diff options
| author | jinkun.hong <jinkun.hong@rock-chips.com> | 2014-09-25 20:27:26 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@google.com> | 2015-04-02 21:16:55 +0200 |
| commit | 3e9ea16c54dfe9ac593f772e5ba2f020b2e27c99 (patch) | |
| tree | d3b6dd0d236407be927ce20d8550fa4ea121b88b /src/soc/rockchip/rk3288/sdram.c | |
| parent | bfdd732b80a56e31d3bbe59de76a6a91b0f5b9e4 (diff) | |
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/soc/rockchip/rk3288/sdram.c')
| -rw-r--r-- | src/soc/rockchip/rk3288/sdram.c | 37 |
1 files changed, 26 insertions, 11 deletions
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, |