Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-25 06:00:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

imx: ventana: Add new memory configuration

Browse source 
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>
This commit is contained in:
Pushpal Sidhu 2015-04-08 12:55:03 -07:00 committed by Stefano Babic
parent 18b3a91a8f
commit 767d88b037
1 changed files with 52 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
board/gateworks/gw_ventana/gw_ventana_spl.c
View file

@ -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))