READY) &&
- xmit->tail != xmit->head) {
- count = 0;
- p = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
- while (count < pinfo->tx_fifosize) {
- *p++ = xmit->buf[xmit->tail];
- xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- port->icount.tx++;
- count++;
- if (xmit->head == xmit->tail)
- break;
- }
- out_be16(&bdp->cbd_datlen, count);
- setbits16(&bdp->cbd_sc, BD_SC_READY);
- /* Get next BD. */
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
- bdp = pinfo->tx_bd_base;
- else
- bdp++;
- }
- pinfo->tx_cur = bdp;
-
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(port);
-
- if (uart_circ_empty(xmit)) {
- cpm_uart_stop_tx(port);
- return 0;
- }
-
- return 1;
-}
-
-/*
- * init buffer descriptors
- */
-static void cpm_uart_initbd(struct uart_cpm_port *pinfo)
-{
- int i;
- u8 *mem_addr;
- cbd_t __iomem *bdp;
-
- pr_debug("CPM uart[%d]:initbd\n", pinfo->port.line);
-
- /* Set the physical address of the host memory
- * buffers in the buffer descriptors, and the
- * virtual address for us to work with.
- */
- mem_addr = pinfo->mem_addr;
- bdp = pinfo->rx_cur = pinfo->rx_bd_base;
- for (i = 0; i < (pinfo->rx_nrfifos - 1); i++, bdp++) {
- out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
- out_be16(&bdp->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT);
- mem_addr += pinfo->rx_fifosize;
- }
-
- out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
- out_be16(&bdp->cbd_sc, BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT);
-
- /* Set the physical address of the host memory
- * buffers in the buffer descriptors, and the
- * virtual address for us to work with.
- */
- mem_addr = pinfo->mem_addr + L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize);
- bdp = pinfo->tx_cur = pinfo->tx_bd_base;
- for (i = 0; i < (pinfo->tx_nrfifos - 1); i++, bdp++) {
- out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
- out_be16(&bdp->cbd_sc, BD_SC_INTRPT);
- mem_addr += pinfo->tx_fifosize;
- }
-
- out_be32(&bdp->cbd_bufaddr, cpu2cpm_addr(mem_addr, pinfo));
- out_be16(&bdp->cbd_sc, BD_SC_WRAP | BD_SC_INTRPT);
-}
-
-static void cpm_uart_init_scc(struct uart_cpm_port *pinfo)
-{
- scc_t __iomem *scp;
- scc_uart_t __iomem *sup;
-
- pr_debug("CPM uart[%d]:init_scc\n", pinfo->port.line);
-
- scp = pinfo->sccp;
- sup = pinfo->sccup;
-
- /* Store address */
- out_be16(&pinfo->sccup->scc_genscc.scc_rbase,
- (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);
- out_be16(&pinfo->sccup->scc_genscc.scc_tbase,
- (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);
-
- /* Set up the uart parameters in the
- * parameter ram.
- */
-
- cpm_set_scc_fcr(sup);
-
- out_be16(&sup->scc_genscc.scc_mrblr, pinfo->rx_fifosize);
- out_be16(&sup->scc_maxidl, pinfo->rx_fifosize);
- out_be16(&sup->scc_brkcr, 1);
- out_be16(&sup->scc_parec, 0);
- out_be16(&sup->scc_frmec, 0);
- out_be16(&sup->scc_nosec, 0);
- out_be16(&sup->scc_brkec, 0);
- out_be16(&sup->scc_uaddr1, 0);
- out_be16(&sup->scc_uaddr2, 0);
- out_be16(&sup->scc_toseq, 0);
- out_be16(&sup->scc_char1, 0x8000);
- out_be16(&sup->scc_char2, 0x8000);
- out_be16(&sup->scc_char3, 0x8000);
- out_be16(&sup->scc_char4, 0x8000);
- out_be16(&sup->scc_char5, 0x8000);
- out_be16(&sup->scc_char6, 0x8000);
- out_be16(&sup->scc_char7, 0x8000);
- out_be16(&sup->scc_char8, 0x8000);
- out_be16(&sup->scc_rccm, 0xc0ff);
-
- /* Send the CPM an initialize command.
- */
- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
-
- /* Set UART mode, 8 bit, no parity, one stop.
- * Enable receive and transmit.
- */
- out_be32(&scp->scc_gsmrh, 0);
- out_be32(&scp->scc_gsmrl,
- SCC_GSMRL_MODE_UART | SCC_GSMRL_TDCR_16 | SCC_GSMRL_RDCR_16);
-
- /* Enable rx interrupts and clear all pending events. */
- out_be16(&scp->scc_sccm, 0);
- out_be16(&scp->scc_scce, 0xffff);
- out_be16(&scp->scc_dsr, 0x7e7e);
- out_be16(&scp->scc_psmr, 0x3000);
-
- setbits32(&scp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
-}
-
-static void cpm_uart_init_smc(struct uart_cpm_port *pinfo)
-{
- smc_t __iomem *sp;
- smc_uart_t __iomem *up;
-
- pr_debug("CPM uart[%d]:init_smc\n", pinfo->port.line);
-
- sp = pinfo->smcp;
- up = pinfo->smcup;
-
- /* Store address */
- out_be16(&pinfo->smcup->smc_rbase,
- (u8 __iomem *)pinfo->rx_bd_base - DPRAM_BASE);
- out_be16(&pinfo->smcup->smc_tbase,
- (u8 __iomem *)pinfo->tx_bd_base - DPRAM_BASE);
-
-/*
- * In case SMC1 is being relocated...
- */
-#if defined (CONFIG_I2C_SPI_SMC1_UCODE_PATCH)
- out_be16(&up->smc_rbptr, in_be16(&pinfo->smcup->smc_rbase));
- out_be16(&up->smc_tbptr, in_be16(&pinfo->smcup->smc_tbase));
- out_be32(&up->smc_rstate, 0);
- out_be32(&up->smc_tstate, 0);
- out_be16(&up->smc_brkcr, 1); /* number of break chars */
- out_be16(&up->smc_brkec, 0);
-#endif
-
- /* Set up the uart parameters in the
- * parameter ram.
- */
- cpm_set_smc_fcr(up);
-
- /* Using idle charater time requires some additional tuning. */
- out_be16(&up->smc_mrblr, pinfo->rx_fifosize);
- out_be16(&up->smc_maxidl, pinfo->rx_fifosize);
- out_be16(&up->smc_brklen, 0);
- out_be16(&up->smc_brkec, 0);
- out_be16(&up->smc_brkcr, 1);
-
- cpm_line_cr_cmd(pinfo, CPM_CR_INIT_TRX);
-
- /* Set UART mode, 8 bit, no parity, one stop.
- * Enable receive and transmit.
