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Diffstat (limited to 'target/linux/ar7/patches-2.6.35/930-titan-platform.patch')
-rw-r--r--target/linux/ar7/patches-2.6.35/930-titan-platform.patch781
1 files changed, 781 insertions, 0 deletions
diff --git a/target/linux/ar7/patches-2.6.35/930-titan-platform.patch b/target/linux/ar7/patches-2.6.35/930-titan-platform.patch
new file mode 100644
index 0000000000..0afe14fbeb
--- /dev/null
+++ b/target/linux/ar7/patches-2.6.35/930-titan-platform.patch
@@ -0,0 +1,781 @@
+--- a/arch/mips/ar7/platform.c
++++ b/arch/mips/ar7/platform.c
+@@ -154,6 +154,60 @@ static struct resource vlynq_high_res[]
+ },
+ };
+
++static struct resource vlynq_low_res_titan[] = {
++ {
++ .name = "regs",
++ .flags = IORESOURCE_MEM,
++ .start = TITAN_REGS_VLYNQ0,
++ .end = TITAN_REGS_VLYNQ0 + 0xff,
++ },
++ {
++ .name = "irq",
++ .flags = IORESOURCE_IRQ,
++ .start = 33,
++ .end = 33,
++ },
++ {
++ .name = "mem",
++ .flags = IORESOURCE_MEM,
++ .start = 0x0c000000,
++ .end = 0x0fffffff,
++ },
++ {
++ .name = "devirq",
++ .flags = IORESOURCE_IRQ,
++ .start = 80,
++ .end = 111,
++ },
++};
++
++static struct resource vlynq_high_res_titan[] = {
++ {
++ .name = "regs",
++ .flags = IORESOURCE_MEM,
++ .start = TITAN_REGS_VLYNQ1,
++ .end = TITAN_REGS_VLYNQ1 + 0xff,
++ },
++ {
++ .name = "irq",
++ .flags = IORESOURCE_IRQ,
++ .start = 34,
++ .end = 34,
++ },
++ {
++ .name = "mem",
++ .flags = IORESOURCE_MEM,
++ .start = 0x40000000,
++ .end = 0x43ffffff,
++ },
++ {
++ .name = "devirq",
++ .flags = IORESOURCE_IRQ,
++ .start = 112,
++ .end = 143,
++ },
++};
++
+ static struct plat_vlynq_data vlynq_low_data = {
+ .ops = {
+ .on = vlynq_on,
+@@ -192,6 +246,44 @@ static struct platform_device vlynq_high
+ .num_resources = ARRAY_SIZE(vlynq_high_res),
+ };
+
++static struct plat_vlynq_data vlynq_low_data_titan = {
++ .ops = {
++ .on = vlynq_on,
++ .off = vlynq_off,
++ },
++ .reset_bit = 15,
++ .gpio_bit = 14,
++};
++
++static struct plat_vlynq_data vlynq_high_data_titan = {
++ .ops = {
++ .on = vlynq_on,
++ .off = vlynq_off,
++ },
++ .reset_bit = 16,
++ .gpio_bit = 7,
++};
++
++static struct platform_device vlynq_low_titan = {
++ .id = 0,
++ .name = "vlynq",
++ .dev = {
++ .platform_data = &vlynq_low_data_titan,
++ },
++ .resource = vlynq_low_res_titan,
++ .num_resources = ARRAY_SIZE(vlynq_low_res_titan),
++};
++
++static struct platform_device vlynq_high_titan = {
++ .id = 1,
++ .name = "vlynq",
++ .dev = {
++ .platform_data = &vlynq_high_data_titan,
++ },
++ .resource = vlynq_high_res_titan,
++ .num_resources = ARRAY_SIZE(vlynq_high_res_titan),
++};
++
+ /*****************************************************************************
+ * Flash
+ ****************************************************************************/
+@@ -248,6 +340,36 @@ static struct resource cpmac_high_res[]
