Commit abc3f126 authored by Arnd Bergmann's avatar Arnd Bergmann

Merge branch 'imx/imx6q' into next/soc

Conflicts:
	Documentation/devicetree/bindings/arm/fsl.txt
	arch/arm/Kconfig
	arch/arm/Kconfig.debug
	arch/arm/plat-mxc/include/mach/common.h
parents b8df0ea2 8bcb9765
Freescale i.MX Platforms Device Tree Bindings
-----------------------------------------------
i.MX51 Babbage Board
Required root node properties:
- compatible = "fsl,imx51-babbage", "fsl,imx51";
......@@ -17,3 +20,7 @@ Required root node properties:
i.MX53 Smart Mobile Reference Design Board
Required root node properties:
- compatible = "fsl,imx53-smd", "fsl,imx53";
i.MX6 Quad SABRE Automotive Board
Required root node properties:
- compatible = "fsl,imx6q-sabreauto", "fsl,imx6q";
......@@ -793,6 +793,13 @@ L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
F: arch/arm/mach-mx5/
ARM/FREESCALE IMX6
M: Shawn Guo <shawn.guo@linaro.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S: Maintained
T: git git://git.linaro.org/people/shawnguo/linux-2.6.git
F: arch/arm/mach-imx/*imx6*
ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
......
......@@ -1435,7 +1435,7 @@ config SMP
depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK
ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK || SOC_IMX6Q
select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
help
......
......@@ -135,6 +135,118 @@ choice
Say Y here if you want the debug print routines to direct
their output to the UART on Highbank based devices.
config DEBUG_IMX1_UART
bool "i.MX1 Debug UART"
depends on SOC_IMX1
help
Say Y here if you want kernel low-level debugging support
on i.MX1.
config DEBUG_IMX23_UART
bool "i.MX23 Debug UART"
depends on SOC_IMX23
help
Say Y here if you want kernel low-level debugging support
on i.MX23.
config DEBUG_IMX25_UART
bool "i.MX25 Debug UART"
depends on SOC_IMX25
help
Say Y here if you want kernel low-level debugging support
on i.MX25.
config DEBUG_IMX21_IMX27_UART
bool "i.MX21 and i.MX27 Debug UART"
depends on SOC_IMX21 || SOC_IMX27
help
Say Y here if you want kernel low-level debugging support
on i.MX21 or i.MX27.
config DEBUG_IMX28_UART
bool "i.MX28 Debug UART"
depends on SOC_IMX28
help
Say Y here if you want kernel low-level debugging support
on i.MX28.
config DEBUG_IMX31_IMX35_UART
bool "i.MX31 and i.MX35 Debug UART"
depends on SOC_IMX31 || SOC_IMX35
help
Say Y here if you want kernel low-level debugging support
on i.MX31 or i.MX35.
config DEBUG_IMX51_UART
bool "i.MX51 Debug UART"
depends on SOC_IMX51
help
Say Y here if you want kernel low-level debugging support
on i.MX51.
config DEBUG_IMX50_IMX53_UART
bool "i.MX50 and i.MX53 Debug UART"
depends on SOC_IMX50 || SOC_IMX53
help
Say Y here if you want kernel low-level debugging support
on i.MX50 or i.MX53.
config DEBUG_IMX6Q_UART
bool "i.MX6Q Debug UART"
depends on SOC_IMX6Q
help
Say Y here if you want kernel low-level debugging support
on i.MX6Q.
config DEBUG_S3C_UART0
depends on PLAT_SAMSUNG
bool "Use S3C UART 0 for low-level debug"
help
Say Y here if you want the debug print routines to direct
their output to UART 0. The port must have been initialised
by the boot-loader before use.
The uncompressor code port configuration is now handled
by CONFIG_S3C_LOWLEVEL_UART_PORT.
config DEBUG_S3C_UART1
depends on PLAT_SAMSUNG
bool "Use S3C UART 1 for low-level debug"
help
Say Y here if you want the debug print routines to direct
their output to UART 1. The port must have been initialised
by the boot-loader before use.
The uncompressor code port configuration is now handled
by CONFIG_S3C_LOWLEVEL_UART_PORT.
config DEBUG_S3C_UART2
depends on PLAT_SAMSUNG
bool "Use S3C UART 2 for low-level debug"
help
Say Y here if you want the debug print routines to direct
their output to UART 2. The port must have been initialised
by the boot-loader before use.
The uncompressor code port configuration is now handled
by CONFIG_S3C_LOWLEVEL_UART_PORT.
config DEBUG_REALVIEW_STD_PORT
bool "RealView Default UART"
depends on ARCH_REALVIEW
help
Say Y here if you want the debug print routines to direct
their output to the serial port on RealView EB, PB11MP, PBA8
and PBX platforms.
config DEBUG_REALVIEW_PB1176_PORT
bool "RealView PB1176 UART"
depends on MACH_REALVIEW_PB1176
help
Say Y here if you want the debug print routines to direct
their output to the standard serial port on the RealView
PB1176 platform.
endchoice
config EARLY_PRINTK
......@@ -153,18 +265,6 @@ config OC_ETM
buffer driver that will allow you to collect traces of the
kernel code.
config DEBUG_S3C_UART
depends on PLAT_SAMSUNG
int "S3C UART to use for low-level debug"
default "0"
help
Choice for UART for kernel low-level using S3C UARTS,
should be between zero and two. The port must have been
initialised by the boot-loader before use.
The uncompressor code port configuration is now handled
by CONFIG_S3C_LOWLEVEL_UART_PORT.
config ARM_KPROBES_TEST
tristate "Kprobes test module"
depends on KPROBES && MODULES
......
......@@ -159,7 +159,7 @@ machine-$(CONFIG_ARCH_MMP) := mmp
machine-$(CONFIG_ARCH_MSM) := msm
machine-$(CONFIG_ARCH_MV78XX0) := mv78xx0
machine-$(CONFIG_ARCH_IMX_V4_V5) := imx
machine-$(CONFIG_ARCH_MX3) := imx
machine-$(CONFIG_ARCH_IMX_V6_V7) := imx
machine-$(CONFIG_ARCH_MX5) := mx5
machine-$(CONFIG_ARCH_MXS) := mxs
machine-$(CONFIG_ARCH_NETX) := netx
......
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/dts-v1/;
/include/ "imx6q.dtsi"
/ {
model = "Freescale i.MX6 Quad SABRE Automotive Board";
compatible = "fsl,imx6q-sabreauto", "fsl,imx6q";
chosen {
bootargs = "console=ttymxc0,115200 root=/dev/mmcblk3p3 rootwait";
};
memory {
reg = <0x10000000 0x80000000>;
};
soc {
aips-bus@02100000 { /* AIPS2 */
enet@02188000 {
phy-mode = "rgmii";
local-mac-address = [00 04 9F 01 1B 61];
status = "okay";
};
usdhc@02198000 { /* uSDHC3 */
cd-gpios = <&gpio5 11 0>; /* GPIO6_11 */
wp-gpios = <&gpio5 14 0>; /* GPIO6_14 */
status = "okay";
};
usdhc@0219c000 { /* uSDHC4 */
fsl,card-wired;
status = "okay";
};
uart3: uart@021f0000 { /* UART4 */
status = "okay";
};
};
};
leds {
compatible = "gpio-leds";
debug-led {
label = "Heartbeat";
gpios = <&gpio2 25 0>; /* GPIO3_25 */
linux,default-trigger = "heartbeat";
};
};
};
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
/include/ "skeleton.dtsi"
/ {
aliases {
serial0 = &uart0;
serial1 = &uart1;
serial2 = &uart2;
serial3 = &uart3;
serial4 = &uart4;
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
cpu@0 {
compatible = "arm,cortex-a9";
reg = <0>;
next-level-cache = <&L2>;
};
cpu@1 {
compatible = "arm,cortex-a9";
reg = <1>;
next-level-cache = <&L2>;
};
cpu@2 {
compatible = "arm,cortex-a9";
reg = <2>;
next-level-cache = <&L2>;
};
cpu@3 {
compatible = "arm,cortex-a9";
reg = <3>;
next-level-cache = <&L2>;
};
};
intc: interrupt-controller@00a01000 {
compatible = "arm,cortex-a9-gic";
#interrupt-cells = <3>;
#address-cells = <1>;
#size-cells = <1>;
interrupt-controller;
reg = <0x00a01000 0x1000>,
<0x00a00100 0x100>;
};
clocks {
#address-cells = <1>;
#size-cells = <0>;
ckil {
compatible = "fsl,imx-ckil", "fixed-clock";
clock-frequency = <32768>;
};
ckih1 {
compatible = "fsl,imx-ckih1", "fixed-clock";
clock-frequency = <0>;
};
osc {
compatible = "fsl,imx-osc", "fixed-clock";
clock-frequency = <24000000>;
};
};
soc {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
interrupt-parent = <&intc>;
ranges;
timer@00a00600 {
compatible = "arm,smp-twd";
reg = <0x00a00600 0x100>;
interrupts = <1 13 0xf4>;
};
L2: l2-cache@00a02000 {
compatible = "arm,pl310-cache";
reg = <0x00a02000 0x1000>;
interrupts = <0 92 0x04>;
cache-unified;
cache-level = <2>;
};
aips-bus@02000000 { /* AIPS1 */
compatible = "fsl,aips-bus", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x02000000 0x100000>;
ranges;
spba-bus@02000000 {
compatible = "fsl,spba-bus", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x02000000 0x40000>;
ranges;
spdif@02004000 {
reg = <0x02004000 0x4000>;
interrupts = <0 52 0x04>;
};
ecspi@02008000 { /* eCSPI1 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
reg = <0x02008000 0x4000>;
interrupts = <0 31 0x04>;
status = "disabled";
};
ecspi@0200c000 { /* eCSPI2 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
reg = <0x0200c000 0x4000>;
interrupts = <0 32 0x04>;
status = "disabled";
};
ecspi@02010000 { /* eCSPI3 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
reg = <0x02010000 0x4000>;
interrupts = <0 33 0x04>;
status = "disabled";
};
ecspi@02014000 { /* eCSPI4 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
reg = <0x02014000 0x4000>;
interrupts = <0 34 0x04>;
status = "disabled";
};
ecspi@02018000 { /* eCSPI5 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-ecspi", "fsl,imx51-ecspi";
reg = <0x02018000 0x4000>;
interrupts = <0 35 0x04>;
status = "disabled";
};
uart0: uart@02020000 { /* UART1 */
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
reg = <0x02020000 0x4000>;
interrupts = <0 26 0x04>;
status = "disabled";
};
esai@02024000 {
reg = <0x02024000 0x4000>;
interrupts = <0 51 0x04>;
};
ssi@02028000 { /* SSI1 */
reg = <0x02028000 0x4000>;
interrupts = <0 46 0x04>;
};
ssi@0202c000 { /* SSI2 */
reg = <0x0202c000 0x4000>;
interrupts = <0 47 0x04>;
};
ssi@02030000 { /* SSI3 */
reg = <0x02030000 0x4000>;
interrupts = <0 48 0x04>;
};
asrc@02034000 {
reg = <0x02034000 0x4000>;
interrupts = <0 50 0x04>;
};
spba@0203c000 {
reg = <0x0203c000 0x4000>;
};
};
vpu@02040000 {
reg = <0x02040000 0x3c000>;
interrupts = <0 3 0x04 0 12 0x04>;
};
aipstz@0207c000 { /* AIPSTZ1 */
reg = <0x0207c000 0x4000>;
};
pwm@02080000 { /* PWM1 */
reg = <0x02080000 0x4000>;
interrupts = <0 83 0x04>;
};
pwm@02084000 { /* PWM2 */
reg = <0x02084000 0x4000>;
interrupts = <0 84 0x04>;
};
pwm@02088000 { /* PWM3 */
reg = <0x02088000 0x4000>;
interrupts = <0 85 0x04>;
};
pwm@0208c000 { /* PWM4 */
reg = <0x0208c000 0x4000>;
interrupts = <0 86 0x04>;
};
flexcan@02090000 { /* CAN1 */
reg = <0x02090000 0x4000>;
interrupts = <0 110 0x04>;
};
flexcan@02094000 { /* CAN2 */
reg = <0x02094000 0x4000>;
interrupts = <0 111 0x04>;
};
gpt@02098000 {
compatible = "fsl,imx6q-gpt";
reg = <0x02098000 0x4000>;
interrupts = <0 55 0x04>;
};
gpio0: gpio@0209c000 { /* GPIO1 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x0209c000 0x4000>;
interrupts = <0 66 0x04 0 67 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio1: gpio@020a0000 { /* GPIO2 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020a0000 0x4000>;
interrupts = <0 68 0x04 0 69 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio2: gpio@020a4000 { /* GPIO3 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020a4000 0x4000>;
interrupts = <0 70 0x04 0 71 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio3: gpio@020a8000 { /* GPIO4 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020a8000 0x4000>;
interrupts = <0 72 0x04 0 73 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio4: gpio@020ac000 { /* GPIO5 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020ac000 0x4000>;
interrupts = <0 74 0x04 0 75 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio5: gpio@020b0000 { /* GPIO6 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020b0000 0x4000>;
interrupts = <0 76 0x04 0 77 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
gpio6: gpio@020b4000 { /* GPIO7 */
compatible = "fsl,imx6q-gpio", "fsl,imx31-gpio";
reg = <0x020b4000 0x4000>;
interrupts = <0 78 0x04 0 79 0x04>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};
kpp@020b8000 {
reg = <0x020b8000 0x4000>;
interrupts = <0 82 0x04>;
};
wdog@020bc000 { /* WDOG1 */
compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt";
reg = <0x020bc000 0x4000>;
interrupts = <0 80 0x04>;
status = "disabled";
};
wdog@020c0000 { /* WDOG2 */
compatible = "fsl,imx6q-wdt", "fsl,imx21-wdt";
reg = <0x020c0000 0x4000>;
interrupts = <0 81 0x04>;
status = "disabled";
};
ccm@020c4000 {
compatible = "fsl,imx6q-ccm";
reg = <0x020c4000 0x4000>;
interrupts = <0 87 0x04 0 88 0x04>;
};
anatop@020c8000 {
compatible = "fsl,imx6q-anatop";
reg = <0x020c8000 0x1000>;
interrupts = <0 49 0x04 0 54 0x04 0 127 0x04>;
};
usbphy@020c9000 { /* USBPHY1 */
reg = <0x020c9000 0x1000>;
interrupts = <0 44 0x04>;
};
usbphy@020ca000 { /* USBPHY2 */
reg = <0x020ca000 0x1000>;
interrupts = <0 45 0x04>;
};
snvs@020cc000 {
reg = <0x020cc000 0x4000>;
interrupts = <0 19 0x04 0 20 0x04>;
};
epit@020d0000 { /* EPIT1 */
reg = <0x020d0000 0x4000>;
interrupts = <0 56 0x04>;
};
epit@020d4000 { /* EPIT2 */
reg = <0x020d4000 0x4000>;
interrupts = <0 57 0x04>;
};
src@020d8000 {
compatible = "fsl,imx6q-src";
reg = <0x020d8000 0x4000>;
interrupts = <0 91 0x04 0 96 0x04>;
};
gpc@020dc000 {
compatible = "fsl,imx6q-gpc";
reg = <0x020dc000 0x4000>;
interrupts = <0 89 0x04 0 90 0x04>;
};
iomuxc@020e0000 {
reg = <0x020e0000 0x4000>;
};
dcic@020e4000 { /* DCIC1 */
reg = <0x020e4000 0x4000>;
interrupts = <0 124 0x04>;
};
dcic@020e8000 { /* DCIC2 */
reg = <0x020e8000 0x4000>;
interrupts = <0 125 0x04>;
};
sdma@020ec000 {
compatible = "fsl,imx6q-sdma", "fsl,imx35-sdma";
reg = <0x020ec000 0x4000>;
interrupts = <0 2 0x04>;
};
};
aips-bus@02100000 { /* AIPS2 */
compatible = "fsl,aips-bus", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
reg = <0x02100000 0x100000>;
ranges;
caam@02100000 {
reg = <0x02100000 0x40000>;
interrupts = <0 105 0x04 0 106 0x04>;
};
aipstz@0217c000 { /* AIPSTZ2 */
reg = <0x0217c000 0x4000>;
};
enet@02188000 {
compatible = "fsl,imx6q-fec";
reg = <0x02188000 0x4000>;
interrupts = <0 118 0x04 0 119 0x04>;
status = "disabled";
};
mlb@0218c000 {
reg = <0x0218c000 0x4000>;
interrupts = <0 53 0x04 0 117 0x04 0 126 0x04>;
};
usdhc@02190000 { /* uSDHC1 */
compatible = "fsl,imx6q-usdhc";
reg = <0x02190000 0x4000>;
interrupts = <0 22 0x04>;
status = "disabled";
};
usdhc@02194000 { /* uSDHC2 */
compatible = "fsl,imx6q-usdhc";
reg = <0x02194000 0x4000>;
interrupts = <0 23 0x04>;
status = "disabled";
};
usdhc@02198000 { /* uSDHC3 */
compatible = "fsl,imx6q-usdhc";
reg = <0x02198000 0x4000>;
interrupts = <0 24 0x04>;
status = "disabled";
};
usdhc@0219c000 { /* uSDHC4 */
compatible = "fsl,imx6q-usdhc";
reg = <0x0219c000 0x4000>;
interrupts = <0 25 0x04>;
status = "disabled";
};
i2c@021a0000 { /* I2C1 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
reg = <0x021a0000 0x4000>;
interrupts = <0 36 0x04>;
status = "disabled";
};
i2c@021a4000 { /* I2C2 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
reg = <0x021a4000 0x4000>;
interrupts = <0 37 0x04>;
status = "disabled";
};
i2c@021a8000 { /* I2C3 */
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,imx6q-i2c", "fsl,imx1-i2c";
reg = <0x021a8000 0x4000>;
interrupts = <0 38 0x04>;
status = "disabled";
};
romcp@021ac000 {
reg = <0x021ac000 0x4000>;
};
mmdc@021b0000 { /* MMDC0 */
compatible = "fsl,imx6q-mmdc";
reg = <0x021b0000 0x4000>;
};
mmdc@021b4000 { /* MMDC1 */
reg = <0x021b4000 0x4000>;
};
weim@021b8000 {
reg = <0x021b8000 0x4000>;
interrupts = <0 14 0x04>;
};
ocotp@021bc000 {
reg = <0x021bc000 0x4000>;
};
ocotp@021c0000 {
reg = <0x021c0000 0x4000>;
interrupts = <0 21 0x04>;
};
tzasc@021d0000 { /* TZASC1 */
reg = <0x021d0000 0x4000>;
interrupts = <0 108 0x04>;
};
tzasc@021d4000 { /* TZASC2 */
reg = <0x021d4000 0x4000>;
interrupts = <0 109 0x04>;
};
audmux@021d8000 {
reg = <0x021d8000 0x4000>;
};
mipi@021dc000 { /* MIPI-CSI */
reg = <0x021dc000 0x4000>;
};
mipi@021e0000 { /* MIPI-DSI */
reg = <0x021e0000 0x4000>;
};
vdoa@021e4000 {
reg = <0x021e4000 0x4000>;
interrupts = <0 18 0x04>;
};
uart1: uart@021e8000 { /* UART2 */
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
reg = <0x021e8000 0x4000>;
interrupts = <0 27 0x04>;
status = "disabled";
};
uart2: uart@021ec000 { /* UART3 */
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
reg = <0x021ec000 0x4000>;
interrupts = <0 28 0x04>;
status = "disabled";
};
uart3: uart@021f0000 { /* UART4 */
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
reg = <0x021f0000 0x4000>;
interrupts = <0 29 0x04>;
status = "disabled";
};
uart4: uart@021f4000 { /* UART5 */
compatible = "fsl,imx6q-uart", "fsl,imx21-uart";
reg = <0x021f4000 0x4000>;
interrupts = <0 30 0x04>;
status = "disabled";
};
};
};
};
