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>

6 files changed, 117 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c
index cb3b74f32346..d10c8e8b69cf 100644
--- a/arch/blackfin/mach-bf533/boards/H8606.c
+++ b/arch/blackfin/mach-bf533/boards/H8606.c
@@ -455,3 +455,18 @@ static int __init H8606_init(void)
 }
 
 arch_initcall(H8606_init);
+
+static struct platform_device *H8606_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(H8606_early_devices,
+                ARRAY_SIZE(H8606_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index 4d9294642f10..842b4fa76ea9 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -486,3 +486,27 @@ static int __init blackstamp_init(void)
 }
 
 arch_initcall(blackstamp_init);
+
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_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
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(stamp_early_devices,
+                ARRAY_SIZE(stamp_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c
index 33ff27a4a474..0592fe0bb8af 100644
--- a/arch/blackfin/mach-bf533/boards/cm_bf533.c
+++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c
@@ -580,3 +580,27 @@ static int __init cm_bf533_init(void)
 }
 
 arch_initcall(cm_bf533_init);
+
+static struct platform_device *cm_bf533_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_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
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(cm_bf533_early_devices,
+                ARRAY_SIZE(cm_bf533_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index 50392476722a..5332c9828a33 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -531,3 +531,18 @@ 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
+#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));
+}
diff --git a/arch/blackfin/mach-bf533/boards/ip0x.c b/arch/blackfin/mach-bf533/boards/ip0x.c
index a60d0369ceb7..7349970db978 100644
--- a/arch/blackfin/mach-bf533/boards/ip0x.c
+++ b/arch/blackfin/mach-bf533/boards/ip0x.c
@@ -308,3 +308,18 @@ static int __init ip0x_init(void)
 }
 
 arch_initcall(ip0x_init);
+
+static struct platform_device *ip0x_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(ip0x_early_devices,
+                ARRAY_SIZE(ip0x_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 428f724dd080..3e80a795d3c7 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -642,6 +642,30 @@ static int __init stamp_init(void)
 
 arch_initcall(stamp_init);
 
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+        &bfin_uart0_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
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+        printk(KERN_INFO "register early platform devices\n");
+        early_platform_add_devices(stamp_early_devices,
+                ARRAY_SIZE(stamp_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
         /* workaround pull up on cpld / flash pin not being strong enough */