Index: target/linux/ar7/files/include/asm-mips/ar7/ar7.h =================================================================== --- target/linux/ar7/files/include/asm-mips/ar7/ar7.h (revision 12620) +++ target/linux/ar7/files/include/asm-mips/ar7/ar7.h (working copy) @@ -58,10 +58,23 @@ #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 @@ -86,14 +99,22 @@ 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; } static inline int ar7_cpu_freq(void) Index: target/linux/ar7/files/include/asm-mips/ar7/gpio.h =================================================================== --- target/linux/ar7/files/include/asm-mips/ar7/gpio.h (revision 12620) +++ target/linux/ar7/files/include/asm-mips/ar7/gpio.h (working copy) @@ -19,14 +19,18 @@ #ifndef __AR7_GPIO_H__ #define __AR7_GPIO_H__ #include +#ifndef __AR7_TITAN_H__ +#include +#endif #define AR7_GPIO_MAX 32 +#define TITAN_GPIO_MAX 51 extern int gpio_request(unsigned gpio, const char *label); extern void gpio_free(unsigned gpio); /* Common GPIO layer */ -static inline int gpio_get_value(unsigned gpio) +static inline int gpio_get_value_ar7(unsigned gpio) { void __iomem *gpio_in = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT); @@ -34,8 +38,24 @@ return readl(gpio_in) & (1 << gpio); } -static inline void gpio_set_value(unsigned gpio, int value) +static inline int gpio_get_value_titan(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 inline int gpio_get_value(unsigned gpio) +{ + return ar7_is_titan() ? gpio_get_value_titan(gpio) : + gpio_get_value_ar7(gpio); +} + +static inline void gpio_set_value_ar7(unsigned gpio, int value) +{ void __iomem *gpio_out = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT); unsigned tmp; @@ -46,8 +66,30 @@ writel(tmp, gpio_out); } -static inline int gpio_direction_input(unsigned gpio) +static inline void gpio_set_value_titan(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 inline void gpio_set_value(unsigned gpio, int value) +{ + if (ar7_is_titan()) + gpio_set_value_titan(gpio, value); + else + gpio_set_value_ar7(gpio, value); +} + +static inline int gpio_direction_input_ar7(unsigned gpio) +{ void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); @@ -59,8 +101,30 @@ return 0; } -static inline int gpio_direction_output(unsigned gpio, int value) +static inline int gpio_direction_input_titan(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 inline int gpio_direction_input(unsigned gpio) +{ + return ar7_is_titan() ? gpio_direction_input_titan(gpio) : + gpio_direction_input_ar7(gpio); +} + +static inline int gpio_direction_output_ar7(unsigned gpio, int value) +{ void __iomem *gpio_dir = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR); @@ -73,6 +137,29 @@ return 0; } +static inline int gpio_direction_output_titan(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; + + gpio_set_value_titan(gpio, value); + writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 << + (gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0); + + return 0; +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return ar7_is_titan() ? gpio_direction_output_titan(gpio, value) : + gpio_direction_output_ar7(gpio, value); +} + static inline int gpio_to_irq(unsigned gpio) { return -EINVAL; @@ -84,7 +171,7 @@ } /* Board specific GPIO functions */ -static inline int ar7_gpio_enable(unsigned gpio) +static inline int ar7_gpio_enable_ar7(unsigned gpio) { void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); @@ -94,8 +181,27 @@ return 0; } -static inline int ar7_gpio_disable(unsigned gpio) +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; +} + +static inline int ar7_gpio_enable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_enable_titan(gpio) : + ar7_gpio_enable_ar7(gpio); +} + +static inline int ar7_gpio_disable_ar7(unsigned gpio) +{ void __iomem *gpio_en = (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE); @@ -104,6 +210,60 @@ 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; +} + +static inline int ar7_gpio_disable(unsigned gpio) +{ + return