Convert D-Link DNS-323 to use the device tree and remove associated
mach file.
Signed-off-by: Mauri Sandberg <maukka@xxxxxxxxxxxx>
---
arch/arm/boot/dts/Makefile | 3 +
arch/arm/boot/dts/orion5x-dlink-dns323.dtsi | 217 ++++++
arch/arm/boot/dts/orion5x-dlink-dns323a1.dts | 59 ++
arch/arm/boot/dts/orion5x-dlink-dns323b1.dts | 38 +
arch/arm/boot/dts/orion5x-dlink-dns323c1.dts | 80 ++
arch/arm/mach-orion5x/Kconfig | 6 +-
arch/arm/mach-orion5x/Makefile | 2 +-
arch/arm/mach-orion5x/board-dns323.c | 118 +++
arch/arm/mach-orion5x/board-dt.c | 3 +
arch/arm/mach-orion5x/common.h | 6 +
arch/arm/mach-orion5x/dns323-setup.c | 724 -------------------
11 files changed, 528 insertions(+), 728 deletions(-)
create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
create mode 100644 arch/arm/boot/dts/orion5x-dlink-dns323c1.dts
create mode 100644 arch/arm/mach-orion5x/board-dns323.c
delete mode 100644 arch/arm/mach-orion5x/dns323-setup.c
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7c16f8a2b738..c7c5c0b6c843 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -949,6 +949,9 @@ dtb-$(CONFIG_SOC_DRA7XX) += \
dra71-evm.dtb \
dra76-evm.dtb
dtb-$(CONFIG_ARCH_ORION5X) += \
+ orion5x-dlink-dns323a1.dtb \
+ orion5x-dlink-dns323b1.dtb \
+ orion5x-dlink-dns323c1.dtb \
orion5x-kuroboxpro.dtb \
orion5x-lacie-d2-network.dtb \
orion5x-lacie-ethernet-disk-mini-v2.dtb \
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi b/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
new file mode 100644
index 000000000000..2b033d37cbf8
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323.dtsi
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@xxxxxxxxxxxx>
+ *
+ */
+
+/ {
+ model = "D-Link DNS-323";
+ compatible = "dlink,dns323", "marvell,orion5x";
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x4000000>; /* 64 MB */
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ bootargs = "console=ttyS0,115200n8 earlyprintk";
+ };
+
+ soc {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>,
+ <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>,
+ <MBUS_ID(0x01, 0x0f) 0 0xf4000000 0x800000>;
+
+ /delete-node/ devbus-cs0;
+ /delete-node/ devbus-cs1;
+ /delete-node/ devbus-cs2;
+
+ internal-regs {
+ /delete-node/ dma-controller@60900; /* xor */
+ /delete-node/ ehci@a0000; /* ehci1 */
+ /delete-node/ serial@12100; /* uart1 */
+ /delete-node/ spi@10600;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-0 = <&pmx_gpio_keys>;
+ pinctrl-names = "default";
+
+ key-0 {
+ label = "Power button";
+ linux,code = <KEY_POWER>;
+ gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+ };
+
+ key-1 {
+ label = "Reset button";
+ linux,code = <KEY_RESTART>;
+ gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+ pinctrl-0 = <&pmx_gpio_leds>;
+ pinctrl-names = "default";
+
+ led-0 {
+ label = "amber:right";
+ gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+ };
+
+ led-1 {
+ label = "amber:left";
+ gpios = <&gpio0 2 GPIO_ACTIVE_LOW>;
+ };
+
+ led-2 {
+ label = "blue:power";
+ gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
+ default-state = "on";
+ };
+ };
+
+ gpio-poweroff {
+ compatible = "gpio-poweroff";
+ pinctrl-0 = <&pmx_power_off>;
+ pinctrl-names = "default";
+
+ gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+ timeout-ms = <3000>;
+ };
+};
+
+&devbus_bootcs {
+ status = "okay";
+ devbus,keep-config;
+
+ flash@0 {
+ compatible = "cfi-flash";
+ reg = <0 0x800000>;
+ bank-width = <1>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "MTD1";
+ reg = <0x000000 0x010000>;
+ read-only;
+ };
+
+ partition@10000 {
+ label = "MTD2";
+ reg = <0x010000 0x010000>;
+ read-only;
+ };
+
+ partition@20000 {
+ label = "Linux Kernel";
+ reg = <0x020000 0x180000>;
+ };
+
+ partition@1a0000 {
+ label = "File System";
+ reg = <0x1a0000 0x630000>;
+ };
+
+ uboot: partition@7d0000 {
+ label = "U-boot";
+ reg = <0x7d0000 0x030000>;
+ read-only;
+ };
+ };
+ };
+};
+
+&ehci0 {
+ status = "okay";
+};
+
+&i2c {
+ status = "okay";
+ clock-frequency = <100000>;
+
+ /* fan speed PWM */
+ fan@3e {
+ compatible = "g760a";
+ reg = <0x3e>;
+ };
+
+ /* temp sensor and thermal watchdog */
+ temperature-sensor@48 {
+ compatible = "gmt,g751";
+ reg = <0x48>;
+ };
+
+ /* RTC w/ alarm */
+ rtc@68 {
+ compatible = "st,m41t80";
+ reg = <0x68>;
+ };
+};
+
+&mdio {
+ status = "okay";
+
+ ethphy: ethernet-phy {
+ reg = <8>;
+ };
+};
+
+ð {
+ status = "okay";
+ pinctrl-0 = <&pmx_ge>;
+ pinctrl-names = "default";
+};
+
+ðport {
+ phy-handle = <ðphy>;
