diff options
author | Wolfgang Denk <wd@pollux.denx.de> | 2006-05-03 01:24:04 +0200 |
---|---|---|
committer | Wolfgang Denk <wd@pollux.denx.de> | 2006-05-03 01:24:04 +0200 |
commit | 610cf3676ee7376e0a55419626a30414a7b20db2 (patch) | |
tree | 31d7b61fbfd7421441d44d0c47c580c722c69465 /board/bc3450 | |
parent | da4849fb30db9ec2cb1ae0bafa7455b9c4cb87b3 (diff) | |
download | u-boot-imx-610cf3676ee7376e0a55419626a30414a7b20db2.zip u-boot-imx-610cf3676ee7376e0a55419626a30414a7b20db2.tar.gz u-boot-imx-610cf3676ee7376e0a55419626a30414a7b20db2.tar.bz2 |
Coding Style cleanup
Diffstat (limited to 'board/bc3450')
-rw-r--r-- | board/bc3450/bc3450.c | 19 | ||||
-rw-r--r-- | board/bc3450/cmd_bc3450.c | 712 |
2 files changed, 370 insertions, 361 deletions
diff --git a/board/bc3450/bc3450.c b/board/bc3450/bc3450.c index a030b82..0d86518 100644 --- a/board/bc3450/bc3450.c +++ b/board/bc3450/bc3450.c @@ -1,6 +1,4 @@ /* - * -- Version 1.1 -- - * * (C) Copyright 2003-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * @@ -13,9 +11,6 @@ * (C) Copyright 2006 * Stefan Strobl, GERSYS GmbH, stefan.strobl@gersys.de * - * History: - * 1.1 - improved SM501 init to meet spec timing - * * See file CREDITS for list of people who contributed to this * project. * @@ -51,7 +46,7 @@ #ifdef CONFIG_RTC_MPC5200 #include <rtc.h> -#endif +#endif #ifdef CONFIG_PS2MULT void ps2mult_early_init(void); @@ -375,7 +370,7 @@ ulong post_word_load (void) int board_early_init_r (void) { #ifdef CONFIG_RTC_MPC5200 - struct rtc_time t; + struct rtc_time t; /* set to Wed Dec 31 19:00:00 1969 */ t.tm_sec = t.tm_min = 0; @@ -384,7 +379,7 @@ int board_early_init_r (void) t.tm_mon = 12; t.tm_year = 1969; t.tm_wday = 3; - + rtc_set(&t); #endif /* CONFIG_RTC_MPC5200 */ @@ -482,7 +477,7 @@ int last_stage_init (void) } else { puts ("VGA: SMI501 (Voyager) with 8 MB\n"); } - /* restore origianl FB content */ + /* restore origianl FB content */ if (restore) { *(volatile u16 *)CFG_CS1_START = save; __asm__ volatile ("sync"); @@ -493,8 +488,8 @@ int last_stage_init (void) #ifdef CONFIG_VIDEO_SM501 -#define DISPLAY_WIDTH 640 -#define DISPLAY_HEIGHT 480 +#define DISPLAY_WIDTH 640 +#define DISPLAY_HEIGHT 480 #ifdef CONFIG_VIDEO_SM501_8BPP #error CONFIG_VIDEO_SM501_8BPP not supported. @@ -633,7 +628,7 @@ unsigned int board_video_init (void) } else { ret = SM501_MMIO_BASE; } - + if (restore) { *(volatile u16 *)CFG_CS1_START = save; __asm__ volatile ("sync"); diff --git a/board/bc3450/cmd_bc3450.c b/board/bc3450/cmd_bc3450.c index 1442b68..6bbe4e6 100644 --- a/board/bc3450/cmd_bc3450.c +++ b/board/bc3450/cmd_bc3450.c @@ -27,7 +27,7 @@ #include <common.h> #include <command.h> -/* +/* * BC3450 specific commands */ #if (CONFIG_COMMANDS & CFG_CMD_BSP) @@ -39,7 +39,7 @@ # define dprintf(fmt,args...) #endif -/* +/* * Definitions for DS1620 chip */ #define THERM_START_CONVERT 0xee @@ -57,8 +57,8 @@ #define CFG_STANDALONE 0 struct therm { - int hi; - int lo; + int hi; + int lo; }; /* @@ -124,36 +124,46 @@ struct therm { * Yet, the initialisation sequence is executed only the first * time the function is called. */ -int sm501_gpio_init(void) +int sm501_gpio_init (void) { - static int init_done = 0; + static int init_done = 0; - if(init_done) { + if (init_done) { /* dprintf("sm501_gpio_init: nothing to be done.