@ -1,6 +1,6 @@
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -96,6 +96,20 @@ config AR7
@@ -96,6 +96,19 @@ config AR7
Support for the Texas Instruments AR7 System-on-a-Chip
family: TNETD7100, 7200 and 7300.
@ -14,14 +14,13 @@
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_SUPPORTS_BIG_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select ARCH_REQUIRE_GPIOLIB
+ help
+ Support for AR231x and AR531x based boards
+
config ATH79
bool "Atheros AR71XX/AR724X/AR913X based boards"
select ARCH_REQUIRE_GPIOLIB
@@ -834,6 +848 ,7 @@ config MIPS_PARAVIRT
@@ -834,6 +847 ,7 @@ config MIPS_PARAVIRT
endchoice
@ -354,7 +353,7 @@
+}
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/ath25_platform.h
@@ -0,0 +1,84 @@
@@ -0,0 +1,73 @@
+#ifndef __ASM_MACH_ATH25_PLATFORM_H
+#define __ASM_MACH_ATH25_PLATFORM_H
+
@ -427,17 +426,6 @@
+ const char *radio;
+};
+
+/*
+ * Platform device information for the Ethernet MAC
+ */
+struct ar231x_eth {
+ void (*reset_set)(u32);
+ void (*reset_clear)(u32);
+ u32 reset_mac;
+ u32 reset_phy;
+ char *macaddr;
+};
+
+#endif /* __ASM_MACH_ATH25_PLATFORM_H */
--- /dev/null
+++ b/arch/mips/include/asm/mach-ath25/cpu-feature-overrides.h
@ -640,7 +628,7 @@
+#endif /* __ASM_MACH_ATH25_WAR_H */
--- /dev/null
+++ b/arch/mips/ath25/ar2315_regs.h
@@ -0,0 +1,479 @@
@@ -0,0 +1,471 @@
+/*
+ * Register definitions for AR2315+
+ *
@ -700,9 +688,6 @@
+#define AR2315_PCI_EXT_BASE 0x80000000 /* PCI external */
+#define AR2315_PCI_EXT_SIZE 0x40000000
+
+/* MII registers offset inside Ethernet MMR region */
+#define AR2315_ENET0_MII_BASE (AR2315_ENET0_BASE + 0x14)
+
+/*
+ * Cold reset register
+ */
@ -968,11 +953,6 @@
+#define AR2315_AMBACLK_CLK_DIV_M 0x0000000c
+#define AR2315_AMBACLK_CLK_DIV_S 2
+
+/* GPIO MMR base address */
+#define AR2315_GPIO 0x0088
+
+#define AR2315_RESET_GPIO 5
+
+/*
+ * PCI Clock Control
+ */
@ -1122,7 +1102,7 @@
+#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */
--- /dev/null
+++ b/arch/mips/ath25/ar5312_regs.h
@@ -0,0 +1,229 @@
@@ -0,0 +1,225 @@
+/*
+ * 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
@ -1191,10 +1171,6 @@
+#define AR5312_AR5312_REV7 0x0057 /* AR5312 WMAC (AP30-040) */
+#define AR5312_AR2313_REV8 0x0058 /* AR2313 WMAC (AP43-030) */
+
+/* MII registers offset inside Ethernet MMR region */
+#define AR5312_ENET0_MII_BASE (AR5312_ENET0_BASE + 0x14)
+#define AR5312_ENET1_MII_BASE (AR5312_ENET1_BASE + 0x14)
+
+/* Reset/Timer Block Address Map */
+#define AR5312_TIMER 0x0000 /* countdown timer */
+#define AR5312_RELOAD 0x0004 /* timer reload value */
@ -1354,7 +1330,7 @@
+#endif /* __ASM_MACH_ATH25_AR5312_REGS_H */
--- /dev/null
+++ b/arch/mips/ath25/ar5312.c
@@ -0,0 +1,492 @@
@@ -0,0 +1,401 @@
+/*
+ * 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
@ -1382,8 +1358,6 @@
+#include <linux/bitops.h>
+#include <linux/irqdomain.h>
+#include <linux/reboot.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
@ -1495,10 +1469,6 @@
+
+ if (pending & CAUSEF_IP2)
+ do_IRQ(AR5312_IRQ_WLAN0);
+ else if (pending & CAUSEF_IP3)
+ do_IRQ(AR5312_IRQ_ENET0);
+ else if (pending & CAUSEF_IP4)
+ do_IRQ(AR5312_IRQ_ENET1);
+ else if (pending & CAUSEF_IP5)
+ do_IRQ(AR5312_IRQ_WLAN1);
+ else if (pending & CAUSEF_IP6)
@ -1530,22 +1500,6 @@
+ ar5312_misc_irq_domain = domain;
+}
+
+static void ar5312_device_reset_set(u32 mask)
