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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c208
1 files changed, 0 insertions, 208 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c b/ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c
deleted file mode 100644
index f2735281..00000000
--- a/ANDROID_3.4.5/arch/arm/mach-lpc32xx/serial.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/serial.c
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/serial.h>
-#include <linux/serial_core.h>
-#include <linux/serial_reg.h>
-#include <linux/serial_8250.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/platform.h>
-#include "common.h"
-
-#define LPC32XX_SUART_FIFO_SIZE 64
-
-/* Standard 8250/16550 compatible serial ports */
-static struct plat_serial8250_port serial_std_platform_data[] = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
- {
- .membase = io_p2v(LPC32XX_UART5_BASE),
- .mapbase = LPC32XX_UART5_BASE,
- .irq = IRQ_LPC32XX_UART_IIR5,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
- {
- .membase = io_p2v(LPC32XX_UART3_BASE),
- .mapbase = LPC32XX_UART3_BASE,
- .irq = IRQ_LPC32XX_UART_IIR3,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
- {
- .membase = io_p2v(LPC32XX_UART4_BASE),
- .mapbase = LPC32XX_UART4_BASE,
- .irq = IRQ_LPC32XX_UART_IIR4,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
- {
- .membase = io_p2v(LPC32XX_UART6_BASE),
- .mapbase = LPC32XX_UART6_BASE,
- .irq = IRQ_LPC32XX_UART_IIR6,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
- { },
-};
-
-struct uartinit {
- char *uart_ck_name;
- u32 ck_mode_mask;
- void __iomem *pdiv_clk_reg;
- resource_size_t mapbase;
-};
-
-static struct uartinit uartinit_data[] __initdata = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
- {
- .uart_ck_name = "uart5_ck",
- .ck_mode_mask =
- LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 5),
- .pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
- .mapbase = LPC32XX_UART5_BASE,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
- {
- .uart_ck_name = "uart3_ck",
- .ck_mode_mask =
- LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 3),
- .pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
- .mapbase = LPC32XX_UART3_BASE,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
- {
- .uart_ck_name = "uart4_ck",
- .ck_mode_mask =
- LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 4),
- .pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
- .mapbase = LPC32XX_UART4_BASE,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
- {
- .uart_ck_name = "uart6_ck",
- .ck_mode_mask =
- LPC32XX_UART_CLKMODE_LOAD(LPC32XX_UART_CLKMODE_ON, 6),
- .pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
- .mapbase = LPC32XX_UART6_BASE,
- },
-#endif
-};
-
-static struct platform_device serial_std_platform_device = {
- .name = "serial8250",
- .id = 0,
- .dev = {
- .platform_data = serial_std_platform_data,
- },
-};
-
-static struct platform_device *lpc32xx_serial_devs[] __initdata = {
- &serial_std_platform_device,
-};
-
-void __init lpc32xx_serial_init(void)
-{
- u32 tmp, clkmodes = 0;
- struct clk *clk;
- unsigned int puart;
- int i, j;
-
- /* UART clocks are off, let clock driver manage them */
- __raw_writel(0, LPC32XX_CLKPWR_UART_CLK_CTRL);
-
- for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
- clk = clk_get(NULL, uartinit_data[i].uart_ck_name);
- if (!IS_ERR(clk)) {
- clk_enable(clk);
- serial_std_platform_data[i].uartclk =
- clk_get_rate(clk);
- }
-
- /* Fall back on main osc rate if clock rate return fails */
- if (serial_std_platform_data[i].uartclk == 0)
- serial_std_platform_data[i].uartclk =
- LPC32XX_MAIN_OSC_FREQ;
-
- /* Setup UART clock modes for all UARTs, disable autoclock */
- clkmodes |= uartinit_data[i].ck_mode_mask;
-
- /* pre-UART clock divider set to 1 */
- __raw_writel(0x0101, uartinit_data[i].pdiv_clk_reg);
-
- /*
- * Force a flush of the RX FIFOs to work around a
- * HW bug
- */
- puart = uartinit_data[i].mapbase;
- __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
- __raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
- j = LPC32XX_SUART_FIFO_SIZE;
- while (j--)
- tmp = __raw_readl(
- LPC32XX_UART_DLL_FIFO(puart));
- __raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
- }
-
- /* This needs to be done after all UART clocks are setup */
- __raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
- for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
- /* Force a flush of the RX FIFOs to work around a HW bug */
- puart = serial_std_platform_data[i].mapbase;
- __raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
- __raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
- j = LPC32XX_SUART_FIFO_SIZE;
- while (j--)
- tmp = __raw_readl(LPC32XX_UART_DLL_FIFO(puart));
- __raw_writel(0, LPC32XX_UART_IIR_FCR(puart));
- }
-
- /* Disable UART5->USB transparent mode or USB won't work */
- tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
- tmp &= ~LPC32XX_UART_U5_ROUTE_TO_USB;
- __raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
-
- platform_add_devices(lpc32xx_serial_devs,
- ARRAY_SIZE(lpc32xx_serial_devs));
-}