config IMX_HAVE_DMA_V1
bool
config HAVE_IMX_GPC
bool
config HAVE_IMX_MMDC
bool
config HAVE_IMX_SRC
bool
#
# ARCH_MX31 and ARCH_MX35 are left for compatibility
# Some usages assume that having one of them implies not having (e.g.) ARCH_MX2.
......@@ -64,6 +74,7 @@ config SOC_IMX31
select ARCH_MXC_AUDMUX_V2
select ARCH_MX31
select MXC_AVIC
select SMP_ON_UP if SMP
config SOC_IMX35
bool
......@@ -73,6 +84,7 @@ config SOC_IMX35
select HAVE_EPIT
select ARCH_MX35
select MXC_AVIC
select SMP_ON_UP if SMP
if ARCH_IMX_V4_V5
......@@ -341,7 +353,7 @@ config MACH_IMX27IPCAM
endif
if ARCH_MX3
if ARCH_IMX_V6_V7
comment "MX31 platforms:"
......@@ -591,4 +603,20 @@ config MACH_VPR200
Include support for VPR200 platform. This includes specific
configurations for the board and its peripherals.
comment "i.MX6 family:"
config SOC_IMX6Q
bool "i.MX6 Quad support"
select ARM_GIC
select CACHE_L2X0
select CPU_V7
select HAVE_ARM_SCU
select HAVE_IMX_GPC
select HAVE_IMX_MMDC
select HAVE_IMX_SRC
select USE_OF
help
This enables support for Freescale i.MX6 Quad processor.
endif
......@@ -60,3 +60,14 @@ obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o
obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
obj-$(CONFIG_DEBUG_LL) += lluart.o
obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o
obj-$(CONFIG_HAVE_IMX_MMDC) += mmdc.o
obj-$(CONFIG_HAVE_IMX_SRC) += src.o
obj-$(CONFIG_CPU_V7) += head-v7.o
AFLAGS_head-v7.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SMP) += platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_LOCAL_TIMERS) += localtimer.o
obj-$(CONFIG_SOC_IMX6Q) += clock-imx6q.o mach-imx6q.o pm-imx6q.o
......@@ -17,3 +17,7 @@ initrd_phys-$(CONFIG_MACH_MX27) := 0xA0800000
zreladdr-$(CONFIG_ARCH_MX3) := 0x80008000
params_phys-$(CONFIG_ARCH_MX3) := 0x80000100
initrd_phys-$(CONFIG_ARCH_MX3) := 0x80800000
zreladdr-$(CONFIG_SOC_IMX6Q) += 0x10008000
params_phys-$(CONFIG_SOC_IMX6Q) := 0x10000100
initrd_phys-$(CONFIG_SOC_IMX6Q) := 0x10800000
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/types.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/div64.h>
#include <asm/mach/map.h>
#include <mach/clock.h>
#include <mach/common.h>
#include <mach/hardware.h>
#define PLL_BASE IMX_IO_ADDRESS(MX6Q_ANATOP_BASE_ADDR)
#define PLL1_SYS (PLL_BASE + 0x000)
#define PLL2_BUS (PLL_BASE + 0x030)
#define PLL3_USB_OTG (PLL_BASE + 0x010)
#define PLL4_AUDIO (PLL_BASE + 0x070)
#define PLL5_VIDEO (PLL_BASE + 0x0a0)
#define PLL6_MLB (PLL_BASE + 0x0d0)
#define PLL7_USB_HOST (PLL_BASE + 0x020)
#define PLL8_ENET (PLL_BASE + 0x0e0)
#define PFD_480 (PLL_BASE + 0x0f0)
#define PFD_528 (PLL_BASE + 0x100)
#define PLL_NUM_OFFSET 0x010
#define PLL_DENOM_OFFSET 0x020
#define PFD0 7
#define PFD1 15
#define PFD2 23
#define PFD3 31
#define PFD_FRAC_MASK 0x3f
#define BM_PLL_BYPASS (0x1 << 16)
#define BM_PLL_ENABLE (0x1 << 13)
#define BM_PLL_POWER_DOWN (0x1 << 12)
#define BM_PLL_LOCK (0x1 << 31)
#define BP_PLL_SYS_DIV_SELECT 0
#define BM_PLL_SYS_DIV_SELECT (0x7f << 0)
#define BP_PLL_BUS_DIV_SELECT 0
#define BM_PLL_BUS_DIV_SELECT (0x1 << 0)
#define BP_PLL_USB_DIV_SELECT 0
#define BM_PLL_USB_DIV_SELECT (0x3 << 0)
#define BP_PLL_AV_DIV_SELECT 0
#define BM_PLL_AV_DIV_SELECT (0x7f << 0)
#define BP_PLL_ENET_DIV_SELECT 0
#define BM_PLL_ENET_DIV_SELECT (0x3 << 0)
#define BM_PLL_ENET_EN_PCIE (0x1 << 19)
#define BM_PLL_ENET_EN_SATA (0x1 << 20)
#define CCM_BASE IMX_IO_ADDRESS(MX6Q_CCM_BASE_ADDR)
#define CCR (CCM_BASE + 0x00)
#define CCDR (CCM_BASE + 0x04)
#define CSR (CCM_BASE + 0x08)
#define CCSR (CCM_BASE + 0x0c)
#define CACRR (CCM_BASE + 0x10)
#define CBCDR (CCM_BASE + 0x14)
#define CBCMR (CCM_BASE + 0x18)
#define CSCMR1 (CCM_BASE + 0x1c)
#define CSCMR2 (CCM_BASE + 0x20)
#define CSCDR1 (CCM_BASE + 0x24)
#define CS1CDR (CCM_BASE + 0x28)
#define CS2CDR (CCM_BASE + 0x2c)
#define CDCDR (CCM_BASE + 0x30)
#define CHSCCDR (CCM_BASE + 0x34)
#define CSCDR2 (CCM_BASE + 0x38)
#define CSCDR3 (CCM_BASE + 0x3c)
#define CSCDR4 (CCM_BASE + 0x40)
#define CWDR (CCM_BASE + 0x44)
#define CDHIPR (CCM_BASE + 0x48)
#define CDCR (CCM_BASE + 0x4c)
#define CTOR (CCM_BASE + 0x50)
#define CLPCR (CCM_BASE + 0x54)
#define CISR (CCM_BASE + 0x58)
#define CIMR (CCM_BASE + 0x5c)
#define CCOSR (CCM_BASE + 0x60)
#define CGPR (CCM_BASE + 0x64)
#define CCGR0 (CCM_BASE + 0x68)
#define CCGR1 (CCM_BASE + 0x6c)
#define CCGR2 (CCM_BASE + 0x70)
#define CCGR3 (CCM_BASE + 0x74)
#define CCGR4 (CCM_BASE + 0x78)
#define CCGR5 (CCM_BASE + 0x7c)
#define CCGR6 (CCM_BASE + 0x80)
#define CCGR7 (CCM_BASE + 0x84)
#define CMEOR (CCM_BASE + 0x88)
#define CG0 0
#define CG1 2
#define CG2 4
#define CG3 6
#define CG4 8
#define CG5 10
#define CG6 12
#define CG7 14
#define CG8 16
#define CG9 18
#define CG10 20
#define CG11 22
#define CG12 24
#define CG13 26
#define CG14 28
#define CG15 30
#define BM_CCSR_PLL1_SW_SEL (0x1 << 2)
#define BM_CCSR_STEP_SEL (0x1 << 8)
#define BP_CACRR_ARM_PODF 0
#define BM_CACRR_ARM_PODF (0x7 << 0)
#define BP_CBCDR_PERIPH2_CLK2_PODF 0
#define BM_CBCDR_PERIPH2_CLK2_PODF (0x7 << 0)
#define BP_CBCDR_MMDC_CH1_AXI_PODF 3
#define BM_CBCDR_MMDC_CH1_AXI_PODF (0x7 << 3)
#define BP_CBCDR_AXI_SEL 6
#define BM_CBCDR_AXI_SEL (0x3 << 6)
#define BP_CBCDR_IPG_PODF 8
#define BM_CBCDR_IPG_PODF (0x3 << 8)
#define BP_CBCDR_AHB_PODF 10
#define BM_CBCDR_AHB_PODF (0x7 << 10)
#define BP_CBCDR_AXI_PODF 16
#define BM_CBCDR_AXI_PODF (0x7 << 16)
#define BP_CBCDR_MMDC_CH0_AXI_PODF 19
#define BM_CBCDR_MMDC_CH0_AXI_PODF (0x7 << 19)
#define BP_CBCDR_PERIPH_CLK_SEL 25
#define BM_CBCDR_PERIPH_CLK_SEL (0x1 << 25)
#define BP_CBCDR_PERIPH2_CLK_SEL 26
#define BM_CBCDR_PERIPH2_CLK_SEL (0x1 << 26)
#define BP_CBCDR_PERIPH_CLK2_PODF 27
#define BM_CBCDR_PERIPH_CLK2_PODF (0x7 << 27)
#define BP_CBCMR_GPU2D_AXI_SEL 0
#define BM_CBCMR_GPU2D_AXI_SEL (0x1 << 0)
#define BP_CBCMR_GPU3D_AXI_SEL 1
#define BM_CBCMR_GPU3D_AXI_SEL (0x1 << 1)
#define BP_CBCMR_GPU3D_CORE_SEL 4
#define BM_CBCMR_GPU3D_CORE_SEL (0x3 << 4)
#define BP_CBCMR_GPU3D_SHADER_SEL 8
#define BM_CBCMR_GPU3D_SHADER_SEL (0x3 << 8)
#define BP_CBCMR_PCIE_AXI_SEL 10
#define BM_CBCMR_PCIE_AXI_SEL (0x1 << 10)
#define BP_CBCMR_VDO_AXI_SEL 11
#define BM_CBCMR_VDO_AXI_SEL (0x1 << 11)
#define BP_CBCMR_PERIPH_CLK2_SEL 12
#define BM_CBCMR_PERIPH_CLK2_SEL (0x3 << 12)
#define BP_CBCMR_VPU_AXI_SEL 14
#define BM_CBCMR_VPU_AXI_SEL (0x3 << 14)
#define BP_CBCMR_GPU2D_CORE_SEL 16
#define BM_CBCMR_GPU2D_CORE_SEL (0x3 << 16)
#define BP_CBCMR_PRE_PERIPH_CLK_SEL 18
#define BM_CBCMR_PRE_PERIPH_CLK_SEL (0x3 << 18)
#define BP_CBCMR_PERIPH2_CLK2_SEL 20
#define BM_CBCMR_PERIPH2_CLK2_SEL (0x1 << 20)
#define BP_CBCMR_PRE_PERIPH2_CLK_SEL 21
#define BM_CBCMR_PRE_PERIPH2_CLK_SEL (0x3 << 21)
#define BP_CBCMR_GPU2D_CORE_PODF 23
#define BM_CBCMR_GPU2D_CORE_PODF (0x7 << 23)
#define BP_CBCMR_GPU3D_CORE_PODF 26
#define BM_CBCMR_GPU3D_CORE_PODF (0x7 << 26)
#define BP_CBCMR_GPU3D_SHADER_PODF 29
#define BM_CBCMR_GPU3D_SHADER_PODF (0x7 << 29)
#define BP_CSCMR1_PERCLK_PODF 0
#define BM_CSCMR1_PERCLK_PODF (0x3f << 0)
#define BP_CSCMR1_SSI1_SEL 10
#define BM_CSCMR1_SSI1_SEL (0x3 << 10)
#define BP_CSCMR1_SSI2_SEL 12
#define BM_CSCMR1_SSI2_SEL (0x3 << 12)
#define BP_CSCMR1_SSI3_SEL 14
#define BM_CSCMR1_SSI3_SEL (0x3 << 14)
#define BP_CSCMR1_USDHC1_SEL 16
#define BM_CSCMR1_USDHC1_SEL (0x1 << 16)
#define BP_CSCMR1_USDHC2_SEL 17
#define BM_CSCMR1_USDHC2_SEL (0x1 << 17)
#define BP_CSCMR1_USDHC3_SEL 18
#define BM_CSCMR1_USDHC3_SEL (0x1 << 18)
#define BP_CSCMR1_USDHC4_SEL 19
#define BM_CSCMR1_USDHC4_SEL (0x1 << 19)
#define BP_CSCMR1_EMI_PODF 20
#define BM_CSCMR1_EMI_PODF (0x7 << 20)
#define BP_CSCMR1_EMI_SLOW_PODF 23
#define BM_CSCMR1_EMI_SLOW_PODF (0x7 << 23)
#define BP_CSCMR1_EMI_SEL 27
#define BM_CSCMR1_EMI_SEL (0x3 << 27)
#define BP_CSCMR1_EMI_SLOW_SEL 29
#define BM_CSCMR1_EMI_SLOW_SEL (0x3 << 29)
#define BP_CSCMR2_CAN_PODF 2
#define BM_CSCMR2_CAN_PODF (0x3f << 2)
#define BM_CSCMR2_LDB_DI0_IPU_DIV (0x1 << 10)
#define BM_CSCMR2_LDB_DI1_IPU_DIV (0x1 << 11)
#define BP_CSCMR2_ESAI_SEL 19
#define BM_CSCMR2_ESAI_SEL (0x3 << 19)
#define BP_CSCDR1_UART_PODF 0
#define BM_CSCDR1_UART_PODF (0x3f << 0)
#define BP_CSCDR1_USDHC1_PODF 11
#define BM_CSCDR1_USDHC1_PODF (0x7 << 11)
#define BP_CSCDR1_USDHC2_PODF 16
#define BM_CSCDR1_USDHC2_PODF (0x7 << 16)
#define BP_CSCDR1_USDHC3_PODF 19
#define BM_CSCDR1_USDHC3_PODF (0x7 << 19)
#define BP_CSCDR1_USDHC4_PODF 22
#define BM_CSCDR1_USDHC4_PODF (0x7 << 22)
#define BP_CSCDR1_VPU_AXI_PODF 25
#define BM_CSCDR1_VPU_AXI_PODF (0x7 << 25)
#define BP_CS1CDR_SSI1_PODF 0
#define BM_CS1CDR_SSI1_PODF (0x3f << 0)
#define BP_CS1CDR_SSI1_PRED 6
#define BM_CS1CDR_SSI1_PRED (0x7 << 6)
#define BP_CS1CDR_ESAI_PRED 9
#define BM_CS1CDR_ESAI_PRED (0x7 << 9)
#define BP_CS1CDR_SSI3_PODF 16
#define BM_CS1CDR_SSI3_PODF (0x3f << 16)
#define BP_CS1CDR_SSI3_PRED 22
#define BM_CS1CDR_SSI3_PRED (0x7 << 22)
#define BP_CS1CDR_ESAI_PODF 25
#define BM_CS1CDR_ESAI_PODF (0x7 << 25)
#define BP_CS2CDR_SSI2_PODF 0
#define BM_CS2CDR_SSI2_PODF (0x3f << 0)
#define BP_CS2CDR_SSI2_PRED 6
#define BM_CS2CDR_SSI2_PRED (0x7 << 6)
#define BP_CS2CDR_LDB_DI0_SEL 9
#define BM_CS2CDR_LDB_DI0_SEL (0x7 << 9)
#define BP_CS2CDR_LDB_DI1_SEL 12
#define BM_CS2CDR_LDB_DI1_SEL (0x7 << 12)
#define BP_CS2CDR_ENFC_SEL 16
#define BM_CS2CDR_ENFC_SEL (0x3 << 16)
#define BP_CS2CDR_ENFC_PRED 18
#define BM_CS2CDR_ENFC_PRED (0x7 << 18)
#define BP_CS2CDR_ENFC_PODF 21
#define BM_CS2CDR_ENFC_PODF (0x3f << 21)
#define BP_CDCDR_ASRC_SERIAL_SEL 7
#define BM_CDCDR_ASRC_SERIAL_SEL (0x3 << 7)
#define BP_CDCDR_ASRC_SERIAL_PODF 9
#define BM_CDCDR_ASRC_SERIAL_PODF (0x7 << 9)
#define BP_CDCDR_ASRC_SERIAL_PRED 12
#define BM_CDCDR_ASRC_SERIAL_PRED (0x7 << 12)
#define BP_CDCDR_SPDIF_SEL 20
#define BM_CDCDR_SPDIF_SEL (0x3 << 20)
#define BP_CDCDR_SPDIF_PODF 22
#define BM_CDCDR_SPDIF_PODF (0x7 << 22)
#define BP_CDCDR_SPDIF_PRED 25
#define BM_CDCDR_SPDIF_PRED (0x7 << 25)
#define BP_CDCDR_HSI_TX_PODF 29
#define BM_CDCDR_HSI_TX_PODF (0x7 << 29)
#define BP_CDCDR_HSI_TX_SEL 28
#define BM_CDCDR_HSI_TX_SEL (0x1 << 28)
#define BP_CHSCCDR_IPU1_DI0_SEL 0
#define BM_CHSCCDR_IPU1_DI0_SEL (0x7 << 0)
