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authorSergey Ryazanov <ryazanov.s.a@gmail.com>2014-10-29 02:18:50 +0300
committerRalf Baechle <ralf@linux-mips.org>2014-11-24 09:45:29 +0300
commitd6a4c72ae4dcf5e6824638e57a8088bd1313a744 (patch)
tree0816ada60e7e6138276a5c6c451201cf52feaa49 /arch/mips/ath25
parent164a974889c03cbc6559923b8c1da8762904c560 (diff)
downloadlinux-d6a4c72ae4dcf5e6824638e57a8088bd1313a744.tar.xz
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: Sergey 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: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ath25')
-rw-r--r--arch/mips/ath25/ar2315.c2
-rw-r--r--arch/mips/ath25/ar5312.c22
-rw-r--r--arch/mips/ath25/devices.c54
-rw-r--r--arch/mips/ath25/devices.h1
4 files changed, 79 insertions, 0 deletions
diff --git a/arch/mips/ath25/ar2315.c b/arch/mips/ath25/ar2315.c
index f02478915afd..2befa7d766a6 100644
--- a/arch/mips/ath25/ar2315.c
+++ b/arch/mips/ath25/ar2315.c
@@ -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)
diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c
index 383dd6c38e0a..b6887f75144c 100644
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -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)
diff --git a/arch/mips/ath25/devices.c b/arch/mips/ath25/devices.c
index 62185472ef28..7a64567d1ac3 100644
--- a/arch/mips/ath25/devices.c
+++ b/arch/mips/ath25/devices.c
@@ -1,6 +1,7 @@
#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())
diff --git a/arch/mips/ath25/devices.h b/arch/mips/ath25/devices.h
index 55adcf4f2b48..04d414115356 100644
--- a/arch/mips/ath25/devices.h
+++ b/arch/mips/ath25/devices.h
@@ -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)
{