+{
+ u32 val;
+
+ val = ar5312_rst_reg_read(AR5312_RESET);
+ ar5312_rst_reg_write(AR5312_RESET, val | mask);
+}
+
+static void ar5312_device_reset_clear(u32 mask)
+{
+ u32 val;
+
+ val = ar5312_rst_reg_read(AR5312_RESET);
+ ar5312_rst_reg_write(AR5312_RESET, val & ~mask);
+}
+
+static struct physmap_flash_data ar5312_flash_data = {
+ .width = 2,
+};
@ -1556,20 +1510,6 @@
+ .flags = IORESOURCE_MEM,
+};
+
+static struct ar231x_eth ar5312_eth0_data = {
+ .reset_set = ar5312_device_reset_set,
+ .reset_clear = ar5312_device_reset_clear,
+ .reset_mac = AR5312_RESET_ENET0,
+ .reset_phy = AR5312_RESET_EPHY0,
+};
+
+static struct ar231x_eth ar5312_eth1_data = {
+ .reset_set = ar5312_device_reset_set,
+ .reset_clear = ar5312_device_reset_clear,
+ .reset_mac = AR5312_RESET_ENET1,
+ .reset_phy = AR5312_RESET_EPHY1,
+};
+
+static struct platform_device ar5312_physmap_flash = {
+ .name = "physmap-flash",
+ .id = 0,
@ -1578,23 +1518,6 @@
+ .num_resources = 1,
+};
+
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar5312_leds[] = {
+ { .name = "wlan", .gpio = 0, .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data ar5312_led_data = {
+ .num_leds = ARRAY_SIZE(ar5312_leds),
+ .leds = (void *)ar5312_leds,
+};
+
+static struct platform_device ar5312_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev.platform_data = (void *)&ar5312_led_data,
+};
+#endif
+
+static void __init ar5312_flash_init(void)
+{
+ void __iomem *flashctl_base;
@ -1641,7 +1564,6 @@
+void __init ar5312_init_devices(void)
+{
+ struct ath25_boarddata *config;
+ u8 *c;
+
+ ar5312_flash_init();
+
@ -1663,35 +1585,8 @@
+
+ platform_device_register(&ar5312_physmap_flash);
+
+#ifdef CONFIG_LEDS_GPIO
+ ar5312_leds[0].gpio = config->sys_led_gpio;
+ platform_device_register(&ar5312_gpio_leds);
+#endif
+
+ /* Fix up MAC addresses if necessary */
+ if (is_broadcast_ether_addr(config->enet0_mac))
+ ether_addr_copy(config->enet0_mac, config->enet1_mac);
+
+ /* If ENET0 and ENET1 have the same mac address,
+ * increment the one from ENET1 */
+ if (ether_addr_equal(config->enet0_mac, config->enet1_mac)) {
+ c = config->enet1_mac + 5;
+ while ((c >= config->enet1_mac) && !(++(*c)))
+ c--;
+ }
+
+ switch (ath25_soc) {
+ case ATH25_SOC_AR5312:
+ ar5312_eth0_data.macaddr = config->enet0_mac;
+ ath25_add_ethernet(0, AR5312_ENET0_BASE, "eth0_mii",
+ AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET0,
+ &ar5312_eth0_data);
+
+ ar5312_eth1_data.macaddr = config->enet1_mac;
+ ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth1_mii",
+ AR5312_ENET1_MII_BASE, AR5312_IRQ_ENET1,
+ &ar5312_eth1_data);
+
+ if (!ath25_board.radio)
+ return;
+
@ -1700,18 +1595,8 @@
+
+ ath25_add_wmac(0, AR5312_WLAN0_BASE, AR5312_IRQ_WLAN0);
+ break;
+ /*
+ * AR2312/3 ethernet uses the PHY of ENET0, but the MAC
+ * of ENET1. Atheros calls it 'twisted' for a reason :)
+ */
+ case ATH25_SOC_AR2312:
+ case ATH25_SOC_AR2313:
+ ar5312_eth1_data.reset_phy = ar5312_eth0_data.reset_phy;
+ ar5312_eth1_data.macaddr = config->enet0_mac;
+ ath25_add_ethernet(1, AR5312_ENET1_BASE, "eth0_mii",
+ AR5312_ENET0_MII_BASE, AR5312_IRQ_ENET1,
+ &ar5312_eth1_data);
+
+ if (!ath25_board.radio)
+ return;
+ break;
@ -1849,7 +1734,7 @@
+}
--- /dev/null
+++ b/arch/mips/ath25/ar2315.c
@@ -0,0 +1,438 @@
@@ -0,0 +1,312 @@
+/*