ar7_is_titan() ? ar7_gpio_disable_titan(gpio) : + ar7_gpio_disable_ar7(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 #endif Index: target/linux/ar7/files/include/asm-mips/ar7/titan.h =================================================================== --- target/linux/ar7/files/include/asm-mips/ar7/titan.h (revision 0) +++ target/linux/ar7/files/include/asm-mips/ar7/titan.h (revision 0) @@ -0,0 +1,179 @@ +/* + * Copyright (C) 2008 Stanley Pinchak + * + * 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__ + +#ifndef __AR7_GPIO_H__ +#include +#endif + +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 + Index: target/linux/ar7/files/arch/mips/ar7/gpio.c =================================================================== --- target/linux/ar7/files/arch/mips/ar7/gpio.c (revision 12620) +++ target/linux/ar7/files/arch/mips/ar7/gpio.c (working copy) @@ -21,11 +21,11 @@ #include -static const char *ar7_gpio_list[AR7_GPIO_MAX]; +static const char *ar7_gpio_list[TITAN_GPIO_MAX]; int gpio_request(unsigned gpio, const char *label) { - if (gpio >= AR7_GPIO_MAX) + if (gpio >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) return -EINVAL; if (ar7_gpio_list[gpio]) Index: target/linux/ar7/files/arch/mips/ar7/setup.c =================================================================== --- target/linux/ar7/files/arch/mips/ar7/setup.c (revision 12620) +++ target/linux/ar7/files/arch/mips/ar7/setup.c (working copy) @@ -23,8 +23,10 @@ #include #include #include +#include #include +static int titan_variant; /*hold the results of the gpio_init_titan_variant() so that it is only called once*/ #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24) /* TODO remove when 2.6.24 is stable */ extern void ar7_time_init(void); #endif @@ -62,6 +64,18 @@ return "TI AR7 (TNETD7100)"; case AR7_CHIP_7200: return "TI AR7 (TNETD7200)"; + case AR7_CHIP_TITAN: + titan_variant = ar7_init_titan_variant(); + switch ((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)"; } Index: target/linux/ar7/files/arch/mips/ar7/platform.c =================================================================== --- target/linux/ar7/files/arch/mips/ar7/platform.c (revision 12620) +++ target/linux/ar7/files/arch/mips/ar7/platform.c (working copy) @@ -231,6 +231,19 @@ .gpio_bit = 19, }; +static struct plat_vlynq_data vlynq_low_data_titan = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 20, + .gpio_bit = 7, +}; + +static struct plat_vlynq_data vlynq_high_data_titan = { + .ops.on = vlynq_on, + .ops.off = vlynq_off, + .reset_bit = 16, +}; + static struct platform_device physmap_flash = { .id = 0, .name = "physmap-flash", @@ -280,7 +293,23 @@ .num_resources = ARRAY_SIZE(vlynq_high_res), }; +static struct platform_device vlynq_low_titan = { + .id = 0, + .name = "vlynq", + .dev.platform_data = &vlynq_low_data_titan, + .resource = vlynq_low_res, + .num_resources = ARRAY_SIZE(vlynq_low_res), +}; +static struct platform_device vlynq_high_titan = { + .id = 1, + .name = "vlynq", + .dev.platform_data = &vlynq_high_data_titan, + .resource = vlynq_high_res, + .num_resources = ARRAY_SIZE(vlynq_high_res), +}; + + /* This is proper way to define uart ports, but they are then detected * as xscale and, obviously, don't work... */ @@ -324,6 +353,9 @@ { .name = "status", .gpio = 8, .active_low = 1, }, }; +static struct gpio_led titan_leds[] = { +}; + static struct gpio_led dsl502t_leds[] = { { .name = "status", .gpio = 9, .active_low = 1, }, { .name = "ethernet", .gpio = 7, .active_low = 1, }, @@ -493,14 +525,18 @@ if (res) return 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) return 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) return res; } Index: target/linux/ar7/files/drivers/char/ar7_gpio.c =================================================================== --- target/linux/ar7/files/drivers/char/ar7_gpio.c (revision 12620) +++ target/linux/ar7/files/drivers/char/ar7_gpio.c (working copy) @@ -98,7 +98,7 @@ { int m = iminor(inode); - if (m >= AR7_GPIO_MAX) + if (m >= (ar7_is_titan() ? TITAN_GPIO_MAX : AR7_GPIO_MAX)) return -EINVAL; return nonseekable_open(inode, file);