ram: rockchip: Add rv1126 ddr4 support
Add support for ddr4 on rv1126. Timing detection files are imported
from downstream Rockchip BSP u-boot. Allow selecting ddr4 ram with
define CONFIG_RAM_ROCKCHIP_DDR4.
Signed-off-by: Tim Lunn <tim@feathertop.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/ram/rockchip/sdram-rv1126-ddr4-detect-784.inc b/drivers/ram/rockchip/sdram-rv1126-ddr4-detect-784.inc
new file mode 100644
index 0000000..ef2e934
--- /dev/null
+++ b/drivers/ram/rockchip/sdram-rv1126-ddr4-detect-784.inc
@@ -0,0 +1,75 @@
+{
+ {
+ {
+ .rank = 0x1,
+ .col = 0xA,
+ .bk = 0x2,
+ .bw = 0x1,
+ .dbw = 0x0,
+ .row_3_4 = 0x0,
+ .cs0_row = 0x11,
+ .cs1_row = 0x0,
+ .cs0_high16bit_row = 0x11,
+ .cs1_high16bit_row = 0x0,
+ .ddrconfig = 0
+ },
+ {
+ {0x50160d14},
+ {0x0e020502},
+ {0x00000002},
+ {0x00001111},
+ {0x0000000c},
+ {0x0000033a},
+ 0x000000ff
+ }
+ },
+ {
+ .ddr_freq = 784, /* clock rate(MHz) */
+ .dramtype = DDR4,
+ .num_channels = 1,
+ .stride = 0,
+ .odt = 1
+ },
+ {
+ {
+ {0x00000000, 0x43041010}, /* MSTR */
+ {0x00000064, 0x005f008a}, /* RFSHTMG */
+ {0x000000d0, 0x000200c1}, /* INIT0 */
+ {0x000000d4, 0x004e0000}, /* INIT1 */
+ {0x000000d8, 0x00000100}, /* INIT2 */
+ {0x000000dc, 0x03140401}, /* INIT3 */
+ {0x000000e0, 0x00000000}, /* INIT4 */
+ {0x000000e4, 0x00110000}, /* INIT5 */
+ {0x000000e8, 0x00000420}, /* INIT6 */
+ {0x000000ec, 0x00000400}, /* INIT7 */
+ {0x000000f4, 0x000f011f}, /* RANKCTL */
+ {0x00000100, 0x0c0e1a0e}, /* DRAMTMG0 */
+ {0x00000104, 0x00030314}, /* DRAMTMG1 */
+ {0x00000108, 0x0506050b}, /* DRAMTMG2 */
+ {0x0000010c, 0x0040400c}, /* DRAMTMG3 */
+ {0x00000110, 0x06030307}, /* DRAMTMG4 */
+ {0x00000114, 0x04040302}, /* DRAMTMG5 */
+ {0x00000120, 0x06060b06}, /* DRAMTMG8 */
+ {0x00000124, 0x00020308}, /* DRAMTMG9 */
+ {0x00000180, 0x01000040}, /* ZQCTL0 */
+ {0x00000184, 0x00000000}, /* ZQCTL1 */
+ {0x00000190, 0x07040003}, /* DFITMG0 */
+ {0x00000198, 0x07000101}, /* DFILPCFG0 */
+ {0x000001a0, 0xc0400003}, /* DFIUPD0 */
+ {0x00000240, 0x0600060c}, /* ODTCFG */
+ {0x00000244, 0x00000201}, /* ODTMAP */
+ {0x00000250, 0x00001f00}, /* SCHED */
+ {0x00000490, 0x00000001}, /* PCTRL_0 */
+ {0xffffffff, 0xffffffff}
+ }
+ },
+ {
+ {
+ {0x00000004, 0x0000008c}, /* PHYREG01 */
+ {0x00000014, 0x0000000c}, /* PHYREG05 */
+ {0x00000018, 0x00000000}, /* PHYREG06 */
+ {0x0000001c, 0x00000009}, /* PHYREG07 */
+ {0xffffffff, 0xffffffff}
+ }
+ }
+},