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Commit 598e0855 authored by Alexandre Belloni's avatar Alexandre Belloni Committed by Nicolas Ferre
Browse files

ARM: at91: remove old setup 



The old setup is not used anymore, remove it

Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 075fcc9f

arch/arm/mach-at91/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
# Makefile for the linux kernel.

#



obj-y		:= setup.o soc.o

obj-y		:= soc.o



obj-$(CONFIG_SOC_AT91SAM9)	+= sam9_smc.o

arch/arm/mach-at91/setup.c

deleted100644 → 0
+0 −320
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2007 Atmel Corporation.

 * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

 *

 * Under GPLv2

 */



#define pr_fmt(fmt)	"AT91: " fmt



#include <linux/module.h>

#include <linux/io.h>

#include <linux/mm.h>

#include <linux/pm.h>

#include <linux/of_address.h>

#include <linux/pinctrl/machine.h>

#include <linux/clk/at91_pmc.h>



#include <asm/system_misc.h>

#include <asm/mach/map.h>



#include <mach/hardware.h>

#include <mach/cpu.h>

#include <mach/at91_dbgu.h>



#include "generic.h"

#include "pm.h"



struct at91_socinfo at91_soc_initdata;

EXPORT_SYMBOL(at91_soc_initdata);



static struct map_desc at91_io_desc __initdata __maybe_unused = {

	.virtual	= (unsigned long)AT91_VA_BASE_SYS,

	.pfn		= __phys_to_pfn(AT91_BASE_SYS),

	.length		= SZ_16K,

	.type		= MT_DEVICE,

};



static struct map_desc at91_alt_io_desc __initdata __maybe_unused = {

	.virtual	= (unsigned long)AT91_ALT_VA_BASE_SYS,

	.pfn		= __phys_to_pfn(AT91_ALT_BASE_SYS),

	.length		= 24 * SZ_1K,

	.type		= MT_DEVICE,

};



static void __init soc_detect(u32 dbgu_base)

{

	u32 cidr, socid;



	cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);

	socid = cidr & ~AT91_CIDR_VERSION;



	switch (socid) {

	case ARCH_ID_AT91RM9200:

		at91_soc_initdata.type = AT91_SOC_RM9200;

		if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_UNKNOWN)

			at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;

		break;



	case ARCH_ID_AT91SAM9260:

		at91_soc_initdata.type = AT91_SOC_SAM9260;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

		break;



	case ARCH_ID_AT91SAM9261:

		at91_soc_initdata.type = AT91_SOC_SAM9261;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

		break;



	case ARCH_ID_AT91SAM9263:

		at91_soc_initdata.type = AT91_SOC_SAM9263;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

		break;



	case ARCH_ID_AT91SAM9G20:

		at91_soc_initdata.type = AT91_SOC_SAM9G20;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

		break;



	case ARCH_ID_AT91SAM9G45:

		at91_soc_initdata.type = AT91_SOC_SAM9G45;

		if (cidr == ARCH_ID_AT91SAM9G45ES)

			at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES;

		break;



	case ARCH_ID_AT91SAM9RL64:

		at91_soc_initdata.type = AT91_SOC_SAM9RL;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

		break;



	case ARCH_ID_AT91SAM9X5:

		at91_soc_initdata.type = AT91_SOC_SAM9X5;

		break;



	case ARCH_ID_AT91SAM9N12:

		at91_soc_initdata.type = AT91_SOC_SAM9N12;

		break;



	case ARCH_ID_SAMA5:

		at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);

		if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {

			at91_soc_initdata.type = AT91_SOC_SAMA5D3;

		}

		break;

	}



	/* at91sam9g10 */

	if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {

		at91_soc_initdata.type = AT91_SOC_SAM9G10;

		at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;

	}

	/* at91sam9xe */

	else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) {

		at91_soc_initdata.type = AT91_SOC_SAM9260;

		at91_soc_initdata.subtype = AT91_SOC_SAM9XE;

	}



	if (!at91_soc_is_detected())

		return;



	at91_soc_initdata.cidr = cidr;



	/* sub version of soc */

	if (!at91_soc_initdata.exid)

		at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);



	if (at91_soc_initdata.type == AT91_SOC_SAM9G45) {

		switch (at91_soc_initdata.exid) {

		case ARCH_EXID_AT91SAM9M10:

			at91_soc_initdata.subtype = AT91_SOC_SAM9M10;

			break;

		case ARCH_EXID_AT91SAM9G46:

			at91_soc_initdata.subtype = AT91_SOC_SAM9G46;

			break;

		case ARCH_EXID_AT91SAM9M11:

			at91_soc_initdata.subtype = AT91_SOC_SAM9M11;

			break;

		}

	}



	if (at91_soc_initdata.type == AT91_SOC_SAM9X5) {

		switch (at91_soc_initdata.exid) {

		case ARCH_EXID_AT91SAM9G15:

			at91_soc_initdata.subtype = AT91_SOC_SAM9G15;

			break;

		case ARCH_EXID_AT91SAM9G35:

			at91_soc_initdata.subtype = AT91_SOC_SAM9G35;

			break;

		case ARCH_EXID_AT91SAM9X35:

			at91_soc_initdata.subtype = AT91_SOC_SAM9X35;

			break;

		case ARCH_EXID_AT91SAM9G25:

			at91_soc_initdata.subtype = AT91_SOC_SAM9G25;

			break;

		case ARCH_EXID_AT91SAM9X25:

			at91_soc_initdata.subtype = AT91_SOC_SAM9X25;

			break;

