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-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/boot/dts/lpc32xx.dtsi34
-rw-r--r--arch/arm/boot/dts/phy3250.dts8
-rw-r--r--arch/arm/mach-lpc32xx/Kconfig32
-rw-r--r--arch/arm/mach-lpc32xx/serial.c85
5 files changed, 35 insertions, 126 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 84449dd8f031..973d5380a431 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1019,8 +1019,6 @@ source "arch/arm/mach-kirkwood/Kconfig"
source "arch/arm/mach-ks8695/Kconfig"
-source "arch/arm/mach-lpc32xx/Kconfig"
-
source "arch/arm/mach-msm/Kconfig"
source "arch/arm/mach-mv78xx0/Kconfig"
diff --git a/arch/arm/boot/dts/lpc32xx.dtsi b/arch/arm/boot/dts/lpc32xx.dtsi
index a9b2a6a22024..acb68171d04d 100644
--- a/arch/arm/boot/dts/lpc32xx.dtsi
+++ b/arch/arm/boot/dts/lpc32xx.dtsi
@@ -126,24 +126,42 @@
reg = <0x2009C000 0x1000>;
};
+ /* UART5 first since it is the default console, ttyS0 */
+ uart5: serial@40090000 {
+ /* actually, ns16550a w/ 64 byte fifos! */
+ compatible = "nxp,lpc3220-uart";
+ reg = <0x40090000 0x1000>;
+ interrupts = <9 0>;
+ clock-frequency = <13000000>;
+ reg-shift = <2>;
+ status = "disabled";
+ };
+
uart3: serial@40080000 {
- compatible = "nxp,serial";
+ compatible = "nxp,lpc3220-uart";
reg = <0x40080000 0x1000>;
+ interrupts = <7 0>;
+ clock-frequency = <13000000>;
+ reg-shift = <2>;
+ status = "disabled";
};
uart4: serial@40088000 {
- compatible = "nxp,serial";
+ compatible = "nxp,lpc3220-uart";
reg = <0x40088000 0x1000>;
- };
-
- uart5: serial@40090000 {
- compatible = "nxp,serial";
- reg = <0x40090000 0x1000>;
+ interrupts = <8 0>;
+ clock-frequency = <13000000>;
+ reg-shift = <2>;
+ status = "disabled";
};
uart6: serial@40098000 {
- compatible = "nxp,serial";
+ compatible = "nxp,lpc3220-uart";
reg = <0x40098000 0x1000>;
+ interrupts = <10 0>;
+ clock-frequency = <13000000>;
+ reg-shift = <2>;
+ status = "disabled";
};
i2c1: i2c@400A0000 {
diff --git a/arch/arm/boot/dts/phy3250.dts b/arch/arm/boot/dts/phy3250.dts
index d5432378f234..57d4961372d4 100644
--- a/arch/arm/boot/dts/phy3250.dts
+++ b/arch/arm/boot/dts/phy3250.dts
@@ -94,6 +94,14 @@
};
apb {
+ uart5: serial@40090000 {
+ status = "okay";
+ };
+
+ uart3: serial@40080000 {
+ status = "okay";
+ };
+
i2c1: i2c@400A0000 {
clock-frequency = <100000>;
diff --git a/arch/arm/mach-lpc32xx/Kconfig b/arch/arm/mach-lpc32xx/Kconfig
deleted file mode 100644
index e0b3eee83834..000000000000
--- a/arch/arm/mach-lpc32xx/Kconfig
+++ /dev/null
@@ -1,32 +0,0 @@
-if ARCH_LPC32XX
-
-menu "Individual UART enable selections"
-
-config ARCH_LPC32XX_UART3_SELECT
- bool "Add support for standard UART3"
- help
- Adds support for standard UART 3 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART4_SELECT
- bool "Add support for standard UART4"
- help
- Adds support for standard UART 4 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART5_SELECT
- bool "Add support for standard UART5"
- default y
- help
- Adds support for standard UART 5 when the 8250 serial support
- is enabled.
-
-config ARCH_LPC32XX_UART6_SELECT
- bool "Add support for standard UART6"
- help
- Adds support for standard UART 6 when the 8250 serial support
- is enabled.