#define BP_CHSCCDR_IPU1_DI0_PRE_PODF 3
#define BM_CHSCCDR_IPU1_DI0_PRE_PODF (0x7 << 3)
#define BP_CHSCCDR_IPU1_DI0_PRE_SEL 6
#define BM_CHSCCDR_IPU1_DI0_PRE_SEL (0x7 << 6)
#define BP_CHSCCDR_IPU1_DI1_SEL 9
#define BM_CHSCCDR_IPU1_DI1_SEL (0x7 << 9)
#define BP_CHSCCDR_IPU1_DI1_PRE_PODF 12
#define BM_CHSCCDR_IPU1_DI1_PRE_PODF (0x7 << 12)
#define BP_CHSCCDR_IPU1_DI1_PRE_SEL 15
#define BM_CHSCCDR_IPU1_DI1_PRE_SEL (0x7 << 15)
#define BP_CSCDR2_IPU2_DI0_SEL 0
#define BM_CSCDR2_IPU2_DI0_SEL (0x7)
#define BP_CSCDR2_IPU2_DI0_PRE_PODF 3
#define BM_CSCDR2_IPU2_DI0_PRE_PODF (0x7 << 3)
#define BP_CSCDR2_IPU2_DI0_PRE_SEL 6
#define BM_CSCDR2_IPU2_DI0_PRE_SEL (0x7 << 6)
#define BP_CSCDR2_IPU2_DI1_SEL 9
#define BM_CSCDR2_IPU2_DI1_SEL (0x7 << 9)
#define BP_CSCDR2_IPU2_DI1_PRE_PODF 12
#define BM_CSCDR2_IPU2_DI1_PRE_PODF (0x7 << 12)
#define BP_CSCDR2_IPU2_DI1_PRE_SEL 15
#define BM_CSCDR2_IPU2_DI1_PRE_SEL (0x7 << 15)
#define BP_CSCDR2_ECSPI_CLK_PODF 19
#define BM_CSCDR2_ECSPI_CLK_PODF (0x3f << 19)
#define BP_CSCDR3_IPU1_HSP_SEL 9
#define BM_CSCDR3_IPU1_HSP_SEL (0x3 << 9)
#define BP_CSCDR3_IPU1_HSP_PODF 11
#define BM_CSCDR3_IPU1_HSP_PODF (0x7 << 11)
#define BP_CSCDR3_IPU2_HSP_SEL 14
#define BM_CSCDR3_IPU2_HSP_SEL (0x3 << 14)
#define BP_CSCDR3_IPU2_HSP_PODF 16
#define BM_CSCDR3_IPU2_HSP_PODF (0x7 << 16)
#define BM_CDHIPR_AXI_PODF_BUSY (0x1 << 0)
#define BM_CDHIPR_AHB_PODF_BUSY (0x1 << 1)
#define BM_CDHIPR_MMDC_CH1_PODF_BUSY (0x1 << 2)
#define BM_CDHIPR_PERIPH2_SEL_BUSY (0x1 << 3)
#define BM_CDHIPR_MMDC_CH0_PODF_BUSY (0x1 << 4)
#define BM_CDHIPR_PERIPH_SEL_BUSY (0x1 << 5)
#define BM_CDHIPR_ARM_PODF_BUSY (0x1 << 16)
#define BP_CLPCR_LPM 0
#define BM_CLPCR_LPM (0x3 << 0)
#define BM_CLPCR_BYPASS_PMIC_READY (0x1 << 2)
#define BM_CLPCR_ARM_CLK_DIS_ON_LPM (0x1 << 5)
#define BM_CLPCR_SBYOS (0x1 << 6)
#define BM_CLPCR_DIS_REF_OSC (0x1 << 7)
#define BM_CLPCR_VSTBY (0x1 << 8)
#define BP_CLPCR_STBY_COUNT 9
#define BM_CLPCR_STBY_COUNT (0x3 << 9)
#define BM_CLPCR_COSC_PWRDOWN (0x1 << 11)
#define BM_CLPCR_WB_PER_AT_LPM (0x1 << 16)
#define BM_CLPCR_WB_CORE_AT_LPM (0x1 << 17)
#define BM_CLPCR_BYP_MMDC_CH0_LPM_HS (0x1 << 19)
#define BM_CLPCR_BYP_MMDC_CH1_LPM_HS (0x1 << 21)
#define BM_CLPCR_MASK_CORE0_WFI (0x1 << 22)
#define BM_CLPCR_MASK_CORE1_WFI (0x1 << 23)
#define BM_CLPCR_MASK_CORE2_WFI (0x1 << 24)
#define BM_CLPCR_MASK_CORE3_WFI (0x1 << 25)
#define BM_CLPCR_MASK_SCU_IDLE (0x1 << 26)
#define BM_CLPCR_MASK_L2CC_IDLE (0x1 << 27)
#define FREQ_480M 480000000
#define FREQ_528M 528000000
#define FREQ_594M 594000000
#define FREQ_650M 650000000
#define FREQ_1300M 1300000000
static struct clk pll1_sys;
static struct clk pll2_bus;
static struct clk pll3_usb_otg;
static struct clk pll4_audio;
static struct clk pll5_video;
static struct clk pll6_mlb;
static struct clk pll7_usb_host;
static struct clk pll8_enet;
static struct clk apbh_dma_clk;
static struct clk arm_clk;
static struct clk ipg_clk;
static struct clk ahb_clk;
static struct clk axi_clk;
static struct clk mmdc_ch0_axi_clk;
static struct clk mmdc_ch1_axi_clk;
static struct clk periph_clk;
static struct clk periph_pre_clk;
static struct clk periph_clk2_clk;
static struct clk periph2_clk;
static struct clk periph2_pre_clk;
static struct clk periph2_clk2_clk;
static struct clk gpu2d_core_clk;
static struct clk gpu3d_core_clk;
static struct clk gpu3d_shader_clk;
static struct clk ipg_perclk;
static struct clk emi_clk;
static struct clk emi_slow_clk;
static struct clk can1_clk;
static struct clk uart_clk;
static struct clk usdhc1_clk;
static struct clk usdhc2_clk;
static struct clk usdhc3_clk;
static struct clk usdhc4_clk;
static struct clk vpu_clk;
static struct clk hsi_tx_clk;
static struct clk ipu1_di0_pre_clk;
static struct clk ipu1_di1_pre_clk;
static struct clk ipu2_di0_pre_clk;
static struct clk ipu2_di1_pre_clk;
static struct clk ipu1_clk;
static struct clk ipu2_clk;
static struct clk ssi1_clk;
static struct clk ssi3_clk;
static struct clk esai_clk;
static struct clk ssi2_clk;
static struct clk spdif_clk;
static struct clk asrc_serial_clk;
static struct clk gpu2d_axi_clk;
static struct clk gpu3d_axi_clk;
static struct clk pcie_clk;
static struct clk vdo_axi_clk;
static struct clk ldb_di0_clk;
static struct clk ldb_di1_clk;
static struct clk ipu1_di0_clk;
static struct clk ipu1_di1_clk;
static struct clk ipu2_di0_clk;
static struct clk ipu2_di1_clk;
static struct clk enfc_clk;
static struct clk dummy_clk = {};
static unsigned long external_high_reference;
static unsigned long external_low_reference;
static unsigned long oscillator_reference;
static unsigned long get_oscillator_reference_clock_rate(struct clk *clk)
{
return oscillator_reference;
}
static unsigned long get_high_reference_clock_rate(struct clk *clk)
{
return external_high_reference;
}
static unsigned long get_low_reference_clock_rate(struct clk *clk)
{
return external_low_reference;
}
static struct clk ckil_clk = {
.get_rate = get_low_reference_clock_rate,
};
static struct clk ckih_clk = {
.get_rate = get_high_reference_clock_rate,
};
static struct clk osc_clk = {
.get_rate = get_oscillator_reference_clock_rate,
};
static inline void __iomem *pll_get_reg_addr(struct clk *pll)
{
if (pll == &pll1_sys)
return PLL1_SYS;
else if (pll == &pll2_bus)
return PLL2_BUS;
else if (pll == &pll3_usb_otg)
return PLL3_USB_OTG;
else if (pll == &pll4_audio)
return PLL4_AUDIO;
else if (pll == &pll5_video)
return PLL5_VIDEO;
else if (pll == &pll6_mlb)
return PLL6_MLB;
else if (pll == &pll7_usb_host)
return PLL7_USB_HOST;
else if (pll == &pll8_enet)
return PLL8_ENET;
else
BUG();
return NULL;
}
static int pll_enable(struct clk *clk)
{
int timeout = 0x100000;
void __iomem *reg;
u32 val;
reg = pll_get_reg_addr(clk);
val = readl_relaxed(reg);
val &= ~BM_PLL_BYPASS;
val &= ~BM_PLL_POWER_DOWN;
/* 480MHz PLLs have the opposite definition for power bit */
if (clk == &pll3_usb_otg || clk == &pll7_usb_host)
val |= BM_PLL_POWER_DOWN;
writel_relaxed(val, reg);
/* Wait for PLL to lock */
while (!(readl_relaxed(reg) & BM_PLL_LOCK) && --timeout)
cpu_relax();
if (unlikely(!timeout))
return -EBUSY;
/* Enable the PLL output now */
val = readl_relaxed(reg);
val |= BM_PLL_ENABLE;
writel_relaxed(val, reg);
return 0;
}
static void pll_disable(struct clk *clk)
{
void __iomem *reg;
u32 val;
reg = pll_get_reg_addr(clk);
val = readl_relaxed(reg);
val &= ~BM_PLL_ENABLE;
val |= BM_PLL_BYPASS;
val |= BM_PLL_POWER_DOWN;
if (clk == &pll3_usb_otg || clk == &pll7_usb_host)
val &= ~BM_PLL_POWER_DOWN;
writel_relaxed(val, reg);
}
static unsigned long pll1_sys_get_rate(struct clk *clk)
{
u32 div = (readl_relaxed(PLL1_SYS) & BM_PLL_SYS_DIV_SELECT) >>
BP_PLL_SYS_DIV_SELECT;
return clk_get_rate(clk->parent) * div / 2;
}
static int pll1_sys_set_rate(struct clk *clk, unsigned long rate)
{
u32 val, div;
if (rate < FREQ_650M || rate > FREQ_1300M)
return -EINVAL;
div = rate * 2 / clk_get_rate(clk->parent);
val = readl_relaxed(PLL1_SYS);
val &= ~BM_PLL_SYS_DIV_SELECT;
val |= div << BP_PLL_SYS_DIV_SELECT;
writel_relaxed(val, PLL1_SYS);
return 0;
}
static unsigned long pll8_enet_get_rate(struct clk *clk)
{
u32 div = (readl_relaxed(PLL8_ENET) & BM_PLL_ENET_DIV_SELECT) >>
BP_PLL_ENET_DIV_SELECT;
switch (div) {
case 0:
return 25000000;
case 1:
return 50000000;
case 2:
return 100000000;
case 3:
return 125000000;
}
return 0;
}
static int pll8_enet_set_rate(struct clk *clk, unsigned long rate)
{
u32 val, div;
switch (rate) {
case 25000000:
div = 0;
break;
case 50000000:
div = 1;
break;
case 100000000:
div = 2;
break;
case 125000000:
div = 3;
break;
default:
return -EINVAL;
}
val = readl_relaxed(PLL8_ENET);
val &= ~BM_PLL_ENET_DIV_SELECT;
val |= div << BP_PLL_ENET_DIV_SELECT;
writel_relaxed(val, PLL8_ENET);
return 0;
}
static unsigned long pll_av_get_rate(struct clk *clk)
{
void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO;
unsigned long parent_rate = clk_get_rate(clk->parent);
u32 mfn = readl_relaxed(reg + PLL_NUM_OFFSET);
u32 mfd = readl_relaxed(reg + PLL_DENOM_OFFSET);
u32 div = (readl_relaxed(reg) & BM_PLL_AV_DIV_SELECT) >>
BP_PLL_AV_DIV_SELECT;
return (parent_rate * div) + ((parent_rate / mfd) * mfn);
}
static int pll_av_set_rate(struct clk *clk, unsigned long rate)
{
void __iomem *reg = (clk == &pll4_audio) ? PLL4_AUDIO : PLL5_VIDEO;
unsigned int parent_rate = clk_get_rate(clk->parent);
u32 val, div;
u32 mfn, mfd = 1000000;
s64 temp64;
if (rate < FREQ_650M || rate > FREQ_1300M)
return -EINVAL;
div = rate / parent_rate;
temp64 = (u64) (rate - div * parent_rate);
temp64 *= mfd;
do_div(temp64, parent_rate);
mfn = temp64;
val = readl_relaxed(reg);
val &= ~BM_PLL_AV_DIV_SELECT;
val |= div << BP_PLL_AV_DIV_SELECT;
writel_relaxed(val, reg);
writel_relaxed(mfn, reg + PLL_NUM_OFFSET);
writel_relaxed(mfd, reg + PLL_DENOM_OFFSET);
return 0;
}
static void __iomem *pll_get_div_reg_bit(struct clk *clk, u32 *bp, u32 *bm)
{
void __iomem *reg;
if (clk == &pll2_bus) {
reg = PLL2_BUS;
*bp = BP_PLL_BUS_DIV_SELECT;
*bm = BM_PLL_BUS_DIV_SELECT;
} else if (clk == &pll3_usb_otg) {
reg = PLL3_USB_OTG;
*bp = BP_PLL_USB_DIV_SELECT;
*bm = BM_PLL_USB_DIV_SELECT;
} else if (clk == &pll7_usb_host) {
reg = PLL7_USB_HOST;
*bp = BP_PLL_USB_DIV_SELECT;
*bm = BM_PLL_USB_DIV_SELECT;
} else {
BUG();
}
return reg;
}
static unsigned long pll_get_rate(struct clk *clk)
{
void __iomem *reg;
u32 div, bp, bm;
reg = pll_get_div_reg_bit(clk, &bp, &bm);
div = (readl_relaxed(reg) & bm) >> bp;
return (div == 1) ? clk_get_rate(clk->parent) * 22 :
clk_get_rate(clk->parent) * 20;
}
static int pll_set_rate(struct clk *clk, unsigned long rate)
{
void __iomem *reg;
u32 val, div, bp, bm;
if (rate == FREQ_528M)
div = 1;
else if (rate == FREQ_480M)
div = 0;
else
return -EINVAL;
reg = pll_get_div_reg_bit(clk, &bp, &bm);
val = readl_relaxed(reg);
val &= ~bm;
val |= div << bp;
writel_relaxed(val, reg);
return 0;
}
#define pll2_bus_get_rate pll_get_rate
#define pll2_bus_set_rate pll_set_rate
#define pll3_usb_otg_get_rate pll_get_rate
#define pll3_usb_otg_set_rate pll_set_rate
#define pll7_usb_host_get_rate pll_get_rate
#define pll7_usb_host_set_rate pll_set_rate
