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Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-davinci/serial.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-davinci/serial.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-davinci/serial.c b/ANDROID_3.4.5/arch/arm/mach-davinci/serial.c
deleted file mode 100644
index 1875740f..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-davinci/serial.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * TI DaVinci serial driver
- *
- * Copyright (C) 2006 Texas Instruments.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/serial_8250.h>
-#include <linux/serial_reg.h>
-#include <linux/platform_device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/serial.h>
-#include <mach/cputype.h>
-
-static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
- int offset)
-{
- offset <<= up->regshift;
-
- WARN_ONCE(!up->membase, "unmapped read: uart[%d]\n", offset);
-
- return (unsigned int)__raw_readl(up->membase + offset);
-}
-
-static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
- int value)
-{
- offset <<= p->regshift;
-
- WARN_ONCE(!p->membase, "unmapped write: uart[%d]\n", offset);
-
- __raw_writel(value, p->membase + offset);
-}
-
-static void __init davinci_serial_reset(struct plat_serial8250_port *p)
-{
- unsigned int pwremu = 0;
-
- serial_write_reg(p, UART_IER, 0); /* disable all interrupts */
-
- /* reset both transmitter and receiver: bits 14,13 = UTRST, URRST */
- serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu);
- mdelay(10);
-
- pwremu |= (0x3 << 13);
- pwremu |= 0x1;
- serial_write_reg(p, UART_DAVINCI_PWREMU, pwremu);
-
- if (cpu_is_davinci_dm646x())
- serial_write_reg(p, UART_DM646X_SCR,
- UART_DM646X_SCR_TX_WATERMARK);
-}
-
-int __init davinci_serial_init(struct davinci_uart_config *info)
-{
- int i;
- char name[16];
- struct clk *uart_clk;
- struct davinci_soc_info *soc_info = &davinci_soc_info;
- struct device *dev = &soc_info->serial_dev->dev;
- struct plat_serial8250_port *p = dev->platform_data;
-
- /*
- * Make sure the serial ports are muxed on at this point.
- * You have to mux them off in device drivers later on if not needed.
- */
- for (i = 0; p->flags; i++, p++) {
- if (!(info->enabled_uarts & (1 << i)))
- continue;
-
- sprintf(name, "uart%d", i);
- uart_clk = clk_get(dev, name);
- if (IS_ERR(uart_clk)) {
- printk(KERN_ERR "%s:%d: failed to get UART%d clock\n",
- __func__, __LINE__, i);
- continue;
- }
-
- clk_enable(uart_clk);
- p->uartclk = clk_get_rate(uart_clk);
-
- if (!p->membase && p->mapbase) {
- p->membase = ioremap(p->mapbase, SZ_4K);
-
- if (p->membase)
- p->flags &= ~UPF_IOREMAP;
- else
- pr_err("uart regs ioremap failed\n");
- }
-
- if (p->membase && p->type != PORT_AR7)
- davinci_serial_reset(p);
- }
-
- return platform_device_register(soc_info->serial_dev);
-}