diff options
Diffstat (limited to 'drivers/ram/rockchip')
| -rw-r--r-- | drivers/ram/rockchip/Makefile | 5 | ||||
| -rw-r--r-- | drivers/ram/rockchip/dmc-rk3368.c | 14 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3188.c | 960 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk322x.c | 855 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3288.c | 1125 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3328.c | 60 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3399.c | 1238 |
7 files changed, 4250 insertions, 7 deletions
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index b09d03c2c9d..45b5fe72471 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -5,3 +5,8 @@ # obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o +obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o +obj-$(CONFIG_ROCKCHIP_RK322X) = sdram_rk322x.o +obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o +obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o +obj-$(CONFIG_ROCKCHIP_RK3399) = sdram_rk3399.o diff --git a/drivers/ram/rockchip/dmc-rk3368.c b/drivers/ram/rockchip/dmc-rk3368.c index 7577ff0363d..bfcb1ddefe3 100644 --- a/drivers/ram/rockchip/dmc-rk3368.c +++ b/drivers/ram/rockchip/dmc-rk3368.c @@ -230,7 +230,7 @@ static int memory_init(struct rk3368_ddr_pctl *pctl, tmp = get_timer(0); do { if (get_timer(tmp) > timeout_ms) { - error("%s: POWER_UP_START did not complete in %ld ms\n", + pr_err("%s: POWER_UP_START did not complete in %ld ms\n", __func__, timeout_ms); return -ETIME; } @@ -422,7 +422,7 @@ static int dfi_cfg(struct rk3368_ddr_pctl *pctl) tmp = get_timer(0); do { if (get_timer(tmp) > timeout_ms) { - error("%s: DFI init did not complete within %ld ms\n", + pr_err("%s: DFI init did not complete within %ld ms\n", __func__, timeout_ms); return -ETIME; } @@ -457,7 +457,7 @@ static int pctl_calc_timings(struct rk3368_sdram_params *params, u32 tfaw_as_ps; if (params->ddr_speed_bin != DDR3_1600K) { - error("%s: unimplemented DDR3 speed bin %d\n", + pr_err("%s: unimplemented DDR3 speed bin %d\n", __func__, params->ddr_speed_bin); return -1; } @@ -585,7 +585,7 @@ static int ddrphy_data_training(struct rk3368_ddr_pctl *pctl, tmp = get_timer(0); do { if (get_timer(tmp) > timeout_ms) { - error("%s: did not complete within %ld ms\n", + pr_err("%s: did not complete within %ld ms\n", __func__, timeout_ms); return -ETIME; } @@ -625,7 +625,7 @@ static int sdram_col_row_detect(struct udevice *dev) } if (col == 8) { - error("%s: col detect error\n", __func__); + pr_err("%s: col detect error\n", __func__); return -EINVAL; } @@ -644,7 +644,7 @@ static int sdram_col_row_detect(struct udevice *dev) } if (row == 11) { - error("%s: row detect error\n", __func__); + pr_err("%s: row detect error\n", __func__); return -EINVAL; } @@ -764,7 +764,7 @@ static int msch_niu_config(struct rk3368_msch *msch, } } - error("%s: ddrconf (NIU config) not found\n", __func__); + pr_err("%s: ddrconf (NIU config) not found\n", __func__); return -EINVAL; } diff --git a/drivers/ram/rockchip/sdram_rk3188.c b/drivers/ram/rockchip/sdram_rk3188.c new file mode 100644 index 00000000000..365d00ef542 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3188.c @@ -0,0 +1,960 @@ +/* + * (C) Copyright 2015 Google, Inc + * Copyright 2014 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0 + * + * Adapted from the very similar rk3288 ddr init. + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <dt-structs.h> +#include <errno.h> +#include <ram.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk3188.h> +#include <asm/arch/ddr_rk3188.h> +#include <asm/arch/grf_rk3188.h> +#include <asm/arch/pmu_rk3188.h> +#include <asm/arch/sdram.h> +#include <asm/arch/sdram_common.h> +#include <linux/err.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct chan_info { + struct rk3288_ddr_pctl *pctl; + struct rk3288_ddr_publ *publ; + struct rk3188_msch *msch; +}; + +struct dram_info { + struct chan_info chan[1]; + struct ram_info info; + struct clk ddr_clk; + struct rk3188_cru *cru; + struct rk3188_grf *grf; + struct rk3188_sgrf *sgrf; + struct rk3188_pmu *pmu; +}; + +struct rk3188_sdram_params { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3188_dmc of_plat; +#endif + struct rk3288_sdram_channel ch[2]; + struct rk3288_sdram_pctl_timing pctl_timing; + struct rk3288_sdram_phy_timing phy_timing; + struct rk3288_base_params base; + int num_channels; + struct regmap *map; +}; + +const int ddrconf_table[] = { + /* + * [5:4] row(13+n) + * [1:0] col(9+n), assume bw=2 + * row col,bw + */ + 0, + ((2 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((1 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((0 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((2 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((1 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((0 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((1 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT), + ((0 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT), + 0, + 0, + 0, + 0, + 0, + 0, + 0, +}; + +#define TEST_PATTEN 0x5aa5f00f +#define DQS_GATE_TRAINING_ERROR_RANK0 (1 << 4) +#define DQS_GATE_TRAINING_ERROR_RANK1 (2 << 4) + +#ifdef CONFIG_SPL_BUILD +static void copy_to_reg(u32 *dest, const u32 *src, u32 n) +{ + int i; + + for (i = 0; i < n / sizeof(u32); i++) { + writel(*src, dest); + src++; + dest++; + } +} + +static void ddr_reset(struct rk3188_cru *cru, u32 ch, u32 ctl, u32 phy) +{ + u32 phy_ctl_srstn_shift = 13; + u32 ctl_psrstn_shift = 11; + u32 ctl_srstn_shift = 10; + u32 phy_psrstn_shift = 9; + u32 phy_srstn_shift = 8; + + rk_clrsetreg(&cru->cru_softrst_con[5], + 1 << phy_ctl_srstn_shift | 1 << ctl_psrstn_shift | + 1 << ctl_srstn_shift | 1 << phy_psrstn_shift | + 1 << phy_srstn_shift, + phy << phy_ctl_srstn_shift | ctl << ctl_psrstn_shift | + ctl << ctl_srstn_shift | phy << phy_psrstn_shift | + phy << phy_srstn_shift); +} + +static void ddr_phy_ctl_reset(struct rk3188_cru *cru, u32 ch, u32 n) +{ + u32 phy_ctl_srstn_shift = 13; + + rk_clrsetreg(&cru->cru_softrst_con[5], + 1 << phy_ctl_srstn_shift, n << phy_ctl_srstn_shift); +} + +static void phy_pctrl_reset(struct rk3188_cru *cru, + struct rk3288_ddr_publ *publ, + int channel) +{ + int i; + + ddr_reset(cru, channel, 1, 1); + udelay(1); + clrbits_le32(&publ->acdllcr, ACDLLCR_DLLSRST); + for (i = 0; i < 4; i++) + clrbits_le32(&publ->datx8[i].dxdllcr, DXDLLCR_DLLSRST); + + udelay(10); + setbits_le32(&publ->acdllcr, ACDLLCR_DLLSRST); + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxdllcr, DXDLLCR_DLLSRST); + + udelay(10); + ddr_reset(cru, channel, 1, 0); + udelay(10); + ddr_reset(cru, channel, 0, 0); + udelay(10); +} + +static void phy_dll_bypass_set(struct rk3288_ddr_publ *publ, + u32 freq) +{ + int i; + + if (freq <= 250000000) { + if (freq <= 150000000) + clrbits_le32(&publ->dllgcr, SBIAS_BYPASS); + else + setbits_le32(&publ->dllgcr, SBIAS_BYPASS); + setbits_le32(&publ->acdllcr, ACDLLCR_DLLDIS); + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxdllcr, + DXDLLCR_DLLDIS); + + setbits_le32(&publ->pir, PIR_DLLBYP); + } else { + clrbits_le32(&publ->dllgcr, SBIAS_BYPASS); + clrbits_le32(&publ->acdllcr, ACDLLCR_DLLDIS); + for (i = 0; i < 4; i++) { + clrbits_le32(&publ->datx8[i].dxdllcr, + DXDLLCR_DLLDIS); + } + + clrbits_le32(&publ->pir, PIR_DLLBYP); + } +} + +static void dfi_cfg(struct rk3288_ddr_pctl *pctl, u32 dramtype) +{ + writel(DFI_INIT_START, &pctl->dfistcfg0); + writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, + &pctl->dfistcfg1); + writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2); + writel(7 << TLP_RESP_TIME_SHIFT | LP_SR_EN | LP_PD_EN, + &pctl->dfilpcfg0); + + writel(2 << TCTRL_DELAY_TIME_SHIFT, &pctl->dfitctrldelay); + writel(1 << TPHY_WRDATA_TIME_SHIFT, &pctl->dfitphywrdata); + writel(0xf << TPHY_RDLAT_TIME_SHIFT, &pctl->dfitphyrdlat); + writel(2 << TDRAM_CLK_DIS_TIME_SHIFT, &pctl->dfitdramclkdis); + writel(2 << TDRAM_CLK_EN_TIME_SHIFT, &pctl->dfitdramclken); + writel(1, &pctl->dfitphyupdtype0); + + /* cs0 and cs1 write odt enable */ + writel((RANK0_ODT_WRITE_SEL | RANK1_ODT_WRITE_SEL), + &pctl->dfiodtcfg); + /* odt write length */ + writel(7 << ODT_LEN_BL8_W_SHIFT, &pctl->dfiodtcfg1); + /* phyupd and ctrlupd disabled */ + writel(0, &pctl->dfiupdcfg); +} + +static void ddr_set_enable(struct rk3188_grf *grf, uint channel, bool enable) +{ + uint val = 0; + + if (enable) + val = 1 << DDR_16BIT_EN_SHIFT; + + rk_clrsetreg(&grf->ddrc_con0, 1 << DDR_16BIT_EN_SHIFT, val); +} + +static void ddr_set_ddr3_mode(struct rk3188_grf *grf, uint channel, + bool ddr3_mode) +{ + uint mask, val; + + mask = MSCH4_MAINDDR3_MASK << MSCH4_MAINDDR3_SHIFT; + val = ddr3_mode << MSCH4_MAINDDR3_SHIFT; + rk_clrsetreg(&grf->soc_con2, mask, val); +} + +static void ddr_rank_2_row15en(struct rk3188_grf *grf, bool enable) +{ + uint mask, val; + + mask = RANK_TO_ROW15_EN_MASK << RANK_TO_ROW15_EN_SHIFT; + val = enable << RANK_TO_ROW15_EN_SHIFT; + rk_clrsetreg(&grf->soc_con2, mask, val); +} + +static void pctl_cfg(int channel, struct rk3288_ddr_pctl *pctl, + struct rk3188_sdram_params *sdram_params, + struct rk3188_grf *grf) +{ + copy_to_reg(&pctl->togcnt1u, &sdram_params->pctl_timing.togcnt1u, + sizeof(sdram_params->pctl_timing)); + switch (sdram_params->base.dramtype) { + case DDR3: + if (sdram_params->phy_timing.mr[1] & DDR3_DLL_DISABLE) { + writel(sdram_params->pctl_timing.tcl - 3, + &pctl->dfitrddataen); + } else { + writel(sdram_params->pctl_timing.tcl - 2, + &pctl->dfitrddataen); + } + writel(sdram_params->pctl_timing.tcwl - 1, + &pctl->dfitphywrlat); + writel(0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | DDR3_EN | + DDR2_DDR3_BL_8 | (6 - 4) << TFAW_SHIFT | PD_EXIT_SLOW | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + ddr_set_ddr3_mode(grf, channel, true); + ddr_set_enable(grf, channel, true); + break; + } + + setbits_le32(&pctl->scfg, 1); +} + +static void phy_cfg(const struct chan_info *chan, int channel, + struct rk3188_sdram_params *sdram_params) +{ + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3188_msch *msch = chan->msch; + uint ddr_freq_mhz = sdram_params->base.ddr_freq / 1000000; + u32 dinit2; + int i; + + dinit2 = DIV_ROUND_UP(ddr_freq_mhz * 200000, 1000); + /* DDR PHY Timing */ + copy_to_reg(&publ->dtpr[0], &sdram_params->phy_timing.dtpr0, + sizeof(sdram_params->phy_timing)); + writel(sdram_params->base.noc_timing, &msch->ddrtiming); + writel(0x3f, &msch->readlatency); + writel(DIV_ROUND_UP(ddr_freq_mhz * 5120, 1000) << PRT_DLLLOCK_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 50, 1000) << PRT_DLLSRST_SHIFT | + 8 << PRT_ITMSRST_SHIFT, &publ->ptr[0]); + writel(DIV_ROUND_UP(ddr_freq_mhz * 