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&pinctrl {
+ pmx_gpio_leds: pmx-gpio-leds {
+ marvell,pins = "mpp1", "mpp2", "mpp5";
+ marvell,function = "gpio";
+ };
+
+ pmx_gpio_misc: pmx-gpio-misc {
+ /* set marvell,pins in board file */
+ marvell,function = "gpio";
+ };
+
+ pmx_power_off: pmx-power-off {
+ marvell,pins = "mpp8";
+ marvell,function = "gpio";
+ };
+
+ pmx_gpio_keys: pmx-gpio-keys {
+ marvell,pins = "mpp9", "mpp10";
+ marvell,function = "gpio";
+ };
+
+ pmx_ge: pmx-ge {
+ marvell,function = "ge";
+ };
+};
+
+&sata {
+ pinctrl-0 = <&pmx_sata0 &pmx_sata1>;
+ pinctrl-names = "default";
+ status = "okay";
+ nr-ports = <2>;
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
new file mode 100644
index 000000000000..73e7006ab5a7
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323a1.dts
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@xxxxxxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "orion5x-mv88f5181.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+ compatible = "dlink,dns323a1", "dlink,dns323", "marvell,orion5x-88f5181",
+ "marvell,orion5x";
+
+ /delete-node/ sa-sram; /* crypto_sram */
+
+ soc {
+ internal-regs {
+ /delete-node/ crypto@90000;
+ /delete-node/ sata@80000;
+ };
+ };
+};
+
+&gpio0 {
+ pinctrl-0 = <&pmx_gpio_misc>;
+ pinctrl-names = "default";
+
+ /* The DNS323 rev A1 power LED requires GPIO 4 to be low. */
+ pin_gpio0_4 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_LOW>;
+ output-high;
+ line-name = "Power led enable";
+ };
+};
+
+&pinctrl {
+ pinctrl-0 = <&pmx_pci_pins>;
+ pinctrl-names = "default";
+
+ pmx_pci_pins: pmx-pci-pins {
+ marvell,pins = "mpp0";
+ marvell,function = "pcie";
+ };
+};
+
+&pmx_gpio_misc {
+ marvell,pins = "mpp4";
+};
+
+&pmx_ge {
+ marvell,pins = "mpp11", "mpp12", "mpp13", "mpp14", "mpp15",
+ "mpp16", "mpp17", "mpp18", "mpp19";
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
new file mode 100644
index 000000000000..31251f64c573
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323b1.dts
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@xxxxxxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "orion5x-mv88f5182.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+ compatible = "dlink,dns323b1", "dlink,dns323", "marvell,orion5x-88f5182",
+ "marvell,orion5x";
+};
+
+&gpio0 {
+ pinctrl-0 = <&pmx_gpio_misc>;
+ pinctrl-names = "default";
+
+ /* The rev B1 has a flag to indicate the system is up.
+ * Without this flag set, power LED will flash and cannot be
+ * controlled via gpio-leds.
+ */
+ pin_gpio0_3 {
+ gpio-hog;
+ gpios = <3 GPIO_ACTIVE_LOW>;
+ output-high;
+ line-name = "System up";
+ };
+};
+
+&pmx_gpio_misc {
+ marvell,pins = "mpp3";
+};
diff --git a/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts b/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts
new file mode 100644
index 000000000000..c36af513ecd7
--- /dev/null
+++ b/arch/arm/boot/dts/orion5x-dlink-dns323c1.dts
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@xxxxxxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+#include "orion5x-mv88f5182.dtsi"
+#include "orion5x-dlink-dns323.dtsi"
+
+/ {
+ compatible = "dlink,dns323c1", "dlink,dns323", "marvell,orion5x-88f5182",
+ "marvell,orion5x";
+
+ fan {
+ compatible = "gpio-fan";
+ pinctrl-0 = <&pmx_gpio_fan>;
+ pinctrl-names = "default";
+
+ gpios = <&gpio0 19 GPIO_ACTIVE_LOW
+ &gpio0 18 GPIO_ACTIVE_LOW>;
+
+ gpio-fan,speed-map = <0 0
+ 1000 1
+ 2000 2>;
+ alarm-gpios = <&gpio0 10 GPIO_ACTIVE_HIGH>;
+ };
+
+ gpio-keys {
+ /delete-node/ key-1;
+
+ key-0 {
+ gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ gpio-leds {
+ led-0 {
+ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+ };
+
+ led-1 {
+ gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+ };
+
+ led-2 {
+ gpios = <&gpio0 17 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+};
+
+&i2c {
+ /delete-node/ fan@3e;
+};
+
+&pinctrl {
+ /delete-node/ pmx-gpio-misc;
+
+ pmx_gpio_fan: pmx-gpio-fan {
+ marvell,pins = "mpp10", "mpp18", "mpp19";
+ marvell,function = "gpio";
+ };
+};
+
+&pmx_gpio_leds {
+ marvell,pins = "mpp8", "mpp9", "mpp17";
+};
+
+&pmx_power_off {
+ marvell,pins = "mpp2";
+};
+
+&pmx_gpio_keys {
+ marvell,pins = "mpp1";
+};
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index c77f3b4e287b..65cd5307a460 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -55,9 +55,9 @@ config MACH_KUROBOX_PRO
Say 'Y' here if you want your kernel to support the
KuroBox Pro platform.