+ },
+ };
+
++static struct resource cpmac_low_res_titan[] = {
++ {
++ .name = "regs",
++ .flags = IORESOURCE_MEM,
++ .start = TITAN_REGS_MAC0,
++ .end = TITAN_REGS_MAC0 + 0x7ff,
++ },
++ {
++ .name = "irq",
++ .flags = IORESOURCE_IRQ,
++ .start = 27,
++ .end = 27,
++ },
++};
++
++static struct resource cpmac_high_res_titan[] = {
++ {
++ .name = "regs",
++ .flags = IORESOURCE_MEM,
++ .start = TITAN_REGS_MAC1,
++ .end = TITAN_REGS_MAC1 + 0x7ff,
++ },
++ {
++ .name = "irq",
++ .flags = IORESOURCE_IRQ,
++ .start = 41,
++ .end = 41,
++ },
++};
++
+ static struct fixed_phy_status fixed_phy_status __initdata = {
+ .link = 1,
+ .speed = 100,
+@@ -292,6 +414,42 @@ static struct platform_device cpmac_high
+ .num_resources = ARRAY_SIZE(cpmac_high_res),
+ };
+
++static struct plat_cpmac_data cpmac_low_data_titan = {
++ .reset_bit = 17,
++ .power_bit = 20,
++ .phy_mask = 0x40000000,
++};
++
++static struct plat_cpmac_data cpmac_high_data_titan = {
++ .reset_bit = 21,
++ .power_bit = 22,
++ .phy_mask = 0x80000000,
++};
++
++static struct platform_device cpmac_low_titan = {
++ .id = 0,
++ .name = "cpmac",
++ .dev = {
++ .dma_mask = &cpmac_dma_mask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ .platform_data = &cpmac_low_data_titan,
++ },
++ .resource = cpmac_low_res_titan,
++ .num_resources = ARRAY_SIZE(cpmac_low_res_titan),
++};
++
++static struct platform_device cpmac_high_titan = {
++ .id = 1,
++ .name = "cpmac",
++ .dev = {
++ .dma_mask = &cpmac_dma_mask,
++ .coherent_dma_mask = DMA_BIT_MASK(32),
++ .platform_data = &cpmac_high_data_titan,
++ },
++ .resource = cpmac_high_res_titan,
++ .num_resources = ARRAY_SIZE(cpmac_high_res_titan),
++};
++
+ static inline unsigned char char2hex(char h)
+ {
+ switch (h) {
+@@ -369,6 +527,11 @@ static struct gpio_led default_leds[] =
+ },
+ };
+
++static struct gpio_led titan_leds[] = {
++ { .name = "status", .gpio = 8, .active_low = 1, },
++ { .name = "wifi", .gpio = 13, .active_low = 1, },
++};
++
+ static struct gpio_led dsl502t_leds[] = {
+ {
+ .name = "status",
+@@ -507,6 +670,9 @@ static void __init detect_leds(void)
+ } else if (strstr(prid, "DG834")) {
+ ar7_led_data.num_leds = ARRAY_SIZE(dg834g_leds);
+ ar7_led_data.leds = dg834g_leds;
++ } else if (strstr(prid, "CYWM") || strstr(prid, "CYWL")) {
++ ar7_led_data.num_leds = ARRAY_SIZE(titan_leds);
++ ar7_led_data.leds = titan_leds;
+ }
+ }
+
+@@ -586,14 +752,18 @@ static int __init ar7_register_devices(v
+ if (res)
+ pr_warning("unable to register physmap-flash: %d\n", res);
+
+- ar7_device_disable(vlynq_low_data.reset_bit);
+- res = platform_device_register(&vlynq_low);
++ ar7_device_disable(ar7_is_titan() ? vlynq_low_data_titan.reset_bit :
++ vlynq_low_data.reset_bit);
++ res = platform_device_register(ar7_is_titan() ? &vlynq_low_titan :
