diff options
Diffstat (limited to 'board/prodrive/alpr/fpga.c')
| -rw-r--r-- | board/prodrive/alpr/fpga.c | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/board/prodrive/alpr/fpga.c b/board/prodrive/alpr/fpga.c index 3666a9a..e7686ad 100644 --- a/board/prodrive/alpr/fpga.c +++ b/board/prodrive/alpr/fpga.c @@ -39,24 +39,24 @@ DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_FPGA) #ifdef FPGA_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) +#define PRINTF(fmt, args...) printf(fmt , ##args) #else -#define PRINTF(fmt,args...) +#define PRINTF(fmt, args...) #endif static unsigned long regval; -#define SET_GPIO_REG_0(reg, bit) { \ +#define SET_GPIO_REG_0(reg, bit) do { \ regval = in32(reg); \ regval &= ~(0x80000000 >> bit); \ out32(reg, regval); \ - } + } while (0) -#define SET_GPIO_REG_1(reg, bit) { \ +#define SET_GPIO_REG_1(reg, bit) do { \ regval = in32(reg); \ regval |= (0x80000000 >> bit); \ out32(reg, regval); \ - } + } while (0) #define SET_GPIO_0(bit) SET_GPIO_REG_0(GPIO0_OR, bit) #define SET_GPIO_1(bit) SET_GPIO_REG_1(GPIO0_OR, bit) @@ -69,19 +69,21 @@ static unsigned long regval; #define SET_FPGA(data) out32(GPIO0_OR, data) -#define FPGA_WRITE_1 { \ - SET_FPGA(OLD_VAL | 0 | FPGA_DATA); /* set data to 1 */ \ - SET_FPGA(OLD_VAL | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ +#define FPGA_WRITE_1 do { \ + SET_FPGA(OLD_VAL | 0 | FPGA_DATA); /* set data to 1 */ \ + SET_FPGA(OLD_VAL | FPGA_CLK | FPGA_DATA); /* set data to 1 */ \ +} while (0) -#define FPGA_WRITE_0 { \ - SET_FPGA(OLD_VAL | 0 | 0 ); /* set data to 0 */ \ - SET_FPGA(OLD_VAL | FPGA_CLK | 0 );} /* set data to 1 */ +#define FPGA_WRITE_0 do { \ + SET_FPGA(OLD_VAL | 0 | 0); /* set data to 0 */ \ + SET_FPGA(OLD_VAL | FPGA_CLK | 0); /* set data to 1 */ \ +} while (0) /* Plattforminitializations */ /* Here we have to set the FPGA Chain */ /* PROGRAM_PROG_EN = HIGH */ /* PROGRAM_SEL_DPR = LOW */ -int fpga_pre_fn (int cookie) +int fpga_pre_fn(int cookie) { unsigned long reg; @@ -128,23 +130,23 @@ int fpga_pre_fn (int cookie) } /* Set the state of CONFIG Pin */ -int fpga_config_fn (int assert_config, int flush, int cookie) +int fpga_config_fn(int assert_config, int flush, int cookie) { - if (assert_config) { + if (assert_config) SET_GPIO_1(CONFIG_SYS_GPIO_CONFIG); - } else { + else SET_GPIO_0(CONFIG_SYS_GPIO_CONFIG); - } + return FPGA_SUCCESS; } /* Returns the state of STATUS Pin */ -int fpga_status_fn (int cookie) +int fpga_status_fn(int cookie) { unsigned long reg; reg = in32(GPIO0_IR); - if (reg &= (0x80000000 >> CONFIG_SYS_GPIO_STATUS)) { + if (reg & (0x80000000 >> CONFIG_SYS_GPIO_STATUS)) { PRINTF("STATUS = HIGH\n"); return FPGA_FAIL; } @@ -153,11 +155,11 @@ int fpga_status_fn (int cookie) } /* Returns the state of CONF_DONE Pin */ -int fpga_done_fn (int cookie) +int fpga_done_fn(int cookie) { unsigned long reg; reg = in32(GPIO0_IR); - if (reg &= (0x80000000 >> CONFIG_SYS_GPIO_CON_DON)) { + if (reg & (0x80000000 >> CONFIG_SYS_GPIO_CON_DON)) { PRINTF("CONF_DON = HIGH\n"); return FPGA_FAIL; } @@ -168,11 +170,11 @@ int fpga_done_fn (int cookie) /* writes the complete buffer to the FPGA writing the complete buffer in one function is much faster, then calling it for every bit */ -int fpga_write_fn (const void *buf, size_t len, int flush, int cookie) +int fpga_write_fn(const void *buf, size_t len, int flush, int cookie) { size_t bytecount = 0; unsigned char *data = (unsigned char *) buf; - unsigned char val=0; + unsigned char val = 0; int i; int len_40 = len / 40; @@ -180,20 +182,20 @@ int fpga_write_fn (const void *buf, size_t len, int flush, int cookie) val = data[bytecount++]; i = 8; do { - if (val & 0x01) { + if (val & 0x01) FPGA_WRITE_1; - } else { + else FPGA_WRITE_0; - } + val >>= 1; - i --; + i--; } while (i > 0); #ifdef CONFIG_SYS_FPGA_PROG_FEEDBACK if (bytecount % len_40 == 0) { - putc ('.'); /* let them know we are alive */ + putc('.'); /* let them know we are alive */ #ifdef CONFIG_SYS_FPGA_CHECK_CTRLC - if (ctrlc ()) + if (ctrlc()) return FPGA_FAIL; #endif } @@ -203,16 +205,16 @@ int fpga_write_fn (const void *buf, size_t len, int flush, int cookie) } /* called, when programming is aborted */ -int fpga_abort_fn (int cookie) +int fpga_abort_fn(int cookie) { SET_GPIO_1((CONFIG_SYS_GPIO_SEL_DPR)); return FPGA_SUCCESS; } /* called, when programming was succesful */ -int fpga_post_fn (int cookie) +int fpga_post_fn(int cookie) { - return fpga_abort_fn (cookie); + return fpga_abort_fn(cookie); } /* Note that these are pointers to code that is in Flash. They will be @@ -240,16 +242,16 @@ Altera_desc fpga[CONFIG_FPGA_COUNT] = { /* * Initialize the fpga. Return 1 on success, 0 on failure. */ -int alpr_fpga_init (void) +int alpr_fpga_init(void) { int i; - PRINTF ("%s:%d: Initialize FPGA interface\n", __FUNCTION__, __LINE__); - fpga_init (); + PRINTF("%s:%d: Initialize FPGA interface\n", __func__, __LINE__); + fpga_init(); for (i = 0; i < CONFIG_FPGA_COUNT; i++) { - PRINTF ("%s:%d: Adding fpga %d\n", __FUNCTION__, __LINE__, i); - fpga_add (fpga_altera, &fpga[i]); + PRINTF("%s:%d: Adding fpga %d\n", __func__, __LINE__, i); + fpga_add(fpga_altera, &fpga[i]); } return 1; } |