[src/trunk]: src/sys/arch/arm/allwinner PLL2 config for A31

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fbf105d5992b
branches:  trunk
changeset: 332953:fbf105d5992b
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Oct 12 17:19:43 2014 +0000

description:
PLL2 config for A31

diffstat:

 sys/arch/arm/allwinner/awin_board.c |  28 +++++++++++++++++++++-------
 1 files changed, 21 insertions(+), 7 deletions(-)

diffs (49 lines):

diff -r b535adc8acdd -r fbf105d5992b sys/arch/arm/allwinner/awin_board.c
--- a/sys/arch/arm/allwinner/awin_board.c       Sun Oct 12 17:19:12 2014 +0000
+++ b/sys/arch/arm/allwinner/awin_board.c       Sun Oct 12 17:19:43 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: awin_board.c,v 1.22 2014/10/10 23:50:43 jmcneill Exp $ */
+/*     $NetBSD: awin_board.c,v 1.23 2014/10/12 17:19:43 jmcneill Exp $ */
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
  * All rights reserved.
@@ -35,7 +35,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: awin_board.c,v 1.22 2014/10/10 23:50:43 jmcneill Exp $");
+__KERNEL_RCSID(1, "$NetBSD: awin_board.c,v 1.23 2014/10/12 17:19:43 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -360,11 +360,25 @@
            AWIN_CCM_OFFSET + AWIN_PLL2_CFG_REG);
 
        uint32_t ncfg = ocfg;
-       ncfg &= ~(AWIN_PLL2_CFG_PREVDIV|AWIN_PLL2_CFG_FACTOR_N|AWIN_PLL2_CFG_POSTDIV);
-       ncfg |= __SHIFTIN(21, AWIN_PLL2_CFG_PREVDIV);
-       ncfg |= __SHIFTIN(86, AWIN_PLL2_CFG_FACTOR_N);
-       ncfg |= __SHIFTIN(4, AWIN_PLL2_CFG_POSTDIV);
-       ncfg |= AWIN_PLL_CFG_ENABLE;
+
+       if (awin_chip_id() == AWIN_CHIP_ID_A31) {
+               ncfg &= ~(AWIN_A31_PLL2_CFG_PREVDIV_M|
+                         AWIN_A31_PLL2_CFG_FACTOR_N|
+                         AWIN_A31_PLL2_CFG_POSTDIV_P);
+               ncfg |= __SHIFTIN(20, AWIN_A31_PLL2_CFG_PREVDIV_M);
+               ncfg |= __SHIFTIN(85, AWIN_A31_PLL2_CFG_FACTOR_N);
+               ncfg |= __SHIFTIN(3, AWIN_A31_PLL2_CFG_POSTDIV_P);
+               ncfg |= AWIN_PLL_CFG_ENABLE;
+       } else {
+               ncfg &= ~(AWIN_PLL2_CFG_PREVDIV|
+                         AWIN_PLL2_CFG_FACTOR_N|
+                         AWIN_PLL2_CFG_POSTDIV);
+               ncfg |= __SHIFTIN(21, AWIN_PLL2_CFG_PREVDIV);
+               ncfg |= __SHIFTIN(86, AWIN_PLL2_CFG_FACTOR_N);
+               ncfg |= __SHIFTIN(4, AWIN_PLL2_CFG_POSTDIV);
+               ncfg |= AWIN_PLL_CFG_ENABLE;
+       }
+
        if (ncfg != ocfg) {
                bus_space_write_4(bst, bsh,
                    AWIN_CCM_OFFSET + AWIN_PLL2_CFG_REG, ncfg);