		}

	}



	if (at91_soc_initdata.type == AT91_SOC_SAMA5D3) {

		switch (at91_soc_initdata.exid) {

		case ARCH_EXID_SAMA5D31:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D31;

			break;

		case ARCH_EXID_SAMA5D33:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D33;

			break;

		case ARCH_EXID_SAMA5D34:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D34;

			break;

		case ARCH_EXID_SAMA5D35:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D35;

			break;

		case ARCH_EXID_SAMA5D36:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D36;

			break;

		}

	}

}



static void __init alt_soc_detect(u32 dbgu_base)

{

	u32 cidr, socid;



	/* SoC ID */

	cidr = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);

	socid = cidr & ~AT91_CIDR_VERSION;



	switch (socid) {

	case ARCH_ID_SAMA5:

		at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);

		if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {

			at91_soc_initdata.type = AT91_SOC_SAMA5D3;

		} else if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D4) {

			at91_soc_initdata.type = AT91_SOC_SAMA5D4;

		}

		break;

	}



	if (!at91_soc_is_detected())

		return;



	at91_soc_initdata.cidr = cidr;



	/* sub version of soc */

	if (!at91_soc_initdata.exid)

		at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);



	if (at91_soc_initdata.type == AT91_SOC_SAMA5D4) {

		switch (at91_soc_initdata.exid) {

		case ARCH_EXID_SAMA5D41:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D41;

			break;

		case ARCH_EXID_SAMA5D42:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D42;

			break;

		case ARCH_EXID_SAMA5D43:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D43;

			break;

		case ARCH_EXID_SAMA5D44:

			at91_soc_initdata.subtype = AT91_SOC_SAMA5D44;

			break;

		}

	}

}



static const char *soc_name[] = {

	[AT91_SOC_RM9200]	= "at91rm9200",

	[AT91_SOC_SAM9260]	= "at91sam9260",

	[AT91_SOC_SAM9261]	= "at91sam9261",

	[AT91_SOC_SAM9263]	= "at91sam9263",

	[AT91_SOC_SAM9G10]	= "at91sam9g10",

	[AT91_SOC_SAM9G20]	= "at91sam9g20",

	[AT91_SOC_SAM9G45]	= "at91sam9g45",

	[AT91_SOC_SAM9RL]	= "at91sam9rl",

	[AT91_SOC_SAM9X5]	= "at91sam9x5",

	[AT91_SOC_SAM9N12]	= "at91sam9n12",

	[AT91_SOC_SAMA5D3]	= "sama5d3",

	[AT91_SOC_SAMA5D4]	= "sama5d4",

	[AT91_SOC_UNKNOWN]	= "Unknown",

};



const char *at91_get_soc_type(struct at91_socinfo *c)

{

	return soc_name[c->type];

}

EXPORT_SYMBOL(at91_get_soc_type);



static const char *soc_subtype_name[] = {

	[AT91_SOC_RM9200_BGA]	= "at91rm9200 BGA",

	[AT91_SOC_RM9200_PQFP]	= "at91rm9200 PQFP",

	[AT91_SOC_SAM9XE]	= "at91sam9xe",

	[AT91_SOC_SAM9G45ES]	= "at91sam9g45es",

	[AT91_SOC_SAM9M10]	= "at91sam9m10",

	[AT91_SOC_SAM9G46]	= "at91sam9g46",

	[AT91_SOC_SAM9M11]	= "at91sam9m11",

	[AT91_SOC_SAM9G15]	= "at91sam9g15",

	[AT91_SOC_SAM9G35]	= "at91sam9g35",

	[AT91_SOC_SAM9X35]	= "at91sam9x35",

	[AT91_SOC_SAM9G25]	= "at91sam9g25",

	[AT91_SOC_SAM9X25]	= "at91sam9x25",

	[AT91_SOC_SAMA5D31]	= "sama5d31",

	[AT91_SOC_SAMA5D33]	= "sama5d33",

	[AT91_SOC_SAMA5D34]	= "sama5d34",

	[AT91_SOC_SAMA5D35]	= "sama5d35",

	[AT91_SOC_SAMA5D36]	= "sama5d36",

	[AT91_SOC_SAMA5D41]	= "sama5d41",

	[AT91_SOC_SAMA5D42]	= "sama5d42",

	[AT91_SOC_SAMA5D43]	= "sama5d43",

	[AT91_SOC_SAMA5D44]	= "sama5d44",

	[AT91_SOC_SUBTYPE_NONE]	= "None",

	[AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown",

};



const char *at91_get_soc_subtype(struct at91_socinfo *c)

{

	return soc_subtype_name[c->subtype];

}

EXPORT_SYMBOL(at91_get_soc_subtype);



void __init at91_map_io(void)

{

	/* Map peripherals */

	iotable_init(&at91_io_desc, 1);



	at91_soc_initdata.type = AT91_SOC_UNKNOWN;

	at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN;



	soc_detect(AT91_BASE_DBGU0);

	if (!at91_soc_is_detected())

		soc_detect(AT91_BASE_DBGU1);



	if (!at91_soc_is_detected())

		panic(pr_fmt("Impossible to detect the SOC type"));



	pr_info("Detected soc type: %s\n",

		at91_get_soc_type(&at91_soc_initdata));

	if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)

		pr_info("Detected soc subtype: %s\n",

			at91_get_soc_subtype(&at91_soc_initdata));

}



void __init at91_alt_map_io(void)

{

	/* Map peripherals */

	iotable_init(&at91_alt_io_desc, 1);



	at91_soc_initdata.type = AT91_SOC_UNKNOWN;

	at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN;



	alt_soc_detect(AT91_BASE_DBGU2);

	if (!at91_soc_is_detected())

		panic("AT91: Impossible to detect the SOC type");



	pr_info("AT91: Detected soc type: %s\n",

		at91_get_soc_type(&at91_soc_initdata));

	if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)

		pr_info("AT91: Detected soc subtype: %s\n",

			at91_get_soc_subtype(&at91_soc_initdata));

}