summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig47
-rw-r--r--arch/arm/boot/dts/dbx5x0.dtsi5
-rw-r--r--arch/arm/boot/dts/exynos4.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos4210-origen.dts2
-rw-r--r--arch/arm/boot/dts/exynos4210-smdkv310.dts2
-rw-r--r--arch/arm/boot/dts/exynos4210-trats.dts2
-rw-r--r--arch/arm/boot/dts/exynos4210-universal_c210.dts2
-rw-r--r--arch/arm/boot/dts/exynos4210.dtsi4
-rw-r--r--arch/arm/boot/dts/exynos4212.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos4412-odroidx.dts2
-rw-r--r--arch/arm/boot/dts/exynos4412-origen.dts2
-rw-r--r--arch/arm/boot/dts/exynos4412-smdk4412.dts2
-rw-r--r--arch/arm/boot/dts/exynos4412.dtsi2
-rw-r--r--arch/arm/boot/dts/exynos4x12.dtsi4
-rw-r--r--arch/arm/boot/dts/exynos5250-arndale.dts2
-rw-r--r--arch/arm/boot/dts/exynos5250-smdk5250.dts2
-rw-r--r--arch/arm/boot/dts/exynos5250-snow.dts4
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi20
-rw-r--r--arch/arm/boot/dts/exynos5440-sd5v1.dts2
-rw-r--r--arch/arm/boot/dts/exynos5440-ssdk5440.dts2
-rw-r--r--arch/arm/boot/dts/exynos5440.dtsi2
-rw-r--r--arch/arm/boot/dts/omap3430-sdp.dts1
-rw-r--r--arch/arm/boot/dts/s3c2416-smdk2416.dts2
-rw-r--r--arch/arm/boot/dts/s3c2416.dtsi4
-rw-r--r--arch/arm/boot/dts/s3c24xx.dtsi2
-rw-r--r--arch/arm/boot/dts/snowball.dts13
-rw-r--r--arch/arm/configs/omap1_defconfig3
-rw-r--r--arch/arm/mach-omap1/Makefile4
-rw-r--r--arch/arm/mach-omap1/mailbox.c199
-rw-r--r--arch/arm/mach-omap2/Makefile3
-rw-r--r--arch/arm/mach-omap2/board-flash.c3
-rw-r--r--arch/arm/mach-omap2/devices.c13
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c44
-rw-r--r--arch/arm/mach-omap2/gpmc.c82
-rw-r--r--arch/arm/mach-omap2/mailbox.c430
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2420_data.c14
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_2430_data.c13
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_3xxx_data.c13
-rw-r--r--arch/arm/mach-s3c24xx/Kconfig66
-rw-r--r--arch/arm/mach-s3c24xx/Makefile6
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq-debugfs.c198
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq-s3c2410.c160
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq-s3c2412.c258
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq-s3c2440.c312
-rw-r--r--arch/arm/mach-s3c24xx/cpufreq.c711
-rw-r--r--arch/arm/mach-s3c24xx/include/mach/s3c2412.h (renamed from arch/arm/mach-s3c24xx/s3c2412.h)0
-rw-r--r--arch/arm/mach-s3c24xx/iotiming-s3c2412.c2
-rw-r--r--arch/arm/mach-ux500/board-mop500-audio.c68
-rw-r--r--arch/arm/mach-ux500/board-mop500-sdi.c56
-rw-r--r--arch/arm/mach-ux500/board-mop500.c94
-rw-r--r--arch/arm/mach-ux500/board-mop500.h2
-rw-r--r--arch/arm/mach-ux500/cpu-db8500.c66
-rw-r--r--arch/arm/mach-ux500/devices-db8500.c123
-rw-r--r--arch/arm/mach-ux500/ste-dma40-db8500.h193
-rw-r--r--arch/arm/mach-ux500/usb.c47
-rw-r--r--arch/arm/plat-omap/Kconfig16
-rw-r--r--arch/arm/plat-omap/Makefile3
-rw-r--r--arch/arm/plat-omap/include/plat/mailbox.h105
-rw-r--r--arch/arm/plat-omap/mailbox.c435
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu-freq-core.h10
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu-freq.h6
61 files changed, 365 insertions, 3529 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7a13c2cd7a8..49fdc432512 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2087,53 +2087,6 @@ menu "CPU Power Management"
if ARCH_HAS_CPUFREQ
source "drivers/cpufreq/Kconfig"
-
-config CPU_FREQ_S3C
- bool
- help
- Internal configuration node for common cpufreq on Samsung SoC
-
-config CPU_FREQ_S3C24XX
- bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
- depends on ARCH_S3C24XX && CPU_FREQ
- select CPU_FREQ_S3C
- help
- This enables the CPUfreq driver for the Samsung S3C24XX family
- of CPUs.
-
- For details, take a look at <file:Documentation/cpu-freq>.
-
- If in doubt, say N.
-
-config CPU_FREQ_S3C24XX_PLL
- bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
- depends on CPU_FREQ_S3C24XX
- help
- Compile in support for changing the PLL frequency from the
- S3C24XX series CPUfreq driver. The PLL takes time to settle
- after a frequency change, so by default it is not enabled.
-
- This also means that the PLL tables for the selected CPU(s) will
- be built which may increase the size of the kernel image.
-
-config CPU_FREQ_S3C24XX_DEBUG
- bool "Debug CPUfreq Samsung driver core"
- depends on CPU_FREQ_S3C24XX
- help
- Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
-
-config CPU_FREQ_S3C24XX_IODEBUG
- bool "Debug CPUfreq Samsung driver IO timing"
- depends on CPU_FREQ_S3C24XX
- help
- Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
-
-config CPU_FREQ_S3C24XX_DEBUGFS
- bool "Export debugfs for CPUFreq"
- depends on CPU_FREQ_S3C24XX && DEBUG_FS
- help
- Export status information via debugfs.
-
endif
source "drivers/cpuidle/Kconfig"
diff --git a/arch/arm/boot/dts/dbx5x0.dtsi b/arch/arm/boot/dts/dbx5x0.dtsi
index a082f0ba1dd..a1529455f08 100644
--- a/arch/arm/boot/dts/dbx5x0.dtsi
+++ b/arch/arm/boot/dts/dbx5x0.dtsi
@@ -360,6 +360,11 @@
interrupt-controller;
#interrupt-cells = <2>;
+ ab8500_gpio: ab8500-gpio {
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
ab8500-rtc {
compatible = "stericsson,ab8500-rtc";
interrupts = <17 IRQ_TYPE_LEVEL_HIGH
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index bed40ee2e4f..3f94fe8e370 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -19,7 +19,7 @@
* published by the Free Software Foundation.
*/
-/include/ "skeleton.dtsi"
+#include "skeleton.dtsi"
/ {
interrupt-parent = <&gic>;
diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts
index 08609b8bdaf..382d8c7e290 100644
--- a/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/arch/arm/boot/dts/exynos4210-origen.dts
@@ -15,7 +15,7 @@
*/
/dts-v1/;
-/include/ "exynos4210.dtsi"
+#include "exynos4210.dtsi"
/ {
model = "Insignal Origen evaluation board based on Exynos4210";
diff --git a/arch/arm/boot/dts/exynos4210-smdkv310.dts b/arch/arm/boot/dts/exynos4210-smdkv310.dts
index 91332b72acf..9c01b718d29 100644
--- a/arch/arm/boot/dts/exynos4210-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4210-smdkv310.dts
@@ -15,7 +15,7 @@
*/
/dts-v1/;
-/include/ "exynos4210.dtsi"
+#include "exynos4210.dtsi"
/ {
model = "Samsung smdkv310 evaluation board based on Exynos4210";
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index 9a14484c7bb..94eebffe304 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -13,7 +13,7 @@
*/
/dts-v1/;
-/include/ "exynos4210.dtsi"
+#include "exynos4210.dtsi"
/ {
model = "Samsung Trats based on Exynos4210";
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index 345cdb51dcb..889cdada1ce 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -13,7 +13,7 @@
*/
/dts-v1/;
-/include/ "exynos4210.dtsi"
+#include "exynos4210.dtsi"
/ {
model = "Samsung Universal C210 based on Exynos4210 rev0";
diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index d4f8067e89b..b7f358a93bc 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -19,8 +19,8 @@
* published by the Free Software Foundation.
*/
-/include/ "exynos4.dtsi"
-/include/ "exynos4210-pinctrl.dtsi"
+#include "exynos4.dtsi"
+#include "exynos4210-pinctrl.dtsi"
/ {
compatible = "samsung,exynos4210";
diff --git a/arch/arm/boot/dts/exynos4212.dtsi b/arch/arm/boot/dts/exynos4212.dtsi
index c0f60f49cea..6f34d7f6ba7 100644
--- a/arch/arm/boot/dts/exynos4212.dtsi
+++ b/arch/arm/boot/dts/exynos4212.dtsi
@@ -17,7 +17,7 @@
* published by the Free Software Foundation.
*/
-/include/ "exynos4x12.dtsi"
+#include "exynos4x12.dtsi"
/ {
compatible = "samsung,exynos4212";
diff --git a/arch/arm/boot/dts/exynos4412-odroidx.dts b/arch/arm/boot/dts/exynos4412-odroidx.dts
index 867d9452619..46c678ee119 100644
--- a/arch/arm/boot/dts/exynos4412-odroidx.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidx.dts
@@ -12,7 +12,7 @@
*/
/dts-v1/;
-/include/ "exynos4412.dtsi"
+#include "exynos4412.dtsi"
/ {
model = "Hardkernel ODROID-X board based on Exynos4412";
diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts
index ca73c42f77e..7993641cb32 100644
--- a/arch/arm/boot/dts/exynos4412-origen.dts
+++ b/arch/arm/boot/dts/exynos4412-origen.dts
@@ -13,7 +13,7 @@
*/
/dts-v1/;
-/include/ "exynos4412.dtsi"
+#include "exynos4412.dtsi"
/ {
model = "Insignal Origen evaluation board based on Exynos4412";
diff --git a/arch/arm/boot/dts/exynos4412-smdk4412.dts b/arch/arm/boot/dts/exynos4412-smdk4412.dts
index a8ba195c41a..ad316a1ee9e 100644
--- a/arch/arm/boot/dts/exynos4412-smdk4412.dts
+++ b/arch/arm/boot/dts/exynos4412-smdk4412.dts
@@ -13,7 +13,7 @@
*/
/dts-v1/;
-/include/ "exynos4412.dtsi"
+#include "exynos4412.dtsi"
/ {
model = "Samsung SMDK evaluation board based on Exynos4412";
diff --git a/arch/arm/boot/dts/exynos4412.dtsi b/arch/arm/boot/dts/exynos4412.dtsi
index 270b389e0a1..e743e677a9e 100644
--- a/arch/arm/boot/dts/exynos4412.dtsi
+++ b/arch/arm/boot/dts/exynos4412.dtsi
@@ -17,7 +17,7 @@
* published by the Free Software Foundation.
*/
-/include/ "exynos4x12.dtsi"
+#include "exynos4x12.dtsi"
/ {
compatible = "samsung,exynos4412";
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 35cb2099d55..01da194ba32 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -17,8 +17,8 @@
* published by the Free Software Foundation.
*/
-/include/ "exynos4.dtsi"
-/include/ "exynos4x12-pinctrl.dtsi"
+#include "exynos4.dtsi"
+#include "exynos4x12-pinctrl.dtsi"
/ {
aliases {
diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
index c6db281a343..abc7272c7af 100644
--- a/arch/arm/boot/dts/exynos5250-arndale.dts
+++ b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -10,7 +10,7 @@
*/
/dts-v1/;
-/include/ "exynos5250.dtsi"
+#include "exynos5250.dtsi"
/ {
model = "Insignal Arndale evaluation board based on EXYNOS5250";
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 1e21200b6d8..35a66dee401 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -10,7 +10,7 @@
*/
/dts-v1/;
-/include/ "exynos5250.dtsi"
+#include "exynos5250.dtsi"
/ {
model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts
index 05244f150dd..e79331dba12 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -9,8 +9,8 @@
*/
/dts-v1/;
-/include/ "exynos5250.dtsi"
-/include/ "cros5250-common.dtsi"
+#include "exynos5250.dtsi"
+#include "cros5250-common.dtsi"
/ {
model = "Google Snow";
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 54a35e64c78..964158c1844 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -17,8 +17,10 @@
* published by the Free Software Foundation.
*/
-/include/ "skeleton.dtsi"
-/include/ "exynos5250-pinctrl.dtsi"
+#include "skeleton.dtsi"
+#include "exynos5250-pinctrl.dtsi"
+
+#include <dt-bindings/clk/exynos-audss-clk.h>
/ {
compatible = "samsung,exynos5250";
@@ -72,6 +74,12 @@
#clock-cells = <1>;
};
+ clock_audss: audss-clock-controller@3810000 {
+ compatible = "samsung,exynos5250-audss-clock";
+ reg = <0x03810000 0x0C>;
+ #clock-cells = <1>;
+ };
+
gic:interrupt-controller@10481000 {
compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
#interrupt-cells = <3>;
@@ -451,6 +459,10 @@
&pdma0 9
&pdma0 8>;
dma-names = "tx", "rx", "tx-sec";
+ clocks = <&clock_audss EXYNOS_I2S_BUS>,
+ <&clock_audss EXYNOS_I2S_BUS>,
+ <&clock_audss EXYNOS_SCLK_I2S>;
+ clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
samsung,supports-6ch;
samsung,supports-rstclr;
samsung,supports-secdai;
@@ -465,6 +477,8 @@
dmas = <&pdma1 12
&pdma1 11>;
dma-names = "tx", "rx";
+ clocks = <&clock 307>, <&clock 157>;
+ clock-names = "iis", "i2s_opclk0";
pinctrl-names = "default";
pinctrl-0 = <&i2s1_bus>;
};
@@ -475,6 +489,8 @@
dmas = <&pdma0 12
&pdma0 11>;
dma-names = "tx", "rx";
+ clocks = <&clock 308>, <&clock 158>;
+ clock-names = "iis", "i2s_opclk0";
pinctrl-names = "default";
pinctrl-0 = <&i2s2_bus>;
};
diff --git a/arch/arm/boot/dts/exynos5440-sd5v1.dts b/arch/arm/boot/dts/exynos5440-sd5v1.dts
index f722a0263ac..5b22508050d 100644
--- a/arch/arm/boot/dts/exynos5440-sd5v1.dts
+++ b/arch/arm/boot/dts/exynos5440-sd5v1.dts
@@ -10,7 +10,7 @@
*/
/dts-v1/;
-/include/ "exynos5440.dtsi"
+#include "exynos5440.dtsi"
/ {
model = "SAMSUNG SD5v1 board based on EXYNOS5440";
diff --git a/arch/arm/boot/dts/exynos5440-ssdk5440.dts b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
index ba88cfd2486..ede772741f8 100644
--- a/arch/arm/boot/dts/exynos5440-ssdk5440.dts
+++ b/arch/arm/boot/dts/exynos5440-ssdk5440.dts
@@ -10,7 +10,7 @@
*/
/dts-v1/;
-/include/ "exynos5440.dtsi"
+#include "exynos5440.dtsi"
/ {
model = "SAMSUNG SSDK5440 board based on EXYNOS5440";
diff --git a/arch/arm/boot/dts/exynos5440.dtsi b/arch/arm/boot/dts/exynos5440.dtsi
index bfcb907b7e3..ff7f5d85584 100644
--- a/arch/arm/boot/dts/exynos5440.dtsi
+++ b/arch/arm/boot/dts/exynos5440.dtsi
@@ -9,7 +9,7 @@
* published by the Free Software Foundation.
*/
-/include/ "skeleton.dtsi"
+#include "skeleton.dtsi"
/ {
compatible = "samsung,exynos5440";
diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
index c4a1c0a9772..e2249bcc3e6 100644
--- a/arch/arm/boot/dts/omap3430-sdp.dts
+++ b/arch/arm/boot/dts/omap3430-sdp.dts
@@ -106,7 +106,6 @@
nand-bus-width = <8>;
ti,nand-ecc-opt = "sw";
- gpmc,device-nand;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <36>;
gpmc,cs-wr-off-ns = <36>;
diff --git a/arch/arm/boot/dts/s3c2416-smdk2416.dts b/arch/arm/boot/dts/s3c2416-smdk2416.dts
index ad1dd09c10e..59594cf1599 100644
--- a/arch/arm/boot/dts/s3c2416-smdk2416.dts
+++ b/arch/arm/boot/dts/s3c2416-smdk2416.dts
@@ -9,7 +9,7 @@
*/
/dts-v1/;
-/include/ "s3c2416.dtsi"
+#include "s3c2416.dtsi"
/ {
model = "SMDK2416";
diff --git a/arch/arm/boot/dts/s3c2416.dtsi b/arch/arm/boot/dts/s3c2416.dtsi
index 6809324934a..e6555bdd81b 100644
--- a/arch/arm/boot/dts/s3c2416.dtsi
+++ b/arch/arm/boot/dts/s3c2416.dtsi
@@ -8,8 +8,8 @@
* published by the Free Software Foundation.
*/
-/include/ "s3c24xx.dtsi"
-/include/ "s3c2416-pinctrl.dtsi"
+#include "s3c24xx.dtsi"
+#include "s3c2416-pinctrl.dtsi"
/ {
model = "Samsung S3C2416 SoC";
diff --git a/arch/arm/boot/dts/s3c24xx.dtsi b/arch/arm/boot/dts/s3c24xx.dtsi
index cab46ff5fb4..2d1d7dc9418 100644
--- a/arch/arm/boot/dts/s3c24xx.dtsi
+++ b/arch/arm/boot/dts/s3c24xx.dtsi
@@ -8,7 +8,7 @@
* published by the Free Software Foundation.