- */
- out_be16(&sp->smc_smcmr, smcr_mk_clen(9) | SMCMR_SM_UART);
-
- /* Enable only rx interrupts clear all pending events. */
- out_8(&sp->smc_smcm, 0);
- out_8(&sp->smc_smce, 0xff);
-
- setbits16(&sp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
-}
-
-/*
- * Initialize port. This is called from early_console stuff
- * so we have to be careful here !
- */
-static int cpm_uart_request_port(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
- int ret;
-
- pr_debug("CPM uart[%d]:request port\n", port->line);
-
- if (pinfo->flags & FLAG_CONSOLE)
- return 0;
-
- if (IS_SMC(pinfo)) {
- clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX | SMCM_TX);
- clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
- } else {
- clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
- clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- }
-
- ret = cpm_uart_allocbuf(pinfo, 0);
-
- if (ret)
- return ret;
-
- cpm_uart_initbd(pinfo);
- if (IS_SMC(pinfo))
- cpm_uart_init_smc(pinfo);
- else
- cpm_uart_init_scc(pinfo);
-
- return 0;
-}
-
-static void cpm_uart_release_port(struct uart_port *port)
-{
- struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
-
- if (!(pinfo->flags & FLAG_CONSOLE))
- cpm_uart_freebuf(pinfo);
-}
-
-/*
- * Configure/autoconfigure the port.
- */
-static void cpm_uart_config_port(struct uart_port *port, int flags)
-{
- pr_debug("CPM uart[%d]:config_port\n", port->line);
-
- if (flags & UART_CONFIG_TYPE) {
- port->type = PORT_CPM;
- cpm_uart_request_port(port);
- }
-}
-static struct uart_ops cpm_uart_pops = {
- .tx_empty = cpm_uart_tx_empty,
- .set_mctrl = cpm_uart_set_mctrl,
- .get_mctrl = cpm_uart_get_mctrl,
- .stop_tx = cpm_uart_stop_tx,
- .start_tx = cpm_uart_start_tx,
- .stop_rx = cpm_uart_stop_rx,
- .enable_ms = cpm_uart_enable_ms,
- .break_ctl = cpm_uart_break_ctl,
- .startup = cpm_uart_startup,
- .shutdown = cpm_uart_shutdown,
- .set_termios = cpm_uart_set_termios,
- .type = cpm_uart_type,
- .release_port = cpm_uart_release_port,
- .request_port = cpm_uart_request_port,
- .config_port = cpm_uart_config_port,
- .verify_port = cpm_uart_verify_port,
-};
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
-struct uart_cpm_port cpm_uart_ports[UART_NR];
-
-static int cpm_uart_init_port(struct device_node *np,
- struct uart_cpm_port *pinfo)
-{
- const u32 *data;
- void __iomem *mem, *pram;
- int len;
- int ret;
-
- data = of_get_property(np, "fsl,cpm-brg", &len);
- if (!data || len != 4) {
- printk(KERN_ERR "CPM UART %s has no/invalid "
- "fsl,cpm-brg property.\n", np->name);
- return -EINVAL;
- }
- pinfo->brg = *data;
-
- data = of_get_property(np, "fsl,cpm-command", &len);
- if (!data || len != 4) {
- printk(KERN_ERR "CPM UART %s has no/invalid "
- "fsl,cpm-command property.\n", np->name);
- return -EINVAL;
- }
- pinfo->command = *data;
-
- mem = of_iomap(np, 0);
- if (!mem)
- return -ENOMEM;
-
- pram = of_iomap(np, 1);
- if (!pram) {
- ret = -ENOMEM;
- goto out_mem;
- }
-
- if (of_device_is_compatible(np, "fsl,cpm1-scc-uart") ||
- of_device_is_compatible(np, "fsl,cpm2-scc-uart")) {
- pinfo->sccp = mem;
- pinfo->sccup = pram;
- } else if (of_device_is_compatible(np, "fsl,cpm1-smc-uart") ||
- of_device_is_compatible(np, "fsl,cpm2-smc-uart")) {
- pinfo->flags |= FLAG_SMC;
- pinfo->smcp = mem;
- pinfo->smcup = pram;
- } else {
- ret = -ENODEV;
- goto out_pram;
- }
-
- pinfo->tx_nrfifos = TX_NUM_FIFO;
- pinfo->tx_fifosize = TX_BUF_SIZE;
- pinfo->rx_nrfifos = RX_NUM_FIFO;
- pinfo->rx_fifosize = RX_BUF_SIZE;
-
- pinfo->port.uartclk = ppc_proc_freq;
- pinfo->port.mapbase = (unsigned long)mem;
- pinfo->port.type = PORT_CPM;
- pinfo->port.ops = &cpm_uart_pops,
- pinfo->port.iotype = UPIO_MEM;
- spin_lock_init(&pinfo->port.lock);
-
- pinfo->port.irq = of_irq_to_resource(np, 0, NULL);
- if (pinfo->port.irq == NO_IRQ) {
- ret = -EINVAL;
- goto out_pram;
- }
-
- return cpm_uart_request_port(&pinfo->port);
-
-out_pram:
- iounmap(pram);
-out_mem:
- iounmap(mem);
- return ret;
-}
-
-#else
-
-struct uart_cpm_port cpm_uart_ports[UART_NR] = {
- [UART_SMC1] = {
- .port = {
- .irq = SMC1_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SMC1].port.lock),
- },
- .flags = FLAG_SMC,
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = smc1_lineif,
- },
- [UART_SMC2] = {
- .port = {
- .irq = SMC2_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SMC2].port.lock),
- },
- .flags = FLAG_SMC,
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = smc2_lineif,
-#ifdef CONFIG_SERIAL_CPM_ALT_SMC2
- .is_portb = 1,
-#endif
- },
- [UART_SCC1] = {
- .port = {
- .irq = SCC1_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC1].port.lock),
- },
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = scc1_lineif,
- .wait_closing = SCC_WAIT_CLOSING,
- },
- [UART_SCC2] = {
- .port = {
- .irq = SCC2_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC2].port.lock),
- },
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = scc2_lineif,
- .wait_closing = SCC_WAIT_CLOSING,
- },
- [UART_SCC3] = {
- .port = {
- .irq = SCC3_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC3].port.lock),
- },
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = scc3_lineif,
- .wait_closing = SCC_WAIT_CLOSING,
- },
- [UART_SCC4] = {
- .port = {
- .irq = SCC4_IRQ,
- .ops = &cpm_uart_pops,
- .iotype = UPIO_MEM,
- .lock = __SPIN_LOCK_UNLOCKED(cpm_uart_ports[UART_SCC4].port.lock),
- },
- .tx_nrfifos = TX_NUM_FIFO,
- .tx_fifosize = TX_BUF_SIZE,
- .rx_nrfifos = RX_NUM_FIFO,
- .rx_fifosize = RX_BUF_SIZE,
- .set_lineif = scc4_lineif,
- .wait_closing = SCC_WAIT_CLOSING,
- },
-};