++ &vlynq_low);
+ if (res)
+ pr_warning("unable to register vlynq-low: %d\n", res);
+
+ if (ar7_has_high_vlynq()) {
+- ar7_device_disable(vlynq_high_data.reset_bit);
+- res = platform_device_register(&vlynq_high);
++ ar7_device_disable(ar7_is_titan() ? vlynq_high_data_titan.reset_bit :
++ vlynq_high_data.reset_bit);
++ res = platform_device_register(ar7_is_titan() ? &vlynq_high_titan :
++ &vlynq_high);
+ if (res)
+ pr_warning("unable to register vlynq-high: %d\n", res);
+ }
+--- a/arch/mips/ar7/gpio.c
++++ b/arch/mips/ar7/gpio.c
+@@ -37,6 +37,16 @@ static int ar7_gpio_get_value(struct gpi
+ return readl(gpio_in) & (1 << gpio);
+ }
+
++static int titan_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
++{
++ void __iomem *gpio_in0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0);
++ void __iomem *gpio_in1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_1);
++
++ return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f));
++}
++
+ static void ar7_gpio_set_value(struct gpio_chip *chip,
+ unsigned gpio, int value)
+ {
+@@ -51,6 +61,21 @@ static void ar7_gpio_set_value(struct gp
+ writel(tmp, gpio_out);
+ }
+
++static void titan_gpio_set_value(struct gpio_chip *chip,
++ unsigned gpio, int value)
++{
++ void __iomem *gpio_out0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_0);
++ void __iomem *gpio_out1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_1);
++ unsigned tmp;
++
++ tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f));
++ if (value)
++ tmp |= 1 << (gpio & 0x1f);
++ writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0);
++}
++
+ static int ar7_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+ {
+ struct ar7_gpio_chip *gpch =
+@@ -62,6 +87,21 @@ static int ar7_gpio_direction_input(stru
+ return 0;
+ }
+
++static int titan_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
++{
++ void __iomem *gpio_dir0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0);
++ void __iomem *gpio_dir1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1);
++
++ if (gpio >= TITAN_GPIO_MAX)
++ return -EINVAL;
++
++ writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)),
++ gpio >> 5 ? gpio_dir1 : gpio_dir0);
++ return 0;
++}
++
+ static int ar7_gpio_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+ {
+@@ -75,6 +115,24 @@ static int ar7_gpio_direction_output(str
+ return 0;
+ }
+
++static int titan_gpio_direction_output(struct gpio_chip *chip,
++ unsigned gpio, int value)
++{
++ void __iomem *gpio_dir0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0);
++ void __iomem *gpio_dir1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1);
++
++ if (gpio >= TITAN_GPIO_MAX)
++ return -EINVAL;
++
++ titan_gpio_set_value(chip, gpio, value);
++ writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 <<