500000, 1000) << PRT_DINIT0_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 400, 1000) << PRT_DINIT1_SHIFT, + &publ->ptr[1]); + writel(min(dinit2, 0x1ffffU) << PRT_DINIT2_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 1000, 1000) << PRT_DINIT3_SHIFT, + &publ->ptr[2]); + + switch (sdram_params->base.dramtype) { + case DDR3: + clrbits_le32(&publ->pgcr, 0x1f); + clrsetbits_le32(&publ->dcr, DDRMD_MASK << DDRMD_SHIFT, + DDRMD_DDR3 << DDRMD_SHIFT); + break; + } + if (sdram_params->base.odt) { + /*dynamic RTT enable */ + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxgcr, DQSRTT | DQRTT); + } else { + /*dynamic RTT disable */ + for (i = 0; i < 4; i++) + clrbits_le32(&publ->datx8[i].dxgcr, DQSRTT | DQRTT); + } +} + +static void phy_init(struct rk3288_ddr_publ *publ) +{ + setbits_le32(&publ->pir, PIR_INIT | PIR_DLLSRST + | PIR_DLLLOCK | PIR_ZCAL | PIR_ITMSRST | PIR_CLRSR); + udelay(1); + while ((readl(&publ->pgsr) & + (PGSR_IDONE | PGSR_DLDONE | PGSR_ZCDONE)) != + (PGSR_IDONE | PGSR_DLDONE | PGSR_ZCDONE)) + ; +} + +static void send_command(struct rk3288_ddr_pctl *pctl, u32 rank, + u32 cmd, u32 arg) +{ + writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd); + udelay(1); + while (readl(&pctl->mcmd) & START_CMD) + ; +} + +static inline void send_command_op(struct rk3288_ddr_pctl *pctl, + u32 rank, u32 cmd, u32 ma, u32 op) +{ + send_command(pctl, rank, cmd, (ma & LPDDR2_MA_MASK) << LPDDR2_MA_SHIFT | + (op & LPDDR2_OP_MASK) << LPDDR2_OP_SHIFT); +} + +static void memory_init(struct rk3288_ddr_publ *publ, + u32 dramtype) +{ + setbits_le32(&publ->pir, + (PIR_INIT | PIR_DRAMINIT | PIR_LOCKBYP + | PIR_ZCALBYP | PIR_CLRSR | PIR_ICPC + | (dramtype == DDR3 ? PIR_DRAMRST : 0))); + udelay(1); + while ((readl(&publ->pgsr) & (PGSR_IDONE | PGSR_DLDONE)) + != (PGSR_IDONE | PGSR_DLDONE)) + ; +} + +static void move_to_config_state(struct rk3288_ddr_publ *publ, + struct rk3288_ddr_pctl *pctl) +{ + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MSK; + + switch (state) { + case LOW_POWER: + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) + != ACCESS) + ; + /* wait DLL lock */ + while ((readl(&publ->pgsr) & PGSR_DLDONE) + != PGSR_DLDONE) + ; + /* + * if at low power state,need wakeup first, + * and then enter the config, so + * fallthrough + */ + case ACCESS: + /* fallthrough */ + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != CONFIG) + ; + break; + case CONFIG: + return; + default: + break; + } + } +} + +static void set_bandwidth_ratio(const struct chan_info *chan, int channel, + u32 n, struct rk3188_grf *grf) +{ + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3188_msch *msch = chan->msch; + + if (n == 1) { + setbits_le32(&pctl->ppcfg, 1); + ddr_set_enable(grf, channel, 1); + setbits_le32(&msch->ddrtiming, 1 << 31); + /* Data Byte disable*/ + clrbits_le32(&publ->datx8[2].dxgcr, 1); + clrbits_le32(&publ->datx8[3].dxgcr, 1); + /* disable DLL */ + setbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLDIS); + setbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLDIS); + } else { + clrbits_le32(&pctl->ppcfg, 1); + ddr_set_enable(grf, channel, 0); + clrbits_le32(&msch->ddrtiming, 1 << 31); + /* Data Byte enable*/ + setbits_le32(&publ->datx8[2].dxgcr, 1); + setbits_le32(&publ->datx8[3].dxgcr, 1); + + /* enable DLL */ + clrbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLDIS); + clrbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLDIS); + /* reset DLL */ + clrbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLSRST); + clrbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLSRST); + udelay(10); + setbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLSRST); + setbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLSRST); + } + setbits_le32(&pctl->dfistcfg0, 1 << 2); +} + +static int data_training(const struct chan_info *chan, int channel, + struct rk3188_sdram_params *sdram_params) +{ + unsigned int j; + int ret = 0; + u32 rank; + int i; + u32 step[2] = { PIR_QSTRN, PIR_RVTRN }; + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_ddr_pctl *pctl = chan->pctl; + + /* disable auto refresh */ + writel(0, &pctl->trefi); + + if (sdram_params->base.dramtype != LPDDR3) + setbits_le32(&publ->pgcr, 1 << PGCR_DQSCFG_SHIFT); + rank = sdram_params->ch[channel].rank | 1; + for (j = 0; j < ARRAY_SIZE(step); j++) { + /* + * trigger QSTRN and RVTRN + * clear DTDONE status + */ + setbits_le32(&publ->pir, PIR_CLRSR); + + /* trigger DTT */ + setbits_le32(&publ->pir, + PIR_INIT | step[j] | PIR_LOCKBYP | PIR_ZCALBYP | + PIR_CLRSR); + udelay(1); + /* wait echo byte DTDONE */ + while ((readl(&publ->datx8[0].dxgsr[0]) & rank) + != rank) + ; + while ((readl(&publ->datx8[1].dxgsr[0]) & rank) + != rank) + ; + if (!(readl(&pctl->ppcfg) & 1)) { + while ((readl(&publ->datx8[2].dxgsr[0]) + & rank) != rank) + ; + while ((readl(&publ->datx8[3].dxgsr[0]) + & rank) != rank) + ; + } + if (readl(&publ->pgsr) & + (PGSR_DTERR | PGSR_RVERR | PGSR_RVEIRR)) { + ret = -1; + break; + } + } + /* send some auto refresh to complement the lost while DTT */ + for (i = 0; i < (rank > 1 ? 8 : 4); i++) + send_command(pctl, rank, REF_CMD, 0); + + if (sdram_params->base.dramtype != LPDDR3) + clrbits_le32(&publ->pgcr, 1 << PGCR_DQSCFG_SHIFT); + + /* resume auto refresh */ + writel(sdram_params->pctl_timing.trefi, &pctl->trefi); + + return ret; +} + +static void move_to_access_state(const struct chan_info *chan) +{ + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_ddr_pctl *pctl = chan->pctl; + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MSK; + + switch (state) { + case LOW_POWER: + if (((readl(&pctl->stat) >> LP_TRIG_SHIFT) & + LP_TRIG_MASK) == 1) + return; + + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != ACCESS) + ; + /* wait DLL lock */ + while ((readl(&publ->pgsr) & PGSR_DLDONE) + != PGSR_DLDONE) + ; + break; + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != CONFIG) + ; + /* fallthrough */ + case CONFIG: + writel(GO_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) == CONFIG) + ; + break; + case ACCESS: + return; + default: + break; + } + } +} + +static void dram_cfg_rbc(const struct chan_info *chan, u32 chnum, + struct rk3188_sdram_params *sdram_params) +{ + struct rk3288_ddr_publ *publ = chan->publ; + + if (sdram_params->ch[chnum].bk == 3) + clrsetbits_le32(&publ->dcr, PDQ_MASK << PDQ_SHIFT, + 1 << PDQ_SHIFT); + else + clrbits_le32(&publ->dcr, PDQ_MASK << PDQ_SHIFT); + + writel(sdram_params->base.ddrconfig, &chan->msch->ddrconf); +} + +static void dram_all_config(const struct dram_info *dram, + struct rk3188_sdram_params *sdram_params) +{ + unsigned int chan; + u32 sys_reg = 0; + + sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT; + sys_reg |= (sdram_params->num_channels - 1) << SYS_REG_NUM_CH_SHIFT; + for (chan = 0; chan < sdram_params->num_channels; chan++) { + const struct rk3288_sdram_channel *info = + &sdram_params->ch[chan]; + + sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(chan); + sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(chan); + sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(chan); + sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(chan); + sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(chan); + sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(chan); + sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(chan); + sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(chan); + sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(chan); + + dram_cfg_rbc(&dram->chan[chan], chan, sdram_params); + } + if (sdram_params->ch[0].rank == 2) + ddr_rank_2_row15en(dram->grf, 0); + else + ddr_rank_2_row15en(dram->grf, 1); + + writel(sys_reg, &dram->pmu->sys_reg[2]); +} + +static int sdram_rank_bw_detect(struct dram_info *dram, int channel, + struct rk3188_sdram_params *sdram_params) +{ + int reg; + int need_trainig = 0; + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_publ *publ = chan->publ; + + ddr_rank_2_row15en(dram->grf, 0); + + if (data_training(chan, channel, sdram_params) < 0) { + printf("first data training fail!\n"); + reg = readl(&publ->datx8[0].dxgsr[0]); + /* Check the result for rank 0 */ + if ((channel == 0) && (reg & DQS_GATE_TRAINING_ERROR_RANK0)) { + printf("data training fail!\n"); + return -EIO; + } + + /* Check the result for rank 1 */ + if (reg & DQS_GATE_TRAINING_ERROR_RANK1) { + sdram_params->ch[channel].rank = 1; + clrsetbits_le32(&publ->pgcr, 0xF << 18, + sdram_params->ch[channel].rank << 18); + need_trainig = 1; + } + reg = readl(&publ->datx8[2].dxgsr[0]); + if (reg & (1 << 4)) { + sdram_params->ch[channel].bw = 1; + set_bandwidth_ratio(chan, channel, + sdram_params->ch[channel].bw, + dram->grf); + need_trainig = 1; + } + } + /* Assume the Die bit width are the same with the chip bit width */ + sdram_params->ch[channel].dbw = sdram_params->ch[channel].bw; + + if (need_trainig && + (data_training(chan, channel, sdram_params) < 0)) { + if (sdram_params->base.dramtype == LPDDR3) { + ddr_phy_ctl_reset(dram->cru, channel, 1); + udelay(10); + ddr_phy_ctl_reset(dram->cru, channel, 0); + udelay(10); + } + printf("2nd data training failed!"); + return -EIO; + } + + return 0; +} + +/* + * Detect ram columns and rows. + * @dram: dram info struct + * @channel: channel number to handle + * @sdram_params: sdram parameters, function will fill in col and row values + * + * Returns 0 or negative on error. + */ +static int sdram_col_row_detect(struct dram_info *dram, int channel, + struct rk3188_sdram_params *sdram_params) +{ + int row, col; + unsigned int addr; + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + int ret = 0; + + /* Detect col */ + for (col = 11; col >= 9; col--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + + (1 << (col + sdram_params->ch[channel].bw - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (col == 8) { + printf("Col detect error\n"); + ret = -EINVAL; + goto out; + } else { + sdram_params->ch[channel].col = col; + } + + ddr_rank_2_row15en(dram->grf, 1); + move_to_config_state(publ, pctl); + writel(1, &chan->msch->ddrconf); + move_to_access_state(chan); + /* Detect row, max 15,min13 in rk3188*/ + for (row = 16; row >= 13; row--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + (1 << (row + 15 - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (row == 12) { + printf("Row detect error\n"); + ret = -EINVAL; + } else { + sdram_params->ch[channel].cs1_row = row; + sdram_params->ch[channel].row_3_4 = 0; + debug("chn %d col %d, row %d\n", channel, col, row); + sdram_params->ch[channel].cs0_row = row; + } + +out: + return ret; +} + +static int sdram_get_niu_config(struct rk3188_sdram_params *sdram_params) +{ + int i, tmp, size, row, ret = 0; + + row = sdram_params->ch[0].cs0_row; + /* + * RK3188 share the rank and row bit15, we use same ddr config for 15bit + * and 16bit row + */ + if (row == 16) + row = 15; + tmp = sdram_params->ch[0].col - 9; + tmp -= (sdram_params->ch[0].bw == 2) ? 