-
-int cpm_uart_drv_get_platform_data(struct platform_device *pdev, int is_con)
-{
- struct resource *r;
- struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
- int idx; /* It is UART_SMCx or UART_SCCx index */
- struct uart_cpm_port *pinfo;
- int line;
- u32 mem, pram;
-
- idx = pdata->fs_no = fs_uart_get_id(pdata);
-
- line = cpm_uart_id2nr(idx);
- if(line < 0) {
- printk(KERN_ERR"%s(): port %d is not registered", __FUNCTION__, idx);
- return -EINVAL;
- }
-
- pinfo = (struct uart_cpm_port *) &cpm_uart_ports[idx];
-
- pinfo->brg = pdata->brg;
-
- if (!is_con) {
- pinfo->port.line = line;
- pinfo->port.flags = UPF_BOOT_AUTOCONF;
- }
-
- if (!(r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs")))
- return -EINVAL;
- mem = (u32)ioremap(r->start, r->end - r->start + 1);
-
- if (!(r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pram")))
- return -EINVAL;
- pram = (u32)ioremap(r->start, r->end - r->start + 1);
-
- if(idx > fsid_smc2_uart) {
- pinfo->sccp = (scc_t *)mem;
- pinfo->sccup = (scc_uart_t *)pram;
- } else {
- pinfo->smcp = (smc_t *)mem;
- pinfo->smcup = (smc_uart_t *)pram;
- }
- pinfo->tx_nrfifos = pdata->tx_num_fifo;
- pinfo->tx_fifosize = pdata->tx_buf_size;
-
- pinfo->rx_nrfifos = pdata->rx_num_fifo;
- pinfo->rx_fifosize = pdata->rx_buf_size;
-
- pinfo->port.uartclk = pdata->uart_clk;
- pinfo->port.mapbase = (unsigned long)mem;
- pinfo->port.irq = platform_get_irq(pdev, 0);
-
- return 0;
-}
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_CONSOLE
-/*
- * Print a string to the serial port trying not to disturb
- * any possible real use of the port...
- *
- * Note that this is called with interrupts already disabled
- */
-static void cpm_uart_console_write(struct console *co, const char *s,
- u_int count)
-{
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
- struct uart_cpm_port *pinfo = &cpm_uart_ports[co->index];
-#else
- struct uart_cpm_port *pinfo =
- &cpm_uart_ports[cpm_uart_port_map[co->index]];
-#endif
- unsigned int i;
- cbd_t __iomem *bdp, *bdbase;
- unsigned char *cp;
-
- /* Get the address of the host memory buffer.
- */
- bdp = pinfo->tx_cur;
- bdbase = pinfo->tx_bd_base;
-
- /*
- * Now, do each character. This is not as bad as it looks
- * since this is a holding FIFO and not a transmitting FIFO.
- * We could add the complexity of filling the entire transmit
- * buffer, but we would just wait longer between accesses......
- */
- for (i = 0; i < count; i++, s++) {
- /* Wait for transmitter fifo to empty.
- * Ready indicates output is ready, and xmt is doing
- * that, not that it is ready for us to send.
- */
- while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
- ;
-
- /* Send the character out.
- * If the buffer address is in the CPM DPRAM, don't
- * convert it.
- */
- cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
- *cp = *s;
-
- out_be16(&bdp->cbd_datlen, 1);
- setbits16(&bdp->cbd_sc, BD_SC_READY);
-
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
- bdp = bdbase;
- else
- bdp++;
-
- /* if a LF, also do CR... */
- if (*s == 10) {
- while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
- ;
-
- cp = cpm2cpu_addr(in_be32(&bdp->cbd_bufaddr), pinfo);
- *cp = 13;
-
- out_be16(&bdp->cbd_datlen, 1);
- setbits16(&bdp->cbd_sc, BD_SC_READY);
-
- if (in_be16(&bdp->cbd_sc) & BD_SC_WRAP)
- bdp = bdbase;
- else
- bdp++;
- }
- }
-
- /*
- * Finally, Wait for transmitter & holding register to empty
- * and restore the IER
- */
- while ((in_be16(&bdp->cbd_sc) & BD_SC_READY) != 0)
- ;
-
- pinfo->tx_cur = bdp;
-}
-
-
-static int __init cpm_uart_console_setup(struct console *co, char *options)
-{
- int baud = 38400;
- int bits = 8;
- int parity = 'n';
- int flow = 'n';
- int ret;
- struct uart_cpm_port *pinfo;
- struct uart_port *port;
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
- struct device_node *np = NULL;
- int i = 0;
-
- if (co->index >= UART_NR) {
- printk(KERN_ERR "cpm_uart: console index %d too high\n",
- co->index);
- return -ENODEV;
- }
-
- do {
- np = of_find_node_by_type(np, "serial");
- if (!np)
- return -ENODEV;
-
- if (!of_device_is_compatible(np, "fsl,cpm1-smc-uart") &&
- !of_device_is_compatible(np, "fsl,cpm1-scc-uart") &&
- !of_device_is_compatible(np, "fsl,cpm2-smc-uart") &&
- !of_device_is_compatible(np, "fsl,cpm2-scc-uart"))
- i--;
- } while (i++ != co->index);
-
- pinfo = &cpm_uart_ports[co->index];
-
- pinfo->flags |= FLAG_CONSOLE;
- port = &pinfo->port;
-
- ret = cpm_uart_init_port(np, pinfo);
- of_node_put(np);
- if (ret)
- return ret;
-
-#else
-
- struct fs_uart_platform_info *pdata;
- struct platform_device* pdev = early_uart_get_pdev(co->index);
-
- if (!pdev) {
- pr_info("cpm_uart: console: compat mode\n");
- /* compatibility - will be cleaned up */
- cpm_uart_init_portdesc();
- }
-
- port =
- (struct uart_port *)&cpm_uart_ports[cpm_uart_port_map[co->index]];
- pinfo = (struct uart_cpm_port *)port;
- if (!pdev) {
- if (pinfo->set_lineif)
- pinfo->set_lineif(pinfo);
- } else {
- pdata = pdev->dev.platform_data;
- if (pdata)
- if (pdata->init_ioports)
- pdata->init_ioports(pdata);
-
- cpm_uart_drv_get_platform_data(pdev, 1);
- }
-
- pinfo->flags |= FLAG_CONSOLE;
-#endif
-
- if (options) {
- uart_parse_options(options, &baud, &parity, &bits, &flow);
- } else {
- if ((baud = uart_baudrate()) == -1)
- baud = 9600;
- }
-
-#ifdef CONFIG_PPC_EARLY_DEBUG_CPM
- udbg_putc = NULL;
-#endif
-
- cpm_line_cr_cmd(pinfo, CPM_CR_STOP_TX);
-
- if (IS_SMC(pinfo)) {
- clrbits8(&pinfo->smcp->smc_smcm, SMCM_RX | SMCM_TX);
- clrbits16(&pinfo->smcp->smc_smcmr, SMCMR_REN | SMCMR_TEN);
