diff options
Diffstat (limited to 'target/linux/ar7/files')
| -rw-r--r-- | target/linux/ar7/files/arch/mips/ar7/gpio.c | 4 | ||||
| -rw-r--r-- | target/linux/ar7/files/arch/mips/ar7/setup.c | 14 | ||||
| -rw-r--r-- | target/linux/ar7/files/drivers/char/ar7_gpio.c | 2 | ||||
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/ar7.h | 32 | ||||
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/gpio.h | 172 | ||||
| -rw-r--r-- | target/linux/ar7/files/include/asm-mips/ar7/titan.h | 178 |
6 files changed, 391 insertions, 11 deletions
diff --git a/target/linux/ar7/files/arch/mips/ar7/gpio.c b/target/linux/ar7/files/arch/mips/ar7/gpio.c index 207d270934..56860f46d5 100644 --- a/target/linux/ar7/files/arch/mips/ar7/gpio.c +++ b/target/linux/ar7/files/arch/mips/ar7/gpio.c @@ -21,11 +21,11 @@ #include <asm/ar7/gpio.h> -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]) diff --git a/target/linux/ar7/files/arch/mips/ar7/setup.c b/target/linux/ar7/files/arch/mips/ar7/setup.c index 58e1528570..35b7b8d77e 100644 --- a/target/linux/ar7/files/arch/mips/ar7/setup.c +++ b/target/linux/ar7/files/arch/mips/ar7/setup.c @@ -23,8 +23,10 @@ #include <asm/reboot.h> #include <asm/time.h> #include <asm/ar7/ar7.h> +#include <asm/ar7/gpio.h> #include <asm/ar7/prom.h> +static int titan_variant; /*hold the results of the gpio_init_titan_variant() so that it is only called once*/ static void ar7_machine_restart(char *command); static void ar7_machine_halt(void); static void ar7_machine_power_off(void); @@ -59,6 +61,18 @@ const char *get_system_type(void) return "TI AR7 (TNETD7100)"; case AR7_CHIP_7200: return "TI AR7 (TNETD7200)"; + 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)"; } diff --git a/target/linux/ar7/files/drivers/char/ar7_gpio.c b/target/linux/ar7/files/drivers/char/ar7_gpio.c index 16460cdd5e..6b38bbd89f 100644 --- a/target/linux/ar7/files/drivers/char/ar7_gpio.c +++ b/target/linux/ar7/files/drivers/char/ar7_gpio.c @@ -98,7 +98,7 @@ static int ar7_gpio_open(struct inode *inode, struct file *file) { 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); diff --git a/target/linux/ar7/files/include/asm-mips/ar7/ar7.h b/target/linux/ar7/files/include/asm-mips/ar7/ar7.h index d972e09ef6..19b5289fdd 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/ar7.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/ar7.h @@ -44,6 +44,11 @@ #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_PEREPHERIAL 0x0 #define AR7_RESET_SOFTWARE 0x4 #define AR7_RESET_STATUS 0x8 @@ -53,15 +58,30 @@ #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 @@ -86,14 +106,22 @@ 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; } static inline int ar7_cpu_freq(void) diff --git a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h index 36cc68896e..fde93bc7c0 100644 --- a/target/linux/ar7/files/include/asm-mips/ar7/gpio.h +++ b/target/linux/ar7/files/include/asm-mips/ar7/gpio.h @@ -19,14 +19,18 @@ #ifndef __AR7_GPIO_H__ #define __AR7_GPIO_H__ #include <asm/ar7/ar7.h> +#ifndef __AR7_TITAN_H__ +#include <asm/ar7/titan.h> +#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); @@ -34,7 +38,23 @@ static inline int gpio_get_value(unsigned gpio) 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); @@ -46,7 +66,29 @@ static inline void gpio_set_value(unsigned gpio, int value) 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); @@ -59,7 +101,29 @@ static inline int gpio_direction_input(unsigned gpio) 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 @@ static inline int gpio_direction_output(unsigned gpio, int value) 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 @@ static inline int irq_to_gpio(unsigned irq) } /* 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); @@ -94,7 +181,26 @@ static inline int ar7_gpio_enable(unsigned gpio) 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 @@ static inline 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; +} + +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 <asm-generic/gpio.h> #endif diff --git a/target/linux/ar7/files/include/asm-mips/ar7/titan.h b/target/linux/ar7/files/include/asm-mips/ar7/titan.h new file mode 100644 index 0000000000..0c2a51fdef --- /dev/null +++ b/target/linux/ar7/files/include/asm-mips/ar7/titan.h @@ -0,0 +1,178 @@ +/* + * 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__ + +#ifndef __AR7_GPIO_H__ +#include <asm/ar7/gpio.h> +#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 |