++ (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0);
++
++ return 0;
++}
++
+ static struct ar7_gpio_chip ar7_gpio_chip = {
+ .chip = {
+ .label = "ar7-gpio",
+@@ -87,7 +145,19 @@ static struct ar7_gpio_chip ar7_gpio_chi
+ }
+ };
+
+-int ar7_gpio_enable(unsigned gpio)
++static struct ar7_gpio_chip titan_gpio_chip = {
++ .chip = {
++ .label = "titan-gpio",
++ .direction_input = titan_gpio_direction_input,
++ .direction_output = titan_gpio_direction_output,
++ .set = titan_gpio_set_value,
++ .get = titan_gpio_get_value,
++ .base = 0,
++ .ngpio = TITAN_GPIO_MAX,
++ }
++};
++
++static inline int ar7_gpio_enable_ar7(unsigned gpio)
+ {
+ void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE;
+
+@@ -95,9 +165,28 @@ int ar7_gpio_enable(unsigned gpio)
+
+ return 0;
+ }
++
++static inline int ar7_gpio_enable_titan(unsigned gpio)
++{
++ void __iomem *gpio_en0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0);
++ void __iomem *gpio_en1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1);
++
++ writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)),
++ gpio >> 5 ? gpio_en1 : gpio_en0);
++
++ return 0;
++}
++
++int ar7_gpio_enable(unsigned gpio)
++{
++ return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) :
++ ar7_gpio_enable_ar7(gpio);
++}
+ EXPORT_SYMBOL(ar7_gpio_enable);
+
+-int ar7_gpio_disable(unsigned gpio)
++static inline int ar7_gpio_disable_ar7(unsigned gpio)
+ {
+ void __iomem *gpio_en = ar7_gpio_chip.regs + AR7_GPIO_ENABLE;
+
+@@ -105,27 +194,57 @@ int ar7_gpio_disable(unsigned gpio)
+
+ return 0;
+ }
++
++static inline int ar7_gpio_disable_titan(unsigned gpio)
++{
++ void __iomem *gpio_en0 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_0);
++ void __iomem *gpio_en1 =
++ (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENBL_1);
++
++ writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)),
++ gpio >> 5 ? gpio_en1 : gpio_en0);
++
++ return 0;
++}
++
++int ar7_gpio_disable(unsigned gpio)
++{
++ return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) :
++ ar7_gpio_disable_ar7(gpio);
++}
++
+ EXPORT_SYMBOL(ar7_gpio_disable);
+
+ static int __init ar7_gpio_init(void)
+ {
+ int ret;
+
+- ar7_gpio_chip.regs = ioremap_nocache(AR7_REGS_GPIO,
++ if (!ar7_is_titan()) {
++ ar7_gpio_chip.regs = ioremap_nocache(AR7_REGS_GPIO,
+ AR7_REGS_GPIO + 0x10);
+
+- if (!ar7_gpio_chip.regs) {
+- printk(KERN_ERR "ar7-gpio: failed to ioremap regs\n");
+- return -ENOMEM;
+- }
+-
+- ret = gpiochip_add(&ar7_gpio_chip.chip);
+- if (ret) {
+- printk(KERN_ERR "ar7-gpio: failed to add gpiochip\n");
+- return ret;
++ if (!ar7_gpio_chip.regs) {
++ printk(KERN_ERR "ar7-gpio: failed to ioremap regs\n");
++ return -ENOMEM;
++ }
++
++ ret = gpiochip_add(&ar7_gpio_chip.chip);
++ if (ret) {
++ printk(KERN_ERR "ar7-gpio: failed to add gpiochip\n");
++ return ret;
++ }