- } else {
- clrbits16(&pinfo->sccp->scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
- clrbits32(&pinfo->sccp->scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- }
-
- ret = cpm_uart_allocbuf(pinfo, 1);
-
- if (ret)
- return ret;
-
- cpm_uart_initbd(pinfo);
-
- if (IS_SMC(pinfo))
- cpm_uart_init_smc(pinfo);
- else
- cpm_uart_init_scc(pinfo);
-
- uart_set_options(port, co, baud, parity, bits, flow);
- cpm_line_cr_cmd(pinfo, CPM_CR_RESTART_TX);
-
- return 0;
-}
-
-static struct uart_driver cpm_reg;
-static struct console cpm_scc_uart_console = {
- .name = "ttyCPM",
- .write = cpm_uart_console_write,
- .device = uart_console_device,
- .setup = cpm_uart_console_setup,
- .flags = CON_PRINTBUFFER,
- .index = -1,
- .data = &cpm_reg,
-};
-
-static int __init cpm_uart_console_init(void)
-{
- register_console(&cpm_scc_uart_console);
- return 0;
-}
-
-console_initcall(cpm_uart_console_init);
-
-#define CPM_UART_CONSOLE &cpm_scc_uart_console
-#else
-#define CPM_UART_CONSOLE NULL
-#endif
-
-static struct uart_driver cpm_reg = {
- .owner = THIS_MODULE,
- .driver_name = "ttyCPM",
- .dev_name = "ttyCPM",
- .major = SERIAL_CPM_MAJOR,
- .minor = SERIAL_CPM_MINOR,
- .cons = CPM_UART_CONSOLE,
- .nr = UART_NR,
-};
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
-static int probe_index;
-
-static int __devinit cpm_uart_probe(struct of_device *ofdev,
- const struct of_device_id *match)
-{
- int index = probe_index++;
- struct uart_cpm_port *pinfo = &cpm_uart_ports[index];
- int ret;
-
- pinfo->port.line = index;
-
- if (index >= UART_NR)
- return -ENODEV;
-
- dev_set_drvdata(&ofdev->dev, pinfo);
-
- ret = cpm_uart_init_port(ofdev->node, pinfo);
- if (ret)
- return ret;
-
- return uart_add_one_port(&cpm_reg, &pinfo->port);
-}
-
-static int __devexit cpm_uart_remove(struct of_device *ofdev)
-{
- struct uart_cpm_port *pinfo = dev_get_drvdata(&ofdev->dev);
- return uart_remove_one_port(&cpm_reg, &pinfo->port);
-}
-
-static struct of_device_id cpm_uart_match[] = {
- {
- .compatible = "fsl,cpm1-smc-uart",
- },
- {
- .compatible = "fsl,cpm1-scc-uart",
- },
- {
- .compatible = "fsl,cpm2-smc-uart",
- },
- {
- .compatible = "fsl,cpm2-scc-uart",
- },
- {}
-};
-
-static struct of_platform_driver cpm_uart_driver = {
- .name = "cpm_uart",
- .match_table = cpm_uart_match,
- .probe = cpm_uart_probe,
- .remove = cpm_uart_remove,
- };
-
-static int __init cpm_uart_init(void)
-{
- int ret = uart_register_driver(&cpm_reg);
- if (ret)
- return ret;
-
- ret = of_register_platform_driver(&cpm_uart_driver);
- if (ret)
- uart_unregister_driver(&cpm_reg);
-
- return ret;
-}
-
-static void __exit cpm_uart_exit(void)
-{
- of_unregister_platform_driver(&cpm_uart_driver);
- uart_unregister_driver(&cpm_reg);
-}
-#else
-static int cpm_uart_drv_probe(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct fs_uart_platform_info *pdata;
- int ret = -ENODEV;
-
- if(!pdev) {
- printk(KERN_ERR"CPM UART: platform data missing!\n");
- return ret;
- }
-
- pdata = pdev->dev.platform_data;
-
- if ((ret = cpm_uart_drv_get_platform_data(pdev, 0)))
- return ret;
-
- pr_debug("cpm_uart_drv_probe: Adding CPM UART %d\n", cpm_uart_id2nr(pdata->fs_no));
-
- if (pdata->init_ioports)
- pdata->init_ioports(pdata);
-
- ret = uart_add_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
-
- return ret;
-}
-
-static int cpm_uart_drv_remove(struct device *dev)
-{
- struct platform_device *pdev = to_platform_device(dev);
- struct fs_uart_platform_info *pdata = pdev->dev.platform_data;
-
- pr_debug("cpm_uart_drv_remove: Removing CPM UART %d\n",
- cpm_uart_id2nr(pdata->fs_no));
-
- uart_remove_one_port(&cpm_reg, &cpm_uart_ports[pdata->fs_no].port);
- return 0;
-}
-
-static struct device_driver cpm_smc_uart_driver = {
- .name = "fsl-cpm-smc:uart",
- .bus = &platform_bus_type,
- .probe = cpm_uart_drv_probe,
- .remove = cpm_uart_drv_remove,
-};
-
-static struct device_driver cpm_scc_uart_driver = {
- .name = "fsl-cpm-scc:uart",
- .bus = &platform_bus_type,
- .probe = cpm_uart_drv_probe,
- .remove = cpm_uart_drv_remove,
-};
-
-/*
- This is supposed to match uart devices on platform bus,
- */
-static int match_is_uart (struct device* dev, void* data)
-{
- struct platform_device* pdev = container_of(dev, struct platform_device, dev);
- int ret = 0;
- /* this was setfunc as uart */
- if(strstr(pdev->name,":uart")) {
- ret = 1;
- }
- return ret;
-}
-
-
-static int cpm_uart_init(void) {
-
- int ret;
- int i;
- struct device *dev;
- printk(KERN_INFO "Serial: CPM driver $Revision: 0.02 $\n");
-
- /* lookup the bus for uart devices */
- dev = bus_find_device(&platform_bus_type, NULL, 0, match_is_uart);
-
- /* There are devices on the bus - all should be OK */
- if (dev) {
- cpm_uart_count();
- cpm_reg.nr = cpm_uart_nr;
-
- if (!(ret = uart_register_driver(&cpm_reg))) {
- if ((ret = driver_register(&cpm_smc_uart_driver))) {
- uart_unregister_driver(&cpm_reg);
- return ret;
- }
- if ((ret = driver_register(&cpm_scc_uart_driver))) {
- driver_unregister(&cpm_scc_uart_driver);
- uart_unregister_driver(&cpm_reg);
- }
- }
- } else {
- /* No capable platform devices found - falling back to legacy mode */
- pr_info("cpm_uart: WARNING: no UART devices found on platform bus!\n");
- pr_info(
- "cpm_uart: the driver will guess configuration, but this mode is no longer supported.\n");
-
- /* Don't run this again, if the console driver did it already */
- if (cpm_uart_nr == 0)
- cpm_uart_init_portdesc();
-
- cpm_reg.nr = cpm_uart_nr;
- ret = uart_register_driver(&cpm_reg);
-
- if (ret)
- return ret;
-
- for (i = 0; i < cpm_uart_nr; i++) {
