aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/atheros/patches-3.14/100-board.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/atheros/patches-3.14/100-board.patch')
-rw-r--r--target/linux/atheros/patches-3.14/100-board.patch175
1 files changed, 7 insertions, 168 deletions
diff --git a/target/linux/atheros/patches-3.14/100-board.patch b/target/linux/atheros/patches-3.14/100-board.patch
index 8ffa91caff..32b6dc83f9 100644
--- a/target/linux/atheros/patches-3.14/100-board.patch
+++ b/target/linux/atheros/patches-3.14/100-board.patch
@@ -659,7 +659,7 @@
+#endif /* __ASM_MACH_AR231X_WAR_H */
--- /dev/null
+++ b/arch/mips/include/asm/mach-ar231x/ar2315_regs.h
-@@ -0,0 +1,630 @@
+@@ -0,0 +1,608 @@
+/*
+ * Register definitions for AR2315+
+ *
@@ -1002,32 +1002,10 @@
+#define AMBACLK_CLK_DIV_M 0x0000000c
+#define AMBACLK_CLK_DIV_S 2
+
-+/*
-+ * GPIO
-+ */
-+#define AR2315_GPIO_DI (AR2315_DSLBASE + 0x0088)
-+#define AR2315_GPIO_DO (AR2315_DSLBASE + 0x0090)
-+#define AR2315_GPIO_DIR (AR2315_DSLBASE + 0x0098)
-+#define AR2315_GPIO_INT (AR2315_DSLBASE + 0x00a0)
-+
-+#define AR2315_GPIO_DIR_M(x) (1 << (x)) /* mask for i/o */
-+#define AR2315_GPIO_DIR_O(x) (1 << (x)) /* output */
-+#define AR2315_GPIO_DIR_I(x) (0) /* input */
-+
-+#define AR2315_GPIO_INT_S(x) (x) /* interrupt enable */
-+#define AR2315_GPIO_INT_M (0x3F) /* mask for int */
-+#define AR2315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */
-+#define AR2315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */
-+
-+#define AR2315_GPIO_INT_MAX_Y 1 /* Maximum value of Y for
-+ * AR2315_GPIO_INT_* macros */
-+#define AR2315_GPIO_INT_LVL_OFF 0 /* Triggerring off */
-+#define AR2315_GPIO_INT_LVL_LOW 1 /* Low Level Triggered */
-+#define AR2315_GPIO_INT_LVL_HIGH 2 /* High Level Triggered */
-+#define AR2315_GPIO_INT_LVL_EDGE 3 /* Edge Triggered */
++/* GPIO MMR base address */
++#define AR2315_GPIO (AR2315_DSLBASE + 0x0088)
+
+#define AR2315_RESET_GPIO 5
-+#define AR2315_NUM_GPIO 22
+
+/*
+ * PCI Clock Control
@@ -2009,7 +1987,7 @@
+
--- /dev/null
+++ b/arch/mips/ar231x/ar2315.c
-@@ -0,0 +1,570 @@
+@@ -0,0 +1,431 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
@@ -2049,34 +2027,6 @@
+#include "devices.h"
+#include "ar2315.h"
+
-+static u32 gpiointmask, gpiointval;
-+
-+static void ar2315_gpio_irq_handler(unsigned irq, struct irq_desc *desc)
-+{
-+ u32 pend;
-+ int bit = -1;
-+
-+ /* only do one gpio interrupt at a time */
-+ pend = (ar231x_read_reg(AR2315_GPIO_DI) ^ gpiointval) & gpiointmask;
-+
-+ if (pend) {
-+ bit = fls(pend) - 1;
-+ pend &= ~(1 << bit);
-+ gpiointval ^= (1 << bit);
-+ }
-+
-+ if (!pend)
-+ ar231x_write_reg(AR2315_ISR, AR2315_ISR_GPIO);
-+
-+ /* Enable interrupt with edge detection */
-+ if ((ar231x_read_reg(AR2315_GPIO_DIR) & AR2315_GPIO_DIR_M(bit)) !=
-+ AR2315_GPIO_DIR_I(bit))
-+ return;
-+
-+ if (bit >= 0)
-+ generic_handle_irq(AR231X_GPIO_IRQ_BASE + bit);
-+}
-+
+static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc)
+{
+ unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) &
@@ -2088,9 +2038,10 @@
+ generic_handle_irq(AR2315_MISC_IRQ_TIMER);
+ else if (misc_intr & AR2315_ISR_AHB)
+ generic_handle_irq(AR2315_MISC_IRQ_AHB);
-+ else if (misc_intr & AR2315_ISR_GPIO)
++ else if (misc_intr & AR2315_ISR_GPIO) {
++ ar231x_write_reg(AR2315_ISR, AR2315_ISR_GPIO);
+ generic_handle_irq(AR2315_MISC_IRQ_GPIO);
-+ else if (misc_intr & AR2315_ISR_UART0)
++ } else if (misc_intr & AR2315_ISR_UART0)
+ generic_handle_irq(AR2315_MISC_IRQ_UART0);
+ else if (misc_intr & AR2315_ISR_WD) {
+ ar231x_write_reg(AR2315_ISR, AR2315_ISR_WD);
@@ -2124,44 +2075,6 @@
+ spurious_interrupt();
+}
+
-+static void ar2315_set_gpiointmask(int gpio, int level)