*/
-/include/ "skeleton.dtsi"
+#include "skeleton.dtsi"
/ {
compatible = "samsung,s3c24xx";
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index fb9dce529da..49824be6684 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -22,12 +22,13 @@
en_3v3_reg: en_3v3 {
compatible = "regulator-fixed";
- regulator-name = "en-3v3-fixed-supply";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- gpios = <&gpio0 26 0x4>; // 26
- startup-delay-us = <5000>;
- enable-active-high;
+ regulator-name = "en-3v3-fixed-supply";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ /* AB8500 GPIOs start from 1 - offset 25 is GPIO26. */
+ gpio = <&ab8500_gpio 25 0x4>;
+ startup-delay-us = <5000>;
+ enable-active-high;
};
gpio_keys {
diff --git a/arch/arm/configs/omap1_defconfig b/arch/arm/configs/omap1_defconfig
index 9940f7b4e43..d74edbad18f 100644
--- a/arch/arm/configs/omap1_defconfig
+++ b/arch/arm/configs/omap1_defconfig
@@ -26,7 +26,8 @@ CONFIG_ARCH_OMAP=y
CONFIG_ARCH_OMAP1=y
CONFIG_OMAP_RESET_CLOCKS=y
# CONFIG_OMAP_MUX is not set
-CONFIG_OMAP_MBOX_FWK=y
+CONFIG_MAILBOX=y
+CONFIG_OMAP1_MBOX=y
CONFIG_OMAP_32K_TIMER=y
CONFIG_OMAP_DM_TIMER=y
CONFIG_ARCH_OMAP730=y
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 222d58c0ae7..3889b6cd211 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -19,10 +19,6 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
# Power Management
obj-$(CONFIG_PM) += pm.o sleep.o
-# DSP
-obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o
-mailbox_mach-objs := mailbox.o
-
i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o
obj-y += $(i2c-omap-m) $(i2c-omap-y)
diff --git a/arch/arm/mach-omap1/mailbox.c b/arch/arm/mach-omap1/mailbox.c
deleted file mode 100644
index efc8f207f6f..00000000000
--- a/arch/arm/mach-omap1/mailbox.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- * Mailbox reservation modules for OMAP1
- *
- * Copyright (C) 2006-2009 Nokia Corporation
- * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <plat/mailbox.h>
-
-#define MAILBOX_ARM2DSP1 0x00
-#define MAILBOX_ARM2DSP1b 0x04
-#define MAILBOX_DSP2ARM1 0x08
-#define MAILBOX_DSP2ARM1b 0x0c
-#define MAILBOX_DSP2ARM2 0x10
-#define MAILBOX_DSP2ARM2b 0x14
-#define MAILBOX_ARM2DSP1_Flag 0x18
-#define MAILBOX_DSP2ARM1_Flag 0x1c
-#define MAILBOX_DSP2ARM2_Flag 0x20
-
-static void __iomem *mbox_base;
-
-struct omap_mbox1_fifo {
- unsigned long cmd;
- unsigned long data;
- unsigned long flag;
-};
-
-struct omap_mbox1_priv {
- struct omap_mbox1_fifo tx_fifo;
- struct omap_mbox1_fifo rx_fifo;
-};
-
-static inline int mbox_read_reg(size_t ofs)
-{
- return __raw_readw(mbox_base + ofs);
-}
-
-static inline void mbox_write_reg(u32 val, size_t ofs)
-{
- __raw_writew(val, mbox_base + ofs);
-}
-
-/* msg */
-static mbox_msg_t omap1_mbox_fifo_read(struct omap_mbox *mbox)
-{
- struct omap_mbox1_fifo *fifo =
- &((struct omap_mbox1_priv *)mbox->priv)->rx_fifo;
- mbox_msg_t msg;
-
- msg = mbox_read_reg(fifo->data);
- msg |= ((mbox_msg_t) mbox_read_reg(fifo->cmd)) << 16;
-
- return msg;
-}
-
-static void
-omap1_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
-{
- struct omap_mbox1_fifo *fifo =
- &((struct omap_mbox1_priv *)mbox->priv)->tx_fifo;
-
- mbox_write_reg(msg & 0xffff, fifo->data);
- mbox_write_reg(msg >> 16, fifo->cmd);
-}
-
-static int omap1_mbox_fifo_empty(struct omap_mbox *mbox)
-{
- return 0;
-}
-
-static int omap1_mbox_fifo_full(struct omap_mbox *mbox)
-{
- struct omap_mbox1_fifo *fifo =
- &((struct omap_mbox1_priv *)mbox->priv)->rx_fifo;
-
- return mbox_read_reg(fifo->flag);
-}
-
-/* irq */
-static void
-omap1_mbox_enable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq)
-{
- if (irq == IRQ_RX)
- enable_irq(mbox->irq);
-}
-
-static void
-omap1_mbox_disable_irq(struct omap_mbox *mbox, omap_mbox_type_t irq)
-{
- if (irq == IRQ_RX)
- disable_irq(mbox->irq);
-}
-
-static int
-omap1_mbox_is_irq(struct omap_mbox *mbox, omap_mbox_type_t irq)
-{
- if (irq == IRQ_TX)
- return 0;
- return 1;
-}
-
-static struct omap_mbox_ops omap1_mbox_ops = {
- .type = OMAP_MBOX_TYPE1,
- .fifo_read = omap1_mbox_fifo_read,
- .fifo_write = omap1_mbox_fifo_write,
- .fifo_empty = omap1_mbox_fifo_empty,
- .fifo_full = omap1_mbox_fifo_full,
- .enable_irq = omap1_mbox_enable_irq,
- .disable_irq = omap1_mbox_disable_irq,
- .is_irq = omap1_mbox_is_irq,
-};
-
-/* FIXME: the following struct should be created automatically by the user id */
-
-/* DSP */
-static struct omap_mbox1_priv omap1_mbox_dsp_priv = {
- .tx_fifo = {
- .cmd = MAILBOX_ARM2DSP1b,
- .data = MAILBOX_ARM2DSP1,
- .flag = MAILBOX_ARM2DSP1_Flag,
- },
- .rx_fifo = {
- .cmd = MAILBOX_DSP2ARM1b,
- .data = MAILBOX_DSP2ARM1,
- .flag = MAILBOX_DSP2ARM1_Flag,
- },
-};
-
-static struct omap_mbox mbox_dsp_info = {
- .name = "dsp",
- .ops = &omap1_mbox_ops,
- .priv = &omap1_mbox_dsp_priv,
-};
-
-static struct omap_mbox *omap1_mboxes[] = { &mbox_dsp_info, NULL };
-
-static int omap1_mbox_probe(struct platform_device *pdev)
-{
- struct resource *mem;
- int ret;
- struct omap_mbox **list;
-
- list = omap1_mboxes;
- list[0]->irq = platform_get_irq_byname(pdev, "dsp");
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mbox_base = ioremap(mem->start, resource_size(mem));
- if (!mbox_base)
- return -ENOMEM;
-
- ret = omap_mbox_register(&pdev->dev, list);
- if (ret) {
- iounmap(mbox_base);
- return ret;
- }
-
- return 0;
-}
-
-static int omap1_mbox_remove(struct platform_device *pdev)
-{
- omap_mbox_unregister();
- iounmap(mbox_base);
- return 0;
-}
-
-static struct platform_driver omap1_mbox_driver = {
- .probe = omap1_mbox_probe,
- .remove = omap1_mbox_remove,
- .driver = {
- .name = "omap-mailbox",
- },
-};
-
-static int __init omap1_mbox_init(void)
-{
- return platform_driver_register(&omap1_mbox_driver);
-}
-
-static void __exit omap1_mbox_exit(void)
-{
- platform_driver_unregister(&omap1_mbox_driver);
-}
-
-module_init(omap1_mbox_init);
-module_exit(omap1_mbox_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("omap mailbox: omap1 architecture specific functions");
-MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>");
-MODULE_ALIAS("platform:omap1-mailbox");
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 8e8c605ebef..ea5a27ff994 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -212,9 +212,6 @@ obj-$(CONFIG_SOC_OMAP5) += omap_hwmod_54xx_data.o
obj-$(CONFIG_OMAP3_EMU) += emu.o
obj-$(CONFIG_HW_PERF_EVENTS) += pmu.o
-obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox_mach.o
-mailbox_mach-objs := mailbox.o
-
iommu-$(CONFIG_OMAP_IOMMU) := omap-iommu.o
obj-y += $(iommu-m) $(iommu-y)
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index c33adea0247..fc20a61f6b2 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -112,6 +112,9 @@ struct gpmc_timings nand_default_timings[1] = {
.cs_rd_off = 36,
.cs_wr_off = 36,
+ .we_on = 6,
+ .oe_on = 6,
+
.adv_on = 6,
.adv_rd_off = 24,
.adv_wr_off = 36,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 403c211e35d..aef96e45cb2 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -21,6 +21,7 @@
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/omap4-keypad.h>
#include <linux/wl12xx.h>
+#include <linux/platform_data/mailbox-omap.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
@@ -283,25 +284,31 @@ int __init omap4_keyboard_init(struct omap4_keypad_platform_data
return 0;
}
-#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
+#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE)
static inline void __init omap_init_mbox(void)
{
struct omap_hwmod *oh;
struct platform_device *pdev;
+ struct omap_mbox_pdata *pdata;
oh = omap_hwmod_lookup("mailbox");
if (!oh) {
pr_err("%s: unable to find hwmod\n", __func__);
return;
}
+ if (!oh->dev_attr) {
+ pr_err("%s: hwmod doesn't have valid attrs\n", __func__);
+ return;
+ }
- pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0);
+ pdata = (struct omap_mbox_pdata *)oh->dev_attr;
+ pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata));
WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
__func__, PTR_ERR(pdev));
}
#else
static inline void omap_init_mbox(void) { }
-#endif /* CONFIG_OMAP_MBOX_FWK */
+#endif /* CONFIG_OMAP2PLUS_MBOX */
static inline void omap_init_sti(void) {}
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index d9c27195caf..662c7fd633c 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -43,44 +43,6 @@ static struct platform_device gpmc_nand_device = {
.resource = gpmc_nand_resource,
};
-static int omap2_nand_gpmc_retime(
- struct omap_nand_platform_data *gpmc_nand_data,
- struct gpmc_timings *gpmc_t)
-{
- struct gpmc_timings t;
- int err;
-
- memset(&t, 0, sizeof(t));
- t.sync_clk = gpmc_t->sync_clk;
- t.cs_on = gpmc_t->cs_on;
- t.adv_on = gpmc_t->adv_on;
-
- /* Read */
- t.adv_rd_off = gpmc_t->adv_rd_off;
- t.oe_on = t.adv_on;
- t.access = gpmc_t->access;
- t.oe_off = gpmc_t->oe_off;
- t.cs_rd_off = gpmc_t->cs_rd_off;
- t.rd_cycle = gpmc_t->rd_cycle;
-
- /* Write */
- t.adv_wr_off = gpmc_t->adv_wr_off;
- t.we_on = t.oe_on;
- if (cpu_is_omap34xx()) {
- t.wr_data_mux_bus = gpmc_t->wr_data_mux_bus;
- t.wr_access = gpmc_t->wr_access;
- }
- t.we_off = gpmc_t->we_off;
- t.cs_wr_off = gpmc_t->cs_wr_off;
- t.wr_cycle = gpmc_t->wr_cycle;
-
- err = gpmc_cs_set_timings(gpmc_nand_data->cs, &t);
- if (err)
- return err;
-
- return 0;
-}
-
static bool gpmc_hwecc_bch_capable(enum omap_ecc ecc_opt)
{
/* support only OMAP3 class */
@@ -131,7 +93,7 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
gpmc_get_client_irq(GPMC_IRQ_COUNT_EVENT);
if (gpmc_t) {
- err = omap2_nand_gpmc_retime(gpmc_nand_data, gpmc_t);
+ err = gpmc_cs_set_timings(gpmc_nand_data->cs, gpmc_t);
if (err < 0) {
dev_err(dev, "Unable to set gpmc timings: %d\n", err);
return err;
@@ -140,8 +102,6 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
if (gpmc_nand_data->of_node) {
gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
} else {
- s.device_nand = true;
-
/* Enable RD PIN Monitoring Reg */
if (gpmc_nand_data->dev_ready) {
s.wait_on_read = true;
@@ -149,6 +109,8 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
}
}
+ s.device_nand = true;
+
if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16)
s.device_width = GPMC_DEVWIDTH_16BIT;
else
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 6c4da1254f5..1c7969e965d 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -30,6 +30,7 @@
#include <linux/of_mtd.h>
#include <linux/of_device.h>
#include <linux/mtd/nand.h>
+#include <linux/pm_runtime.h>
#include <linux/platform_data/mtd-nand-omap2.h>
@@ -155,6 +156,7 @@ static struct resource gpmc_cs_mem[GPMC_CS_NUM];
static DEFINE_SPINLOCK(gpmc_mem_lock);
/* Define chip-selects as reserved by default until probe completes */
static unsigned int gpmc_cs_map = ((1 << GPMC_CS_NUM) - 1);
+static unsigned int gpmc_cs_num = GPMC_CS_NUM;
static unsigned int gpmc_nr_waitpins;
static struct device *gpmc_dev;
static int gpmc_irq;
@@ -521,8 +523,10 @@ static int gpmc_cs_remap(int cs, u32 base)
int ret;
u32 old_base, size;
- if (cs > GPMC_CS_NUM)
+ if (cs > gpmc_cs_num) {
+ pr_err("%s: requested chip-select is disabled\n", __func__);
return -ENODEV;
+ }
gpmc_cs_get_memconf(cs, &old_base, &size);
if (base == old_base)
return 0;
@@ -545,9 +549,10 @@ int gpmc_cs_request(int cs, unsigned long size, unsigned long *base)
struct resource *res = &gpmc_cs_mem[cs];
int r = -1;
- if (cs > GPMC_CS_NUM)
+ if (cs > gpmc_cs_num) {
+ pr_err("%s: requested chip-select is disabled\n", __func__);
return -ENODEV;
-
+ }
size = gpmc_mem_align(size);
if (size > (1 << GPMC_SECTION_SHIFT))
return -ENOMEM;
@@ -582,7 +587,7 @@ EXPORT_SYMBOL(gpmc_cs_request);
void gpmc_cs_free(int cs)
{
spin_lock(&gpmc_mem_lock);
- if (cs >= GPMC_CS_NUM || cs < 0 || !gpmc_cs_reserved(cs)) {
+ if (cs >= gpmc_cs_num || cs < 0 || !gpmc_cs_reserved(cs)) {
printk(KERN_ERR "Trying to free non-reserved GPMC CS%d\n", cs);
BUG();
spin_unlock(&gpmc_mem_lock);
@@ -777,7 +782,7 @@ static void gpmc_mem_exit(void)
{
int cs;
- for (cs = 0; cs < GPMC_CS_NUM; cs++) {
+ for (cs = 0; cs < gpmc_cs_num; cs++) {
if (!gpmc_cs_mem_enabled(cs))
continue;
gpmc_cs_delete_mem(cs);
@@ -798,7 +803,7 @@ static void gpmc_mem_init(void)
gpmc_mem_root.end = GPMC_MEM_END;
/* Reserve all regions that has been set up by bootloader */
- for (cs = 0; cs < GPMC_CS_NUM; cs++) {
+ for (cs = 0; cs < gpmc_cs_num; cs++) {
u32 base, size;
if (!gpmc_cs_mem_enabled(cs))
@@ -1245,7 +1250,6 @@ void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p)
p->sync_read = of_property_read_bool(np, "gpmc,sync-read");
p->sync_write = of_property_read_bool(np, "gpmc,sync-write");
- p->device_nand = of_property_read_bool(np, "gpmc,device-nand");
of_property_read_u32(np, "gpmc,device-width", &p->device_width);
of_property_read_u32(np, "gpmc,mux-add-data", &p->mux_add_data);
@@ -1345,6 +1349,13 @@ static const char * const nand_ecc_opts[] = {
[OMAP_ECC_BCH8_CODE_HW] = "bch8",
};
+static const char * const nand_xfer_types[] = {
+ [NAND_OMAP_PREFETCH_POLLED] = "prefetch-polled",
+ [NAND_OMAP_POLLED] = "polled",
+ [NAND_OMAP_PREFETCH_DMA] = "prefetch-dma",
+ [NAND_OMAP_PREFETCH_IRQ] = "prefetch-irq",
+};
+
static int gpmc_probe_nand_child(struct platform_device *pdev,
struct device_node *child)
{
@@ -1374,6 +1385,13 @@ static int gpmc_probe_nand_child(struct platform_device *pdev,
break;
}
+ if (!of_property_read_string(child, "ti,nand-xfer-type", &s))
+ for (val = 0; val < ARRAY_SIZE(nand_xfer_types); val++)
+ if (!strcasecmp(s, nand_xfer_types[val])) {
+ gpmc_nand_data->xfer_type = val;
+ break;
+ }
+
val = of_get_nand_bus_width(child);
if (val == 16)
gpmc_nand_data->devsize = NAND_BUSWIDTH_16;
@@ -1513,6 +1531,20 @@ static int gpmc_probe_dt(struct platform_device *pdev)
if (!of_id)
return 0;
+ ret = of_property_read_u32(pdev->dev.of_node, "gpmc,num-cs",
+ &gpmc_cs_num);
+ if (ret < 0) {
+ pr_err("%s: number of chip-selects not defined\n", __func__);
+ return ret;
+ } else if (gpmc_cs_num < 1) {
+ pr_err("%s: all chip-selects are disabled\n", __func__);
+ return -EINVAL;
+ } else if (gpmc_cs_num > GPMC_CS_NUM) {
+ pr_err("%s: number of supported chip-selects cannot be > %d\n",
+ __func__, GPMC_CS_NUM);
+ return -EINVAL;
+ }
+
ret = of_property_read_u32(pdev->dev.of_node, "gpmc,num-waitpins",
&gpmc_nr_waitpins);
if (ret < 0) {
@@ -1577,7 +1609,8 @@ static int gpmc_probe(struct platform_device *pdev)
return PTR_ERR(gpmc_l3_clk);
}
- clk_prepare_enable(gpmc_l3_clk);
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
gpmc_dev = &pdev->dev;
@@ -1610,12 +1643,14 @@ static int gpmc_probe(struct platform_device *pdev)
/* Now the GPMC is initialised, unreserve the chip-selects */
gpmc_cs_map = 0;
- if (!pdev->dev.of_node)
+ if (!pdev->dev.of_node) {
+ gpmc_cs_num = GPMC_CS_NUM;
gpmc_nr_waitpins = GPMC_NR_WAITPINS;
+ }
rc = gpmc_probe_dt(pdev);
if (rc < 0) {
- clk_disable_unprepare(gpmc_l3_clk);
+ pm_runtime_put_sync(&pdev->dev);
clk_put(gpmc_l3_clk);
dev_err(gpmc_dev, "failed to probe DT parameters\n");
return rc;
@@ -1628,10 +1663,30 @@ static int gpmc_remove(struct platform_device *pdev)
{
gpmc_free_irq();
gpmc_mem_exit();
+ pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
gpmc_dev = NULL;
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int gpmc_suspend(struct device *dev)
+{
+ omap3_gpmc_save_context();
+ pm_runtime_put_sync(dev);
+ return 0;
+}
+
+static int gpmc_resume(struct device *dev)
+{
+ pm_runtime_get_sync(dev);
+ omap3_gpmc_restore_context();
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(gpmc_pm_ops, gpmc_suspend, gpmc_resume);
+
static struct platform_driver gpmc_driver = {
.probe = gpmc_probe,
.remove = gpmc_remove,
@@ -1639,6 +1694,7 @@ static struct platform_driver gpmc_driver = {
.name = DEVICE_NAME,
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(gpmc_dt_ids),
+ .pm = &gpmc_pm_ops,
},
};
@@ -1701,7 +1757,6 @@ static irqreturn_t gpmc_handle_irq(int irq, void *dev)
return IRQ_HANDLED;
}
-#ifdef CONFIG_ARCH_OMAP3
static struct omap3_gpmc_regs gpmc_context;
void omap3_gpmc_save_context(void)
@@ -1715,7 +1770,7 @@ void omap3_gpmc_save_context(void)
gpmc_context.prefetch_config1 = gpmc_read_reg(GPMC_PREFETCH_CONFIG1);
gpmc_context.prefetch_config2 = gpmc_read_reg(GPMC_PREFETCH_CONFIG2);
gpmc_context.prefetch_control = gpmc_read_reg(GPMC_PREFETCH_CONTROL);
- for (i = 0; i < GPMC_CS_NUM; i++) {
+ for (i = 0; i < gpmc_cs_num; i++) {
gpmc_context.cs_context[i].is_valid = gpmc_cs_mem_enabled(i);
if (gpmc_context.cs_context[i].is_valid) {
gpmc_context.cs_context[i].config1 =
@@ -1747,7 +1802,7 @@ void omap3_gpmc_restore_context(void)
gpmc_write_reg(GPMC_PREFETCH_CONFIG1, gpmc_context.prefetch_config1);
gpmc_write_reg(GPMC_PREFETCH_CONFIG2, gpmc_context.prefetch_config2);
gpmc_write_reg(GPMC_PREFETCH_CONTROL, gpmc_context.prefetch_control);
- for (i = 0; i < GPMC_CS_NUM; i++) {
+ for (i = 0; i < gpmc_cs_num; i++) {
if (gpmc_context.cs_context[i].is_valid) {
gpmc_cs_write_reg(i, GPMC_CS_CONFIG1,
gpmc_context.cs_context[i].config1);
@@ -1766,4 +1821,3 @@ void omap3_gpmc_restore_context(void)
}
}
}
-#endif /* CONFIG_ARCH_OMAP3 */
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
deleted file mode 100644
index 0b080267b7f..00000000000
--- a/arch/arm/mach-omap2/mailbox.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Mailbox reservation modules for OMAP2/3
- *
- * Copyright (C) 2006-2009 Nokia Corporation
- * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
- * and Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-#include <linux/pm_runtime.h>
-
-#include <plat/mailbox.h>
-
-#include "soc.h"
-
-#define MAILBOX_REVISION 0x000
-#define MAILBOX_MESSAGE(m) (0x040 + 4 * (m))
-#define MAILBOX_FIFOSTATUS(m) (0x080 + 4 * (m))
-#define MAILBOX_MSGSTATUS(m) (0x0c0 + 4 * (m))
-#define MAILBOX_IRQSTATUS(u) (0x100 + 8 * (u))
-#define MAILBOX_IRQENABLE(u) (0x104 + 8 * (u))
-
-#define OMAP4_MAILBOX_IRQSTATUS(u) (0x104 + 0x10 * (u))
-#define OMAP4_MAILBOX_IRQENABLE(u) (0x108 + 0x10 * (u))
-#define OMAP4_MAILBOX_IRQENABLE_CLR(u) (0x10c + 0x10 * (u))
-
-#define MAILBOX_IRQ_NEWMSG(m) (1 << (2 * (m)))
-#define MAILBOX_IRQ_NOTFULL(m) (1 << (2 * (m) + 1))
-
-#define MBOX_REG_SIZE 0x120
-
-#define OMAP4_MBOX_REG_SIZE 0x130
-
-#define MBOX_NR_REGS (MBOX_REG_SIZE / sizeof(u32))
-#define OMAP4_MBOX_NR_REGS (OMAP4_MBOX_REG_SIZE / sizeof(u32))
-
-static void __iomem *mbox_base;
-
-struct omap_mbox2_fifo {
- unsigned long msg;
- unsigned long fifo_stat;
- unsigned long msg_stat;
-};
-
-struct omap_mbox2_priv {
- struct omap_mbox2_fifo tx_fifo;
- struct omap_mbox2_fifo rx_fifo;
- unsigned long irqenable;
- unsigned long irqstatus;
- u32 newmsg_bit;
- u32 notfull_bit;
- u32 ctx[OMAP4_MBOX_NR_REGS];
- unsigned long irqdisable;
-};
-
-static void omap2_mbox_enable_irq(struct omap_mbox *mbox,
- omap_mbox_type_t irq);
-
-static inline unsigned int mbox_read_reg(size_t ofs)
-{
- return __raw_readl(mbox_base + ofs);
-}
-
-static inline void mbox_write_reg(u32 val, size_t ofs)
-{
- __raw_writel(val, mbox_base + ofs);
-}
-
-/* Mailbox H/W preparations */
-static int omap2_mbox_startup(struct omap_mbox *mbox)
-{
- u32 l;
-
- pm_runtime_enable(mbox->dev->parent);
- pm_runtime_get_sync(mbox->dev->parent);
-
- l = mbox_read_reg(MAILBOX_REVISION);
- pr_debug("omap mailbox rev %d.%d\n", (l & 0xf0) >> 4, (l & 0x0f));
-
- return 0;
-}
-
-static void omap2_mbox_shutdown(struct omap_mbox *mbox)
-{
- pm_runtime_put_sync(mbox->dev->parent);
- pm_runtime_disable(mbox->dev->parent);
-}
-
-/* Mailbox FIFO handle functions */
-static mbox_msg_t omap2_mbox_fifo_read(struct omap_mbox *mbox)
-{
- struct omap_mbox2_fifo *fifo =
- &((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
- return (mbox_msg_t) mbox_read_reg(fifo->msg);
-}
-
-static void omap2_mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
-{
- struct omap_mbox2_fifo *fifo =
- &((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
- mbox_write_reg(msg, fifo->msg);
-}
-
-static int omap2_mbox_fifo_empty(struct omap_mbox *mbox)
-{
- struct omap_mbox2_fifo *fifo =
- &((struct omap_mbox2_priv *)mbox->priv)->rx_fifo;
- return (mbox_read_reg(fifo->msg_stat) == 0);
-}
-
-static int omap2_mbox_fifo_full(struct omap_mbox *mbox)
-{
- struct omap_mbox2_fifo *fifo =
- &((struct omap_mbox2_priv *)mbox->priv)->tx_fifo;
- return mbox_read_reg(fifo->fifo_stat);
-}
-
-/* Mailbox IRQ handle functions */
-static void omap2_mbox_enable_irq(struct omap_mbox *mbox,
- omap_mbox_type_t irq)
-{
- struct omap_mbox2_priv *p = mbox->priv;
- u32 l, bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
- l = mbox_read_reg(p->irqenable);
- l |= bit;
- mbox_write_reg(l, p->irqenable);
-}
-
-static void omap2_mbox_disable_irq(struct omap_mbox *mbox,
- omap_mbox_type_t irq)
-{
- struct omap_mbox2_priv *p = mbox->priv;
- u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
- if (!cpu_is_omap44xx())
- bit = mbox_read_reg(p->irqdisable) & ~bit;
-
- mbox_write_reg(bit, p->irqdisable);
-}
-
-static void omap2_mbox_ack_irq(struct omap_mbox *mbox,
- omap_mbox_type_t irq)
-{
- struct omap_mbox2_priv *p = mbox->priv;
- u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
-
- mbox_write_reg(bit, p->irqstatus);
-
- /* Flush posted write for irq status to avoid spurious interrupts */
- mbox_read_reg(p->irqstatus);
-}
-
-static int omap2_mbox_is_irq(struct omap_mbox *mbox,
- omap_mbox_type_t irq)
-{
- struct omap_mbox2_priv *p = mbox->priv;
- u32 bit = (irq == IRQ_TX) ? p->notfull_bit : p->newmsg_bit;
- u32 enable = mbox_read_reg(p->irqenable);
- u32 status = mbox_read_reg(p->irqstatus);
-
- return (int)(enable & status & bit);
-}
-
-static void omap2_mbox_save_ctx(struct omap_mbox *mbox)
-{
- int i;
- struct omap_mbox2_priv *p = mbox->priv;
- int nr_regs;
- if (cpu_is_omap44xx())
- nr_regs = OMAP4_MBOX_NR_REGS;
- else
- nr_regs = MBOX_NR_REGS;
- for (i = 0; i < nr_regs; i++) {
- p->ctx[i] = mbox_read_reg(i * sizeof(u32));
-
- dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
- i, p->ctx[i]);
- }
-}
-
-static void omap2_mbox_restore_ctx(struct omap_mbox *mbox)
-{
- int i;
- struct omap_mbox2_priv *p = mbox->priv;
- int nr_regs;
- if (cpu_is_omap44xx())
- nr_regs = OMAP4_MBOX_NR_REGS;
- else
- nr_regs = MBOX_NR_REGS;
- for (i = 0; i < nr_regs; i++) {
- mbox_write_reg(p->ctx[i], i * sizeof(u32));
-
- dev_dbg(mbox->dev, "%s: [%02x] %08x\n", __func__,
- i, p->ctx[i]);
- }
-}
-
-static struct omap_mbox_ops omap2_mbox_ops = {
- .type = OMAP_MBOX_TYPE2,
- .startup = omap2_mbox_startup,
- .shutdown = omap2_mbox_shutdown,
- .fifo_read = omap2_mbox_fifo_read,
- .fifo_write = omap2_mbox_fifo_write,
- .fifo_empty = omap2_mbox_fifo_empty,
- .fifo_full = omap2_mbox_fifo_full,
- .enable_irq = omap2_mbox_enable_irq,
- .disable_irq = omap2_mbox_disable_irq,
- .ack_irq = omap2_mbox_ack_irq,
- .is_irq = omap2_mbox_is_irq,
- .save_ctx = omap2_mbox_save_ctx,
- .restore_ctx = omap2_mbox_restore_ctx,
-};
-
-/*
- * MAILBOX 0: ARM -> DSP,
- * MAILBOX 1: ARM <- DSP.
