linux/arch/mips/ath25/devices.c
Sergey Ryazanov 1654861f6e MIPS: ath25: add SoC type detection
Detect SoC type based on device ID and board configuration data.

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/8244/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24 07:45:28 +01:00

72 lines
1.5 KiB
C

#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/serial_8250.h>
#include <asm/bootinfo.h>
#include <ath25_platform.h>
#include "devices.h"
#include "ar5312.h"
#include "ar2315.h"
struct ar231x_board_config ath25_board;
enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
static const char * const soc_type_strings[] = {
[ATH25_SOC_AR5312] = "Atheros AR5312",
[ATH25_SOC_AR2312] = "Atheros AR2312",
[ATH25_SOC_AR2313] = "Atheros AR2313",
[ATH25_SOC_AR2315] = "Atheros AR2315",
[ATH25_SOC_AR2316] = "Atheros AR2316",
[ATH25_SOC_AR2317] = "Atheros AR2317",
[ATH25_SOC_AR2318] = "Atheros AR2318",
[ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
};
const char *get_system_type(void)
{
if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
!soc_type_strings[ath25_soc])
return soc_type_strings[ATH25_SOC_UNKNOWN];
return soc_type_strings[ath25_soc];
}
void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
{
struct uart_port s;
memset(&s, 0, sizeof(s));
s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
s.iotype = UPIO_MEM32;
s.irq = irq;
s.regshift = 2;
s.mapbase = mapbase;
s.uartclk = uartclk;
early_serial_setup(&s);
}
static int __init ath25_register_devices(void)
{
if (is_ar5312())
ar5312_init_devices();
else
ar2315_init_devices();
return 0;
}
device_initcall(ath25_register_devices);
static int __init ath25_arch_init(void)
{
if (is_ar5312())
ar5312_arch_init();
else
ar2315_arch_init();
return 0;
}
arch_initcall(ath25_arch_init);