-+{
-+ u32 reg;
-+
-+ reg = ar231x_read_reg(AR2315_GPIO_INT);
-+ reg &= ~(AR2315_GPIO_INT_M | AR2315_GPIO_INT_LVL_M);
-+ reg |= gpio | AR2315_GPIO_INT_LVL(level);
-+ ar231x_write_reg(AR2315_GPIO_INT, reg);
-+}
-+
-+static void ar2315_gpio_irq_unmask(struct irq_data *d)
-+{
-+ unsigned int gpio = d->irq - AR231X_GPIO_IRQ_BASE;
-+
-+ /* Enable interrupt with edge detection */
-+ if ((ar231x_read_reg(AR2315_GPIO_DIR) & AR2315_GPIO_DIR_M(gpio)) !=
-+ AR2315_GPIO_DIR_I(gpio))
-+ return;
-+
-+ gpiointmask |= (1 << gpio);
-+ ar2315_set_gpiointmask(gpio, 3);
-+}
-+
-+static void ar2315_gpio_irq_mask(struct irq_data *d)
-+{
-+ unsigned int gpio = d->irq - AR231X_GPIO_IRQ_BASE;
-+
-+ /* Disable interrupt */
-+ gpiointmask &= ~(1 << gpio);
-+ ar2315_set_gpiointmask(gpio, 0);
-+}
-+
-+static struct irq_chip ar2315_gpio_irq_chip = {
-+ .name = "AR2315-GPIO",
-+ .irq_unmask = ar2315_gpio_irq_unmask,
-+ .irq_mask = ar2315_gpio_irq_mask,
-+};
-+
+static void
+ar2315_misc_irq_unmask(struct irq_data *d)
+{
@@ -2213,75 +2126,16 @@
+ return;
+
+ ar231x_irq_dispatch = ar2315_irq_dispatch;
-+ gpiointval = ar231x_read_reg(AR2315_GPIO_DI);
+ for (i = 0; i < AR2315_MISC_IRQ_COUNT; i++) {
+ int irq = AR231X_MISC_IRQ_BASE + i;
+
+ irq_set_chip_and_handler(irq, &ar2315_misc_irq_chip,
+ handle_level_irq);
+ }
-+ for (i = 0; i < AR2315_NUM_GPIO; i++) {
-+ int irq = AR231X_GPIO_IRQ_BASE + i;
-+
-+ irq_set_chip_and_handler(irq, &ar2315_gpio_irq_chip,
-+ handle_level_irq);
-+ }
-+ irq_set_chained_handler(AR2315_MISC_IRQ_GPIO, ar2315_gpio_irq_handler);
+ setup_irq(AR2315_MISC_IRQ_AHB, &ar2315_ahb_proc_interrupt);
+ irq_set_chained_handler(AR2315_IRQ_MISC_INTRS, ar2315_misc_irq_handler);
+}
+
-+/*
-+ * gpiolib implementation
-+ */
-+static int
-+ar2315_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
-+{
-+ return (ar231x_read_reg(AR2315_GPIO_DI) >> gpio) & 1;
-+}
-+
-+static void
-+ar2315_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
-+{
-+ u32 reg = ar231x_read_reg(AR2315_GPIO_DO);
-+
-+ reg = value ? reg | (1 << gpio) : reg & ~(1 << gpio);
-+ ar231x_write_reg(AR2315_GPIO_DO, reg);
-+}
-+
-+static int
-+ar2315_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
-+{
-+ ar231x_mask_reg(AR2315_GPIO_DIR, 1 << gpio, 0);
-+ return 0;
-+}
-+
-+static int
-+ar2315_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int value)
-+{
-+ ar231x_mask_reg(AR2315_GPIO_DIR, 0, 1 << gpio);
-+ ar2315_gpio_set_value(chip, gpio, value);
-+ return 0;
-+}
-+
-+static int ar2315_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
-+{
-+ return AR231X_GPIO_IRQ_BASE + gpio;
-+}
-+
-+static struct gpio_chip ar2315_gpio_chip = {
-+ .label = "ar2315-gpio",
-+ .direction_input = ar2315_gpio_direction_input,
-+ .direction_output = ar2315_gpio_direction_output,
-+ .set = ar2315_gpio_set_value,
-+ .get = ar2315_gpio_get_value,
-+ .to_irq = ar2315_gpio_to_irq,
-+ .base = 0,
-+ .ngpio = AR2315_NUM_GPIO, /* 22 */
-+};
-+
-+/* end of gpiolib */
-+
+static void ar2315_device_reset_set(u32 mask)
+{
+ u32 val;
@@ -2511,20 +2365,6 @@
+ mips_hpt_frequency = ar2315_cpu_frequency() / 2;
+}
+
-+static int __init
-+ar2315_gpio_init(void)
-+{
-+ int ret = gpiochip_add(&ar2315_gpio_chip);
-+
-+ if (ret) {
-+ pr_err("%s: failed to add gpiochip\n", ar2315_gpio_chip.label);
-+ return ret;
-+ }
-+ pr_info("%s: registered %d GPIOs\n", ar2315_gpio_chip.label,
-+ ar2315_gpio_chip.ngpio);
-+ return ret;
-+}
-+
+void __init
+ar2315_prom_init(void)
+{
@@ -2557,7 +2397,6 @@
+ ar231x_devtype = DEV_TYPE_AR2315;
+ break;
+ }
-+ ar2315_gpio_init();
+ ar231x_board.devid = devid;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-05 05:04:24 +0000