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| author | Thomas Chou <thomas@wytron.com.tw> | 2014-08-25 08:50:14 (GMT) |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2014-08-30 09:48:43 (GMT) |
| commit | 8645071006a0b577ae4660f4a271f42c081ef4ab (patch) | |
| tree | 2fc4bd555b665626099489dc77dd2dadaaa11001 /drivers/serial/altera_jtag_uart.c | |
| parent | ef3cc8112c7ac58d621246523e8c84bf6035b53b (diff) | |
| download | u-boot-fsl-qoriq-8645071006a0b577ae4660f4a271f42c081ef4ab.tar.xz | |
nios2: divide nios2-io.h into each specific drivers and remove it
The nios2-io.h defines hardware registers and bits of several FPGA
IP cores. It could be divided in to the specific drivers, including
altera timer, altera sysid, altera uart and altera jtag uart. The
altera pio and altera spi drivers use their own hardware definitions.
The removal of nios2-io.h will help modularity and maintenance.
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Diffstat (limited to 'drivers/serial/altera_jtag_uart.c')
| -rw-r--r-- | drivers/serial/altera_jtag_uart.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/serial/altera_jtag_uart.c b/drivers/serial/altera_jtag_uart.c index 0573c7a..9a81402 100644 --- a/drivers/serial/altera_jtag_uart.c +++ b/drivers/serial/altera_jtag_uart.c @@ -8,10 +8,28 @@ #include <common.h> #include <watchdog.h> #include <asm/io.h> -#include <nios2-io.h> #include <linux/compiler.h> #include <serial.h> +typedef volatile struct { + unsigned data; /* Data register */ + unsigned control; /* Control register */ +} nios_jtag_t; + +/* data register */ +#define NIOS_JTAG_RVALID (1<<15) /* Read valid */ +#define NIOS_JTAG_DATA(d) ((d)&0x0ff) /* Read data */ +#define NIOS_JTAG_RAVAIL(d) ((d)>>16) /* Read space avail */ + +/* control register */ +#define NIOS_JTAG_RE (1 << 0) /* read intr enable */ +#define NIOS_JTAG_WE (1 << 1) /* write intr enable */ +#define NIOS_JTAG_RI (1 << 8) /* read intr pending */ +#define NIOS_JTAG_WI (1 << 9) /* write intr pending*/ +#define NIOS_JTAG_AC (1 << 10) /* activity indicator */ +#define NIOS_JTAG_RRDY (1 << 12) /* read available */ +#define NIOS_JTAG_WSPACE(d) ((d)>>16) /* Write space avail */ + DECLARE_GLOBAL_DATA_PTR; /*------------------------------------------------------------------ |