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authorPeng Fan <peng.fan@nxp.com>2016-01-29 10:06:34 +0800
committerfang hui <hui.fang@freescale.com>2016-03-16 13:48:18 +0800
commit82435d0aed5e6af0b0bdacb2bc51412f0bd51c6f (patch)
tree0c503cd96576552b2f92473cedac412911724be3 /board/freescale/mx7dsabresd
parent95aa43905d6c7dcd8b5402844ae737236af32a95 (diff)
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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')
-rw-r--r--board/freescale/mx7dsabresd/imximage.cfg7
-rw-r--r--board/freescale/mx7dsabresd/plugin.S27
2 files changed, 26 insertions, 8 deletions
diff --git a/board/freescale/mx7dsabresd/imximage.cfg b/board/freescale/mx7dsabresd/imximage.cfg
index 2ffc838..db4c939 100644
--- a/board/freescale/mx7dsabresd/imximage.cfg
+++ b/board/freescale/mx7dsabresd/imximage.cfg
@@ -50,8 +50,11 @@ CSF CONFIG_CSF_SIZE
* value value to be stored in the register
*/
-DATA 4 0x3038a080 0x15000000
-DATA 4 0x30389880 0x01000000
+DATA 4 0x30360070 0x00703021
+DATA 4 0x30360090 0x0
+DATA 4 0x30360070 0x00603021
+CHECK_BITS_SET 4 0x30360070 0x80000000
+DATA 4 0x30389880 0x1
DATA 4 0x30340004 0x4F400005
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