\n"); */ - return 1; - } - - /* enable SM501 GPIO control (in both power modes) */ - *(vu_long *) (SM501_MMIO_BASE + SM501_POWER_MODE0_GATE) |= POWER_MODE_GATE_GPIO_PWM_I2C; - *(vu_long *) (SM501_MMIO_BASE + SM501_POWER_MODE1_GATE) |= POWER_MODE_GATE_GPIO_PWM_I2C; - - /* set up default O/Ps */ - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= ~(DS1620_RES | DS1620_CLK); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_DQ; - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= ~(FP_DATA_TRI); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) |= (BUZZER | PWR_OFF); - - /* configure directions for SM501 GPIO pins */ - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_CTRL_LOW) &= ~(0xFF << 24); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_CTRL_HIGH) &= ~(0x3F << 14); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) &= ~(DIP | DS1620_DQ); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) |= (DS1620_RES | DS1620_CLK); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_HIGH) &= ~DS1620_TLOW; - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_HIGH) |= (PWR_OFF | BUZZER | FP_DATA_TRI); - - init_done = 1; + return 1; + } + + /* enable SM501 GPIO control (in both power modes) */ + *(vu_long *) (SM501_MMIO_BASE + SM501_POWER_MODE0_GATE) |= + POWER_MODE_GATE_GPIO_PWM_I2C; + *(vu_long *) (SM501_MMIO_BASE + SM501_POWER_MODE1_GATE) |= + POWER_MODE_GATE_GPIO_PWM_I2C; + + /* set up default O/Ps */ + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= + ~(DS1620_RES | DS1620_CLK); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_DQ; + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= + ~(FP_DATA_TRI); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) |= + (BUZZER | PWR_OFF); + + /* configure directions for SM501 GPIO pins */ + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_CTRL_LOW) &= ~(0xFF << 24); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_CTRL_HIGH) &= + ~(0x3F << 14); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) &= + ~(DIP | DS1620_DQ); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) |= + (DS1620_RES | DS1620_CLK); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_HIGH) &= + ~DS1620_TLOW; + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_HIGH) |= + (PWR_OFF | BUZZER | FP_DATA_TRI); + + init_done = 1; /* dprintf("sm501_gpio_init: done.\n"); */ - return 0; + return 0; } @@ -163,347 +173,358 @@ int sm501_gpio_init(void) * read and prints the dip switch * and/or external config inputs (4bits) 0...0x0F */ -int cmd_dip (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int cmd_dip (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - vu_long rc = 0; + vu_long rc = 0; - sm501_gpio_init(); + sm501_gpio_init (); - /* read dip switch */ - rc = *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW); - rc = ~rc; - rc &= DIP; - rc = (int)(rc >> 24); + /* read dip switch */ + rc = *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW); + rc = ~rc; + rc &= DIP; + rc = (int) (rc >> 24); - /* plausibility check */ - if (rc > 0x0F) - return -1; + /* plausibility check */ + if (rc > 0x0F) + return -1; - printf ("0x%x\n", rc); - return 0; + printf ("0x%x\n", rc); + return 0; } -U_BOOT_CMD( - dip , 1, 1, cmd_dip, - "dip - read dip switch and config inputs\n", - "\n" - " - prints the state of the dip switch and/or\n" - " external configuration inputs as hex value.