#define pll4_audio_get_rate pll_av_get_rate
#define pll4_audio_set_rate pll_av_set_rate
#define pll5_video_get_rate pll_av_get_rate
#define pll5_video_set_rate pll_av_set_rate
#define pll6_mlb_get_rate NULL
#define pll6_mlb_set_rate NULL
#define DEF_PLL(name) \
static struct clk name = { \
.enable = pll_enable, \
.disable = pll_disable, \
.get_rate = name##_get_rate, \
.set_rate = name##_set_rate, \
.parent = &osc_clk, \
}
DEF_PLL(pll1_sys);
DEF_PLL(pll2_bus);
DEF_PLL(pll3_usb_otg);
DEF_PLL(pll4_audio);
DEF_PLL(pll5_video);
DEF_PLL(pll6_mlb);
DEF_PLL(pll7_usb_host);
DEF_PLL(pll8_enet);
static unsigned long pfd_get_rate(struct clk *clk)
{
u64 tmp = (u64) clk_get_rate(clk->parent) * 18;
u32 frac, bp_frac;
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.enable(&apbh_dma_clk);
bp_frac = clk->enable_shift - 7;
frac = readl_relaxed(clk->enable_reg) >> bp_frac & PFD_FRAC_MASK;
do_div(tmp, frac);
return tmp;
}
static int pfd_set_rate(struct clk *clk, unsigned long rate)
{
u32 val, frac, bp_frac;
u64 tmp = (u64) clk_get_rate(clk->parent) * 18;
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.enable(&apbh_dma_clk);
/*
* Round up the divider so that we don't set a rate
* higher than what is requested
*/
tmp += rate / 2;
do_div(tmp, rate);
frac = tmp;
frac = (frac < 12) ? 12 : frac;
frac = (frac > 35) ? 35 : frac;
/*
* The frac field always starts from 7 bits lower
* position of enable bit
*/
bp_frac = clk->enable_shift - 7;
val = readl_relaxed(clk->enable_reg);
val &= ~(PFD_FRAC_MASK << bp_frac);
val |= frac << bp_frac;
writel_relaxed(val, clk->enable_reg);
tmp = (u64) clk_get_rate(clk->parent) * 18;
do_div(tmp, frac);
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.disable(&apbh_dma_clk);
return 0;
}
static unsigned long pfd_round_rate(struct clk *clk, unsigned long rate)
{
u32 frac;
u64 tmp;
tmp = (u64) clk_get_rate(clk->parent) * 18;
tmp += rate / 2;
do_div(tmp, rate);
frac = tmp;
frac = (frac < 12) ? 12 : frac;
frac = (frac > 35) ? 35 : frac;
tmp = (u64) clk_get_rate(clk->parent) * 18;
do_div(tmp, frac);
return tmp;
}
static int pfd_enable(struct clk *clk)
{
u32 val;
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.enable(&apbh_dma_clk);
val = readl_relaxed(clk->enable_reg);
val &= ~(1 << clk->enable_shift);
writel_relaxed(val, clk->enable_reg);
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.disable(&apbh_dma_clk);
return 0;
}
static void pfd_disable(struct clk *clk)
{
u32 val;
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.enable(&apbh_dma_clk);
val = readl_relaxed(clk->enable_reg);
val |= 1 << clk->enable_shift;
writel_relaxed(val, clk->enable_reg);
if (apbh_dma_clk.usecount == 0)
apbh_dma_clk.disable(&apbh_dma_clk);
}
#define DEF_PFD(name, er, es, p) \
static struct clk name = { \
.enable_reg = er, \
.enable_shift = es, \
.enable = pfd_enable, \
.disable = pfd_disable, \
.get_rate = pfd_get_rate, \
.set_rate = pfd_set_rate, \
.round_rate = pfd_round_rate, \
.parent = p, \
}
DEF_PFD(pll2_pfd_352m, PFD_528, PFD0, &pll2_bus);
DEF_PFD(pll2_pfd_594m, PFD_528, PFD1, &pll2_bus);
DEF_PFD(pll2_pfd_400m, PFD_528, PFD2, &pll2_bus);
DEF_PFD(pll3_pfd_720m, PFD_480, PFD0, &pll3_usb_otg);
DEF_PFD(pll3_pfd_540m, PFD_480, PFD1, &pll3_usb_otg);
DEF_PFD(pll3_pfd_508m, PFD_480, PFD2, &pll3_usb_otg);
DEF_PFD(pll3_pfd_454m, PFD_480, PFD3, &pll3_usb_otg);
static unsigned long pll2_200m_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 2;
}
static struct clk pll2_200m = {
.parent = &pll2_pfd_400m,
.get_rate = pll2_200m_get_rate,
};
static unsigned long pll3_120m_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 4;
}
static struct clk pll3_120m = {
.parent = &pll3_usb_otg,
.get_rate = pll3_120m_get_rate,
};
static unsigned long pll3_80m_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 6;
}
static struct clk pll3_80m = {
.parent = &pll3_usb_otg,
.get_rate = pll3_80m_get_rate,
};
static unsigned long pll3_60m_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 8;
}
static struct clk pll3_60m = {
.parent = &pll3_usb_otg,
.get_rate = pll3_60m_get_rate,
};
static int pll1_sw_clk_set_parent(struct clk *clk, struct clk *parent)
{
u32 val = readl_relaxed(CCSR);
if (parent == &pll1_sys) {
val &= ~BM_CCSR_PLL1_SW_SEL;
val &= ~BM_CCSR_STEP_SEL;
} else if (parent == &osc_clk) {
val |= BM_CCSR_PLL1_SW_SEL;
val &= ~BM_CCSR_STEP_SEL;
} else if (parent == &pll2_pfd_400m) {
val |= BM_CCSR_PLL1_SW_SEL;
val |= BM_CCSR_STEP_SEL;
} else {
return -EINVAL;
}
writel_relaxed(val, CCSR);
return 0;
}
static struct clk pll1_sw_clk = {
.parent = &pll1_sys,
.set_parent = pll1_sw_clk_set_parent,
};
static void calc_pred_podf_dividers(u32 div, u32 *pred, u32 *podf)
{
u32 min_pred, temp_pred, old_err, err;
if (div >= 512) {
*pred = 8;
*podf = 64;
} else if (div >= 8) {
min_pred = (div - 1) / 64 + 1;
old_err = 8;
for (temp_pred = 8; temp_pred >= min_pred; temp_pred--) {
err = div % temp_pred;
if (err == 0) {
*pred = temp_pred;
break;
}
err = temp_pred - err;
if (err < old_err) {
old_err = err;
*pred = temp_pred;
}
}
*podf = (div + *pred - 1) / *pred;
} else if (div < 8) {
*pred = div;
*podf = 1;
}
}
static int _clk_enable(struct clk *clk)
{
u32 reg;
reg = readl_relaxed(clk->enable_reg);
reg |= 0x3 << clk->enable_shift;
writel_relaxed(reg, clk->enable_reg);
return 0;
}
static void _clk_disable(struct clk *clk)
{
u32 reg;
reg = readl_relaxed(clk->enable_reg);
reg &= ~(0x3 << clk->enable_shift);
writel_relaxed(reg, clk->enable_reg);
}
struct divider {
struct clk *clk;
void __iomem *reg;
u32 bp_pred;
u32 bm_pred;
u32 bp_podf;
u32 bm_podf;
};
#define DEF_CLK_DIV1(d, c, r, b) \
static struct divider d = { \
.clk = c, \
.reg = r, \
.bp_podf = BP_##r##_##b##_PODF, \
.bm_podf = BM_##r##_##b##_PODF, \
}
DEF_CLK_DIV1(arm_div, &arm_clk, CACRR, ARM);
DEF_CLK_DIV1(ipg_div, &ipg_clk, CBCDR, IPG);
DEF_CLK_DIV1(ahb_div, &ahb_clk, CBCDR, AHB);
DEF_CLK_DIV1(axi_div, &axi_clk, CBCDR, AXI);
DEF_CLK_DIV1(mmdc_ch0_axi_div, &mmdc_ch0_axi_clk, CBCDR, MMDC_CH0_AXI);
DEF_CLK_DIV1(mmdc_ch1_axi_div, &mmdc_ch1_axi_clk, CBCDR, MMDC_CH1_AXI);
DEF_CLK_DIV1(periph_clk2_div, &periph_clk2_clk, CBCDR, PERIPH_CLK2);
DEF_CLK_DIV1(periph2_clk2_div, &periph2_clk2_clk, CBCDR, PERIPH2_CLK2);
DEF_CLK_DIV1(gpu2d_core_div, &gpu2d_core_clk, CBCMR, GPU2D_CORE);
DEF_CLK_DIV1(gpu3d_core_div, &gpu3d_core_clk, CBCMR, GPU3D_CORE);
DEF_CLK_DIV1(gpu3d_shader_div, &gpu3d_shader_clk, CBCMR, GPU3D_SHADER);
DEF_CLK_DIV1(ipg_perclk_div, &ipg_perclk, CSCMR1, PERCLK);
DEF_CLK_DIV1(emi_div, &emi_clk, CSCMR1, EMI);
DEF_CLK_DIV1(emi_slow_div, &emi_slow_clk, CSCMR1, EMI_SLOW);
DEF_CLK_DIV1(can_div, &can1_clk, CSCMR2, CAN);
DEF_CLK_DIV1(uart_div, &uart_clk, CSCDR1, UART);
DEF_CLK_DIV1(usdhc1_div, &usdhc1_clk, CSCDR1, USDHC1);
DEF_CLK_DIV1(usdhc2_div, &usdhc2_clk, CSCDR1, USDHC2);
DEF_CLK_DIV1(usdhc3_div, &usdhc3_clk, CSCDR1, USDHC3);
DEF_CLK_DIV1(usdhc4_div, &usdhc4_clk, CSCDR1, USDHC4);
DEF_CLK_DIV1(vpu_div, &vpu_clk, CSCDR1, VPU_AXI);
DEF_CLK_DIV1(hsi_tx_div, &hsi_tx_clk, CDCDR, HSI_TX);
DEF_CLK_DIV1(ipu1_di0_pre_div, &ipu1_di0_pre_clk, CHSCCDR, IPU1_DI0_PRE);
DEF_CLK_DIV1(ipu1_di1_pre_div, &ipu1_di1_pre_clk, CHSCCDR, IPU1_DI1_PRE);
DEF_CLK_DIV1(ipu2_di0_pre_div, &ipu2_di0_pre_clk, CSCDR2, IPU2_DI0_PRE);
DEF_CLK_DIV1(ipu2_di1_pre_div, &ipu2_di1_pre_clk, CSCDR2, IPU2_DI1_PRE);
DEF_CLK_DIV1(ipu1_div, &ipu1_clk, CSCDR3, IPU1_HSP);
DEF_CLK_DIV1(ipu2_div, &ipu2_clk, CSCDR3, IPU2_HSP);
#define DEF_CLK_DIV2(d, c, r, b) \
static struct divider d = { \
.clk = c, \
.reg = r, \
.bp_pred = BP_##r##_##b##_PRED, \
.bm_pred = BM_##r##_##b##_PRED, \
.bp_podf = BP_##r##_##b##_PODF, \
.bm_podf = BM_##r##_##b##_PODF, \
}
DEF_CLK_DIV2(ssi1_div, &ssi1_clk, CS1CDR, SSI1);
DEF_CLK_DIV2(ssi3_div, &ssi3_clk, CS1CDR, SSI3);
DEF_CLK_DIV2(esai_div, &esai_clk, CS1CDR, ESAI);
DEF_CLK_DIV2(ssi2_div, &ssi2_clk, CS2CDR, SSI2);
DEF_CLK_DIV2(enfc_div, &enfc_clk, CS2CDR, ENFC);
DEF_CLK_DIV2(spdif_div, &spdif_clk, CDCDR, SPDIF);
DEF_CLK_DIV2(asrc_serial_div, &asrc_serial_clk, CDCDR, ASRC_SERIAL);
static struct divider *dividers[] = {
&arm_div,
&ipg_div,
&ahb_div,
&axi_div,
&mmdc_ch0_axi_div,
&mmdc_ch1_axi_div,
&periph_clk2_div,
&periph2_clk2_div,
&gpu2d_core_div,
&gpu3d_core_div,
&gpu3d_shader_div,
&ipg_perclk_div,
&emi_div,
&emi_slow_div,
&can_div,
&uart_div,
&usdhc1_div,
&usdhc2_div,
&usdhc3_div,
&usdhc4_div,
&vpu_div,
&hsi_tx_div,
&ipu1_di0_pre_div,
&ipu1_di1_pre_div,
&ipu2_di0_pre_div,
&ipu2_di1_pre_div,
&ipu1_div,
&ipu2_div,
&ssi1_div,
&ssi3_div,
&esai_div,
&ssi2_div,
&enfc_div,
&spdif_div,
&asrc_serial_div,
};
static unsigned long ldb_di_clk_get_rate(struct clk *clk)
{
u32 val = readl_relaxed(CSCMR2);
val &= (clk == &ldb_di0_clk) ? BM_CSCMR2_LDB_DI0_IPU_DIV :
BM_CSCMR2_LDB_DI1_IPU_DIV;
if (val)
return clk_get_rate(clk->parent) / 7;
else
return clk_get_rate(clk->parent) * 2 / 7;
}
static int ldb_di_clk_set_rate(struct clk *clk, unsigned long rate)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
u32 val = readl_relaxed(CSCMR2);
if (rate * 7 <= parent_rate + parent_rate / 20)
val |= BM_CSCMR2_LDB_DI0_IPU_DIV;
else
val &= ~BM_CSCMR2_LDB_DI0_IPU_DIV;
writel_relaxed(val, CSCMR2);
return 0;
}
static unsigned long ldb_di_clk_round_rate(struct clk *clk, unsigned long rate)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
if (rate * 7 <= parent_rate + parent_rate / 20)
return parent_rate / 7;
else
return 2 * parent_rate / 7;
}
static unsigned long _clk_get_rate(struct clk *clk)
{
struct divider *d;
u32 val, pred, podf;
int i, num;
if (clk == &ldb_di0_clk || clk == &ldb_di1_clk)
return ldb_di_clk_get_rate(clk);
num = ARRAY_SIZE(dividers);
for (i = 0; i < num; i++)
if (dividers[i]->clk == clk) {
d = dividers[i];
break;
}
if (i == num)
return clk_get_rate(clk->parent);
val = readl_relaxed(d->reg);
pred = ((val & d->bm_pred) >> d->bp_pred) + 1;
podf = ((val & d->bm_podf) >> d->bp_podf) + 1;
return clk_get_rate(clk->parent) / (pred * podf);
}
static int clk_busy_wait(struct clk *clk)
{
int timeout = 0x100000;
u32 bm;
if (clk == &axi_clk)
bm = BM_CDHIPR_AXI_PODF_BUSY;
else if (clk == &ahb_clk)