- int con = cpm_uart_port_map[i];
- cpm_uart_ports[con].port.line = i;
- cpm_uart_ports[con].port.flags = UPF_BOOT_AUTOCONF;
- if (cpm_uart_ports[con].set_lineif)
- cpm_uart_ports[con].set_lineif(&cpm_uart_ports[con]);
- uart_add_one_port(&cpm_reg, &cpm_uart_ports[con].port);
- }
-
- }
- return ret;
-}
-
-static void __exit cpm_uart_exit(void)
-{
- driver_unregister(&cpm_scc_uart_driver);
- driver_unregister(&cpm_smc_uart_driver);
- uart_unregister_driver(&cpm_reg);
-}
-#endif
-
-module_init(cpm_uart_init);
-module_exit(cpm_uart_exit);
-
-MODULE_AUTHOR("Kumar Gala/Antoniou Pantelis");
-MODULE_DESCRIPTION("CPM SCC/SMC port driver $Revision: 0.01 $");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_CHARDEV(SERIAL_CPM_MAJOR, SERIAL_CPM_MINOR);
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c
deleted file mode 100644
index 6ea0366e26a..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart.c
- *
- * Driver for CPM (SCC/SMC) serial ports; CPM1 definitions
- *
- * Maintainer: Kumar Gala (galak@kernel.crashing.org) (CPM2)
- * Pantelis Antoniou (panto@intracom.gr) (CPM1)
- *
- * Copyright (C) 2004 Freescale Semiconductor, Inc.
- * (C) 2004 Intracom, S.A.
- * (C) 2006 MontaVista Software, Inc.
- * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/tty.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/serial.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/device.h>
-#include <linux/bootmem.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/fs_pd.h>
-
-#include <linux/serial_core.h>
-#include <linux/kernel.h>
-
-#include "cpm_uart.h"
-
-/**************************************************************/
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
-void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
-{
- cpm_command(port->command, cmd);
-}
-#else
-void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
-{
- ushort val;
- int line = port - cpm_uart_ports;
- volatile cpm8xx_t *cp = cpmp;
-
- switch (line) {
- case UART_SMC1:
- val = mk_cr_cmd(CPM_CR_CH_SMC1, cmd) | CPM_CR_FLG;
- break;
- case UART_SMC2:
- val = mk_cr_cmd(CPM_CR_CH_SMC2, cmd) | CPM_CR_FLG;
- break;
- case UART_SCC1:
- val = mk_cr_cmd(CPM_CR_CH_SCC1, cmd) | CPM_CR_FLG;
- break;
- case UART_SCC2:
- val = mk_cr_cmd(CPM_CR_CH_SCC2, cmd) | CPM_CR_FLG;
- break;
- case UART_SCC3:
- val = mk_cr_cmd(CPM_CR_CH_SCC3, cmd) | CPM_CR_FLG;
- break;
- case UART_SCC4:
- val = mk_cr_cmd(CPM_CR_CH_SCC4, cmd) | CPM_CR_FLG;
- break;
- default:
- return;
-
- }
- cp->cp_cpcr = val;
- while (cp->cp_cpcr & CPM_CR_FLG) ;
-}
-
-void smc1_lineif(struct uart_cpm_port *pinfo)
-{
- pinfo->brg = 1;
-}
-
-void smc2_lineif(struct uart_cpm_port *pinfo)
-{
- pinfo->brg = 2;
-}
-
-void scc1_lineif(struct uart_cpm_port *pinfo)
-{
- /* XXX SCC1: insert port configuration here */
- pinfo->brg = 1;
-}
-
-void scc2_lineif(struct uart_cpm_port *pinfo)
-{
- /* XXX SCC2: insert port configuration here */
- pinfo->brg = 2;
-}
-
-void scc3_lineif(struct uart_cpm_port *pinfo)
-{
- /* XXX SCC3: insert port configuration here */
- pinfo->brg = 3;
-}
-
-void scc4_lineif(struct uart_cpm_port *pinfo)
-{
- /* XXX SCC4: insert port configuration here */
- pinfo->brg = 4;
-}
-#endif
-
-/*
- * Allocate DP-Ram and memory buffers. We need to allocate a transmit and
- * receive buffer descriptors from dual port ram, and a character
- * buffer area from host mem. If we are allocating for the console we need
- * to do it from bootmem
- */
-int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
-{
- int dpmemsz, memsz;
- u8 *dp_mem;
- unsigned long dp_offset;
- u8 *mem_addr;
- dma_addr_t dma_addr = 0;
-
- pr_debug("CPM uart[%d]:allocbuf\n", pinfo->port.line);
-
- dpmemsz = sizeof(cbd_t) * (pinfo->rx_nrfifos + pinfo->tx_nrfifos);
- dp_offset = cpm_dpalloc(dpmemsz, 8);
- if (IS_ERR_VALUE(dp_offset)) {
- printk(KERN_ERR
- "cpm_uart_cpm1.c: could not allocate buffer descriptors\n");
- return -ENOMEM;
- }
- dp_mem = cpm_dpram_addr(dp_offset);
-
- memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) +
- L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize);
- if (is_con) {
- /* was hostalloc but changed cause it blows away the */
- /* large tlb mapping when pinning the kernel area */
- mem_addr = (u8 *) cpm_dpram_addr(cpm_dpalloc(memsz, 8));
- dma_addr = (u32)cpm_dpram_phys(mem_addr);
- } else
- mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr,
- GFP_KERNEL);
-
- if (mem_addr == NULL) {
- cpm_dpfree(dp_offset);
- printk(KERN_ERR
- "cpm_uart_cpm1.c: could not allocate coherent memory\n");
- return -ENOMEM;
- }
-
- pinfo->dp_addr = dp_offset;
- pinfo->mem_addr = mem_addr; /* virtual address*/
- pinfo->dma_addr = dma_addr; /* physical address*/
- pinfo->mem_size = memsz;
-
- pinfo->rx_buf = mem_addr;
- pinfo->tx_buf = pinfo->rx_buf + L1_CACHE_ALIGN(pinfo->rx_nrfifos
- * pinfo->rx_fifosize);
-
- pinfo->rx_bd_base = (cbd_t __iomem __force *)dp_mem;
- pinfo->tx_bd_base = pinfo->rx_bd_base + pinfo->rx_nrfifos;
-
- return 0;
-}
-
-void cpm_uart_freebuf(struct uart_cpm_port *pinfo)
-{
- dma_free_coherent(NULL, L1_CACHE_ALIGN(pinfo->rx_nrfifos *
- pinfo->rx_fifosize) +
- L1_CACHE_ALIGN(pinfo->tx_nrfifos *
- pinfo->tx_fifosize), pinfo->mem_addr,
- pinfo->dma_addr);
-
- cpm_dpfree(pinfo->dp_addr);
-}
-
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-/* Setup any dynamic params in the uart desc */
-int cpm_uart_init_portdesc(void)
-{
- pr_debug("CPM uart[-]:init portdesc\n");
-
- cpm_uart_nr = 0;
-#ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_ports[UART_SMC1].smcp = &cpmp->cp_smc[0];
-/*
- * Is SMC1 being relocated?