\n" - " - \"Config 1\" is the LSB\n" - ); +U_BOOT_CMD (dip, 1, 1, cmd_dip, + "dip - read dip switch and config inputs\n", + "\n" + " - prints the state of the dip switch and/or\n" + " external configuration inputs as hex value.\n" + " - \"Config 1\" is the LSB\n"); /* * buz - turns Buzzer on/off */ #ifdef CONFIG_BC3450_BUZZER -static int cmd_buz (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +static int cmd_buz (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - if (argc != 2) { - printf ("Usage:\nspecify one argument: \"on\" or \"off\"\n"); - return 1; - } + if (argc != 2) { + printf ("Usage:\nspecify one argument: \"on\" or \"off\"\n"); + return 1; + } - sm501_gpio_init(); + sm501_gpio_init (); - if (strncmp (argv[1], "on", 2) == 0) { - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= ~(BUZZER); - return 0; - } - else if (strncmp (argv[1], "off", 3) == 0) { - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) |= BUZZER; - return 0; - } - printf ("Usage:\nspecify one argument: \"on\" or \"off\"\n"); - return 1; + if (strncmp (argv[1], "on", 2) == 0) { + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= + ~(BUZZER); + return 0; + } else if (strncmp (argv[1], "off", 3) == 0) { + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) |= + BUZZER; + return 0; + } + printf ("Usage:\nspecify one argument: \"on\" or \"off\"\n"); + return 1; } -U_BOOT_CMD( - buz , 2, 1, cmd_buz, - "buz - turns buzzer on/off\n", - "\n" - "buz <on/off>\n" - " - turns the buzzer on or off\n" - ); +U_BOOT_CMD (buz, 2, 1, cmd_buz, + "buz - turns buzzer on/off\n", + "\n" "buz <on/off>\n" " - turns the buzzer on or off\n"); #endif /* CONFIG_BC3450_BUZZER */ /* * fp - front panel commands */ -static int cmd_fp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +static int cmd_fp (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - sm501_gpio_init(); - - if (strncmp (argv[1], "on", 2) == 0) { - /* turn on VDD first */ - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_VDDEN; - udelay(1000); - /* then put data on */ - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_DATA; - /* wait some time and enable backlight */ - udelay(1000); - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_BIAS; - udelay(1000); - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_FPEN; - return 0; - } - else if (strncmp (argv[1], "off", 3) == 0) { - /* turn off the backlight first */ - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_FPEN; - udelay(1000); - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_BIAS; - udelay(200000); - /* wait some time, then remove data */ - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_DATA; - udelay(1000); - /* and remove VDD last */ - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_VDDEN; - return 0; - } - else if (strncmp (argv[1], "bl", 2) == 0) { - /* turn on/off backlight only */ - if (strncmp (argv[2], "on", 2) == 0) { - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_BIAS; - udelay(1000); - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_FPEN; - return 0; - } - else if (strncmp (argv[2], "off", 3) == 0) { - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_FPEN; - udelay(1000); - *(vu_long *)(SM501_MMIO_BASE + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_BIAS; - return 0; + sm501_gpio_init (); + + if (strncmp (argv[1], "on", 2) == 