104 lines
2.5 KiB
Diff
104 lines
2.5 KiB
Diff
--- a/arch/arm/mach-cns21xx/common.h
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+++ b/arch/arm/mach-cns21xx/common.h
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@@ -17,4 +17,7 @@ void cns21xx_timer_init(void);
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extern struct sys_timer cns21xx_timer;
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+int cns21xx_register_uart0(void);
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+int cns21xx_register_uart1(void);
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+
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#endif /* _MACH_CNS21XX_COMMON_H */
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--- /dev/null
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+++ b/arch/arm/mach-cns21xx/devices.c
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@@ -0,0 +1,79 @@
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+/*
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+ * Copyright (c) 2008 Cavium Networks
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+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * This file is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License, Version 2, as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+#include <linux/serial_8250.h>
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+
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+#include <mach/irqs.h>
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+#include <mach/hardware.h>
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+#include <mach/cns21xx.h>
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+#include <mach/cns21xx_misc.h>
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+
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+#define CNS21XX_UART_CLOCK 24000000
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+
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+#define CNS21XX_UART_FLAGS (UPF_SKIP_TEST | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST)
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+
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+static struct plat_serial8250_port cns21xx_uart0_data[] = {
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+ {
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+ .mapbase = CNS21XX_UART0_BASE,
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+ .membase = (void *) CNS21XX_UART0_BASE_VIRT,
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+ .irq = CNS21XX_IRQ_UART0,
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+ .uartclk = CNS21XX_UART_CLOCK,
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+ .regshift = 2,
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+ .iotype = UPIO_MEM,
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+ .type = PORT_16550A,
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+ .flags = CNS21XX_UART_FLAGS,
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+ }, {
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+ /* terminating entry */
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+ },
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+};
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+
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+static struct platform_device cns21xx_uart0_device = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev = {
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+ .platform_data = cns21xx_uart0_data,
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+ },
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+};
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+
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+int __init cns21xx_register_uart0(void)
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+{
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+ return platform_device_register(&cns21xx_uart0_device);
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+}
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+
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+static struct plat_serial8250_port cns21xx_uart1_data[] = {
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+ {
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+ .mapbase = CNS21XX_UART1_BASE,
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+ .membase = (void *) CNS21XX_UART1_BASE_VIRT,
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+ .irq = CNS21XX_IRQ_UART1,
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+ .uartclk = CNS21XX_UART_CLOCK,
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+ .regshift = 2,
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+ .iotype = UPIO_MEM,
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+ .type = PORT_16550A,
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+ .flags = CNS21XX_UART_FLAGS,
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+ }, {
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+ /* terminating entry */
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+ },
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+};
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+
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+static struct platform_device cns21xx_uart1_device = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM1,
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+ .dev = {
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+ .platform_data = cns21xx_uart1_data,
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+ },
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+};
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+
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+int __init cns21xx_register_uart1(void)
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+{
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+ HAL_MISC_ENABLE_UART1_PINS();
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+ return platform_device_register(&cns21xx_uart1_device);
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+}
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--- a/arch/arm/mach-cns21xx/Makefile
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+++ b/arch/arm/mach-cns21xx/Makefile
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@@ -4,7 +4,7 @@
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# Object file lists.
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-obj-y := core.o irq.o mm.o time.o idle.o
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+obj-y := core.o irq.o mm.o time.o idle.o devices.o
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# machine specific files
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