- */
-# ifdef CONFIG_I2C_SPI_SMC1_UCODE_PATCH
- cpm_uart_ports[UART_SMC1].smcup =
- (smc_uart_t *) & cpmp->cp_dparam[0x3C0];
-# else
- cpm_uart_ports[UART_SMC1].smcup =
- (smc_uart_t *) & cpmp->cp_dparam[PROFF_SMC1];
-# endif
- cpm_uart_ports[UART_SMC1].port.mapbase =
- (unsigned long)&cpmp->cp_smc[0];
- cpm_uart_ports[UART_SMC1].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
- cpm_uart_ports[UART_SMC1].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC1].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC1;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SMC2
- cpm_uart_ports[UART_SMC2].smcp = &cpmp->cp_smc[1];
- cpm_uart_ports[UART_SMC2].smcup =
- (smc_uart_t *) & cpmp->cp_dparam[PROFF_SMC2];
- cpm_uart_ports[UART_SMC2].port.mapbase =
- (unsigned long)&cpmp->cp_smc[1];
- cpm_uart_ports[UART_SMC2].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
- cpm_uart_ports[UART_SMC2].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC2].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC2;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC1
- cpm_uart_ports[UART_SCC1].sccp = &cpmp->cp_scc[0];
- cpm_uart_ports[UART_SCC1].sccup =
- (scc_uart_t *) & cpmp->cp_dparam[PROFF_SCC1];
- cpm_uart_ports[UART_SCC1].port.mapbase =
- (unsigned long)&cpmp->cp_scc[0];
- cpm_uart_ports[UART_SCC1].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC1].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC1].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC1;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC2
- cpm_uart_ports[UART_SCC2].sccp = &cpmp->cp_scc[1];
- cpm_uart_ports[UART_SCC2].sccup =
- (scc_uart_t *) & cpmp->cp_dparam[PROFF_SCC2];
- cpm_uart_ports[UART_SCC2].port.mapbase =
- (unsigned long)&cpmp->cp_scc[1];
- cpm_uart_ports[UART_SCC2].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC2].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC2].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC2;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC3
- cpm_uart_ports[UART_SCC3].sccp = &cpmp->cp_scc[2];
- cpm_uart_ports[UART_SCC3].sccup =
- (scc_uart_t *) & cpmp->cp_dparam[PROFF_SCC3];
- cpm_uart_ports[UART_SCC3].port.mapbase =
- (unsigned long)&cpmp->cp_scc[2];
- cpm_uart_ports[UART_SCC3].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC3].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC3].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC3;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC4
- cpm_uart_ports[UART_SCC4].sccp = &cpmp->cp_scc[3];
- cpm_uart_ports[UART_SCC4].sccup =
- (scc_uart_t *) & cpmp->cp_dparam[PROFF_SCC4];
- cpm_uart_ports[UART_SCC4].port.mapbase =
- (unsigned long)&cpmp->cp_scc[3];
- cpm_uart_ports[UART_SCC4].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC4].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC4].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC4;
-#endif
- return 0;
-}
-#endif
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.h b/drivers/serial/cpm_uart/cpm_uart_cpm1.h
deleted file mode 100644
index ddf46d3c964..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart_cpm1.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart/cpm_uart_cpm1.h
- *
- * Driver for CPM (SCC/SMC) serial ports
- *
- * definitions for cpm1
- *
- */
-
-#ifndef CPM_UART_CPM1_H
-#define CPM_UART_CPM1_H
-
-#include <asm/cpm1.h>
-
-/* defines for IRQs */
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-#define SMC1_IRQ (CPM_IRQ_OFFSET + CPMVEC_SMC1)
-#define SMC2_IRQ (CPM_IRQ_OFFSET + CPMVEC_SMC2)
-#define SCC1_IRQ (CPM_IRQ_OFFSET + CPMVEC_SCC1)
-#define SCC2_IRQ (CPM_IRQ_OFFSET + CPMVEC_SCC2)
-#define SCC3_IRQ (CPM_IRQ_OFFSET + CPMVEC_SCC3)
-#define SCC4_IRQ (CPM_IRQ_OFFSET + CPMVEC_SCC4)
-#endif
-
-static inline void cpm_set_brg(int brg, int baud)
-{
- cpm_setbrg(brg, baud);
-}
-
-static inline void cpm_set_scc_fcr(scc_uart_t __iomem * sup)
-{
- out_8(&sup->scc_genscc.scc_rfcr, SMC_EB);
- out_8(&sup->scc_genscc.scc_tfcr, SMC_EB);
-}
-
-static inline void cpm_set_smc_fcr(smc_uart_t __iomem * up)
-{
- out_8(&up->smc_rfcr, SMC_EB);
- out_8(&up->smc_tfcr, SMC_EB);
-}
-
-#define DPRAM_BASE ((u8 __iomem __force *)cpm_dpram_addr(0))
-
-#endif
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
deleted file mode 100644
index d9af06a791b..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ /dev/null
@@ -1,398 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart_cpm2.c
- *
- * Driver for CPM (SCC/SMC) serial ports; CPM2 definitions
- *
- * Maintainer: Kumar Gala (galak@kernel.crashing.org) (CPM2)
- * Pantelis Antoniou (panto@intracom.gr) (CPM1)
- *
- * Copyright (C) 2004 Freescale Semiconductor, Inc.
- * (C) 2004 Intracom, S.A.
- * (C) 2006 MontaVista Software, Inc.