+ * 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
@ -1876,9 +1761,6 @@
+#include <linux/bitops.h>
+#include <linux/irqdomain.h>
+#include <linux/reboot.h>
+#include <linux/delay.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/time.h>
@ -1994,8 +1876,6 @@
+
+ if (pending & CAUSEF_IP3)
+ do_IRQ(AR2315_IRQ_WLAN0);
+ else if (pending & CAUSEF_IP4)
+ do_IRQ(AR2315_IRQ_ENET0);
+ else if (pending & CAUSEF_IP2)
+ do_IRQ(AR2315_IRQ_MISC);
+ else if (pending & CAUSEF_IP7)
@ -2025,131 +1905,10 @@
+ ar2315_misc_irq_domain = domain;
+}
+
+static void ar2315_device_reset_set(u32 mask)
+{
+ u32 val;
+
+ val = ar2315_rst_reg_read(AR2315_RESET);
+ ar2315_rst_reg_write(AR2315_RESET, val | mask);
+}
+
+static void ar2315_device_reset_clear(u32 mask)
+{
+ u32 val;
+
+ val = ar2315_rst_reg_read(AR2315_RESET);
+ ar2315_rst_reg_write(AR2315_RESET, val & ~mask);
+}
+
+static struct ar231x_eth ar2315_eth_data = {
+ .reset_set = ar2315_device_reset_set,
+ .reset_clear = ar2315_device_reset_clear,
+ .reset_mac = AR2315_RESET_ENET0,
+ .reset_phy = AR2315_RESET_EPHY0,
+};
+
+static struct resource ar2315_spiflash_res[] = {
+ {
+ .name = "spiflash_read",
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_SPI_READ_BASE,
+ .end = AR2315_SPI_READ_BASE + AR2315_SPI_READ_SIZE - 1,
+ },
+ {
+ .name = "spiflash_mmr",
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_SPI_MMR_BASE,
+ .end = AR2315_SPI_MMR_BASE + AR2315_SPI_MMR_SIZE - 1,
+ },
+};
+
+static struct platform_device ar2315_spiflash = {
+ .id = 0,
+ .name = "ar2315-spiflash",
+ .resource = ar2315_spiflash_res,
+ .num_resources = ARRAY_SIZE(ar2315_spiflash_res)
+};
+
+static struct resource ar2315_wdt_res[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ .start = AR2315_RST_BASE + AR2315_WDT_TIMER,
+ .end = AR2315_RST_BASE + AR2315_WDT_TIMER + 8 - 1,
+ },
+ {
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device ar2315_wdt = {
+ .id = 0,
+ .name = "ar2315-wdt",
+ .resource = ar2315_wdt_res,
+ .num_resources = ARRAY_SIZE(ar2315_wdt_res)
+};
+
+#ifdef CONFIG_LEDS_GPIO
+static struct gpio_led ar2315_leds[6];
+static struct gpio_led_platform_data ar2315_led_data = {
+ .leds = (void *)ar2315_leds,
+};
+
+static struct platform_device ar2315_gpio_leds = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = (void *)&ar2315_led_data,
+ }
+};
+
+static void __init ar2315_init_gpio_leds(void)
+{
+ static char led_names[6][6];
+ int i, led = 0;
+
+ ar2315_led_data.num_leds = 0;
+ for (i = 1; i < 8; i++) {
+ if ((i == AR2315_RESET_GPIO) ||
+ (i == ath25_board.config->reset_config_gpio))
+ continue;
+
+ if (i == ath25_board.config->sys_led_gpio)
+ strcpy(led_names[led], "wlan");
+ else
+ sprintf(led_names[led], "gpio%d", i);
+
+ ar2315_leds[led].name = led_names[led];
+ ar2315_leds[led].gpio = i;
+ ar2315_leds[led].active_low = 0;
+ led++;
+ }
+ ar2315_led_data.num_leds = led;
+ platform_device_register(&ar2315_gpio_leds);
+}
+#else
+static inline void ar2315_init_gpio_leds(void)
+{
+}
+#endif
+
+void __init ar2315_init_devices(void)
+{
+ /* Find board configuration */
+ ath25_find_config(AR2315_SPI_READ_BASE, AR2315_SPI_READ_SIZE);
+ ar2315_eth_data.macaddr = ath25_board.config->enet0_mac;
+
+ ar2315_init_gpio_leds();
+
+ ar2315_wdt_res[1].start = irq_create_mapping(ar2315_misc_irq_domain,
+ AR2315_MISC_IRQ_WATCHDOG);