-config MACH_DNS323
- bool "D-Link DNS-323"
- select I2C_BOARDINFO if I2C
+config MACH_DNS323_DT
+ bool "D-Link DNS-323 (Flattened Device Tree)"
+ select ARCH_ORION5X_DT
help
Say 'Y' here if you want your kernel to support the
D-Link DNS-323 platform.
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 1a585a62d5e6..b8c0671fbd1c 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_MACH_KUROBOX_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_TERASTATION_PRO2) += terastation_pro2-setup.o
obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
obj-$(CONFIG_MACH_LINKSTATION_LS_HGL) += ls_hgl-setup.o
-obj-$(CONFIG_MACH_DNS323) += dns323-setup.o
obj-$(CONFIG_MACH_TS209) += ts209-setup.o tsx09-common.o
obj-$(CONFIG_MACH_TS409) += ts409-setup.o tsx09-common.o
obj-$(CONFIG_MACH_WRT350N_V2) += wrt350n-v2-setup.o
@@ -22,5 +21,6 @@ obj-$(CONFIG_MACH_RD88F6183AP_GE) += rd88f6183ap-ge-setup.o
obj-$(CONFIG_ARCH_ORION5X_DT) += board-dt.o
obj-$(CONFIG_MACH_D2NET_DT) += board-d2net.o
+obj-$(CONFIG_MACH_DNS323_DT) += board-dns323.o
obj-$(CONFIG_MACH_MSS2_DT) += board-mss2.o
obj-$(CONFIG_MACH_RD88F5182_DT) += board-rd88f5182.o
diff --git a/arch/arm/mach-orion5x/board-dns323.c b/arch/arm/mach-orion5x/board-dns323.c
new file mode 100644
index 000000000000..705ddb7b691a
--- /dev/null
+++ b/arch/arm/mach-orion5x/board-dns323.c
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Mauri Sandberg <maukka@xxxxxxxxxxxx>
+ *
+ * Flattened Device Tree board initialization
+ *
+ * This is adapted from existing mach file and most of the source code is
+ * originally written by:
+ * Copyright (C) 2007 Herbert Valerio Riedel <hvr@xxxxxxx>
+ * Copyright (C) 2010 Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
+ */
+
+#include <linux/of.h>
+#include <linux/phy.h>
+#include <linux/marvell_phy.h>
+#include <asm/mach/pci.h>
+#include "bridge-regs.h"
+#include "common.h"
+
+/* Rev A1 and B1 */
+#define DNS323_GPIO_LED_RIGHT_AMBER 1
+#define DNS323_GPIO_LED_LEFT_AMBER 2
+#define DNS323_GPIO_SYSTEM_UP 3
+#define DNS323_GPIO_LED_POWER1 4
+#define DNS323_GPIO_LED_POWER2 5
+#define DNS323_GPIO_OVERTEMP 6
+#define DNS323_GPIO_RTC 7
+#define DNS323_GPIO_POWER_OFF 8
+#define DNS323_GPIO_KEY_POWER 9
+#define DNS323_GPIO_KEY_RESET 10
+
+/* Rev C1 */
+#define DNS323C_GPIO_KEY_POWER 1
+#define DNS323C_GPIO_POWER_OFF 2
+#define DNS323C_GPIO_LED_RIGHT_AMBER 8
+#define DNS323C_GPIO_LED_LEFT_AMBER 9
+#define DNS323C_GPIO_LED_POWER 17
+#define DNS323C_GPIO_FAN_BIT1 18
+#define DNS323C_GPIO_FAN_BIT0 19
+
+/* Exposed to userspace, do not change */
+enum {
+ DNS323_REV_A1, /* 0 */
+ DNS323_REV_B1, /* 1 */
+ DNS323_REV_C1, /* 2 */
+};
+
+/****************************************************************************
+ * PCI setup
+ */
+
+static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ int irq;
+
+ /*
+ * Check for devices with hard-wired IRQs.
+ */
+ irq = orion5x_pci_map_irq(dev, slot, pin);
+ if (irq != -1)
+ return irq;
+
+ return -1;
+}
+
+static struct hw_pci dns323_pci __initdata = {
+ .nr_controllers = 2,
+ .setup = orion5x_pci_sys_setup,
+ .scan = orion5x_pci_sys_scan_bus,
+ .map_irq = dns323_pci_map_irq,
+};
+
+static int __init dns323_pci_init(void)
+{
+ /* Rev B1 and C1 doesn't really use its PCI bus, and
+ * initialising PCI gets in the way of initialising the SATA
+ * controller.