- * Vitaly Bordug <vbordug@ru.mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-#include <linux/module.h>
-#include <linux/tty.h>
-#include <linux/ioport.h>
-#include <linux/init.h>
-#include <linux/serial.h>
-#include <linux/console.h>
-#include <linux/sysrq.h>
-#include <linux/device.h>
-#include <linux/bootmem.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/fs_pd.h>
-
-#include <linux/serial_core.h>
-#include <linux/kernel.h>
-
-#include "cpm_uart.h"
-
-/**************************************************************/
-
-#ifdef CONFIG_PPC_CPM_NEW_BINDING
-void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
-{
- cpm_command(port->command, cmd);
-}
-#else
-void cpm_line_cr_cmd(struct uart_cpm_port *port, int cmd)
-{
- ulong val;
- int line = port - cpm_uart_ports;
- volatile cpm_cpm2_t *cp = cpm2_map(im_cpm);
-
-
- switch (line) {
- case UART_SMC1:
- val = mk_cr_cmd(CPM_CR_SMC1_PAGE, CPM_CR_SMC1_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- case UART_SMC2:
- val = mk_cr_cmd(CPM_CR_SMC2_PAGE, CPM_CR_SMC2_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- case UART_SCC1:
- val = mk_cr_cmd(CPM_CR_SCC1_PAGE, CPM_CR_SCC1_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- case UART_SCC2:
- val = mk_cr_cmd(CPM_CR_SCC2_PAGE, CPM_CR_SCC2_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- case UART_SCC3:
- val = mk_cr_cmd(CPM_CR_SCC3_PAGE, CPM_CR_SCC3_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- case UART_SCC4:
- val = mk_cr_cmd(CPM_CR_SCC4_PAGE, CPM_CR_SCC4_SBLOCK, 0,
- cmd) | CPM_CR_FLG;
- break;
- default:
- return;
-
- }
- cp->cp_cpcr = val;
- while (cp->cp_cpcr & CPM_CR_FLG) ;
-
- cpm2_unmap(cp);
-}
-
-void smc1_lineif(struct uart_cpm_port *pinfo)
-{
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-
- /* SMC1 is only on port D */
- io->iop_ppard |= 0x00c00000;
- io->iop_pdird |= 0x00400000;
- io->iop_pdird &= ~0x00800000;
- io->iop_psord &= ~0x00c00000;
-
- /* Wire BRG1 to SMC1 */
- cpmux->cmx_smr &= 0x0f;
- pinfo->brg = 1;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-
-void smc2_lineif(struct uart_cpm_port *pinfo)
-{
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-
- /* SMC2 is only on port A */
- io->iop_ppara |= 0x00c00000;
- io->iop_pdira |= 0x00400000;
- io->iop_pdira &= ~0x00800000;
- io->iop_psora &= ~0x00c00000;
-
- /* Wire BRG2 to SMC2 */
- cpmux->cmx_smr &= 0xf0;
- pinfo->brg = 2;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-
-void scc1_lineif(struct uart_cpm_port *pinfo)
-{
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-
- /* Use Port D for SCC1 instead of other functions. */
- io->iop_ppard |= 0x00000003;
- io->iop_psord &= ~0x00000001; /* Rx */
- io->iop_psord |= 0x00000002; /* Tx */
- io->iop_pdird &= ~0x00000001; /* Rx */
- io->iop_pdird |= 0x00000002; /* Tx */
-
- /* Wire BRG1 to SCC1 */
- cpmux->cmx_scr &= 0x00ffffff;
- cpmux->cmx_scr |= 0x00000000;
- pinfo->brg = 1;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-
-void scc2_lineif(struct uart_cpm_port *pinfo)
-{
- /*
- * STx GP3 uses the SCC2 secondary option pin assignment
- * which this driver doesn't account for in the static
- * pin assignments. This kind of board specific info
- * really has to get out of the driver so boards can
- * be supported in a sane fashion.
- */
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-#ifndef CONFIG_STX_GP3
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
-
- io->iop_pparb |= 0x008b0000;
- io->iop_pdirb |= 0x00880000;
- io->iop_psorb |= 0x00880000;
- io->iop_pdirb &= ~0x00030000;
- io->iop_psorb &= ~0x00030000;
-#endif
- cpmux->cmx_scr &= 0xff00ffff;
- cpmux->cmx_scr |= 0x00090000;
- pinfo->brg = 2;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-
-void scc3_lineif(struct uart_cpm_port *pinfo)
-{
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-
- io->iop_pparb |= 0x008b0000;
- io->iop_pdirb |= 0x00880000;
- io->iop_psorb |= 0x00880000;
- io->iop_pdirb &= ~0x00030000;
- io->iop_psorb &= ~0x00030000;
- cpmux->cmx_scr &= 0xffff00ff;
- cpmux->cmx_scr |= 0x00001200;
- pinfo->brg = 3;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-
-void scc4_lineif(struct uart_cpm_port *pinfo)
-{
- volatile iop_cpm2_t *io = cpm2_map(im_ioport);
- volatile cpmux_t *cpmux = cpm2_map(im_cpmux);
-
- io->iop_ppard |= 0x00000600;
- io->iop_psord &= ~0x00000600; /* Tx/Rx */
- io->iop_pdird &= ~0x00000200; /* Rx */
- io->iop_pdird |= 0x00000400; /* Tx */
-
- cpmux->cmx_scr &= 0xffffff00;
- cpmux->cmx_scr |= 0x0000001b;
- pinfo->brg = 4;
-
- cpm2_unmap(cpmux);
- cpm2_unmap(io);
-}
-#endif
-
-/*
- * Allocate DP-Ram and memory buffers. We need to allocate a transmit and
- * receive buffer descriptors from dual port ram, and a character
- * buffer area from host mem. If we are allocating for the console we need
- * to do it from bootmem
- */
-int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con)
-{
- int dpmemsz, memsz;
- u8 __iomem *dp_mem;
- unsigned long dp_offset;
- u8 *mem_addr;
- dma_addr_t dma_addr = 0;
-
- pr_debug("CPM uart[%d]:allocbuf\n", pinfo->port.line);
-
- dpmemsz = sizeof(cbd_t) * (pinfo->rx_nrfifos + pinfo->tx_nrfifos);
- dp_offset = cpm_dpalloc(dpmemsz, 8);
- if (IS_ERR_VALUE(dp_offset)) {
- printk(KERN_ERR
- "cpm_uart_cpm.c: could not allocate buffer descriptors\n");
- return -ENOMEM;
- }
-
- dp_mem = cpm_dpram_addr(dp_offset);
-
- memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) +
- L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize);
- if (is_con) {
- mem_addr = alloc_bootmem(memsz);
- dma_addr = virt_to_bus(mem_addr);
- }
- else
- mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr,
- GFP_KERNEL);
-
- if (mem_addr == NULL) {
- cpm_dpfree(dp_offset);
- printk(KERN_ERR
- "cpm_uart_cpm.c: could not allocate coherent memory\n");
