a8d4d71c41
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/commits/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
235 lines
7 KiB
Diff
235 lines
7 KiB
Diff
From 177ef127e03243ede5b1b00032d5f9fdce94673b Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Fri, 12 Feb 2016 15:38:00 +0000
|
|
Subject: [PATCH 145/232] BCM270X_DT: Add dtparams for the SD interface
|
|
|
|
Add new base dtparams sd_overclock, sd_force_pio, sd_pio_limit
|
|
and sd_debug.
|
|
---
|
|
arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 4 ++++
|
|
arch/arm/boot/dts/bcm2708-rpi-b.dts | 4 ++++
|
|
arch/arm/boot/dts/bcm2708-rpi-cm.dts | 1 -
|
|
arch/arm/boot/dts/bcm2708-rpi-cm.dtsi | 13 +++++++++++++
|
|
arch/arm/boot/dts/bcm2708_common.dtsi | 2 ++
|
|
arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 4 ++++
|
|
arch/arm/boot/dts/overlays/README | 11 ++++++++++-
|
|
arch/arm/boot/dts/overlays/mmc-overlay.dts | 1 -
|
|
arch/arm/boot/dts/overlays/sdhost-overlay.dts | 27 +++++++++++++-------------
|
|
arch/arm/boot/dts/overlays/sdtweak-overlay.dts | 14 ++++++-------
|
|
10 files changed, 58 insertions(+), 23 deletions(-)
|
|
|
|
--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
|
|
+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
|
|
@@ -141,5 +141,9 @@
|
|
audio = <&audio>,"status";
|
|
watchdog = <&watchdog>,"status";
|
|
random = <&random>,"status";
|
|
+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
|
|
+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
|
|
+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
|
|
+ sd_debug = <&sdhost>,"brcm,debug";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
|
|
+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
|
|
@@ -131,5 +131,9 @@
|
|
audio = <&audio>,"status";
|
|
watchdog = <&watchdog>,"status";
|
|
random = <&random>,"status";
|
|
+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
|
|
+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
|
|
+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
|
|
+ sd_debug = <&sdhost>,"brcm,debug";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
|
|
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
|
|
@@ -97,6 +97,5 @@
|
|
i2c0_baudrate = <&i2c0>,"clock-frequency:0";
|
|
i2c1_baudrate = <&i2c1>,"clock-frequency:0";
|
|
i2c2_baudrate = <&i2c2>,"clock-frequency:0";
|
|
- core_freq = <&clk_core>,"clock-frequency:0";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
|
|
+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
|
|
@@ -7,6 +7,13 @@
|
|
};
|
|
};
|
|
|
|
+&gpio {
|
|
+ sdhost_pins: sdhost_pins {
|
|
+ brcm,pins = <48 49 50 51 52 53>;
|
|
+ brcm,function = <4>; /* alt0 */
|
|
+ };
|
|
+};
|
|
+
|
|
&leds {
|
|
act_led: act {
|
|
label = "led0";
|
|
@@ -29,6 +36,8 @@
|
|
|
|
/ {
|
|
__overrides__ {
|
|
+ core_freq = <&clk_core>,"clock-frequency:0";
|
|
+
|
|
act_led_gpio = <&act_led>,"gpios:4";
|
|
act_led_activelow = <&act_led>,"gpios:8";
|
|
act_led_trigger = <&act_led>,"linux,default-trigger";
|
|
@@ -36,5 +45,9 @@
|
|
audio = <&audio>,"status";
|
|
watchdog = <&watchdog>,"status";
|
|
random = <&random>,"status";
|
|
+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
|
|
+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
|
|
+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
|
|
+ sd_debug = <&sdhost>,"brcm,debug";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/bcm2708_common.dtsi
|
|
+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
|
|
@@ -135,6 +135,7 @@
|
|
dmas = <&dma 13>,
|
|
<&dma 13>;
|
|
dma-names = "tx", "rx";
|
|
+ brcm,overclock-50 = <0>;
|
|
brcm,pio-limit = <1>;
|
|
status = "disabled";
|
|
};
|
|
@@ -203,6 +204,7 @@
|
|
dmas = <&dma 11>,
|
|
<&dma 11>;
|
|
dma-names = "tx", "rx";
|
|
+ brcm,overclock-50 = <0>;