- * MAILBOX 2: ARM -> IVA,
- * MAILBOX 3: ARM <- IVA.
- */
-
-/* FIXME: the following structs should be filled automatically by the user id */
-
-#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP2)
-/* DSP */
-static struct omap_mbox2_priv omap2_mbox_dsp_priv = {
- .tx_fifo = {
- .msg = MAILBOX_MESSAGE(0),
- .fifo_stat = MAILBOX_FIFOSTATUS(0),
- },
- .rx_fifo = {
- .msg = MAILBOX_MESSAGE(1),
- .msg_stat = MAILBOX_MSGSTATUS(1),
- },
- .irqenable = MAILBOX_IRQENABLE(0),
- .irqstatus = MAILBOX_IRQSTATUS(0),
- .notfull_bit = MAILBOX_IRQ_NOTFULL(0),
- .newmsg_bit = MAILBOX_IRQ_NEWMSG(1),
- .irqdisable = MAILBOX_IRQENABLE(0),
-};
-
-struct omap_mbox mbox_dsp_info = {
- .name = "dsp",
- .ops = &omap2_mbox_ops,
- .priv = &omap2_mbox_dsp_priv,
-};
-#endif
-
-#if defined(CONFIG_ARCH_OMAP3)
-struct omap_mbox *omap3_mboxes[] = { &mbox_dsp_info, NULL };
-#endif
-
-#if defined(CONFIG_SOC_OMAP2420)
-/* IVA */
-static struct omap_mbox2_priv omap2_mbox_iva_priv = {
- .tx_fifo = {
- .msg = MAILBOX_MESSAGE(2),
- .fifo_stat = MAILBOX_FIFOSTATUS(2),
- },
- .rx_fifo = {
- .msg = MAILBOX_MESSAGE(3),
- .msg_stat = MAILBOX_MSGSTATUS(3),
- },
- .irqenable = MAILBOX_IRQENABLE(3),
- .irqstatus = MAILBOX_IRQSTATUS(3),
- .notfull_bit = MAILBOX_IRQ_NOTFULL(2),
- .newmsg_bit = MAILBOX_IRQ_NEWMSG(3),
- .irqdisable = MAILBOX_IRQENABLE(3),
-};
-
-static struct omap_mbox mbox_iva_info = {
- .name = "iva",
- .ops = &omap2_mbox_ops,
- .priv = &omap2_mbox_iva_priv,
-};
-#endif
-
-#ifdef CONFIG_ARCH_OMAP2
-struct omap_mbox *omap2_mboxes[] = {
- &mbox_dsp_info,
-#ifdef CONFIG_SOC_OMAP2420
- &mbox_iva_info,
-#endif
- NULL
-};
-#endif
-
-#if defined(CONFIG_ARCH_OMAP4)
-/* OMAP4 */
-static struct omap_mbox2_priv omap2_mbox_1_priv = {
- .tx_fifo = {
- .msg = MAILBOX_MESSAGE(0),
- .fifo_stat = MAILBOX_FIFOSTATUS(0),
- },
- .rx_fifo = {
- .msg = MAILBOX_MESSAGE(1),
- .msg_stat = MAILBOX_MSGSTATUS(1),
- },
- .irqenable = OMAP4_MAILBOX_IRQENABLE(0),
- .irqstatus = OMAP4_MAILBOX_IRQSTATUS(0),
- .notfull_bit = MAILBOX_IRQ_NOTFULL(0),
- .newmsg_bit = MAILBOX_IRQ_NEWMSG(1),
- .irqdisable = OMAP4_MAILBOX_IRQENABLE_CLR(0),
-};
-
-struct omap_mbox mbox_1_info = {
- .name = "mailbox-1",
- .ops = &omap2_mbox_ops,
- .priv = &omap2_mbox_1_priv,
-};
-
-static struct omap_mbox2_priv omap2_mbox_2_priv = {
- .tx_fifo = {
- .msg = MAILBOX_MESSAGE(3),
- .fifo_stat = MAILBOX_FIFOSTATUS(3),
- },
- .rx_fifo = {
- .msg = MAILBOX_MESSAGE(2),
- .msg_stat = MAILBOX_MSGSTATUS(2),
- },
- .irqenable = OMAP4_MAILBOX_IRQENABLE(0),
- .irqstatus = OMAP4_MAILBOX_IRQSTATUS(0),
- .notfull_bit = MAILBOX_IRQ_NOTFULL(3),
- .newmsg_bit = MAILBOX_IRQ_NEWMSG(2),
- .irqdisable = OMAP4_MAILBOX_IRQENABLE_CLR(0),
-};
-
-struct omap_mbox mbox_2_info = {
- .name = "mailbox-2",
- .ops = &omap2_mbox_ops,
- .priv = &omap2_mbox_2_priv,
-};
-
-struct omap_mbox *omap4_mboxes[] = { &mbox_1_info, &mbox_2_info, NULL };
-#endif
-
-static int omap2_mbox_probe(struct platform_device *pdev)
-{
- struct resource *mem;
- int ret;
- struct omap_mbox **list;
-
- if (false)
- ;
-#if defined(CONFIG_ARCH_OMAP3)
- else if (cpu_is_omap34xx()) {
- list = omap3_mboxes;
-
- list[0]->irq = platform_get_irq(pdev, 0);
- }
-#endif
-#if defined(CONFIG_ARCH_OMAP2)
- else if (cpu_is_omap2430()) {
- list = omap2_mboxes;
-
- list[0]->irq = platform_get_irq(pdev, 0);
- } else if (cpu_is_omap2420()) {
- list = omap2_mboxes;
-
- list[0]->irq = platform_get_irq_byname(pdev, "dsp");
- list[1]->irq = platform_get_irq_byname(pdev, "iva");
- }
-#endif
-#if defined(CONFIG_ARCH_OMAP4)
- else if (cpu_is_omap44xx()) {
- list = omap4_mboxes;
-
- list[0]->irq = list[1]->irq = platform_get_irq(pdev, 0);
- }
-#endif
- else {
- pr_err("%s: platform not supported\n", __func__);
- return -ENODEV;
- }
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mbox_base = ioremap(mem->start, resource_size(mem));
- if (!mbox_base)
- return -ENOMEM;
-
- ret = omap_mbox_register(&pdev->dev, list);
- if (ret) {
- iounmap(mbox_base);
- return ret;
- }
-
- return 0;
-}
-
-static int omap2_mbox_remove(struct platform_device *pdev)
-{
- omap_mbox_unregister();
- iounmap(mbox_base);
- return 0;
-}
-
-static struct platform_driver omap2_mbox_driver = {
- .probe = omap2_mbox_probe,
- .remove = omap2_mbox_remove,
- .driver = {
- .name = "omap-mailbox",
- },
-};
-
-static int __init omap2_mbox_init(void)
-{
- return platform_driver_register(&omap2_mbox_driver);
-}
-
-static void __exit omap2_mbox_exit(void)
-{
- platform_driver_unregister(&omap2_mbox_driver);
-}
-
-module_init(omap2_mbox_init);
-module_exit(omap2_mbox_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("omap mailbox: omap2/3/4 architecture specific functions");
-MODULE_AUTHOR("Hiroshi DOYU <Hiroshi.DOYU@nokia.com>");
-MODULE_AUTHOR("Paul Mundt");
-MODULE_ALIAS("platform:omap2-mailbox");
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 5137cc84b50..d8b9d60f854 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -16,6 +16,7 @@
#include <linux/i2c-omap.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/omap-dma.h>
+#include <linux/platform_data/mailbox-omap.h>
#include <plat/dmtimer.h>
#include "omap_hwmod.h"
@@ -166,6 +167,18 @@ static struct omap_hwmod omap2420_dma_system_hwmod = {
};
/* mailbox */
+static struct omap_mbox_dev_info omap2420_mailbox_info[] = {
+ { .name = "dsp", .tx_id = 0, .rx_id = 1, .irq_id = 0, .usr_id = 0 },
+ { .name = "iva", .tx_id = 2, .rx_id = 3, .irq_id = 1, .usr_id = 3 },
+};
+
+static struct omap_mbox_pdata omap2420_mailbox_attrs = {
+ .num_users = 4,
+ .num_fifos = 6,
+ .info_cnt = ARRAY_SIZE(omap2420_mailbox_info),
+ .info = omap2420_mailbox_info,
+};
+
static struct omap_hwmod_irq_info omap2420_mailbox_irqs[] = {
{ .name = "dsp", .irq = 26 + OMAP_INTC_START, },
{ .name = "iva", .irq = 34 + OMAP_INTC_START, },
@@ -186,6 +199,7 @@ static struct omap_hwmod omap2420_mailbox_hwmod = {
.idlest_idle_bit = OMAP24XX_ST_MAILBOXES_SHIFT,
},
},
+ .dev_attr = &omap2420_mailbox_attrs,
};
/*
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 4ce999ee3ee..5b9083461dc 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -17,6 +17,7 @@
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/omap-dma.h>
+#include <linux/platform_data/mailbox-omap.h>
#include <plat/dmtimer.h>
#include "omap_hwmod.h"
@@ -170,6 +171,17 @@ static struct omap_hwmod omap2430_dma_system_hwmod = {
};
/* mailbox */
+static struct omap_mbox_dev_info omap2430_mailbox_info[] = {
+ { .name = "dsp", .tx_id = 0, .rx_id = 1 },
+};
+
+static struct omap_mbox_pdata omap2430_mailbox_attrs = {
+ .num_users = 4,
+ .num_fifos = 6,
+ .info_cnt = ARRAY_SIZE(omap2430_mailbox_info),
+ .info = omap2430_mailbox_info,
+};
+
static struct omap_hwmod_irq_info omap2430_mailbox_irqs[] = {
{ .irq = 26 + OMAP_INTC_START, },
{ .irq = -1 },
@@ -189,6 +201,7 @@ static struct omap_hwmod omap2430_mailbox_hwmod = {
.idlest_idle_bit = OMAP24XX_ST_MAILBOXES_SHIFT,
},
},
+ .dev_attr = &omap2430_mailbox_attrs,
};
/* mcspi3 */
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index fa991541144..f7a3df2fb57 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -25,6 +25,7 @@
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <linux/platform_data/iommu-omap.h>
+#include <linux/platform_data/mailbox-omap.h>
#include <plat/dmtimer.h>
#include "am35xx.h"
@@ -1504,6 +1505,17 @@ static struct omap_hwmod_class omap3xxx_mailbox_hwmod_class = {
.sysc = &omap3xxx_mailbox_sysc,
};
+static struct omap_mbox_dev_info omap3xxx_mailbox_info[] = {
+ { .name = "dsp", .tx_id = 0, .rx_id = 1 },
+};
+
+static struct omap_mbox_pdata omap3xxx_mailbox_attrs = {
+ .num_users = 2,
+ .num_fifos = 2,
+ .info_cnt = ARRAY_SIZE(omap3xxx_mailbox_info),
+ .info = omap3xxx_mailbox_info,
+};
+
static struct omap_hwmod_irq_info omap3xxx_mailbox_irqs[] = {
{ .irq = 26 + OMAP_INTC_START, },
{ .irq = -1 },
@@ -1523,6 +1535,7 @@ static struct omap_hwmod omap3xxx_mailbox_hwmod = {
.idlest_idle_bit = OMAP3430_ST_MAILBOXES_SHIFT,
},
},
+ .dev_attr = &omap3xxx_mailbox_attrs,
};
/*
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 0adb2b85f83..6d9252e081c 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -28,7 +28,7 @@ config CPU_S3C2410
select CPU_ARM920T
select CPU_LLSERIAL_S3C2410
select S3C2410_CLOCK
- select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
+ select ARM_S3C2410_CPUFREQ if ARM_S3C24XX_CPUFREQ
select S3C2410_PM if PM
select SAMSUNG_HRT
select SAMSUNG_WDT_RESET
@@ -206,27 +206,38 @@ config S3C24XX_GPIO_EXTRA128
Add an extra 128 gpio numbers to the available GPIO pool. This is
available for boards that need extra gpios for external devices.
+config S3C24XX_PLL
+ bool "Support CPUfreq changing of PLL frequency (EXPERIMENTAL)"
+ depends on ARM_S3C24XX
+ help
+ Compile in support for changing the PLL frequency from the
+ S3C24XX series CPUfreq driver. The PLL takes time to settle
+ after a frequency change, so by default it is not enabled.
+
+ This also means that the PLL tables for the selected CPU(s) will
+ be built which may increase the size of the kernel image.
+
# cpu frequency items common between s3c2410 and s3c2440/s3c2442
config S3C2410_IOTIMING
bool
- depends on CPU_FREQ_S3C24XX
+ depends on ARM_S3C24XX_CPUFREQ
help
Internal node to select io timing code that is common to the s3c2410
and s3c2440/s3c2442 cpu frequency support.
config S3C2410_CPUFREQ_UTILS
- bool
- depends on CPU_FREQ_S3C24XX
- help
- Internal node to select timing code that is common to the s3c2410
- and s3c2440/s3c244 cpu frequency support.
+ bool
+ depends on ARM_S3C24XX_CPUFREQ
+ help
+ Internal node to select timing code that is common to the s3c2410
+ and s3c2440/s3c244 cpu frequency support.
# cpu frequency support common to s3c2412, s3c2413 and s3c2442
config S3C2412_IOTIMING
bool
- depends on CPU_FREQ_S3C24XX && (CPU_S3C2412 || CPU_S3C2443)
+ depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2412 || CPU_S3C2443)
help
Intel node to select io timing code that is common to the s3c2412
and the s3c2443.
@@ -235,16 +246,9 @@ config S3C2412_IOTIMING
if CPU_S3C2410
-config S3C2410_CPUFREQ
- bool
- depends on CPU_FREQ_S3C24XX
- select S3C2410_CPUFREQ_UTILS
- help
- CPU Frequency scaling support for S3C2410
-
config S3C2410_PLL
bool
- depends on S3C2410_CPUFREQ && CPU_FREQ_S3C24XX_PLL
+ depends on ARM_S3C2410_CPUFREQ && S3C24XX_PLL
default y
help
Select the PLL table for the S3C2410
@@ -280,7 +284,7 @@ config ARCH_BAST
bool "Simtec Electronics BAST (EB2410ITX)"
select ISA
select MACH_BAST_IDE
- select S3C2410_IOTIMING if S3C2410_CPUFREQ
+ select S3C2410_IOTIMING if ARM_S3C2410_CPUFREQ
select S3C24XX_DCLK
select S3C24XX_SIMTEC_NOR
select S3C24XX_SIMTEC_PM if PM
@@ -387,14 +391,6 @@ config CPU_S3C2412_ONLY
!CPU_S3C2442 && !CPU_S3C2443
default y
-config S3C2412_CPUFREQ
- bool
- depends on CPU_FREQ_S3C24XX
- default y
- select S3C2412_IOTIMING
- help
- CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
-
config S3C2412_DMA
bool
help
@@ -508,14 +504,6 @@ endif # CPU_S3C2416
if CPU_S3C2440
-config S3C2440_CPUFREQ
- bool "S3C2440/S3C2442 CPU Frequency scaling support"
- depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
- default y
- select S3C2410_CPUFREQ_UTILS
- help
- CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
-
config S3C2440_DMA
bool
help
@@ -535,15 +523,15 @@ config S3C2440_XTAL_16934400
config S3C2440_PLL_12000000
bool
- depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
- default y if CPU_FREQ_S3C24XX_PLL
+ depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_12000000
+ default y if S3C24XX_PLL
help
PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
config S3C2440_PLL_16934400
bool
- depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
- default y if CPU_FREQ_S3C24XX_PLL
+ depends on ARM_S3C2440_CPUFREQ && S3C2440_XTAL_16934400
+ default y if S3C24XX_PLL
help
PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
@@ -597,7 +585,7 @@ config MACH_NEXCODER_2440
config MACH_OSIRIS
bool "Simtec IM2440D20 (OSIRIS) module"
- select S3C2410_IOTIMING if S3C2440_CPUFREQ
+ select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ
select S3C2440_XTAL_12000000
select S3C24XX_DCLK
select S3C24XX_GPIO_EXTRA128
@@ -669,7 +657,7 @@ config MACH_RX1950
bool "HP iPAQ rx1950"