++ printk(KERN_INFO "ar7-gpio: registered %d GPIOs\n",
++ ar7_gpio_chip.chip.ngpio);
++ } else {
++ ret = gpiochip_add(&titan_gpio_chip.chip);
++ if (ret) {
++ printk(KERN_ERR "titan-gpio: failed to add gpiochip\n");
++ return ret;
++ }
++ printk(KERN_INFO "titan-gpio: registered %d GPIOs\n",
++ titan_gpio_chip.chip.ngpio);
+ }
+- printk(KERN_INFO "ar7-gpio: registered %d GPIOs\n",
+- ar7_gpio_chip.chip.ngpio);
+ return ret;
+ }
+ arch_initcall(ar7_gpio_init);
+--- a/arch/mips/ar7/setup.c
++++ b/arch/mips/ar7/setup.c
+@@ -23,6 +23,9 @@
+ #include <asm/reboot.h>
+ #include <asm/mach-ar7/ar7.h>
+ #include <asm/mach-ar7/prom.h>
++#include <asm/mach-ar7/gpio.h>
++
++static int titan_variant;
+
+ static void ar7_machine_restart(char *command)
+ {
+@@ -56,6 +59,18 @@ const char *get_system_type(void)
+ return "TI AR7 (TNETD7200)";
+ case AR7_CHIP_7300:
+ return "TI AR7 (TNETD7300)";
++ case AR7_CHIP_TITAN:
++ titan_variant = ar7_init_titan_variant();
++ switch (titan_variant /*(gpio_get_value_titan(1) >> 12) & 0xf*/) {
++ case TITAN_CHIP_1050:
++ return "TI AR7 (TNETV1050)";
++ case TITAN_CHIP_1055:
++ return "TI AR7 (TNETV1055)";
++ case TITAN_CHIP_1056:
++ return "TI AR7 (TNETV1056)";
++ case TITAN_CHIP_1060:
++ return "TI AR7 (TNETV1060)";
++ }
+ default:
+ return "TI AR7 (unknown)";
+ }
+--- a/arch/mips/include/asm/mach-ar7/ar7.h
++++ b/arch/mips/include/asm/mach-ar7/ar7.h
+@@ -50,6 +50,11 @@
+ #define UR8_REGS_WDT (AR7_REGS_BASE + 0x0b00)
+ #define UR8_REGS_UART1 (AR7_REGS_BASE + 0x0f00)
+
++#define TITAN_REGS_MAC0 (0x08640000)
++#define TITAN_REGS_MAC1 (TITAN_REGS_MAC0 + 0x0800)
++#define TITAN_REGS_VLYNQ0 (AR7_REGS_BASE + 0x1c00)
++#define TITAN_REGS_VLYNQ1 (AR7_REGS_BASE + 0x1300)
++
+ #define AR7_RESET_PERIPHERAL 0x0
+ #define AR7_RESET_SOFTWARE 0x4
+ #define AR7_RESET_STATUS 0x8
+@@ -59,15 +64,30 @@
+ #define AR7_RESET_BIT_MDIO 22
+ #define AR7_RESET_BIT_EPHY 26
+
++#define TITAN_RESET_BIT_EPHY1 28
++
+ /* GPIO control registers */
+ #define AR7_GPIO_INPUT 0x0
+ #define AR7_GPIO_OUTPUT 0x4
+ #define AR7_GPIO_DIR 0x8
+ #define AR7_GPIO_ENABLE 0xc
++#define TITAN_GPIO_INPUT_0 0x0
++#define TITAN_GPIO_INPUT_1 0x4
++#define TITAN_GPIO_OUTPUT_0 0x8
++#define TITAN_GPIO_OUTPUT_1 0xc
++#define TITAN_GPIO_DIR_0 0x10
++#define TITAN_GPIO_DIR_1 0x14
++#define TITAN_GPIO_ENBL_0 0x18
++#define TITAN_GPIO_ENBL_1 0x1c
+
+ #define AR7_CHIP_7100 0x18
+ #define AR7_CHIP_7200 0x2b
+ #define AR7_CHIP_7300 0x05
++#define AR7_CHIP_TITAN 0x07
++#define TITAN_CHIP_1050 0x0f
++#define TITAN_CHIP_1055 0x0e
++#define TITAN_CHIP_1056 0x0d
++#define TITAN_CHIP_1060 0x07
+
+ /* Interrupts */
+ #define AR7_IRQ_UART0 15
+@@ -95,14 +115,22 @@ struct plat_dsl_data {
+
+ extern int ar7_cpu_clock, ar7_bus_clock, ar7_dsp_clock;
+
++static inline int ar7_is_titan(void)
++{