0 : 1; + tmp |= ((row - 13) << 4); + size = sizeof(ddrconf_table)/sizeof(ddrconf_table[0]); + for (i = 0; i < size; i++) + if (tmp == ddrconf_table[i]) + break; + if (i >= size) { + printf("niu config not found\n"); + ret = -EINVAL; + } else { + debug("niu config %d\n", i); + sdram_params->base.ddrconfig = i; + } + + return ret; +} + +static int sdram_init(struct dram_info *dram, + struct rk3188_sdram_params *sdram_params) +{ + int channel; + int zqcr; + int ret; + + if ((sdram_params->base.dramtype == DDR3 && + sdram_params->base.ddr_freq > 800000000)) { + printf("SDRAM frequency is too high!"); + return -E2BIG; + } + + ret = clk_set_rate(&dram->ddr_clk, sdram_params->base.ddr_freq); + if (ret) { + printf("Could not set DDR clock\n"); + return ret; + } + + for (channel = 0; channel < 1; channel++) { + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + + phy_pctrl_reset(dram->cru, publ, channel); + phy_dll_bypass_set(publ, sdram_params->base.ddr_freq); + + dfi_cfg(pctl, sdram_params->base.dramtype); + + pctl_cfg(channel, pctl, sdram_params, dram->grf); + + phy_cfg(chan, channel, sdram_params); + + phy_init(publ); + + writel(POWER_UP_START, &pctl->powctl); + while (!(readl(&pctl->powstat) & POWER_UP_DONE)) + ; + + memory_init(publ, sdram_params->base.dramtype); + move_to_config_state(publ, pctl); + + /* Using 32bit bus width for detect */ + sdram_params->ch[channel].bw = 2; + set_bandwidth_ratio(chan, channel, + sdram_params->ch[channel].bw, dram->grf); + /* + * set cs, using n=3 for detect + * CS0, n=1 + * CS1, n=2 + * CS0 & CS1, n = 3 + */ + sdram_params->ch[channel].rank = 2, + clrsetbits_le32(&publ->pgcr, 0xF << 18, + (sdram_params->ch[channel].rank | 1) << 18); + + /* DS=40ohm,ODT=155ohm */ + zqcr = 1 << ZDEN_SHIFT | 2 << PU_ONDIE_SHIFT | + 2 << PD_ONDIE_SHIFT | 0x19 << PU_OUTPUT_SHIFT | + 0x19 << PD_OUTPUT_SHIFT; + writel(zqcr, &publ->zq1cr[0]); + writel(zqcr, &publ->zq0cr[0]); + + /* Detect the rank and bit-width with data-training */ + writel(1, &chan->msch->ddrconf); + sdram_rank_bw_detect(dram, channel, sdram_params); + + if (sdram_params->base.dramtype == LPDDR3) { + u32 i; + writel(0, &pctl->mrrcfg0); + for (i = 0; i < 17; i++) + send_command_op(pctl, 1, MRR_CMD, i, 0); + } + writel(4, &chan->msch->ddrconf); + move_to_access_state(chan); + /* DDR3 and LPDDR3 are always 8 bank, no need detect */ + sdram_params->ch[channel].bk = 3; + /* Detect Col and Row number*/ + ret = sdram_col_row_detect(dram, channel, sdram_params); + if (ret) + goto error; + } + /* Find NIU DDR configuration */ + ret = sdram_get_niu_config(sdram_params); + if (ret) + goto error; + + dram_all_config(dram, sdram_params); + debug("%s done\n", __func__); + + return 0; +error: + printf("DRAM init failed!\n"); + hang(); +} + +static int setup_sdram(struct udevice *dev) +{ + struct dram_info *priv = dev_get_priv(dev); + struct rk3188_sdram_params *params = dev_get_platdata(dev); + + return sdram_init(priv, params); +} + +static int rk3188_dmc_ofdata_to_platdata(struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3188_sdram_params *params = dev_get_platdata(dev); + int ret; + + /* rk3188 supports only one-channel */ + params->num_channels = 1; + ret = dev_read_u32_array(dev, "rockchip,pctl-timing", + (u32 *)¶ms->pctl_timing, + sizeof(params->pctl_timing) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,pctl-timing\n", __func__); + return -EINVAL; + } + ret = dev_read_u32_array(dev, "rockchip,phy-timing", + (u32 *)¶ms->phy_timing, + sizeof(params->phy_timing) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,phy-timing\n", __func__); + return -EINVAL; + } + ret = dev_read_u32_array(dev, "rockchip,sdram-params", + (u32 *)¶ms->base, + sizeof(params->base) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,sdram-params\n", __func__); + return -EINVAL; + } + ret = regmap_init_mem(dev, ¶ms->map); + if (ret) + return ret; +#endif + + return 0; +} +#endif /* CONFIG_SPL_BUILD */ + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int conv_of_platdata(struct udevice *dev) +{ + struct rk3188_sdram_params *plat = dev_get_platdata(dev); + struct dtd_rockchip_rk3188_dmc *of_plat = &plat->of_plat; + int ret; + + memcpy(&plat->pctl_timing, of_plat->rockchip_pctl_timing, + sizeof(plat->pctl_timing)); + memcpy(&plat->phy_timing, of_plat->rockchip_phy_timing, + sizeof(plat->phy_timing)); + memcpy(&plat->base, of_plat->rockchip_sdram_params, sizeof(plat->base)); + /* rk3188 supports dual-channel, set default channel num to 2 */ + plat->num_channels = 1; + ret = regmap_init_mem_platdata(dev, of_plat->reg, + ARRAY_SIZE(of_plat->reg) / 2, + &plat->map); + if (ret) + return ret; + + return 0; +} +#endif + +static int rk3188_dmc_probe(struct udevice *dev) +{ +#ifdef CONFIG_SPL_BUILD + struct rk3188_sdram_params *plat = dev_get_platdata(dev); + struct regmap *map; + struct udevice *dev_clk; + int ret; +#endif + struct dram_info *priv = dev_get_priv(dev); + + priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); + +#ifdef CONFIG_SPL_BUILD +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = conv_of_platdata(dev); + if (ret) + return ret; +#endif + map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_NOC); + if (IS_ERR(map)) + return PTR_ERR(map); + priv->chan[0].msch = regmap_get_range(map, 0); + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + + priv->chan[0].pctl = regmap_get_range(plat->map, 0); + priv->chan[0].publ = regmap_get_range(plat->map, 1); + + ret = rockchip_get_clk(&dev_clk); + if (ret) + return ret; + priv->ddr_clk.id = CLK_DDR; + ret = clk_request(dev_clk, &priv->ddr_clk); + if (ret) + return ret; + + priv->cru = rockchip_get_cru(); + if (IS_ERR(priv->cru)) + return PTR_ERR(priv->cru); + ret = setup_sdram(dev); + if (ret) + return ret; +#else + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->pmu->sys_reg[2]); +#endif + + return 0; +} + +static int rk3188_dmc_get_info(struct udevice *dev, struct ram_info *info) +{ + struct dram_info *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops rk3188_dmc_ops = { + .get_info = rk3188_dmc_get_info, +}; + +static const struct udevice_id rk3188_dmc_ids[] = { + { .compatible = "rockchip,rk3188-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk3188) = { + .name = "rockchip_rk3188_dmc", + .id = UCLASS_RAM, + .of_match = rk3188_dmc_ids, + .ops = &rk3188_dmc_ops, +#ifdef CONFIG_SPL_BUILD + .ofdata_to_platdata = rk3188_dmc_ofdata_to_platdata, +#endif + .probe = rk3188_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +#ifdef CONFIG_SPL_BUILD + .platdata_auto_alloc_size = sizeof(struct rk3188_sdram_params), +#endif +}; diff --git a/drivers/ram/rockchip/sdram_rk322x.c b/drivers/ram/rockchip/sdram_rk322x.c new file mode 100644 index 00000000000..cc3138b21db --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk322x.c @@ -0,0 +1,855 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd + * + * SPDX-License-Identifier: GPL-2.0 + */ +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <dt-structs.h> +#include <errno.h> +#include <ram.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk322x.h> +#include <asm/arch/grf_rk322x.h> +#include <asm/arch/hardware.h> +#include <asm/arch/sdram_rk322x.h> +#include <asm/arch/timer.h> +#include <asm/arch/uart.h> +#include <asm/arch/sdram_common.h> +#include <asm/types.h> +#include <linux/err.h> + +DECLARE_GLOBAL_DATA_PTR; +struct chan_info { + struct rk322x_ddr_pctl *pctl; + struct rk322x_ddr_phy *phy; + struct rk322x_service_sys *msch; +}; + +struct dram_info { + struct chan_info chan[1]; + struct ram_info info; + struct clk ddr_clk; + struct rk322x_cru *cru; + struct rk322x_grf *grf; +}; + +struct rk322x_sdram_params { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3228_dmc of_plat; +#endif + struct rk322x_sdram_channel ch[1]; + struct rk322x_pctl_timing pctl_timing; + struct rk322x_phy_timing phy_timing; + struct rk322x_base_params base; + int num_channels; + struct regmap *map; +}; + +#ifdef CONFIG_TPL_BUILD +/* + * [7:6] bank(n:n bit bank) + * [5:4] row(13+n) + * [3] cs(0:1 cs, 1:2 cs) + * [2:1] bank(n:n bit bank) + * [0] col(10+n) + */ +const char ddr_cfg_2_rbc[] = { + ((0 << 6) | (0 << 4) | (0 << 3) | (1 << 2) | 1), + ((0 << 6) | (1 << 4) | (0 << 3) | (1 << 2) | 1), + ((0 << 6) | (2 << 4) | (0 << 3) | (1 << 2) | 1), + ((0 << 6) | (3 << 4) | (0 << 3) | (1 << 2) | 1), + ((0 << 6) | (1 << 4) | (0 << 3) | (1 << 2) | 2), + ((0 << 6) | (2 << 4) | (0 << 3) | (1 << 2) | 2), + ((0 << 6) | (3 << 4) | (0 << 3) | (1 << 2) | 2), + ((0 << 6) | (0 << 4) | (0 << 3) | (1 << 2) | 0), + ((0 << 6) | (1 << 4) | (0 << 3) | (1 << 2) | 0), + ((0 << 6) | (2 << 4) | (0 << 3) | (1 << 2) | 0), + ((0 << 6) | (3 << 4) | (0 << 3) | (1 << 2) | 0), + ((0 << 6) | (2 << 4) | (0 << 3) | (0 << 2) | 1), + ((1 << 6) | (1 << 4) | (0 << 3) | (0 << 2) | 2), + ((1 << 6) | (1 << 4) | (0 << 3) | (0 << 2) | 1), + ((0 << 6) | (3 << 4) | (1 << 3) | (1 << 2) | 1), + ((0 << 6) | (3 << 4) | (1 << 3) | (1 << 2) | 0), +}; + +static void copy_to_reg(u32 *dest, const u32 *src, u32 n) +{ + int i; + + for (i = 0; i < n / sizeof(u32); i++) { + writel(*src, dest); + src++; + dest++; + } +} + +void phy_pctrl_reset(struct rk322x_cru *cru, + struct rk322x_ddr_phy *ddr_phy) +{ + rk_clrsetreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT | + 1 << DDRCTRL_SRST_SHIFT | 1 << DDRPHY_PSRST_SHIFT | + 1 << DDRPHY_SRST_SHIFT, + 1 << DDRCTRL_PSRST_SHIFT | 1 << DDRCTRL_SRST_SHIFT | + 1 << DDRPHY_PSRST_SHIFT | 1 << DDRPHY_SRST_SHIFT); + + rockchip_udelay(10); + + rk_clrreg(&cru->cru_softrst_con[5], 1 << DDRPHY_PSRST_SHIFT | + 1 << DDRPHY_SRST_SHIFT); + rockchip_udelay(10); + + rk_clrreg(&cru->cru_softrst_con[5], 1 << DDRCTRL_PSRST_SHIFT | + 1 << DDRCTRL_SRST_SHIFT); + rockchip_udelay(10); + + clrbits_le32(&ddr_phy->ddrphy_reg[0], + SOFT_RESET_MASK << SOFT_RESET_SHIFT); + rockchip_udelay(10); + setbits_le32(&ddr_phy->ddrphy_reg[0], + SOFT_DERESET_ANALOG); + rockchip_udelay(5); + setbits_le32(&ddr_phy->ddrphy_reg[0], + SOFT_DERESET_DIGITAL); + + rockchip_udelay(1); +} + +void phy_dll_bypass_set(struct rk322x_ddr_phy *ddr_phy, u32 freq) +{ + u32 tmp; + + setbits_le32(&ddr_phy->ddrphy_reg[0x13], 0x10); + setbits_le32(&ddr_phy->ddrphy_reg[0x26], 0x10); + setbits_le32(&ddr_phy->ddrphy_reg[0x36], 0x10); + setbits_le32(&ddr_phy->ddrphy_reg[0x46], 0x10); + setbits_le32(&ddr_phy->ddrphy_reg[0x56], 0x10); + + clrbits_le32(&ddr_phy->ddrphy_reg[0x14], 