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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2016-10-04 21:13:05 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2016-10-07 10:18:19 +0200
commit81cabf127479e1bc8ce0cc294a19ce78d416c3ec (patch)
tree14be033dfe94d98b64a2089053d98b41f67c5864
parent8aed8106c2ec4d943f5549b44539c27c09367d1c (diff)
downloadbarebox-81cabf127479e1bc8ce0cc294a19ce78d416c3ec.tar.gz
barebox-81cabf127479e1bc8ce0cc294a19ce78d416c3ec.tar.xz
ARM: mvebu: add support for Netgear RN2120
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r--arch/arm/boards/Makefile1
-rw-r--r--arch/arm/boards/netgear-rn2120/Makefile2
-rw-r--r--arch/arm/boards/netgear-rn2120/board.c88
-rw-r--r--arch/arm/boards/netgear-rn2120/kwbimage.cfg7
-rw-r--r--arch/arm/boards/netgear-rn2120/lowlevel.c41
-rw-r--r--arch/arm/dts/Makefile1
-rw-r--r--arch/arm/dts/armada-xp-rn2120-bb.dts11
-rw-r--r--arch/arm/mach-mvebu/Kconfig4
-rw-r--r--images/Makefile.mvebu8
9 files changed, 163 insertions, 0 deletions
diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
index 23a8dbd7d..b911d0357 100644
--- a/arch/arm/boards/Makefile
+++ b/arch/arm/boards/Makefile
@@ -72,6 +72,7 @@ obj-$(CONFIG_MACH_MX28EVK) += freescale-mx28-evk/
obj-$(CONFIG_MACH_MX31MOBOARD) += mx31moboard/
obj-$(CONFIG_MACH_NESO) += guf-neso/
obj-$(CONFIG_MACH_NETGEAR_RN104) += netgear-rn104/
+obj-$(CONFIG_MACH_NETGEAR_RN2120) += netgear-rn2120/
obj-$(CONFIG_MACH_NOMADIK_8815NHK) += nhk8815/
obj-$(CONFIG_MACH_NVIDIA_BEAVER) += nvidia-beaver/
obj-$(CONFIG_MACH_NVIDIA_JETSON) += nvidia-jetson-tk1/
diff --git a/arch/arm/boards/netgear-rn2120/Makefile b/arch/arm/boards/netgear-rn2120/Makefile
new file mode 100644
index 000000000..01c7a259e
--- /dev/null
+++ b/arch/arm/boards/netgear-rn2120/Makefile
@@ -0,0 +1,2 @@
+obj-y += board.o
+lwl-y += lowlevel.o
diff --git a/arch/arm/boards/netgear-rn2120/board.c b/arch/arm/boards/netgear-rn2120/board.c
new file mode 100644
index 000000000..caf106af5
--- /dev/null
+++ b/arch/arm/boards/netgear-rn2120/board.c
@@ -0,0 +1,88 @@
+#include <clock.h>
+#include <init.h>
+#include <of.h>
+#include <gpio.h>
+#include <printk.h>
+#include <linux/kernel.h>
+#include <asm/armlinux.h>
+#include <generated/mach-types.h>
+
+static int rn2120_init(void)
+{
+ /*
+ * This is the machine type that the kernel shipped by Netgear is using.
+ * It's wrong but a given fact.
+ */
+ armlinux_set_architecture(MACH_TYPE_ARMADA_XP_DB);
+
+ return 0;
+}
+device_initcall(rn2120_init);
+
+struct hdpower {
+ unsigned gpio_detect;
+ unsigned gpio_power;
+ unsigned gpio_led;
+};
+
+/*
+ * It would be nice to have this abstracted in the device tree, but currently
+ * this isn't the case.
+ */
+static struct hdpower rn2120_hdpower[] = {
+ {
+ /* sata 1 */
+ .gpio_detect = 32,
+ .gpio_power = 24,
+ .gpio_led = 31,
+ }, {
+ /* sata 2 */
+ .gpio_detect = 33,
+ .gpio_power = 25,
+ .gpio_led = 40,
+ }, {
+ /* sata 3 */
+ .gpio_detect = 34,
+ .gpio_power = 26,
+ .gpio_led = 44,
+ }, {
+ /* sata 4 */
+ .gpio_detect = 35,
+ .gpio_power = 28,
+ .gpio_led = 47,
+ },
+};
+
+static int rn2120_hddetect(void)
+{
+ int i;
+
+ if (!of_machine_is_compatible("netgear,readynas-2120"))
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(rn2120_hdpower); ++i) {
+ int ret;
+ ret = gpio_direction_input(rn2120_hdpower[i].gpio_detect);
+ if (ret) {
+ pr_err("Failure to detect hd%d (%d)\n", i, ret);
+ continue;
+ }
+
+ ret = gpio_get_value(rn2120_hdpower[i].gpio_detect);
+ if (ret) {
+ /* no disk present */
+ gpio_direction_output(rn2120_hdpower[i].gpio_power, 0);
+ } else {
+ pr_info("Detected presence of disk #%d\n", i + 1);
+ /* make a pause after powering up 2 disks */
+ if (i && !(i & 1)) {
+ pr_info("Delay power up\n");
+ mdelay(7000);
+ }
+
+ gpio_direction_output(rn2120_hdpower[i].gpio_power, 1);
+ }
+ }
+ return 0;
+}
+device_initcall(rn2120_hddetect);
diff --git a/arch/arm/boards/netgear-rn2120/kwbimage.cfg b/arch/arm/boards/netgear-rn2120/kwbimage.cfg
new file mode 100644
index 000000000..a6f0aa6d3
--- /dev/null
+++ b/arch/arm/boards/netgear-rn2120/kwbimage.cfg
@@ -0,0 +1,7 @@
+VERSION 1
+BOOT_FROM nand
+DESTADDR 00000000
+EXECADDR 00000000
+NAND_BLKSZ 00020000
+NAND_BADBLK_LOCATION 01
+BINARY binary.0 0000005b 00000068
diff --git a/arch/arm/boards/netgear-rn2120/lowlevel.c b/arch/arm/boards/netgear-rn2120/lowlevel.c
new file mode 100644
index 000000000..29c8b43c4
--- /dev/null
+++ b/arch/arm/boards/netgear-rn2120/lowlevel.c
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2015 Pengutronix, Uwe Kleine-König <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/barebox-arm.h>
+#include <asm/barebox-arm-head.h>
+#include <asm/io.h>
+#include <mach/lowlevel.h>
+
+extern char __dtb_armada_xp_rn2120_bb_start[];
+
+ENTRY_FUNCTION(start_netgear_rn2120, r0, r1, r2)
+{
+ void *fdt;
+
+ arm_cpu_lowlevel_init();
+
+ /*
+ * This is necessary to allow the machine to draw more power. Probably
+ * connected to a TI TPS65251. Without this resetting a phy makes the
+ * SoC reset.