++ return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x24)) & 0xffff) ==
++ AR7_CHIP_TITAN;
++}
++
+ static inline u16 ar7_chip_id(void)
+ {
+- return readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff;
++ return ar7_is_titan() ? AR7_CHIP_TITAN : (readl((void *)
++ KSEG1ADDR(AR7_REGS_GPIO + 0x14)) & 0xffff);
+ }
+
+ static inline u8 ar7_chip_rev(void)
+ {
+- return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + 0x14)) >> 16) & 0xff;
++ return (readl((void *)KSEG1ADDR(AR7_REGS_GPIO + (ar7_is_titan() ? 0x24 :
++ 0x14))) >> 16) & 0xff;
+ }
+
+ struct clk {
+--- a/arch/mips/include/asm/mach-ar7/gpio.h
++++ b/arch/mips/include/asm/mach-ar7/gpio.h
+@@ -20,9 +20,13 @@
+ #define __AR7_GPIO_H__
+
+ #include <asm/mach-ar7/ar7.h>
++#ifndef __AR7_TITAN_H__
++#include <asm/mach-ar7/titan.h>
++#endif
+
+ #define AR7_GPIO_MAX 32
+-#define NR_BUILTIN_GPIO AR7_GPIO_MAX
++#define TITAN_GPIO_MAX 51
++#define NR_BUILTIN_GPIO TITAN_GPIO_MAX
+
+ #define gpio_to_irq(gpio) -1
+
+@@ -35,6 +39,41 @@
+ int ar7_gpio_enable(unsigned gpio);
+ int ar7_gpio_disable(unsigned gpio);
+
++static inline int ar7_init_titan_variant(void)
++{
++ /*UINT32 new_val;*/
++ unsigned new_val;
++
++ /* set GPIO 44 - 47 as input */
++ /*PAL_sysGpioCtrl(const int, GPIO_PIN, GPIO_INPUT_PIN); */
++ /*define titan_gpio_ctrl in titan.h*/
++ titan_gpio_ctrl(44, GPIO_PIN, GPIO_INPUT_PIN);
++ titan_gpio_ctrl(45, GPIO_PIN, GPIO_INPUT_PIN);
++ titan_gpio_ctrl(46, GPIO_PIN, GPIO_INPUT_PIN);
++ titan_gpio_ctrl(47, GPIO_PIN, GPIO_INPUT_PIN);
++
++ /* read GPIO to get Titan variant type */
++ /*fix this*/
++ titan_sysGpioInValue( &new_val, 1 );
++
++ new_val >>= 12;
++ new_val &= 0x0f;
++
++ switch ( new_val )
++ {
++ case TITAN_CHIP_1050:
++ case TITAN_CHIP_1055:
++ case TITAN_CHIP_1056:
++ case TITAN_CHIP_1060:
++ return new_val;
++
++ default:
++ break;
++ }
++ /* In case we get an invalid value, return the default Titan chip */
++ return TITAN_CHIP_1050;
++}
++
+ #include <asm-generic/gpio.h>
+
+ #endif
+--- /dev/null
++++ b/arch/mips/include/asm/mach-ar7/titan.h
+@@ -0,0 +1,176 @@
++/*
++ * Copyright (C) 2008 Stanley Pinchak <stanley_dot_pinchak_at_gmail_dot_com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
++ */
++#ifndef __AR7_TITAN_H__
++#define __AR7_TITAN_H__
++
++#include <asm/mach-ar7/gpio.h>
++
++typedef enum TITAN_GPIO_PIN_MODE_tag
++{
++ FUNCTIONAL_PIN = 0,
++ GPIO_PIN = 1
++} TITAN_GPIO_PIN_MODE_T;
++
++typedef enum TITAN_GPIO_PIN_DIRECTION_tag
++{
++ GPIO_OUTPUT_PIN = 0,
++ GPIO_INPUT_PIN = 1
++} TITAN_GPIO_PIN_DIRECTION_T;
++
++/**********************************************************************
++ * GPIO Control
++ **********************************************************************/
++
++typedef struct
++{
++ int pinSelReg;
++ int shift;
++ int func;
++
++} GPIO_CFG;
++