0) { + /* turn on VDD first */ + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_VDDEN; + udelay (1000); + /* then put data on */ + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_DATA; + /* wait some time and enable backlight */ + udelay (1000); + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_BIAS; + udelay (1000); + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= SM501_PDC_FPEN; + return 0; + } else if (strncmp (argv[1], "off", 3) == 0) { + /* turn off the backlight first */ + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_FPEN; + udelay (1000); + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_BIAS; + udelay (200000); + /* wait some time, then remove data */ + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= ~SM501_PDC_DATA; + udelay (1000); + /* and remove VDD last */ + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= + ~SM501_PDC_VDDEN; + return 0; + } else if (strncmp (argv[1], "bl", 2) == 0) { + /* turn on/off backlight only */ + if (strncmp (argv[2], "on", 2) == 0) { + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= + SM501_PDC_BIAS; + udelay (1000); + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) |= + SM501_PDC_FPEN; + return 0; + } else if (strncmp (argv[2], "off", 3) == 0) { + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= + ~SM501_PDC_FPEN; + udelay (1000); + *(vu_long *) (SM501_MMIO_BASE + + SM501_PANEL_DISPLAY_CONTROL) &= + ~SM501_PDC_BIAS; + return 0; + } } - } #ifdef CONFIG_BC3450_CRT - else if (strncmp (argv[1], "crt", 3) == 0) { - /* enables/disables the crt output (debug only) */ - if(strncmp (argv[2], "on", 2) == 0) { - *(vu_long *)(SM501_MMIO_BASE + SM501_CRT_DISPLAY_CONTROL) |= - (SM501_CDC_TE | SM501_CDC_E); - *(vu_long *)(SM501_MMIO_BASE + SM501_CRT_DISPLAY_CONTROL) &= - ~SM501_CDC_SEL; - return 0; - } - else if (strncmp (argv[2], "off", 3) == 0) { - *(vu_long *)(SM501_MMIO_BASE + SM501_CRT_DISPLAY_CONTROL) &= - ~(SM501_CDC_TE | SM501_CDC_E); - *(vu_long *)(SM501_MMIO_BASE + SM501_CRT_DISPLAY_CONTROL) |= - SM501_CDC_SEL; - return 0; + else if (strncmp (argv[1], "crt", 3) == 0) { + /* enables/disables the crt output (debug only) */ + if (strncmp (argv[2], "on", 2) == 0) { + *(vu_long *) (SM501_MMIO_BASE + + SM501_CRT_DISPLAY_CONTROL) |= + (SM501_CDC_TE | SM501_CDC_E); + *(vu_long *) (SM501_MMIO_BASE + + SM501_CRT_DISPLAY_CONTROL) &= + ~SM501_CDC_SEL; + return 0; + } else if (strncmp (argv[2], "off", 3) == 0) { + *(vu_long *) (SM501_MMIO_BASE + + SM501_CRT_DISPLAY_CONTROL) &= + ~(SM501_CDC_TE | SM501_CDC_E); + *(vu_long *) (SM501_MMIO_BASE + + SM501_CRT_DISPLAY_CONTROL) |= + SM501_CDC_SEL; + return 0; + } } - } #endif /* CONFIG_BC3450_CRT */ - printf("Usage:%s\n", cmdtp->help); - return 1; + printf ("Usage:%s\n", cmdtp->help); + return 1; } -U_BOOT_CMD( - fp , 3, 1, cmd_fp, - "fp - front panes access functions\n", - "\n" - "fp bl <on/off>\n" - " - turns the CCFL backlight of the display on/off\n" - "fp <on/off>\n" - " - turns the whole display on/off\n" +U_BOOT_CMD (fp, 3, 1, cmd_fp, + "fp - front panes access functions\n", + "\n" + "fp bl <on/off>\n" + " - turns the CCFL backlight of the display on/off\n" + "fp <on/off>\n" " - turns the whole display on/off\n" #ifdef CONFIG_BC3450_CRT - "fp crt <on/off>\n" - " - enables/disables the crt output (debug only)\n" + "fp crt <on/off>\n" + " - enables/disables the