bm = BM_CDHIPR_AHB_PODF_BUSY;
else if (clk == &mmdc_ch0_axi_clk)
bm = BM_CDHIPR_MMDC_CH0_PODF_BUSY;
else if (clk == &periph_clk)
bm = BM_CDHIPR_PERIPH_SEL_BUSY;
else if (clk == &arm_clk)
bm = BM_CDHIPR_ARM_PODF_BUSY;
else
return -EINVAL;
while ((readl_relaxed(CDHIPR) & bm) && --timeout)
cpu_relax();
if (unlikely(!timeout))
return -EBUSY;
return 0;
}
static int _clk_set_rate(struct clk *clk, unsigned long rate)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
struct divider *d;
u32 val, div, max_div, pred = 0, podf;
int i, num;
if (clk == &ldb_di0_clk || clk == &ldb_di1_clk)
return ldb_di_clk_set_rate(clk, rate);
num = ARRAY_SIZE(dividers);
for (i = 0; i < num; i++)
if (dividers[i]->clk == clk) {
d = dividers[i];
break;
}
if (i == num)
return -EINVAL;
max_div = ((d->bm_pred >> d->bp_pred) + 1) *
((d->bm_pred >> d->bp_pred) + 1);
div = parent_rate / rate;
if (div == 0)
div++;
if ((parent_rate / div != rate) || div > max_div)
return -EINVAL;
if (d->bm_pred) {
calc_pred_podf_dividers(div, &pred, &podf);
} else {
pred = 1;
podf = div;
}
val = readl_relaxed(d->reg);
val &= ~(d->bm_pred | d->bm_podf);
val |= (pred - 1) << d->bp_pred | (podf - 1) << d->bp_podf;
writel_relaxed(val, d->reg);
if (clk == &axi_clk || clk == &ahb_clk ||
clk == &mmdc_ch0_axi_clk || clk == &arm_clk)
return clk_busy_wait(clk);
return 0;
}
static unsigned long _clk_round_rate(struct clk *clk, unsigned long rate)
{
unsigned long parent_rate = clk_get_rate(clk->parent);
u32 div = parent_rate / rate;
u32 div_max, pred = 0, podf;
struct divider *d;
int i, num;
if (clk == &ldb_di0_clk || clk == &ldb_di1_clk)
return ldb_di_clk_round_rate(clk, rate);
num = ARRAY_SIZE(dividers);
for (i = 0; i < num; i++)
if (dividers[i]->clk == clk) {
d = dividers[i];
break;
}
if (i == num)
return -EINVAL;
if (div == 0 || parent_rate % rate)
div++;
if (d->bm_pred) {
calc_pred_podf_dividers(div, &pred, &podf);
div = pred * podf;
} else {
div_max = (d->bm_podf >> d->bp_podf) + 1;
if (div > div_max)
div = div_max;
}
return parent_rate / div;
}
struct multiplexer {
struct clk *clk;
void __iomem *reg;
u32 bp;
u32 bm;
int pnum;
struct clk *parents[];
};
static struct multiplexer axi_mux = {
.clk = &axi_clk,
.reg = CBCDR,
.bp = BP_CBCDR_AXI_SEL,
.bm = BM_CBCDR_AXI_SEL,
.parents = {
&periph_clk,
&pll2_pfd_400m,
&pll3_pfd_540m,
NULL
},
};
static struct multiplexer periph_mux = {
.clk = &periph_clk,
.reg = CBCDR,
.bp = BP_CBCDR_PERIPH_CLK_SEL,
.bm = BM_CBCDR_PERIPH_CLK_SEL,
.parents = {
&periph_pre_clk,
&periph_clk2_clk,
NULL
},
};
static struct multiplexer periph_pre_mux = {
.clk = &periph_pre_clk,
.reg = CBCMR,
.bp = BP_CBCMR_PRE_PERIPH_CLK_SEL,
.bm = BM_CBCMR_PRE_PERIPH_CLK_SEL,
.parents = {
&pll2_bus,
&pll2_pfd_400m,
&pll2_pfd_352m,
&pll2_200m,
NULL
},
};
static struct multiplexer periph_clk2_mux = {
.clk = &periph_clk2_clk,
.reg = CBCMR,
.bp = BP_CBCMR_PERIPH_CLK2_SEL,
.bm = BM_CBCMR_PERIPH_CLK2_SEL,
.parents = {
&pll3_usb_otg,
&osc_clk,
NULL
},
};
static struct multiplexer periph2_mux = {
.clk = &periph2_clk,
.reg = CBCDR,
.bp = BP_CBCDR_PERIPH2_CLK_SEL,
.bm = BM_CBCDR_PERIPH2_CLK_SEL,
.parents = {
&periph2_pre_clk,
&periph2_clk2_clk,
NULL
},
};
static struct multiplexer periph2_pre_mux = {
.clk = &periph2_pre_clk,
.reg = CBCMR,
.bp = BP_CBCMR_PRE_PERIPH2_CLK_SEL,
.bm = BM_CBCMR_PRE_PERIPH2_CLK_SEL,
.parents = {
&pll2_bus,
&pll2_pfd_400m,
&pll2_pfd_352m,
&pll2_200m,
NULL
},
};
static struct multiplexer periph2_clk2_mux = {
.clk = &periph2_clk2_clk,
.reg = CBCMR,
.bp = BP_CBCMR_PERIPH2_CLK2_SEL,
.bm = BM_CBCMR_PERIPH2_CLK2_SEL,
.parents = {
&pll3_usb_otg,
&osc_clk,
NULL
},
};
static struct multiplexer gpu2d_axi_mux = {
.clk = &gpu2d_axi_clk,
.reg = CBCMR,
.bp = BP_CBCMR_GPU2D_AXI_SEL,
.bm = BM_CBCMR_GPU2D_AXI_SEL,
.parents = {
&axi_clk,
&ahb_clk,
NULL
},
};
static struct multiplexer gpu3d_axi_mux = {
.clk = &gpu3d_axi_clk,
.reg = CBCMR,
.bp = BP_CBCMR_GPU3D_AXI_SEL,
.bm = BM_CBCMR_GPU3D_AXI_SEL,
.parents = {
&axi_clk,
&ahb_clk,
NULL
},
};
static struct multiplexer gpu3d_core_mux = {
.clk = &gpu3d_core_clk,
.reg = CBCMR,
.bp = BP_CBCMR_GPU3D_CORE_SEL,
.bm = BM_CBCMR_GPU3D_CORE_SEL,
.parents = {
&mmdc_ch0_axi_clk,
&pll3_usb_otg,
&pll2_pfd_594m,
&pll2_pfd_400m,
NULL
},
};
static struct multiplexer gpu3d_shader_mux = {
.clk = &gpu3d_shader_clk,
.reg = CBCMR,
.bp = BP_CBCMR_GPU3D_SHADER_SEL,
.bm = BM_CBCMR_GPU3D_SHADER_SEL,
.parents = {
&mmdc_ch0_axi_clk,
&pll3_usb_otg,
&pll2_pfd_594m,
&pll3_pfd_720m,
NULL
},
};
static struct multiplexer pcie_axi_mux = {
.clk = &pcie_clk,
.reg = CBCMR,
.bp = BP_CBCMR_PCIE_AXI_SEL,
.bm = BM_CBCMR_PCIE_AXI_SEL,
.parents = {
&axi_clk,
&ahb_clk,
NULL
},
};
static struct multiplexer vdo_axi_mux = {
.clk = &vdo_axi_clk,
.reg = CBCMR,
.bp = BP_CBCMR_VDO_AXI_SEL,
.bm = BM_CBCMR_VDO_AXI_SEL,
.parents = {
&axi_clk,
&ahb_clk,
NULL
},
};
static struct multiplexer vpu_axi_mux = {
.clk = &vpu_clk,
.reg = CBCMR,
.bp = BP_CBCMR_VPU_AXI_SEL,
.bm = BM_CBCMR_VPU_AXI_SEL,
.parents = {
&axi_clk,
&pll2_pfd_400m,
&pll2_pfd_352m,
NULL
},
};
static struct multiplexer gpu2d_core_mux = {
.clk = &gpu2d_core_clk,
.reg = CBCMR,
.bp = BP_CBCMR_GPU2D_CORE_SEL,
.bm = BM_CBCMR_GPU2D_CORE_SEL,
.parents = {
&axi_clk,
&pll3_usb_otg,
&pll2_pfd_352m,
&pll2_pfd_400m,
NULL
},
};
#define DEF_SSI_MUX(id) \
static struct multiplexer ssi##id##_mux = { \
.clk = &ssi##id##_clk, \
.reg = CSCMR1, \
.bp = BP_CSCMR1_SSI##id##_SEL, \
.bm = BM_CSCMR1_SSI##id##_SEL, \
.parents = { \
&pll3_pfd_508m, \
&pll3_pfd_454m, \
&pll4_audio, \
NULL \
}, \
}
DEF_SSI_MUX(1);
DEF_SSI_MUX(2);
DEF_SSI_MUX(3);
#define DEF_USDHC_MUX(id) \
static struct multiplexer usdhc##id##_mux = { \
.clk = &usdhc##id##_clk, \
.reg = CSCMR1, \
.bp = BP_CSCMR1_USDHC##id##_SEL, \
.bm = BM_CSCMR1_USDHC##id##_SEL, \
.parents = { \
&pll2_pfd_400m, \
&pll2_pfd_352m, \
NULL \
}, \
}
DEF_USDHC_MUX(1);
DEF_USDHC_MUX(2);
DEF_USDHC_MUX(3);
DEF_USDHC_MUX(4);
static struct multiplexer emi_mux = {
.clk = &emi_clk,
.reg = CSCMR1,
.bp = BP_CSCMR1_EMI_SEL,
.bm = BM_CSCMR1_EMI_SEL,
.parents = {
&axi_clk,
&pll3_usb_otg,
&pll2_pfd_400m,
&pll2_pfd_352m,
NULL
},
};
static struct multiplexer emi_slow_mux = {
.clk = &emi_slow_clk,
.reg = CSCMR1,
.bp = BP_CSCMR1_EMI_SLOW_SEL,
.bm = BM_CSCMR1_EMI_SLOW_SEL,
.parents = {
&axi_clk,
&pll3_usb_otg,
&pll2_pfd_400m,
&pll2_pfd_352m,
NULL
},
};
static struct multiplexer esai_mux = {
.clk = &esai_clk,
.reg = CSCMR2,
.bp = BP_CSCMR2_ESAI_SEL,
.bm = BM_CSCMR2_ESAI_SEL,
.parents = {
&pll4_audio,
&pll3_pfd_508m,
&pll3_pfd_454m,
&pll3_usb_otg,
NULL
},
};
#define DEF_LDB_DI_MUX(id) \
static struct multiplexer ldb_di##id##_mux = { \
.clk = &ldb_di##id##_clk, \
.reg = CS2CDR, \
.bp = BP_CS2CDR_LDB_DI##id##_SEL, \
.bm = BM_CS2CDR_LDB_DI##id##_SEL, \
.parents = { \
&pll5_video, \
&pll2_pfd_352m, \
&pll2_pfd_400m, \
&pll3_pfd_540m, \
&pll3_usb_otg, \
NULL \
}, \
}
DEF_LDB_DI_MUX(0);
DEF_LDB_DI_MUX(1);
static struct multiplexer enfc_mux = {
.clk = &enfc_clk,
.reg = CS2CDR,
.bp = BP_CS2CDR_ENFC_SEL,
.bm = BM_CS2CDR_ENFC_SEL,
.parents = {
&pll2_pfd_352m,
&pll2_bus,
&pll3_usb_otg,
&pll2_pfd_400m,
NULL
},
};
static struct multiplexer spdif_mux = {
.clk = &spdif_clk,
.reg = CDCDR,
.bp = BP_CDCDR_SPDIF_SEL,
.bm = BM_CDCDR_SPDIF_SEL,
.parents = {
&pll4_audio,
&pll3_pfd_508m,
&pll3_pfd_454m,
&pll3_usb_otg,
NULL
},
};
static struct multiplexer asrc_serial_mux = {
.clk = &asrc_serial_clk,
.reg = CDCDR,
.bp = BP_CDCDR_ASRC_SERIAL_SEL,
.bm = BM_CDCDR_ASRC_SERIAL_SEL,
.parents = {
&pll4_audio,
&pll3_pfd_508m,
&pll3_pfd_454m,
&pll3_usb_otg,
NULL
},
};
static struct multiplexer hsi_tx_mux = {
.clk = &hsi_tx_clk,
.reg = CDCDR,
.bp = BP_CDCDR_HSI_TX_SEL,
.bm = BM_CDCDR_HSI_TX_SEL,
.parents = {
&pll3_120m,
&pll2_pfd_400m,
NULL
},
};
#define DEF_IPU_DI_PRE_MUX(r, i, d) \
static struct multiplexer ipu##i##_di##d##_pre_mux = { \
.clk = &ipu##i##_di##d##_pre_clk, \
.reg = r, \
.bp = BP_##r##_IPU##i##_DI##d##_PRE_SEL, \
.bm = BM_##r##_IPU##i##_DI##d##_PRE_SEL, \
.parents = { \
&mmdc_ch0_axi_clk, \
&pll3_usb_otg, \
&pll5_video, \
&pll2_pfd_352m, \
&pll2_pfd_400m, \
&pll3_pfd_540m, \
NULL \
}, \
}
DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 0);
DEF_IPU_DI_PRE_MUX(CHSCCDR, 1, 1);
DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 0);
DEF_IPU_DI_PRE_MUX(CSCDR2, 2, 1);
#define DEF_IPU_DI_MUX(r, i, d) \
static struct multiplexer ipu##i##_di##d##_mux = { \
.clk = &ipu##i##_di##d##_clk, \
.reg = r, \
.bp = BP_##r##_IPU##i##_DI##d##_SEL, \
.bm = BM_##r##_IPU##i##_DI##d##_SEL, \
.parents = { \
&ipu##i##_di##d##_pre_clk, \
&dummy_clk, \
&dummy_clk, \
&ldb_di0_clk, \
&ldb_di1_clk, \
NULL \
}, \
}
DEF_IPU_DI_MUX(CHSCCDR, 1, 0);
DEF_IPU_DI_MUX(CHSCCDR, 1, 1);
DEF_IPU_DI_MUX(CSCDR2, 2, 0);
DEF_IPU_DI_MUX(CSCDR2, 2, 1);
#define DEF_IPU_MUX(id) \
static struct multiplexer ipu##id##_mux = { \
.clk = &ipu##id##_clk, \
.reg = CSCDR3, \
.bp = BP_CSCDR3_IPU##id##_HSP_SEL, \
.bm = BM_CSCDR3_IPU##id##_HSP_SEL, \
.parents = { \
&mmdc_ch0_axi_clk, \
&pll2_pfd_400m, \
&pll3_120m, \
&pll3_pfd_540m, \
NULL \
}, \
}
DEF_IPU_MUX(1);
DEF_IPU_MUX(2);
static struct multiplexer *multiplexers[] = {
&axi_mux,
&periph_mux,
&periph_pre_mux,
&periph_clk2_mux,
&periph2_mux,
&periph2_pre_mux,
&periph2_clk2_mux,
&gpu2d_axi_mux,
&gpu3d_axi_mux,
&gpu3d_core_mux,
&gpu3d_shader_mux,
&pcie_axi_mux,
&vdo_axi_mux,
&vpu_axi_mux,
&gpu2d_core_mux,
&ssi1_mux,
&ssi2_mux,
&ssi3_mux,
&usdhc1_mux,
&usdhc2_mux,
&usdhc3_mux,
&usdhc4_mux,
&emi_mux,
&emi_slow_mux,
&esai_mux,
&ldb_di0_mux,
&ldb_di1_mux,
&enfc_mux,
&spdif_mux,
&asrc_serial_mux,
&hsi_tx_mux,
&ipu1_di0_pre_mux,
&ipu1_di0_mux,
&ipu1_di1_pre_mux,
&ipu1_di1_mux,
&ipu2_di0_pre_mux,
&ipu2_di0_mux,
&ipu2_di1_pre_mux,
&ipu2_di1_mux,
&ipu1_mux,
&ipu2_mux,
};
static int _clk_set_parent(struct clk *clk, struct clk *parent)
{
struct multiplexer *m;
int i, num;
u32 val;
num = ARRAY_SIZE(multiplexers);
for (i = 0; i < num; i++)
if (multiplexers[i]->clk == clk) {
m = multiplexers[i];
break;
}
if (i == num)
return -EINVAL;
i = 0;
while (m->parents[i]) {
if (parent == m->parents[i])
break;
i++;
}
if (!m->parents[i])
return -EINVAL;
val = readl_relaxed(m->reg);
