diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2013-10-05 12:08:55 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2013-10-05 12:08:55 +0200 |
| commit | ac13ca97df9f8c17d1c89d425041690484ee0fdf (patch) | |
| tree | 46292e698fce7dfb25010ece3efb1fed5eac423d | |
| parent | 7cc8858d690dda461b0e50a3cb2c63aff28ea17b (diff) | |
colibri_vf50: fix boot hang issueColibri_VF50_LinuxImageV2.1Beta1_20131022
Fix long standing boot hang issue introduced by Freescale's Vybrid 1.1
silicon.
https://community.freescale.com/message/336513#336513
Correct Answer
by Ioseph Martinez Pelayo on Jul 17, 2013 5:33 PM
For the record:
DDRMC_CR154 needs to be 0x682C0000
before was: 0x68200000
There was a change from Si 1.0 to 1.1. So this only affects Si 1.1 and
this version requires writing this value to the register.
| -rw-r--r-- | board/toradex/colibri_vf50/colibri_vf50.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/board/toradex/colibri_vf50/colibri_vf50.c b/board/toradex/colibri_vf50/colibri_vf50.c index 599d4091a6b..654cc05988f 100644 --- a/board/toradex/colibri_vf50/colibri_vf50.c +++ b/board/toradex/colibri_vf50/colibri_vf50.c @@ -338,7 +338,8 @@ unsigned long ddr_ctrl_init(void) __raw_writel(0x00000000, DDR_CR136); - __raw_writel(0x68200000, DDR_CR154); + __raw_writel(0x682C0000, DDR_CR154); /* Bit 19–18 DDR_SEL_PAD_Contr + DDR_SEL = 11 (DDR3 mode) */ __raw_writel(0x00000202, DDR_CR155); /* pad_ibe, _sel */ __raw_writel(0x00000006, DDR_CR158); /* twr */ __raw_writel(0x00000006, DDR_CR159); /* todth */ |