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| author | Peng Fan <peng.fan@nxp.com> | 2016-01-29 10:06:34 +0800 |
|---|---|---|
| committer | guoyin.chen <guoyin.chen@freescale.com> | 2016-03-04 15:53:40 +0800 |
| commit | acbda20bc8466f9262dfacccf43c39495fd467e1 (patch) | |
| tree | 6b96db4575b8861279ad04a38f4582e80948a395 /board/freescale/mx7dsabresd/plugin.S | |
| parent | 99859095c1e466f35dc9a121ab4b0fbb78b2f454 (diff) | |
| download | u-boot-imx-acbda20bc8466f9262dfacccf43c39495fd467e1.zip u-boot-imx-acbda20bc8466f9262dfacccf43c39495fd467e1.tar.gz u-boot-imx-acbda20bc8466f9262dfacccf43c39495fd467e1.tar.bz2 | |
MLK-12346 imx: mx7d: switch to use DRAM_PLL, but not DRAM_ALT_CLK_ROOT
To simplify kernel clock management, we switch to use DRAM_PLL for
DRAM controller and DDR PHY, but not use DRAM_ALT_CLK_ROOT.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'board/freescale/mx7dsabresd/plugin.S')
| -rw-r--r-- | board/freescale/mx7dsabresd/plugin.S | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/board/freescale/mx7dsabresd/plugin.S b/board/freescale/mx7dsabresd/plugin.S index 796716f..5c4bc86 100644 --- a/board/freescale/mx7dsabresd/plugin.S +++ b/board/freescale/mx7dsabresd/plugin.S @@ -45,13 +45,28 @@ TUNE_END: bne FREQ_DEFAULT_533 /* Change to 400Mhz for TO1.1 */ + ldr r0, =ANATOP_BASE_ADDR + ldr r1, =0x70 + ldr r2, =0x00703021 + str r2, [r0, r1] + ldr r1, =0x90 + ldr r2, =0x0 + str r2, [r0, r1] + ldr r1, =0x70 + ldr r2, =0x00603021 + str r2, [r0, r1] + + ldr r3, =0x80000000 +wait_lock: + ldr r2, [r0, r1] + and r2, r3 + cmp r2, r3 + bne wait_lock + ldr r0, =CCM_BASE_ADDR - ldr r1, =0x15000000 - ldr r2, =0xa080 - str r1, [r0, r2] - ldr r1, =0x01000000 - ldr r2, =0x9880 - str r1, [r0, r2] + ldr r1, =0x9880 + ldr r2, =0x1 + str r2, [r0, r1] FREQ_DEFAULT_533: .endm |