val &= ~m->bm;
val |= i << m->bp;
writel_relaxed(val, m->reg);
if (clk == &periph_clk)
return clk_busy_wait(clk);
return 0;
}
#define DEF_NG_CLK(name, p) \
static struct clk name = { \
.get_rate = _clk_get_rate, \
.set_rate = _clk_set_rate, \
.round_rate = _clk_round_rate, \
.set_parent = _clk_set_parent, \
.parent = p, \
}
DEF_NG_CLK(periph_clk2_clk, &osc_clk);
DEF_NG_CLK(periph_pre_clk, &pll2_bus);
DEF_NG_CLK(periph_clk, &periph_pre_clk);
DEF_NG_CLK(periph2_clk2_clk, &osc_clk);
DEF_NG_CLK(periph2_pre_clk, &pll2_bus);
DEF_NG_CLK(periph2_clk, &periph2_pre_clk);
DEF_NG_CLK(axi_clk, &periph_clk);
DEF_NG_CLK(emi_clk, &axi_clk);
DEF_NG_CLK(arm_clk, &pll1_sw_clk);
DEF_NG_CLK(ahb_clk, &periph_clk);
DEF_NG_CLK(ipg_clk, &ahb_clk);
DEF_NG_CLK(ipg_perclk, &ipg_clk);
DEF_NG_CLK(ipu1_di0_pre_clk, &pll3_pfd_540m);
DEF_NG_CLK(ipu1_di1_pre_clk, &pll3_pfd_540m);
DEF_NG_CLK(ipu2_di0_pre_clk, &pll3_pfd_540m);
DEF_NG_CLK(ipu2_di1_pre_clk, &pll3_pfd_540m);
DEF_NG_CLK(asrc_serial_clk, &pll3_usb_otg);
#define DEF_CLK(name, er, es, p, s) \
static struct clk name = { \
.enable_reg = er, \
.enable_shift = es, \
.enable = _clk_enable, \
.disable = _clk_disable, \
.get_rate = _clk_get_rate, \
.set_rate = _clk_set_rate, \
.round_rate = _clk_round_rate, \
.set_parent = _clk_set_parent, \
.parent = p, \
.secondary = s, \
}
DEF_CLK(aips_tz1_clk, CCGR0, CG0, &ahb_clk, NULL);
DEF_CLK(aips_tz2_clk, CCGR0, CG1, &ahb_clk, NULL);
DEF_CLK(apbh_dma_clk, CCGR0, CG2, &ahb_clk, NULL);
DEF_CLK(asrc_clk, CCGR0, CG3, &pll4_audio, NULL);
DEF_CLK(can1_serial_clk, CCGR0, CG8, &pll3_usb_otg, NULL);
DEF_CLK(can1_clk, CCGR0, CG7, &pll3_usb_otg, &can1_serial_clk);
DEF_CLK(can2_serial_clk, CCGR0, CG10, &pll3_usb_otg, NULL);
DEF_CLK(can2_clk, CCGR0, CG9, &pll3_usb_otg, &can2_serial_clk);
DEF_CLK(ecspi1_clk, CCGR1, CG0, &pll3_60m, NULL);
DEF_CLK(ecspi2_clk, CCGR1, CG1, &pll3_60m, NULL);
DEF_CLK(ecspi3_clk, CCGR1, CG2, &pll3_60m, NULL);
DEF_CLK(ecspi4_clk, CCGR1, CG3, &pll3_60m, NULL);
DEF_CLK(ecspi5_clk, CCGR1, CG4, &pll3_60m, NULL);
DEF_CLK(enet_clk, CCGR1, CG5, &ipg_clk, NULL);
DEF_CLK(esai_clk, CCGR1, CG8, &pll3_usb_otg, NULL);
DEF_CLK(gpt_serial_clk, CCGR1, CG11, &ipg_perclk, NULL);
DEF_CLK(gpt_clk, CCGR1, CG10, &ipg_perclk, &gpt_serial_clk);
DEF_CLK(gpu2d_core_clk, CCGR1, CG12, &pll2_pfd_352m, &gpu2d_axi_clk);
DEF_CLK(gpu3d_core_clk, CCGR1, CG13, &pll2_pfd_594m, &gpu3d_axi_clk);
DEF_CLK(gpu3d_shader_clk, CCGR1, CG13, &pll3_pfd_720m, &gpu3d_axi_clk);
DEF_CLK(hdmi_iahb_clk, CCGR2, CG0, &ahb_clk, NULL);
DEF_CLK(hdmi_isfr_clk, CCGR2, CG2, &pll3_pfd_540m, &hdmi_iahb_clk);
DEF_CLK(i2c1_clk, CCGR2, CG3, &ipg_perclk, NULL);
DEF_CLK(i2c2_clk, CCGR2, CG4, &ipg_perclk, NULL);
DEF_CLK(i2c3_clk, CCGR2, CG5, &ipg_perclk, NULL);
DEF_CLK(iim_clk, CCGR2, CG6, &ipg_clk, NULL);
DEF_CLK(enfc_clk, CCGR2, CG7, &pll2_pfd_352m, NULL);
DEF_CLK(ipu1_clk, CCGR3, CG0, &mmdc_ch0_axi_clk, NULL);
DEF_CLK(ipu1_di0_clk, CCGR3, CG1, &ipu1_di0_pre_clk, NULL);
DEF_CLK(ipu1_di1_clk, CCGR3, CG2, &ipu1_di1_pre_clk, NULL);
DEF_CLK(ipu2_clk, CCGR3, CG3, &mmdc_ch0_axi_clk, NULL);
DEF_CLK(ipu2_di0_clk, CCGR3, CG4, &ipu2_di0_pre_clk, NULL);
DEF_CLK(ipu2_di1_clk, CCGR3, CG5, &ipu2_di1_pre_clk, NULL);
DEF_CLK(ldb_di0_clk, CCGR3, CG6, &pll3_pfd_540m, NULL);
DEF_CLK(ldb_di1_clk, CCGR3, CG7, &pll3_pfd_540m, NULL);
DEF_CLK(hsi_tx_clk, CCGR3, CG8, &pll2_pfd_400m, NULL);
DEF_CLK(mlb_clk, CCGR3, CG9, &pll6_mlb, NULL);
DEF_CLK(mmdc_ch0_ipg_clk, CCGR3, CG12, &ipg_clk, NULL);
DEF_CLK(mmdc_ch0_axi_clk, CCGR3, CG10, &periph_clk, &mmdc_ch0_ipg_clk);
DEF_CLK(mmdc_ch1_ipg_clk, CCGR3, CG13, &ipg_clk, NULL);
DEF_CLK(mmdc_ch1_axi_clk, CCGR3, CG11, &periph2_clk, &mmdc_ch1_ipg_clk);
DEF_CLK(openvg_axi_clk, CCGR3, CG13, &axi_clk, NULL);
DEF_CLK(pwm1_clk, CCGR4, CG8, &ipg_perclk, NULL);
DEF_CLK(pwm2_clk, CCGR4, CG9, &ipg_perclk, NULL);
DEF_CLK(pwm3_clk, CCGR4, CG10, &ipg_perclk, NULL);
DEF_CLK(pwm4_clk, CCGR4, CG11, &ipg_perclk, NULL);
DEF_CLK(gpmi_bch_apb_clk, CCGR4, CG12, &usdhc3_clk, NULL);
DEF_CLK(gpmi_bch_clk, CCGR4, CG13, &usdhc4_clk, &gpmi_bch_apb_clk);
DEF_CLK(gpmi_apb_clk, CCGR4, CG15, &usdhc3_clk, &gpmi_bch_clk);
DEF_CLK(gpmi_io_clk, CCGR4, CG14, &enfc_clk, &gpmi_apb_clk);
DEF_CLK(sdma_clk, CCGR5, CG3, &ahb_clk, NULL);
DEF_CLK(spba_clk, CCGR5, CG6, &ipg_clk, NULL);
DEF_CLK(spdif_clk, CCGR5, CG7, &pll3_usb_otg, &spba_clk);
DEF_CLK(ssi1_clk, CCGR5, CG9, &pll3_pfd_508m, NULL);
DEF_CLK(ssi2_clk, CCGR5, CG10, &pll3_pfd_508m, NULL);
DEF_CLK(ssi3_clk, CCGR5, CG11, &pll3_pfd_508m, NULL);
DEF_CLK(uart_serial_clk, CCGR5, CG13, &pll3_usb_otg, NULL);
DEF_CLK(uart_clk, CCGR5, CG12, &pll3_80m, &uart_serial_clk);
DEF_CLK(usboh3_clk, CCGR6, CG0, &ipg_clk, NULL);
DEF_CLK(usdhc1_clk, CCGR6, CG1, &pll2_pfd_400m, NULL);
DEF_CLK(usdhc2_clk, CCGR6, CG2, &pll2_pfd_400m, NULL);
DEF_CLK(usdhc3_clk, CCGR6, CG3, &pll2_pfd_400m, NULL);
DEF_CLK(usdhc4_clk, CCGR6, CG4, &pll2_pfd_400m, NULL);
DEF_CLK(emi_slow_clk, CCGR6, CG5, &axi_clk, NULL);
DEF_CLK(vdo_axi_clk, CCGR6, CG6, &axi_clk, NULL);
DEF_CLK(vpu_clk, CCGR6, CG7, &axi_clk, NULL);
static int pcie_clk_enable(struct clk *clk)
{
u32 val;
val = readl_relaxed(PLL8_ENET);
val |= BM_PLL_ENET_EN_PCIE;
writel_relaxed(val, PLL8_ENET);
return _clk_enable(clk);
}
static void pcie_clk_disable(struct clk *clk)
{
u32 val;
_clk_disable(clk);
val = readl_relaxed(PLL8_ENET);
val &= BM_PLL_ENET_EN_PCIE;
writel_relaxed(val, PLL8_ENET);
}
static struct clk pcie_clk = {
.enable_reg = CCGR4,
.enable_shift = CG0,
.enable = pcie_clk_enable,
.disable = pcie_clk_disable,
.set_parent = _clk_set_parent,
.parent = &axi_clk,
.secondary = &pll8_enet,
};
static int sata_clk_enable(struct clk *clk)
{
u32 val;
val = readl_relaxed(PLL8_ENET);
val |= BM_PLL_ENET_EN_SATA;
writel_relaxed(val, PLL8_ENET);
return _clk_enable(clk);
}
static void sata_clk_disable(struct clk *clk)
{
u32 val;
_clk_disable(clk);
val = readl_relaxed(PLL8_ENET);
val &= BM_PLL_ENET_EN_SATA;
writel_relaxed(val, PLL8_ENET);
}
static struct clk sata_clk = {
.enable_reg = CCGR5,
.enable_shift = CG2,
.enable = sata_clk_enable,
.disable = sata_clk_disable,
.parent = &ipg_clk,
.secondary = &pll8_enet,
};
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
.con_id = n, \
.clk = &c, \
}
static struct clk_lookup lookups[] = {
_REGISTER_CLOCK("2020000.uart", NULL, uart_clk),
_REGISTER_CLOCK("21e8000.uart", NULL, uart_clk),
_REGISTER_CLOCK("21ec000.uart", NULL, uart_clk),
_REGISTER_CLOCK("21f0000.uart", NULL, uart_clk),
_REGISTER_CLOCK("21f4000.uart", NULL, uart_clk),
_REGISTER_CLOCK("2188000.enet", NULL, enet_clk),
_REGISTER_CLOCK("2190000.usdhc", NULL, usdhc1_clk),
_REGISTER_CLOCK("2194000.usdhc", NULL, usdhc2_clk),
_REGISTER_CLOCK("2198000.usdhc", NULL, usdhc3_clk),
_REGISTER_CLOCK("219c000.usdhc", NULL, usdhc4_clk),
_REGISTER_CLOCK("21a0000.i2c", NULL, i2c1_clk),
_REGISTER_CLOCK("21a4000.i2c", NULL, i2c2_clk),
_REGISTER_CLOCK("21a8000.i2c", NULL, i2c3_clk),
_REGISTER_CLOCK("2008000.ecspi", NULL, ecspi1_clk),
_REGISTER_CLOCK("200c000.ecspi", NULL, ecspi2_clk),
_REGISTER_CLOCK("2010000.ecspi", NULL, ecspi3_clk),
_REGISTER_CLOCK("2014000.ecspi", NULL, ecspi4_clk),
_REGISTER_CLOCK("2018000.ecspi", NULL, ecspi5_clk),
_REGISTER_CLOCK("20ec000.sdma", NULL, sdma_clk),
_REGISTER_CLOCK("20bc000.wdog", NULL, dummy_clk),
_REGISTER_CLOCK("20c0000.wdog", NULL, dummy_clk),
_REGISTER_CLOCK(NULL, "ckih", ckih_clk),
_REGISTER_CLOCK(NULL, "ckil_clk", ckil_clk),
_REGISTER_CLOCK(NULL, "aips_tz1_clk", aips_tz1_clk),
_REGISTER_CLOCK(NULL, "aips_tz2_clk", aips_tz2_clk),
_REGISTER_CLOCK(NULL, "asrc_clk", asrc_clk),
_REGISTER_CLOCK(NULL, "can2_clk", can2_clk),
_REGISTER_CLOCK(NULL, "hdmi_isfr_clk", hdmi_isfr_clk),
_REGISTER_CLOCK(NULL, "iim_clk", iim_clk),
_REGISTER_CLOCK(NULL, "mlb_clk", mlb_clk),
_REGISTER_CLOCK(NULL, "openvg_axi_clk", openvg_axi_clk),
_REGISTER_CLOCK(NULL, "pwm1_clk", pwm1_clk),
_REGISTER_CLOCK(NULL, "pwm2_clk", pwm2_clk),
_REGISTER_CLOCK(NULL, "pwm3_clk", pwm3_clk),
_REGISTER_CLOCK(NULL, "pwm4_clk", pwm4_clk),
_REGISTER_CLOCK(NULL, "gpmi_io_clk", gpmi_io_clk),
_REGISTER_CLOCK(NULL, "usboh3_clk", usboh3_clk),
_REGISTER_CLOCK(NULL, "sata_clk", sata_clk),
};
int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode)
{
u32 val = readl_relaxed(CLPCR);
val &= ~BM_CLPCR_LPM;
switch (mode) {
case WAIT_CLOCKED:
break;
case WAIT_UNCLOCKED:
val |= 0x1 << BP_CLPCR_LPM;
break;
case STOP_POWER_ON:
val |= 0x2 << BP_CLPCR_LPM;
break;
case WAIT_UNCLOCKED_POWER_OFF:
val |= 0x1 << BP_CLPCR_LPM;
val &= ~BM_CLPCR_VSTBY;
val &= ~BM_CLPCR_SBYOS;
val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS;
break;
case STOP_POWER_OFF:
val |= 0x2 << BP_CLPCR_LPM;
val |= 0x3 << BP_CLPCR_STBY_COUNT;
val |= BM_CLPCR_VSTBY;
val |= BM_CLPCR_SBYOS;
val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS;
break;
default:
return -EINVAL;
}
writel_relaxed(val, CLPCR);
return 0;
}
static struct map_desc imx6q_clock_desc[] = {
imx_map_entry(MX6Q, CCM, MT_DEVICE),
imx_map_entry(MX6Q, ANATOP, MT_DEVICE),
};
int __init mx6q_clocks_init(void)
{
struct device_node *np;
void __iomem *base;
int i, irq;
iotable_init(imx6q_clock_desc, ARRAY_SIZE(imx6q_clock_desc));
/* retrieve the freqency of fixed clocks from device tree */
for_each_compatible_node(np, NULL, "fixed-clock") {
u32 rate;
if (of_property_read_u32(np, "clock-frequency", &rate))
continue;
if (of_device_is_compatible(np, "fsl,imx-ckil"))
external_low_reference = rate;
else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
external_high_reference = rate;
else if (of_device_is_compatible(np, "fsl,imx-osc"))
oscillator_reference = rate;
}
for (i = 0; i < ARRAY_SIZE(lookups); i++)
clkdev_add(&lookups[i]);
/* only keep necessary clocks on */
writel_relaxed(0x3 << CG0 | 0x3 << CG1 | 0x3 << CG2, CCGR0);
writel_relaxed(0x3 << CG8 | 0x3 << CG9 | 0x3 << CG10, CCGR2);
writel_relaxed(0x3 << CG10 | 0x3 << CG12, CCGR3);
writel_relaxed(0x3 << CG4 | 0x3 << CG6 | 0x3 << CG7, CCGR4);
writel_relaxed(0x3 << CG0, CCGR5);
writel_relaxed(0, CCGR6);
writel_relaxed(0, CCGR7);
clk_enable(&uart_clk);
clk_enable(&mmdc_ch0_axi_clk);
clk_set_rate(&pll4_audio, FREQ_650M);
