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authorjinkun.hong <jinkun.hong@rock-chips.com>2014-09-25 20:27:26 -0700
committerAaron Durbin <adurbin@google.com>2015-04-02 21:16:55 +0200
commit3e9ea16c54dfe9ac593f772e5ba2f020b2e27c99 (patch)
treed3b6dd0d236407be927ce20d8550fa4ea121b88b /src
parentbfdd732b80a56e31d3bbe59de76a6a91b0f5b9e4 (diff)
downloadcoreboot-3e9ea16c54dfe9ac593f772e5ba2f020b2e27c99.tar.xz
coreboot: rk3288: add new ddr config and support ddr3 freq up to 800mhz
Add ddr3-samsung-2GB config and modify 533mhz linit. Support ddr3 freq up to 800mhz. Enable ODT at LPDDR3. BUG=None TEST=Boot Veyron Pinky Original-Change-Id: Ic02a381985796a00644c5c681b96f10ad1558936 Original-Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com> Original-Reviewed-on: https://chromium-review.googlesource.com/220113 Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Original-Tested-by: Lin Huang <hl@rock-chips.com> Original-Commit-Queue: Julius Werner <jwerner@chromium.org> Change-Id: I867753bc5d1eb301eb4975f5a945bfdba9b8f37d (cherry picked from commit e6689cbb0ec50317672c8ebe4e23555ca2f01005) Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/9239 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/veyron_pinky/sdram_configs.c2
-rw-r--r--src/mainboard/google/veyron_pinky/sdram_inf/sdram-ddr3-samsung-2GB.inc78
-rw-r--r--src/soc/rockchip/rk3288/sdram.c37
3 files changed, 105 insertions, 12 deletions
diff --git a/src/mainboard/google/veyron_pinky/sdram_configs.c b/src/mainboard/google/veyron_pinky/sdram_configs.c
index 21a483ce73..cc29de08d2 100644
--- a/src/mainboard/google/veyron_pinky/sdram_configs.c
+++ b/src/mainboard/google/veyron_pinky/sdram_configs.c
@@ -28,7 +28,7 @@ static struct rk3288_sdram_params sdram_configs[] = {
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0001 */
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0010 */
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0011 */
-#include "sdram_inf/sdram-unused.inc" /* ram_code = 0100 */
+#include "sdram_inf/sdram-ddr3-samsung-2GB.inc" /* ram_code = 0100 */
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0101 */
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0110 */
#include "sdram_inf/sdram-unused.inc" /* ram_code = 0111 */
diff --git a/src/mainboard/google/veyron_pinky/sdram_inf/sdram-ddr3-samsung-2GB.inc b/src/mainboard/google/veyron_pinky/sdram_inf/sdram-ddr3-samsung-2GB.inc
new file mode 100644
index 0000000000..3fdbecf6a8
--- /dev/null
+++ b/src/mainboard/google/veyron_pinky/sdram_inf/sdram-ddr3-samsung-2GB.inc
@@ -0,0 +1,78 @@
+{
+ /* two Samsung K4B4G1646D-BYK0 chips */
+ {
+ {
+ .rank = 0x1,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x1,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xF,
+ .cs1_row = 0xF
+ },
+ {
+ .rank = 0x1,
+ .col = 0xA,
+ .bk = 0x3,
+ .bw = 0x2,
+ .dbw = 0x1,
+ .row_3_4 = 0x0,
+ .cs0_row = 0xF,
+ .cs1_row = 0xF
+ }
+ },
+ {
+ .togcnt1u = 0x29A,
+ .tinit = 0xC8,
+ .trsth = 0x1F4,
+ .togcnt100n = 0x42,
+ .trefi = 0x4E,
+ .tmrd = 0x4,
+ .trfc = 0xEA,
+ .trp = 0xA,
+ .trtw = 0x5,
+ .tal = 0x0,
+ .tcl = 0xA,
+ .tcwl = 0x7,
+ .tras = 0x19,
+ .trc = 0x24,
+ .trcd = 0xA,
+ .trrd = 0x7,
+ .trtp = 0x5,
+ .twr = 0xA,
+ .twtr = 0x5,
+ .texsr = 0x200,
+ .txp = 0x5,
+ .txpdll = 0x10,
+ .tzqcs = 0x40,
+ .tzqcsi = 0x0,
+ .tdqs = 0x1,
+ .tcksre = 0x7,
+ .tcksrx = 0x7,
+ .tcke = 0x4,
+ .tmod = 0xC,
+ .trstl = 0x43,
+ .tzqcl = 0x100,
+ .tmrr = 0x0,
+ .tckesr = 0x5,
+ .tdpd = 0x0
+ },
+ {
+ .dtpr0 = 0x48F9AAB4,
+ .dtpr1 = 0xEA0910,
+ .dtpr2 = 0x1002C200,
+ .mr[0] = 0xA60,
+ .mr[1] = 0x40,
+ .mr[2] = 0x10,
+ .mr[3] = 0x0
+ },
+ .noc_timing = 0x30B25564,
