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Subject[PATCH 09/15] MIPS: malta: probe UARTs using DT
Date
Add the DT nodes required to probe the UARTs present in the Malta
development board, and remove the platform data that was previously
accomplishing the same thing. Enable CONFIG_SERIAL_OF_PLATFORM in the
various Malta defconfigs in order to continue supporting serial output
when using them.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
---

arch/mips/boot/dts/mti/malta.dts | 51 +++++++++++++++++++++++++++++
arch/mips/configs/malta_defconfig | 1 +
arch/mips/configs/malta_kvm_defconfig | 1 +
arch/mips/configs/malta_kvm_guest_defconfig | 1 +
arch/mips/configs/malta_qemu_32r6_defconfig | 1 +
arch/mips/configs/maltaaprp_defconfig | 1 +
arch/mips/configs/maltasmvp_defconfig | 1 +
arch/mips/configs/maltasmvp_eva_defconfig | 1 +
arch/mips/configs/maltaup_defconfig | 1 +
arch/mips/configs/maltaup_xpa_defconfig | 1 +
arch/mips/mti-malta/malta-platform.c | 37 ---------------------
11 files changed, 60 insertions(+), 37 deletions(-)

diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts
index 4bcdeb4..905a347 100644
--- a/arch/mips/boot/dts/mti/malta.dts
+++ b/arch/mips/boot/dts/mti/malta.dts
@@ -43,6 +43,57 @@
};
};

+ isa {
+ compatible = "isa";
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <1 0 0 0x1000>;
+
+ uart0: uart@3f8 {
+ compatible = "ns16550";
+ reg = <1 0x3f8 0x8>;
+
+ clock-frequency = <1843200>;
+
+ interrupt-parent = <&i8259>;
+ interrupts = <4>;
+
+ no-loopback-test;
+ };
+
+ uart1: uart@2f8 {
+ compatible = "ns16550";
+ reg = <1 0x2f8 0x8>;
+
+ clock-frequency = <1843200>;
+
+ interrupt-parent = <&i8259>;
+ interrupts = <3>;
+
+ no-loopback-test;
+ };
+ };
+
+ fpga {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1f000000 0x100000>;
+
+ uart2: uart@900 {
+ compatible = "ns16550";
+
+ reg = <0x900 0x40>;
+ reg-io-width = <4>;
+ reg-shift = <3>;
+
+ clock-frequency = <3686400>;
+
+ interrupt-parent = <&cpu_intc>;
+ interrupts = <4>;
+ };
+ };
+
board {
compatible = "simple-bus";
#address-cells = <1>;
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 61a4460..4f0528c 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -320,6 +320,7 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
diff --git a/arch/mips/configs/malta_kvm_defconfig b/arch/mips/configs/malta_kvm_defconfig
index d41742d..815595d 100644
--- a/arch/mips/configs/malta_kvm_defconfig
+++ b/arch/mips/configs/malta_kvm_defconfig
@@ -329,6 +329,7 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
diff --git a/arch/mips/configs/malta_kvm_guest_defconfig b/arch/mips/configs/malta_kvm_guest_defconfig
index a7806e8..2a0d7b0 100644
--- a/arch/mips/configs/malta_kvm_guest_defconfig
+++ b/arch/mips/configs/malta_kvm_guest_defconfig
@@ -329,6 +329,7 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
diff --git a/arch/mips/configs/malta_qemu_32r6_defconfig b/arch/mips/configs/malta_qemu_32r6_defconfig
index 4bce1f8..9415088 100644
--- a/arch/mips/configs/malta_qemu_32r6_defconfig
+++ b/arch/mips/configs/malta_qemu_32r6_defconfig
@@ -132,6 +132,7 @@ CONFIG_PCNET32=y
CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig
index fb042ce..955897a 100644
--- a/arch/mips/configs/maltaaprp_defconfig
+++ b/arch/mips/configs/maltaaprp_defconfig
@@ -132,6 +132,7 @@ CONFIG_PCNET32=y
CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig
index f8a3231..b3ae18e 100644
--- a/arch/mips/configs/maltasmvp_defconfig
+++ b/arch/mips/configs/maltasmvp_defconfig
@@ -136,6 +136,7 @@ CONFIG_PCNET32=y
CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
diff --git a/arch/mips/configs/maltasmvp_eva_defconfig b/arch/mips/configs/maltasmvp_eva_defconfig
index c83338a..9ae3235 100644
--- a/arch/mips/configs/maltasmvp_eva_defconfig
+++ b/arch/mips/configs/maltasmvp_eva_defconfig
@@ -137,6 +137,7 @@ CONFIG_PCNET32=y
CONFIG_LEGACY_PTY_COUNT=4
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig
index 6234464..73a54ca 100644
--- a/arch/mips/configs/maltaup_defconfig
+++ b/arch/mips/configs/maltaup_defconfig
@@ -131,6 +131,7 @@ CONFIG_PCNET32=y
CONFIG_LEGACY_PTY_COUNT=16
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_HW_RANDOM=y
# CONFIG_HWMON is not set
CONFIG_VIDEO_OUTPUT_CONTROL=m
diff --git a/arch/mips/configs/maltaup_xpa_defconfig b/arch/mips/configs/maltaup_xpa_defconfig
index c388bff..7d7714c 100644
--- a/arch/mips/configs/maltaup_xpa_defconfig
+++ b/arch/mips/configs/maltaup_xpa_defconfig
@@ -324,6 +324,7 @@ CONFIG_LIBERTAS=m
# CONFIG_SERIO_I8042 is not set
CONFIG_SERIAL_8250=y
CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_FB_CIRRUS=y
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c
index e1dd1c1..184c00d5 100644
--- a/arch/mips/mti-malta/malta-platform.c
+++ b/arch/mips/mti-malta/malta-platform.c
@@ -32,42 +32,6 @@
#include <asm/mips-boards/maltaint.h>
#include <mtd/mtd-abi.h>

-#define SMC_PORT(base, int) \
-{ \
- .iobase = base, \
- .irq = int, \
- .uartclk = 1843200, \
- .iotype = UPIO_PORT, \
- .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, \
- .regshift = 0, \
-}
-
-#define CBUS_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
-
-static struct plat_serial8250_port uart8250_data[] = {
- SMC_PORT(0x3F8, 4),
- SMC_PORT(0x2F8, 3),
-#ifndef CONFIG_MIPS_CMP
- {
- .mapbase = 0x1f000900, /* The CBUS UART */
- .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
- .uartclk = 3686400, /* Twice the usual clk! */
- .iotype = UPIO_MEM32,
- .flags = CBUS_UART_FLAGS,
- .regshift = 3,
- },
-#endif
- { },
-};
-
-static struct platform_device malta_uart8250_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = uart8250_data,
- },
-};
-
struct resource malta_rtc_resources[] = {
{
.start = RTC_PORT(0),
@@ -128,7 +92,6 @@ static struct platform_device malta_flash_device = {
};

static struct platform_device *malta_devices[] __initdata = {
- &malta_uart8250_device,
&malta_rtc_device,
&malta_flash_device,
};
--
2.4.1


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