sun6i: Add gmac support for sun6i boards

[platform/kernel/u-boot.git] / arch / arm / include / asm / arch-sunxi / gpio.h

diff --git a/arch/arm/include/asm/arch-sunxi/gpio.h b/arch/arm/include/asm/arch-sunxi/gpio.h
index 7e2b169..366c0dc 100644 (file)
--- a/arch/arm/include/asm/arch-sunxi/gpio.h
+++ b/arch/arm/include/asm/arch-sunxi/gpio.h
@@ -10,6 +10,7 @@
 #define _SUNXI_GPIO_H
 
 #include <linux/types.h>
+#include <asm/arch/cpu.h>
 
 /*
  * sunxi has 9 banks of gpio, they are:
@@ -27,8 +28,27 @@
 #define SUNXI_GPIO_G   6
 #define SUNXI_GPIO_H   7
 #define SUNXI_GPIO_I   8
+
+/*
+ * This defines the number of GPIO banks for the _main_ GPIO controller.
+ * You should fix up the padding in struct sunxi_gpio_reg below if you
+ * change this.
+ */
 #define SUNXI_GPIO_BANKS 9
 
+/*
+ * sun6i/sun8i and later SoCs have an additional GPIO controller (R_PIO)
+ * at a different register offset.
+ *
+ * sun6i has 2 banks:
+ * PL0 - PL8  | PM0 - PM7
+ *
+ * sun8i has 1 bank:
+ * PL0 - PL11
+ */
+#define SUNXI_GPIO_L   11
+#define SUNXI_GPIO_M   12
+
 struct sunxi_gpio {
        u32 cfg[4];
        u32 dat;
@@ -50,8 +70,9 @@ struct sunxi_gpio_reg {
        struct sunxi_gpio_int gpio_int;
 };
 
-#define BANK_TO_GPIO(bank) \
-       &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]
+#define BANK_TO_GPIO(bank)     (((bank) < SUNXI_GPIO_L) ? \
+       &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank] : \
+       &((struct sunxi_gpio_reg *)SUNXI_R_PIO_BASE)->gpio_bank[(bank) - SUNXI_GPIO_L])
 
 #define GPIO_BANK(pin)         ((pin) >> 5)
 #define GPIO_NUM(pin)          ((pin) & 0x1f)
@@ -75,6 +96,8 @@ struct sunxi_gpio_reg {
 #define SUNXI_GPIO_G_NR                32
 #define SUNXI_GPIO_H_NR                32
 #define SUNXI_GPIO_I_NR                32
+#define SUNXI_GPIO_L_NR                32
+#define SUNXI_GPIO_M_NR                32
 
 #define SUNXI_GPIO_NEXT(__gpio) \
        ((__gpio##_START) + (__gpio##_NR) + 0)
@@ -89,6 +112,8 @@ enum sunxi_gpio_number {
        SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F),
        SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G),
        SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H),
+       SUNXI_GPIO_L_START = 352,
+       SUNXI_GPIO_M_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_L),
 };
 
 /* SUNXI GPIO number definitions */
@@ -101,12 +126,15 @@ enum sunxi_gpio_number {
 #define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr))
 #define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr))
 #define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr))
+#define SUNXI_GPL(_nr) (SUNXI_GPIO_L_START + (_nr))
+#define SUNXI_GPM(_nr) (SUNXI_GPIO_M_START + (_nr))
 
 /* GPIO pin function config */
 #define SUNXI_GPIO_INPUT       0
 #define SUNXI_GPIO_OUTPUT      1
 
 #define SUNXI_GPA0_EMAC                2
+#define SUN6I_GPA0_GMAC                2
 #define SUN7I_GPA0_GMAC                5
 
 #define SUNXI_GPB0_TWI0                2
@@ -128,7 +156,7 @@ enum sunxi_gpio_number {
 
 #define SUNXI_GPF2_SDC0                2
 
-#ifdef CONFIG_SUN8I
+#ifdef CONFIG_MACH_SUN8I
 #define SUNXI_GPF2_UART0_TX    3
 #define SUNXI_GPF4_UART0_RX    3
 #else
@@ -145,12 +173,20 @@ enum sunxi_gpio_number {
 
 #define SUN4I_GPI4_SDC3                2
 
+#define SUNXI_GPL0_R_P2WI_SCK  3
+#define SUNXI_GPL1_R_P2WI_SDA  3
+
+#define SUN8I_GPL2_R_UART_TX   2
+#define SUN8I_GPL3_R_UART_RX   2
+
 /* GPIO pin pull-up/down config */
 #define SUNXI_GPIO_PULL_DISABLE        0
 #define SUNXI_GPIO_PULL_UP     1
 #define SUNXI_GPIO_PULL_DOWN   2
 
-int sunxi_gpio_set_cfgpin(u32 pin, u32 val);
+void sunxi_gpio_set_cfgbank(struct sunxi_gpio *pio, int bank_offset, u32 val);
+void sunxi_gpio_set_cfgpin(u32 pin, u32 val);
+int sunxi_gpio_get_cfgbank(struct sunxi_gpio *pio, int bank_offset);
 int sunxi_gpio_get_cfgpin(u32 pin);
 int sunxi_gpio_set_drv(u32 pin, u32 val);
 int sunxi_gpio_set_pull(u32 pin, u32 val);