1002.gpio.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/arch/mips/tangox/gpio.c linux-2.6.15/arch/mips/tangox/gpio.c
--- linux-2.6.15.ref/arch/mips/tangox/gpio.c	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/arch/mips/tangox/gpio.c	2006-08-16 16:19:13.000000000 -0700
@@ -0,0 +1,117 @@
+
+#include <linux/module.h>
+#include "setup.h"
+
+int em86xx_gpio_read(int gpio)
+{
+#if (defined(CONFIG_TANGO2) && (EM86XX_REVISION > 3)) || defined(CONFIG_TANGO3)
+	if ((gpio >= 0) && (gpio < 16))
+		return (gbus_readl(REG_BASE_system_block +
+				   SYS_gpio_data) >> gpio) & 1;
+	/* Upper 16 */
+	return (gbus_readl(REG_BASE_host_interface +
+			   ETH_gpio_data2) >> (gpio - 16)) & 1;
+#else
+	return (gbus_readl(REG_BASE_system_block + SYS_gpio_data) >> gpio) & 1;
+#endif
+}
+
+void em86xx_gpio_write(int gpio, int data)
+{
+#if (defined(CONFIG_TANGO2) && (EM86XX_REVISION > 3)) || defined(CONFIG_TANGO3)
+	if ((gpio >= 0) && (gpio < 16))
+		gbus_writel(REG_BASE_system_block + SYS_gpio_data, data ?
+			    GPIO_DATA_SET(gpio) : GPIO_DATA_CLEAR(gpio));
+	else /* Upper 16 */
+		gbus_writel(REG_BASE_host_interface + ETH_gpio_data2, data ?
+			    GPIO_DATA_SET(gpio - 16) : GPIO_DATA_CLEAR(gpio - 16));
+#else
+	gbus_writel(REG_BASE_system_block + SYS_gpio_data,
+		    data ? GPIO_DATA_SET(gpio) : GPIO_DATA_CLEAR(gpio));
+#endif
+}
+
+void em86xx_gpio_setdirection(int gpio, int dir)
+{
+#if (defined(CONFIG_TANGO2) && (EM86XX_REVISION > 3)) || defined(CONFIG_TANGO3)
+	if ((gpio >= 0) && (gpio < 16))
+		gbus_writel(REG_BASE_system_block + SYS_gpio_dir, dir ?
+			    GPIO_DIR_OUTPUT(gpio) : GPIO_DIR_INPUT(gpio));
+	else /* Upper 16 */
+		gbus_writel(REG_BASE_host_interface + ETH_gpio_dir2, dir ?
+			    GPIO_DIR_OUTPUT(gpio - 16) : GPIO_DIR_INPUT(gpio - 16));
+#else
+	gbus_writel(REG_BASE_system_block + SYS_gpio_dir,
+		    dir ? GPIO_DIR_OUTPUT(gpio) : GPIO_DIR_INPUT(gpio));
+#endif
+}
+
+EXPORT_SYMBOL(em86xx_gpio_read);
+EXPORT_SYMBOL(em86xx_gpio_write);
+EXPORT_SYMBOL(em86xx_gpio_setdirection);
+
+int em86xx_uart0_get_gpio_mode(void)
+{
+	return gbus_readl(REG_BASE_cpu_block + CPU_uart0_gpio_mode) & 0x7f;
+}
+
+int em86xx_uart0_set_gpio_mode(int mode)
+{
+	int old_mode = em86xx_uart0_get_gpio_mode();
+	gbus_writel(REG_BASE_cpu_block + CPU_uart0_gpio_mode, 0x7f00 | (mode & 0x7f));
+	return(old_mode);
+}
+
+int em86xx_uart0_gpio_read(int gpio)
+{
+	return (gbus_readl(REG_BASE_cpu_block + CPU_uart0_gpio_data) >> gpio) & 1;
+}
+
+void em86xx_uart0_gpio_write(int gpio, int data)
+{
+	gbus_writel(REG_BASE_cpu_block + CPU_uart0_gpio_data,
+			data ? UART_GPIO_DATA_SET(gpio) : UART_GPIO_DATA_CLEAR(gpio));
+}
+
+void em86xx_uart0_gpio_setdirection(int gpio, int dir)
+{
+	gbus_writel(REG_BASE_cpu_block + CPU_uart0_gpio_dir,
+			dir ? UART_GPIO_DIR_OUTPUT(gpio) : UART_GPIO_DIR_INPUT(gpio));
+}
+
+int em86xx_uart1_get_gpio_mode(void)
+{
+	return gbus_readl(REG_BASE_cpu_block + CPU_uart1_gpio_mode) & 0x7f;
+}
+
+int em86xx_uart1_set_gpio_mode(int mode)
+{
+	int old_mode = em86xx_uart1_get_gpio_mode();
+	gbus_writel(REG_BASE_cpu_block + CPU_uart1_gpio_mode, 0x7f00 | (mode & 0x7f));
+	return(old_mode);
+}
+
+int em86xx_uart1_gpio_read(int gpio)
+{
+	return (gbus_readl(REG_BASE_cpu_block + CPU_uart1_gpio_data) >> gpio) & 1;
+}
+
+void em86xx_uart1_gpio_write(int gpio, int data)
+{
+	gbus_writel(REG_BASE_cpu_block + CPU_uart1_gpio_data,
+			data ? UART_GPIO_DATA_SET(gpio) : UART_GPIO_DATA_CLEAR(gpio));
+}
+
+void em86xx_uart1_gpio_setdirection(int gpio, int dir)
+{
+	gbus_writel(REG_BASE_cpu_block + CPU_uart1_gpio_dir,
+			dir ? UART_GPIO_DIR_OUTPUT(gpio) : UART_GPIO_DIR_INPUT(gpio));
+}
+
+EXPORT_SYMBOL(em86xx_uart0_gpio_read);
+EXPORT_SYMBOL(em86xx_uart0_gpio_write);
+EXPORT_SYMBOL(em86xx_uart0_gpio_setdirection);
+EXPORT_SYMBOL(em86xx_uart1_gpio_read);
+EXPORT_SYMBOL(em86xx_uart1_gpio_write);
+EXPORT_SYMBOL(em86xx_uart1_gpio_setdirection);
+
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/arch/mips/tangox/Makefile linux-2.6.15/arch/mips/tangox/Makefile
--- linux-2.6.15.ref/arch/mips/tangox/Makefile	2006-08-16 14:58:55.000000000 -0700
+++ linux-2.6.15/arch/mips/tangox/Makefile	2006-08-16 16:17:59.000000000 -0700
@@ -12,3 +12,5 @@
 
 obj-$(CONFIG_TANGOX_XENV_READ) += sha1.o xenv.o
 
+obj-y += gpio.o
+
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/README.1002.gpio.patch linux-2.6.15/README.1002.gpio.patch
--- linux-2.6.15.ref/README.1002.gpio.patch	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/README.1002.gpio.patch	2006-08-16 16:19:48.000000000 -0700
@@ -0,0 +1,19 @@
+Feature:
+--------
+GPIO support for SMP863x and SMP865x
+
+Prerequisite patch numbers:
+---------------------------
+0000
+1000
+
+Primary author:
+---------------
+External (YH Lin)
+
+Related to which chip version SMP86xx xx=?
+------------------------------------------
+Tango2 ES6/RevA or above, or Tango3 ES1 or above
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------