From: Pushpal Sidhu psidhu@gateworks.com
Add memory configuration for an IMX6SDL + 1GB density DRAM.
Signed-off-by: Pushpal Sidhu psidhu@gateworks.com Signed-off-by: Tim Harvey tharvey@gateworks.com --- board/gateworks/gw_ventana/gw_ventana_spl.c | 60 +++++++++++++++++++++++++---- 1 file changed, 52 insertions(+), 8 deletions(-)
diff --git a/board/gateworks/gw_ventana/gw_ventana_spl.c b/board/gateworks/gw_ventana/gw_ventana_spl.c index b839b89..e3d4e57 100644 --- a/board/gateworks/gw_ventana/gw_ventana_spl.c +++ b/board/gateworks/gw_ventana/gw_ventana_spl.c @@ -188,6 +188,20 @@ struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = { .grp_b7ds = 0x00000030, };
+/* MT41K64M16JT-125 (1Gb density) */ +static struct mx6_ddr3_cfg mt41k64m16jt_125 = { + .mem_speed = 1600, + .density = 1, + .width = 16, + .banks = 8, + .rowaddr = 13, + .coladdr = 10, + .pagesz = 2, + .trcd = 1375, + .trcmin = 4875, + .trasmin = 3500, +}; + /* MT41K128M16JT-125 (2Gb density) */ static struct mx6_ddr3_cfg mt41k128m16jt_125 = { .mem_speed = 1600, @@ -219,6 +233,18 @@ static struct mx6_ddr3_cfg mt41k256m16ha_125 = { /* * calibration - these are the various CPU/DDR3 combinations we support */ +static struct mx6_mmdc_calibration mx6sdl_64x16_mmdc_calib = { + /* write leveling calibration determine */ + .p0_mpwldectrl0 = 0x004C004E, + .p0_mpwldectrl1 = 0x00440044, + /* Read DQS Gating calibration */ + .p0_mpdgctrl0 = 0x42440247, + .p0_mpdgctrl1 = 0x02310232, + /* Read Calibration: DQS delay relative to DQ read access */ + .p0_mprddlctl = 0x45424746, + /* Write Calibration: DQ/DM delay relative to DQS write access */ + .p0_mpwrdlctl = 0x33382C31, +};
static struct mx6_mmdc_calibration mx6dq_256x16_mmdc_calib = { /* write leveling calibration determine */ @@ -389,7 +415,14 @@ static void spl_dram_init(int width, int size_mb, int board_model) * mx6_ddr_sysinfo - board-specific memory architecture (width/cs/etc) * mx6_ddr_cfg - chip specific timing/layout details */ - if (width == 16 && size_mb == 256) { + if (width == 16 && size_mb == 128) { + mem = &mt41k64m16jt_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + ; + else + calib = &mx6sdl_64x16_mmdc_calib; + debug("1gB density\n"); + } else 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)) @@ -404,6 +437,14 @@ static void spl_dram_init(int width, int size_mb, int board_model) else calib = &mx6sdl_256x16_mmdc_calib; debug("4gB density\n"); + } else if (width == 32 && size_mb == 256) { + /* Same calib as width==16, size==128 */ + mem = &mt41k64m16jt_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + ; + else + calib = &mx6sdl_64x16_mmdc_calib; + debug("1gB density\n"); } else if (width == 32 && size_mb == 512) { mem = &mt41k128m16jt_125; if (is_cpu_type(MXC_CPU_MX6Q)) @@ -411,6 +452,16 @@ static void spl_dram_init(int width, int size_mb, int board_model) else calib = &mx6sdl_128x32_mmdc_calib; debug("2gB density\n"); + } else if (width == 32 && size_mb == 1024) { + mem = &mt41k256m16ha_125; + if (is_cpu_type(MXC_CPU_MX6Q)) + calib = &mx6dq_256x32_mmdc_calib; + else + calib = &mx6sdl_256x32_mmdc_calib; + debug("4gB density\n"); + } else if (width == 64 && size_mb == 512) { + mem = &mt41k64m16jt_125; + debug("1gB density\n"); } else if (width == 64 && size_mb == 1024) { mem = &mt41k128m16jt_125; if (is_cpu_type(MXC_CPU_MX6Q)) @@ -418,13 +469,6 @@ static void spl_dram_init(int width, int size_mb, int board_model) else calib = &mx6sdl_128x64_mmdc_calib; debug("2gB density\n"); - } else if (width == 32 && size_mb == 1024) { - mem = &mt41k256m16ha_125; - if (is_cpu_type(MXC_CPU_MX6Q)) - calib = &mx6dq_256x32_mmdc_calib; - else - calib = &mx6sdl_256x32_mmdc_calib; - debug("4gB density\n"); } else if (width == 64 && size_mb == 2048) { mem = &mt41k256m16ha_125; if (is_cpu_type(MXC_CPU_MX6Q))