X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fserial%2Fcpm_uart%2Fcpm_uart_cpm1.c;h=08e55fdc882a87b004e1fd8a04bf334c7e0b708e;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=a9ab04731a36ba6027c5746d6328364e6f840397;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm1.c b/drivers/serial/cpm_uart/cpm_uart_cpm1.c index a9ab04731..08e55fdc8 100644 --- a/drivers/serial/cpm_uart/cpm_uart_cpm1.c +++ b/drivers/serial/cpm_uart/cpm_uart_cpm1.c @@ -3,11 +3,13 @@ * * Driver for CPM (SCC/SMC) serial ports; CPM1 definitions * - * Maintainer: Kumar Gala (kumar.gala@freescale.com) (CPM2) + * 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 * * 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 @@ -25,7 +27,6 @@ * */ -#include #include #include #include @@ -81,18 +82,11 @@ void cpm_line_cr_cmd(int line, int cmd) void smc1_lineif(struct uart_cpm_port *pinfo) { - volatile cpm8xx_t *cp = cpmp; - - cp->cp_pbpar |= 0x000000c0; - cp->cp_pbdir &= ~0x000000c0; - cp->cp_pbodr &= ~0x000000c0; - pinfo->brg = 1; } void smc2_lineif(struct uart_cpm_port *pinfo) { - /* XXX SMC2: insert port configuration here */ pinfo->brg = 2; } @@ -121,7 +115,7 @@ void scc4_lineif(struct uart_cpm_port *pinfo) } /* - * Allocate DP-Ram and memory buffers. We need to allocate a transmit and + * 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 @@ -148,8 +142,10 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) memsz = L1_CACHE_ALIGN(pinfo->rx_nrfifos * pinfo->rx_fifosize) + L1_CACHE_ALIGN(pinfo->tx_nrfifos * pinfo->tx_fifosize); if (is_con) { - mem_addr = (u8 *) m8xx_cpm_hostalloc(memsz); - dma_addr = 0; + /* 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)mem_addr; } else mem_addr = dma_alloc_coherent(NULL, memsz, &dma_addr, GFP_KERNEL); @@ -162,8 +158,9 @@ int cpm_uart_allocbuf(struct uart_cpm_port *pinfo, unsigned int is_con) } pinfo->dp_addr = dp_offset; - pinfo->mem_addr = mem_addr; - pinfo->dma_addr = dma_addr; + 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 @@ -187,15 +184,23 @@ void cpm_uart_freebuf(struct uart_cpm_port *pinfo) } /* Setup any dynamic params in the uart desc */ -int cpm_uart_init_portdesc(void) +int __init 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);