- return -ENOMEM;
- }
-
- pinfo->dp_addr = dp_offset;
- pinfo->mem_addr = mem_addr;
- pinfo->dma_addr = dma_addr;
- pinfo->mem_size = memsz;
-
- pinfo->rx_buf = mem_addr;
- pinfo->tx_buf = pinfo->rx_buf + L1_CACHE_ALIGN(pinfo->rx_nrfifos
- * pinfo->rx_fifosize);
-
- pinfo->rx_bd_base = (cbd_t __iomem *)dp_mem;
- pinfo->tx_bd_base = pinfo->rx_bd_base + pinfo->rx_nrfifos;
-
- return 0;
-}
-
-void cpm_uart_freebuf(struct uart_cpm_port *pinfo)
-{
- dma_free_coherent(NULL, L1_CACHE_ALIGN(pinfo->rx_nrfifos *
- pinfo->rx_fifosize) +
- L1_CACHE_ALIGN(pinfo->tx_nrfifos *
- pinfo->tx_fifosize), (void __force *)pinfo->mem_addr,
- pinfo->dma_addr);
-
- cpm_dpfree(pinfo->dp_addr);
-}
-
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-/* Setup any dynamic params in the uart desc */
-int cpm_uart_init_portdesc(void)
-{
-#if defined(CONFIG_SERIAL_CPM_SMC1) || defined(CONFIG_SERIAL_CPM_SMC2)
- u16 *addr;
-#endif
- pr_debug("CPM uart[-]:init portdesc\n");
-
- cpm_uart_nr = 0;
-#ifdef CONFIG_SERIAL_CPM_SMC1
- cpm_uart_ports[UART_SMC1].smcp = (smc_t *) cpm2_map(im_smc[0]);
- cpm_uart_ports[UART_SMC1].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SMC1].smcp;
-
- cpm_uart_ports[UART_SMC1].smcup =
- (smc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SMC1], PROFF_SMC_SIZE);
- addr = (u16 *)cpm2_map_size(im_dprambase[PROFF_SMC1_BASE], 2);
- *addr = PROFF_SMC1;
- cpm2_unmap(addr);
-
- cpm_uart_ports[UART_SMC1].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
- cpm_uart_ports[UART_SMC1].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC1].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC1;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SMC2
- cpm_uart_ports[UART_SMC2].smcp = (smc_t *) cpm2_map(im_smc[1]);
- cpm_uart_ports[UART_SMC2].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SMC2].smcp;
-
- cpm_uart_ports[UART_SMC2].smcup =
- (smc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SMC2], PROFF_SMC_SIZE);
- addr = (u16 *)cpm2_map_size(im_dprambase[PROFF_SMC2_BASE], 2);
- *addr = PROFF_SMC2;
- cpm2_unmap(addr);
-
- cpm_uart_ports[UART_SMC2].smcp->smc_smcm |= (SMCM_RX | SMCM_TX);
- cpm_uart_ports[UART_SMC2].smcp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
- cpm_uart_ports[UART_SMC2].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SMC2;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC1
- cpm_uart_ports[UART_SCC1].sccp = (scc_t *) cpm2_map(im_scc[0]);
- cpm_uart_ports[UART_SCC1].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SCC1].sccp;
- cpm_uart_ports[UART_SCC1].sccup =
- (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC1], PROFF_SCC_SIZE);
-
- cpm_uart_ports[UART_SCC1].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC1].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC1].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC1;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC2
- cpm_uart_ports[UART_SCC2].sccp = (scc_t *) cpm2_map(im_scc[1]);
- cpm_uart_ports[UART_SCC2].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SCC2].sccp;
- cpm_uart_ports[UART_SCC2].sccup =
- (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC2], PROFF_SCC_SIZE);
-
- cpm_uart_ports[UART_SCC2].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC2].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC2].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC2;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC3
- cpm_uart_ports[UART_SCC3].sccp = (scc_t *) cpm2_map(im_scc[2]);
- cpm_uart_ports[UART_SCC3].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SCC3].sccp;
- cpm_uart_ports[UART_SCC3].sccup =
- (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC3], PROFF_SCC_SIZE);
-
- cpm_uart_ports[UART_SCC3].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC3].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC3].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC3;
-#endif
-
-#ifdef CONFIG_SERIAL_CPM_SCC4
- cpm_uart_ports[UART_SCC4].sccp = (scc_t *) cpm2_map(im_scc[3]);
- cpm_uart_ports[UART_SCC4].port.mapbase =
- (unsigned long)cpm_uart_ports[UART_SCC4].sccp;
- cpm_uart_ports[UART_SCC4].sccup =
- (scc_uart_t *) cpm2_map_size(im_dprambase[PROFF_SCC4], PROFF_SCC_SIZE);
-
- cpm_uart_ports[UART_SCC4].sccp->scc_sccm &=
- ~(UART_SCCM_TX | UART_SCCM_RX);
- cpm_uart_ports[UART_SCC4].sccp->scc_gsmrl &=
- ~(SCC_GSMRL_ENR | SCC_GSMRL_ENT);
- cpm_uart_ports[UART_SCC4].port.uartclk = uart_clock();
- cpm_uart_port_map[cpm_uart_nr++] = UART_SCC4;
-#endif
-
- return 0;
-}
-#endif
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.h b/drivers/serial/cpm_uart/cpm_uart_cpm2.h
deleted file mode 100644
index 40006a7dce4..00000000000
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * linux/drivers/serial/cpm_uart/cpm_uart_cpm2.h
- *
- * Driver for CPM (SCC/SMC) serial ports
- *
- * definitions for cpm2
- *
- */
-
-#ifndef CPM_UART_CPM2_H
-#define CPM_UART_CPM2_H
-
-#include <asm/cpm2.h>
-
-/* defines for IRQs */
-#ifndef CONFIG_PPC_CPM_NEW_BINDING
-#define SMC1_IRQ SIU_INT_SMC1
-#define SMC2_IRQ SIU_INT_SMC2
-#define SCC1_IRQ SIU_INT_SCC1
-#define SCC2_IRQ SIU_INT_SCC2
-#define SCC3_IRQ SIU_INT_SCC3
-#define SCC4_IRQ SIU_INT_SCC4
-#endif
-
-static inline void cpm_set_brg(int brg, int baud)
-{
- cpm_setbrg(brg, baud);
-}
-
-static inline void cpm_set_scc_fcr(scc_uart_t __iomem *sup)
-{
- out_8(&sup->scc_genscc.scc_rfcr, CPMFCR_GBL | CPMFCR_EB);
- out_8(&sup->scc_genscc.scc_tfcr, CPMFCR_GBL | CPMFCR_EB);
-}
-
-static inline void cpm_set_smc_fcr(smc_uart_t __iomem *up)
-{
- out_8(&up->smc_rfcr, CPMFCR_GBL | CPMFCR_EB);
- out_8(&up->smc_tfcr, CPMFCR_GBL | CPMFCR_EB);
-}
-
-#define DPRAM_BASE ((u8 __iomem __force *)cpm_dpram_addr(0))
-
-#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 09:12:16 +0000