* [PATCH 2/3] ARM: bcm21664: Add board support.
2014-02-27 21:56 [PATCH 0/3] ARM: bcm21664: Add initial support Markus Mayer
2014-02-27 21:56 ` [PATCH 1/3] ARM: DT: bcm21664: Device tree bindings Markus Mayer
@ 2014-02-27 21:56 ` Markus Mayer
2014-02-27 21:56 ` [PATCH 3/3] ARM: dts: bcm21664: Add device tree files Markus Mayer
2 siblings, 0 replies; 4+ messages in thread
From: Markus Mayer @ 2014-02-27 21:56 UTC (permalink / raw)
To: linux-arm-kernel
Add support for the Broadcom BCM21664 mobile SoC. It has two Cortex-A9
cores like the BCM281xx family of chips. BCM21664 and BCM281xx share
many IP blocks in addition to the ARM cores.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
---
arch/arm/mach-bcm/Makefile | 6 ++-
arch/arm/mach-bcm/board_bcm21664.c | 78 ++++++++++++++++++++++++++++++++++++
2 files changed, 82 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/mach-bcm/board_bcm21664.c
diff --git a/arch/arm/mach-bcm/Makefile b/arch/arm/mach-bcm/Makefile
index c2ccd5a..0e2e52e 100644
--- a/arch/arm/mach-bcm/Makefile
+++ b/arch/arm/mach-bcm/Makefile
@@ -1,5 +1,5 @@
#
-# Copyright (C) 2012-2013 Broadcom Corporation
+# Copyright (C) 2012-2014 Broadcom Corporation
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
@@ -10,6 +10,8 @@
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
-obj-$(CONFIG_ARCH_BCM_MOBILE) := board_bcm281xx.o bcm_kona_smc.o bcm_kona_smc_asm.o kona.o
+obj-$(CONFIG_ARCH_BCM_MOBILE) := board_bcm281xx.o board_bcm21664.o \
+ bcm_kona_smc.o bcm_kona_smc_asm.o kona.o
+
plus_sec := $(call as-instr,.arch_extension sec,+sec)
AFLAGS_bcm_kona_smc_asm.o :=-Wa,-march=armv7-a$(plus_sec)
diff --git a/arch/arm/mach-bcm/board_bcm21664.c b/arch/arm/mach-bcm/board_bcm21664.c
new file mode 100644
index 0000000..d3ef7e5
--- /dev/null
+++ b/arch/arm/mach-bcm/board_bcm21664.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2014 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clocksource.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+
+#include <asm/mach/arch.h>
+
+#include "bcm_kona_smc.h"
+#include "kona.h"
+
+#define RSTMGR_DT_STRING "brcm,bcm21664-resetmgr"
+
+#define RSTMGR_REG_WR_ACCESS_OFFSET 0
+#define RSTMGR_REG_CHIP_SOFT_RST_OFFSET 4
+
+#define RSTMGR_WR_PASSWORD 0xa5a5
+#define RSTMGR_WR_PASSWORD_SHIFT 8
+#define RSTMGR_WR_ACCESS_ENABLE 1
+
+static void bcm21644_restart(enum reboot_mode mode, const char *cmd)
+{
+ void __iomem *base;
+ struct device_node *resetmgr;
+
+ resetmgr = of_find_compatible_node(NULL, NULL, RSTMGR_DT_STRING);
+ if (!resetmgr) {
+ pr_emerg("Couldn't find " RSTMGR_DT_STRING "\n");
+ return;
+ }
+ base = of_iomap(resetmgr, 0);
+ if (!base) {
+ pr_emerg("Couldn't map " RSTMGR_DT_STRING "\n");
+ return;
+ }
+
+ /*
+ * A soft reset is triggered by writing a 0 to bit 0 of the soft reset
+ * register. To write to that register we must first write the password
+ * and the enable bit in the write access enable register.
+ */
+ writel((RSTMGR_WR_PASSWORD << RSTMGR_WR_PASSWORD_SHIFT) |
+ RSTMGR_WR_ACCESS_ENABLE,
+ base + RSTMGR_REG_WR_ACCESS_OFFSET);
+ writel(0, base + RSTMGR_REG_CHIP_SOFT_RST_OFFSET);
+
+ /* Wait for reset */
+ while (1);
+}
+
+static void __init bcm21644_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL,
+ &platform_bus);
+ kona_l2_cache_init();
+}
+
+static const char * const bcm21664_dt_compat[] = {
+ "brcm,bcm21664",
+ NULL,
+};
+
+DT_MACHINE_START(BCM21664_DT, "BCM21664 Broadcom Application Processor")
+ .init_machine = bcm21644_init,
+ .restart = bcm21644_restart,
+ .dt_compat = bcm21664_dt_compat,
+MACHINE_END
--
1.7.9.5
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 3/3] ARM: dts: bcm21664: Add device tree files.
