[U-Boot] [PATCH 25/34] imx: ventana: remove 128x16 calibration (share with 128x32)
Tim Harvey
tharvey at gateworks.com
Wed Apr 8 21:54:55 CEST 2015
The calibration data for dual 2Gb density chips can be used for a single 2Gb
density chip.
Signed-off-by: Tim Harvey <tharvey at gateworks.com>
---
board/gateworks/gw_ventana/gw_ventana_spl.c | 27 +++------------------------
1 file changed, 3 insertions(+), 24 deletions(-)
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c
index baa2c6e..b839b89 100644
--- a/board/gateworks/gw_ventana/gw_ventana_spl.c
+++ b/board/gateworks/gw_ventana/gw_ventana_spl.c
@@ -220,17 +220,6 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = {
* calibration - these are the various CPU/DDR3 combinations we support
*/
-static struct mx6_mmdc_calibration mx6dq_128x16_mmdc_calib = {
- /* write leveling calibration determine */
- .p0_mpwldectrl0 = 0x00190017,
- /* Read DQS Gating calibration */
- .p0_mpdgctrl0 = 0x43380347,
- /* Read Calibration: DQS delay relative to DQ read access */
- .p0_mprddlctl = 0x3C313539,
- /* Write Calibration: DQ/DM delay relative to DQS write access */
- .p0_mpwrdlctl = 0x36393C39,
-};
-
static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = {
/* write leveling calibration determine */
.p0_mpwldectrl0 = 0x001B0016,
@@ -244,17 +233,6 @@ static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = {
.p0_mpwrdlctl = 0x40403D36,
};
-static struct mx6_mmdc_calibration mx6sdl_128x16_mmdc_calib = {
- /* write leveling calibration determine */
- .p0_mpwldectrl0 = 0x00190017,
- /* Read DQS Gating calibration */
- .p0_mpdgctrl0 = 0x43380347,
- /* Read Calibration: DQS delay relative to DQ read access */
- .p0_mprddlctl = 0x3C313539,
- /* Write Calibration: DQ/DM delay relative to DQS write access */
- .p0_mpwrdlctl = 0x36393C39,
-};
-
static struct mx6_mmdc_calibration mx6sdl_256x16_mmdc_calib = {
/* write leveling calibration determine */
.p0_mpwldectrl0 = 0x00420043,
@@ -412,11 +390,12 @@ static void spl_dram_init(int width, int size_mb, int board_model)
* mx6_ddr_cfg - chip specific timing/layout details
*/
if (width == 16 && size_mb == 256) {
+ /* 1x 2Gb density chip - same calib as 2x 2Gb */
mem = &mt41k128m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
- calib = &mx6dq_128x16_mmdc_calib;
+ calib = &mx6dq_128x32_mmdc_calib;
else
- calib = &mx6sdl_128x16_mmdc_calib;
+ calib = &mx6sdl_128x32_mmdc_calib;
debug("2gB density\n");
} else if (width == 16 && size_mb == 512) {
mem = &mt41k256m16ha_125;
--
1.9.1
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