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| author | Tim Harvey <tharvey@gateworks.com> | 2016-05-24 11:03:49 -0700 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-05-31 17:24:00 +0200 |
| commit | 6052b1c6f4fadee751dd7c90a4148943f65ab7b0 (patch) | |
| tree | aad2309aa66df0091b99504ead312530025ece1f /board | |
| parent | 1b99103fba8f75337d36701f05bb0f656d2ff729 (diff) | |
| download | u-boot-imx-6052b1c6f4fadee751dd7c90a4148943f65ab7b0.zip u-boot-imx-6052b1c6f4fadee751dd7c90a4148943f65ab7b0.tar.gz u-boot-imx-6052b1c6f4fadee751dd7c90a4148943f65ab7b0.tar.bz2 | |
imx: ventana: SPL: added support for 32bit IMX6DQ 8Gb density DRAM config
Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/gateworks/gw_ventana/gw_ventana_spl.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c index c045d74..e7f699a 100644 --- a/board/gateworks/gw_ventana/gw_ventana_spl.c +++ b/board/gateworks/gw_ventana/gw_ventana_spl.c @@ -190,6 +190,20 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = { .trasmin = 3500, }; +/* MT41K512M16HA-125 (8Gb density) */ +static struct mx6_ddr3_cfg mt41k512m16ha_125 = { + .mem_speed = 1600, + .density = 8, + .width = 16, + .banks = 8, + .rowaddr = 16, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + /* * calibration - these are the various CPU/DDR3 combinations we support */ @@ -341,6 +355,19 @@ static struct mx6_mmdc_calibration mx6dq_256x64_mmdc_calib = { .p1_mpwrdlctl = 0X40304239, }; +static struct mx6_mmdc_calibration mx6dq_512x32_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x002A0025, + .p0_mpwldectrl1 = 0x003A002A, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x43430356, + .p0_mpdgctrl1 = 0x033C0335, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x4B373F42, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x303E3C36, +}; + static void spl_dram_init(int width, int size_mb, int board_model) { struct mx6_ddr3_cfg *mem = NULL; @@ -420,6 +447,11 @@ static void spl_dram_init(int width, int size_mb, int board_model) else calib = &mx6sdl_256x32_mmdc_calib; debug("4gB density\n"); + } else if (width == 32 && size_mb == 2048) { + mem = &mt41k512m16ha_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + calib = &mx6dq_512x32_mmdc_calib; + debug("8gB density\n"); } else if (width == 64 && size_mb == 512) { mem = &mt41k64m16jt_125; debug("1gB density\n"); |