crt output (debug only)\n" #endif /* CONFIG_BC3450_CRT */ - ); + ); /* * temp - DS1620 thermometer */ /* GERSYS BC3450 specific functions */ -static inline void bc_ds1620_set_clk(int clk) +static inline void bc_ds1620_set_clk (int clk) { - if(clk) - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_CLK; - else - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= ~DS1620_CLK; + if (clk) + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= + DS1620_CLK; + else + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= + ~DS1620_CLK; } -static inline void bc_ds1620_set_data(int dat) +static inline void bc_ds1620_set_data (int dat) { - if(dat) - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_DQ; - else - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= ~DS1620_DQ; + if (dat) + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= + DS1620_DQ; + else + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= + ~DS1620_DQ; } -static inline int bc_ds1620_get_data(void) +static inline int bc_ds1620_get_data (void) { - vu_long rc; - rc = *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW); - rc &= DS1620_DQ; - if(rc != 0) - rc = 1; - return (int)rc; + vu_long rc; + + rc = *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW); + rc &= DS1620_DQ; + if (rc != 0) + rc = 1; + return (int) rc; } -static inline void bc_ds1620_set_data_dir(int dir) +static inline void bc_ds1620_set_data_dir (int dir) { - if(dir) /* in */ - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) &= ~DS1620_DQ; - else /* out */ - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) |= DS1620_DQ; + if (dir) /* in */ + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) &= ~DS1620_DQ; + else /* out */ + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_DIR_LOW) |= DS1620_DQ; } -static inline void bc_ds1620_set_reset(int res) +static inline void bc_ds1620_set_reset (int res) { - if(res) - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_RES; - else - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= ~DS1620_RES; + if (res) + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) |= DS1620_RES; + else + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_LOW) &= ~DS1620_RES; } /* hardware independent functions */ -static void ds1620_send_bits(int nr, int value) +static void ds1620_send_bits (int nr, int value) { - int i; - - for (i = 0; i < nr; i++) { - bc_ds1620_set_data(value & 1); - bc_ds1620_set_clk(0); - udelay(1); - bc_ds1620_set_clk(1); - udelay(1); - - value >>= 1; - } + int i; + + for (i = 0; i < nr; i++) { + bc_ds1620_set_data (value & 1); + bc_ds1620_set_clk (0); + udelay (1); + bc_ds1620_set_clk (1); + udelay (1); + + value >>= 1; + } } -static unsigned int ds1620_recv_bits(int nr) +static unsigned int ds1620_recv_bits (int nr) { - unsigned int value = 0, mask = 1; - int i; + unsigned int value = 0, mask = 1; + int i; - bc_ds1620_set_data(0); + bc_ds1620_set_data (0); - for (i = 0; i < nr; i++) { - bc_ds1620_set_clk(0); - udelay(1); + for (i = 0; i < nr; i++) { + bc_ds1620_set_clk (0); + udelay (1); - if (bc_ds1620_get_data()) - value |= mask; + if (bc_ds1620_get_data ()) + value |= mask; - mask <<= 1; + mask <<= 1; - bc_ds1620_set_clk(1); - udelay(1); - } + bc_ds1620_set_clk (1); + udelay (1); + } - return value; + return value; } -static void ds1620_out(int cmd, int bits, int