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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-02 12:44:17 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-09-02 12:44:17 +0000
commit07244cdc4fa4c87351dffbdaae4cbd131edf43ef (patch)
tree6a5bfddbeff3bd163f60e47f5c8760838e6cb693 /target/linux/ramips
parent926e540be235f7757036b65509bf75f118f07694 (diff)
[ramips] use common code for early_serial setup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17467 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips')
-rw-r--r--target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h2
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/common/setup.c25
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c39
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c39
4 files changed, 35 insertions, 70 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
index 250e5a778..9e0fdeca6 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
@@ -17,5 +17,7 @@ void __init ramips_intc_irq_init(unsigned intc_base, unsigned irq,
u32 ramips_intc_get_status(void);
void __init ramips_soc_setup(void);
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+ unsigned irq);
#endif /* __ASM_MACH_RALINK_COMMON_H */
diff --git a/target/linux/ramips/files/arch/mips/ralink/common/setup.c b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
index 81a1ba4fa..3030fcd15 100644
--- a/target/linux/ramips/files/arch/mips/ralink/common/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/common/setup.c
@@ -12,6 +12,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
@@ -43,6 +44,30 @@ static void __init detect_mem_size(void)
add_memory_region(RALINK_SOC_SDRAM_BASE, size, BOOT_MEM_RAM);
}
+void __init ramips_early_serial_setup(int line, unsigned base, unsigned freq,
+ unsigned irq)
+{
+ struct uart_port p;
+ int err;
+
+ memset(&p, 0, sizeof(p));
+ p.flags = UPF_SKIP_TEST;
+ p.iotype = UPIO_AU;
+ p.uartclk = freq;
+ p.regshift = 2;
+ p.type = PORT_16550A;
+
+ p.mapbase = base;
+ p.membase = ioremap_nocache(p.mapbase, PAGE_SIZE);
+ p.line = line;
+ p.irq = irq;
+
+ err = early_serial_setup(&p);
+ if (err)
+ printk(KERN_ERR "early serial%d registration failed %d\n",
+ line, err);
+}
+
void __init plat_mem_setup(void)
{
set_io_port_base(KSEG1);
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
index 8dc4b3c32..e2328fe5e 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/setup.c
@@ -14,7 +14,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/serial_8250.h>
#include <asm/mips_machine.h>
#include <asm/reboot.h>
@@ -38,39 +37,6 @@ static void rt288x_halt(void)
cpu_wait();
}
-static void __init rt288x_early_serial_setup(void)
-{
- struct uart_port p;
- int err;
-
- memset(&p, 0, sizeof(p));
- p.flags = UPF_SKIP_TEST;
- p.iotype = UPIO_AU;
- p.uartclk = rt288x_sys_freq;
- p.regshift = 2;
- p.type = PORT_16550A;
-
- p.mapbase = RT2880_UART0_BASE;
- p.membase = ioremap_nocache(p.mapbase, RT2880_UART0_SIZE);
- p.line = 0;
- p.irq = RT2880_INTC_IRQ_UART0;
-
- err = early_serial_setup(&p);
- if (err)
- printk(KERN_ERR "RT288x: early UART0 registration failed %d\n",
- err);
-
- p.mapbase = RT2880_UART1_BASE;
- p.membase = ioremap_nocache(p.mapbase, RT2880_UART1_SIZE);
- p.line = 1;
- p.irq = RT2880_INTC_IRQ_UART1;
-
- err = early_serial_setup(&p);
- if (err)
- printk(KERN_ERR "RT288x: early UART1 registration failed %d\n",
- err);
-}
-
unsigned int __cpuinit get_c0_compare_irq(void)
{
return CP0_LEGACY_COMPARE_IRQ;
@@ -92,7 +58,10 @@ void __init ramips_soc_setup(void)
_machine_halt = rt288x_halt;
pm_power_off = rt288x_halt;
- rt288x_early_serial_setup();
+ ramips_early_serial_setup(0, RT2880_UART0_BASE, rt288x_sys_freq,
+ RT2880_INTC_IRQ_UART0);
+ ramips_early_serial_setup(1, RT2880_UART1_BASE, rt288x_sys_freq,
+ RT2880_INTC_IRQ_UART1);
}
void __init plat_time_init(void)
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
index 50a8be873..19f340bd4 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/setup.c
@@ -13,7 +13,6 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
-#include <linux/serial_8250.h>
#include <asm/mips_machine.h>
#include <asm/reboot.h>
@@ -38,39 +37,6 @@ static void rt305x_halt(void)
cpu_wait();
}
-static void __init rt305x_early_serial_setup(void)
-{
- struct uart_port p;
- int err;
-
- memset(&p, 0, sizeof(p));
- p.flags = UPF_SKIP_TEST;
- p.iotype = UPIO_AU;
- p.uartclk = rt305x_sys_freq;
- p.regshift = 2;
- p.type = PORT_16550A;
-
- p.mapbase = RT305X_UART0_BASE;
- p.membase = ioremap_nocache(p.mapbase, RT305X_UART0_SIZE);
- p.line = 0;
- p.irq = RT305X_INTC_IRQ_UART0;
-
- err = early_serial_setup(&p);
- if (err)
- printk(KERN_ERR "RT305x: early UART0 registration failed %d\n",
- err);
-
- p.mapbase = RT305X_UART1_BASE;
- p.membase = ioremap_nocache(p.mapbase, RT305X_UART1_SIZE);
- p.line = 1;
- p.irq = RT305X_INTC_IRQ_UART1;
-
- err = early_serial_setup(&p);
- if (err)
- printk(KERN_ERR "RT305x: early UART1 registration failed %d\n",
- err);
-}
-
unsigned int __cpuinit get_c0_compare_irq(void)
{
return CP0_LEGACY_COMPARE_IRQ;
@@ -92,7 +58,10 @@ void __init ramips_soc_setup(void)
_machine_halt = rt305x_halt;
pm_power_off = rt305x_halt;
- rt305x_early_serial_setup();
+ ramips_early_serial_setup(0, RT305X_UART0_BASE, rt305x_sys_freq,
+ RT305X_INTC_IRQ_UART0);
+ ramips_early_serial_setup(1, RT305X_UART1_BASE, rt305x_sys_freq,
+ RT305X_INTC_IRQ_UART1);
}
void __init plat_time_init(void)