[U-Boot] [PATCH 1/3] Add support for the MT41K128M16JT125K memory modules

Martyn Welch martyn.welch at collabora.com
Thu Feb 21 10:13:41 UTC 2019


From: Sjoerd Simons <sjoerd.simons at collabora.co.uk>

Add configuration for the MT41K128M16JT125K memory modules as used on the
Bosch Guardian device.

Based on a patch by:
    Govindaraji Sivanantham <Govindaraji.Sivanantham at in.bosch.com>

Signed-off-by: Sjoerd Simons <sjoerd.simons at collabora.co.uk>
[checkpatch.pl cleanup by Martyn Welch]
Signed-off-by: Martyn Welch <martyn.welch at collabora.com>
---

 arch/arm/include/asm/arch-am33xx/ddr_defs.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
index d8ddecc0bd..15a5b641ff 100644
--- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h
+++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h
@@ -84,6 +84,22 @@
 #define MT41K128MJT187E_PHY_FIFO_WE		0x100
 #define MT41K128MJT187E_IOCTRL_VALUE		0x18B
 
+/* Micron MT41K128M16JT-125 IT:K (256 MB) at 400MHz */
+#define MT41K128M16JT125K_EMIF_READ_LATENCY     0x07
+#define MT41K128M16JT125K_EMIF_TIM1             0x0AAAD4DB
+#define MT41K128M16JT125K_EMIF_TIM2             0x2A437FDA
+#define MT41K128M16JT125K_EMIF_TIM3             0x501F83FF
+#define MT41K128M16JT125K_EMIF_SDCFG            0x61A052B2
+#define MT41K128M16JT125K_EMIF_SDREF            0x00000C30
+#define MT41K128M16JT125K_ZQ_CFG                0x50074BE4
+#define MT41K128M16JT125K_RATIO                 0x80
+#define MT41K128M16JT125K_INVERT_CLKOUT         0x0
+#define MT41K128M16JT125K_RD_DQS                0x38
+#define MT41K128M16JT125K_WR_DQS                0x46
+#define MT41K128M16JT125K_PHY_WR_DATA           0x7D
+#define MT41K128M16JT125K_PHY_FIFO_WE           0x9B
+#define MT41K128M16JT125K_IOCTRL_VALUE          0x18B
+
 /* Micron MT41J64M16JT-125 */
 #define MT41J64MJT125_EMIF_SDCFG		0x61C04A32
 
-- 
2.20.1



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