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Commit 81d2ef7c authored by Sebastian Hesselbarth's avatar Sebastian Hesselbarth Committed by Jason Cooper
Browse files

ARM: dove: add device tree based machine descriptor 



This adds a generic DT_MACHINE for mach-dove. As with other orion based
SoCs there still is some glue code required to make all internal devices
work, i.e. auxdata is provided to pass clocks to corresponding device
drivers.

Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: default avatarJason Cooper <jason@lakedaemon.net>
parent 624d0b52

arch/arm/mach-dove/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -15,6 +15,13 @@ config MACH_CM_A510 
	  Say 'Y' here if you want your kernel to support the

	  CompuLab CM-A510 Board.



config MACH_DOVE_DT

	bool "Marvell Dove Flattened Device Tree"

	select USE_OF

	help

	  Say 'Y' here if you want your kernel to support the

	  Marvell Dove using flattened device tree.



endmenu



endif

arch/arm/mach-dove/common.c

+67 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 
#include <linux/clk-provider.h>

#include <linux/ata_platform.h>

#include <linux/gpio.h>

#include <linux/of.h>

#include <linux/of_platform.h>

#include <asm/page.h>

#include <asm/setup.h>

#include <asm/timex.h>
@@ -29,6 +31,7 @@ 
#include <asm/mach/arch.h>

#include <linux/irq.h>

#include <plat/time.h>

#include <plat/irq.h>

#include <plat/ehci-orion.h>

#include <plat/common.h>

#include <plat/addr-map.h>
@@ -380,3 +383,67 @@ void dove_restart(char mode, const char *cmd) 
	while (1)

		;

}



#if defined(CONFIG_MACH_DOVE_DT)

/*

 * Auxdata required until real OF clock provider

 */

struct of_dev_auxdata dove_auxdata_lookup[] __initdata = {

	OF_DEV_AUXDATA("marvell,orion-spi", 0xf1010600, "orion_spi.0", NULL),

	OF_DEV_AUXDATA("marvell,orion-spi", 0xf1014600, "orion_spi.1", NULL),

	OF_DEV_AUXDATA("marvell,orion-wdt", 0xf1020300, "orion_wdt", NULL),

	OF_DEV_AUXDATA("marvell,mv64xxx-i2c", 0xf1011000, "mv64xxx_i2c.0",

		       NULL),

	OF_DEV_AUXDATA("marvell,orion-sata", 0xf10a0000, "sata_mv.0", NULL),

	OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1092000, "sdhci-dove.0", NULL),

	OF_DEV_AUXDATA("marvell,dove-sdhci", 0xf1090000, "sdhci-dove.1", NULL),

	{},

};



static struct mv643xx_eth_platform_data dove_dt_ge00_data = {

	.phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT,

};



static void __init dove_dt_init(void)

{

	pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n",

		(dove_tclk + 499999) / 1000000);



#ifdef CONFIG_CACHE_TAUROS2

	tauros2_init();

#endif

	dove_setup_cpu_mbus();



	/* Setup root of clk tree */

	dove_clk_init();



	/* Internal devices not ported to DT yet */

	dove_rtc_init();

	dove_xor0_init();

	dove_xor1_init();



	dove_ge00_init(&dove_dt_ge00_data);

	dove_ehci0_init();

	dove_ehci1_init();

	dove_pcie_init(1, 1);

	dove_crypto_init();



	of_platform_populate(NULL, of_default_bus_match_table,

			     dove_auxdata_lookup, NULL);

}



static const char * const dove_dt_board_compat[] = {

	"marvell,dove",

	NULL

};



DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)")

	.map_io		= dove_map_io,

	.init_early	= dove_init_early,

	.init_irq	= orion_dt_init_irq,

	.timer		= &dove_timer,

	.init_machine	= dove_dt_init,

	.restart	= dove_restart,

	.dt_compat	= dove_dt_board_compat,

MACHINE_END

#endif