clk_set_rate(&pll5_video, FREQ_650M);
clk_set_parent(&ipu1_di0_clk, &ipu1_di0_pre_clk);
clk_set_parent(&ipu1_di0_pre_clk, &pll5_video);
clk_set_parent(&gpu3d_shader_clk, &pll2_pfd_594m);
clk_set_rate(&gpu3d_shader_clk, FREQ_594M);
clk_set_parent(&gpu3d_core_clk, &mmdc_ch0_axi_clk);
clk_set_rate(&gpu3d_core_clk, FREQ_528M);
clk_set_parent(&asrc_serial_clk, &pll3_usb_otg);
clk_set_rate(&asrc_serial_clk, 1500000);
clk_set_rate(&enfc_clk, 11000000);
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(&gpt_clk, base, irq);
return 0;
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/hardware/gic.h>
#define GPC_IMR1 0x008
#define GPC_PGC_CPU_PDN 0x2a0
#define IMR_NUM 4
static void __iomem *gpc_base;
static u32 gpc_wake_irqs[IMR_NUM];
static u32 gpc_saved_imrs[IMR_NUM];
void imx_gpc_pre_suspend(void)
{
void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
int i;
/* Tell GPC to power off ARM core when suspend */
writel_relaxed(0x1, gpc_base + GPC_PGC_CPU_PDN);
for (i = 0; i < IMR_NUM; i++) {
gpc_saved_imrs[i] = readl_relaxed(reg_imr1 + i * 4);
writel_relaxed(~gpc_wake_irqs[i], reg_imr1 + i * 4);
}
}
void imx_gpc_post_resume(void)
{
void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
int i;
/* Keep ARM core powered on for other low-power modes */
writel_relaxed(0x0, gpc_base + GPC_PGC_CPU_PDN);
for (i = 0; i < IMR_NUM; i++)
writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4);
}
static int imx_gpc_irq_set_wake(struct irq_data *d, unsigned int on)
{
unsigned int idx = d->irq / 32 - 1;
u32 mask;
/* Sanity check for SPI irq */
if (d->irq < 32)
return -EINVAL;
mask = 1 << d->irq % 32;
gpc_wake_irqs[idx] = on ? gpc_wake_irqs[idx] | mask :
gpc_wake_irqs[idx] & ~mask;
return 0;
}
static void imx_gpc_irq_unmask(struct irq_data *d)
{
void __iomem *reg;
u32 val;
/* Sanity check for SPI irq */
if (d->irq < 32)
return;
reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4;
val = readl_relaxed(reg);
val &= ~(1 << d->irq % 32);
writel_relaxed(val, reg);
}
static void imx_gpc_irq_mask(struct irq_data *d)
{
void __iomem *reg;
u32 val;
/* Sanity check for SPI irq */
if (d->irq < 32)
return;
reg = gpc_base + GPC_IMR1 + (d->irq / 32 - 1) * 4;
val = readl_relaxed(reg);
val |= 1 << (d->irq % 32);
writel_relaxed(val, reg);
}
void __init imx_gpc_init(void)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc");
gpc_base = of_iomap(np, 0);
WARN_ON(!gpc_base);
/* Register GPC as the secondary interrupt controller behind GIC */
gic_arch_extn.irq_mask = imx_gpc_irq_mask;
gic_arch_extn.irq_unmask = imx_gpc_irq_unmask;
gic_arch_extn.irq_set_wake = imx_gpc_irq_set_wake;
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/linkage.h>
#include <linux/init.h>
#include <asm/asm-offsets.h>
#include <asm/hardware/cache-l2x0.h>
.section ".text.head", "ax"
__CPUINIT
/*
* The secondary kernel init calls v7_flush_dcache_all before it enables
* the L1; however, the L1 comes out of reset in an undefined state, so
* the clean + invalidate performed by v7_flush_dcache_all causes a bunch
* of cache lines with uninitialized data and uninitialized tags to get
* written out to memory, which does really unpleasant things to the main
* processor. We fix this by performing an invalidate, rather than a
* clean + invalidate, before jumping into the kernel.
*
* This funciton is cloned from arch/arm/mach-tegra/headsmp.S, and needs
* to be called for both secondary cores startup and primary core resume
* procedures. Ideally, it should be moved into arch/arm/mm/cache-v7.S.
*/
ENTRY(v7_invalidate_l1)
mov r0, #0
mcr p15, 2, r0, c0, c0, 0
mrc p15, 1, r0, c0, c0, 0
ldr r1, =0x7fff
and r2, r1, r0, lsr #13
ldr r1, =0x3ff
and r3, r1, r0, lsr #3 @ NumWays - 1
add r2, r2, #1 @ NumSets
and r0, r0, #0x7
add r0, r0, #4 @ SetShift
clz r1, r3 @ WayShift
add r4, r3, #1 @ NumWays
1: sub r2, r2, #1 @ NumSets--
mov r3, r4 @ Temp = NumWays
2: subs r3, r3, #1 @ Temp--
mov r5, r3, lsl r1
mov r6, r2, lsl r0
orr r5, r5, r6 @ Reg = (Temp<<WayShift)|(NumSets<<SetShift)
mcr p15, 0, r5, c7, c6, 2
bgt 2b
cmp r2, #0
bgt 1b
dsb
isb
mov pc, lr
ENDPROC(v7_invalidate_l1)
#ifdef CONFIG_SMP
ENTRY(v7_secondary_startup)
bl v7_invalidate_l1
b secondary_startup
ENDPROC(v7_secondary_startup)
#endif
/*
* The following code is located into the .data section. This is to
* allow phys_l2x0_saved_regs to be accessed with a relative load
* as we are running on physical address here.
*/
.data
.align
.macro pl310_resume
ldr r2, phys_l2x0_saved_regs
ldr r0, [r2, #L2X0_R_PHY_BASE] @ get physical base of l2x0
ldr r1, [r2, #L2X0_R_AUX_CTRL] @ get aux_ctrl value
str r1, [r0, #L2X0_AUX_CTRL] @ restore aux_ctrl
mov r1, #0x1
str r1, [r0, #L2X0_CTRL] @ re-enable L2
.endm
ENTRY(v7_cpu_resume)
bl v7_invalidate_l1
pl310_resume
b cpu_resume
ENDPROC(v7_cpu_resume)
.globl phys_l2x0_saved_regs
phys_l2x0_saved_regs:
.long 0
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/errno.h>
#include <asm/cacheflush.h>
#include <mach/common.h>
int platform_cpu_kill(unsigned int cpu)
{
return 1;
}
/*
* platform-specific code to shutdown a CPU
*
* Called with IRQs disabled
*/
void platform_cpu_die(unsigned int cpu)
{
flush_cache_all();
imx_enable_cpu(cpu, false);
cpu_do_idle();
/* We should never return from idle */
panic("cpu %d unexpectedly exit from shutdown\n", cpu);
}
int platform_cpu_disable(unsigned int cpu)
{
/*
* we don't allow CPU 0 to be shutdown (it is still too special
* e.g. clock tick interrupts)
*/
return cpu == 0 ? -EPERM : 0;
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <asm/page.h>
#include <asm/sizes.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
static struct map_desc imx_lluart_desc = {
#ifdef CONFIG_DEBUG_IMX6Q_UART
.virtual = MX6Q_IO_P2V(MX6Q_UART4_BASE_ADDR),
.pfn = __phys_to_pfn(MX6Q_UART4_BASE_ADDR),
.length = MX6Q_UART4_SIZE,
.type = MT_DEVICE,
#endif
};
void __init imx_lluart_map_io(void)
{
if (imx_lluart_desc.virtual)
iotable_init(&imx_lluart_desc, 1);
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/clockchips.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <asm/smp_twd.h>
/*
* Setup the local clock events for a CPU.
*/
int __cpuinit local_timer_setup(struct clock_event_device *evt)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "arm,smp-twd");
if (!twd_base) {
twd_base = of_iomap(np, 0);
WARN_ON(!twd_base);
}
evt->irq = irq_of_parse_and_map(np, 0);
twd_timer_setup(evt);
return 0;
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/hardware.h>
static void __init imx6q_init_machine(void)
{
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
imx6q_pm_init();
}
static void __init imx6q_map_io(void)
{
imx_lluart_map_io();
imx_scu_map_io();
}
static void __init imx6q_gpio_add_irq_domain(struct device_node *np,
struct device_node *interrupt_parent)
{
static int gpio_irq_base = MXC_GPIO_IRQ_START + ARCH_NR_GPIOS -
32 * 7; /* imx6q gets 7 gpio ports */
irq_domain_add_simple(np, gpio_irq_base);
gpio_irq_base += 32;
}
static const struct of_device_id imx6q_irq_match[] __initconst = {
{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
{ .compatible = "fsl,imx6q-gpio", .data = imx6q_gpio_add_irq_domain, },
{ /* sentinel */ }
};
static void __init imx6q_init_irq(void)
{
l2x0_of_init(0, ~0UL);
imx_src_init();
imx_gpc_init();
of_irq_init(imx6q_irq_match);
}
static void __init imx6q_timer_init(void)
{
mx6q_clocks_init();
}
static struct sys_timer imx6q_timer = {
.init = imx6q_timer_init,
};
static const char *imx6q_dt_compat[] __initdata = {
"fsl,imx6q-sabreauto",
NULL,
};
DT_MACHINE_START(IMX6Q, "Freescale i.MX6 Quad (Device Tree)")
.map_io = imx6q_map_io,
.init_irq = imx6q_init_irq,
.handle_irq = imx6q_handle_irq,
.timer = &imx6q_timer,
.init_machine = imx6q_init_machine,
.dt_compat = imx6q_dt_compat,
MACHINE_END
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#define MMDC_MAPSR 0x404
#define BP_MMDC_MAPSR_PSD 0
#define BP_MMDC_MAPSR_PSS 4
static int __devinit imx_mmdc_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
void __iomem *mmdc_base, *reg;
u32 val;
int timeout = 0x400;
mmdc_base = of_iomap(np, 0);
WARN_ON(!mmdc_base);
reg = mmdc_base + MMDC_MAPSR;
/* Enable automatic power saving */
val = readl_relaxed(reg);
val &= ~(1 << BP_MMDC_MAPSR_PSD);
writel_relaxed(val, reg);
/* Ensure it's successfully enabled */
while (!(readl_relaxed(reg) & 1 << BP_MMDC_MAPSR_PSS) && --timeout)
cpu_relax();
if (unlikely(!timeout)) {
pr_warn("%s: failed to enable automatic power saving\n",
__func__);
return -EBUSY;
}
return 0;
}
static struct of_device_id imx_mmdc_dt_ids[] = {
{ .compatible = "fsl,imx6q-mmdc", },
{ /* sentinel */ }
};
static struct platform_driver imx_mmdc_driver = {
.driver = {
.name = "imx-mmdc",
.owner = THIS_MODULE,
.of_match_table = imx_mmdc_dt_ids,
},
.probe = imx_mmdc_probe,
};
static int __init imx_mmdc_init(void)
{
return platform_driver_register(&imx_mmdc_driver);
}
postcore_initcall(imx_mmdc_init);
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/smp.h>
#include <asm/page.h>
#include <asm/smp_scu.h>
#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include <mach/common.h>
#include <mach/hardware.h>
static void __iomem *scu_base;
static struct map_desc scu_io_desc __initdata = {
/* .virtual and .pfn are run-time assigned */
.length = SZ_4K,
.type = MT_DEVICE,
};
void __init imx_scu_map_io(void)
{
unsigned long base;
/* Get SCU base */
asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base));
scu_io_desc.virtual = IMX_IO_P2V(base);
scu_io_desc.pfn = __phys_to_pfn(base);
iotable_init(&scu_io_desc, 1);
scu_base = IMX_IO_ADDRESS(base);
}
void __cpuinit platform_secondary_init(unsigned int cpu)
{
/*
* if any interrupts are already enabled for the primary
* core (e.g. timer irq), then they will not have been enabled
* for us: do so
*/
gic_secondary_init(0);
}
int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
{
imx_set_cpu_jump(cpu, v7_secondary_startup);
imx_enable_cpu(cpu, true);
return 0;
}
/*
* Initialise the CPU possible map early - this describes the CPUs
* which may be present or become present in the system.
