Blackfin: add UART/SPORT early platform resources

This lets people easily select the UART/SPORT consoles for early printk
while leveraging the pins declared in the boards file.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

2 files changed, 78 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index cb7458792196..f60c333fec66 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -1165,3 +1165,42 @@ static int __init cm_bf548_init(void)
 }
 
 arch_initcall(cm_bf548_init);
+
+static struct platform_device *cm_bf548_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+        &bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+        &bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+        &bfin_uart3_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+        &bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+        &bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+        &bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+        &bfin_sport3_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(cm_bf548_early_devices,
+                ARRAY_SIZE(cm_bf548_early_devices));
+}
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 97033fea102e..b5d8ea187735 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -1390,3 +1390,42 @@ static int __init ezkit_init(void)
 }
 
 arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+        &bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+        &bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+        &bfin_uart3_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+        &bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+        &bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+        &bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+        &bfin_sport3_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(ezkit_early_devices,
+                ARRAY_SIZE(ezkit_early_devices));
+}