0x8); + clrbits_le32(&ddr_phy->ddrphy_reg[0x27], 0x8); + clrbits_le32(&ddr_phy->ddrphy_reg[0x37], 0x8); + clrbits_le32(&ddr_phy->ddrphy_reg[0x47], 0x8); + clrbits_le32(&ddr_phy->ddrphy_reg[0x57], 0x8); + + if (freq <= 400) + setbits_le32(&ddr_phy->ddrphy_reg[0xa4], 0x1f); + else + clrbits_le32(&ddr_phy->ddrphy_reg[0xa4], 0x1f); + + if (freq <= 680) + tmp = 3; + else + tmp = 2; + + writel(tmp, &ddr_phy->ddrphy_reg[0x28]); + writel(tmp, &ddr_phy->ddrphy_reg[0x38]); + writel(tmp, &ddr_phy->ddrphy_reg[0x48]); + writel(tmp, &ddr_phy->ddrphy_reg[0x58]); +} + +static void send_command(struct rk322x_ddr_pctl *pctl, + u32 rank, u32 cmd, u32 arg) +{ + writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd); + rockchip_udelay(1); + while (readl(&pctl->mcmd) & START_CMD) + ; +} + +static void memory_init(struct chan_info *chan, + struct rk322x_sdram_params *sdram_params) +{ + struct rk322x_ddr_pctl *pctl = chan->pctl; + u32 dramtype = sdram_params->base.dramtype; + + if (dramtype == DDR3) { + send_command(pctl, 3, DESELECT_CMD, 0); + rockchip_udelay(1); + send_command(pctl, 3, PREA_CMD, 0); + send_command(pctl, 3, MRS_CMD, + (0x02 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT | + (sdram_params->phy_timing.mr[2] & CMD_ADDR_MASK) << + CMD_ADDR_SHIFT); + + send_command(pctl, 3, MRS_CMD, + (0x03 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT | + (sdram_params->phy_timing.mr[3] & CMD_ADDR_MASK) << + CMD_ADDR_SHIFT); + + send_command(pctl, 3, MRS_CMD, + (0x01 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT | + (sdram_params->phy_timing.mr[1] & CMD_ADDR_MASK) << + CMD_ADDR_SHIFT); + + send_command(pctl, 3, MRS_CMD, + (0x00 & BANK_ADDR_MASK) << BANK_ADDR_SHIFT | + ((sdram_params->phy_timing.mr[0] | + DDR3_DLL_RESET) & + CMD_ADDR_MASK) << CMD_ADDR_SHIFT); + + send_command(pctl, 3, ZQCL_CMD, 0); + } else { + send_command(pctl, 3, MRS_CMD, + (0x63 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (0 & LPDDR23_OP_MASK) << + LPDDR23_OP_SHIFT); + rockchip_udelay(10); + send_command(pctl, 3, MRS_CMD, + (0x10 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (0xff & LPDDR23_OP_MASK) << + LPDDR23_OP_SHIFT); + rockchip_udelay(1); + send_command(pctl, 3, MRS_CMD, + (0x10 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (0xff & LPDDR23_OP_MASK) << + LPDDR23_OP_SHIFT); + rockchip_udelay(1); + send_command(pctl, 3, MRS_CMD, + (1 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (sdram_params->phy_timing.mr[1] & + LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); + send_command(pctl, 3, MRS_CMD, + (2 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (sdram_params->phy_timing.mr[2] & + LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); + send_command(pctl, 3, MRS_CMD, + (3 & LPDDR23_MA_MASK) << LPDDR23_MA_SHIFT | + (sdram_params->phy_timing.mr[3] & + LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); + if (dramtype == LPDDR3) + send_command(pctl, 3, MRS_CMD, (11 & LPDDR23_MA_MASK) << + LPDDR23_MA_SHIFT | + (sdram_params->phy_timing.mr11 & + LPDDR23_OP_MASK) << LPDDR23_OP_SHIFT); + } +} + +static u32 data_training(struct chan_info *chan) +{ + struct rk322x_ddr_phy *ddr_phy = chan->phy; + struct rk322x_ddr_pctl *pctl = chan->pctl; + u32 value; + u32 bw = (readl(&ddr_phy->ddrphy_reg[0]) >> 4) & 0xf; + u32 ret; + + /* disable auto refresh */ + value = readl(&pctl->trefi) | (1 << 31); + writel(1 << 31, &pctl->trefi); + + clrsetbits_le32(&ddr_phy->ddrphy_reg[2], 0x30, + DQS_SQU_CAL_SEL_CS0); + setbits_le32(&ddr_phy->ddrphy_reg[2], DQS_SQU_CAL_START); + + rockchip_udelay(30); + ret = readl(&ddr_phy->ddrphy_reg[0xff]); + + clrbits_le32(&ddr_phy->ddrphy_reg[2], + DQS_SQU_CAL_START); + + /* + * since data training will take about 20us, so send some auto + * refresh(about 7.8us) to complement the lost time + */ + send_command(pctl, 3, PREA_CMD, 0); + send_command(pctl, 3, REF_CMD, 0); + + writel(value, &pctl->trefi); + + if (ret & 0x10) { + ret = -1; + } else { + ret = (ret & 0xf) ^ bw; + ret = (ret == 0) ? 0 : -1; + } + return ret; +} + +static void move_to_config_state(struct rk322x_ddr_pctl *pctl) +{ + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MASK; + switch (state) { + case LOW_POWER: + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) + != ACCESS) + ; + /* + * If at low power state, need wakeup first, and then + * enter the config, so fallthrough + */ + case ACCESS: + /* fallthrough */ + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG) + ; + break; + case CONFIG: + return; + default: + break; + } + } +} + +static void move_to_access_state(struct rk322x_ddr_pctl *pctl) +{ + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MASK; + switch (state) { + case LOW_POWER: + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS) + ; + break; + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG) + ; + /* fallthrough */ + case CONFIG: + writel(GO_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS) + ; + break; + case ACCESS: + return; + default: + break; + } + } +} + +static void move_to_lowpower_state(struct rk322x_ddr_pctl *pctl) +{ + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MASK; + switch (state) { + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != CONFIG) + ; + /* fallthrough */ + case CONFIG: + writel(GO_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != ACCESS) + ; + break; + case ACCESS: + writel(SLEEP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MASK) != + LOW_POWER) + ; + break; + case LOW_POWER: + return; + default: + break; + } + } +} + +/* pctl should in low power mode when call this function */ +static void phy_softreset(struct dram_info *dram) +{ + struct rk322x_ddr_phy *ddr_phy = dram->chan[0].phy; + struct rk322x_grf *grf = dram->grf; + + writel(GRF_DDRPHY_BUFFEREN_CORE_EN, &grf->soc_con[0]); + clrbits_le32(&ddr_phy->ddrphy_reg[0], 0x3 << 2); + rockchip_udelay(1); + setbits_le32(&ddr_phy->ddrphy_reg[0], 1 << 2); + rockchip_udelay(5); + setbits_le32(&ddr_phy->ddrphy_reg[0], 1 << 3); + writel(GRF_DDRPHY_BUFFEREN_CORE_DIS, &grf->soc_con[0]); +} + +/* bw: 2: 32bit, 1:16bit */ +static void set_bw(struct dram_info *dram, u32 bw) +{ + struct rk322x_ddr_pctl *pctl = dram->chan[0].pctl; + struct rk322x_ddr_phy *ddr_phy = dram->chan[0].phy; + struct rk322x_grf *grf = dram->grf; + + if (bw == 1) { + setbits_le32(&pctl->ppcfg, 1); + clrbits_le32(&ddr_phy->ddrphy_reg[0], 0xc << 4); + writel(GRF_MSCH_NOC_16BIT_EN, &grf->soc_con[0]); + clrbits_le32(&ddr_phy->ddrphy_reg[0x46], 0x8); + clrbits_le32(&ddr_phy->ddrphy_reg[0x56], 0x8); + } else { + clrbits_le32(&pctl->ppcfg, 1); + setbits_le32(&ddr_phy->ddrphy_reg[0], 0xf << 4); + writel(GRF_DDR_32BIT_EN | GRF_MSCH_NOC_32BIT_EN, + &grf->soc_con[0]); + setbits_le32(&ddr_phy->ddrphy_reg[0x46], 0x8); + setbits_le32(&ddr_phy->ddrphy_reg[0x56], 0x8); + } +} + +static void pctl_cfg(struct rk322x_ddr_pctl *pctl, + struct rk322x_sdram_params *sdram_params, + struct rk322x_grf *grf) +{ + u32 burst_len; + u32 bw; + u32 dramtype = sdram_params->base.dramtype; + + if (sdram_params->ch[0].bw == 2) + bw = GRF_DDR_32BIT_EN | GRF_MSCH_NOC_32BIT_EN; + else + bw = GRF_MSCH_NOC_16BIT_EN; + + writel(DFI_INIT_START | DFI_DATA_BYTE_DISABLE_EN, &pctl->dfistcfg0); + writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, &pctl->dfistcfg1); + writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2); + writel(0x51010, &pctl->dfilpcfg0); + + writel(1, &pctl->dfitphyupdtype0); + writel(0x0d, &pctl->dfitphyrdlat); + writel(0, &pctl->dfitphywrdata); + + writel(0, &pctl->dfiupdcfg); + copy_to_reg(&pctl->togcnt1u, &sdram_params->pctl_timing.togcnt1u, + sizeof(struct rk322x_pctl_timing)); + if (dramtype == DDR3) { + writel((1 << 3) | (1 << 11), + &pctl->dfiodtcfg); + writel(7 << 16, &pctl->dfiodtcfg1); + writel((readl(&pctl->tcl) - 1) / 2 - 1, &pctl->dfitrddataen); + writel((readl(&pctl->tcwl) - 1) / 2 - 1, &pctl->dfitphywrlat); + writel(500, &pctl->trsth); + writel(0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | DDR3_EN | + DDR2_DDR3_BL_8 | (6 - 4) << TFAW_SHIFT | PD_EXIT_SLOW | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + writel(bw | GRF_DDR3_EN, &grf->soc_con[0]); + } else { + if (sdram_params->phy_timing.bl & PHT_BL_8) + burst_len = MDDR_LPDDR2_BL_8; + else + burst_len = MDDR_LPDDR2_BL_4; + + writel(readl(&pctl->tcl) / 2 - 1, &pctl->dfitrddataen); + writel(readl(&pctl->tcwl) / 2 - 1, &pctl->dfitphywrlat); + writel(0, &pctl->trsth); + if (dramtype == LPDDR2) { + writel(0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | + LPDDR2_S4 | LPDDR2_EN | burst_len | + (6 - 4) << TFAW_SHIFT | PD_EXIT_FAST | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + writel(0, &pctl->dfiodtcfg); + writel(0, &pctl->dfiodtcfg1); + } else { + writel(0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | + LPDDR2_S4 | LPDDR3_EN | burst_len | + (6 - 4) << TFAW_SHIFT | PD_EXIT_FAST | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + writel((1 << 3) | (1 << 2), &pctl->dfiodtcfg); + writel((7 << 16) | 4, &pctl->dfiodtcfg1); + } + writel(bw | GRF_LPDDR2_3_EN, &grf->soc_con[0]); + } + setbits_le32(&pctl->scfg, 1); +} + +static void phy_cfg(struct chan_info *chan, + struct rk322x_sdram_params *sdram_params) +{ + struct rk322x_ddr_phy *ddr_phy = chan->phy; + struct rk322x_service_sys *axi_bus = chan->msch; + struct rk322x_msch_timings *noc_timing = &sdram_params->base.noc_timing; + struct rk322x_phy_timing *phy_timing = &sdram_params->phy_timing; + struct rk322x_pctl_timing *pctl_timing = &sdram_params->pctl_timing; + u32 cmd_drv, clk_drv, dqs_drv, dqs_odt; + + writel(noc_timing->ddrtiming, &axi_bus->ddrtiming); + writel(noc_timing->ddrmode, &axi_bus->ddrmode); + writel(noc_timing->readlatency, &axi_bus->readlatency); + writel(noc_timing->activate, &axi_bus->activate); + writel(noc_timing->devtodev, &axi_bus->devtodev); + + switch (sdram_params->base.dramtype) { + case DDR3: + writel(PHY_DDR3 | phy_timing->bl, &ddr_phy->ddrphy_reg[1]); + break; + case LPDDR2: + writel(PHY_LPDDR2 | phy_timing->bl, &ddr_phy->ddrphy_reg[1]); + break; + default: + writel(PHY_LPDDR2 | phy_timing->bl, &ddr_phy->ddrphy_reg[1]); + break; + } + + writel(phy_timing->cl_al, &ddr_phy->ddrphy_reg[0xb]); + writel(pctl_timing->tcwl, &ddr_phy->ddrphy_reg[0xc]); + + cmd_drv = PHY_RON_RTT_34OHM; + clk_drv = PHY_RON_RTT_45OHM; + dqs_drv = PHY_RON_RTT_34OHM; + if (sdram_params->base.dramtype == LPDDR2) + dqs_odt = PHY_RON_RTT_DISABLE; + else + dqs_odt = PHY_RON_RTT_225OHM; + + writel(cmd_drv, &ddr_phy->ddrphy_reg[0x11]); + clrsetbits_le32(&ddr_phy->ddrphy_reg[0x12], (0x1f << 3), cmd_drv << 