+ */
+ if (of_machine_is_compatible("dlink,dns323a1"))
+ pci_common_init(&dns323_pci);
+
+ return 0;
+}
+subsys_initcall(dns323_pci_init);
+
+/****************************************************************************
+ * Fix-ups
+ */
+
+static int dns323c_phy_fixup(struct phy_device *phy)
+{
+ phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS;
+
+ return 0;
+}
+
+void __init dns323_init(void)
+{
+ if (of_machine_is_compatible("dlink,dns323a1")) {
+ writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
+ } else if (of_machine_is_compatible("dlink,dns323c1") &&
+ IS_BUILTIN(CONFIG_PHYLIB)) {
+ /* Register fixup for the PHY LEDs */
+ phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
+ MARVELL_PHY_ID_MASK,
+ dns323c_phy_fixup);
+
+ /* Now, -this- should theorically be done by the sata_mv driver
+ * once I figure out what's going on there. Maybe the behaviour
+ * of the LEDs should be somewhat passed via the platform_data.
+ * for now, just whack the register and make the LEDs happy
+ *
+ * Note: AFAIK, rev B1 needs the same treatement but I'll let
+ * somebody else test it.
+ */
+ writel(0x5, ORION5X_SATA_VIRT_BASE + 0x2c);
+ }
+}
diff --git a/arch/arm/mach-orion5x/board-dt.c b/arch/arm/mach-orion5x/board-dt.c
index 3d36f1d95196..279194483fcf 100644
--- a/arch/arm/mach-orion5x/board-dt.c
+++ b/arch/arm/mach-orion5x/board-dt.c
@@ -60,6 +60,9 @@ static void __init orion5x_dt_init(void)
cpu_idle_poll_ctrl(true);
}
+ if (of_machine_is_compatible("dlink,dns323"))
+ dns323_init();
+
if (of_machine_is_compatible("maxtor,shared-storage-2"))
mss2_init();
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index eb96009e21c4..ac92b67bf9ec 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -75,6 +75,12 @@ extern void mss2_init(void);
static inline void mss2_init(void) {}
#endif
+#ifdef CONFIG_MACH_DNS323_DT
+extern void dns323_init(void);
+#else
+static inline void dns323_init(void) {}
+#endif
+
/*****************************************************************************
* Helpers to access Orion registers
****************************************************************************/
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
deleted file mode 100644
index 87cb47220e82..000000000000
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ /dev/null
@@ -1,724 +0,0 @@
-/*
- * arch/arm/mach-orion5x/dns323-setup.c
- *
- * Copyright (C) 2007 Herbert Valerio Riedel <hvr@xxxxxxx>
- *
- * Support for HW Rev C1:
- *
- * Copyright (C) 2010 Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- */
-#include <linux/gpio.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-#include <linux/pci.h>
-#include <linux/irq.h>
-#include <linux/mtd/physmap.h>
-#include <linux/mv643xx_eth.h>
-#include <linux/leds.h>
-#include <linux/gpio_keys.h>
-#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/ata_platform.h>
-#include <linux/phy.h>
-#include <linux/marvell_phy.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/pci.h>
-#include <asm/system_info.h>
-#include <plat/orion-gpio.h>
-#include "orion5x.h"
-#include "common.h"
-#include "mpp.h"
-
-/* Rev A1 and B1 */
-#define DNS323_GPIO_LED_RIGHT_AMBER 1
-#define DNS323_GPIO_LED_LEFT_AMBER 2
-#define DNS323_GPIO_SYSTEM_UP 3
-#define DNS323_GPIO_LED_POWER1 4
-#define DNS323_GPIO_LED_POWER2 5
-#define DNS323_GPIO_OVERTEMP 6
-#define DNS323_GPIO_RTC 7
-#define DNS323_GPIO_POWER_OFF 8
-#define DNS323_GPIO_KEY_POWER 9
-#define DNS323_GPIO_KEY_RESET 10
-
-/* Rev C1 */
-#define DNS323C_GPIO_KEY_POWER 1
-#define DNS323C_GPIO_POWER_OFF 2
-#define DNS323C_GPIO_LED_RIGHT_AMBER 8
-#define DNS323C_GPIO_LED_LEFT_AMBER 9
-#define DNS323C_GPIO_LED_POWER 17
-#define DNS323C_GPIO_FAN_BIT1 18
-#define DNS323C_GPIO_FAN_BIT0 19
-
-/* Exposed to userspace, do not change */
-enum {
- DNS323_REV_A1, /* 0 */
- DNS323_REV_B1, /* 1 */
- DNS323_REV_C1, /* 2 */
-};
-
-
-/****************************************************************************
- * PCI setup
- */
-
-static int __init dns323_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
- int irq;
-
- /*
- * Check for devices with hard-wired IRQs.
- */
- irq = orion5x_pci_map_irq(dev, slot, pin);
- if (irq != -1)
- return irq;
-
- return -1;
-}
-
-static struct hw_pci dns323_pci __initdata = {
- .nr_controllers = 2,
- .setup = orion5x_pci_sys_setup,
- .scan = orion5x_pci_sys_scan_bus,
- .map_irq = dns323_pci_map_irq,
-};
-
-static int __init dns323_pci_init(void)
-{
- /* Rev B1 and C1 doesn't really use its PCI bus, and initialising PCI
- * gets in the way of initialising the SATA controller.
