From 09a54c009e8ffbcb88d4b5593b8da32596f14be0 Mon Sep 17 00:00:00 2001
From: Stefan Roese <sr@denx.de>
Date: Fri, 20 Nov 2015 13:51:57 +0100
Subject: [PATCH] arm: mvebu: Add SPI driver model support
This patch enables the DM support for the SPI driver and the
SPI NOR flash chips. Some MVEBU boards boot from SPI NOR, so
adding the aliases and enabling CONFIG_DM_SEQ_ALIAS is needed
here.
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Cc: Dirk Eibach <dirk.eibach@gdsys.cc>
Cc: Simon Glass <sjg@chromium.org>
---
arch/arm/Kconfig | 3 +++
arch/arm/dts/armada-388-gp.dts | 6 ++++++
arch/arm/dts/armada-38x.dtsi | 2 ++
arch/arm/dts/armada-xp-gp.dts | 6 ++++++
arch/arm/dts/armada-xp.dtsi | 1 +
arch/arm/mach-mvebu/include/mach/config.h | 6 ++++--
arch/arm/mach-mvebu/include/mach/soc.h | 1 -
include/configs/db-88f6820-gp.h | 2 +-
8 files changed, 23 insertions(+), 4 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index b886d01401..68ae6b6d06 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -118,8 +118,11 @@ config ARCH_MVEBU
select OF_SEPARATE
select DM
select DM_SERIAL
+ select DM_SPI
+ select DM_SPI_FLASH
select SPL_DM
select SPL_OF_CONTROL
+ select SPL_SIMPLE_BUS
config TARGET_DEVKIT3250
bool "Support devkit3250"
diff --git a/arch/arm/dts/armada-388-gp.dts b/arch/arm/dts/armada-388-gp.dts
index f576e93826..f3bcbc6320 100644
--- a/arch/arm/dts/armada-388-gp.dts
+++ b/arch/arm/dts/armada-388-gp.dts
@@ -51,6 +51,10 @@
stdout-path = "serial0:115200n8";
};
+ aliases {
+ spi0 = &spi0;
+ };
+
memory {
device_type = "memory";
reg = <0x00000000 0x80000000>; /* 2 GB */
@@ -65,8 +69,10 @@
pinctrl-names = "default";
pinctrl-0 = <&spi0_pins>;
status = "okay";
+ u-boot,dm-pre-reloc;
spi-flash@0 {
+ u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <1>;
compatible = "st,m25p128", "jedec,spi-nor";
diff --git a/arch/arm/dts/armada-38x.dtsi b/arch/arm/dts/armada-38x.dtsi
index 04ecfe6e2b..dc8a1a66c1 100644
--- a/arch/arm/dts/armada-38x.dtsi
+++ b/arch/arm/dts/armada-38x.dtsi
@@ -70,6 +70,7 @@
soc {
compatible = "marvell,armada380-mbus", "simple-bus";
+ u-boot,dm-pre-reloc;
#address-cells = <2>;
#size-cells = <1>;
controller = <&mbusc>;
@@ -134,6 +135,7 @@
internal-regs {
compatible = "simple-bus";
+ u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 MBUS_ID(0xf0, 0x01) 0 0x100000>;
diff --git a/arch/arm/dts/armada-xp-gp.dts b/arch/arm/dts/armada-xp-gp.dts
index ca5f8bb210..27799d1254 100644
--- a/arch/arm/dts/armada-xp-gp.dts
+++ b/arch/arm/dts/armada-xp-gp.dts
@@ -68,6 +68,10 @@
stdout-path = "serial0:115200n8";
};
+ aliases {
+ spi0 = &spi0;
+ };
+
memory {
device_type = "memory";
/*
@@ -224,8 +228,10 @@
spi0: spi@10600 {
status = "okay";
+ u-boot,dm-pre-reloc;
spi-flash@0 {
+ u-boot,dm-pre-reloc;
#address-cells = <1>;
#size-cells = <1>;
compatible = "n25q128a13", "jedec,spi-nor";
diff --git a/arch/arm/dts/armada-xp.dtsi b/arch/arm/dts/armada-xp.dtsi
index 3de9b761cc..3fac39e41d 100644
--- a/arch/arm/dts/armada-xp.dtsi
+++ b/arch/arm/dts/armada-xp.dtsi
@@ -63,6 +63,7 @@
soc {
compatible = "marvell,armadaxp-mbus", "simple-bus";
+ u-boot,dm-pre-reloc;
bootrom {
compatible = "marvell,bootrom";
diff --git a/arch/arm/mach-mvebu/include/mach/config.h b/arch/arm/mach-mvebu/include/mach/config.h
index 3d18827573..74a1ff6ad7 100644
--- a/arch/arm/mach-mvebu/include/mach/config.h
+++ b/arch/arm/mach-mvebu/include/mach/config.h
@@ -47,8 +47,7 @@
* SPI Flash configuration
*/
#ifdef CONFIG_CMD_SF
-#define CONFIG_HARD_SPI 1
-#define CONFIG_KIRKWOOD_SPI 1
+#define CONFIG_KIRKWOOD_SPI
#ifndef CONFIG_ENV_SPI_BUS
# define CONFIG_ENV_SPI_BUS 0
#endif
@@ -60,6 +59,9 @@
#endif
#endif
+/* Needed for SPI NOR booting in SPL */
+#define CONFIG_DM_SEQ_ALIAS 1
+
/*
* Ethernet Driver configuration
*/
diff --git a/arch/arm/mach-mvebu/include/mach/soc.h b/arch/arm/mach-mvebu/include/mach/soc.h
index 800f5d55a2..3cdb1f24d7 100644
--- a/arch/arm/mach-mvebu/include/mach/soc.h
+++ b/arch/arm/mach-mvebu/include/mach/soc.h
@@ -47,7 +47,6 @@
#define MVEBU_SDRAM_SCRATCH (MVEBU_REGISTER(0x01504))
#define MVEBU_L2_CACHE_BASE (MVEBU_REGISTER(0x08000))
#define CONFIG_SYS_PL310_BASE MVEBU_L2_CACHE_BASE
-#define MVEBU_SPI_BASE (MVEBU_REGISTER(0x10600))
#define MVEBU_TWSI_BASE (MVEBU_REGISTER(0x11000))
#define MVEBU_MPP_BASE (MVEBU_REGISTER(0x18000))
#define MVEBU_GPIO0_BASE (MVEBU_REGISTER(0x18100))
diff --git a/include/configs/db-88f6820-gp.h b/include/configs/db-88f6820-gp.h
index dfc243d146..55ba7d30a6 100644
--- a/include/configs/db-88f6820-gp.h
+++ b/include/configs/db-88f6820-gp.h
@@ -160,7 +160,7 @@
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SPL_SPI_BUS 0
#define CONFIG_SPL_SPI_CS 0
-#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
+#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x24000
#define CONFIG_SYS_U_BOOT_OFFS CONFIG_SYS_SPI_U_BOOT_OFFS
#endif
--
2.39.5