3); + writel(clk_drv, &ddr_phy->ddrphy_reg[0x16]); + writel(clk_drv, &ddr_phy->ddrphy_reg[0x18]); + + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x20]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x2f]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x30]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x3f]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x40]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x4f]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x50]); + writel(dqs_drv, &ddr_phy->ddrphy_reg[0x5f]); + + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x21]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x2e]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x31]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x3e]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x41]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x4e]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x51]); + writel(dqs_odt, &ddr_phy->ddrphy_reg[0x5e]); +} + +void dram_cfg_rbc(struct chan_info *chan, + struct rk322x_sdram_params *sdram_params) +{ + char noc_config; + int i = 0; + struct rk322x_sdram_channel *config = &sdram_params->ch[0]; + struct rk322x_service_sys *axi_bus = chan->msch; + + move_to_config_state(chan->pctl); + + if ((config->rank == 2) && (config->cs1_row == config->cs0_row)) { + if ((config->col + config->bw) == 12) { + i = 14; + goto finish; + } else if ((config->col + config->bw) == 11) { + i = 15; + goto finish; + } + } + noc_config = ((config->cs0_row - 13) << 4) | ((config->bk - 2) << 2) | + (config->col + config->bw - 11); + for (i = 0; i < 11; i++) { + if (noc_config == ddr_cfg_2_rbc[i]) + break; + } + + if (i < 11) + goto finish; + + noc_config = ((config->bk - 2) << 6) | ((config->cs0_row - 13) << 4) | + (config->col + config->bw - 11); + + for (i = 11; i < 14; i++) { + if (noc_config == ddr_cfg_2_rbc[i]) + break; + } + if (i < 14) + goto finish; + else + i = 0; + +finish: + writel(i, &axi_bus->ddrconf); + move_to_access_state(chan->pctl); +} + +static void dram_all_config(const struct dram_info *dram, + struct rk322x_sdram_params *sdram_params) +{ + struct rk322x_sdram_channel *info = &sdram_params->ch[0]; + u32 sys_reg = 0; + + sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT; + sys_reg |= (1 - 1) << SYS_REG_NUM_CH_SHIFT; + sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(0); + sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(0); + sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(0); + sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(0); + sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(0); + sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(0); + sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(0); + sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(0); + sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(0); + + writel(sys_reg, &dram->grf->os_reg[2]); +} + +#define TEST_PATTEN 0x5aa5f00f + +static int dram_cap_detect(struct dram_info *dram, + struct rk322x_sdram_params *sdram_params) +{ + u32 bw, row, col, addr; + u32 ret = 0; + struct rk322x_service_sys *axi_bus = dram->chan[0].msch; + + if (sdram_params->base.dramtype == DDR3) + sdram_params->ch[0].dbw = 1; + else + sdram_params->ch[0].dbw = 2; + + move_to_config_state(dram->chan[0].pctl); + /* bw detect */ + set_bw(dram, 2); + if (data_training(&dram->chan[0]) == 0) { + bw = 2; + } else { + bw = 1; + set_bw(dram, 1); + move_to_lowpower_state(dram->chan[0].pctl); + phy_softreset(dram); + move_to_config_state(dram->chan[0].pctl); + if (data_training(&dram->chan[0])) { + printf("BW detect error\n"); + ret = -EINVAL; + } + } + sdram_params->ch[0].bw = bw; + sdram_params->ch[0].bk = 3; + + if (bw == 2) + writel(6, &axi_bus->ddrconf); + else + writel(3, &axi_bus->ddrconf); + move_to_access_state(dram->chan[0].pctl); + for (col = 11; col >= 9; col--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + + (1 << (col + bw - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (col == 8) { + printf("Col detect error\n"); + ret = -EINVAL; + goto out; + } else { + sdram_params->ch[0].col = col; + } + + writel(10, &axi_bus->ddrconf); + + /* Detect row*/ + for (row = 16; row >= 12; row--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + (1u << (row + 11 + 3 - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (row == 11) { + printf("Row detect error\n"); + ret = -EINVAL; + } else { + sdram_params->ch[0].cs1_row = row; + sdram_params->ch[0].row_3_4 = 0; + sdram_params->ch[0].cs0_row = row; + } + /* cs detect */ + writel(0, CONFIG_SYS_SDRAM_BASE); + writel(TEST_PATTEN, CONFIG_SYS_SDRAM_BASE + (1u << 30)); + writel(~TEST_PATTEN, CONFIG_SYS_SDRAM_BASE + (1u << 30) + 4); + if ((readl(CONFIG_SYS_SDRAM_BASE + (1u << 30)) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + sdram_params->ch[0].rank = 2; + else + sdram_params->ch[0].rank = 1; +out: + return ret; +} + +static int sdram_init(struct dram_info *dram, + struct rk322x_sdram_params *sdram_params) +{ + int ret; + + ret = clk_set_rate(&dram->ddr_clk, + sdram_params->base.ddr_freq * MHz * 2); + if (ret < 0) { + printf("Could not set DDR clock\n"); + return ret; + } + + phy_pctrl_reset(dram->cru, dram->chan[0].phy); + phy_dll_bypass_set(dram->chan[0].phy, sdram_params->base.ddr_freq); + pctl_cfg(dram->chan[0].pctl, sdram_params, dram->grf); + phy_cfg(&dram->chan[0], sdram_params); + writel(POWER_UP_START, &dram->chan[0].pctl->powctl); + while (!(readl(&dram->chan[0].pctl->powstat) & POWER_UP_DONE)) + ; + memory_init(&dram->chan[0], sdram_params); + move_to_access_state(dram->chan[0].pctl); + ret = dram_cap_detect(dram, sdram_params); + if (ret) + goto out; + dram_cfg_rbc(&dram->chan[0], sdram_params); + dram_all_config(dram, sdram_params); +out: + return ret; +} + +static int rk322x_dmc_ofdata_to_platdata(struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk322x_sdram_params *params = dev_get_platdata(dev); + const void *blob = gd->fdt_blob; + int node = dev_of_offset(dev); + int ret; + + params->num_channels = 1; + + ret = fdtdec_get_int_array(blob, node, "rockchip,pctl-timing", + (u32 *)¶ms->pctl_timing, + sizeof(params->pctl_timing) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,pctl-timing\n", __func__); + return -EINVAL; + } + ret = fdtdec_get_int_array(blob, node, "rockchip,phy-timing", + (u32 *)¶ms->phy_timing, + sizeof(params->phy_timing) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,phy-timing\n", __func__); + return -EINVAL; + } + ret = fdtdec_get_int_array(blob, node, "rockchip,sdram-params", + (u32 *)¶ms->base, + sizeof(params->base) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,sdram-params\n", __func__); + return -EINVAL; + } + ret = regmap_init_mem(dev, ¶ms->map); + if (ret) + return ret; +#endif + + return 0; +} +#endif /* CONFIG_TPL_BUILD */ + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int conv_of_platdata(struct udevice *dev) +{ + struct rk322x_sdram_params *plat = dev_get_platdata(dev); + struct dtd_rockchip_rk322x_dmc *of_plat = &plat->of_plat; + int ret; + + memcpy(&plat->pctl_timing, of_plat->rockchip_pctl_timing, + sizeof(plat->pctl_timing)); + memcpy(&plat->phy_timing, of_plat->rockchip_phy_timing, + sizeof(plat->phy_timing)); + memcpy(&plat->base, of_plat->rockchip_sdram_params, sizeof(plat->base)); + + plat->num_channels = 1; + ret = regmap_init_mem_platdata(dev, of_plat->reg, + ARRAY_SIZE(of_plat->reg) / 2, + &plat->map); + if (ret) + return ret; + + return 0; +} +#endif + +static int rk322x_dmc_probe(struct udevice *dev) +{ +#ifdef CONFIG_TPL_BUILD + struct rk322x_sdram_params *plat = dev_get_platdata(dev); + int ret; + struct udevice *dev_clk; +#endif + struct dram_info *priv = dev_get_priv(dev); + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); +#ifdef CONFIG_TPL_BUILD +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = conv_of_platdata(dev); + if (ret) + return ret; +#endif + + priv->chan[0].msch = syscon_get_first_range(ROCKCHIP_SYSCON_MSCH); + priv->chan[0].pctl = regmap_get_range(plat->map, 0); + priv->chan[0].phy = regmap_get_range(plat->map, 1); + ret = rockchip_get_clk(&dev_clk); + if (ret) + return ret; + priv->ddr_clk.id = CLK_DDR; + ret = clk_request(dev_clk, &priv->ddr_clk); + if (ret) + return ret; + + priv->cru = rockchip_get_cru(); + if (IS_ERR(priv->cru)) + return PTR_ERR(priv->cru); + ret = sdram_init(priv, plat); + if (ret) + return ret; +#else + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->grf->os_reg[2]); +#endif + + return 0; +} + +static int rk322x_dmc_get_info(struct udevice *dev, struct ram_info *info) +{ + struct dram_info *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops rk322x_dmc_ops = { + .get_info = rk322x_dmc_get_info, +}; + +static const struct udevice_id rk322x_dmc_ids[] = { + { .compatible = "rockchip,rk3228-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk322x) = { + .name = "rockchip_rk322x_dmc", + .id = UCLASS_RAM, + .of_match = rk322x_dmc_ids, + .ops = &rk322x_dmc_ops, +#ifdef CONFIG_TPL_BUILD + .ofdata_to_platdata = rk322x_dmc_ofdata_to_platdata, +#endif + .probe = rk322x_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +#ifdef CONFIG_TPL_BUILD + .platdata_auto_alloc_size = sizeof(struct rk322x_sdram_params), +#endif +}; + diff --git a/drivers/ram/rockchip/sdram_rk3288.c b/drivers/ram/rockchip/sdram_rk3288.c new file mode 100644 index 00000000000..95efb117fc1 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3288.c @@ -0,0 +1,1125 @@ +/* + * (C) Copyright 2015 Google, Inc + * Copyright 2014 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0 + * + * Adapted from coreboot. + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <dt-structs.h> +#include <errno.h> +#include <ram.