+ .noc_activate = 0x627,
+ .ddrconfig = 3,
+ .ddr_freq = 666000000,
+ .dramtype = DDR3,
+ .num_channels = 2,
+ .stride = 9,
+ .odt = 1
+},
diff --git a/src/soc/rockchip/rk3288/sdram.c b/src/soc/rockchip/rk3288/sdram.c
index 7ac84f0c93..6c0c7fd136 100644
--- a/src/soc/rockchip/rk3288/sdram.c
+++ b/src/soc/rockchip/rk3288/sdram.c
@@ -340,12 +340,12 @@ static struct rk3288_msch_regs * const rk3288_msch[2] = {
#define PRT_DLLSRST(n) ((n) << 0)
/* PTR1 */
-#define PRT_DINIT1(n) ((n) << 19)
#define PRT_DINIT0(n) ((n) << 0)
+#define PRT_DINIT1(n) ((n) << 19)
/* PTR2 */
-#define PRT_DINIT3(n) ((n) << 17)
#define PRT_DINIT2(n) ((n) << 0)
+#define PRT_DINIT3(n) ((n) << 17)
/* DCR */
#define DDRMD_LPDDR 0
@@ -442,6 +442,7 @@ static struct rk3288_msch_regs * const rk3288_msch[2] = {
#define DPDE_CMD (9)
#define LPDDR2_MA(n) (((n) & 0xff) << 4)
+#define LPDDR2_OP(n) (((n) & 0xff) << 12)
#define START_CMD (1u << 31)
@@ -620,7 +621,7 @@ static void pctl_cfg(u32 channel,
writel(sdram_params->pctl_timing.tcwl - 1,
&ddr_pctl_regs->dfitphywrlat);
writel(MDDR_LPDDR2_CLK_STOP_IDLE(0) | DDR3_EN
- | DDR2_DDR3_BL_8 | TFAW_CFG(5) | PD_EXIT_SLOW
+ | DDR2_DDR3_BL_8 | TFAW_CFG(6) | PD_EXIT_SLOW
| PD_TYPE(1) | PD_IDLE(0), &ddr_pctl_regs->mcfg);
writel(MSCH_MAINDDR3(channel, 1), &rk3288_grf->soc_con0);
@@ -650,12 +651,19 @@ static void phy_cfg(u32 channel, const struct rk3288_sdram_params *sdram_params)
writel(sdram_params->noc_activate, &msch_regs->activate);
writel(BUSWRTORD(2) | BUSRDTOWR(2) | BUSRDTORD(1),
&msch_regs->devtodev);
- writel(PRT_ITMSRST(8) | PRT_DLLLOCK(2750) | PRT_DLLSRST(27),
- &ddr_publ_regs->ptr[0]);
- /* tDINIT1=400ns (533MHz), tDINIT0=500us (533MHz) */
- writel(PRT_DINIT1(213) | PRT_DINIT0(266525), &ddr_publ_regs->ptr[1]);
- /* tDINIT3=1us (533MHz), tDINIT2=200us (533MHz) */
- writel(PRT_DINIT3(534) | PRT_DINIT2(106610), &ddr_publ_regs->ptr[2]);
+ writel(PRT_DLLLOCK(div_round_up(sdram_params->ddr_freq / 1000000
+ * 5120, 1000))
+ | PRT_DLLSRST(div_round_up(sdram_params->ddr_freq / 1000000
+ * 50, 1000))
+ | PRT_ITMSRST(8), &ddr_publ_regs->ptr[0]);
+ writel(PRT_DINIT0(div_round_up(sdram_params->ddr_freq / 1000000
+ * 500000, 1000))
+ | PRT_DINIT1(div_round_up(sdram_params->ddr_freq / 1000000
+ * 400, 1000)), &ddr_publ_regs->ptr[1]);
+ writel(PRT_DINIT2(div_round_up(sdram_params->ddr_freq / 1000000
+ * 200000, 1000))
+ | PRT_DINIT3(div_round_up(sdram_params->ddr_freq / 1000000
+ * 1000, 1000)), &ddr_publ_regs->ptr[2]);
switch (sdram_params->dramtype) {
case LPDDR3:
@@ -860,7 +868,7 @@ static int data_training(u32 channel,
}
}
/* send some auto refresh to complement the lost while DTT */
- for (i = 0; i < (rank > 1 ? 4 : 2); i++)
+ for (i = 0; i < (rank > 1 ? 8 : 4); i++)
send_command(ddr_pctl_regs, rank, REF_CMD, 0);
if (sdram_params->dramtype != LPDDR3)
@@ -962,7 +970,10 @@ void sdram_init(const struct rk3288_sdram_params *sdram_params)
int zqcr;
printk(BIOS_INFO, "Starting SDRAM initialization...\n");
- if (sdram_params->ddr_freq > 533000000)
+ if ((sdram_params->dramtype == DDR3
+ && sdram_params->ddr_freq > 800000000)
+ || (sdram_params->dramtype == LPDDR3
+ && sdram_params->ddr_freq > 533000000))
die("SDRAM frequency is to high!");
rkclk_configure_ddr(sdram_params->ddr_freq);
@@ -1011,6 +1022,10 @@ void sdram_init(const struct rk3288_sdram_params *sdram_params)
if (sdram_params->dramtype == LPDDR3) {
/* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */
udelay(10);
+ send_command(ddr_pctl_regs,
+ (sdram_params->ch[channel].rank | 1),
+ MRS_CMD, LPDDR2_MA(11) |
+ sdram_params->odt ? LPDDR2_OP(3) : 0);
if (channel == 0) {
writel(0, &ddr_pctl_regs->mrrcfg0);
send_command(ddr_pctl_regs, 1, MRR_CMD,