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Commit d6a4c72a authored by Sergey Ryazanov's avatar Sergey Ryazanov Committed by Ralf Baechle
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MIPS: ath25: add Wireless device support 



Atheros AR5312 and AR2315 both have a builtin wireless device, this
patch add helper code and register platform device for all supported
WiSoCs.

Signed-off-by: default avatarSergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/8249/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 164a9748

arch/mips/ath25/ar2315.c

+2 −0
Original line number Diff line number Diff line
@@ -171,6 +171,8 @@ void __init ar2315_init_devices(void) 
{

	/* Find board configuration */

	ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);



	ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);

}



static void ar2315_restart(char *command)

arch/mips/ath25/ar5312.c

+22 −0
Original line number Diff line number Diff line
@@ -246,6 +246,28 @@ void __init ar5312_init_devices(void) 
		ath25_soc = ATH25_SOC_AR5312;



	platform_device_register(&ar5312_physmap_flash);



	switch (ath25_soc) {

	case ATH25_SOC_AR5312:

		if (!ath25_board.radio)

			return;



		if (!(config->flags & BD_WLAN0))

			break;



		ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0);

		break;

	case ATH25_SOC_AR2312:

	case ATH25_SOC_AR2313:

		if (!ath25_board.radio)

			return;

		break;

	default:

		break;

	}



	if (config->flags & BD_WLAN1)

		ath25_add_wmac(1, AR5312_WLAN1_BASE, AR5312_IRQ_WLAN1);

}



static void ar5312_restart(char *command)

arch/mips/ath25/devices.c

+54 −0
Original line number Diff line number Diff line 
#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/serial_8250.h>

#include <linux/platform_device.h>

#include <asm/bootinfo.h>



#include <ath25_platform.h>
@@ -11,6 +12,45 @@ 
struct ar231x_board_config ath25_board;

enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;



static struct resource ath25_wmac0_res[] = {

	{

		.name = "wmac0_membase",

		.flags = IORESOURCE_MEM,

	},

	{

		.name = "wmac0_irq",

		.flags = IORESOURCE_IRQ,

	}

};



static struct resource ath25_wmac1_res[] = {

	{

		.name = "wmac1_membase",

		.flags = IORESOURCE_MEM,

	},

	{

		.name = "wmac1_irq",

		.flags = IORESOURCE_IRQ,

	}

};



static struct platform_device ath25_wmac[] = {

	{

		.id = 0,

		.name = "ar231x-wmac",

		.resource = ath25_wmac0_res,

		.num_resources = ARRAY_SIZE(ath25_wmac0_res),

		.dev.platform_data = &ath25_board,

	},

	{

		.id = 1,

		.name = "ar231x-wmac",

		.resource = ath25_wmac1_res,

		.num_resources = ARRAY_SIZE(ath25_wmac1_res),

		.dev.platform_data = &ath25_board,

	},

};



static const char * const soc_type_strings[] = {

	[ATH25_SOC_AR5312] = "Atheros AR5312",

	[ATH25_SOC_AR2312] = "Atheros AR2312",
@@ -46,6 +86,20 @@ void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk) 
	early_serial_setup(&s);

}



int __init ath25_add_wmac(int nr, u32 base, int irq)

{

	struct resource *res;



	ath25_wmac[nr].dev.platform_data = &ath25_board;

	res = &ath25_wmac[nr].resource[0];

	res->start = base;

	res->end = base + 0x10000 - 1;

	res++;

	res->start = irq;

	res->end = irq;

	return platform_device_register(&ath25_wmac[nr]);

}



static int __init ath25_register_devices(void)

{

	if (is_ar5312())

arch/mips/ath25/devices.h

+1 −0
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ extern void (*ath25_irq_dispatch)(void); 


int ath25_find_config(phys_addr_t offset, unsigned long size);

void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);

int ath25_add_wmac(int nr, u32 base, int irq);



static inline bool is_ar2315(void)

{