diff options
| -rw-r--r-- | sb600spi.c | 31 |
1 files changed, 15 insertions, 16 deletions
@@ -25,18 +25,19 @@ #include "flash.h" #include "spi.h" -struct sb600_spi_controller { - unsigned int spi_cntrl0; /* 00h */ - unsigned int restrictedcmd1; /* 04h */ - unsigned int restrictedcmd2; /* 08h */ - unsigned int spi_cntrl1; /* 0ch */ - unsigned int spi_cmdvalue0; /* 10h */ - unsigned int spi_cmdvalue1; /* 14h */ - unsigned int spi_cmdvalue2; /* 18h */ - unsigned int spi_fakeid; /* 1Ch */ -}; - -struct sb600_spi_controller *spi_bar = NULL; +/* This struct is unused, but helps visualize the SB600 SPI BAR layout. + *struct sb600_spi_controller { + * unsigned int spi_cntrl0; / * 00h * / + * unsigned int restrictedcmd1; / * 04h * / + * unsigned int restrictedcmd2; / * 08h * / + * unsigned int spi_cntrl1; / * 0ch * / + * unsigned int spi_cmdvalue0; / * 10h * / + * unsigned int spi_cmdvalue1; / * 14h * / + * unsigned int spi_cmdvalue2; / * 18h * / + * unsigned int spi_fakeid; / * 1Ch * / + *}; + */ + uint8_t *sb600_spibar; int sb600_spi_read(struct flashchip *flash, uint8_t *buf, int start, int len) @@ -86,7 +87,7 @@ int sb600_spi_write_1(struct flashchip *flash, uint8_t *buf) return rc; } -void reset_internal_fifo_pointer(void) +static void reset_internal_fifo_pointer(void) { mmio_writeb(mmio_readb(sb600_spibar + 2) | 0x10, sb600_spibar + 2); @@ -94,7 +95,7 @@ void reset_internal_fifo_pointer(void) printf("reset\n"); } -void execute_command(void) +static void execute_command(void) { mmio_writeb(mmio_readb(sb600_spibar + 2) | 1, sb600_spibar + 2); @@ -111,8 +112,6 @@ int sb600_spi_command(unsigned int writecnt, unsigned int readcnt, writecnt--; - spi_bar = (struct sb600_spi_controller *) sb600_spibar; - printf_debug("%s, cmd=%x, writecnt=%x, readcnt=%x\n", __func__, cmd, writecnt, readcnt); |