select I2C
select PM_H1940 if PM
- select S3C2410_IOTIMING if S3C2440_CPUFREQ
+ select S3C2410_IOTIMING if ARM_S3C2440_CPUFREQ
select S3C2440_XTAL_16934400
select S3C24XX_DCLK
select S3C24XX_PWM
diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile
index 6de730bada4..7f54e5b954c 100644
--- a/arch/arm/mach-s3c24xx/Makefile
+++ b/arch/arm/mach-s3c24xx/Makefile
@@ -17,13 +17,11 @@ obj- :=
obj-y += common.o
obj-$(CONFIG_CPU_S3C2410) += s3c2410.o
-obj-$(CONFIG_S3C2410_CPUFREQ) += cpufreq-s3c2410.o
obj-$(CONFIG_S3C2410_DMA) += dma-s3c2410.o
obj-$(CONFIG_S3C2410_PLL) += pll-s3c2410.o
obj-$(CONFIG_S3C2410_PM) += pm-s3c2410.o sleep-s3c2410.o
obj-$(CONFIG_CPU_S3C2412) += s3c2412.o clock-s3c2412.o
-obj-$(CONFIG_S3C2412_CPUFREQ) += cpufreq-s3c2412.o
obj-$(CONFIG_S3C2412_DMA) += dma-s3c2412.o
obj-$(CONFIG_S3C2412_PM) += pm-s3c2412.o
obj-$(CONFIG_S3C2412_PM_SLEEP) += sleep-s3c2412.o
@@ -34,7 +32,6 @@ obj-$(CONFIG_S3C2416_PM) += pm-s3c2416.o
obj-$(CONFIG_CPU_S3C2440) += s3c2440.o clock-s3c2440.o
obj-$(CONFIG_CPU_S3C2442) += s3c2442.o
obj-$(CONFIG_CPU_S3C244X) += s3c244x.o clock-s3c244x.o
-obj-$(CONFIG_S3C2440_CPUFREQ) += cpufreq-s3c2440.o
obj-$(CONFIG_S3C2440_DMA) += dma-s3c2440.o
obj-$(CONFIG_S3C2440_PLL_12000000) += pll-s3c2440-12000000.o
obj-$(CONFIG_S3C2440_PLL_16934400) += pll-s3c2440-16934400.o
@@ -59,9 +56,6 @@ obj-$(CONFIG_S3C2412_IOTIMING) += iotiming-s3c2412.o
obj-$(CONFIG_S3C2443_COMMON) += common-s3c2443.o
obj-$(CONFIG_S3C2443_DMA) += dma-s3c2443.o
-obj-$(CONFIG_CPU_FREQ_S3C24XX) += cpufreq.o
-obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpufreq-debugfs.o
-
#
# machine support
# following is ordered alphabetically by option text.
diff --git a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c b/arch/arm/mach-s3c24xx/cpufreq-debugfs.c
deleted file mode 100644
index 9b7b4289d66..00000000000
--- a/arch/arm/mach-s3c24xx/cpufreq-debugfs.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Copyright (c) 2009 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C24XX CPU Frequency scaling - debugfs status support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/debugfs.h>
-#include <linux/seq_file.h>
-#include <linux/err.h>
-
-#include <plat/cpu-freq-core.h>
-
-static struct dentry *dbgfs_root;
-static struct dentry *dbgfs_file_io;
-static struct dentry *dbgfs_file_info;
-static struct dentry *dbgfs_file_board;
-
-#define print_ns(x) ((x) / 10), ((x) % 10)
-
-static void show_max(struct seq_file *seq, struct s3c_freq *f)
-{
- seq_printf(seq, "MAX: F=%lu, H=%lu, P=%lu, A=%lu\n",
- f->fclk, f->hclk, f->pclk, f->armclk);
-}
-
-static int board_show(struct seq_file *seq, void *p)
-{
- struct s3c_cpufreq_config *cfg;
- struct s3c_cpufreq_board *brd;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- brd = cfg->board;
- if (!brd) {
- seq_printf(seq, "no board definition set?\n");
- return 0;
- }
-
- seq_printf(seq, "SDRAM refresh %u ns\n", brd->refresh);
- seq_printf(seq, "auto_io=%u\n", brd->auto_io);
- seq_printf(seq, "need_io=%u\n", brd->need_io);
-
- show_max(seq, &brd->max);
-
-
- return 0;
-}
-
-static int fops_board_open(struct inode *inode, struct file *file)
-{
- return single_open(file, board_show, NULL);
-}
-
-static const struct file_operations fops_board = {
- .open = fops_board_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int info_show(struct seq_file *seq, void *p)
-{
- struct s3c_cpufreq_config *cfg;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- seq_printf(seq, " FCLK %ld Hz\n", cfg->freq.fclk);
- seq_printf(seq, " HCLK %ld Hz (%lu.%lu ns)\n",
- cfg->freq.hclk, print_ns(cfg->freq.hclk_tns));
- seq_printf(seq, " PCLK %ld Hz\n", cfg->freq.hclk);
- seq_printf(seq, "ARMCLK %ld Hz\n", cfg->freq.armclk);
- seq_printf(seq, "\n");
-
- show_max(seq, &cfg->max);
-
- seq_printf(seq, "Divisors: P=%d, H=%d, A=%d, dvs=%s\n",
- cfg->divs.h_divisor, cfg->divs.p_divisor,
- cfg->divs.arm_divisor, cfg->divs.dvs ? "on" : "off");
- seq_printf(seq, "\n");
-
- seq_printf(seq, "lock_pll=%u\n", cfg->lock_pll);
-
- return 0;
-}
-
-static int fops_info_open(struct inode *inode, struct file *file)
-{
- return single_open(file, info_show, NULL);
-}
-
-static const struct file_operations fops_info = {
- .open = fops_info_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-static int io_show(struct seq_file *seq, void *p)
-{
- void (*show_bank)(struct seq_file *, struct s3c_cpufreq_config *, union s3c_iobank *);
- struct s3c_cpufreq_config *cfg;
- struct s3c_iotimings *iot;
- union s3c_iobank *iob;
- int bank;
-
- cfg = s3c_cpufreq_getconfig();
- if (!cfg) {
- seq_printf(seq, "no configuration registered\n");
- return 0;
- }
-
- show_bank = cfg->info->debug_io_show;
- if (!show_bank) {
- seq_printf(seq, "no code to show bank timing\n");
- return 0;
- }
-
- iot = s3c_cpufreq_getiotimings();
- if (!iot) {
- seq_printf(seq, "no io timings registered\n");
- return 0;
- }
-
- seq_printf(seq, "hclk period is %lu.%lu ns\n", print_ns(cfg->freq.hclk_tns));
-
- for (bank = 0; bank < MAX_BANKS; bank++) {
- iob = &iot->bank[bank];
-
- seq_printf(seq, "bank %d: ", bank);
-
- if (!iob->io_2410) {
- seq_printf(seq, "nothing set\n");
- continue;
- }
-
- show_bank(seq, cfg, iob);
- }
-
- return 0;
-}
-
-static int fops_io_open(struct inode *inode, struct file *file)
-{
- return single_open(file, io_show, NULL);
-}
-
-static const struct file_operations fops_io = {
- .open = fops_io_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .owner = THIS_MODULE,
-};
-
-
-static int __init s3c_freq_debugfs_init(void)
-{
- dbgfs_root = debugfs_create_dir("s3c-cpufreq", NULL);
- if (IS_ERR(dbgfs_root)) {
- printk(KERN_ERR "%s: error creating debugfs root\n", __func__);
- return PTR_ERR(dbgfs_root);
- }
-
- dbgfs_file_io = debugfs_create_file("io-timing", S_IRUGO, dbgfs_root,
- NULL, &fops_io);
-
- dbgfs_file_info = debugfs_create_file("info", S_IRUGO, dbgfs_root,
- NULL, &fops_info);
-
- dbgfs_file_board = debugfs_create_file("board", S_IRUGO, dbgfs_root,
- NULL, &fops_board);
-
- return 0;
-}
-
-late_initcall(s3c_freq_debugfs_init);
-
diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c
deleted file mode 100644
index cfa0dd8723e..00000000000
--- a/arch/arm/mach-s3c24xx/cpufreq-s3c2410.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Copyright (c) 2006-2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2410 CPU Frequency scaling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/device.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/cpu-freq-core.h>
-
-/* Note, 2410A has an extra mode for 1:4:4 ratio, bit 2 of CLKDIV */
-
-static void s3c2410_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
-{
- u32 clkdiv = 0;
-
- if (cfg->divs.h_divisor == 2)
- clkdiv |= S3C2410_CLKDIVN_HDIVN;
-
- if (cfg->divs.p_divisor != cfg->divs.h_divisor)
- clkdiv |= S3C2410_CLKDIVN_PDIVN;
-
- __raw_writel(clkdiv, S3C2410_CLKDIVN);
-}
-
-static int s3c2410_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
-{
- unsigned long hclk, fclk, pclk;
- unsigned int hdiv, pdiv;
- unsigned long hclk_max;
-
- fclk = cfg->freq.fclk;
- hclk_max = cfg->max.hclk;
-
- cfg->freq.armclk = fclk;
-
- s3c_freq_dbg("%s: fclk is %lu, max hclk %lu\n",
- __func__, fclk, hclk_max);
-
- hdiv = (fclk > cfg->max.hclk) ? 2 : 1;
- hclk = fclk / hdiv;
-
- if (hclk > cfg->max.hclk) {
- s3c_freq_dbg("%s: hclk too big\n", __func__);
- return -EINVAL;
- }
-
- pdiv = (hclk > cfg->max.pclk) ? 2 : 1;
- pclk = hclk / pdiv;
-
- if (pclk > cfg->max.pclk) {
- s3c_freq_dbg("%s: pclk too big\n", __func__);
- return -EINVAL;
- }
-
- pdiv *= hdiv;
-
- /* record the result */
- cfg->divs.p_divisor = pdiv;
- cfg->divs.h_divisor = hdiv;
-
- return 0;
-}
-
-static struct s3c_cpufreq_info s3c2410_cpufreq_info = {
- .max = {
- .fclk = 200000000,
- .hclk = 100000000,
- .pclk = 50000000,
- },
-
- /* transition latency is about 5ms worst-case, so
- * set 10ms to be sure */
- .latency = 10000000,
-
- .locktime_m = 150,
- .locktime_u = 150,
- .locktime_bits = 12,
-
- .need_pll = 1,
-
- .name = "s3c2410",
- .calc_iotiming = s3c2410_iotiming_calc,
- .set_iotiming = s3c2410_iotiming_set,
- .get_iotiming = s3c2410_iotiming_get,
- .resume_clocks = s3c2410_setup_clocks,
-
- .set_fvco = s3c2410_set_fvco,
- .set_refresh = s3c2410_cpufreq_setrefresh,
- .set_divs = s3c2410_cpufreq_setdivs,
- .calc_divs = s3c2410_cpufreq_calcdivs,
-
- .debug_io_show = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
-};
-
-static int s3c2410_cpufreq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- return s3c_cpufreq_register(&s3c2410_cpufreq_info);
-}
-
-static struct subsys_interface s3c2410_cpufreq_interface = {
- .name = "s3c2410_cpufreq",
- .subsys = &s3c2410_subsys,
- .add_dev = s3c2410_cpufreq_add,
-};
-
-static int __init s3c2410_cpufreq_init(void)
-{
- return subsys_interface_register(&s3c2410_cpufreq_interface);
-}
-arch_initcall(s3c2410_cpufreq_init);
-
-static int s3c2410a_cpufreq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- /* alter the maximum freq settings for S3C2410A. If a board knows
- * it only has a maximum of 200, then it should register its own
- * limits. */
-
- s3c2410_cpufreq_info.max.fclk = 266000000;
- s3c2410_cpufreq_info.max.hclk = 133000000;
- s3c2410_cpufreq_info.max.pclk = 66500000;
- s3c2410_cpufreq_info.name = "s3c2410a";
-
- return s3c2410_cpufreq_add(dev, sif);
-}
-
-static struct subsys_interface s3c2410a_cpufreq_interface = {
- .name = "s3c2410a_cpufreq",
- .subsys = &s3c2410a_subsys,
- .add_dev = s3c2410a_cpufreq_add,
-};
-
-static int __init s3c2410a_cpufreq_init(void)
-{
- return subsys_interface_register(&s3c2410a_cpufreq_interface);
-}
-arch_initcall(s3c2410a_cpufreq_init);
diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c
deleted file mode 100644
index 8bf0f3a7747..00000000000
--- a/arch/arm/mach-s3c24xx/cpufreq-s3c2412.c
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright 2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2412 CPU Frequency scalling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/cpu-freq-core.h>
-
-#include "s3c2412.h"
-
-/* our clock resources. */
-static struct clk *xtal;
-static struct clk *fclk;
-static struct clk *hclk;
-static struct clk *armclk;
-
-/* HDIV: 1, 2, 3, 4, 6, 8 */
-
-static int s3c2412_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
-{
- unsigned int hdiv, pdiv, armdiv, dvs;
- unsigned long hclk, fclk, armclk, armdiv_clk;
- unsigned long hclk_max;
-
- fclk = cfg->freq.fclk;
- armclk = cfg->freq.armclk;
- hclk_max = cfg->max.hclk;
-
- /* We can't run hclk above armclk as at the best we have to
- * have armclk and hclk in dvs mode. */
-
- if (hclk_max > armclk)
- hclk_max = armclk;
-
- s3c_freq_dbg("%s: fclk=%lu, armclk=%lu, hclk_max=%lu\n",
- __func__, fclk, armclk, hclk_max);
- s3c_freq_dbg("%s: want f=%lu, arm=%lu, h=%lu, p=%lu\n",
- __func__, cfg->freq.fclk, cfg->freq.armclk,
- cfg->freq.hclk, cfg->freq.pclk);
-
- armdiv = fclk / armclk;
-
- if (armdiv < 1)
- armdiv = 1;
- if (armdiv > 2)
- armdiv = 2;
-
- cfg->divs.arm_divisor = armdiv;
- armdiv_clk = fclk / armdiv;
-
- hdiv = armdiv_clk / hclk_max;
- if (hdiv < 1)
- hdiv = 1;
-
- cfg->freq.hclk = hclk = armdiv_clk / hdiv;
-
- /* set dvs depending on whether we reached armclk or not. */
- cfg->divs.dvs = dvs = armclk < armdiv_clk;
-
- /* update the actual armclk we achieved. */
- cfg->freq.armclk = dvs ? hclk : armdiv_clk;
-
- s3c_freq_dbg("%s: armclk %lu, hclk %lu, armdiv %d, hdiv %d, dvs %d\n",
- __func__, armclk, hclk, armdiv, hdiv, cfg->divs.dvs);
-
- if (hdiv > 4)
- goto invalid;
-
- pdiv = (hclk > cfg->max.pclk) ? 2 : 1;
-
- if ((hclk / pdiv) > cfg->max.pclk)
- pdiv++;
-
- cfg->freq.pclk = hclk / pdiv;
-
- s3c_freq_dbg("%s: pdiv %d\n", __func__, pdiv);
-
- if (pdiv > 2)
- goto invalid;
-
- pdiv *= hdiv;
-
- /* store the result, and then return */
-
- cfg->divs.h_divisor = hdiv * armdiv;
- cfg->divs.p_divisor = pdiv * armdiv;
-
- return 0;
-
-invalid:
- return -EINVAL;
-}
-
-static void s3c2412_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
-{
- unsigned long clkdiv;
- unsigned long olddiv;
-
- olddiv = clkdiv = __raw_readl(S3C2410_CLKDIVN);
-
- /* clear off current clock info */
-
- clkdiv &= ~S3C2412_CLKDIVN_ARMDIVN;
- clkdiv &= ~S3C2412_CLKDIVN_HDIVN_MASK;
- clkdiv &= ~S3C2412_CLKDIVN_PDIVN;
-
- if (cfg->divs.arm_divisor == 2)
- clkdiv |= S3C2412_CLKDIVN_ARMDIVN;
-
- clkdiv |= ((cfg->divs.h_divisor / cfg->divs.arm_divisor) - 1);
-
- if (cfg->divs.p_divisor != cfg->divs.h_divisor)
- clkdiv |= S3C2412_CLKDIVN_PDIVN;
-
- s3c_freq_dbg("%s: div %08lx => %08lx\n", __func__, olddiv, clkdiv);
- __raw_writel(clkdiv, S3C2410_CLKDIVN);
-
- clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk);
-}
-
-static void s3c2412_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg)
-{
- struct s3c_cpufreq_board *board = cfg->board;
- unsigned long refresh;
-
- s3c_freq_dbg("%s: refresh %u ns, hclk %lu\n", __func__,
- board->refresh, cfg->freq.hclk);
-
- /* Reduce both the refresh time (in ns) and the frequency (in MHz)
- * by 10 each to ensure that we do not overflow 32 bit numbers. This
- * should work for HCLK up to 133MHz and refresh period up to 30usec.
- */
-
- refresh = (board->refresh / 10);
- refresh *= (cfg->freq.hclk / 100);
- refresh /= (1 * 1000 * 1000); /* 10^6 */
-
- s3c_freq_dbg("%s: setting refresh 0x%08lx\n", __func__, refresh);
- __raw_writel(refresh, S3C2412_REFRESH);
-}
-
-/* set the default cpu frequency information, based on an 200MHz part
- * as we have no other way of detecting the speed rating in software.
- */
-
-static struct s3c_cpufreq_info s3c2412_cpufreq_info = {
- .max = {
- .fclk = 200000000,
- .hclk = 100000000,
- .pclk = 50000000,
- },
-
- .latency = 5000000, /* 5ms */
-
- .locktime_m = 150,
- .locktime_u = 150,
- .locktime_bits = 16,
-
- .name = "s3c2412",
- .set_refresh = s3c2412_cpufreq_setrefresh,
- .set_divs = s3c2412_cpufreq_setdivs,
- .calc_divs = s3c2412_cpufreq_calcdivs,
-
- .calc_iotiming = s3c2412_iotiming_calc,
- .set_iotiming = s3c2412_iotiming_set,
- .get_iotiming = s3c2412_iotiming_get,
-
- .resume_clocks = s3c2412_setup_clocks,
-
- .debug_io_show = s3c_cpufreq_debugfs_call(s3c2412_iotiming_debugfs),
-};
-
-static int s3c2412_cpufreq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- unsigned long fclk_rate;
-
- hclk = clk_get(NULL, "hclk");
- if (IS_ERR(hclk)) {
- printk(KERN_ERR "%s: cannot find hclk clock\n", __func__);
- return -ENOENT;
- }
-
- fclk = clk_get(NULL, "fclk");
- if (IS_ERR(fclk)) {
- printk(KERN_ERR "%s: cannot find fclk clock\n", __func__);
- goto err_fclk;
- }
-
- fclk_rate = clk_get_rate(fclk);
- if (fclk_rate > 200000000) {
- printk(KERN_INFO
- "%s: fclk %ld MHz, assuming 266MHz capable part\n",
- __func__, fclk_rate / 1000000);
- s3c2412_cpufreq_info.max.fclk = 266000000;
- s3c2412_cpufreq_info.max.hclk = 133000000;
- s3c2412_cpufreq_info.max.pclk = 66000000;
- }
-
- armclk = clk_get(NULL, "armclk");
- if (IS_ERR(armclk)) {
- printk(KERN_ERR "%s: cannot find arm clock\n", __func__);
- goto err_armclk;
- }
-
- xtal = clk_get(NULL, "xtal");
- if (IS_ERR(xtal)) {
- printk(KERN_ERR "%s: cannot find xtal clock\n", __func__);
- goto err_xtal;
- }
-
- return s3c_cpufreq_register(&s3c2412_cpufreq_info);
-
-err_xtal:
- clk_put(armclk);
-err_armclk:
- clk_put(fclk);
-err_fclk:
- clk_put(hclk);
-
- return -ENOENT;
-}
-
-static struct subsys_interface s3c2412_cpufreq_interface = {
- .name = "s3c2412_cpufreq",
- .subsys = &s3c2412_subsys,
- .add_dev = s3c2412_cpufreq_add,
-};
-
-static int s3c2412_cpufreq_init(void)
-{
- return subsys_interface_register(&s3c2412_cpufreq_interface);
-}
-arch_initcall(s3c2412_cpufreq_init);
diff --git a/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c b/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c
deleted file mode 100644
index 72b2cc8a5a8..00000000000
--- a/arch/arm/mach-s3c24xx/cpufreq-s3c2440.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * Copyright (c) 2006-2009 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- * Vincent Sanders <vince@simtec.co.uk>
- *
- * S3C2440/S3C2442 CPU Frequency scaling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/device.h>
-#include <linux/delay.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <mach/regs-clock.h>
-
-#include <plat/cpu.h>
-#include <plat/cpu-freq-core.h>
-#include <plat/clock.h>
-
-static struct clk *xtal;
-static struct clk *fclk;
-static struct clk *hclk;
-static struct clk *armclk;
-
-/* HDIV: 1, 2, 3, 4, 6, 8 */
-
-static inline int within_khz(unsigned long a, unsigned long b)
-{
- long diff = a - b;
-
- return (diff >= -1000 && diff <= 1000);
-}
-
-/**
- * s3c2440_cpufreq_calcdivs - calculate divider settings
- * @cfg: The cpu frequency settings.
- *
- * Calcualte the divider values for the given frequency settings
- * specified in @cfg. The values are stored in @cfg for later use
- * by the relevant set routine if the request settings can be reached.
- */
-int s3c2440_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
-{
- unsigned int hdiv, pdiv;
- unsigned long hclk, fclk, armclk;
- unsigned long hclk_max;
-
- fclk = cfg->freq.fclk;
- armclk = cfg->freq.armclk;
- hclk_max = cfg->max.hclk;
-
- s3c_freq_dbg("%s: fclk is %lu, armclk %lu, max hclk %lu\n",
- __func__, fclk, armclk, hclk_max);
-
- if (armclk > fclk) {
- printk(KERN_WARNING "%s: armclk > fclk\n", __func__);
- armclk = fclk;
- }
-
- /* if we are in DVS, we need HCLK to be <= ARMCLK */
- if (armclk < fclk && armclk < hclk_max)
- hclk_max = armclk;
-
- for (hdiv = 1; hdiv < 9; hdiv++) {
- if (hdiv == 5 || hdiv == 7)
- hdiv++;
-
- hclk = (fclk / hdiv);
- if (hclk <= hclk_max || within_khz(hclk, hclk_max))
- break;
- }
-
- s3c_freq_dbg("%s: hclk %lu, div %d\n", __func__, hclk, hdiv);
-
- if (hdiv > 8)
- goto invalid;
-
- pdiv = (hclk > cfg->max.pclk) ? 2 : 1;
-
- if ((hclk / pdiv) > cfg->max.pclk)
- pdiv++;
-
- s3c_freq_dbg("%s: pdiv %d\n", __func__, pdiv);
-
- if (pdiv > 2)
- goto invalid;
-
- pdiv *= hdiv;
-
- /* calculate a valid armclk */
-
- if (armclk < hclk)
- armclk = hclk;
-
- /* if we're running armclk lower than fclk, this really means
- * that the system should go into dvs mode, which means that
- * armclk is connected to hclk. */
- if (armclk < fclk) {
- cfg->divs.dvs = 1;
- armclk = hclk;
- } else
- cfg->divs.dvs = 0;
-
- cfg->freq.armclk = armclk;
-
- /* store the result, and then return */
-
- cfg->divs.h_divisor = hdiv;
- cfg->divs.p_divisor = pdiv;
-
- return 0;
-
- invalid:
- return -EINVAL;
-}
-
-#define CAMDIVN_HCLK_HALF (S3C2440_CAMDIVN_HCLK3_HALF | \
- S3C2440_CAMDIVN_HCLK4_HALF)
-
-/**
- * s3c2440_cpufreq_setdivs - set the cpu frequency divider settings
- * @cfg: The cpu frequency settings.
- *
- * Set the divisors from the settings in @cfg, which where generated
- * during the calculation phase by s3c2440_cpufreq_calcdivs().
- */
-static void s3c2440_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
-{
- unsigned long clkdiv, camdiv;
-
- s3c_freq_dbg("%s: divsiors: h=%d, p=%d\n", __func__,
- cfg->divs.h_divisor, cfg->divs.p_divisor);
-
- clkdiv = __raw_readl(S3C2410_CLKDIVN);
- camdiv = __raw_readl(S3C2440_CAMDIVN);
-
- clkdiv &= ~(S3C2440_CLKDIVN_HDIVN_MASK | S3C2440_CLKDIVN_PDIVN);
- camdiv &= ~CAMDIVN_HCLK_HALF;
-
- switch (cfg->divs.h_divisor) {
- case 1:
- clkdiv |= S3C2440_CLKDIVN_HDIVN_1;
- break;
-
- case 2:
- clkdiv |= S3C2440_CLKDIVN_HDIVN_2;
- break;
-
- case 6:
- camdiv |= S3C2440_CAMDIVN_HCLK3_HALF;
- case 3:
- clkdiv |= S3C2440_CLKDIVN_HDIVN_3_6;
- break;
-
- case 8:
- camdiv |= S3C2440_CAMDIVN_HCLK4_HALF;
- case 4:
- clkdiv |= S3C2440_CLKDIVN_HDIVN_4_8;
- break;
-
- default:
- BUG(); /* we don't expect to get here. */
- }
-
- if (cfg->divs.p_divisor != cfg->divs.h_divisor)
- clkdiv |= S3C2440_CLKDIVN_PDIVN;
-
- /* todo - set pclk. */
-
- /* Write the divisors first with hclk intentionally halved so that
- * when we write clkdiv we will under-frequency instead of over. We
- * then make a short delay and remove the hclk halving if necessary.