*/
void __init smp_init_cpus(void)
{
int i, ncores;
ncores = scu_get_core_count(scu_base);
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
set_smp_cross_call(gic_raise_softirq);
}
void imx_smp_prepare(void)
{
scu_enable(scu_base);
}
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
imx_smp_prepare();
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/suspend.h>
#include <asm/cacheflush.h>
#include <asm/proc-fns.h>
#include <asm/suspend.h>
#include <asm/hardware/cache-l2x0.h>
#include <mach/common.h>
#include <mach/hardware.h>
extern unsigned long phys_l2x0_saved_regs;
static int imx6q_suspend_finish(unsigned long val)
{
cpu_do_idle();
return 0;
}
static int imx6q_pm_enter(suspend_state_t state)
{
switch (state) {
case PM_SUSPEND_MEM:
imx6q_set_lpm(STOP_POWER_OFF);
imx_gpc_pre_suspend();
imx_set_cpu_jump(0, v7_cpu_resume);
/* Zzz ... */
cpu_suspend(0, imx6q_suspend_finish);
imx_smp_prepare();
imx_gpc_post_resume();
break;
default:
return -EINVAL;
}
return 0;
}
static const struct platform_suspend_ops imx6q_pm_ops = {
.enter = imx6q_pm_enter,
.valid = suspend_valid_only_mem,
};
void __init imx6q_pm_init(void)
{
/*
* The l2x0 core code provides an infrastucture to save and restore
* l2x0 registers across suspend/resume cycle. But because imx6q
* retains L2 content during suspend and needs to resume L2 before
* MMU is enabled, it can only utilize register saving support and
* have to take care of restoring on its own. So we save physical
* address of the data structure used by l2x0 core to save registers,
* and later restore the necessary ones in imx6q resume entry.
*/
phys_l2x0_saved_regs = __pa(&l2x0_saved_regs);
suspend_set_ops(&imx6q_pm_ops);
}
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/init.h>
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <asm/unified.h>
#define SRC_SCR 0x000
#define SRC_GPR1 0x020
#define BP_SRC_SCR_CORE1_RST 14
#define BP_SRC_SCR_CORE1_ENABLE 22
static void __iomem *src_base;
void imx_enable_cpu(int cpu, bool enable)
{
u32 mask, val;
mask = 1 << (BP_SRC_SCR_CORE1_ENABLE + cpu - 1);
val = readl_relaxed(src_base + SRC_SCR);
val = enable ? val | mask : val & ~mask;
writel_relaxed(val, src_base + SRC_SCR);
}
void imx_set_cpu_jump(int cpu, void *jump_addr)
{
writel_relaxed(BSYM(virt_to_phys(jump_addr)),
src_base + SRC_GPR1 + cpu * 8);
}
void __init imx_src_init(void)
{
struct device_node *np;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-src");
src_base = of_iomap(np, 0);
WARN_ON(!src_base);
}
......@@ -14,17 +14,9 @@
#include <mach/mx23.h>
#include <mach/mx28.h>
#ifdef CONFIG_SOC_IMX23
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#ifdef CONFIG_DEBUG_IMX23_UART
#define UART_PADDR MX23_DUART_BASE_ADDR
#endif
#ifdef CONFIG_SOC_IMX28
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX28_UART)
#define UART_PADDR MX28_DUART_BASE_ADDR
#endif
......
......@@ -10,23 +10,10 @@
* published by the Free Software Foundation.
*/
#if defined(CONFIG_MACH_REALVIEW_EB) || \
defined(CONFIG_MACH_REALVIEW_PB11MP) || \
defined(CONFIG_MACH_REALVIEW_PBA8) || \
defined(CONFIG_MACH_REALVIEW_PBX)
#ifndef DEBUG_LL_UART_OFFSET
#ifdef CONFIG_DEBUG_REALVIEW_STD_PORT
#define DEBUG_LL_UART_OFFSET 0x00009000
#elif DEBUG_LL_UART_OFFSET != 0x00009000
#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
#endif
#endif
#ifdef CONFIG_MACH_REALVIEW_PB1176
#ifndef DEBUG_LL_UART_OFFSET
#elif defined(CONFIG_DEBUG_REALVIEW_PB1176_PORT)
#define DEBUG_LL_UART_OFFSET 0x0010c000
#elif DEBUG_LL_UART_OFFSET != 0x0010c000
#warning "DEBUG_LL_UART_OFFSET already defined to a different value"
#endif
#endif
#ifndef DEBUG_LL_UART_OFFSET
......
......@@ -819,7 +819,7 @@ config CACHE_FEROCEON_L2_WRITETHROUGH
config CACHE_L2X0
bool "Enable the L2x0 outer cache controller"
depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
REALVIEW_EB_A9MP || SOC_IMX35 || SOC_IMX31 || MACH_REALVIEW_PBX || \
REALVIEW_EB_A9MP || ARCH_IMX_V6_V7 || MACH_REALVIEW_PBX || \
ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \
ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \
ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_HIGHBANK
......
......@@ -6,7 +6,7 @@ menu "Freescale MXC Implementations"
choice
prompt "Freescale CPU family:"
default ARCH_MX3
default ARCH_IMX_V6_V7
config ARCH_IMX_V4_V5
bool "i.MX1, i.MX21, i.MX25, i.MX27"
......@@ -16,10 +16,13 @@ config ARCH_IMX_V4_V5
This enables support for systems based on the Freescale i.MX ARMv4
and ARMv5 SoCs
config ARCH_MX3
bool "MX3-based"
config ARCH_IMX_V6_V7
bool "i.MX3, i.MX6"
select AUTO_ZRELADDR if !ZBOOT_ROM
select ARM_PATCH_PHYS_VIRT
help
This enables support for systems based on the Freescale i.MX3 family
This enables support for systems based on the Freescale i.MX3 and i.MX6
family.
config ARCH_MX5
bool "i.MX50, i.MX51, i.MX53"
......
......@@ -5,7 +5,7 @@
# Common support
obj-y := clock.o time.o devices.o cpu.o system.o irq-common.o
# MX51 uses the TZIC interrupt controller, older platforms use AVIC
obj-$(CONFIG_ARM_GIC) += gic.o
obj-$(CONFIG_MXC_TZIC) += tzic.o
obj-$(CONFIG_MXC_AVIC) += avic.o
......
/*
* Copyright 2011 Freescale Semiconductor, Inc.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#include <linux/io.h>
#include <asm/exception.h>
#include <asm/localtimer.h>
#include <asm/hardware/gic.h>
#ifdef CONFIG_SMP
#include <asm/smp.h>
#endif
asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
{
u32 irqstat, irqnr;
do {
irqstat = readl_relaxed(gic_cpu_base_addr + GIC_CPU_INTACK);
irqnr = irqstat & 0x3ff;
if (irqnr == 1023)
break;
if (irqnr > 29 && irqnr < 1021)
handle_IRQ(irqnr, regs);
#ifdef CONFIG_SMP
else if (irqnr < 16) {
writel_relaxed(irqstat, gic_cpu_base_addr +
GIC_CPU_EOI);
handle_IPI(irqnr, regs);
}
#endif
#ifdef CONFIG_LOCAL_TIMERS
else if (irqnr == 29) {
writel_relaxed(irqstat, gic_cpu_base_addr +
GIC_CPU_EOI);
handle_local_timer(regs);
}
#endif
} while (1);
}
......@@ -13,6 +13,7 @@
struct platform_device;
struct clk;
enum mxc_cpu_pwr_mode;
extern void mx1_map_io(void);
extern void mx21_map_io(void);
......@@ -66,6 +67,7 @@ extern int mx53_clocks_init(unsigned long ckil, unsigned long osc,
unsigned long ckih1, unsigned long ckih2);
extern int mx51_clocks_init_dt(void);
extern int mx53_clocks_init_dt(void);
extern int mx6q_clocks_init(void);
extern struct platform_device *mxc_register_gpio(char *name, int id,
resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
extern void mxc_set_cpu_type(unsigned int type);
......@@ -88,6 +90,7 @@ extern void imx_print_silicon_rev(const char *cpu, int srev);
void avic_handle_irq(struct pt_regs *);
void tzic_handle_irq(struct pt_regs *);
void gic_handle_irq(struct pt_regs *);
#define imx1_handle_irq avic_handle_irq
#define imx21_handle_irq avic_handle_irq
......@@ -98,10 +101,36 @@ void tzic_handle_irq(struct pt_regs *);
#define imx50_handle_irq tzic_handle_irq
#define imx51_handle_irq tzic_handle_irq
#define imx53_handle_irq tzic_handle_irq
#define imx6q_handle_irq gic_handle_irq
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
#ifdef CONFIG_DEBUG_LL
extern void imx_lluart_map_io(void);
#else
static inline void imx_lluart_map_io(void) {}
#endif
extern void v7_cpu_resume(void);
extern u32 *pl310_get_save_ptr(void);
#ifdef CONFIG_SMP
extern void v7_secondary_startup(void);
extern void imx_scu_map_io(void);
extern void imx_smp_prepare(void);
#else
static inline void imx_scu_map_io(void) {}
static inline void imx_smp_prepare(void) {}
#endif
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
extern void imx_src_init(void);
extern void imx_gpc_init(void);
extern void imx_gpc_pre_suspend(void);
extern void imx_gpc_post_resume(void);
extern void imx51_babbage_common_init(void);
extern void imx53_ard_common_init(void);
extern void imx53_evk_common_init(void);
extern void imx53_qsb_common_init(void);
extern void imx53_smd_common_init(void);
extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
extern void imx6q_pm_init(void);
#endif
......@@ -12,44 +12,20 @@
*/
#include <mach/hardware.h>
#ifdef CONFIG_SOC_IMX1
#ifdef CONFIG_DEBUG_IMX1_UART
#define UART_PADDR MX1_UART1_BASE_ADDR
#endif
#ifdef CONFIG_SOC_IMX25
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX25_UART)
#define UART_PADDR MX25_UART1_BASE_ADDR
#endif
#if defined(CONFIG_SOC_IMX21) || defined (CONFIG_SOC_IMX27)
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX21_IMX27_UART)
#define UART_PADDR MX2x_UART1_BASE_ADDR
#endif
#if defined(CONFIG_SOC_IMX31) || defined(CONFIG_SOC_IMX35)
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX31_IMX35_UART)
#define UART_PADDR MX3x_UART1_BASE_ADDR
#endif
#ifdef CONFIG_SOC_IMX51
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX51_UART)
#define UART_PADDR MX51_UART1_BASE_ADDR
#endif
/* iMX50/53 have same addresses, but not iMX51 */
#if defined(CONFIG_SOC_IMX50) || defined(CONFIG_SOC_IMX53)
#ifdef UART_PADDR
#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
#endif
#elif defined (CONFIG_DEBUG_IMX50_IMX53_UART)
#define UART_PADDR MX53_UART1_BASE_ADDR
#elif defined (CONFIG_DEBUG_IMX6Q_UART)
#define UART_PADDR MX6Q_UART4_BASE_ADDR
#endif
#define UART_VADDR IMX_IO_ADDRESS(UART_PADDR)
......
......@@ -22,3 +22,9 @@
.macro get_irqnr_and_base, irqnr, irqstat, base, tmp
.endm
.macro test_for_ipi, irqnr, irqstat, base, tmp
.endm
.macro test_for_ltirq, irqnr, irqstat, base, tmp
.endm
......@@ -91,6 +91,11 @@
* SPBA0 0x50000000+0x100000 -> 0xf5400000+0x100000
* AIPS1 0x53f00000+0x100000 -> 0xf5700000+0x100000
* AIPS2 0x63f00000+0x100000 -> 0xf5300000+0x100000
* mx6q:
* SCU 0x00a00000+0x001000 -> 0xf4000000+0x001000
* CCM 0x020c4000+0x004000 -> 0xf42c4000+0x004000
* ANATOP 0x020c8000+0x001000 -> 0xf42c8000+0x001000
* UART4 0x021f0000+0x004000 -> 0xf42f0000+0x004000
*/
#define IMX_IO_P2V(x) ( \
0xf4000000 + \
......@@ -102,6 +107,7 @@
#include <mach/mxc.h>
#include <mach/mx6q.h>
#include <mach/mx50.h>
#include <mach/mx51.h>
#include <mach/mx53.h>
......
......@@ -14,9 +14,15 @@
#include <asm-generic/gpio.h>
/*
* SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
* SoCs with GIC interrupt controller have 160 IRQs, those with TZIC
* have 128 IRQs, and those with AVIC have 64.
*
* To support single image, the biggest number should be defined on
* top of the list.
*/
#ifdef CONFIG_MXC_TZIC
#if defined CONFIG_ARM_GIC
#define MXC_INTERNAL_IRQS 160
#elif defined CONFIG_MXC_TZIC
#define MXC_INTERNAL_IRQS 128
#else
#define MXC_INTERNAL_IRQS 64
......
/*
* Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright 2011 Linaro Ltd.
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
* Version 2 or later at the following locations:
*
* http://www.opensource.org/licenses/gpl-license.html
* http://www.gnu.org/copyleft/gpl.html
*/
#ifndef __MACH_MX6Q_H__
#define __MACH_MX6Q_H__
#define MX6Q_IO_P2V(x) IMX_IO_P2V(x)
#define MX6Q_IO_ADDRESS(x) IOMEM(MX6Q_IO_P2V(x))
/*
* The following are the blocks that need to be statically mapped.
* For other blocks, the base address really should be retrieved from
* device tree.
*/
#define MX6Q_SCU_BASE_ADDR 0x00a00000
#define MX6Q_SCU_SIZE 0x1000
#define MX6Q_CCM_BASE_ADDR 0x020c4000
#define MX6Q_CCM_SIZE 0x4000
#define MX6Q_ANATOP_BASE_ADDR 0x020c8000
#define MX6Q_ANATOP_SIZE 0x1000
#define MX6Q_UART4_BASE_ADDR 0x021f0000
#define MX6Q_UART4_SIZE 0x4000
#endif /* __MACH_MX6Q_H__ */
......@@ -367,4 +367,11 @@ config SAMSUNG_PD
help
Say Y here if you want to control Power Domain by Runtime PM.
config DEBUG_S3C_UART
depends on PLAT_SAMSUNG
int
default "0" if DEBUG_S3C_UART0
default "1" if DEBUG_S3C_UART1
default "2" if DEBUG_S3C_UART2
endif
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