- */
- if (machine_is_dns323() && system_rev == DNS323_REV_A1)
- pci_common_init(&dns323_pci);
-
- return 0;
-}
-
-subsys_initcall(dns323_pci_init);
-
-/****************************************************************************
- * 8MiB NOR flash (Spansion S29GL064M90TFIR4)
- *
- * Layout as used by D-Link:
- * 0x00000000-0x00010000 : "MTD1"
- * 0x00010000-0x00020000 : "MTD2"
- * 0x00020000-0x001a0000 : "Linux Kernel"
- * 0x001a0000-0x007d0000 : "File System"
- * 0x007d0000-0x00800000 : "u-boot"
- */
-
-#define DNS323_NOR_BOOT_BASE 0xf4000000
-#define DNS323_NOR_BOOT_SIZE SZ_8M
-
-static struct mtd_partition dns323_partitions[] = {
- {
- .name = "MTD1",
- .size = 0x00010000,
- .offset = 0,
- }, {
- .name = "MTD2",
- .size = 0x00010000,
- .offset = 0x00010000,
- }, {
- .name = "Linux Kernel",
- .size = 0x00180000,
- .offset = 0x00020000,
- }, {
- .name = "File System",
- .size = 0x00630000,
- .offset = 0x001A0000,
- }, {
- .name = "u-boot",
- .size = 0x00030000,
- .offset = 0x007d0000,
- },
-};
-
-static struct physmap_flash_data dns323_nor_flash_data = {
- .width = 1,
- .parts = dns323_partitions,
- .nr_parts = ARRAY_SIZE(dns323_partitions)
-};
-
-static struct resource dns323_nor_flash_resource = {
- .flags = IORESOURCE_MEM,
- .start = DNS323_NOR_BOOT_BASE,
- .end = DNS323_NOR_BOOT_BASE + DNS323_NOR_BOOT_SIZE - 1,
-};
-
-static struct platform_device dns323_nor_flash = {
- .name = "physmap-flash",
- .id = 0,
- .dev = {
- .platform_data = &dns323_nor_flash_data,
- },
- .resource = &dns323_nor_flash_resource,
- .num_resources = 1,
-};
-
-/****************************************************************************
- * Ethernet
- */
-
-static struct mv643xx_eth_platform_data dns323_eth_data = {
- .phy_addr = MV643XX_ETH_PHY_ADDR(8),
-};
-
-/* dns323_parse_hex_*() taken from tsx09-common.c; should a common copy of these
- * functions be kept somewhere?
- */
-static int __init dns323_parse_hex_nibble(char n)
-{
- if (n >= '0' && n <= '9')
- return n - '0';
-
- if (n >= 'A' && n <= 'F')
- return n - 'A' + 10;
-
- if (n >= 'a' && n <= 'f')
- return n - 'a' + 10;
-
- return -1;
-}
-
-static int __init dns323_parse_hex_byte(const char *b)
-{
- int hi;
- int lo;
-
- hi = dns323_parse_hex_nibble(b[0]);
- lo = dns323_parse_hex_nibble(b[1]);
-
- if (hi < 0 || lo < 0)
- return -1;
-
- return (hi << 4) | lo;
-}
-
-static int __init dns323_read_mac_addr(void)
-{
- u_int8_t addr[6];
- int i;
- char *mac_page;
-
- /* MAC address is stored as a regular ol' string in /dev/mtdblock4
- * (0x007d0000-0x00800000) starting at offset 196480 (0x2ff80).
- */
- mac_page = ioremap(DNS323_NOR_BOOT_BASE + 0x7d0000 + 196480, 1024);
- if (!mac_page)
- return -ENOMEM;
-
- /* Sanity check the string we're looking at */
- for (i = 0; i < 5; i++) {
- if (*(mac_page + (i * 3) + 2) != ':') {
- goto error_fail;
- }
- }
-
- for (i = 0; i < 6; i++) {
- int byte;
-
- byte = dns323_parse_hex_byte(mac_page + (i * 3));
- if (byte < 0) {
- goto error_fail;
- }
-
- addr[i] = byte;
- }
-
- iounmap(mac_page);
- printk("DNS-323: Found ethernet MAC address: %pM\n", addr);
-
- memcpy(dns323_eth_data.mac_addr, addr, 6);
-
- return 0;
-
-error_fail:
- iounmap(mac_page);
- return -EINVAL;
-}
-
-/****************************************************************************
- * GPIO LEDs (simple - doesn't use hardware blinking support)
- */
-
-static struct gpio_led dns323ab_leds[] = {
- {
- .name = "power:blue",
- .gpio = DNS323_GPIO_LED_POWER2,
- .default_trigger = "default-on",
- }, {
- .name = "right:amber",
- .gpio = DNS323_GPIO_LED_RIGHT_AMBER,
- .active_low = 1,
- }, {
- .name = "left:amber",
- .gpio = DNS323_GPIO_LED_LEFT_AMBER,
- .active_low = 1,
- },
-};
-
-
-static struct gpio_led dns323c_leds[] = {
- {
- .name = "power:blue",
- .gpio = DNS323C_GPIO_LED_POWER,
- .default_trigger = "timer",
- .active_low = 1,
- }, {
- .name = "right:amber",
- .gpio = DNS323C_GPIO_LED_RIGHT_AMBER,
- .active_low = 1,
- }, {
- .name = "left:amber",
- .gpio = DNS323C_GPIO_LED_LEFT_AMBER,
- .active_low = 1,
- },
-};
-
-
-static struct gpio_led_platform_data dns323ab_led_data = {
