diff options
Diffstat (limited to 'board/freescale/mx53_smd')
| -rw-r--r-- | board/freescale/mx53_smd/lowlevel_init.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/board/freescale/mx53_smd/lowlevel_init.S b/board/freescale/mx53_smd/lowlevel_init.S index 07af735..8aef8b2 100644 --- a/board/freescale/mx53_smd/lowlevel_init.S +++ b/board/freescale/mx53_smd/lowlevel_init.S @@ -56,8 +56,15 @@ .endm /* init_aips */ .macro setup_pll pll, freq + /* + * If freq < 300MHz, we need to set dpdck0_2_en to 0 + */ + ldr r0, =\freq + ldr r1, =0x12c + cmp r0, r1 + ldrcs r1, =0x00001232 + ldrcc r1, =0x00000232 ldr r0, =\pll - ldr r1, =0x00001232 str r1, [r0, #PLL_DP_CTL] mov r1, #0x2 str r1, [r0, #PLL_DP_CONFIG] @@ -74,7 +81,8 @@ str r1, [r0, #PLL_DP_MFN] str r1, [r0, #PLL_DP_HFS_MFN] - ldr r1, =0x00001232 + ldrcs r1, =0x00001232 + ldrcc r1, =0x00000232 str r1, [r0, #PLL_DP_CTL] 1: ldr r1, [r0, #PLL_DP_CTL] ands r1, r1, #0x1 |