|
|
status = "disabled";
|
|
};
|
|
|
|
--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
|
|
+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
|
|
@@ -141,5 +141,9 @@
|
|
audio = <&audio>,"status";
|
|
watchdog = <&watchdog>,"status";
|
|
random = <&random>,"status";
|
|
+ sd_overclock = <&sdhost>,"brcm,overclock-50:0";
|
|
+ sd_force_pio = <&sdhost>,"brcm,force-pio?";
|
|
+ sd_pio_limit = <&sdhost>,"brcm,pio-limit:0";
|
|
+ sd_debug = <&sdhost>,"brcm,debug";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -112,6 +112,16 @@ Params:
|
|
random Set to "on" to enable the hardware random
|
|
number generator (default "on")
|
|
|
|
+ sd_overclock Clock (in MHz) to use when the MMC framework
|
|
+ requests 50MHz
|
|
+
|
|
+ sd_force_pio Disable DMA support for SD driver (default off)
|
|
+
|
|
+ sd_pio_limit Number of blocks above which to use DMA for
|
|
+ SD card (default 1)
|
|
+
|
|
+ sd_debug Enable debug output from SD driver (default off)
|
|
+
|
|
uart0 Set to "off" to disable uart0 (default "on")
|
|
|
|
watchdog Set to "on" to enable the hardware watchdog
|
|
@@ -443,7 +453,6 @@ Info: Selects the bcm2835-mmc SD/MMC d
|
|
Load: dtoverlay=mmc,<param>=<val>
|
|
Params: overclock_50 Clock (in MHz) to use when the MMC framework
|
|
requests 50MHz
|
|
- force_pio Disable DMA support
|
|
|
|
|
|
Name: mz61581
|
|
--- a/arch/arm/boot/dts/overlays/mmc-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/mmc-overlay.dts
|
|
@@ -34,6 +34,5 @@
|
|
|
|
__overrides__ {
|
|
overclock_50 = <&frag0>,"brcm,overclock-50:0";
|
|
- force_pio = <&frag0>,"brcm,force-pio?";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/overlays/sdhost-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts
|
|
@@ -1,19 +1,14 @@
|
|
/dts-v1/;
|
|
/plugin/;
|
|
|
|
+/* Provide backwards compatible aliases for the old sdhost dtparams. */
|
|
+
|
|
/{
|
|
compatible = "brcm,bcm2708";
|
|
|
|
fragment@0 {
|
|
- target = <&mmc>;
|
|
- __overlay__ {
|
|
- status = "disabled";
|
|
- };
|
|
- };
|
|
-
|
|
- fragment@1 {
|
|
target = <&sdhost>;
|
|
- frag1: __overlay__ {
|
|
+ frag0: __overlay__ {
|
|
brcm,overclock-50 = <0>;
|
|
brcm,pio-limit = <1>;
|
|
brcm,debug-flags = <0>;
|
|
@@ -21,11 +16,17 @@
|
|
};
|
|
};
|
|
|
|
+ fragment@1 {
|
|
+ target = <&mmc>;
|
|
+ __overlay__ {
|
|
+ status = "disabled";
|
|
+ };
|
|
+ };
|
|
+
|
|
__overrides__ {
|
|
- overclock_50 = <&frag1>,"brcm,overclock-50:0";
|
|
- force_pio = <&frag1>,"brcm,force-pio?";
|
|
- pio_limit = <&frag1>,"brcm,pio-limit:0";
|
|
- debug = <&frag1>,"brcm,debug?";
|
|
- debug_flags = <&frag1>,"brcm,debug-flags:0";
|
|
+ overclock_50 = <&frag0>,"brcm,overclock-50:0";
|
|
+ force_pio = <&frag0>,"brcm,force-pio?";
|
|
+ pio_limit = <&frag0>,"brcm,pio-limit:0";
|
|
+ debug = <&frag0>,"brcm,debug?";
|
|
};
|
|
};
|
|
--- a/arch/arm/boot/dts/overlays/sdtweak-overlay.dts
|
|
+++ b/arch/arm/boot/dts/overlays/sdtweak-overlay.dts
|
|
@@ -1,23 +1,23 @@
|
|
/dts-v1/;
|
|
/plugin/;
|
|
|
|
+/* Provide backwards compatible aliases for the old sdhost dtparams. */
|
|
+
|
|
/{
|
|
compatible = "brcm,bcm2708";
|
|
|
|
fragment@0 {
|
|
target = <&sdhost>;
|
|
- frag1: __overlay__ {
|
|
+ frag0: __overlay__ {
|
|
brcm,overclock-50 = <0>;
|
|
brcm,pio-limit = <1>;
|
|
- brcm,debug-flags = <0>;
|
|
};
|
|
};
|
|
|
|
__overrides__ {
|
|
- overclock_50 = <&frag1>,"brcm,overclock-50:0";
|
|
- force_pio = <&frag1>,"brcm,force-pio?";
|
|
- pio_limit = <&frag1>,"brcm,pio-limit:0";
|
|
- debug = <&frag1>,"brcm,debug?";
|
|
- debug_flags = <&frag1>,"brcm,debug-flags:0";
|
|
+ overclock_50 = <&frag0>,"brcm,overclock-50:0";
|
|
+ force_pio = <&frag0>,"brcm,force-pio?";
|
|
+ pio_limit = <&frag0>,"brcm,pio-limit:0";
|
|
+ debug = <&frag0>,"brcm,debug?";
|
|
};
|
|
};
|