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authorTony Lindgren <tony@atomide.com>2010-02-15 09:27:25 -0800
committerTony Lindgren <tony@atomide.com>2010-02-15 09:27:25 -0800
commita3a9b36e6b1c420088460af8e83ba7b83330669f (patch)
tree31f7ef7755234bac2a3d8ffee1222bf756ae4949 /arch/arm/mach-omap2/serial.c
parent3f1686a9bfe74979c6ad538c78039730f665f77e (diff)
downloadop-kernel-dev-a3a9b36e6b1c420088460af8e83ba7b83330669f.zip
op-kernel-dev-a3a9b36e6b1c420088460af8e83ba7b83330669f.tar.gz
omap2/3/4: Fix mach-omap2/serial.c for multiboot
Initialize UART4 only for 3630 and 44xx. Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
-rw-r--r--arch/arm/mach-omap2/serial.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index e657674..2b78400 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -114,7 +114,7 @@ static struct plat_serial8250_port serial_platform_data2[] = {
}
};
-#ifdef CONFIG_ARCH_OMAP4
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
static struct plat_serial8250_port serial_platform_data3[] = {
{
.irq = 70,
@@ -126,6 +126,15 @@ static struct plat_serial8250_port serial_platform_data3[] = {
.flags = 0
}
};
+
+static inline void omap2_set_globals_uart4(struct omap_globals *omap2_globals)
+{
+ serial_platform_data3[0].mapbase = omap2_globals->uart4_phys;
+}
+#else
+static inline void omap2_set_globals_uart4(struct omap_globals *omap2_globals)
+{
+}
#endif
void __init omap2_set_globals_uart(struct omap_globals *omap2_globals)
@@ -133,9 +142,8 @@ void __init omap2_set_globals_uart(struct omap_globals *omap2_globals)
serial_platform_data0[0].mapbase = omap2_globals->uart1_phys;
serial_platform_data1[0].mapbase = omap2_globals->uart2_phys;
serial_platform_data2[0].mapbase = omap2_globals->uart3_phys;
-#ifdef CONFIG_ARCH_OMAP4
- serial_platform_data3[0].mapbase = omap2_globals->uart4_phys;
-#endif
+ if (cpu_is_omap3630() || cpu_is_omap44xx())
+ omap2_set_globals_uart4(omap2_globals);
}
static inline unsigned int __serial_read_reg(struct uart_port *up,
@@ -581,7 +589,7 @@ static struct omap_uart_state omap_uart[] = {
},
},
},
-#ifdef CONFIG_ARCH_OMAP4
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
{
.pdev = {
.name = "serial8250",
@@ -728,8 +736,13 @@ void __init omap_serial_init_port(int port)
*/
void __init omap_serial_init(void)
{
- int i;
+ int i, nr_ports;
+
+ if (!(cpu_is_omap3630() || cpu_is_omap4430()))
+ nr_ports = 3;
+ else
+ nr_ports = ARRAY_SIZE(omap_uart);
- for (i = 0; i < ARRAY_SIZE(omap_uart); i++)
+ for (i = 0; i < nr_ports; i++)
omap_serial_init_port(i);
}
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