- */
-
- __raw_writel(camdiv | CAMDIVN_HCLK_HALF, S3C2440_CAMDIVN);
- __raw_writel(clkdiv, S3C2410_CLKDIVN);
-
- ndelay(20);
- __raw_writel(camdiv, S3C2440_CAMDIVN);
-
- clk_set_parent(armclk, cfg->divs.dvs ? hclk : fclk);
-}
-
-static int run_freq_for(unsigned long max_hclk, unsigned long fclk,
- int *divs,
- struct cpufreq_frequency_table *table,
- size_t table_size)
-{
- unsigned long freq;
- int index = 0;
- int div;
-
- for (div = *divs; div > 0; div = *divs++) {
- freq = fclk / div;
-
- if (freq > max_hclk && div != 1)
- continue;
-
- freq /= 1000; /* table is in kHz */
- index = s3c_cpufreq_addfreq(table, index, table_size, freq);
- if (index < 0)
- break;
- }
-
- return index;
-}
-
-static int hclk_divs[] = { 1, 2, 3, 4, 6, 8, -1 };
-
-static int s3c2440_cpufreq_calctable(struct s3c_cpufreq_config *cfg,
- struct cpufreq_frequency_table *table,
- size_t table_size)
-{
- int ret;
-
- WARN_ON(cfg->info == NULL);
- WARN_ON(cfg->board == NULL);
-
- ret = run_freq_for(cfg->info->max.hclk,
- cfg->info->max.fclk,
- hclk_divs,
- table, table_size);
-
- s3c_freq_dbg("%s: returning %d\n", __func__, ret);
-
- return ret;
-}
-
-struct s3c_cpufreq_info s3c2440_cpufreq_info = {
- .max = {
- .fclk = 400000000,
- .hclk = 133333333,
- .pclk = 66666666,
- },
-
- .locktime_m = 300,
- .locktime_u = 300,
- .locktime_bits = 16,
-
- .name = "s3c244x",
- .calc_iotiming = s3c2410_iotiming_calc,
- .set_iotiming = s3c2410_iotiming_set,
- .get_iotiming = s3c2410_iotiming_get,
- .set_fvco = s3c2410_set_fvco,
-
- .set_refresh = s3c2410_cpufreq_setrefresh,
- .set_divs = s3c2440_cpufreq_setdivs,
- .calc_divs = s3c2440_cpufreq_calcdivs,
- .calc_freqtable = s3c2440_cpufreq_calctable,
-
- .resume_clocks = s3c244x_setup_clocks,
-
- .debug_io_show = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
-};
-
-static int s3c2440_cpufreq_add(struct device *dev,
- struct subsys_interface *sif)
-{
- xtal = s3c_cpufreq_clk_get(NULL, "xtal");
- hclk = s3c_cpufreq_clk_get(NULL, "hclk");
- fclk = s3c_cpufreq_clk_get(NULL, "fclk");
- armclk = s3c_cpufreq_clk_get(NULL, "armclk");
-
- if (IS_ERR(xtal) || IS_ERR(hclk) || IS_ERR(fclk) || IS_ERR(armclk)) {
- printk(KERN_ERR "%s: failed to get clocks\n", __func__);
- return -ENOENT;
- }
-
- return s3c_cpufreq_register(&s3c2440_cpufreq_info);
-}
-
-static struct subsys_interface s3c2440_cpufreq_interface = {
- .name = "s3c2440_cpufreq",
- .subsys = &s3c2440_subsys,
- .add_dev = s3c2440_cpufreq_add,
-};
-
-static int s3c2440_cpufreq_init(void)
-{
- return subsys_interface_register(&s3c2440_cpufreq_interface);
-}
-
-/* arch_initcall adds the clocks we need, so use subsys_initcall. */
-subsys_initcall(s3c2440_cpufreq_init);
-
-static struct subsys_interface s3c2442_cpufreq_interface = {
- .name = "s3c2442_cpufreq",
- .subsys = &s3c2442_subsys,
- .add_dev = s3c2440_cpufreq_add,
-};
-
-static int s3c2442_cpufreq_init(void)
-{
- return subsys_interface_register(&s3c2442_cpufreq_interface);
-}
-subsys_initcall(s3c2442_cpufreq_init);
diff --git a/arch/arm/mach-s3c24xx/cpufreq.c b/arch/arm/mach-s3c24xx/cpufreq.c
deleted file mode 100644
index 3c0e78ede0d..00000000000
--- a/arch/arm/mach-s3c24xx/cpufreq.c
+++ /dev/null
@@ -1,711 +0,0 @@
-/*
- * Copyright (c) 2006-2008 Simtec Electronics
- * http://armlinux.simtec.co.uk/
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C24XX CPU Frequency scaling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/cpufreq.h>
-#include <linux/cpu.h>
-#include <linux/clk.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/device.h>
-#include <linux/sysfs.h>
-#include <linux/slab.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/cpu-freq-core.h>
-
-#include <mach/regs-clock.h>
-
-/* note, cpufreq support deals in kHz, no Hz */
-
-static struct cpufreq_driver s3c24xx_driver;
-static struct s3c_cpufreq_config cpu_cur;
-static struct s3c_iotimings s3c24xx_iotiming;
-static struct cpufreq_frequency_table *pll_reg;
-static unsigned int last_target = ~0;
-static unsigned int ftab_size;
-static struct cpufreq_frequency_table *ftab;
-
-static struct clk *_clk_mpll;
-static struct clk *_clk_xtal;
-static struct clk *clk_fclk;
-static struct clk *clk_hclk;
-static struct clk *clk_pclk;
-static struct clk *clk_arm;
-
-#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
-struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void)
-{
- return &cpu_cur;
-}
-
-struct s3c_iotimings *s3c_cpufreq_getiotimings(void)
-{
- return &s3c24xx_iotiming;
-}
-#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUGFS */
-
-static void s3c_cpufreq_getcur(struct s3c_cpufreq_config *cfg)
-{
- unsigned long fclk, pclk, hclk, armclk;
-
- cfg->freq.fclk = fclk = clk_get_rate(clk_fclk);
- cfg->freq.hclk = hclk = clk_get_rate(clk_hclk);
- cfg->freq.pclk = pclk = clk_get_rate(clk_pclk);
- cfg->freq.armclk = armclk = clk_get_rate(clk_arm);
-
- cfg->pll.index = __raw_readl(S3C2410_MPLLCON);
- cfg->pll.frequency = fclk;
-
- cfg->freq.hclk_tns = 1000000000 / (cfg->freq.hclk / 10);
-
- cfg->divs.h_divisor = fclk / hclk;
- cfg->divs.p_divisor = fclk / pclk;
-}
-
-static inline void s3c_cpufreq_calc(struct s3c_cpufreq_config *cfg)
-{
- unsigned long pll = cfg->pll.frequency;
-
- cfg->freq.fclk = pll;
- cfg->freq.hclk = pll / cfg->divs.h_divisor;
- cfg->freq.pclk = pll / cfg->divs.p_divisor;
-
- /* convert hclk into 10ths of nanoseconds for io calcs */
- cfg->freq.hclk_tns = 1000000000 / (cfg->freq.hclk / 10);
-}
-
-static inline int closer(unsigned int target, unsigned int n, unsigned int c)
-{
- int diff_cur = abs(target - c);
- int diff_new = abs(target - n);
-
- return (diff_new < diff_cur);
-}
-
-static void s3c_cpufreq_show(const char *pfx,
- struct s3c_cpufreq_config *cfg)
-{
- s3c_freq_dbg("%s: Fvco=%u, F=%lu, A=%lu, H=%lu (%u), P=%lu (%u)\n",
- pfx, cfg->pll.frequency, cfg->freq.fclk, cfg->freq.armclk,
- cfg->freq.hclk, cfg->divs.h_divisor,
- cfg->freq.pclk, cfg->divs.p_divisor);
-}
-
-/* functions to wrapper the driver info calls to do the cpu specific work */
-
-static void s3c_cpufreq_setio(struct s3c_cpufreq_config *cfg)
-{
- if (cfg->info->set_iotiming)
- (cfg->info->set_iotiming)(cfg, &s3c24xx_iotiming);
-}
-
-static int s3c_cpufreq_calcio(struct s3c_cpufreq_config *cfg)
-{
- if (cfg->info->calc_iotiming)
- return (cfg->info->calc_iotiming)(cfg, &s3c24xx_iotiming);
-
- return 0;
-}
-
-static void s3c_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg)
-{
- (cfg->info->set_refresh)(cfg);
-}
-
-static void s3c_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
-{
- (cfg->info->set_divs)(cfg);
-}
-
-static int s3c_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
-{
- return (cfg->info->calc_divs)(cfg);
-}
-
-static void s3c_cpufreq_setfvco(struct s3c_cpufreq_config *cfg)
-{
- (cfg->info->set_fvco)(cfg);
-}
-
-static inline void s3c_cpufreq_resume_clocks(void)
-{
- cpu_cur.info->resume_clocks();
-}
-
-static inline void s3c_cpufreq_updateclk(struct clk *clk,
- unsigned int freq)
-{
- clk_set_rate(clk, freq);
-}
-
-static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
- unsigned int target_freq,
- struct cpufreq_frequency_table *pll)
-{
- struct s3c_cpufreq_freqs freqs;
- struct s3c_cpufreq_config cpu_new;
- unsigned long flags;
-
- cpu_new = cpu_cur; /* copy new from current */
-
- s3c_cpufreq_show("cur", &cpu_cur);
-
- /* TODO - check for DMA currently outstanding */
-
- cpu_new.pll = pll ? *pll : cpu_cur.pll;
-
- if (pll)
- freqs.pll_changing = 1;
-
- /* update our frequencies */
-
- cpu_new.freq.armclk = target_freq;
- cpu_new.freq.fclk = cpu_new.pll.frequency;
-
- if (s3c_cpufreq_calcdivs(&cpu_new) < 0) {
- printk(KERN_ERR "no divisors for %d\n", target_freq);
- goto err_notpossible;
- }
-
- s3c_freq_dbg("%s: got divs\n", __func__);
-
- s3c_cpufreq_calc(&cpu_new);
-
- s3c_freq_dbg("%s: calculated frequencies for new\n", __func__);
-
- if (cpu_new.freq.hclk != cpu_cur.freq.hclk) {
- if (s3c_cpufreq_calcio(&cpu_new) < 0) {
- printk(KERN_ERR "%s: no IO timings\n", __func__);
- goto err_notpossible;
- }
- }
-
- s3c_cpufreq_show("new", &cpu_new);
-
- /* setup our cpufreq parameters */
-
- freqs.old = cpu_cur.freq;
- freqs.new = cpu_new.freq;
-
- freqs.freqs.old = cpu_cur.freq.armclk / 1000;
- freqs.freqs.new = cpu_new.freq.armclk / 1000;
-
- /* update f/h/p clock settings before we issue the change
- * notification, so that drivers do not need to do anything
- * special if they want to recalculate on CPUFREQ_PRECHANGE. */
-
- s3c_cpufreq_updateclk(_clk_mpll, cpu_new.pll.frequency);
- s3c_cpufreq_updateclk(clk_fclk, cpu_new.freq.fclk);
- s3c_cpufreq_updateclk(clk_hclk, cpu_new.freq.hclk);
- s3c_cpufreq_updateclk(clk_pclk, cpu_new.freq.pclk);
-
- /* start the frequency change */
- cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_PRECHANGE);
-
- /* If hclk is staying the same, then we do not need to
- * re-write the IO or the refresh timings whilst we are changing
- * speed. */
-
- local_irq_save(flags);
-
- /* is our memory clock slowing down? */
- if (cpu_new.freq.hclk < cpu_cur.freq.hclk) {
- s3c_cpufreq_setrefresh(&cpu_new);
- s3c_cpufreq_setio(&cpu_new);
- }
-
- if (cpu_new.freq.fclk == cpu_cur.freq.fclk) {
- /* not changing PLL, just set the divisors */
-
- s3c_cpufreq_setdivs(&cpu_new);
- } else {
- if (cpu_new.freq.fclk < cpu_cur.freq.fclk) {
- /* slow the cpu down, then set divisors */
-
- s3c_cpufreq_setfvco(&cpu_new);
- s3c_cpufreq_setdivs(&cpu_new);
- } else {
- /* set the divisors, then speed up */
-
- s3c_cpufreq_setdivs(&cpu_new);
- s3c_cpufreq_setfvco(&cpu_new);
- }
- }
-
- /* did our memory clock speed up */
- if (cpu_new.freq.hclk > cpu_cur.freq.hclk) {
- s3c_cpufreq_setrefresh(&cpu_new);
- s3c_cpufreq_setio(&cpu_new);
- }
-
- /* update our current settings */
- cpu_cur = cpu_new;
-
- local_irq_restore(flags);
-
- /* notify everyone we've done this */
- cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_POSTCHANGE);
-
- s3c_freq_dbg("%s: finished\n", __func__);
- return 0;
-
- err_notpossible:
- printk(KERN_ERR "no compatible settings for %d\n", target_freq);
- return -EINVAL;
-}
-
-/* s3c_cpufreq_target
- *
- * called by the cpufreq core to adjust the frequency that the CPU
- * is currently running at.
- */
-
-static int s3c_cpufreq_target(struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- struct cpufreq_frequency_table *pll;
- unsigned int index;
-
- /* avoid repeated calls which cause a needless amout of duplicated
- * logging output (and CPU time as the calculation process is
- * done) */
- if (target_freq == last_target)
- return 0;
-
- last_target = target_freq;
-
- s3c_freq_dbg("%s: policy %p, target %u, relation %u\n",
- __func__, policy, target_freq, relation);
-
- if (ftab) {
- if (cpufreq_frequency_table_target(policy, ftab,
- target_freq, relation,
- &index)) {
- s3c_freq_dbg("%s: table failed\n", __func__);
- return -EINVAL;
- }
-
- s3c_freq_dbg("%s: adjust %d to entry %d (%u)\n", __func__,
- target_freq, index, ftab[index].frequency);
- target_freq = ftab[index].frequency;
- }
-
- target_freq *= 1000; /* convert target to Hz */
-
- /* find the settings for our new frequency */
-
- if (!pll_reg || cpu_cur.lock_pll) {
- /* either we've not got any PLL values, or we've locked
- * to the current one. */
- pll = NULL;
- } else {
- struct cpufreq_policy tmp_policy;
- int ret;
-
- /* we keep the cpu pll table in Hz, to ensure we get an
- * accurate value for the PLL output. */
-
- tmp_policy.min = policy->min * 1000;
- tmp_policy.max = policy->max * 1000;
- tmp_policy.cpu = policy->cpu;
-
- /* cpufreq_frequency_table_target uses a pointer to 'index'
- * which is the number of the table entry, not the value of
- * the table entry's index field. */
-
- ret = cpufreq_frequency_table_target(&tmp_policy, pll_reg,
- target_freq, relation,
- &index);
-
- if (ret < 0) {
- printk(KERN_ERR "%s: no PLL available\n", __func__);
- goto err_notpossible;
- }
-
- pll = pll_reg + index;
-
- s3c_freq_dbg("%s: target %u => %u\n",
- __func__, target_freq, pll->frequency);
-
- target_freq = pll->frequency;
- }
-
- return s3c_cpufreq_settarget(policy, target_freq, pll);
-
- err_notpossible:
- printk(KERN_ERR "no compatible settings for %d\n", target_freq);
- return -EINVAL;
-}
-
-static unsigned int s3c_cpufreq_get(unsigned int cpu)
-{
- return clk_get_rate(clk_arm) / 1000;
-}
-
-struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name)
-{
- struct clk *clk;
-
- clk = clk_get(dev, name);
- if (IS_ERR(clk))
- printk(KERN_ERR "cpufreq: failed to get clock '%s'\n", name);
-
- return clk;
-}
-
-static int s3c_cpufreq_init(struct cpufreq_policy *policy)
-{
- printk(KERN_INFO "%s: initialising policy %p\n", __func__, policy);
-
- if (policy->cpu != 0)
- return -EINVAL;
-
- policy->cur = s3c_cpufreq_get(0);
- policy->min = policy->cpuinfo.min_freq = 0;
- policy->max = policy->cpuinfo.max_freq = cpu_cur.info->max.fclk / 1000;
- policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
-
- /* feed the latency information from the cpu driver */
- policy->cpuinfo.transition_latency = cpu_cur.info->latency;
-
- if (ftab)
- cpufreq_frequency_table_cpuinfo(policy, ftab);
-
- return 0;
-}
-
-static __init int s3c_cpufreq_initclks(void)
-{
- _clk_mpll = s3c_cpufreq_clk_get(NULL, "mpll");
- _clk_xtal = s3c_cpufreq_clk_get(NULL, "xtal");
- clk_fclk = s3c_cpufreq_clk_get(NULL, "fclk");
- clk_hclk = s3c_cpufreq_clk_get(NULL, "hclk");
- clk_pclk = s3c_cpufreq_clk_get(NULL, "pclk");
- clk_arm = s3c_cpufreq_clk_get(NULL, "armclk");
-
- if (IS_ERR(clk_fclk) || IS_ERR(clk_hclk) || IS_ERR(clk_pclk) ||
- IS_ERR(_clk_mpll) || IS_ERR(clk_arm) || IS_ERR(_clk_xtal)) {
- printk(KERN_ERR "%s: could not get clock(s)\n", __func__);
- return -ENOENT;
- }
-
- printk(KERN_INFO "%s: clocks f=%lu,h=%lu,p=%lu,a=%lu\n", __func__,
- clk_get_rate(clk_fclk) / 1000,
- clk_get_rate(clk_hclk) / 1000,
- clk_get_rate(clk_pclk) / 1000,
- clk_get_rate(clk_arm) / 1000);
-
- return 0;
-}
-
-static int s3c_cpufreq_verify(struct cpufreq_policy *policy)
-{
- if (policy->cpu != 0)
- return -EINVAL;
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static struct cpufreq_frequency_table suspend_pll;
-static unsigned int suspend_freq;
-
-static int s3c_cpufreq_suspend(struct cpufreq_policy *policy)
-{
- suspend_pll.frequency = clk_get_rate(_clk_mpll);
- suspend_pll.index = __raw_readl(S3C2410_MPLLCON);
- suspend_freq = s3c_cpufreq_get(0) * 1000;
-
- return 0;
-}
-
-static int s3c_cpufreq_resume(struct cpufreq_policy *policy)
-{
- int ret;
-
- s3c_freq_dbg("%s: resuming with policy %p\n", __func__, policy);
-
- last_target = ~0; /* invalidate last_target setting */
-
- /* first, find out what speed we resumed at. */
- s3c_cpufreq_resume_clocks();
-
- /* whilst we will be called later on, we try and re-set the
- * cpu frequencies as soon as possible so that we do not end
- * up resuming devices and then immediately having to re-set
- * a number of settings once these devices have restarted.
- *
- * as a note, it is expected devices are not used until they
- * have been un-suspended and at that time they should have
- * used the updated clock settings.
- */
-
- ret = s3c_cpufreq_settarget(NULL, suspend_freq, &suspend_pll);
- if (ret) {
- printk(KERN_ERR "%s: failed to reset pll/freq\n", __func__);
- return ret;
- }
-
- return 0;
-}
-#else
-#define s3c_cpufreq_resume NULL
-#define s3c_cpufreq_suspend NULL
-#endif
-
-static struct cpufreq_driver s3c24xx_driver = {
- .flags = CPUFREQ_STICKY,
- .verify = s3c_cpufreq_verify,
- .target = s3c_cpufreq_target,
- .get = s3c_cpufreq_get,
- .init = s3c_cpufreq_init,
- .suspend = s3c_cpufreq_suspend,
- .resume = s3c_cpufreq_resume,
- .name = "s3c24xx",
-};
-
-
-int __init s3c_cpufreq_register(struct s3c_cpufreq_info *info)
-{
- if (!info || !info->name) {
- printk(KERN_ERR "%s: failed to pass valid information\n",
- __func__);
- return -EINVAL;
- }
-
- printk(KERN_INFO "S3C24XX CPU Frequency driver, %s cpu support\n",
- info->name);
-
- /* check our driver info has valid data */
-
- BUG_ON(info->set_refresh == NULL);
- BUG_ON(info->set_divs == NULL);
- BUG_ON(info->calc_divs == NULL);
-
- /* info->set_fvco is optional, depending on whether there
- * is a need to set the clock code. */
-
- cpu_cur.info = info;
-
- /* Note, driver registering should probably update locktime */
-
- return 0;
-}
-
-int __init s3c_cpufreq_setboard(struct s3c_cpufreq_board *board)
-{
- struct s3c_cpufreq_board *ours;
-
- if (!board) {
- printk(KERN_INFO "%s: no board data\n", __func__);
- return -EINVAL;
- }
-
- /* Copy the board information so that each board can make this
- * initdata. */
-
- ours = kzalloc(sizeof(struct s3c_cpufreq_board), GFP_KERNEL);
- if (ours == NULL) {
- printk(KERN_ERR "%s: no memory\n", __func__);
- return -ENOMEM;
- }
-
- *ours = *board;
- cpu_cur.board = ours;
-
- return 0;
-}
-
-int __init s3c_cpufreq_auto_io(void)
-{
- int ret;
-
- if (!cpu_cur.info->get_iotiming) {
- printk(KERN_ERR "%s: get_iotiming undefined\n", __func__);
- return -ENOENT;
- }
-
- printk(KERN_INFO "%s: working out IO settings\n", __func__);
-
- ret = (cpu_cur.info->get_iotiming)(&cpu_cur, &s3c24xx_iotiming);
- if (ret)
- printk(KERN_ERR "%s: failed to get timings\n", __func__);
-
- return ret;
-}
-
-/* if one or is zero, then return the other, otherwise return the min */
-#define do_min(_a, _b) ((_a) == 0 ? (_b) : (_b) == 0 ? (_a) : min(_a, _b))
-
-/**
- * s3c_cpufreq_freq_min - find the minimum settings for the given freq.