++static GPIO_CFG gptable[]= {
++ /* PIN_SEL_REG, START_BIT, GPIO_CFG_MUX_VALUE */
++ {4,24,1},
++ {4,26,1},
++ {4,28,1},
++ {4,30,1},
++ {5,6,1},
++ {5,8,1},
++ {5,10,1},
++ {5,12,1},
++ {7,14,3},
++ {7,16,3},
++ {7,18,3},
++ {7,20,3},
++ {7,22,3},
++ {7,26,3},
++ {7,28,3},
++ {7,30,3},
++ {8,0,3},
++ {8,2,3},
++ {8,4,3},
++ {8,10,3},
++ {8,14,3},
++ {8,16,3},
++ {8,18,3},
++ {8,20,3},
++ {9,8,3},
++ {9,10,3},
++ {9,12,3},
++ {9,14,3},
++ {9,18,3},
++ {9,20,3},
++ {9,24,3},
++ {9,26,3},
++ {9,28,3},
++ {9,30,3},
++ {10,0,3},
++ {10,2,3},
++ {10,8,3},
++ {10,10,3},
++ {10,12,3},
++ {10,14,3},
++ {13,12,3},
++ {13,14,3},
++ {13,16,3},
++ {13,18,3},
++ {13,24,3},
++ {13,26,3},
++ {13,28,3},
++ {13,30,3},
++ {14,2,3},
++ {14,6,3},
++ {14,8,3},
++ {14,12,3}
++};
++
++typedef struct
++{
++ volatile unsigned int reg[21];
++}
++PIN_SEL_REG_ARRAY_T;
++
++typedef struct
++{
++ unsigned int data_in [2];
++ unsigned int data_out[2];
++ unsigned int dir[2];
++ unsigned int enable[2];
++
++} TITAN_GPIO_CONTROL_T;
++
++#define AVALANCHE_PIN_SEL_BASE 0xA861160C /*replace with KSEG1ADDR()*/
++
++static inline int titan_gpio_ctrl(unsigned int gpio_pin, TITAN_GPIO_PIN_MODE_T pin_mode,
++ TITAN_GPIO_PIN_DIRECTION_T pin_direction)
++{
++ int reg_index = 0;
++ int mux_status;
++ GPIO_CFG gpio_cfg;
++ volatile PIN_SEL_REG_ARRAY_T *pin_sel_array = (PIN_SEL_REG_ARRAY_T*) AVALANCHE_PIN_SEL_BASE;
++ volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0);
++
++ if (gpio_pin > 51 )
++ return(-1);
++
++ gpio_cfg = gptable[gpio_pin];
++ mux_status = (pin_sel_array->reg[gpio_cfg.pinSelReg - 1] >> gpio_cfg.shift) & 0x3;
++ if(!((mux_status == 0 /* tri-stated */ ) || (mux_status == gpio_cfg.func /*GPIO functionality*/)))
++ {
++ return(-1); /* Pin have been configured for non GPIO funcs. */
++ }
++
++ /* Set the pin to be used as GPIO. */
++ pin_sel_array->reg[gpio_cfg.pinSelReg - 1] |= ((gpio_cfg.func & 0x3) << gpio_cfg.shift);
++
++ /* Check whether gpio refers to the first GPIO reg or second. */
++ if(gpio_pin > 31)
++ {
++ reg_index = 1;
++ gpio_pin -= 32;
++ }
++
++ if(pin_mode)
++ gpio_cntl->enable[reg_index] |= (1 << gpio_pin); /* Enable */
++ else
++ gpio_cntl->enable[reg_index] &= ~(1 << gpio_pin);
++
++ if(pin_direction)
++ gpio_cntl->dir[reg_index] |= (1 << gpio_pin); /* Input */
++ else
++ gpio_cntl->dir[reg_index] &= ~(1 << gpio_pin);
++
++ return(0);
++
++}/* end of function titan_gpio_ctrl */
++
++static inline int titan_sysGpioInValue(unsigned int *in_val, unsigned int reg_index)
++{
++ volatile TITAN_GPIO_CONTROL_T *gpio_cntl = (TITAN_GPIO_CONTROL_T*) KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0);
++
++ if(reg_index > 1)
++ return (-1);
++
++ *in_val = gpio_cntl->data_in[reg_index];
++
++ return (0);
++}
++
++
++#endif
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