value) +static void ds1620_out (int cmd, int bits, int value) { - bc_ds1620_set_clk(1); - bc_ds1620_set_data_dir(0); + bc_ds1620_set_clk (1); + bc_ds1620_set_data_dir (0); - bc_ds1620_set_reset(0); - udelay(1); - bc_ds1620_set_reset(1); + bc_ds1620_set_reset (0); + udelay (1); + bc_ds1620_set_reset (1); - udelay(1); + udelay (1); - ds1620_send_bits(8, cmd); - if (bits) - ds1620_send_bits(bits, value); + ds1620_send_bits (8, cmd); + if (bits) + ds1620_send_bits (bits, value); - udelay(1); + udelay (1); - /* go stand alone */ - bc_ds1620_set_data_dir(1); - bc_ds1620_set_reset(0); - bc_ds1620_set_clk(0); + /* go stand alone */ + bc_ds1620_set_data_dir (1); + bc_ds1620_set_reset (0); + bc_ds1620_set_clk (0); - udelay(10000); + udelay (10000); } -static unsigned int ds1620_in(int cmd, int bits) +static unsigned int ds1620_in (int cmd, int bits) { - unsigned int value; + unsigned int value; - bc_ds1620_set_clk(1); - bc_ds1620_set_data_dir(0); + bc_ds1620_set_clk (1); + bc_ds1620_set_data_dir (0); - bc_ds1620_set_reset(0); - udelay(1); - bc_ds1620_set_reset(1); + bc_ds1620_set_reset (0); + udelay (1); + bc_ds1620_set_reset (1); - udelay(1); + udelay (1); - ds1620_send_bits(8, cmd); + ds1620_send_bits (8, cmd); - bc_ds1620_set_data_dir(1); - value = ds1620_recv_bits(bits); + bc_ds1620_set_data_dir (1); + value = ds1620_recv_bits (bits); - /* go stand alone */ - bc_ds1620_set_data_dir(1); - bc_ds1620_set_reset(0); - bc_ds1620_set_clk(0); + /* go stand alone */ + bc_ds1620_set_data_dir (1); + bc_ds1620_set_reset (0); + bc_ds1620_set_clk (0); - return value; + return value; } -static int cvt_9_to_int(unsigned int val) +static int cvt_9_to_int (unsigned int val) { - if (val & 0x100) - val |= 0xfffffe00; + if (val & 0x100) + val |= 0xfffffe00; - return val; + return val; } /* set thermostate thresholds */ -static void ds1620_write_state(struct therm *therm) +static void ds1620_write_state (struct therm *therm) { - ds1620_out(THERM_WRITE_TL, 9, therm->lo); - ds1620_out(THERM_WRITE_TH, 9, therm->hi); - ds1620_out(THERM_START_CONVERT, 0, 0); + ds1620_out (THERM_WRITE_TL, 9, therm->lo); + ds1620_out (THERM_WRITE_TH, 9, therm->hi); + ds1620_out (THERM_START_CONVERT, 0, 0); } -static int cmd_temp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +static int cmd_temp (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { - int i; - struct therm therm; + int i; + struct therm therm; - sm501_gpio_init(); + sm501_gpio_init (); - /* print temperature */ - if (argc == 1) { - i = cvt_9_to_int(ds1620_in(THERM_READ_TEMP, 9)); - printf("%d.%d C\n", i >> 1, i & 1 ? 5 : 0); - return 0; - } - - /* set to default operation */ - if (strncmp (argv[1], "set", 3) == 0) { - if(strncmp (argv[2], "default", 3) == 0) { - therm.hi = +88; - therm.lo = -20; - therm.hi <<= 1; - therm.lo <<= 1; - ds1620_write_state(&therm); - ds1620_out(THERM_WRITE_CONFIG, 8, CFG_STANDALONE); - return 0; + /* print temperature */ + if (argc == 1) { + i = cvt_9_to_int (ds1620_in (THERM_READ_TEMP, 9)); + printf ("%d.%d C\n", i >> 1, i & 1 ? 