- * @dst: The destination structure
- * @a: One argument.
- * @b: The other argument.
- *
- * Create a minimum of each frequency entry in the 'struct s3c_freq',
- * unless the entry is zero when it is ignored and the non-zero argument
- * used.
- */
-static void s3c_cpufreq_freq_min(struct s3c_freq *dst,
- struct s3c_freq *a, struct s3c_freq *b)
-{
- dst->fclk = do_min(a->fclk, b->fclk);
- dst->hclk = do_min(a->hclk, b->hclk);
- dst->pclk = do_min(a->pclk, b->pclk);
- dst->armclk = do_min(a->armclk, b->armclk);
-}
-
-static inline u32 calc_locktime(u32 freq, u32 time_us)
-{
- u32 result;
-
- result = freq * time_us;
- result = DIV_ROUND_UP(result, 1000 * 1000);
-
- return result;
-}
-
-static void s3c_cpufreq_update_loctkime(void)
-{
- unsigned int bits = cpu_cur.info->locktime_bits;
- u32 rate = (u32)clk_get_rate(_clk_xtal);
- u32 val;
-
- if (bits == 0) {
- WARN_ON(1);
- return;
- }
-
- val = calc_locktime(rate, cpu_cur.info->locktime_u) << bits;
- val |= calc_locktime(rate, cpu_cur.info->locktime_m);
-
- printk(KERN_INFO "%s: new locktime is 0x%08x\n", __func__, val);
- __raw_writel(val, S3C2410_LOCKTIME);
-}
-
-static int s3c_cpufreq_build_freq(void)
-{
- int size, ret;
-
- if (!cpu_cur.info->calc_freqtable)
- return -EINVAL;
-
- kfree(ftab);
- ftab = NULL;
-
- size = cpu_cur.info->calc_freqtable(&cpu_cur, NULL, 0);
- size++;
-
- ftab = kmalloc(sizeof(struct cpufreq_frequency_table) * size, GFP_KERNEL);
- if (!ftab) {
- printk(KERN_ERR "%s: no memory for tables\n", __func__);
- return -ENOMEM;
- }
-
- ftab_size = size;
-
- ret = cpu_cur.info->calc_freqtable(&cpu_cur, ftab, size);
- s3c_cpufreq_addfreq(ftab, ret, size, CPUFREQ_TABLE_END);
-
- return 0;
-}
-
-static int __init s3c_cpufreq_initcall(void)
-{
- int ret = 0;
-
- if (cpu_cur.info && cpu_cur.board) {
- ret = s3c_cpufreq_initclks();
- if (ret)
- goto out;
-
- /* get current settings */
- s3c_cpufreq_getcur(&cpu_cur);
- s3c_cpufreq_show("cur", &cpu_cur);
-
- if (cpu_cur.board->auto_io) {
- ret = s3c_cpufreq_auto_io();
- if (ret) {
- printk(KERN_ERR "%s: failed to get io timing\n",
- __func__);
- goto out;
- }
- }
-
- if (cpu_cur.board->need_io && !cpu_cur.info->set_iotiming) {
- printk(KERN_ERR "%s: no IO support registered\n",
- __func__);
- ret = -EINVAL;
- goto out;
- }
-
- if (!cpu_cur.info->need_pll)
- cpu_cur.lock_pll = 1;
-
- s3c_cpufreq_update_loctkime();
-
- s3c_cpufreq_freq_min(&cpu_cur.max, &cpu_cur.board->max,
- &cpu_cur.info->max);
-
- if (cpu_cur.info->calc_freqtable)
- s3c_cpufreq_build_freq();
-
- ret = cpufreq_register_driver(&s3c24xx_driver);
- }
-
- out:
- return ret;
-}
-
-late_initcall(s3c_cpufreq_initcall);
-
-/**
- * s3c_plltab_register - register CPU PLL table.
- * @plls: The list of PLL entries.
- * @plls_no: The size of the PLL entries @plls.
- *
- * Register the given set of PLLs with the system.
- */
-int __init s3c_plltab_register(struct cpufreq_frequency_table *plls,
- unsigned int plls_no)
-{
- struct cpufreq_frequency_table *vals;
- unsigned int size;
-
- size = sizeof(struct cpufreq_frequency_table) * (plls_no + 1);
-
- vals = kmalloc(size, GFP_KERNEL);
- if (vals) {
- memcpy(vals, plls, size);
- pll_reg = vals;
-
- /* write a terminating entry, we don't store it in the
- * table that is stored in the kernel */
- vals += plls_no;
- vals->frequency = CPUFREQ_TABLE_END;
-
- printk(KERN_INFO "cpufreq: %d PLL entries\n", plls_no);
- } else
- printk(KERN_ERR "cpufreq: no memory for PLL tables\n");
-
- return vals ? 0 : -ENOMEM;
-}
diff --git a/arch/arm/mach-s3c24xx/s3c2412.h b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h
index 548ced42cbb..548ced42cbb 100644
--- a/arch/arm/mach-s3c24xx/s3c2412.h
+++ b/arch/arm/mach-s3c24xx/include/mach/s3c2412.h
diff --git a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c
index 663436d9db0..bd064c05c47 100644
--- a/arch/arm/mach-s3c24xx/iotiming-s3c2412.c
+++ b/arch/arm/mach-s3c24xx/iotiming-s3c2412.c
@@ -31,7 +31,7 @@
#include <plat/cpu-freq-core.h>
#include <plat/clock.h>
-#include "s3c2412.h"
+#include <mach/s3c2412.h>
#define print_ns(x) ((x) / 10), ((x) % 10)
diff --git a/arch/arm/mach-ux500/board-mop500-audio.c b/arch/arm/mach-ux500/board-mop500-audio.c
index aba9e569295..bfe443daf4b 100644
--- a/arch/arm/mach-ux500/board-mop500-audio.c
+++ b/arch/arm/mach-ux500/board-mop500-audio.c
@@ -21,28 +21,14 @@
static struct stedma40_chan_cfg msp0_dma_rx = {
.high_priority = true,
- .dir = STEDMA40_PERIPH_TO_MEM,
-
- .src_dev_type = DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
- /* data_width is set during configuration */
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
};
static struct stedma40_chan_cfg msp0_dma_tx = {
.high_priority = true,
- .dir = STEDMA40_MEM_TO_PERIPH,
-
- .src_dev_type = STEDMA40_DEV_DST_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX,
-
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
- /* data_width is set during configuration */
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV31_MSP0_SLIM0_CH0,
};
struct msp_i2s_platform_data msp0_platform_data = {
@@ -53,28 +39,14 @@ struct msp_i2s_platform_data msp0_platform_data = {
static struct stedma40_chan_cfg msp1_dma_rx = {
.high_priority = true,
- .dir = STEDMA40_PERIPH_TO_MEM,
-
- .src_dev_type = DB8500_DMA_DEV30_MSP3_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
- /* data_width is set during configuration */
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV30_MSP3,
};
static struct stedma40_chan_cfg msp1_dma_tx = {
.high_priority = true,
- .dir = STEDMA40_MEM_TO_PERIPH,
-
- .src_dev_type = STEDMA40_DEV_DST_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV30_MSP1_TX,
-
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
- /* data_width is set during configuration */
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV30_MSP1,
};
struct msp_i2s_platform_data msp1_platform_data = {
@@ -85,32 +57,16 @@ struct msp_i2s_platform_data msp1_platform_data = {
static struct stedma40_chan_cfg msp2_dma_rx = {
.high_priority = true,
- .dir = STEDMA40_PERIPH_TO_MEM,
-
- .src_dev_type = DB8500_DMA_DEV14_MSP2_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
-
- /* MSP2 DMA doesn't work with PSIZE == 4 on DB8500v2 */
- .src_info.psize = STEDMA40_PSIZE_LOG_1,
- .dst_info.psize = STEDMA40_PSIZE_LOG_1,
-
- /* data_width is set during configuration */
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV14_MSP2,
};
static struct stedma40_chan_cfg msp2_dma_tx = {
.high_priority = true,
- .dir = STEDMA40_MEM_TO_PERIPH,
-
- .src_dev_type = STEDMA40_DEV_DST_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV14_MSP2_TX,
-
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
-
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV14_MSP2,
.use_fixed_channel = true,
.phy_channel = 1,
-
- /* data_width is set during configuration */
};
static struct platform_device *db8500_add_msp_i2s(struct device *parent,
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c
index 43be3e0d4e3..b3e61a38e5c 100644
--- a/arch/arm/mach-ux500/board-mop500-sdi.c
+++ b/arch/arm/mach-ux500/board-mop500-sdi.c
@@ -34,20 +34,14 @@
#ifdef CONFIG_STE_DMA40
struct stedma40_chan_cfg mop500_sdi0_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV29_SD_MM0_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV29_SD_MM0,
};
static struct stedma40_chan_cfg mop500_sdi0_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV29_SD_MM0_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV29_SD_MM0,
};
#endif
@@ -89,20 +83,14 @@ void mop500_sdi_tc35892_init(struct device *parent)
#ifdef CONFIG_STE_DMA40
static struct stedma40_chan_cfg sdi1_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV32_SD_MM1_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV32_SD_MM1,
};
static struct stedma40_chan_cfg sdi1_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV32_SD_MM1_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV32_SD_MM1,
};
#endif
@@ -127,20 +115,14 @@ struct mmci_platform_data mop500_sdi1_data = {
#ifdef CONFIG_STE_DMA40
struct stedma40_chan_cfg mop500_sdi2_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV28_SD_MM2_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV28_SD_MM2,
};
static struct stedma40_chan_cfg mop500_sdi2_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV28_SD_MM2_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV28_SD_MM2,
};
#endif
@@ -169,20 +151,14 @@ struct mmci_platform_data mop500_sdi2_data = {
#ifdef CONFIG_STE_DMA40
struct stedma40_chan_cfg mop500_sdi4_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV42_SD_MM4_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV42_SD_MM4,
};
static struct stedma40_chan_cfg mop500_sdi4_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV42_SD_MM4_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV42_SD_MM4,
};
#endif
diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c
index 78389de94dd..df5d27a532e 100644
--- a/arch/arm/mach-ux500/board-mop500.c
+++ b/arch/arm/mach-ux500/board-mop500.c
@@ -413,47 +413,23 @@ static void mop500_prox_deactivate(struct device *dev)
regulator_put(prox_regulator);
}
-void mop500_snowball_ethernet_clock_enable(void)
-{
- struct clk *clk;
-
- clk = clk_get_sys("fsmc", NULL);
- if (!IS_ERR(clk))
- clk_prepare_enable(clk);
-}
-
static struct cryp_platform_data u8500_cryp1_platform_data = {
.mem_to_engine = {
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV48_CAC1_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV48_CAC1,
.mode = STEDMA40_MODE_LOGICAL,
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
},
.engine_to_mem = {
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV48_CAC1_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV48_CAC1,
.mode = STEDMA40_MODE_LOGICAL,
- .src_info.psize = STEDMA40_PSIZE_LOG_4,
- .dst_info.psize = STEDMA40_PSIZE_LOG_4,
}
};
static struct stedma40_chan_cfg u8500_hash_dma_cfg_tx = {
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV50_HAC1_TX,
- .src_info.data_width = STEDMA40_WORD_WIDTH,
- .dst_info.data_width = STEDMA40_WORD_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV50_HAC1_TX,
.mode = STEDMA40_MODE_LOGICAL,
- .src_info.psize = STEDMA40_PSIZE_LOG_16,
- .dst_info.psize = STEDMA40_PSIZE_LOG_16,
};
static struct hash_platform_data u8500_hash1_platform_data = {
@@ -470,20 +446,14 @@ static struct platform_device *mop500_platform_devs[] __initdata = {
#ifdef CONFIG_STE_DMA40
static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV8_SSP0_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV8_SSP0,
};
static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV8_SSP0,
};
#endif
@@ -511,56 +481,38 @@ static void __init mop500_spi_init(struct device *parent)
#ifdef CONFIG_STE_DMA40
static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV13_UART0_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV13_UART0,
};
static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV13_UART0,
};
static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV12_UART1_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV12_UART1,
};
static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV12_UART1,
};
static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_PERIPH_TO_MEM,
- .src_dev_type = DB8500_DMA_DEV11_UART2_RX,
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_DEV_TO_MEM,
+ .dev_type = DB8500_DMA_DEV11_UART2,
};
static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
.mode = STEDMA40_MODE_LOGICAL,
- .dir = STEDMA40_MEM_TO_PERIPH,
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
- .dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
+ .dir = DMA_MEM_TO_DEV,
+ .dev_type = DB8500_DMA_DEV11_UART2,
};
#endif
@@ -674,7 +626,7 @@ static void __init snowball_init_machine(void)
mop500_audio_init(parent);
mop500_uart_init(parent);
- mop500_snowball_ethernet_clock_enable();
+ u8500_cryp1_hash1_init(parent);
/* This board has full regulator constraints */
regulator_has_full_constraints();
diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h
index 49514b82503..d6fab166cbf 100644
--- a/arch/arm/mach-ux500/board-mop500.h
+++ b/arch/arm/mach-ux500/board-mop500.h
@@ -93,6 +93,7 @@ extern struct amba_pl011_data uart0_plat;
extern struct amba_pl011_data uart1_plat;
extern struct amba_pl011_data uart2_plat;
extern struct pl022_ssp_controller ssp0_plat;
+extern struct stedma40_platform_data dma40_plat_data;
extern void mop500_sdi_init(struct device *parent);
extern void snowball_sdi_init(struct device *parent);
@@ -104,7 +105,6 @@ void __init mop500_pinmaps_init(void);
void __init snowball_pinmaps_init(void);
void __init hrefv60_pinmaps_init(void);
void mop500_audio_init(struct device *parent);
-void mop500_snowball_ethernet_clock_enable(void);
int __init mop500_uib_init(void);
void mop500_uib_i2c_add(int busnum, struct i2c_board_info *info,
diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c
index 7669a49fb6f..12eee816752 100644
--- a/arch/arm/mach-ux500/cpu-db8500.c
+++ b/arch/arm/mach-ux500/cpu-db8500.c
@@ -162,26 +162,15 @@ static void __init db8500_add_gpios(struct device *parent)
dbx500_add_pinctrl(parent, "pinctrl-db8500", U8500_PRCMU_BASE);
}
-static int usb_db8500_rx_dma_cfg[] = {
- DB8500_DMA_DEV38_USB_OTG_IEP_1_9,
- DB8500_DMA_DEV37_USB_OTG_IEP_2_10,
- DB8500_DMA_DEV36_USB_OTG_IEP_3_11,
- DB8500_DMA_DEV19_USB_OTG_IEP_4_12,
- DB8500_DMA_DEV18_USB_OTG_IEP_5_13,
- DB8500_DMA_DEV17_USB_OTG_IEP_6_14,
- DB8500_DMA_DEV16_USB_OTG_IEP_7_15,
- DB8500_DMA_DEV39_USB_OTG_IEP_8
-};
-
-static int usb_db8500_tx_dma_cfg[] = {
- DB8500_DMA_DEV38_USB_OTG_OEP_1_9,
- DB8500_DMA_DEV37_USB_OTG_OEP_2_10,
- DB8500_DMA_DEV36_USB_OTG_OEP_3_11,
- DB8500_DMA_DEV19_USB_OTG_OEP_4_12,
- DB8500_DMA_DEV18_USB_OTG_OEP_5_13,
- DB8500_DMA_DEV17_USB_OTG_OEP_6_14,
- DB8500_DMA_DEV16_USB_OTG_OEP_7_15,
- DB8500_DMA_DEV39_USB_OTG_OEP_8
+static int usb_db8500_dma_cfg[] = {
+ DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9,
+ DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10,
+ DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11,
+ DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12,
+ DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13,
+ DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14,
+ DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15,
+ DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8
};
static const char *db8500_read_soc_id(void)
@@ -215,7 +204,7 @@ struct device * __init u8500_init_devices(void)
db8500_add_rtc(parent);
db8500_add_gpios(parent);
- db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
+ db8500_add_usb(parent, usb_db8500_dma_cfg, usb_db8500_dma_cfg);
for (i = 0; i < ARRAY_SIZE(platform_devs); i++)
platform_devs[i]->dev.parent = parent;
@@ -226,34 +215,13 @@ struct device * __init u8500_init_devices(void)
}
#ifdef CONFIG_MACH_UX500_DT
-
-/* TODO: Once all pieces are DT:ed, remove completely. */
-static struct device * __init u8500_of_init_devices(void)
-{
- struct device *parent = db8500_soc_device_init();
-
- db8500_add_usb(parent, usb_db8500_rx_dma_cfg, usb_db8500_tx_dma_cfg);
-
- u8500_dma40_device.dev.parent = parent;
-
- /*
- * Devices to be DT:ed:
- * u8500_dma40_device = todo
- * db8500_pmu_device = done
- * db8500_prcmu_device = done
- */
- platform_device_register(&u8500_dma40_device);
-
- return parent;
-}
-
static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
/* Requires call-back bindings. */
OF_DEV_AUXDATA("arm,cortex-a9-pmu", 0, "arm-pmu", &db8500_pmu_platdata),
/* Requires DMA bindings. */
- OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
- OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
- OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
+ OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", NULL),
+ OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", NULL),
+ OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", NULL),
OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0", &ssp0_plat),
OF_DEV_AUXDATA("arm,pl18x", 0x80126000, "sdi0", &mop500_sdi0_data),
OF_DEV_AUXDATA("arm,pl18x", 0x80118000, "sdi1", &mop500_sdi1_data),
@@ -294,6 +262,8 @@ static struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
"ux500-msp-i2s.2", &msp2_platform_data),
OF_DEV_AUXDATA("stericsson,ux500-msp-i2s", 0x80125000,
"ux500-msp-i2s.3", &msp3_platform_data),
+ /* Requires clock name bindings and channel address lookup table. */
+ OF_DEV_AUXDATA("stericsson,db8500-dma40", 0x801C0000, "dma40.0", NULL),
{},
};
@@ -317,22 +287,18 @@ static const struct of_device_id u8500_local_bus_nodes[] = {
static void __init u8500_init_machine(void)
{
- struct device *parent = NULL;
+ struct device *parent = db8500_soc_device_init();
/* Pinmaps must be in place before devices register */
if (of_machine_is_compatible("st-ericsson,mop500"))
mop500_pinmaps_init();
else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
snowball_pinmaps_init();
- mop500_snowball_ethernet_clock_enable();
} else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
hrefv60_pinmaps_init();
else if (of_machine_is_compatible("st-ericsson,ccu9540")) {}
/* TODO: Add pinmaps for ccu9540 board. */
- /* TODO: Export SoC, USB, cpu-freq and DMA40 */
- parent = u8500_of_init_devices();
-
/* automatically probe child nodes of dbx5x0 devices */
if (of_machine_is_compatible("st-ericsson,u8540"))
of_platform_populate(NULL, u8500_local_bus_nodes,
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index ddbdcda8306..516a6f57d15 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -42,128 +42,7 @@ static struct resource dma40_resources[] = {
}
};
-/* Default configuration for physcial memcpy */
-struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
- .mode = STEDMA40_MODE_PHYSICAL,
- .dir = STEDMA40_MEM_TO_MEM,
-
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .src_info.psize = STEDMA40_PSIZE_PHY_1,
- .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.psize = STEDMA40_PSIZE_PHY_1,
- .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-};
-/* Default configuration for logical memcpy */
-struct stedma40_chan_cfg dma40_memcpy_conf_log = {
- .dir = STEDMA40_MEM_TO_MEM,
-
- .src_info.data_width = STEDMA40_BYTE_WIDTH,
- .src_info.psize = STEDMA40_PSIZE_LOG_1,
- .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-
- .dst_info.data_width = STEDMA40_BYTE_WIDTH,
- .dst_info.psize = STEDMA40_PSIZE_LOG_1,
- .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
-};
-
-/*
- * Mapping between destination event lines and physical device address.
- * The event line is tied to a device and therefore the address is constant.
- * When the address comes from a primecell it will be configured in runtime
- * and we set the address to -1 as a placeholder.