- .num_leds = ARRAY_SIZE(dns323ab_leds),
- .leds = dns323ab_leds,
- .gpio_blink_set = orion_gpio_led_blink_set,
-};
-
-static struct gpio_led_platform_data dns323c_led_data = {
- .num_leds = ARRAY_SIZE(dns323c_leds),
- .leds = dns323c_leds,
- .gpio_blink_set = orion_gpio_led_blink_set,
-};
-
-static struct platform_device dns323_gpio_leds = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &dns323ab_led_data,
- },
-};
-
-/****************************************************************************
- * GPIO Attached Keys
- */
-
-static struct gpio_keys_button dns323ab_buttons[] = {
- {
- .code = KEY_RESTART,
- .gpio = DNS323_GPIO_KEY_RESET,
- .desc = "Reset Button",
- .active_low = 1,
- }, {
- .code = KEY_POWER,
- .gpio = DNS323_GPIO_KEY_POWER,
- .desc = "Power Button",
- .active_low = 1,
- },
-};
-
-static struct gpio_keys_platform_data dns323ab_button_data = {
- .buttons = dns323ab_buttons,
- .nbuttons = ARRAY_SIZE(dns323ab_buttons),
-};
-
-static struct gpio_keys_button dns323c_buttons[] = {
- {
- .code = KEY_POWER,
- .gpio = DNS323C_GPIO_KEY_POWER,
- .desc = "Power Button",
- .active_low = 1,
- },
-};
-
-static struct gpio_keys_platform_data dns323c_button_data = {
- .buttons = dns323c_buttons,
- .nbuttons = ARRAY_SIZE(dns323c_buttons),
-};
-
-static struct platform_device dns323_button_device = {
- .name = "gpio-keys",
- .id = -1,
- .num_resources = 0,
- .dev = {
- .platform_data = &dns323ab_button_data,
- },
-};
-
-/*****************************************************************************
- * SATA
- */
-static struct mv_sata_platform_data dns323_sata_data = {
- .n_ports = 2,
-};
-
-/****************************************************************************
- * General Setup
- */
-static unsigned int dns323a_mpp_modes[] __initdata = {
- MPP0_PCIE_RST_OUTn,
- MPP1_GPIO, /* right amber LED (sata ch0) */
- MPP2_GPIO, /* left amber LED (sata ch1) */
- MPP3_UNUSED,
- MPP4_GPIO, /* power button LED */
- MPP5_GPIO, /* power button LED */
- MPP6_GPIO, /* GMT G751-2f overtemp */
- MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
- MPP8_GPIO, /* triggers power off */
- MPP9_GPIO, /* power button switch */
- MPP10_GPIO, /* reset button switch */
- MPP11_UNUSED,
- MPP12_UNUSED,
- MPP13_UNUSED,
- MPP14_UNUSED,
- MPP15_UNUSED,
- MPP16_UNUSED,
- MPP17_UNUSED,
- MPP18_UNUSED,
- MPP19_UNUSED,
- 0,
-};
-
-static unsigned int dns323b_mpp_modes[] __initdata = {
- MPP0_UNUSED,
- MPP1_GPIO, /* right amber LED (sata ch0) */
- MPP2_GPIO, /* left amber LED (sata ch1) */
- MPP3_GPIO, /* system up flag */
- MPP4_GPIO, /* power button LED */
- MPP5_GPIO, /* power button LED */
- MPP6_GPIO, /* GMT G751-2f overtemp */
- MPP7_GPIO, /* M41T80 nIRQ/OUT/SQW */
- MPP8_GPIO, /* triggers power off */
- MPP9_GPIO, /* power button switch */
- MPP10_GPIO, /* reset button switch */
- MPP11_UNUSED,
- MPP12_SATA_LED,
- MPP13_SATA_LED,
- MPP14_SATA_LED,
- MPP15_SATA_LED,
- MPP16_UNUSED,
- MPP17_UNUSED,
- MPP18_UNUSED,
- MPP19_UNUSED,
- 0,
-};
-
-static unsigned int dns323c_mpp_modes[] __initdata = {
- MPP0_GPIO, /* ? input */
- MPP1_GPIO, /* input power switch (0 = pressed) */
- MPP2_GPIO, /* output power off */
- MPP3_UNUSED, /* ? output */
- MPP4_UNUSED, /* ? output */
- MPP5_UNUSED, /* ? output */
- MPP6_UNUSED, /* ? output */
- MPP7_UNUSED, /* ? output */
- MPP8_GPIO, /* i/o right amber LED */
- MPP9_GPIO, /* i/o left amber LED */
- MPP10_GPIO, /* input */
- MPP11_UNUSED,
- MPP12_SATA_LED,
- MPP13_SATA_LED,
- MPP14_SATA_LED,
- MPP15_SATA_LED,
- MPP16_UNUSED,
- MPP17_GPIO, /* power button LED */
- MPP18_GPIO, /* fan speed bit 0 */
- MPP19_GPIO, /* fan speed bit 1 */
- 0,
-};
-
-/* Rev C1 Fan speed notes:
- *
- * The fan is controlled by 2 GPIOs on this board. The settings
- * of the bits is as follow:
- *
- * GPIO 18 GPIO 19 Fan
- *
- * 0 0 stopped
- * 0 1 low speed
- * 1 0 high speed
- * 1 1 don't do that (*)
- *
- * (*) I think the two bits control two feed-in resistors into a fixed
- * PWN circuit, setting both bits will basically go a 'bit' faster
- * than high speed, but d-link doesn't do it and you may get out of
- * HW spec so don't do it.