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/cru_rk3288.h> +#include <asm/arch/ddr_rk3288.h> +#include <asm/arch/grf_rk3288.h> +#include <asm/arch/pmu_rk3288.h> +#include <asm/arch/sdram.h> +#include <asm/arch/sdram_common.h> +#include <linux/err.h> +#include <power/regulator.h> +#include <power/rk8xx_pmic.h> + +DECLARE_GLOBAL_DATA_PTR; + +struct chan_info { + struct rk3288_ddr_pctl *pctl; + struct rk3288_ddr_publ *publ; + struct rk3288_msch *msch; +}; + +struct dram_info { + struct chan_info chan[2]; + struct ram_info info; + struct clk ddr_clk; + struct rk3288_cru *cru; + struct rk3288_grf *grf; + struct rk3288_sgrf *sgrf; + struct rk3288_pmu *pmu; + bool is_veyron; +}; + +struct rk3288_sdram_params { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3288_dmc of_plat; +#endif + struct rk3288_sdram_channel ch[2]; + struct rk3288_sdram_pctl_timing pctl_timing; + struct rk3288_sdram_phy_timing phy_timing; + struct rk3288_base_params base; + int num_channels; + struct regmap *map; +}; + +const int ddrconf_table[] = { + /* row col,bw */ + 0, + ((1 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((2 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((3 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((4 << DDRCONF_ROW_SHIFT) | 1 << DDRCONF_COL_SHIFT), + ((1 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((2 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((3 << DDRCONF_ROW_SHIFT) | 2 << DDRCONF_COL_SHIFT), + ((1 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT), + ((2 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT), + ((3 << DDRCONF_ROW_SHIFT) | 0 << DDRCONF_COL_SHIFT), + 0, + 0, + 0, + 0, + ((4 << 4) | 2), +}; + +#define TEST_PATTEN 0x5aa5f00f +#define DQS_GATE_TRAINING_ERROR_RANK0 (1 << 4) +#define DQS_GATE_TRAINING_ERROR_RANK1 (2 << 4) + +#ifdef CONFIG_SPL_BUILD +static void copy_to_reg(u32 *dest, const u32 *src, u32 n) +{ + int i; + + for (i = 0; i < n / sizeof(u32); i++) { + writel(*src, dest); + src++; + dest++; + } +} + +static void ddr_reset(struct rk3288_cru *cru, u32 ch, u32 ctl, u32 phy) +{ + u32 phy_ctl_srstn_shift = 4 + 5 * ch; + u32 ctl_psrstn_shift = 3 + 5 * ch; + u32 ctl_srstn_shift = 2 + 5 * ch; + u32 phy_psrstn_shift = 1 + 5 * ch; + u32 phy_srstn_shift = 5 * ch; + + rk_clrsetreg(&cru->cru_softrst_con[10], + 1 << phy_ctl_srstn_shift | 1 << ctl_psrstn_shift | + 1 << ctl_srstn_shift | 1 << phy_psrstn_shift | + 1 << phy_srstn_shift, + phy << phy_ctl_srstn_shift | ctl << ctl_psrstn_shift | + ctl << ctl_srstn_shift | phy << phy_psrstn_shift | + phy << phy_srstn_shift); +} + +static void ddr_phy_ctl_reset(struct rk3288_cru *cru, u32 ch, u32 n) +{ + u32 phy_ctl_srstn_shift = 4 + 5 * ch; + + rk_clrsetreg(&cru->cru_softrst_con[10], + 1 << phy_ctl_srstn_shift, n << phy_ctl_srstn_shift); +} + +static void phy_pctrl_reset(struct rk3288_cru *cru, + struct rk3288_ddr_publ *publ, + int channel) +{ + int i; + + ddr_reset(cru, channel, 1, 1); + udelay(1); + clrbits_le32(&publ->acdllcr, ACDLLCR_DLLSRST); + for (i = 0; i < 4; i++) + clrbits_le32(&publ->datx8[i].dxdllcr, DXDLLCR_DLLSRST); + + udelay(10); + setbits_le32(&publ->acdllcr, ACDLLCR_DLLSRST); + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxdllcr, DXDLLCR_DLLSRST); + + udelay(10); + ddr_reset(cru, channel, 1, 0); + udelay(10); + ddr_reset(cru, channel, 0, 0); + udelay(10); +} + +static void phy_dll_bypass_set(struct rk3288_ddr_publ *publ, + u32 freq) +{ + int i; + + if (freq <= 250000000) { + if (freq <= 150000000) + clrbits_le32(&publ->dllgcr, SBIAS_BYPASS); + else + setbits_le32(&publ->dllgcr, SBIAS_BYPASS); + setbits_le32(&publ->acdllcr, ACDLLCR_DLLDIS); + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxdllcr, + DXDLLCR_DLLDIS); + + setbits_le32(&publ->pir, PIR_DLLBYP); + } else { + clrbits_le32(&publ->dllgcr, SBIAS_BYPASS); + clrbits_le32(&publ->acdllcr, ACDLLCR_DLLDIS); + for (i = 0; i < 4; i++) { + clrbits_le32(&publ->datx8[i].dxdllcr, + DXDLLCR_DLLDIS); + } + + clrbits_le32(&publ->pir, PIR_DLLBYP); + } +} + +static void dfi_cfg(struct rk3288_ddr_pctl *pctl, u32 dramtype) +{ + writel(DFI_INIT_START, &pctl->dfistcfg0); + writel(DFI_DRAM_CLK_SR_EN | DFI_DRAM_CLK_DPD_EN, + &pctl->dfistcfg1); + writel(DFI_PARITY_INTR_EN | DFI_PARITY_EN, &pctl->dfistcfg2); + writel(7 << TLP_RESP_TIME_SHIFT | LP_SR_EN | LP_PD_EN, + &pctl->dfilpcfg0); + + writel(2 << TCTRL_DELAY_TIME_SHIFT, &pctl->dfitctrldelay); + writel(1 << TPHY_WRDATA_TIME_SHIFT, &pctl->dfitphywrdata); + writel(0xf << TPHY_RDLAT_TIME_SHIFT, &pctl->dfitphyrdlat); + writel(2 << TDRAM_CLK_DIS_TIME_SHIFT, &pctl->dfitdramclkdis); + writel(2 << TDRAM_CLK_EN_TIME_SHIFT, &pctl->dfitdramclken); + writel(1, &pctl->dfitphyupdtype0); + + /* cs0 and cs1 write odt enable */ + writel((RANK0_ODT_WRITE_SEL | RANK1_ODT_WRITE_SEL), + &pctl->dfiodtcfg); + /* odt write length */ + writel(7 << ODT_LEN_BL8_W_SHIFT, &pctl->dfiodtcfg1); + /* phyupd and ctrlupd disabled */ + writel(0, &pctl->dfiupdcfg); +} + +static void ddr_set_enable(struct rk3288_grf *grf, uint channel, bool enable) +{ + uint val = 0; + + if (enable) { + val = 1 << (channel ? DDR1_16BIT_EN_SHIFT : + DDR0_16BIT_EN_SHIFT); + } + rk_clrsetreg(&grf->soc_con0, + 1 << (channel ? DDR1_16BIT_EN_SHIFT : DDR0_16BIT_EN_SHIFT), + val); +} + +static void ddr_set_ddr3_mode(struct rk3288_grf *grf, uint channel, + bool ddr3_mode) +{ + uint mask, val; + + mask = 1 << (channel ? MSCH1_MAINDDR3_SHIFT : MSCH0_MAINDDR3_SHIFT); + val = ddr3_mode << (channel ? MSCH1_MAINDDR3_SHIFT : + MSCH0_MAINDDR3_SHIFT); + rk_clrsetreg(&grf->soc_con0, mask, val); +} + +static void ddr_set_en_bst_odt(struct rk3288_grf *grf, uint channel, + bool enable, bool enable_bst, bool enable_odt) +{ + uint mask; + bool disable_bst = !enable_bst; + + mask = channel ? + (1 << LPDDR3_EN1_SHIFT | 1 << UPCTL1_BST_DIABLE_SHIFT | + 1 << UPCTL1_LPDDR3_ODT_EN_SHIFT) : + (1 << LPDDR3_EN0_SHIFT | 1 << UPCTL0_BST_DIABLE_SHIFT | + 1 << UPCTL0_LPDDR3_ODT_EN_SHIFT); + rk_clrsetreg(&grf->soc_con2, mask, + enable << (channel ? LPDDR3_EN1_SHIFT : LPDDR3_EN0_SHIFT) | + disable_bst << (channel ? UPCTL1_BST_DIABLE_SHIFT : + UPCTL0_BST_DIABLE_SHIFT) | + enable_odt << (channel ? UPCTL1_LPDDR3_ODT_EN_SHIFT : + UPCTL0_LPDDR3_ODT_EN_SHIFT)); +} + +static void pctl_cfg(int channel, struct rk3288_ddr_pctl *pctl, + struct rk3288_sdram_params *sdram_params, + struct rk3288_grf *grf) +{ + unsigned int burstlen; + + burstlen = (sdram_params->base.noc_timing >> 18) & 0x7; + copy_to_reg(&pctl->togcnt1u, &sdram_params->pctl_timing.togcnt1u, + sizeof(sdram_params->pctl_timing)); + switch (sdram_params->base.dramtype) { + case LPDDR3: + writel(sdram_params->pctl_timing.tcl - 1, + &pctl->dfitrddataen); + writel(sdram_params->pctl_timing.tcwl, + &pctl->dfitphywrlat); + burstlen >>= 1; + writel(LPDDR2_S4 | 0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | + LPDDR2_EN | burstlen << BURSTLENGTH_SHIFT | + (6 - 4) << TFAW_SHIFT | PD_EXIT_FAST | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + ddr_set_ddr3_mode(grf, channel, false); + ddr_set_enable(grf, channel, true); + ddr_set_en_bst_odt(grf, channel, true, false, + sdram_params->base.odt); + break; + case DDR3: + if (sdram_params->phy_timing.mr[1] & DDR3_DLL_DISABLE) { + writel(sdram_params->pctl_timing.tcl - 3, + &pctl->dfitrddataen); + } else { + writel(sdram_params->pctl_timing.tcl - 2, + &pctl->dfitrddataen); + } + writel(sdram_params->pctl_timing.tcwl - 1, + &pctl->dfitphywrlat); + writel(0 << MDDR_LPDDR2_CLK_STOP_IDLE_SHIFT | DDR3_EN | + DDR2_DDR3_BL_8 | (6 - 4) << TFAW_SHIFT | PD_EXIT_SLOW | + 1 << PD_TYPE_SHIFT | 0 << PD_IDLE_SHIFT, + &pctl->mcfg); + ddr_set_ddr3_mode(grf, channel, true); + ddr_set_enable(grf, channel, true); + + ddr_set_en_bst_odt(grf, channel, false, true, false); + break; + } + + setbits_le32(&pctl->scfg, 1); +} + +static void phy_cfg(const struct chan_info *chan, int channel, + struct rk3288_sdram_params *sdram_params) +{ + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_msch *msch = chan->msch; + uint ddr_freq_mhz = sdram_params->base.ddr_freq / 1000000; + u32 dinit2, tmp; + int i; + + dinit2 = DIV_ROUND_UP(ddr_freq_mhz * 200000, 1000); + /* DDR PHY Timing */ + copy_to_reg(&publ->dtpr[0], &sdram_params->phy_timing.dtpr0, + sizeof(sdram_params->phy_timing)); + writel(sdram_params->base.noc_timing, &msch->ddrtiming); + writel(0x3f, &msch->readlatency); + writel(sdram_params->base.noc_activate, &msch->activate); + writel(2 << BUSWRTORD_SHIFT | 2 << BUSRDTOWR_SHIFT | + 1 << BUSRDTORD_SHIFT, &msch->devtodev); + writel(DIV_ROUND_UP(ddr_freq_mhz * 5120, 1000) << PRT_DLLLOCK_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 50, 1000) << PRT_DLLSRST_SHIFT | + 8 << PRT_ITMSRST_SHIFT, &publ->ptr[0]); + writel(DIV_ROUND_UP(ddr_freq_mhz * 500000, 1000) << PRT_DINIT0_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 400, 1000) << PRT_DINIT1_SHIFT, + &publ->ptr[1]); + writel(min(dinit2, 0x1ffffU) << PRT_DINIT2_SHIFT | + DIV_ROUND_UP(ddr_freq_mhz * 1000, 1000) << PRT_DINIT3_SHIFT, + &publ->ptr[2]); + + switch (sdram_params->base.dramtype) { + case LPDDR3: + clrsetbits_le32(&publ->pgcr, 0x1F, + 0 << PGCR_DFTLMT_SHIFT | + 0 << PGCR_DFTCMP_SHIFT | + 1 << PGCR_DQSCFG_SHIFT | + 0 << PGCR_ITMDMD_SHIFT); + /* DDRMODE select LPDDR3 */ + clrsetbits_le32(&publ->dcr, DDRMD_MASK << DDRMD_SHIFT, + DDRMD_LPDDR2_LPDDR3 << DDRMD_SHIFT); + clrsetbits_le32(&publ->dxccr, + DQSNRES_MASK << DQSNRES_SHIFT | + DQSRES_MASK << DQSRES_SHIFT, + 4 << DQSRES_SHIFT | 0xc << DQSNRES_SHIFT); + tmp = readl(&publ->dtpr[1]); + tmp = ((tmp >> TDQSCKMAX_SHIFT) & TDQSCKMAX_MASK) - + ((tmp >> TDQSCK_SHIFT) & TDQSCK_MASK); + clrsetbits_le32(&publ->dsgcr, + DQSGE_MASK << DQSGE_SHIFT | + DQSGX_MASK << DQSGX_SHIFT, + tmp << DQSGE_SHIFT | tmp << DQSGX_SHIFT); + break; + case DDR3: + clrbits_le32(&publ->pgcr, 0x1f); + clrsetbits_le32(&publ->dcr, DDRMD_MASK << DDRMD_SHIFT, + DDRMD_DDR3 << DDRMD_SHIFT); + break; + } + if (sdram_params->base.odt) { + /*dynamic RTT enable */ + for (i = 0; i < 4; i++) + setbits_le32(&publ->datx8[i].dxgcr, DQSRTT | DQRTT); + } else { + /*dynamic RTT disable */ + for (i = 0; i < 4; i++) + clrbits_le32(&publ->datx8[i].dxgcr, DQSRTT | DQRTT); + } +} + +static void phy_init(struct rk3288_ddr_publ *publ) +{ + setbits_le32(&publ->pir, PIR_INIT | PIR_DLLSRST + | PIR_DLLLOCK | PIR_ZCAL | PIR_ITMSRST | PIR_CLRSR); + udelay(1); + while ((readl(&publ->pgsr) & + (PGSR_IDONE | PGSR_DLDONE | PGSR_ZCDONE)) != + (PGSR_IDONE | PGSR_DLDONE | PGSR_ZCDONE)) + ; +} + +static void send_command(struct rk3288_ddr_pctl *pctl, u32 rank, + u32 cmd, u32 arg) +{ + writel((START_CMD | (rank << 20) | arg | cmd), &pctl->mcmd); + udelay(1); + while (readl(&pctl->mcmd) & START_CMD) + ; +} + +static inline void send_command_op(struct rk3288_ddr_pctl *pctl, + u32 rank, u32 cmd, u32 ma, u32 op) +{ + send_command(pctl, rank, cmd, (ma & LPDDR2_MA_MASK) << LPDDR2_MA_SHIFT | + (op & LPDDR2_OP_MASK) << LPDDR2_OP_SHIFT); +} + +static void memory_init(struct rk3288_ddr_publ *publ, + u32 dramtype) +{ + setbits_le32(&publ->pir, + (PIR_INIT | PIR_DRAMINIT | PIR_LOCKBYP + | PIR_ZCALBYP | PIR_CLRSR | PIR_ICPC + | (dramtype == DDR3 ? PIR_DRAMRST : 0))); + udelay(1); + while ((readl(&publ->pgsr) & (PGSR_IDONE | PGSR_DLDONE)) + != (PGSR_IDONE | PGSR_DLDONE)) + ; +} + +static void move_to_config_state(struct rk3288_ddr_publ *publ, + struct rk3288_ddr_pctl *pctl) +{ + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MSK; + + switch (state) { + case LOW_POWER: + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) + != ACCESS) + ; + /* wait DLL lock */ + while ((readl(&publ->pgsr) & PGSR_DLDONE) + != PGSR_DLDONE) + ; + /* + * if at low power state,need wakeup first, + * and then enter the config + * so here no break. + */ + case ACCESS: + /* no break */ + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != CONFIG) + ; + break; + case CONFIG: + return; + default: + break; + } + } +} + +static void set_bandwidth_ratio(const struct chan_info *chan, int channel, + u32 n, struct rk3288_grf *grf) +{ + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_msch *msch = chan->msch; + + if (n == 1) { + setbits_le32(&pctl->ppcfg, 1); + rk_setreg(&grf->soc_con0, 1 << (8 + channel)); + setbits_le32(&msch->ddrtiming, 1 << 31); + /* Data Byte disable*/ + clrbits_le32(&publ->datx8[2].dxgcr, 1); + clrbits_le32(&publ->datx8[3].dxgcr, 1); + /* disable DLL */ + setbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLDIS); + setbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLDIS); + } else { + clrbits_le32(&pctl->ppcfg, 1); + rk_clrreg(&grf->soc_con0, 1 << (8 + channel)); + clrbits_le32(&msch->ddrtiming, 1 << 31); + /* Data Byte enable*/ + setbits_le32(&publ->datx8[2].dxgcr, 1); + setbits_le32(&publ->datx8[3].dxgcr, 1); + + /* enable DLL */ + clrbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLDIS); + clrbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLDIS); + /* reset DLL */ + clrbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLSRST); + clrbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLSRST); + udelay(10); + setbits_le32(&publ->datx8[2].dxdllcr, DXDLLCR_DLLSRST); + setbits_le32(&publ->datx8[3].dxdllcr, DXDLLCR_DLLSRST); + } + setbits_le32(&pctl->dfistcfg0, 1 << 2); +} + +static int data_training(const struct chan_info *chan, int channel, + struct rk3288_sdram_params *sdram_params) +{ + unsigned int j; + int ret = 0; + u32 rank; + int i; + u32 step[2] = { PIR_QSTRN, PIR_RVTRN }; + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_ddr_pctl *pctl = chan->pctl; + + /* disable auto refresh */ + writel(0, &pctl->trefi); + + if (sdram_params->base.dramtype != LPDDR3) + setbits_le32(&publ->pgcr, 1 << PGCR_DQSCFG_SHIFT); + rank = sdram_params->ch[channel].rank | 1; + for (j = 0; j < ARRAY_SIZE(step); j++) { + /* + * trigger QSTRN and RVTRN + * clear DTDONE status + */ + setbits_le32(&publ->pir, PIR_CLRSR); + + /* trigger DTT */ + setbits_le32(&publ->pir, + PIR_INIT | step[j] | PIR_LOCKBYP | PIR_ZCALBYP | + PIR_CLRSR); + udelay(1); + /* wait echo byte DTDONE */ + while ((readl(&publ->datx8[0].dxgsr[0]) & rank) + != rank) + ; + while ((readl(&publ->datx8[1].dxgsr[0]) & rank) + != rank) + ; + if (!(readl(&pctl->ppcfg) & 1)) { + while ((readl(&publ->datx8[2].dxgsr[0]) + & rank) != rank) + ; + while ((readl(&publ->datx8[3].dxgsr[0]) + & rank) != rank) + ; + } + if (readl(&publ->pgsr) & + (PGSR_DTERR | PGSR_RVERR | PGSR_RVEIRR)) { + ret = -1; + break; + } + } + /* send some auto refresh to complement the lost while DTT */ + for (i = 0; i < (rank > 1 ? 8 : 4); i++) + send_command(pctl, rank, REF_CMD, 0); + + if (sdram_params->base.dramtype != LPDDR3) + clrbits_le32(&publ->pgcr, 1 << PGCR_DQSCFG_SHIFT); + + /* resume auto refresh */ + writel(sdram_params->pctl_timing.trefi, &pctl->trefi); + + return ret; +} + +static void move_to_access_state(const struct chan_info *chan) +{ + struct rk3288_ddr_publ *publ = chan->publ; + struct rk3288_ddr_pctl *pctl = chan->pctl; + unsigned int state; + + while (1) { + state = readl(&pctl->stat) & PCTL_STAT_MSK; + + switch (state) { + case LOW_POWER: + if (((readl(&pctl->stat) >> LP_TRIG_SHIFT) & + LP_TRIG_MASK) == 1) + return; + + writel(WAKEUP_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != ACCESS) + ; + /* wait DLL lock */ + while ((readl(&publ->pgsr) & PGSR_DLDONE) + != PGSR_DLDONE) + ; + break; + case INIT_MEM: + writel(CFG_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) != CONFIG) + ; + case CONFIG: + writel(GO_STATE, &pctl->sctl); + while ((readl(&pctl->stat) & PCTL_STAT_MSK) == CONFIG) + ; + break; + case ACCESS: + return; + default: + break; + } + } +} + +static void dram_cfg_rbc(const struct chan_info *chan, u32 chnum, + struct rk3288_sdram_params *sdram_params) +{ + struct rk3288_ddr_publ *publ = chan->publ; + + if (sdram_params->ch[chnum].bk == 3) + clrsetbits_le32(&publ->dcr, PDQ_MASK << PDQ_SHIFT, + 1 << PDQ_SHIFT); + else + clrbits_le32(&publ->dcr, PDQ_MASK << PDQ_SHIFT); + + writel(sdram_params->base.ddrconfig, &chan->msch->ddrconf); +} + +static void dram_all_config(const struct dram_info *dram, + struct rk3288_sdram_params *sdram_params) +{ + unsigned int chan; + u32 sys_reg = 0; + + sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT; + sys_reg |= (sdram_params->num_channels - 1) << SYS_REG_NUM_CH_SHIFT; + for (chan = 0; chan < sdram_params->num_channels; chan++) { + const struct rk3288_sdram_channel *info = + &sdram_params->ch[chan]; + + sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(chan); + sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(chan); + sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(chan); + sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(chan); + sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(chan); + sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(chan); + sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(chan); + sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(chan); + sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(chan); + + dram_cfg_rbc(&dram->chan[chan], chan, sdram_params); + } + writel(sys_reg, &dram->pmu->sys_reg[2]); + rk_clrsetreg(&dram->sgrf->soc_con2, 0x1f, sdram_params->base.stride); +} + +static int sdram_rank_bw_detect(struct dram_info *dram, int channel, + struct rk3288_sdram_params *sdram_params) +{ + int reg; + int need_trainig = 0; + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_publ *publ = chan->publ; + + if (data_training(chan, channel, sdram_params) < 0) { + reg = readl(&publ->datx8[0].dxgsr[0]); + /* Check the result for rank 0 */ + if ((channel == 0) && (reg & DQS_GATE_TRAINING_ERROR_RANK0)) { + debug("data training fail!\n"); + return -EIO; + } else if ((channel == 1) && + (reg & DQS_GATE_TRAINING_ERROR_RANK0)) { + sdram_params->num_channels = 1; + } + + /* Check the result for rank 1 */ + if (reg & DQS_GATE_TRAINING_ERROR_RANK1) { + sdram_params->ch[channel].rank = 1; + clrsetbits_le32(&publ->pgcr, 0xF << 18, + sdram_params->ch[channel].rank << 18); + need_trainig = 1; + } + reg = readl(&publ->datx8[2].dxgsr[0]); + if (reg & (1 << 4)) { + sdram_params->ch[channel].bw = 1; + set_bandwidth_ratio(chan, channel, + sdram_params->ch[channel].bw, + dram->grf); + need_trainig = 1; + } + } + /* Assume the Die bit width are the same with the chip bit width */ + sdram_params->ch[channel].dbw = sdram_params->ch[channel].bw; + + if (need_trainig && + (data_training(chan, channel, sdram_params) < 0)) { + if (sdram_params->base.dramtype == LPDDR3) { + ddr_phy_ctl_reset(dram->cru, channel, 1); + udelay(10); + ddr_phy_ctl_reset(dram->cru, channel, 0); + udelay(10); + } + debug("2nd data training failed!"); + return -EIO; + } + + return 0; +} + +static int sdram_col_row_detect(struct dram_info *dram, int channel, + struct rk3288_sdram_params *sdram_params) +{ + int row, col; + unsigned int addr; + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + int ret = 0; + + /* Detect col */ + for (col = 11; col >= 9; col--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + + (1 << (col + sdram_params->ch[channel].bw - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (col == 8) { + printf("Col detect error\n"); + ret = -EINVAL; + goto out; + } else { + sdram_params->ch[channel].col = col; + } + + move_to_config_state(publ, pctl); + writel(4, &chan->msch->ddrconf); + move_to_access_state(chan); + /* Detect row*/ + for (row = 16; row >= 12; row--) { + writel(0, CONFIG_SYS_SDRAM_BASE); + addr = CONFIG_SYS_SDRAM_BASE + (1 << (row + 15 - 1)); + writel(TEST_PATTEN, addr); + if ((readl(addr) == TEST_PATTEN) && + (readl(CONFIG_SYS_SDRAM_BASE) == 0)) + break; + } + if (row == 11) { + printf("Row detect error\n"); + ret = -EINVAL; + } else { + sdram_params->ch[channel].cs1_row = row; + sdram_params->ch[channel].row_3_4 = 0; + debug("chn %d col %d, row %d\n", channel, col, row); + sdram_params->ch[channel].cs0_row = row; + } + +out: + return ret; +} + +static int sdram_get_niu_config(struct rk3288_sdram_params *sdram_params) +{ + int i, tmp, size, ret = 0; + + tmp = sdram_params->ch[0].col - 9; + tmp -= (sdram_params->ch[0].bw == 2) ? 0 : 1; + tmp |= ((sdram_params->ch[0].cs0_row - 12) << 4); + size = sizeof(ddrconf_table)/sizeof(ddrconf_table[0]); + for (i = 0; i < size; i++) + if (tmp == ddrconf_table[i]) + break; + if (i >= size) { + printf("niu config not found\n"); + ret = -EINVAL; + } else { + sdram_params->base.ddrconfig = i; + } + + return ret; +} + +static int sdram_get_stride(struct rk3288_sdram_params *sdram_params) +{ + int stride = -1; + int ret = 0; + long cap = sdram_params->num_channels * (1u << + (sdram_params->ch[0].cs0_row + + sdram_params->ch[0].col + + (sdram_params->ch[0].rank - 1) + + sdram_params->ch[0].bw + + 3 - 20)); + + switch (cap) { + case 512: + stride = 0; + break; + case 1024: + stride = 5; + break; + case 2048: + stride = 9; + break; + case 4096: + stride = 0xd; + break; + default: + stride = -1; + printf("could not find correct stride, cap error!\n"); + ret = -EINVAL; + break; + } + sdram_params->base.stride = stride; + + return ret; +} + +static int sdram_init(struct dram_info *dram, + struct rk3288_sdram_params *sdram_params) +{ + int channel; + int zqcr; + int ret; + + debug("%s start\n", __func__); + if ((sdram_params->base.dramtype == DDR3 && + sdram_params->base.ddr_freq > 800000000) || + (sdram_params->base.dramtype == LPDDR3 && + sdram_params->base.ddr_freq > 533000000)) { + debug("SDRAM frequency is too high!"); + return -E2BIG; + } + + debug("ddr clk dpll\n"); + ret = clk_set_rate(&dram->ddr_clk, sdram_params->base.ddr_freq); + debug("ret=%d\n", ret); + if (ret) { + debug("Could not set DDR clock\n"); + return ret; + } + + for (channel = 0; channel < 2; channel++) { + const struct chan_info *chan = &dram->chan[channel]; + struct rk3288_ddr_pctl *pctl = chan->pctl; + struct rk3288_ddr_publ *publ = chan->publ; + + /* map all the 4GB space to the current channel */ + if (channel) + rk_clrsetreg(&dram->sgrf->soc_con2, 0x1f, 0x17); + else + rk_clrsetreg(&dram->sgrf->soc_con2, 0x1f, 0x1a); + phy_pctrl_reset(dram->cru, publ, channel); + phy_dll_bypass_set(publ, sdram_params->base.ddr_freq); + + dfi_cfg(pctl, sdram_params->base.dramtype); + + pctl_cfg(channel, pctl, sdram_params, dram->grf); + + phy_cfg(chan, channel, sdram_params); + + phy_init(publ); + + writel(POWER_UP_START, &pctl->powctl); + while (!