- */
-static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV] = {
- /* MUSB - these will be runtime-reconfigured */
- [DB8500_DMA_DEV39_USB_OTG_OEP_8] = -1,
- [DB8500_DMA_DEV16_USB_OTG_OEP_7_15] = -1,
- [DB8500_DMA_DEV17_USB_OTG_OEP_6_14] = -1,
- [DB8500_DMA_DEV18_USB_OTG_OEP_5_13] = -1,
- [DB8500_DMA_DEV19_USB_OTG_OEP_4_12] = -1,
- [DB8500_DMA_DEV36_USB_OTG_OEP_3_11] = -1,
- [DB8500_DMA_DEV37_USB_OTG_OEP_2_10] = -1,
- [DB8500_DMA_DEV38_USB_OTG_OEP_1_9] = -1,
- /* PrimeCells - run-time configured */
- [DB8500_DMA_DEV0_SPI0_TX] = -1,
- [DB8500_DMA_DEV1_SD_MMC0_TX] = -1,
- [DB8500_DMA_DEV2_SD_MMC1_TX] = -1,
- [DB8500_DMA_DEV3_SD_MMC2_TX] = -1,
- [DB8500_DMA_DEV8_SSP0_TX] = -1,
- [DB8500_DMA_DEV9_SSP1_TX] = -1,
- [DB8500_DMA_DEV11_UART2_TX] = -1,
- [DB8500_DMA_DEV12_UART1_TX] = -1,
- [DB8500_DMA_DEV13_UART0_TX] = -1,
- [DB8500_DMA_DEV28_SD_MM2_TX] = -1,
- [DB8500_DMA_DEV29_SD_MM0_TX] = -1,
- [DB8500_DMA_DEV32_SD_MM1_TX] = -1,
- [DB8500_DMA_DEV33_SPI2_TX] = -1,
- [DB8500_DMA_DEV35_SPI1_TX] = -1,
- [DB8500_DMA_DEV40_SPI3_TX] = -1,
- [DB8500_DMA_DEV41_SD_MM3_TX] = -1,
- [DB8500_DMA_DEV42_SD_MM4_TX] = -1,
- [DB8500_DMA_DEV43_SD_MM5_TX] = -1,
- [DB8500_DMA_DEV14_MSP2_TX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV30_MSP1_TX] = U8500_MSP1_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV48_CAC1_TX] = U8500_CRYP1_BASE + CRYP1_TX_REG_OFFSET,
- [DB8500_DMA_DEV50_HAC1_TX] = U8500_HASH1_BASE + HASH1_TX_REG_OFFSET,
-};
-
-/* Mapping between source event lines and physical device address */
-static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV] = {
- /* MUSB - these will be runtime-reconfigured */
- [DB8500_DMA_DEV39_USB_OTG_IEP_8] = -1,
- [DB8500_DMA_DEV16_USB_OTG_IEP_7_15] = -1,
- [DB8500_DMA_DEV17_USB_OTG_IEP_6_14] = -1,
- [DB8500_DMA_DEV18_USB_OTG_IEP_5_13] = -1,
- [DB8500_DMA_DEV19_USB_OTG_IEP_4_12] = -1,
- [DB8500_DMA_DEV36_USB_OTG_IEP_3_11] = -1,
- [DB8500_DMA_DEV37_USB_OTG_IEP_2_10] = -1,
- [DB8500_DMA_DEV38_USB_OTG_IEP_1_9] = -1,
- /* PrimeCells */
- [DB8500_DMA_DEV0_SPI0_RX] = -1,
- [DB8500_DMA_DEV1_SD_MMC0_RX] = -1,
- [DB8500_DMA_DEV2_SD_MMC1_RX] = -1,
- [DB8500_DMA_DEV3_SD_MMC2_RX] = -1,
- [DB8500_DMA_DEV8_SSP0_RX] = -1,
- [DB8500_DMA_DEV9_SSP1_RX] = -1,
- [DB8500_DMA_DEV11_UART2_RX] = -1,
- [DB8500_DMA_DEV12_UART1_RX] = -1,
- [DB8500_DMA_DEV13_UART0_RX] = -1,
- [DB8500_DMA_DEV28_SD_MM2_RX] = -1,
- [DB8500_DMA_DEV29_SD_MM0_RX] = -1,
- [DB8500_DMA_DEV32_SD_MM1_RX] = -1,
- [DB8500_DMA_DEV33_SPI2_RX] = -1,
- [DB8500_DMA_DEV35_SPI1_RX] = -1,
- [DB8500_DMA_DEV40_SPI3_RX] = -1,
- [DB8500_DMA_DEV41_SD_MM3_RX] = -1,
- [DB8500_DMA_DEV42_SD_MM4_RX] = -1,
- [DB8500_DMA_DEV43_SD_MM5_RX] = -1,
- [DB8500_DMA_DEV14_MSP2_RX] = U8500_MSP2_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV30_MSP3_RX] = U8500_MSP3_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX] = U8500_MSP0_BASE + MSP_TX_RX_REG_OFFSET,
- [DB8500_DMA_DEV48_CAC1_RX] = U8500_CRYP1_BASE + CRYP1_RX_REG_OFFSET,
-};
-
-/* Reserved event lines for memcpy only */
-static int dma40_memcpy_event[] = {
- DB8500_DMA_MEMCPY_TX_0,
- DB8500_DMA_MEMCPY_TX_1,
- DB8500_DMA_MEMCPY_TX_2,
- DB8500_DMA_MEMCPY_TX_3,
- DB8500_DMA_MEMCPY_TX_4,
- DB8500_DMA_MEMCPY_TX_5,
-};
-
-static struct stedma40_platform_data dma40_plat_data = {
- .dev_len = DB8500_DMA_NR_DEV,
- .dev_rx = dma40_rx_map,
- .dev_tx = dma40_tx_map,
- .memcpy = dma40_memcpy_event,
- .memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
- .memcpy_conf_phy = &dma40_memcpy_conf_phy,
- .memcpy_conf_log = &dma40_memcpy_conf_log,
+struct stedma40_platform_data dma40_plat_data = {
.disabled_channels = {-1},
};
diff --git a/arch/arm/mach-ux500/ste-dma40-db8500.h b/arch/arm/mach-ux500/ste-dma40-db8500.h
index a616419bea7..0296ae5b0fd 100644
--- a/arch/arm/mach-ux500/ste-dma40-db8500.h
+++ b/arch/arm/mach-ux500/ste-dma40-db8500.h
@@ -12,133 +12,74 @@
#define DB8500_DMA_NR_DEV 64
-enum dma_src_dev_type {
- DB8500_DMA_DEV0_SPI0_RX = 0,
- DB8500_DMA_DEV1_SD_MMC0_RX = 1,
- DB8500_DMA_DEV2_SD_MMC1_RX = 2,
- DB8500_DMA_DEV3_SD_MMC2_RX = 3,
- DB8500_DMA_DEV4_I2C1_RX = 4,
- DB8500_DMA_DEV5_I2C3_RX = 5,
- DB8500_DMA_DEV6_I2C2_RX = 6,
- DB8500_DMA_DEV7_I2C4_RX = 7, /* Only on V1 and later */
- DB8500_DMA_DEV8_SSP0_RX = 8,
- DB8500_DMA_DEV9_SSP1_RX = 9,
- DB8500_DMA_DEV10_MCDE_RX = 10,
- DB8500_DMA_DEV11_UART2_RX = 11,
- DB8500_DMA_DEV12_UART1_RX = 12,
- DB8500_DMA_DEV13_UART0_RX = 13,
- DB8500_DMA_DEV14_MSP2_RX = 14,
- DB8500_DMA_DEV15_I2C0_RX = 15,
- DB8500_DMA_DEV16_USB_OTG_IEP_7_15 = 16,
- DB8500_DMA_DEV17_USB_OTG_IEP_6_14 = 17,
- DB8500_DMA_DEV18_USB_OTG_IEP_5_13 = 18,
- DB8500_DMA_DEV19_USB_OTG_IEP_4_12 = 19,
- DB8500_DMA_DEV20_SLIM0_CH0_RX_HSI_RX_CH0 = 20,
- DB8500_DMA_DEV21_SLIM0_CH1_RX_HSI_RX_CH1 = 21,
- DB8500_DMA_DEV22_SLIM0_CH2_RX_HSI_RX_CH2 = 22,
- DB8500_DMA_DEV23_SLIM0_CH3_RX_HSI_RX_CH3 = 23,
- DB8500_DMA_DEV24_SRC_SXA0_RX_TX = 24,
- DB8500_DMA_DEV25_SRC_SXA1_RX_TX = 25,
- DB8500_DMA_DEV26_SRC_SXA2_RX_TX = 26,
- DB8500_DMA_DEV27_SRC_SXA3_RX_TX = 27,
- DB8500_DMA_DEV28_SD_MM2_RX = 28,
- DB8500_DMA_DEV29_SD_MM0_RX = 29,
- DB8500_DMA_DEV30_MSP1_RX = 30,
+/*
+ * Unless otherwise specified, all channels numbers are used for
+ * TX & RX, and can be used for either source or destination
+ * channels.
+ */
+enum dma_dev_type {
+ DB8500_DMA_DEV0_SPI0 = 0,
+ DB8500_DMA_DEV1_SD_MMC0 = 1,
+ DB8500_DMA_DEV2_SD_MMC1 = 2,
+ DB8500_DMA_DEV3_SD_MMC2 = 3,
+ DB8500_DMA_DEV4_I2C1 = 4,
+ DB8500_DMA_DEV5_I2C3 = 5,
+ DB8500_DMA_DEV6_I2C2 = 6,
+ DB8500_DMA_DEV7_I2C4 = 7, /* Only on V1 and later */
+ DB8500_DMA_DEV8_SSP0 = 8,
+ DB8500_DMA_DEV9_SSP1 = 9,
+ DB8500_DMA_DEV10_MCDE_RX = 10, /* RX only */
+ DB8500_DMA_DEV11_UART2 = 11,
+ DB8500_DMA_DEV12_UART1 = 12,
+ DB8500_DMA_DEV13_UART0 = 13,
+ DB8500_DMA_DEV14_MSP2 = 14,
+ DB8500_DMA_DEV15_I2C0 = 15,
+ DB8500_DMA_DEV16_USB_OTG_IEP_AND_OEP_7_15 = 16,
+ DB8500_DMA_DEV17_USB_OTG_IEP_AND_OEP_6_14 = 17,
+ DB8500_DMA_DEV18_USB_OTG_IEP_AND_OEP_5_13 = 18,
+ DB8500_DMA_DEV19_USB_OTG_IEP_AND_OEP_4_12 = 19,
+ DB8500_DMA_DEV20_SLIM0_CH0_HSI_CH0 = 20,
+ DB8500_DMA_DEV21_SLIM0_CH1_HSI_CH1 = 21,
+ DB8500_DMA_DEV22_SLIM0_CH2_HSI_CH2 = 22,
+ DB8500_DMA_DEV23_SLIM0_CH3_HSI_CH3 = 23,
+ DB8500_DMA_DEV24_SXA0 = 24,
+ DB8500_DMA_DEV25_SXA1 = 25,
+ DB8500_DMA_DEV26_SXA2 = 26,
+ DB8500_DMA_DEV27_SXA3 = 27,
+ DB8500_DMA_DEV28_SD_MM2 = 28,
+ DB8500_DMA_DEV29_SD_MM0 = 29,
+ DB8500_DMA_DEV30_MSP1 = 30,
/* On DB8500v2, MSP3 RX replaces MSP1 RX */
- DB8500_DMA_DEV30_MSP3_RX = 30,
- DB8500_DMA_DEV31_MSP0_RX_SLIM0_CH0_RX = 31,
- DB8500_DMA_DEV32_SD_MM1_RX = 32,
- DB8500_DMA_DEV33_SPI2_RX = 33,
- DB8500_DMA_DEV34_I2C3_RX2 = 34,
- DB8500_DMA_DEV35_SPI1_RX = 35,
- DB8500_DMA_DEV36_USB_OTG_IEP_3_11 = 36,
- DB8500_DMA_DEV37_USB_OTG_IEP_2_10 = 37,
- DB8500_DMA_DEV38_USB_OTG_IEP_1_9 = 38,
- DB8500_DMA_DEV39_USB_OTG_IEP_8 = 39,
- DB8500_DMA_DEV40_SPI3_RX = 40,
- DB8500_DMA_DEV41_SD_MM3_RX = 41,
- DB8500_DMA_DEV42_SD_MM4_RX = 42,
- DB8500_DMA_DEV43_SD_MM5_RX = 43,
- DB8500_DMA_DEV44_SRC_SXA4_RX_TX = 44,
- DB8500_DMA_DEV45_SRC_SXA5_RX_TX = 45,
- DB8500_DMA_DEV46_SLIM0_CH8_RX_SRC_SXA6_RX_TX = 46,
- DB8500_DMA_DEV47_SLIM0_CH9_RX_SRC_SXA7_RX_TX = 47,
- DB8500_DMA_DEV48_CAC1_RX = 48,
- /* 49, 50 and 51 are not used */
- DB8500_DMA_DEV52_SLIM0_CH4_RX_HSI_RX_CH4 = 52,
- DB8500_DMA_DEV53_SLIM0_CH5_RX_HSI_RX_CH5 = 53,
- DB8500_DMA_DEV54_SLIM0_CH6_RX_HSI_RX_CH6 = 54,
- DB8500_DMA_DEV55_SLIM0_CH7_RX_HSI_RX_CH7 = 55,
- /* 56, 57, 58, 59 and 60 are not used */
- DB8500_DMA_DEV61_CAC0_RX = 61,
- /* 62 and 63 are not used */
-};
-
-enum dma_dest_dev_type {
- DB8500_DMA_DEV0_SPI0_TX = 0,
- DB8500_DMA_DEV1_SD_MMC0_TX = 1,
- DB8500_DMA_DEV2_SD_MMC1_TX = 2,
- DB8500_DMA_DEV3_SD_MMC2_TX = 3,
- DB8500_DMA_DEV4_I2C1_TX = 4,
- DB8500_DMA_DEV5_I2C3_TX = 5,
- DB8500_DMA_DEV6_I2C2_TX = 6,
- DB8500_DMA_DEV7_I2C4_TX = 7, /* Only on V1 and later */
- DB8500_DMA_DEV8_SSP0_TX = 8,
- DB8500_DMA_DEV9_SSP1_TX = 9,
- /* 10 is not used*/
- DB8500_DMA_DEV11_UART2_TX = 11,
- DB8500_DMA_DEV12_UART1_TX = 12,
- DB8500_DMA_DEV13_UART0_TX = 13,
- DB8500_DMA_DEV14_MSP2_TX = 14,
- DB8500_DMA_DEV15_I2C0_TX = 15,
- DB8500_DMA_DEV16_USB_OTG_OEP_7_15 = 16,
- DB8500_DMA_DEV17_USB_OTG_OEP_6_14 = 17,
- DB8500_DMA_DEV18_USB_OTG_OEP_5_13 = 18,
- DB8500_DMA_DEV19_USB_OTG_OEP_4_12 = 19,
- DB8500_DMA_DEV20_SLIM0_CH0_TX_HSI_TX_CH0 = 20,
- DB8500_DMA_DEV21_SLIM0_CH1_TX_HSI_TX_CH1 = 21,
- DB8500_DMA_DEV22_SLIM0_CH2_TX_HSI_TX_CH2 = 22,
- DB8500_DMA_DEV23_SLIM0_CH3_TX_HSI_TX_CH3 = 23,
- DB8500_DMA_DEV24_DST_SXA0_RX_TX = 24,
- DB8500_DMA_DEV25_DST_SXA1_RX_TX = 25,
- DB8500_DMA_DEV26_DST_SXA2_RX_TX = 26,
- DB8500_DMA_DEV27_DST_SXA3_RX_TX = 27,
- DB8500_DMA_DEV28_SD_MM2_TX = 28,
- DB8500_DMA_DEV29_SD_MM0_TX = 29,
- DB8500_DMA_DEV30_MSP1_TX = 30,
- DB8500_DMA_DEV31_MSP0_TX_SLIM0_CH0_TX = 31,
- DB8500_DMA_DEV32_SD_MM1_TX = 32,
- DB8500_DMA_DEV33_SPI2_TX = 33,
- DB8500_DMA_DEV34_I2C3_TX2 = 34,
- DB8500_DMA_DEV35_SPI1_TX = 35,
- DB8500_DMA_DEV36_USB_OTG_OEP_3_11 = 36,
- DB8500_DMA_DEV37_USB_OTG_OEP_2_10 = 37,
- DB8500_DMA_DEV38_USB_OTG_OEP_1_9 = 38,
- DB8500_DMA_DEV39_USB_OTG_OEP_8 = 39,
- DB8500_DMA_DEV40_SPI3_TX = 40,
- DB8500_DMA_DEV41_SD_MM3_TX = 41,
- DB8500_DMA_DEV42_SD_MM4_TX = 42,
- DB8500_DMA_DEV43_SD_MM5_TX = 43,
- DB8500_DMA_DEV44_DST_SXA4_RX_TX = 44,
- DB8500_DMA_DEV45_DST_SXA5_RX_TX = 45,
- DB8500_DMA_DEV46_SLIM0_CH8_TX_DST_SXA6_RX_TX = 46,
- DB8500_DMA_DEV47_SLIM0_CH9_TX_DST_SXA7_RX_TX = 47,
- DB8500_DMA_DEV48_CAC1_TX = 48,
- DB8500_DMA_DEV49_CAC1_TX_HAC1_TX = 49,
- DB8500_DMA_DEV50_HAC1_TX = 50,
- DB8500_DMA_MEMCPY_TX_0 = 51,
- DB8500_DMA_DEV52_SLIM1_CH4_TX_HSI_TX_CH4 = 52,
- DB8500_DMA_DEV53_SLIM1_CH5_TX_HSI_TX_CH5 = 53,
- DB8500_DMA_DEV54_SLIM1_CH6_TX_HSI_TX_CH6 = 54,
- DB8500_DMA_DEV55_SLIM1_CH7_TX_HSI_TX_CH7 = 55,
- DB8500_DMA_MEMCPY_TX_1 = 56,
- DB8500_DMA_MEMCPY_TX_2 = 57,
- DB8500_DMA_MEMCPY_TX_3 = 58,
- DB8500_DMA_MEMCPY_TX_4 = 59,
- DB8500_DMA_MEMCPY_TX_5 = 60,
- DB8500_DMA_DEV61_CAC0_TX = 61,
- DB8500_DMA_DEV62_CAC0_TX_HAC0_TX = 62,
- DB8500_DMA_DEV63_HAC0_TX = 63,
+ DB8500_DMA_DEV30_MSP3 = 30,
+ DB8500_DMA_DEV31_MSP0_SLIM0_CH0 = 31,
+ DB8500_DMA_DEV32_SD_MM1 = 32,
+ DB8500_DMA_DEV33_SPI2 = 33,
+ DB8500_DMA_DEV34_I2C3_RX2_TX2 = 34,
+ DB8500_DMA_DEV35_SPI1 = 35,
+ DB8500_DMA_DEV36_USB_OTG_IEP_AND_OEP_3_11 = 36,
+ DB8500_DMA_DEV37_USB_OTG_IEP_AND_OEP_2_10 = 37,
+ DB8500_DMA_DEV38_USB_OTG_IEP_AND_OEP_1_9 = 38,
+ DB8500_DMA_DEV39_USB_OTG_IEP_AND_OEP_8 = 39,
+ DB8500_DMA_DEV40_SPI3 = 40,
+ DB8500_DMA_DEV41_SD_MM3 = 41,
+ DB8500_DMA_DEV42_SD_MM4 = 42,
+ DB8500_DMA_DEV43_SD_MM5 = 43,
+ DB8500_DMA_DEV44_SXA4 = 44,
+ DB8500_DMA_DEV45_SXA5 = 45,
+ DB8500_DMA_DEV46_SLIM0_CH8_SRC_SXA6 = 46,
+ DB8500_DMA_DEV47_SLIM0_CH9_SRC_SXA7 = 47,
+ DB8500_DMA_DEV48_CAC1 = 48,
+ DB8500_DMA_DEV49_CAC1_TX_HAC1_TX = 49, /* TX only */
+ DB8500_DMA_DEV50_HAC1_TX = 50, /* TX only */
+ DB8500_DMA_MEMCPY_TX_0 = 51, /* TX only */
+ DB8500_DMA_DEV52_SLIM0_CH4_HSI_CH4 = 52,
+ DB8500_DMA_DEV53_SLIM0_CH5_HSI_CH5 = 53,
+ DB8500_DMA_DEV54_SLIM0_CH6_HSI_CH6 = 54,
+ DB8500_DMA_DEV55_SLIM0_CH7_HSI_CH7 = 55,
+ /* 56 -> 60 are channels reserved for memcpy only */
+ DB8500_DMA_DEV61_CAC0 = 61,
+ DB8500_DMA_DEV62_CAC0_TX_HAC0_TX = 62, /* TX only */
+ DB8500_DMA_DEV63_HAC0_TX = 63, /* TX only */
};
#endif
diff --git a/arch/arm/mach-ux500/usb.c b/arch/arm/mach-ux500/usb.c
index 2dfc72f7cd8..b7bd8d3a550 100644
--- a/arch/arm/mach-ux500/usb.c
+++ b/arch/arm/mach-ux500/usb.c
@@ -14,25 +14,15 @@
#define MUSB_DMA40_RX_CH { \
.mode = STEDMA40_MODE_LOGICAL, \
- .dir = STEDMA40_PERIPH_TO_MEM, \
- .dst_dev_type = STEDMA40_DEV_DST_MEMORY, \
- .src_info.data_width = STEDMA40_WORD_WIDTH, \
- .dst_info.data_width = STEDMA40_WORD_WIDTH, \
- .src_info.psize = STEDMA40_PSIZE_LOG_16, \
- .dst_info.psize = STEDMA40_PSIZE_LOG_16, \
+ .dir = DMA_DEV_TO_MEM, \
}
#define MUSB_DMA40_TX_CH { \
.mode = STEDMA40_MODE_LOGICAL, \
- .dir = STEDMA40_MEM_TO_PERIPH, \
- .src_dev_type = STEDMA40_DEV_SRC_MEMORY, \
- .src_info.data_width = STEDMA40_WORD_WIDTH, \
- .dst_info.data_width = STEDMA40_WORD_WIDTH, \
- .src_info.psize = STEDMA40_PSIZE_LOG_16, \
- .dst_info.psize = STEDMA40_PSIZE_LOG_16, \
+ .dir = DMA_MEM_TO_DEV, \
}
-static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_CHANNELS]
+static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS]
= {
MUSB_DMA40_RX_CH,
MUSB_DMA40_RX_CH,
@@ -44,7 +34,7 @@ static struct stedma40_chan_cfg musb_dma_rx_ch[UX500_MUSB_DMA_NUM_RX_CHANNELS]
MUSB_DMA40_RX_CH
};
-static struct stedma40_chan_cfg musb_dma_tx_ch[UX500_MUSB_DMA_NUM_TX_CHANNELS]
+static struct stedma40_chan_cfg musb_dma_tx_ch[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS]
= {
MUSB_DMA40_TX_CH,
MUSB_DMA40_TX_CH,
@@ -56,7 +46,7 @@ static struct stedma40_chan_cfg musb_dma_tx_ch[UX500_MUSB_DMA_NUM_TX_CHANNELS]
MUSB_DMA40_TX_CH,
};
-static void *ux500_dma_rx_param_array[UX500_MUSB_DMA_NUM_RX_CHANNELS] = {
+static void *ux500_dma_rx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = {
&musb_dma_rx_ch[0],
&musb_dma_rx_ch[1],
&musb_dma_rx_ch[2],
@@ -67,7 +57,7 @@ static void *ux500_dma_rx_param_array[UX500_MUSB_DMA_NUM_RX_CHANNELS] = {
&musb_dma_rx_ch[7]
};
-static void *ux500_dma_tx_param_array[UX500_MUSB_DMA_NUM_TX_CHANNELS] = {
+static void *ux500_dma_tx_param_array[UX500_MUSB_DMA_NUM_RX_TX_CHANNELS] = {
&musb_dma_tx_ch[0],
&musb_dma_tx_ch[1],
&musb_dma_tx_ch[2],
@@ -81,23 +71,11 @@ static void *ux500_dma_tx_param_array[UX500_MUSB_DMA_NUM_TX_CHANNELS] = {
static struct ux500_musb_board_data musb_board_data = {
.dma_rx_param_array = ux500_dma_rx_param_array,
.dma_tx_param_array = ux500_dma_tx_param_array,
- .num_rx_channels = UX500_MUSB_DMA_NUM_RX_CHANNELS,
- .num_tx_channels = UX500_MUSB_DMA_NUM_TX_CHANNELS,
.dma_filter = stedma40_filter,
};
-static u64 ux500_musb_dmamask = DMA_BIT_MASK(32);
-
-static struct musb_hdrc_config musb_hdrc_config = {
- .multipoint = true,
- .dyn_fifo = true,
- .num_eps = 16,
- .ram_bits = 16,
-};
-
static struct musb_hdrc_platform_data musb_platform_data = {
.mode = MUSB_OTG,
- .config = &musb_hdrc_config,
.board_data = &musb_board_data,
};
@@ -118,27 +96,26 @@ struct platform_device ux500_musb_device = {
.id = 0,
.dev = {
.platform_data = &musb_platform_data,
- .dma_mask = &ux500_musb_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(usb_resources),
.resource = usb_resources,
};
-static inline void ux500_usb_dma_update_rx_ch_config(int *src_dev_type)
+static inline void ux500_usb_dma_update_rx_ch_config(int *dev_type)
{
u32 idx;
- for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_CHANNELS; idx++)
- musb_dma_rx_ch[idx].src_dev_type = src_dev_type[idx];
+ for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++)
+ musb_dma_rx_ch[idx].dev_type = dev_type[idx];
}
-static inline void ux500_usb_dma_update_tx_ch_config(int *dst_dev_type)
+static inline void ux500_usb_dma_update_tx_ch_config(int *dev_type)
{
u32 idx;
- for (idx = 0; idx < UX500_MUSB_DMA_NUM_TX_CHANNELS; idx++)
- musb_dma_tx_ch[idx].dst_dev_type = dst_dev_type[idx];
+ for (idx = 0; idx < UX500_MUSB_DMA_NUM_RX_TX_CHANNELS; idx++)
+ musb_dma_tx_ch[idx].dev_type = dev_type[idx];
}
void ux500_add_usb(struct device *parent, resource_size_t base, int irq,
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index ce66eb9be48..f82bae2171e 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -86,22 +86,6 @@ config OMAP_MUX_WARNINGS
to change the pin multiplexing setup. When there are no warnings
printed, it's safe to deselect OMAP_MUX for your product.