- */
-
-/*
- * On the DNS-323 A1 and B1 the following devices are attached via I2C:
- *
- * i2c addr | chip | description
- * 0x3e | GMT G760Af | fan speed PWM controller
- * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
- * 0x68 | ST M41T80 | RTC w/ alarm
- */
-static struct i2c_board_info __initdata dns323ab_i2c_devices[] = {
- {
- I2C_BOARD_INFO("g760a", 0x3e),
- }, {
- I2C_BOARD_INFO("lm75", 0x48),
- }, {
- I2C_BOARD_INFO("m41t80", 0x68),
- },
-};
-
-/*
- * On the DNS-323 C1 the following devices are attached via I2C:
- *
- * i2c addr | chip | description
- * 0x48 | GMT G751-2f | temp. sensor and therm. watchdog (LM75 compatible)
- * 0x68 | ST M41T80 | RTC w/ alarm
- */
-static struct i2c_board_info __initdata dns323c_i2c_devices[] = {
- {
- I2C_BOARD_INFO("lm75", 0x48),
- }, {
- I2C_BOARD_INFO("m41t80", 0x68),
- },
-};
-
-/* DNS-323 rev. A specific power off method */
-static void dns323a_power_off(void)
-{
- pr_info("DNS-323: Triggering power-off...\n");
- gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
-}
-
-/* DNS-323 rev B specific power off method */
-static void dns323b_power_off(void)
-{
- pr_info("DNS-323: Triggering power-off...\n");
- /* Pin has to be changed to 1 and back to 0 to do actual power off. */
- gpio_set_value(DNS323_GPIO_POWER_OFF, 1);
- mdelay(100);
- gpio_set_value(DNS323_GPIO_POWER_OFF, 0);
-}
-
-/* DNS-323 rev. C specific power off method */
-static void dns323c_power_off(void)
-{
- pr_info("DNS-323: Triggering power-off...\n");
- gpio_set_value(DNS323C_GPIO_POWER_OFF, 1);
-}
-
-static int dns323c_phy_fixup(struct phy_device *phy)
-{
- phy->dev_flags |= MARVELL_PHY_M1118_DNS323_LEDS;
-
- return 0;
-}
-
-static int __init dns323_identify_rev(void)
-{
- u32 dev, rev, i, reg;
-
- pr_debug("DNS-323: Identifying board ... \n");
-
- /* Rev A1 has a 5181 */
- orion5x_pcie_id(&dev, &rev);
- if (dev == MV88F5181_DEV_ID) {
- pr_debug("DNS-323: 5181 found, board is A1\n");
- return DNS323_REV_A1;
- }
- pr_debug("DNS-323: 5182 found, board is B1 or C1, checking PHY...\n");
-
- /* Rev B1 and C1 both have 5182, let's poke at the eth PHY. This is
- * a bit gross but we want to do that without links into the eth
- * driver so let's poke at it directly. We default to rev B1 in
- * case the accesses fail
- */
-
-#define ETH_SMI_REG (ORION5X_ETH_VIRT_BASE + 0x2000 + 0x004)
-#define SMI_BUSY 0x10000000
-#define SMI_READ_VALID 0x08000000
-#define SMI_OPCODE_READ 0x04000000
-#define SMI_OPCODE_WRITE 0x00000000
-
- for (i = 0; i < 1000; i++) {
- reg = readl(ETH_SMI_REG);
- if (!(reg & SMI_BUSY))
- break;
- }
- if (i >= 1000) {
- pr_warn("DNS-323: Timeout accessing PHY, assuming rev B1\n");
- return DNS323_REV_B1;
- }
- writel((3 << 21) /* phy ID reg */ |
- (8 << 16) /* phy addr */ |
- SMI_OPCODE_READ, ETH_SMI_REG);
- for (i = 0; i < 1000; i++) {
- reg = readl(ETH_SMI_REG);
- if (reg & SMI_READ_VALID)
- break;
- }
- if (i >= 1000) {
- pr_warn("DNS-323: Timeout reading PHY, assuming rev B1\n");
- return DNS323_REV_B1;
- }
- pr_debug("DNS-323: Ethernet PHY ID 0x%x\n", reg & 0xffff);
-
- /* Note: the Marvell tools mask the ID with 0x3f0 before comparison
- * but I don't see that making a difference here, at least with
- * any known Marvell PHY ID
- */
- switch(reg & 0xfff0) {
- case 0x0cc0: /* MV88E1111 */
- return DNS323_REV_B1;
- case 0x0e10: /* MV88E1118 */
- return DNS323_REV_C1;
- default:
- pr_warn("DNS-323: Unknown PHY ID 0x%04x, assuming rev B1\n",
- reg & 0xffff);
- }
- return DNS323_REV_B1;
-}
-
-static void __init dns323_init(void)
-{
- /* Setup basic Orion functions. Need to be called early. */
- orion5x_init();
-
- /* Identify revision */
- system_rev = dns323_identify_rev();
- pr_info("DNS-323: Identified HW revision %c1\n", 'A' + system_rev);
-
- /* Just to be tricky, the 5182 has a completely different
- * set of MPP modes to the 5181.