-
-endmenu
-
-endif
diff --git a/arch/arm/mach-lpc32xx/serial.c b/arch/arm/mach-lpc32xx/serial.c
index f2735281616a..b5a3f3423f63 100644
--- a/arch/arm/mach-lpc32xx/serial.c
+++ b/arch/arm/mach-lpc32xx/serial.c
@@ -31,59 +31,6 @@
#define LPC32XX_SUART_FIFO_SIZE 64
-/* Standard 8250/16550 compatible serial ports */
-static struct plat_serial8250_port serial_std_platform_data[] = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
- {
- .membase = io_p2v(LPC32XX_UART5_BASE),
- .mapbase = LPC32XX_UART5_BASE,
- .irq = IRQ_LPC32XX_UART_IIR5,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
- {
- .membase = io_p2v(LPC32XX_UART3_BASE),
- .mapbase = LPC32XX_UART3_BASE,
- .irq = IRQ_LPC32XX_UART_IIR3,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
- {
- .membase = io_p2v(LPC32XX_UART4_BASE),
- .mapbase = LPC32XX_UART4_BASE,
- .irq = IRQ_LPC32XX_UART_IIR4,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
- {
- .membase = io_p2v(LPC32XX_UART6_BASE),
- .mapbase = LPC32XX_UART6_BASE,
- .irq = IRQ_LPC32XX_UART_IIR6,
- .uartclk = LPC32XX_MAIN_OSC_FREQ,
- .regshift = 2,
- .iotype = UPIO_MEM32,
- .flags = UPF_BOOT_AUTOCONF | UPF_BUGGY_UART |
- UPF_SKIP_TEST,
- },
-#endif
- { },
-};
-
struct uartinit {
char *uart_ck_name;
u32 ck_mode_mask;
@@ -92,7 +39,6 @@ struct uartinit {
};
static struct uartinit uartinit_data[] __initdata = {
-#ifdef CONFIG_ARCH_LPC32XX_UART5_SELECT
{
.uart_ck_name = "uart5_ck",
.ck_mode_mask =
@@ -100,8 +46,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART5_CLK_CTRL,
.mapbase = LPC32XX_UART5_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART3_SELECT
{
.uart_ck_name = "uart3_ck",
.ck_mode_mask =
@@ -109,8 +53,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART3_CLK_CTRL,
.mapbase = LPC32XX_UART3_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART4_SELECT
{
.uart_ck_name = "uart4_ck",
.ck_mode_mask =
@@ -118,8 +60,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART4_CLK_CTRL,
.mapbase = LPC32XX_UART4_BASE,
},
-#endif
-#ifdef CONFIG_ARCH_LPC32XX_UART6_SELECT
{
.uart_ck_name = "uart6_ck",
.ck_mode_mask =
@@ -127,19 +67,6 @@ static struct uartinit uartinit_data[] __initdata = {
.pdiv_clk_reg = LPC32XX_CLKPWR_UART6_CLK_CTRL,
.mapbase = LPC32XX_UART6_BASE,
},
-#endif
-};
-
-static struct platform_device serial_std_platform_device = {
- .name = "serial8250",
- .id = 0,
- .dev = {
- .platform_data = serial_std_platform_data,
- },
-};
-
-static struct platform_device *lpc32xx_serial_devs[] __initdata = {
- &serial_std_platform_device,
};
void __init lpc32xx_serial_init(void)
@@ -156,15 +83,8 @@ void __init lpc32xx_serial_init(void)
clk = clk_get(NULL, uartinit_data[i].uart_ck_name);
if (!IS_ERR(clk)) {
clk_enable(clk);
- serial_std_platform_data[i].uartclk =
- clk_get_rate(clk);
}
- /* Fall back on main osc rate if clock rate return fails */
- if (serial_std_platform_data[i].uartclk == 0)
- serial_std_platform_data[i].uartclk =
- LPC32XX_MAIN_OSC_FREQ;
-
/* Setup UART clock modes for all UARTs, disable autoclock */
clkmodes |= uartinit_data[i].ck_mode_mask;
@@ -189,7 +109,7 @@ void __init lpc32xx_serial_init(void)
__raw_writel(clkmodes, LPC32XX_UARTCTL_CLKMODE);
for (i = 0; i < ARRAY_SIZE(uartinit_data); i++) {
/* Force a flush of the RX FIFOs to work around a HW bug */
- puart = serial_std_platform_data[i].mapbase;
+ puart = uartinit_data[i].mapbase;
__raw_writel(0xC1, LPC32XX_UART_IIR_FCR(puart));
__raw_writel(0x00, LPC32XX_UART_DLL_FIFO(puart));
j = LPC32XX_SUART_FIFO_SIZE;
@@ -202,7 +122,4 @@ void __init lpc32xx_serial_init(void)
tmp = __raw_readl(LPC32XX_UARTCTL_CTRL);
tmp &= ~LPC32XX_UART_U5_ROUTE_TO_USB;
__raw_writel(tmp, LPC32XX_UARTCTL_CTRL);
-
- platform_add_devices(lpc32xx_serial_devs,
- ARRAY_SIZE(lpc32xx_serial_devs));
}
generated by cgit (git 2.34.1) at 2024-06-27 01:27:26 +0000