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>
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 @@
}
};
-#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 @@
.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 @@
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 @@
},
},
},
-#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(void)
{
- int i;
+ int i, nr_ports;
- for (i = 0; i < ARRAY_SIZE(omap_uart); i++)
+ if (!(cpu_is_omap3630() || cpu_is_omap4430()))
+ nr_ports = 3;
+ else
+ nr_ports = ARRAY_SIZE(omap_uart);
+
+ for (i = 0; i < nr_ports; i++)
omap_serial_init_port(i);
}