board/freescale/common:QIXIS:Fix magic number usage
authorPrabhakar Kushwaha <prabhakar@freescale.com>
Mon, 17 Sep 2012 17:30:31 +0000 (17:30 +0000)
committerAndy Fleming <afleming@freescale.com>
Mon, 22 Oct 2012 08:04:28 +0000 (03:04 -0500)
QIXIS FPGA layout defines the  address of registers but The actual register bit
implementation is board-specific,

So avoid use of magic numbers as it may vary across different boards's QIXIS
FPGA implementation.
Also, Avoid board specific defines in common/qixis.h

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
board/freescale/common/qixis.c
board/freescale/common/qixis.h

index 6cd7e5108a60da5bef6181bb002c98f39aa4025c..e336b32806ee25ca8fee0f06cb28986312cfaf3e 100644 (file)
@@ -32,22 +32,22 @@ void qixis_write(unsigned int reg, u8 value)
 
 void qixis_reset(void)
 {
-       QIXIS_WRITE(rst_ctl, 0x83);
+       QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET);
 }
 
 void qixis_bank_reset(void)
 {
-       QIXIS_WRITE(rcfg_ctl, 0x20);
-       QIXIS_WRITE(rcfg_ctl, 0x21);
+       QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
+       QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 }
 
-/* Set the boot bank to the power-on default bank0 */
+/* Set the boot bank to the power-on default bank */
 void clear_altbank(void)
 {
        u8 reg;
 
        reg = QIXIS_READ(brdcfg[0]);
-       reg = reg & ~QIXIS_LBMAP_MASK;
+       reg = (reg & ~QIXIS_LBMAP_MASK) | QIXIS_LBMAP_DFLTBANK;
        QIXIS_WRITE(brdcfg[0], reg);
 }
 
@@ -115,7 +115,8 @@ int qixis_reset_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
                for (i = 0; i < ARRAY_SIZE(period); i++) {
                        if (strcmp(argv[2], period[i]) == 0) {
                                /* disable watchdog */
-                               QIXIS_WRITE(rcfg_ctl, rcfg & ~0x08);
+                               QIXIS_WRITE(rcfg_ctl,
+                                       rcfg & ~QIXIS_RCFG_CTL_WATCHDOG_ENBLE);
                                QIXIS_WRITE(watch, ((i<<2) - 1));
                                QIXIS_WRITE(rcfg_ctl, rcfg);
                                return 0;
index 7a0268a02c2b952877449e34414887d23e879884..83a3b693f67adfe31af640f1feca66613a6355e8 100644 (file)
@@ -86,12 +86,6 @@ struct qixis {
        u8 res15[16];
 };
 
-#define QIXIS_BASE             0xffdf0000
-#define QIXIS_LBMAP_SWITCH     7
-#define QIXIS_LBMAP_MASK       0x0f
-#define QIXIS_LBMAP_SHIFT      0
-#define QIXIS_LBMAP_ALTBANK    0x04
-
 u8 qixis_read(unsigned int reg);
 void qixis_write(unsigned int reg, u8 value);