5 : 0); + return 0; } - } - printf ("Usage:%s\n", cmdtp->help); - return 1; + /* set to default operation */ + if (strncmp (argv[1], "set", 3) == 0) { + if (strncmp (argv[2], "default", 3) == 0) { + therm.hi = +88; + therm.lo = -20; + therm.hi <<= 1; + therm.lo <<= 1; + ds1620_write_state (&therm); + ds1620_out (THERM_WRITE_CONFIG, 8, CFG_STANDALONE); + return 0; + } + } + + printf ("Usage:%s\n", cmdtp->help); + return 1; } -U_BOOT_CMD( - temp , 3, 1, cmd_temp, - "temp - print current temperature\n", - "\n" - "temp\n" - " - print current temperature\n" -); +U_BOOT_CMD (temp, 3, 1, cmd_temp, + "temp - print current temperature\n", + "\n" "temp\n" " - print current temperature\n"); #ifdef CONFIG_BC3450_CAN /* @@ -512,40 +533,40 @@ U_BOOT_CMD( * return 1 on CAN initialization failure * return 0 if no failure */ -int can_init(void) +int can_init (void) { static int init_done = 0; int i; struct mpc5xxx_mscan *can1 = - (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900); + (struct mpc5xxx_mscan *) (CFG_MBAR + 0x0900); struct mpc5xxx_mscan *can2 = - (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980); + (struct mpc5xxx_mscan *) (CFG_MBAR + 0x0980); /* GPIO configuration of the CAN pins is done in BC3450.h */ if (!init_done) { /* init CAN 1 */ can1->canctl1 |= 0x80; /* CAN enable */ - udelay(100); + udelay (100); i = 0; can1->canctl0 |= 0x02; /* sleep mode */ /* wait until sleep mode reached */ while (!(can1->canctl1 & 0x02)) { - udelay(10); - i++; - if (i == 10) { - printf ("%s: CAN1 initialize error, " - "can not enter sleep mode!\n", - __FUNCTION__); - return 1; - } + udelay (10); + i++; + if (i == 10) { + printf ("%s: CAN1 initialize error, " + "can not enter sleep mode!\n", + __FUNCTION__); + return 1; + } } i = 0; can1->canctl0 = 0x01; /* enter init mode */ /* wait until init mode reached */ while (!(can1->canctl1 & 0x01)) { - udelay(10); + udelay (10); i++; if (i == 10) { printf ("%s: CAN1 initialize error, " @@ -577,7 +598,7 @@ int can_init(void) can1->canctl0 &= ~(0x02); /* wait until init and sleep mode left */ while ((can1->canctl1 & 0x01) || (can1->canctl1 & 0x02)) { - udelay(10); + udelay (10); i++; if (i == 10) { printf ("%s: CAN1 initialize error, " @@ -589,13 +610,13 @@ int can_init(void) /* init CAN 2 */ can2->canctl1 |= 0x80; /* CAN enable */ - udelay(100); + udelay (100); i = 0; can2->canctl0 |= 0x02; /* sleep mode */ /* wait until sleep mode reached */ - while (!(can2->canctl1 & 0x02)) { - udelay(10); + while (!(can2->canctl1 & 0x02)) { + udelay (10); i++; if (i == 10) { printf ("%s: CAN2 initialize error, " @@ -607,8 +628,8 @@ int can_init(void) i = 0; can2->canctl0 = 0x01; /* enter init mode */ /* wait until init mode reached */ - while (!(can2->canctl1 & 0x01)) { - udelay(10); + while (!(can2->canctl1 & 0x01)) { + udelay (10); i++; if (i == 10) { printf ("%s: CAN2 initialize error, " @@ -640,7 +661,7 @@ int can_init(void) i = 0; /* wait until init mode left */ while ((can2->canctl1 & 0x01) || (can2->canctl1 & 0x02)) { - udelay(10); + udelay (10); i++; if (i == 10) { printf ("%s: CAN2 initialize error, " @@ -661,13 +682,13 @@ int can_init(void) * return 1 on CAN failure * return 0 if no failure */ -int do_can(char *argv[]) +int do_can (char *argv[]) { int i; - struct mpc5xxx_mscan *can1 = - (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900); - struct mpc5xxx_mscan *can2 = - (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980); + struct mpc5xxx_mscan *can1 = + (struct mpc5xxx_mscan *) (CFG_MBAR + 0x0900); + struct mpc5xxx_mscan *can2 = + (struct mpc5xxx_mscan *) (CFG_MBAR + 0x0980); /* send a message on CAN1 */ can1->cantbsel = 0x01; @@ -685,30 +706,27 @@ int do_can(char *argv[]) i++; if (i == 10) { printf ("%s: CAN1 send timeout, " - "can not send message!