- */
- switch(system_rev) {
- case DNS323_REV_A1:
- orion5x_mpp_conf(dns323a_mpp_modes);
- writel(0, MPP_DEV_CTRL); /* DEV_D[31:16] */
- break;
- case DNS323_REV_B1:
- orion5x_mpp_conf(dns323b_mpp_modes);
- break;
- case DNS323_REV_C1:
- orion5x_mpp_conf(dns323c_mpp_modes);
- break;
- }
-
- /* setup flash mapping
- * CS3 holds a 8 MB Spansion S29GL064M90TFIR4
- */
- mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
- ORION_MBUS_DEVBUS_BOOT_ATTR,
- DNS323_NOR_BOOT_BASE,
- DNS323_NOR_BOOT_SIZE);
- platform_device_register(&dns323_nor_flash);
-
- /* Sort out LEDs, Buttons and i2c devices */
- switch(system_rev) {
- case DNS323_REV_A1:
- /* The 5181 power LED is active low and requires
- * DNS323_GPIO_LED_POWER1 to also be low.
- */
- dns323ab_leds[0].active_low = 1;
- gpio_request(DNS323_GPIO_LED_POWER1, "Power Led Enable");
- gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
- fallthrough;
- case DNS323_REV_B1:
- i2c_register_board_info(0, dns323ab_i2c_devices,
- ARRAY_SIZE(dns323ab_i2c_devices));
- break;
- case DNS323_REV_C1:
- /* Hookup LEDs & Buttons */
- dns323_gpio_leds.dev.platform_data = &dns323c_led_data;
- dns323_button_device.dev.platform_data = &dns323c_button_data;
-
- /* Hookup i2c devices and fan driver */
- i2c_register_board_info(0, dns323c_i2c_devices,
- ARRAY_SIZE(dns323c_i2c_devices));
- platform_device_register_simple("dns323c-fan", 0, NULL, 0);
-
- /* Register fixup for the PHY LEDs */
- if (!IS_BUILTIN(CONFIG_PHYLIB))
- break;
- phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1118,
- MARVELL_PHY_ID_MASK,
- dns323c_phy_fixup);
- }
-
- platform_device_register(&dns323_gpio_leds);
- platform_device_register(&dns323_button_device);
-
- /*
- * Configure peripherals.
- */
- if (dns323_read_mac_addr() < 0)
- printk("DNS-323: Failed to read MAC address\n");
- orion5x_ehci0_init();
- orion5x_eth_init(&dns323_eth_data);
- orion5x_i2c_init();
- orion5x_uart0_init();
-
- /* Remaining GPIOs */
- switch(system_rev) {
- case DNS323_REV_A1:
- /* Poweroff GPIO */
- if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
- gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
- pr_err("DNS-323: failed to setup power-off GPIO\n");
- pm_power_off = dns323a_power_off;
- break;
- case DNS323_REV_B1:
- /* 5182 built-in SATA init */
- orion5x_sata_init(&dns323_sata_data);
-
- /* The DNS323 rev B1 has flag to indicate the system is up.
- * Without this flag set, power LED will flash and cannot be
- * controlled via leds-gpio.
- */
- if (gpio_request(DNS323_GPIO_SYSTEM_UP, "SYS_READY") == 0)
- gpio_direction_output(DNS323_GPIO_SYSTEM_UP, 1);
-
- /* Poweroff GPIO */
- if (gpio_request(DNS323_GPIO_POWER_OFF, "POWEROFF") != 0 ||
- gpio_direction_output(DNS323_GPIO_POWER_OFF, 0) != 0)
- pr_err("DNS-323: failed to setup power-off GPIO\n");
- pm_power_off = dns323b_power_off;
- break;
- case DNS323_REV_C1:
- /* 5182 built-in SATA init */
- orion5x_sata_init(&dns323_sata_data);
-
- /* Poweroff GPIO */
- if (gpio_request(DNS323C_GPIO_POWER_OFF, "POWEROFF") != 0 ||
- gpio_direction_output(DNS323C_GPIO_POWER_OFF, 0) != 0)
- pr_err("DNS-323: failed to setup power-off GPIO\n");
- pm_power_off = dns323c_power_off;
-
- /* Now, -this- should theorically be done by the sata_mv driver
- * once I figure out what's going on there. Maybe the behaviour
- * of the LEDs should be somewhat passed via the platform_data.
- * for now, just whack the register and make the LEDs happy
- *
- * Note: AFAIK, rev B1 needs the same treatement but I'll let
- * somebody else test it.
- */
- writel(0x5, ORION5X_SATA_VIRT_BASE + 0x2c);
- break;
- }
-}
-
-/* Warning: D-Link uses a wrong mach-type (=526) in their bootloader */
-MACHINE_START(DNS323, "D-Link DNS-323")
- /* Maintainer: Herbert Valerio Riedel <hvr@xxxxxxx> */
- .atag_offset = 0x100,
- .nr_irqs = ORION5X_NR_IRQS,
- .init_machine = dns323_init,
- .map_io = orion5x_map_io,
- .init_early = orion5x_init_early,
- .init_irq = orion5x_init_irq,
- .init_time = orion5x_timer_init,
- .fixup = tag_fixup_mem32,
- .restart = orion5x_restart,
-MACHINE_END
--
2.25.1
