Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ea42a0d0 authored by Stefano Babic's avatar Stefano Babic Committed by Sascha Hauer
Browse files

ARM: mxs: Add initial support for DENX MX28 



Added initial support for DENX M28 module and M28EVK
board. Ethernet(FEC), SDHC, Display are supported.

Signed-off-by: default avatarStefano Babic <sbabic@denx.de>
Reviewed-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 976d1676

arch/arm/configs/mxs_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ CONFIG_MACH_MX23EVK=y 
CONFIG_MACH_MX28EVK=y

CONFIG_MACH_STMP378X_DEVB=y

CONFIG_MACH_TX28=y

CONFIG_MACH_M28EVK=y

# CONFIG_ARM_THUMB is not set

CONFIG_NO_HZ=y

CONFIG_HIGH_RES_TIMERS=y

arch/arm/mach-mxs/Kconfig

+17 −0
Original line number Diff line number Diff line
@@ -64,8 +64,25 @@ config MODULE_TX28 
	select MXS_HAVE_PLATFORM_MXS_MMC

	select MXS_HAVE_PLATFORM_MXS_PWM



config MODULE_M28

	bool

	select SOC_IMX28

	select LEDS_GPIO_REGISTER

	select MXS_HAVE_AMBA_DUART

	select MXS_HAVE_PLATFORM_AUART

	select MXS_HAVE_PLATFORM_FEC

	select MXS_HAVE_PLATFORM_FLEXCAN

	select MXS_HAVE_PLATFORM_MXS_I2C

	select MXS_HAVE_PLATFORM_MXS_MMC

	select MXS_HAVE_PLATFORM_MXSFB

	select MXS_OCOTP



config MACH_TX28

	bool "Ka-Ro TX28 module"

	select MODULE_TX28



config MACH_M28EVK

	bool "Support DENX M28EVK Platform"

	select MODULE_M28



endif

arch/arm/mach-mxs/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ obj-$(CONFIG_SOC_IMX28) += clock-mx28.o mm-mx28.o 
obj-$(CONFIG_MACH_STMP378X_DEVB) += mach-stmp378x_devb.o

obj-$(CONFIG_MACH_MX23EVK) += mach-mx23evk.o

obj-$(CONFIG_MACH_MX28EVK) += mach-mx28evk.o

obj-$(CONFIG_MACH_M28EVK)    += mach-m28evk.o

obj-$(CONFIG_MODULE_TX28) += module-tx28.o

obj-$(CONFIG_MACH_TX28)    += mach-tx28.o

arch/arm/mach-mxs/clock-mx28.c

+11 −5
Original line number Diff line number Diff line
@@ -738,11 +738,17 @@ static int clk_misc_init(void) 
	__raw_writel(BM_CLKCTRL_CPU_INTERRUPT_WAIT,

			CLKCTRL_BASE_ADDR + HW_CLKCTRL_CPU_SET);



	/* Extra fec clock setting */

	/*

	 * Extra fec clock setting

	 * The DENX M28 uses an external clock source

	 * and the clock output must not be enabled

	 */

	if (!machine_is_m28evk()) {

		reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);

		reg &= ~BM_CLKCTRL_ENET_SLEEP;

		reg |= BM_CLKCTRL_ENET_CLK_OUT_EN;

		__raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_ENET);

	}



	/*

	 * 480 MHz seems too high to be ssp clock source directly,

arch/arm/mach-mxs/include/mach/mxs.h

+1 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
		0)

#define cpu_is_mx28()		(					\

		machine_is_mx28evk() ||					\

		machine_is_m28evk() ||					\

		machine_is_tx28() ||					\

		0)