+ ar2315_wdt_res[1].end = ar2315_wdt_res[1].start;
+ platform_device_register(&ar2315_wdt);
+
+ platform_device_register(&ar2315_spiflash);
+
+ ath25_add_ethernet(0, AR2315_ENET0_BASE, "eth0_mii",
+ AR2315_ENET0_MII_BASE, AR2315_IRQ_ENET0,
+ &ar2315_eth_data);
+
+ ath25_add_wmac(0, AR2315_WLAN0_BASE, AR2315_IRQ_WLAN0);
+}
@ -2166,8 +1925,8 @@
+ /* Cold reset does not work on the AR2315/6, use the GPIO reset bits
+ * a workaround. Give it some time to attempt a gpio based hardware
+ * reset (atheros reference design workaround) */
+ gpio_request_one(AR2315_RESET_GPIO, GPIOF_OUT_INIT_LOW, "Reset");
+ mdelay(100);
+
+ /* TODO: implement the GPIO reset workaround */
+
+ /* Some boards (e.g. Senao EOC-2610) don't implement the reset logic
+ * workaround. Attempt to jump to the mips reset location -
@ -2368,12 +2127,10 @@
+#endif
--- /dev/null
+++ b/arch/mips/ath25/devices.h
@@ -0,0 +1,45 @@
@@ -0,0 +1,41 @@
+#ifndef __ATH25_DEVICES_H
+#define __ATH25_DEVICES_H
+
+#define AR231X_GPIO_IRQ_BASE 0x30
+
+#define ATH25_REG_MS(_val, _field) (((_val) & _field##_M) >> _field##_S)
+
+#define ATH25_IRQ_CPU_CLOCK (MIPS_CPU_IRQ_BASE + 7) /* C0_CAUSE: 0x8000 */
@ -2398,8 +2155,6 @@
+extern void (*ath25_irq_dispatch)(void);
+
+int ath25_find_config(phys_addr_t offset, unsigned long size);
+int ath25_add_ethernet(int nr, u32 base, const char *mii_name, u32 mii_base,
+ int irq, void *pdata);
+void ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk);
+int ath25_add_wmac(int nr, u32 base, int irq);
+
@ -2416,7 +2171,7 @@
+#endif
--- /dev/null
+++ b/arch/mips/ath25/devices.c
@@ -0,0 +1,191 @@
@@ -0,0 +1,127 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/serial.h>
@ -2433,51 +2188,6 @@
+struct ar231x_board_config ath25_board;
+enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
+
+static struct resource ath25_eth0_res[] = {
+ {
+ .name = "eth0_membase",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "eth0_mii",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "eth0_irq",
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct resource ath25_eth1_res[] = {
+ {
+ .name = "eth1_membase",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "eth1_mii",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "eth1_irq",
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+static struct platform_device ath25_eth[] = {
+ {
+ .id = 0,
+ .name = "ar231x-eth",
+ .resource = ath25_eth0_res,
+ .num_resources = ARRAY_SIZE(ath25_eth0_res)
+ },
+ {
+ .id = 1,
+ .name = "ar231x-eth",
+ .resource = ath25_eth1_res,
+ .num_resources = ARRAY_SIZE(ath25_eth1_res)
+ }
+};
+
+static struct resource ath25_wmac0_res[] = {
+ {
+ .name = "wmac0_membase",
@ -2536,25 +2246,6 @@
+ return soc_type_strings[ath25_soc];
+}
+
+int __init ath25_add_ethernet(int nr, u32 base, const char *mii_name,
+ u32 mii_base, int irq, void *pdata)
+{
+ struct resource *res;
+
+ ath25_eth[nr].dev.platform_data = pdata;
+ res = &ath25_eth[nr].resource[0];
+ res->start = base;
+ res->end = base + 0x2000 - 1;
+ res++;
+ res->name = mii_name;
+ res->start = mii_base;
+ res->end = mii_base + 8 - 1;
+ res++;
+ res->start = irq;
+ res->end = irq;
+ return platform_device_register(&ath25_eth[nr]);
+}
+
+void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
+{
+ struct uart_port s;
Felix Fietkau
9 years ago