+ * This is effectively gpio_direction_output(42, 1);
+ */
+ writel((1 << 10) | readl((void *)0xd0018140), (void *)0xd0018140);
+ writel(~(1 << 10) & readl((void *)0xd0018144), (void *)0xd0018144);
+
+ fdt = __dtb_armada_xp_rn2120_bb_start -
+ get_runtime_offset();
+
+ mvebu_barebox_entry(fdt);
+}
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d1a3fe8ae..77f20d60d 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -29,6 +29,7 @@ pbl-dtb-$(CONFIG_MACH_GW_VENTANA) += imx6q-gw54xx.dtb.o
pbl-dtb-$(CONFIG_MACH_LENOVO_IX4_300D) += armada-xp-lenovo-ix4-300d-bb.dtb.o
pbl-dtb-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += armada-xp-gp-bb.dtb.o
pbl-dtb-$(CONFIG_MACH_NETGEAR_RN104) += armada-370-rn104-bb.dtb.o
+pbl-dtb-$(CONFIG_MACH_NETGEAR_RN2120) += armada-xp-rn2120-bb.dtb.o
pbl-dtb-$(CONFIG_MACH_NITROGEN6) += imx6q-nitrogen6x.dtb.o imx6dl-nitrogen6x.dtb.o imx6qp-nitrogen6_max.dtb.o
pbl-dtb-$(CONFIG_MACH_NVIDIA_BEAVER) += tegra30-beaver.dtb.o
pbl-dtb-$(CONFIG_MACH_NVIDIA_JETSON) += tegra124-jetson-tk1.dtb.o
diff --git a/arch/arm/dts/armada-xp-rn2120-bb.dts b/arch/arm/dts/armada-xp-rn2120-bb.dts
new file mode 100644
index 000000000..969136b33
--- /dev/null
+++ b/arch/arm/dts/armada-xp-rn2120-bb.dts
@@ -0,0 +1,11 @@
+/*
+ * Barebox specific DT overlay for Netgear ReadyNAS 2120
+ */
+
+#include "arm/armada-xp-netgear-rn2120.dts"
+
+/ {
+ chosen {
+ stdout-path = "/soc/internal-regs/serial@12000";
+ };
+};
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 79fcc8d3a..148b4f6d4 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -55,6 +55,10 @@ config MACH_MARVELL_ARMADA_XP_GP
bool "Marvell Armada XP GP"
select ARCH_ARMADA_XP
+config MACH_NETGEAR_RN2120
+ bool "Netgear ReadyNAS 2120"
+ select ARCH_ARMADA_XP
+
config MACH_PLATHOME_OPENBLOCKS_AX3
bool "PlatHome OpenBlocks AX3"
select ARCH_ARMADA_XP
diff --git a/images/Makefile.mvebu b/images/Makefile.mvebu
index c925afd4a..b57291cba 100644
--- a/images/Makefile.mvebu
+++ b/images/Makefile.mvebu
@@ -43,6 +43,14 @@ pblx-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += start_marvell_armada_xp_gp
image-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += barebox-marvell-armada-xp-gp.img
image-$(CONFIG_MACH_MARVELL_ARMADA_XP_GP) += barebox-marvell-armada-xp-gp-2nd.img
+NETGEAR_RN2120_KWBOPTS = ${KWBOPTS} -i $(board)/netgear-rn2120/kwbimage.cfg
+OPTS_start_netgear_rn2120.pblx.kwbimg = $(NETGEAR_RN2120_KWBOPTS)
+FILE_barebox-netgear-rn2120.img = start_netgear_rn2120.pblx.kwbimg
+FILE_barebox-netgear-rn2120-2nd.img = start_netgear_rn2120.pblx
+pblx-$(CONFIG_MACH_NETGEAR_RN2120) += start_netgear_rn2120
+image-$(CONFIG_MACH_NETGEAR_RN2120) += barebox-netgear-rn2120.img
+image-$(CONFIG_MACH_NETGEAR_RN2120) += barebox-netgear-rn2120-2nd.img
+
PLATHOME_OPENBLOCKS_AX3_KWBOPTS = ${KWBOPTS} -i $(board)/plathome-openblocks-ax3/kwbimage.cfg
OPTS_start_plathome_openblocks_ax3.pblx.kwbimg = $(PLATHOME_OPENBLOCKS_AX3_KWBOPTS)
FILE_barebox-plathome-openblocks-ax3.img = start_plathome_openblocks_ax3.pblx.kwbimg