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path: root/drivers/serial/cpm_uart/cpm_uart_cpm1.c
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Diffstat (limited to 'drivers/serial/cpm_uart/cpm_uart_cpm1.c')
-rw-r--r--drivers/serial/cpm_uart/cpm_uart_cpm1.c291
1 files changed, 0 insertions, 291 deletions
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
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