-config OMAP_MBOX_FWK
- tristate "Mailbox framework support"
- depends on ARCH_OMAP && !ARCH_MULTIPLATFORM
- help
- Say Y here if you want to use OMAP Mailbox framework support for
- DSP, IVA1.0 and IVA2 in OMAP1/2/3.
-
-config OMAP_MBOX_KFIFO_SIZE
- int "Mailbox kfifo default buffer size (bytes)"
- depends on OMAP_MBOX_FWK
- default 256
- help
- Specify the default size of mailbox's kfifo buffers (bytes).
- This can also be changed at runtime (via the mbox_kfifo_size
- module parameter).
-
config OMAP_IOMMU_IVA2
bool
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 31199417b56..0b01b68fd03 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -17,6 +17,3 @@ obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o
i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o
obj-y += $(i2c-omap-m) $(i2c-omap-y)
-# OMAP mailbox framework
-obj-$(CONFIG_OMAP_MBOX_FWK) += mailbox.o
-
diff --git a/arch/arm/plat-omap/include/plat/mailbox.h b/arch/arm/plat-omap/include/plat/mailbox.h
deleted file mode 100644
index cc3921e9059..00000000000
--- a/arch/arm/plat-omap/include/plat/mailbox.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/* mailbox.h */
-
-#ifndef MAILBOX_H
-#define MAILBOX_H
-
-#include <linux/spinlock.h>
-#include <linux/workqueue.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/kfifo.h>
-
-typedef u32 mbox_msg_t;
-struct omap_mbox;
-
-typedef int __bitwise omap_mbox_irq_t;
-#define IRQ_TX ((__force omap_mbox_irq_t) 1)
-#define IRQ_RX ((__force omap_mbox_irq_t) 2)
-
-typedef int __bitwise omap_mbox_type_t;
-#define OMAP_MBOX_TYPE1 ((__force omap_mbox_type_t) 1)
-#define OMAP_MBOX_TYPE2 ((__force omap_mbox_type_t) 2)
-
-struct omap_mbox_ops {
- omap_mbox_type_t type;
- int (*startup)(struct omap_mbox *mbox);
- void (*shutdown)(struct omap_mbox *mbox);
- /* fifo */
- mbox_msg_t (*fifo_read)(struct omap_mbox *mbox);
- void (*fifo_write)(struct omap_mbox *mbox, mbox_msg_t msg);
- int (*fifo_empty)(struct omap_mbox *mbox);
- int (*fifo_full)(struct omap_mbox *mbox);
- /* irq */
- void (*enable_irq)(struct omap_mbox *mbox,
- omap_mbox_irq_t irq);
- void (*disable_irq)(struct omap_mbox *mbox,
- omap_mbox_irq_t irq);
- void (*ack_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
- int (*is_irq)(struct omap_mbox *mbox, omap_mbox_irq_t irq);
- /* ctx */
- void (*save_ctx)(struct omap_mbox *mbox);
- void (*restore_ctx)(struct omap_mbox *mbox);
-};
-
-struct omap_mbox_queue {
- spinlock_t lock;
- struct kfifo fifo;
- struct work_struct work;
- struct tasklet_struct tasklet;
- struct omap_mbox *mbox;
- bool full;
-};
-
-struct omap_mbox {
- char *name;
- unsigned int irq;
- struct omap_mbox_queue *txq, *rxq;
- struct omap_mbox_ops *ops;
- struct device *dev;
- void *priv;
- int use_count;
- struct blocking_notifier_head notifier;
-};
-
-int omap_mbox_msg_send(struct omap_mbox *, mbox_msg_t msg);
-void omap_mbox_init_seq(struct omap_mbox *);
-
-struct omap_mbox *omap_mbox_get(const char *, struct notifier_block *nb);
-void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb);
-
-int omap_mbox_register(struct device *parent, struct omap_mbox **);
-int omap_mbox_unregister(void);
-
-static inline void omap_mbox_save_ctx(struct omap_mbox *mbox)
-{
- if (!mbox->ops->save_ctx) {
- dev_err(mbox->dev, "%s:\tno save\n", __func__);
- return;
- }
-
- mbox->ops->save_ctx(mbox);
-}
-
-static inline void omap_mbox_restore_ctx(struct omap_mbox *mbox)
-{
- if (!mbox->ops->restore_ctx) {
- dev_err(mbox->dev, "%s:\tno restore\n", __func__);
- return;
- }
-
- mbox->ops->restore_ctx(mbox);
-}
-
-static inline void omap_mbox_enable_irq(struct omap_mbox *mbox,
- omap_mbox_irq_t irq)
-{
- mbox->ops->enable_irq(mbox, irq);
-}
-
-static inline void omap_mbox_disable_irq(struct omap_mbox *mbox,
- omap_mbox_irq_t irq)
-{
- mbox->ops->disable_irq(mbox, irq);
-}
-
-#endif /* MAILBOX_H */
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
deleted file mode 100644
index 42377ef9ea3..00000000000
--- a/arch/arm/plat-omap/mailbox.c
+++ /dev/null
@@ -1,435 +0,0 @@
-/*
- * OMAP mailbox driver
- *
- * Copyright (C) 2006-2009 Nokia Corporation. All rights reserved.
- *
- * Contact: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/kfifo.h>
-#include <linux/err.h>
-#include <linux/notifier.h>
-#include <linux/module.h>
-
-#include <plat/mailbox.h>
-
-static struct omap_mbox **mboxes;
-
-static int mbox_configured;
-static DEFINE_MUTEX(mbox_configured_lock);
-
-static unsigned int mbox_kfifo_size = CONFIG_OMAP_MBOX_KFIFO_SIZE;
-module_param(mbox_kfifo_size, uint, S_IRUGO);
-MODULE_PARM_DESC(mbox_kfifo_size, "Size of omap's mailbox kfifo (bytes)");
-
-/* Mailbox FIFO handle functions */
-static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
-{
- return mbox->ops->fifo_read(mbox);
-}
-static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
-{
- mbox->ops->fifo_write(mbox, msg);
-}
-static inline int mbox_fifo_empty(struct omap_mbox *mbox)
-{
- return mbox->ops->fifo_empty(mbox);
-}
-static inline int mbox_fifo_full(struct omap_mbox *mbox)
-{
- return mbox->ops->fifo_full(mbox);
-}
-
-/* Mailbox IRQ handle functions */
-static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
- if (mbox->ops->ack_irq)
- mbox->ops->ack_irq(mbox, irq);
-}
-static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
-{
- return mbox->ops->is_irq(mbox, irq);
-}
-
-/*
- * message sender
- */
-static int __mbox_poll_for_space(struct omap_mbox *mbox)
-{
- int ret = 0, i = 1000;
-
- while (mbox_fifo_full(mbox)) {
- if (mbox->ops->type == OMAP_MBOX_TYPE2)
- return -1;
- if (--i == 0)
- return -1;
- udelay(1);
- }
- return ret;
-}
-
-int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg)
-{
- struct omap_mbox_queue *mq = mbox->txq;
- int ret = 0, len;
-
- spin_lock_bh(&mq->lock);
-
- if (kfifo_avail(&mq->fifo) < sizeof(msg)) {
- ret = -ENOMEM;
- goto out;
- }
-
- if (kfifo_is_empty(&mq->fifo) && !__mbox_poll_for_space(mbox)) {
- mbox_fifo_write(mbox, msg);
- goto out;
- }
-
- len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg));
- WARN_ON(len != sizeof(msg));
-
- tasklet_schedule(&mbox->txq->tasklet);
-
-out:
- spin_unlock_bh(&mq->lock);
- return ret;
-}
-EXPORT_SYMBOL(omap_mbox_msg_send);
-
-static void mbox_tx_tasklet(unsigned long tx_data)
-{
- struct omap_mbox *mbox = (struct omap_mbox *)tx_data;
- struct omap_mbox_queue *mq = mbox->txq;
- mbox_msg_t msg;
- int ret;
-
- while (kfifo_len(&mq->fifo)) {
- if (__mbox_poll_for_space(mbox)) {
- omap_mbox_enable_irq(mbox, IRQ_TX);
- break;
- }
-
- ret = kfifo_out(&mq->fifo, (unsigned char *)&msg,
- sizeof(msg));
- WARN_ON(ret != sizeof(msg));
-
- mbox_fifo_write(mbox, msg);
- }
-}
-
-/*
- * Message receiver(workqueue)
- */
-static void mbox_rx_work(struct work_struct *work)
-{
- struct omap_mbox_queue *mq =
- container_of(work, struct omap_mbox_queue, work);
- mbox_msg_t msg;
- int len;
-
- while (kfifo_len(&mq->fifo) >= sizeof(msg)) {
- len = kfifo_out(&mq->fifo, (unsigned char *)&msg, sizeof(msg));
- WARN_ON(len != sizeof(msg));
-
- blocking_notifier_call_chain(&mq->mbox->notifier, len,
- (void *)msg);
- spin_lock_irq(&mq->lock);
- if (mq->full) {
- mq->full = false;
- omap_mbox_enable_irq(mq->mbox, IRQ_RX);
- }
- spin_unlock_irq(&mq->lock);
- }
-}
-
-/*
- * Mailbox interrupt handler
- */
-static void __mbox_tx_interrupt(struct omap_mbox *mbox)
-{
- omap_mbox_disable_irq(mbox, IRQ_TX);
- ack_mbox_irq(mbox, IRQ_TX);
- tasklet_schedule(&mbox->txq->tasklet);
-}
-
-static void __mbox_rx_interrupt(struct omap_mbox *mbox)
-{
- struct omap_mbox_queue *mq = mbox->rxq;
- mbox_msg_t msg;
- int len;
-
- while (!mbox_fifo_empty(mbox)) {
- if (unlikely(kfifo_avail(&mq->fifo) < sizeof(msg))) {
- omap_mbox_disable_irq(mbox, IRQ_RX);
- mq->full = true;
- goto nomem;
- }
-
- msg = mbox_fifo_read(mbox);
-
- len = kfifo_in(&mq->fifo, (unsigned char *)&msg, sizeof(msg));
- WARN_ON(len != sizeof(msg));
-
- if (mbox->ops->type == OMAP_MBOX_TYPE1)
- break;
- }
-
- /* no more messages in the fifo. clear IRQ source. */
- ack_mbox_irq(mbox, IRQ_RX);
-nomem:
- schedule_work(&mbox->rxq->work);
-}
-
-static irqreturn_t mbox_interrupt(int irq, void *p)
-{
- struct omap_mbox *mbox = p;
-
- if (is_mbox_irq(mbox, IRQ_TX))
- __mbox_tx_interrupt(mbox);
-
- if (is_mbox_irq(mbox, IRQ_RX))
- __mbox_rx_interrupt(mbox);
-
- return IRQ_HANDLED;
-}
-
-static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox,
- void (*work) (struct work_struct *),
- void (*tasklet)(unsigned long))
-{
- struct omap_mbox_queue *mq;
-
- mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL);
- if (!mq)
- return NULL;
-
- spin_lock_init(&mq->lock);
-
- if (kfifo_alloc(&mq->fifo, mbox_kfifo_size, GFP_KERNEL))
- goto error;
-
- if (work)
- INIT_WORK(&mq->work, work);
-
- if (tasklet)
- tasklet_init(&mq->tasklet, tasklet, (unsigned long)mbox);
- return mq;
-error:
- kfree(mq);
- return NULL;
-}
-
-static void mbox_queue_free(struct omap_mbox_queue *q)
-{
- kfifo_free(&q->fifo);
- kfree(q);
-}
-
-static int omap_mbox_startup(struct omap_mbox *mbox)
-{
- int ret = 0;
- struct omap_mbox_queue *mq;
-
- mutex_lock(&mbox_configured_lock);
- if (!mbox_configured++) {
- if (likely(mbox->ops->startup)) {
- ret = mbox->ops->startup(mbox);
- if (unlikely(ret))
- goto fail_startup;
- } else
- goto fail_startup;
- }
-
- if (!mbox->use_count++) {
- ret = request_irq(mbox->irq, mbox_interrupt, IRQF_SHARED,
- mbox->name, mbox);
- if (unlikely(ret)) {
- pr_err("failed to register mailbox interrupt:%d\n",
- ret);
- goto fail_request_irq;
- }
- mq = mbox_queue_alloc(mbox, NULL, mbox_tx_tasklet);
- if (!mq) {
- ret = -ENOMEM;
- goto fail_alloc_txq;
- }
- mbox->txq = mq;
-
- mq = mbox_queue_alloc(mbox, mbox_rx_work, NULL);
- if (!mq) {
- ret = -ENOMEM;
- goto fail_alloc_rxq;
- }
- mbox->rxq = mq;
- mq->mbox = mbox;
-
- omap_mbox_enable_irq(mbox, IRQ_RX);
- }
- mutex_unlock(&mbox_configured_lock);
- return 0;
-
-fail_alloc_rxq:
- mbox_queue_free(mbox->txq);
-fail_alloc_txq:
- free_irq(mbox->irq, mbox);
-fail_request_irq:
- if (mbox->ops->shutdown)
- mbox->ops->shutdown(mbox);
- mbox->use_count--;
-fail_startup:
- mbox_configured--;
- mutex_unlock(&mbox_configured_lock);
- return ret;
-}
-
-static void omap_mbox_fini(struct omap_mbox *mbox)
-{
- mutex_lock(&mbox_configured_lock);
-
- if (!--mbox->use_count) {
- omap_mbox_disable_irq(mbox, IRQ_RX);
- free_irq(mbox->irq, mbox);
- tasklet_kill(&mbox->txq->tasklet);
- flush_work(&mbox->rxq->work);
- mbox_queue_free(mbox->txq);
- mbox_queue_free(mbox->rxq);
- }
-
- if (likely(mbox->ops->shutdown)) {
- if (!--mbox_configured)
- mbox->ops->shutdown(mbox);
- }
-
- mutex_unlock(&mbox_configured_lock);
-}
-
-struct omap_mbox *omap_mbox_get(const char *name, struct notifier_block *nb)
-{
- struct omap_mbox *_mbox, *mbox = NULL;
- int i, ret;
-
- if (!mboxes)
- return ERR_PTR(-EINVAL);
-
- for (i = 0; (_mbox = mboxes[i]); i++) {
- if (!strcmp(_mbox->name, name)) {
- mbox = _mbox;
- break;
- }
- }
-
- if (!mbox)
- return ERR_PTR(-ENOENT);
-
- if (nb)
- blocking_notifier_chain_register(&mbox->notifier, nb);
-
- ret = omap_mbox_startup(mbox);
- if (ret) {
- blocking_notifier_chain_unregister(&mbox->notifier, nb);
- return ERR_PTR(-ENODEV);
- }
-
- return mbox;
-}
-EXPORT_SYMBOL(omap_mbox_get);
-
-void omap_mbox_put(struct omap_mbox *mbox, struct notifier_block *nb)
-{
- blocking_notifier_chain_unregister(&mbox->notifier, nb);
- omap_mbox_fini(mbox);
-}
-EXPORT_SYMBOL(omap_mbox_put);
-
-static struct class omap_mbox_class = { .name = "mbox", };
-
-int omap_mbox_register(struct device *parent, struct omap_mbox **list)
-{
- int ret;
- int i;
-
- mboxes = list;
- if (!mboxes)
- return -EINVAL;
-
- for (i = 0; mboxes[i]; i++) {
- struct omap_mbox *mbox = mboxes[i];
- mbox->dev = device_create(&omap_mbox_class,
- parent, 0, mbox, "%s", mbox->name);
- if (IS_ERR(mbox->dev)) {
- ret = PTR_ERR(mbox->dev);
- goto err_out;
- }
-
- BLOCKING_INIT_NOTIFIER_HEAD(&mbox->notifier);
- }
- return 0;
-
-err_out:
- while (i--)
- device_unregister(mboxes[i]->dev);
- return ret;
-}
-EXPORT_SYMBOL(omap_mbox_register);
-
-int omap_mbox_unregister(void)
-{
- int i;
-
- if (!mboxes)
- return -EINVAL;
-
- for (i = 0; mboxes[i]; i++)
- device_unregister(mboxes[i]->dev);
- mboxes = NULL;
- return 0;
-}
-EXPORT_SYMBOL(omap_mbox_unregister);
-
-static int __init omap_mbox_init(void)
-{
- int err;
-
- err = class_register(&omap_mbox_class);
- if (err)
- return err;
-
- /* kfifo size sanity check: alignment and minimal size */
- mbox_kfifo_size = ALIGN(mbox_kfifo_size, sizeof(mbox_msg_t));
- mbox_kfifo_size = max_t(unsigned int, mbox_kfifo_size,
- sizeof(mbox_msg_t));
-
- return 0;
-}
-subsys_initcall(omap_mbox_init);
-
-static void __exit omap_mbox_exit(void)
-{
- class_unregister(&omap_mbox_class);
-}
-module_exit(omap_mbox_exit);
-
-MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("omap mailbox: interrupt driven messaging");
-MODULE_AUTHOR("Toshihiro Kobayashi");
-MODULE_AUTHOR("Hiroshi DOYU");
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
index 95509d8eb14..d7e17150028 100644
--- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
@@ -202,7 +202,7 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
-#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
+#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUGFS
#define s3c_cpufreq_debugfs_call(x) x
#else
#define s3c_cpufreq_debugfs_call(x) NULL
@@ -259,17 +259,17 @@ extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
#define s3c2412_iotiming_set NULL
#endif /* CONFIG_S3C2412_IOTIMING */
-#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
+#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG
#define s3c_freq_dbg(x...) printk(KERN_INFO x)
#else
#define s3c_freq_dbg(x...) do { if (0) printk(x); } while (0)
-#endif /* CONFIG_CPU_FREQ_S3C24XX_DEBUG */
+#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_DEBUG */
-#ifdef CONFIG_CPU_FREQ_S3C24XX_IODEBUG
+#ifdef CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG
#define s3c_freq_iodbg(x...) printk(KERN_INFO x)
#else
#define s3c_freq_iodbg(x...) do { if (0) printk(x); } while (0)
-#endif /* CONFIG_CPU_FREQ_S3C24XX_IODEBUG */
+#endif /* CONFIG_ARM_S3C24XX_CPUFREQ_IODEBUG */
static inline int s3c_cpufreq_addfreq(struct cpufreq_frequency_table *table,
int index, size_t table_size,
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq.h b/arch/arm/plat-samsung/include/plat/cpu-freq.h
index 80c4a809c72..85517ab962a 100644
--- a/arch/arm/plat-samsung/include/plat/cpu-freq.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq.h
@@ -126,7 +126,7 @@ struct s3c_cpufreq_board {
};
/* Things depending on frequency scaling. */
-#ifdef CONFIG_CPU_FREQ_S3C
+#ifdef CONFIG_ARM_S3C_CPUFREQ
#define __init_or_cpufreq
#else
#define __init_or_cpufreq __init
@@ -134,7 +134,7 @@ struct s3c_cpufreq_board {
/* Board functions */
-#ifdef CONFIG_CPU_FREQ_S3C
+#ifdef CONFIG_ARM_S3C_CPUFREQ
extern int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board);
#else
@@ -142,4 +142,4 @@ static inline int s3c_cpufreq_setboard(struct s3c_cpufreq_board *board)
{
return 0;
}
-#endif /* CONFIG_CPU_FREQ_S3C */
+#endif /* CONFIG_ARM_S3C_CPUFREQ */