\n", - __FUNCTION__); + "can not send message!\n", __FUNCTION__); return 1; } - udelay(1000); + udelay (1000); } - udelay(1000); + udelay (1000); i = 0; - while (!(can2->canrflg & 0x01)) { + while (!(can2->canrflg & 0x01)) { i++; if (i == 10) { printf ("%s: CAN2 receive timeout, " - "no message received!\n", - __FUNCTION__); + "no message received!\n", __FUNCTION__); return 1; } - udelay(1000); + udelay (1000); } - + if (can2->canrxfg.dsr[0] != 0xCC) { printf ("%s: CAN2 receive error, " - "data mismatch!\n", - __FUNCTION__); + "data mismatch!\n", __FUNCTION__); return 1; } @@ -728,24 +746,22 @@ int do_can(char *argv[]) i++; if (i == 10) { printf ("%s: CAN2 send error, " - "can not send message!\n", - __FUNCTION__); + "can not send message!\n", __FUNCTION__); return 1; } - udelay(1000); + udelay (1000); } - udelay(1000); + udelay (1000); i = 0; - while (!(can1->canrflg & 0x01)) { + while (!(can1->canrflg & 0x01)) { i++; if (i == 10) { printf ("%s: CAN1 receive timeout, " - "no message received!\n", - __FUNCTION__); + "no message received!\n", __FUNCTION__); return 1; } - udelay(1000); + udelay (1000); } if (can1->canrxfg.dsr[0] != 0xCC) { @@ -761,53 +777,51 @@ int do_can(char *argv[]) /* * test - BC3450 HW test routines */ -int cmd_test(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int cmd_test (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { #ifdef CONFIG_BC3450_CAN - int rcode; - can_init(); + int rcode; + + can_init (); #endif /* CONFIG_BC3450_CAN */ - sm501_gpio_init(); + sm501_gpio_init (); - if (argc != 2) { - printf ("Usage:%s\n", cmdtp->help); - return 1; - } + if (argc != 2) { + printf ("Usage:%s\n", cmdtp->help); + return 1; + } - if (strncmp (argv[1], "unit-off", 8) == 0) { - printf ("waiting 2 seconds...\n"); - udelay(2000000); - *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= ~PWR_OFF; - return 0; - } + if (strncmp (argv[1], "unit-off", 8) == 0) { + printf ("waiting 2 seconds...\n"); + udelay (2000000); + *(vu_long *) (SM501_MMIO_BASE + SM501_GPIO_DATA_HIGH) &= + ~PWR_OFF; + return 0; + } #ifdef CONFIG_BC3450_CAN - else if (strncmp (argv[1], "can", 2) == 0) { - rcode = do_can (argv); - if (simple_strtoul(argv[2], NULL, 10) == 2) { - if (rcode == 0) - printf ("OK\n"); - else - printf ("Error\n"); + else if (strncmp (argv[1], "can", 2) == 0) { + rcode = do_can (argv); + if (simple_strtoul (argv[2], NULL, 10) == 2) { + if (rcode == 0) + printf ("OK\n"); + else + printf ("Error\n"); + } + return rcode; } - return rcode; - } #endif /* CONFIG_BC3450_CAN */ - printf ("Usage:%s\n", cmdtp->help); - return 1; + printf ("Usage:%s\n", cmdtp->help); + return 1; } -U_BOOT_CMD( - test , 2, 1, cmd_test, - "test - unit test routines\n", - "\n" +U_BOOT_CMD (test, 2, 1, cmd_test, "test - unit test routines\n", "\n" #ifdef CONFIG_BC3450_CAN - "test can\n" - " - connect CAN1 (X8) with CAN2 (X9) for this test\n" + "test can\n" + " - connect CAN1 (X8) with CAN2 (X9) for this test\n" #endif /* CONFIG_BC3450_CAN */ - "test unit-off\n" - " - turns off the BC3450 unit\n" - " WARNING: Unsaved environment variables will be lost!\n" - ); + "test unit-off\n" + " - turns off the BC3450 unit\n" + " WARNING: Unsaved environment variables will be lost!\n"); #endif /* CFG_CMD_BSP */ |