* calibration - these are the various CPU/DDR3 combinations we support
*/
+static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = {
+ /* write leveling calibration determine */
+ .p0_mpwldectrl0 = 0x001B0016,
+ .p0_mpwldectrl1 = 0x000C000E,
+ /* Read DQS Gating calibration */
+ .p0_mpdgctrl0 = 0x4324033A,
+ .p0_mpdgctrl1 = 0x00000000,
+ /* Read Calibration: DQS delay relative to DQ read access */
+ .p0_mprddlctl = 0x40403438,
+ /* Write Calibration: DQ/DM delay relative to DQS write access */
+ .p0_mpwrdlctl = 0x40403D36,
+};
+
+static struct mx6_mmdc_calibration mx6sdl_256x16_mmdc_calib = {
+ /* write leveling calibration determine */
+ .p0_mpwldectrl0 = 0x00420043,
+ .p0_mpwldectrl1 = 0x0016001A,
+ /* Read DQS Gating calibration */
+ .p0_mpdgctrl0 = 0x4238023B,
+ .p0_mpdgctrl1 = 0x00000000,
+ /* Read Calibration: DQS delay relative to DQ read access */
+ .p0_mprddlctl = 0x40404849,
+ /* Write Calibration: DQ/DM delay relative to DQS write access */
+ .p0_mpwrdlctl = 0x40402E2F,
+};
+
static struct mx6_mmdc_calibration mx6dq_128x32_mmdc_calib = {
/* write leveling calibration determine */
.p0_mpwldectrl0 = 0x00190017,
* mx6_ddr_sysinfo - board-specific memory architecture (width/cs/etc)
* mx6_ddr_cfg - chip specific timing/layout details
*/
- if (width == 32 && size_mb == 512) {
+ 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_128x32_mmdc_calib;
+ else
+ calib = &mx6sdl_128x32_mmdc_calib;
+ debug("2gB density\n");
+ } else if (width == 16 && size_mb == 512) {
+ mem = &mt41k256m16ha_125;
+ if (is_cpu_type(MXC_CPU_MX6Q))
+ calib = &mx6dq_256x16_mmdc_calib;
+ else
+ calib = &mx6sdl_256x16_mmdc_calib;
+ debug("4gB density\n");
+ } else if (width == 32 && size_mb == 512) {
mem = &mt41k128m16jt_125;
if (is_cpu_type(MXC_CPU_MX6Q))
calib = &mx6dq_128x32_mmdc_calib;