From 615c02451751af06e86ebfeb3edc5b3a3d5dec55 Mon Sep 17 00:00:00 2001
From: kfx <kfx@rock-chips.com>
Date: Wed, 11 Jul 2012 18:43:53 +0800
Subject: [PATCH] rk2928: uart init

---
 arch/arm/mach-rk2928/board-rk2928-fpga.c | 13 ++++
 arch/arm/mach-rk2928/devices.c           | 80 ++++++++++++++++++++++++
 drivers/tty/serial/Kconfig               |  2 +-
 3 files changed, 94 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-rk2928/board-rk2928-fpga.c b/arch/arm/mach-rk2928/board-rk2928-fpga.c
index 74e21a4631ad..ed5b66e9303f 100644
--- a/arch/arm/mach-rk2928/board-rk2928-fpga.c
+++ b/arch/arm/mach-rk2928/board-rk2928-fpga.c
@@ -78,6 +78,19 @@ static struct clk_lookup clks[] = {
 	CLK("rk30_i2c.3", "i2c", &xin24m),
 	CLK("rk29xx_spim.0", "spi", &xin24m),
 	CLK("rk29xx_spim.1", "spi", &xin24m),
+
+        CLK("rk_serial.0", "uart_div", &xin24m),
+	CLK("rk_serial.0", "uart_frac_div", &xin24m),
+	CLK("rk_serial.0", "uart", &xin24m),
+	CLK("rk_serial.0", "pclk_uart", &xin24m),
+	CLK("rk_serial.1", "uart_div", &xin24m),
+	CLK("rk_serial.1", "uart_frac_div", &xin24m),
+	CLK("rk_serial.1", "uart", &xin24m),
+	CLK("rk_serial.1", "pclk_uart", &xin24m),
+	CLK("rk_serial.2", "uart_div", &xin24m),
+	CLK("rk_serial.2", "uart_frac_div", &xin24m),
+	CLK("rk_serial.2", "uart", &xin24m),
+	CLK("rk_serial.2", "pclk_uart", &xin24m),
 };
 
 void __init rk30_clock_init(void)
diff --git a/arch/arm/mach-rk2928/devices.c b/arch/arm/mach-rk2928/devices.c
index 88c89c446b7e..112f302cd6a0 100755
--- a/arch/arm/mach-rk2928/devices.c
+++ b/arch/arm/mach-rk2928/devices.c
@@ -102,6 +102,85 @@ static void __init rk2928_init_dma(void)
 {
 	platform_add_devices(rk2928_dmacs, ARRAY_SIZE(rk2928_dmacs));
 }
+
+#ifdef CONFIG_UART0_RK29
+static struct resource resources_uart0[] = {
+	{
+		.start	= IRQ_UART0,
+		.end	= IRQ_UART0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= RK2928_UART0_PHYS,
+		.end	= RK2928_UART0_PHYS + RK2928_UART0_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device device_uart0 = {
+	.name	= "rk_serial",
+	.id	= 0,
+	.num_resources	= ARRAY_SIZE(resources_uart0),
+	.resource	= resources_uart0,
+};
+#endif
+
+#ifdef CONFIG_UART1_RK29
+static struct resource resources_uart1[] = {
+	{
+		.start	= IRQ_UART1,
+		.end	= IRQ_UART1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= RK2928_UART1_PHYS,
+		.end	= RK2928_UART1_PHYS + RK2928_UART1_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device device_uart1 = {
+	.name	= "rk_serial",
+	.id	= 1,
+	.num_resources	= ARRAY_SIZE(resources_uart1),
+	.resource	= resources_uart1,
+};
+#endif
+
+#ifdef CONFIG_UART2_RK29
+static struct resource resources_uart2[] = {
+	{
+		.start	= IRQ_UART2,
+		.end	= IRQ_UART2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		.start	= RK2928_UART2_PHYS,
+		.end	= RK2928_UART2_PHYS + RK2928_UART2_SIZE - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device device_uart2 = {
+	.name	= "rk_serial",
+	.id	= 2,
+	.num_resources	= ARRAY_SIZE(resources_uart2),
+	.resource	= resources_uart2,
+};
+#endif
+
+static void __init rk2928_init_uart(void)
+{
+#ifdef CONFIG_UART0_RK29
+	platform_device_register(&device_uart0);
+#endif
+#ifdef CONFIG_UART1_RK29
+	platform_device_register(&device_uart1);
+#endif
+#ifdef CONFIG_UART2_RK29
+	platform_device_register(&device_uart2);
+#endif
+}
 // i2c
 #ifdef CONFIG_I2C0_CONTROLLER_RK29
 #define I2C0_ADAP_TYPE  I2C_RK29_ADAP
@@ -414,6 +493,7 @@ static void __init rk2928_init_spim(void)
 static int __init rk2928_init_devices(void)
 {
 	rk2928_init_dma();
+	rk2928_init_uart();
 	rk2928_init_i2c();
 	rk2928_init_spim();
 #if defined(CONFIG_FIQ_DEBUGGER) && defined(DEBUG_UART_PHYS)
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 4763420c6a4a..3405977f4d43 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1555,7 +1555,7 @@ config UART2_DMA_RK29
 
 config UART3_RK29
 	bool "Serial port 3 support"
-	depends on SERIAL_RK29
+	depends on SERIAL_RK29 && !ARCH_RK2928
 
 config UART3_CTS_RTS_RK29
 	bool "Serial port 3 CTS/RTS support"
-- 
2.34.1