*/
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/serial_8250.h>
#include <linux/bootmem.h>
#include <asm/bootinfo.h>
-#include <asm/traps.h>
#include <asm/time.h> /* for mips_hpt_frequency */
#include <asm/reboot.h> /* for _machine_{restart,halt} */
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/pci.h>
+#include "machtype.h"
#include "devices.h"
#define AR71XX_SYS_TYPE_LEN 64
#define AR71XX_BASE_FREQ 40000000
#define AR91XX_BASE_FREQ 5000000
-
-enum ar71xx_mach_type ar71xx_mach;
+#define AR724X_BASE_FREQ 5000000
u32 ar71xx_cpu_freq;
EXPORT_SYMBOL_GPL(ar71xx_cpu_freq);
enum ar71xx_soc_type ar71xx_soc;
EXPORT_SYMBOL_GPL(ar71xx_soc);
-int (*ar71xx_pci_bios_init)(unsigned nr_irqs,
- struct ar71xx_pci_irq *map) __initdata;
-
-int (*ar71xx_pci_be_handler)(int is_fixup);
-
static char ar71xx_sys_type[AR71XX_SYS_TYPE_LEN];
static void ar71xx_restart(char *command)
cpu_wait();
}
-static int ar71xx_be_handler(struct pt_regs *regs, int is_fixup)
-{
- int err = 0;
-
- if (ar71xx_pci_be_handler)
- err = ar71xx_pci_be_handler(is_fixup);
-
- return (is_fixup && !err) ? MIPS_BE_FIXUP : MIPS_BE_FATAL;
-}
-
-int __init ar71xx_pci_init(unsigned nr_irqs, struct ar71xx_pci_irq *map)
-{
- if (!ar71xx_pci_bios_init)
- return 0;
-
- return ar71xx_pci_bios_init(nr_irqs, map);
-}
-
static void __init ar71xx_detect_mem_size(void)
{
unsigned long size;
for (size = AR71XX_MEM_SIZE_MIN; size < AR71XX_MEM_SIZE_MAX;
- size <<= 1 ) {
+ size <<= 1) {
if (!memcmp(ar71xx_detect_mem_size,
ar71xx_detect_mem_size + size, 1024))
break;
}
break;
- case REV_ID_MAJOR_AR724X:
+ case REV_ID_MAJOR_AR7240:
ar71xx_soc = AR71XX_SOC_AR7240;
chip = "7240";
rev = (id & AR724X_REV_ID_REVISION_MASK);
break;
+ case REV_ID_MAJOR_AR7241:
+ ar71xx_soc = AR71XX_SOC_AR7241;
+ chip = "7241";
+ rev = (id & AR724X_REV_ID_REVISION_MASK);
+ break;
+
+ case REV_ID_MAJOR_AR7242:
+ ar71xx_soc = AR71XX_SOC_AR7242;
+ chip = "7242";
+ rev = (id & AR724X_REV_ID_REVISION_MASK);
+ break;
+
case REV_ID_MAJOR_AR913X:
minor = id & AR91XX_REV_ID_MINOR_MASK;
rev = id >> AR91XX_REV_ID_REVISION_SHIFT;
ar71xx_ahb_freq = ar71xx_cpu_freq / div;
}
+static void __init ar724x_detect_sys_frequency(void)
+{
+ u32 pll;
+ u32 freq;
+ u32 div;
+
+ pll = ar71xx_pll_rr(AR724X_PLL_REG_CPU_CONFIG);
+
+ div = ((pll >> AR724X_PLL_DIV_SHIFT) & AR724X_PLL_DIV_MASK);
+ freq = div * AR724X_BASE_FREQ;
+
+ div = ((pll >> AR724X_PLL_REF_DIV_SHIFT) & AR724X_PLL_REF_DIV_MASK);
+ freq *= div;
+
+ ar71xx_cpu_freq = freq;
+
+ div = ((pll >> AR724X_DDR_DIV_SHIFT) & AR724X_DDR_DIV_MASK) + 1;
+ ar71xx_ddr_freq = freq / div;
+
+ div = (((pll >> AR724X_AHB_DIV_SHIFT) & AR724X_AHB_DIV_MASK) + 1) * 2;
+ ar71xx_ahb_freq = ar71xx_cpu_freq / div;
+}
+
static void __init detect_sys_frequency(void)
{
switch (ar71xx_soc) {
ar71xx_detect_sys_frequency();
break;
+ case AR71XX_SOC_AR7240:
+ case AR71XX_SOC_AR7241:
+ case AR71XX_SOC_AR7242:
+ ar724x_detect_sys_frequency();
+ break;
+
case AR71XX_SOC_AR9130:
case AR71XX_SOC_AR9132:
ar91xx_detect_sys_frequency();
}
}
-#ifdef CONFIG_AR71XX_EARLY_SERIAL
-static void __init ar71xx_early_serial_setup(void)
-{
- struct uart_port p;
-
- memset(&p, 0, sizeof(p));
-
- p.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
- p.iotype = UPIO_MEM32;
- p.uartclk = ar71xx_ahb_freq;
- p.irq = AR71XX_MISC_IRQ_UART;
- p.regshift = 2;
- p.mapbase = AR71XX_UART_BASE;
-
- early_serial_setup(&p);
-}
-#else
-static inline void ar71xx_early_serial_setup(void) {};
-#endif /* CONFIG_AR71XX_EARLY_SERIAL */
-
const char *get_system_type(void)
{
return ar71xx_sys_type;
_machine_restart = ar71xx_restart;
_machine_halt = ar71xx_halt;
pm_power_off = ar71xx_halt;
-
- board_be_handler = ar71xx_be_handler;
-
- ar71xx_early_serial_setup();
}
void __init plat_time_init(void)
mips_hpt_frequency = ar71xx_cpu_freq / 2;
}
+__setup("board=", mips_machtype_setup);
+
static int __init ar71xx_machine_setup(void)
{
ar71xx_gpio_init();
ar71xx_add_device_uart();
ar71xx_add_device_wdt();
- mips_machine_setup(ar71xx_mach);
+ mips_machine_setup();
return 0;
}
arch_initcall(ar71xx_machine_setup);
+
+static void __init ar71xx_generic_init(void)
+{
+ /* Nothing to do */
+}
+
+MIPS_MACHINE(AR71XX_MACH_GENERIC, "Generic", "Generic AR71xx board",
+ ar71xx_generic_init);