Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 478e223c authored by Haojian Zhuang's avatar Haojian Zhuang
Browse files

ARM: pxa: recognize gpio number and type



Use cpuid to recognize the gpio number and type. CPU_PXA26x is the
special case since we can't identify it by cpuid.

Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
parent 4929f5a8
Loading
Loading
Loading
Loading
+40 −1
Original line number Diff line number Diff line
@@ -347,12 +347,51 @@ static struct irq_chip pxa_muxed_gpio_chip = {
	.irq_set_type	= pxa_gpio_irq_type,
};

static int pxa_gpio_nums(void)
{
	int count = 0;

#ifdef CONFIG_ARCH_PXA
	if (cpu_is_pxa25x()) {
#ifdef CONFIG_CPU_PXA26x
		count = 89;
		gpio_type = PXA26X_GPIO;
#elif defined(CONFIG_PXA25x)
		count = 84;
		gpio_type = PXA26X_GPIO;
#endif /* CONFIG_CPU_PXA26x */
	} else if (cpu_is_pxa27x()) {
		count = 120;
		gpio_type = PXA27X_GPIO;
	} else if (cpu_is_pxa93x() || cpu_is_pxa95x()) {
		count = 191;
		gpio_type = PXA93X_GPIO;
	} else if (cpu_is_pxa3xx()) {
		count = 127;
		gpio_type = PXA3XX_GPIO;
	}
#endif /* CONFIG_ARCH_PXA */

#ifdef CONFIG_ARCH_MMP
	if (cpu_is_pxa168() || cpu_is_pxa910()) {
		count = 127;
		gpio_type = MMP_GPIO;
	} else if (cpu_is_mmp2()) {
		count = 191;
		gpio_type = MMP2_GPIO;
	}
#endif /* CONFIG_ARCH_MMP */
	return count;
}

void __init pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn)
{
	struct pxa_gpio_chip *c;
	int gpio, irq;

	pxa_last_gpio = end;
	pxa_last_gpio = pxa_gpio_nums();
	if (!pxa_last_gpio)
		return;

	/* Initialize GPIO chips */
	pxa_init_gpio_chip(end);