2014-02-27 21:56 [PATCH 0/3] ARM: bcm21664: Add initial support Markus Mayer
2014-02-27 21:56 ` [PATCH 1/3] ARM: DT: bcm21664: Device tree bindings Markus Mayer
2014-02-27 21:56 ` [PATCH 2/3] ARM: bcm21664: Add board support Markus Mayer
@ 2014-02-27 21:56 ` Markus Mayer
2 siblings, 0 replies; 4+ messages in thread
From: Markus Mayer @ 2014-02-27 21:56 UTC (permalink / raw)
To: linux-arm-kernel
Add device tree files for the Broadcom BCM21664 SoC.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
---
arch/arm/boot/dts/Makefile | 3 +-
arch/arm/boot/dts/bcm21664-garnet.dts | 56 +++++++
arch/arm/boot/dts/bcm21664.dtsi | 292 +++++++++++++++++++++++++++++++++
3 files changed, 350 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/boot/dts/bcm21664-garnet.dts
create mode 100644 arch/arm/boot/dts/bcm21664.dtsi
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 0320303..0c1853a 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -48,7 +48,8 @@ dtb-$(CONFIG_ARCH_AT91) += sama5d36ek.dtb
dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
dtb-$(CONFIG_ARCH_BCM_MOBILE) += bcm11351-brt.dtb \
- bcm28155-ap.dtb
+ bcm28155-ap.dtb \
+ bcm21664-garnet.dtb
dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
dtb-$(CONFIG_ARCH_BERLIN) += \
berlin2-sony-nsz-gs7.dtb \
diff --git a/arch/arm/boot/dts/bcm21664-garnet.dts b/arch/arm/boot/dts/bcm21664-garnet.dts
new file mode 100644
index 0000000..e87cb26
--- /dev/null
+++ b/arch/arm/boot/dts/bcm21664-garnet.dts
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2014 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+#include "bcm21664.dtsi"
+
+/ {
+ model = "BCM21664 Garnet board";
+ compatible = "brcm,bcm21664-garnet", "brcm,bcm21664";
+
+ memory {
+ reg = <0x80000000 0x40000000>; /* 1 GB */
+ };
+
+ uart at 3e000000 {
+ status = "okay";
+ };
+
+ sdio1: sdio at 3f180000 {
+ max-frequency = <48000000>;
+ status = "okay";
+ };
+
+ sdio2: sdio at 3f190000 {
+ non-removable;
+ max-frequency = <48000000>;
+ status = "okay";
+ };
+
+ sdio4: sdio at 3f1b0000 {
+ max-frequency = <48000000>;
+ cd-gpios = <&gpio 91 GPIO_ACTIVE_LOW>;
+ status = "okay";
+ };
+
+ usbotg: usb at 3f120000 {
+ status = "okay";
+ };
+
+ usbphy: usb-phy at 3f130000 {
+ status = "okay";
+ };
+};
diff --git a/arch/arm/boot/dts/bcm21664.dtsi b/arch/arm/boot/dts/bcm21664.dtsi
new file mode 100644
index 0000000..08a44d4
--- /dev/null
+++ b/arch/arm/boot/dts/bcm21664.dtsi
@@ -0,0 +1,292 @@
+/*
+ * Copyright (C) 2014 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "skeleton.dtsi"
+
+/ {
+ model = "BCM21664 SoC";
+ compatible = "brcm,bcm21664";
+ interrupt-parent = <&gic>;
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8";
+ };
+
+ gic: interrupt-controller at 3ff00100 {
+ compatible = "arm,cortex-a9-gic";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x3ff01000 0x1000>,
+ <0x3ff00100 0x100>;
+ };
+
+ smc at 0x3404e000 {
+ compatible = "brcm,bcm21664-smc", "brcm,kona-smc";
+ reg = <0x3404e000 0x400>; /* 1 KiB in SRAM */
+ };
+
+ uart at 3e000000 {
+ compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
+ status = "disabled";
+ reg = <0x3e000000 0x118>;
+ clocks = <&uartb_clk>;
+ interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ };
+
+ uart at 3e001000 {
+ compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
+ status = "disabled";
+ reg = <0x3e001000 0x118>;
+ clocks = <&uartb2_clk>;
+ interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ };
+
+ uart at 3e002000 {
+ compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
+ status = "disabled";
+ reg = <0x3e002000 0x118>;
+ clocks = <&uartb3_clk>;
+ interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ };
+
+ L2: l2-cache {
+ compatible = "arm,pl310-cache";
+ reg = <0x3ff20000 0x1000>;
+ cache-unified;
+ cache-level = <2>;
+ };
+
+ brcm,resetmgr at 35001f00 {
+ compatible = "brcm,bcm21664-resetmgr";
+ reg = <0x35001f00 0x24>;
+ };
+
+ timer at 35006000 {
+ compatible = "brcm,kona-timer";
+ reg = <0x35006000 0x1c>;
+ interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&hub_timer_clk>;
+ };
+
+ gpio: gpio at 35003000 {
+ compatible = "brcm,bcm21664-gpio", "brcm,kona-gpio";
+ reg = <0x35003000 0x524>;
+ interrupts =
+ <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH
+ GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
+ #gpio-cells = <2>;
+ #interrupt-cells = <2>;
+ gpio-controller;
+ interrupt-controller;
+ };
+
+ sdio1: sdio at 3f180000 {
+ compatible = "brcm,kona-sdhci";
+ reg = <0x3f180000 0x801c>;
+ interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sdio1_clk>;
+ status = "disabled";
+ };
+
+ sdio2: sdio at 3f190000 {
+ compatible = "brcm,kona-sdhci";
+ reg = <0x3f190000 0x801c>;
+ interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sdio2_clk>;
+ status = "disabled";
+ };
+
+ sdio3: sdio at 3f1a0000 {
+ compatible = "brcm,kona-sdhci";
+ reg = <0x3f1a0000 0x801c>;
+ interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sdio3_clk>;
+ status = "disabled";
+ };
+
+ sdio4: sdio at 3f1b0000 {
+ compatible = "brcm,kona-sdhci";
+ reg = <0x3f1b0000 0x801c>;
+ interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&sdio4_clk>;
+ status = "disabled";
+ };
+
+ i2c at 3e016000 {
+ compatible = "brcm,bcm21664-i2c", "brcm,kona-i2c";
+ reg = <0x3e016000 0x70>;
+ interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&bsc1_clk>;
+ status = "disabled";
+ };
+
+ i2c at 3e017000 {
+ compatible = "brcm,bcm21664-i2c", "brcm,kona-i2c";
+ reg = <0x3e017000 0x70>;
+ interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&bsc2_clk>;
+ status = "disabled";
+ };
+
+ i2c at 3e018000 {
+ compatible = "brcm,bcm21664-i2c", "brcm,kona-i2c";
+ reg = <0x3e018000 0x70>;
+ interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&bsc3_clk>;
+ status = "disabled";
+ };
+
+ i2c at 3e01c000 {
+ compatible = "brcm,bcm21664-i2c", "brcm,kona-i2c";
+ reg = <0x3e01c000 0x70>;
+ interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&bsc4_clk>;
+ status = "disabled";
+ };
+
+ clocks {
+ bsc1_clk: bsc1 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ bsc2_clk: bsc2 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ bsc3_clk: bsc3 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ bsc4_clk: bsc4 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ pmu_bsc_clk: pmu_bsc {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ hub_timer_clk: hub_timer {
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ #clock-cells = <0>;
+ };
+
+ pwm_clk: pwm {
+ compatible = "fixed-clock";
+ clock-frequency = <26000000>;
+ #clock-cells = <0>;
+ };
+
+ sdio1_clk: sdio1 {
+ compatible = "fixed-clock";
+ clock-frequency = <48000000>;
+ #clock-cells = <0>;
+ };
+
+ sdio2_clk: sdio2 {
+ compatible = "fixed-clock";
+ clock-frequency = <48000000>;
+ #clock-cells = <0>;
+ };
+
+ sdio3_clk: sdio3 {
+ compatible = "fixed-clock";
+ clock-frequency = <48000000>;
+ #clock-cells = <0>;
+ };
+
+ sdio4_clk: sdio4 {
+ compatible = "fixed-clock";
+ clock-frequency = <48000000>;
+ #clock-cells = <0>;
+ };
+
+ tmon_1m_clk: tmon_1m {
+ compatible = "fixed-clock";
+ clock-frequency = <1000000>;
+ #clock-cells = <0>;
+ };
+
+ uartb_clk: uartb {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ uartb2_clk: uartb2 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ uartb3_clk: uartb3 {
+ compatible = "fixed-clock";
+ clock-frequency = <13000000>;
+ #clock-cells = <0>;
+ };
+
+ usb_otg_ahb_clk: usb_otg_ahb {
+ compatible = "fixed-clock";
+ clock-frequency = <52000000>;
+ #clock-cells = <0>;
+ };
+ };
+
+ usbotg: usb at 3f120000 {
+ compatible = "snps,dwc2";
+ reg = <0x3f120000 0x10000>;
+ interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&usb_otg_ahb_clk>;
+ clock-names = "otg";
+ phys = <&usbphy>;
+ phy-names = "usb2-phy";
+ status = "disabled";
+ };
+
+ usbphy: usb-phy at 3f130000 {
+ compatible = "brcm,kona-usb2-phy";
+ reg = <0x3f130000 0x28>;
+ #phy-cells = <0>;
+ status = "disabled";
+ };
+};
--
1.7.9.5
^ permalink raw reply related [flat|nested] 4+ messages in thread