Root/target/linux/cns21xx/patches-2.6.37/101-cns21xx-serial-support.patch

1--- a/arch/arm/mach-cns21xx/common.h
2+++ b/arch/arm/mach-cns21xx/common.h
3@@ -15,4 +15,7 @@ void __init cns21xx_init_irq(void);
4 
5 extern struct sys_timer cns21xx_timer;
6 
7+int __init cns21xx_register_uart0(void);
8+int __init cns21xx_register_uart1(void);
9+
10 #endif /* _MACH_CNS21XX_COMMON_H */
11--- /dev/null
12+++ b/arch/arm/mach-cns21xx/devices.c
13@@ -0,0 +1,79 @@
14+/*
15+ * Copyright (c) 2008 Cavium Networks
16+ * Copyright (c) 2010 Gabor Juhos <juhosg@openwrt.org>
17+ *
18+ * This file is free software; you can redistribute it and/or modify
19+ * it under the terms of the GNU General Public License, Version 2, as
20+ * published by the Free Software Foundation.
21+ */
22+
23+#include <linux/kernel.h>
24+#include <linux/init.h>
25+#include <linux/platform_device.h>
26+#include <linux/serial_8250.h>
27+
28+#include <mach/irqs.h>
29+#include <mach/hardware.h>
30+#include <mach/cns21xx.h>
31+#include <mach/cns21xx_misc.h>
32+
33+#define CNS21XX_UART_CLOCK 24000000
34+
35+#define CNS21XX_UART_FLAGS (UPF_SKIP_TEST | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST)
36+
37+static struct plat_serial8250_port cns21xx_uart0_data[] = {
38+ {
39+ .mapbase = CNS21XX_UART0_BASE,
40+ .membase = (void *) CNS21XX_UART0_BASE_VIRT,
41+ .irq = CNS21XX_IRQ_UART0,
42+ .uartclk = CNS21XX_UART_CLOCK,
43+ .regshift = 2,
44+ .iotype = UPIO_MEM,
45+ .type = PORT_16550A,
46+ .flags = CNS21XX_UART_FLAGS,
47+ }, {
48+ /* terminating entry */
49+ },
50+};
51+
52+static struct platform_device cns21xx_uart0_device = {
53+ .name = "serial8250",
54+ .id = PLAT8250_DEV_PLATFORM,
55+ .dev = {
56+ .platform_data = cns21xx_uart0_data,
57+ },
58+};
59+
60+int __init cns21xx_register_uart0(void)
61+{
62+ return platform_device_register(&cns21xx_uart0_device);
63+}
64+
65+static struct plat_serial8250_port cns21xx_uart1_data[] = {
66+ {
67+ .mapbase = CNS21XX_UART1_BASE,
68+ .membase = (void *) CNS21XX_UART1_BASE_VIRT,
69+ .irq = CNS21XX_IRQ_UART1,
70+ .uartclk = CNS21XX_UART_CLOCK,
71+ .regshift = 2,
72+ .iotype = UPIO_MEM,
73+ .type = PORT_16550A,
74+ .flags = CNS21XX_UART_FLAGS,
75+ }, {
76+ /* terminating entry */
77+ },
78+};
79+
80+static struct platform_device cns21xx_uart1_device = {
81+ .name = "serial8250",
82+ .id = PLAT8250_DEV_PLATFORM1,
83+ .dev = {
84+ .platform_data = cns21xx_uart1_data,
85+ },
86+};
87+
88+int __init cns21xx_register_uart1(void)
89+{
90+ HAL_MISC_ENABLE_UART1_PINS();
91+ return platform_device_register(&cns21xx_uart1_device);
92+}
93--- a/arch/arm/mach-cns21xx/Makefile
94+++ b/arch/arm/mach-cns21xx/Makefile
95@@ -4,7 +4,7 @@
96 
97 # Object file lists.
98 
99-obj-y := core.o irq.o mm.o time.o
100+obj-y := core.o devices.o irq.o mm.o time.o
101 
102 # machine specific files
103 
104

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