(readl(&pctl->powstat) & POWER_UP_DONE)) + ; + + memory_init(publ, sdram_params->base.dramtype); + move_to_config_state(publ, pctl); + + if (sdram_params->base.dramtype == LPDDR3) { + send_command(pctl, 3, DESELECT_CMD, 0); + udelay(1); + send_command(pctl, 3, PREA_CMD, 0); + udelay(1); + send_command_op(pctl, 3, MRS_CMD, 63, 0xfc); + udelay(1); + send_command_op(pctl, 3, MRS_CMD, 1, + sdram_params->phy_timing.mr[1]); + udelay(1); + send_command_op(pctl, 3, MRS_CMD, 2, + sdram_params->phy_timing.mr[2]); + udelay(1); + send_command_op(pctl, 3, MRS_CMD, 3, + sdram_params->phy_timing.mr[3]); + udelay(1); + } + + /* Using 32bit bus width for detect */ + sdram_params->ch[channel].bw = 2; + set_bandwidth_ratio(chan, channel, + sdram_params->ch[channel].bw, dram->grf); + /* + * set cs, using n=3 for detect + * CS0, n=1 + * CS1, n=2 + * CS0 & CS1, n = 3 + */ + sdram_params->ch[channel].rank = 2, + clrsetbits_le32(&publ->pgcr, 0xF << 18, + (sdram_params->ch[channel].rank | 1) << 18); + + /* DS=40ohm,ODT=155ohm */ + zqcr = 1 << ZDEN_SHIFT | 2 << PU_ONDIE_SHIFT | + 2 << PD_ONDIE_SHIFT | 0x19 << PU_OUTPUT_SHIFT | + 0x19 << PD_OUTPUT_SHIFT; + writel(zqcr, &publ->zq1cr[0]); + writel(zqcr, &publ->zq0cr[0]); + + if (sdram_params->base.dramtype == LPDDR3) { + /* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */ + udelay(10); + send_command_op(pctl, + sdram_params->ch[channel].rank | 1, + MRS_CMD, 11, + sdram_params->base.odt ? 3 : 0); + if (channel == 0) { + writel(0, &pctl->mrrcfg0); + send_command_op(pctl, 1, MRR_CMD, 8, 0); + /* S8 */ + if ((readl(&pctl->mrrstat0) & 0x3) != 3) { + debug("failed!"); + return -EREMOTEIO; + } + } + } + + /* Detect the rank and bit-width with data-training */ + sdram_rank_bw_detect(dram, channel, sdram_params); + + if (sdram_params->base.dramtype == LPDDR3) { + u32 i; + writel(0, &pctl->mrrcfg0); + for (i = 0; i < 17; i++) + send_command_op(pctl, 1, MRR_CMD, i, 0); + } + writel(15, &chan->msch->ddrconf); + move_to_access_state(chan); + /* DDR3 and LPDDR3 are always 8 bank, no need detect */ + sdram_params->ch[channel].bk = 3; + /* Detect Col and Row number*/ + ret = sdram_col_row_detect(dram, channel, sdram_params); + if (ret) + goto error; + } + /* Find NIU DDR configuration */ + ret = sdram_get_niu_config(sdram_params); + if (ret) + goto error; + /* Find stride setting */ + ret = sdram_get_stride(sdram_params); + if (ret) + goto error; + + dram_all_config(dram, sdram_params); + debug("%s done\n", __func__); + + return 0; +error: + printf("DRAM init failed!\n"); + hang(); +} + +# ifdef CONFIG_ROCKCHIP_FAST_SPL +static int veyron_init(struct dram_info *priv) +{ + struct udevice *pmic; + int ret; + + ret = uclass_first_device_err(UCLASS_PMIC, &pmic); + if (ret) + return ret; + + /* Slowly raise to max CPU voltage to prevent overshoot */ + ret = rk8xx_spl_configure_buck(pmic, 1, 1200000); + if (ret) + return ret; + udelay(175);/* Must wait for voltage to stabilize, 2mV/us */ + ret = rk8xx_spl_configure_buck(pmic, 1, 1400000); + if (ret) + return ret; + udelay(100);/* Must wait for voltage to stabilize, 2mV/us */ + + rk3288_clk_configure_cpu(priv->cru, priv->grf); + + return 0; +} +# endif + +static int setup_sdram(struct udevice *dev) +{ + struct dram_info *priv = dev_get_priv(dev); + struct rk3288_sdram_params *params = dev_get_platdata(dev); + +# ifdef CONFIG_ROCKCHIP_FAST_SPL + if (priv->is_veyron) { + int ret; + + ret = veyron_init(priv); + if (ret) + return ret; + } +# endif + + return sdram_init(priv, params); +} + +static int rk3288_dmc_ofdata_to_platdata(struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3288_sdram_params *params = dev_get_platdata(dev); + int ret; + + /* Rk3288 supports dual-channel, set default channel num to 2 */ + params->num_channels = 2; + ret = dev_read_u32_array(dev, "rockchip,pctl-timing", + (u32 *)¶ms->pctl_timing, + sizeof(params->pctl_timing) / sizeof(u32)); + if (ret) { + debug("%s: Cannot read rockchip,pctl-timing\n", __func__); + return -EINVAL; + } + ret = dev_read_u32_array(dev, "rockchip,phy-timing", + (u32 *)¶ms->phy_timing, + sizeof(params->phy_timing) / sizeof(u32)); + if (ret) { + debug("%s: Cannot read rockchip,phy-timing\n", __func__); + return -EINVAL; + } + ret = dev_read_u32_array(dev, "rockchip,sdram-params", + (u32 *)¶ms->base, + sizeof(params->base) / sizeof(u32)); + if (ret) { + debug("%s: Cannot read rockchip,sdram-params\n", __func__); + return -EINVAL; + } +#ifdef CONFIG_ROCKCHIP_FAST_SPL + struct dram_info *priv = dev_get_priv(dev); + + priv->is_veyron = !fdt_node_check_compatible(blob, 0, "google,veyron"); +#endif + ret = regmap_init_mem(dev, ¶ms->map); + if (ret) + return ret; +#endif + + return 0; +} +#endif /* CONFIG_SPL_BUILD */ + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int conv_of_platdata(struct udevice *dev) +{ + struct rk3288_sdram_params *plat = dev_get_platdata(dev); + struct dtd_rockchip_rk3288_dmc *of_plat = &plat->of_plat; + int ret; + + memcpy(&plat->pctl_timing, of_plat->rockchip_pctl_timing, + sizeof(plat->pctl_timing)); + memcpy(&plat->phy_timing, of_plat->rockchip_phy_timing, + sizeof(plat->phy_timing)); + memcpy(&plat->base, of_plat->rockchip_sdram_params, sizeof(plat->base)); + /* Rk3288 supports dual-channel, set default channel num to 2 */ + plat->num_channels = 2; + ret = regmap_init_mem_platdata(dev, of_plat->reg, + ARRAY_SIZE(of_plat->reg) / 2, + &plat->map); + if (ret) + return ret; + + return 0; +} +#endif + +static int rk3288_dmc_probe(struct udevice *dev) +{ +#ifdef CONFIG_SPL_BUILD + struct rk3288_sdram_params *plat = dev_get_platdata(dev); + struct udevice *dev_clk; + struct regmap *map; + int ret; +#endif + struct dram_info *priv = dev_get_priv(dev); + + priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); +#ifdef CONFIG_SPL_BUILD +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = conv_of_platdata(dev); + if (ret) + return ret; +#endif + map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_NOC); + if (IS_ERR(map)) + return PTR_ERR(map); + priv->chan[0].msch = regmap_get_range(map, 0); + priv->chan[1].msch = (struct rk3288_msch *) + (regmap_get_range(map, 0) + 0x80); + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + priv->sgrf = syscon_get_first_range(ROCKCHIP_SYSCON_SGRF); + + priv->chan[0].pctl = regmap_get_range(plat->map, 0); + priv->chan[0].publ = regmap_get_range(plat->map, 1); + priv->chan[1].pctl = regmap_get_range(plat->map, 2); + priv->chan[1].publ = regmap_get_range(plat->map, 3); + + ret = rockchip_get_clk(&dev_clk); + if (ret) + return ret; + priv->ddr_clk.id = CLK_DDR; + ret = clk_request(dev_clk, &priv->ddr_clk); + if (ret) + return ret; + + priv->cru = rockchip_get_cru(); + if (IS_ERR(priv->cru)) + return PTR_ERR(priv->cru); + ret = setup_sdram(dev); + if (ret) + return ret; +#else + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->pmu->sys_reg[2]); +#endif + + return 0; +} + +static int rk3288_dmc_get_info(struct udevice *dev, struct ram_info *info) +{ + struct dram_info *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops rk3288_dmc_ops = { + .get_info = rk3288_dmc_get_info, +}; + +static const struct udevice_id rk3288_dmc_ids[] = { + { .compatible = "rockchip,rk3288-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk3288) = { + .name = "rockchip_rk3288_dmc", + .id = UCLASS_RAM, + .of_match = rk3288_dmc_ids, + .ops = &rk3288_dmc_ops, +#ifdef CONFIG_SPL_BUILD + .ofdata_to_platdata = rk3288_dmc_ofdata_to_platdata, +#endif + .probe = rk3288_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +#ifdef CONFIG_SPL_BUILD + .platdata_auto_alloc_size = sizeof(struct rk3288_sdram_params), +#endif +}; diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c new file mode 100644 index 00000000000..9637a35e231 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3328.c @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <dm.h> +#include <ram.h> +#include <syscon.h> +#include <asm/arch/clock.h> +#include <asm/arch/grf_rk3328.h> +#include <asm/arch/sdram_common.h> + +DECLARE_GLOBAL_DATA_PTR; +struct dram_info { + struct ram_info info; + struct rk3328_grf_regs *grf; +}; + +static int rk3328_dmc_probe(struct udevice *dev) +{ + struct dram_info *priv = dev_get_priv(dev); + + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + debug("%s: grf=%p\n", __func__, priv->grf); + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->grf->os_reg[2]); + + return 0; +} + +static int rk3328_dmc_get_info(struct udevice *dev, struct ram_info *info) +{ + struct dram_info *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops rk3328_dmc_ops = { + .get_info = rk3328_dmc_get_info, +}; + + +static const struct udevice_id rk3328_dmc_ids[] = { + { .compatible = "rockchip,rk3328-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk3328) = { + .name = "rockchip_rk3328_dmc", + .id = UCLASS_RAM, + .of_match = rk3328_dmc_ids, + .ops = &rk3328_dmc_ops, + .probe = rk3328_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +}; diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c new file mode 100644 index 00000000000..76c1fe80a7f --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -0,0 +1,1238 @@ +/* + * (C) Copyright 2016-2017 Rockchip Inc. + * + * SPDX-License-Identifier: GPL-2.0 + * + * Adapted from coreboot. + */ + +#include <common.h> +#include <clk.h> +#include <dm.h> +#include <dt-structs.h> +#include <ram.h> +#include <regmap.h> +#include <syscon.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/sdram_common.h> +#include <asm/arch/sdram_rk3399.h> +#include <asm/arch/cru_rk3399.h> +#include <asm/arch/grf_rk3399.h> +#include <asm/arch/hardware.h> +#include <linux/err.h> +#include <time.h> + +DECLARE_GLOBAL_DATA_PTR; +struct chan_info { + struct rk3399_ddr_pctl_regs *pctl; + struct rk3399_ddr_pi_regs *pi; + struct rk3399_ddr_publ_regs *publ; + struct rk3399_msch_regs *msch; +}; + +struct dram_info { +#ifdef CONFIG_SPL_BUILD + struct chan_info chan[2]; + struct clk ddr_clk; + struct rk3399_cru *cru; + struct rk3399_pmucru *pmucru; + struct rk3399_pmusgrf_regs *pmusgrf; + struct rk3399_ddr_cic_regs *cic; +#endif + struct ram_info info; + struct rk3399_pmugrf_regs *pmugrf; +}; + +#define PRESET_SGRF_HOLD(n) ((0x1 << (6 + 16)) | ((n) << 6)) +#define PRESET_GPIO0_HOLD(n) ((0x1 << (7 + 16)) | ((n) << 7)) +#define PRESET_GPIO1_HOLD(n) ((0x1 << (8 + 16)) | ((n) << 8)) + +#define PHY_DRV_ODT_Hi_Z 0x0 +#define PHY_DRV_ODT_240 0x1 +#define PHY_DRV_ODT_120 0x8 +#define PHY_DRV_ODT_80 0x9 +#define PHY_DRV_ODT_60 0xc +#define PHY_DRV_ODT_48 0xd +#define PHY_DRV_ODT_40 0xe +#define PHY_DRV_ODT_34_3 0xf + +#ifdef CONFIG_SPL_BUILD + +struct rockchip_dmc_plat { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3399_dmc dtplat; +#else + struct rk3399_sdram_params sdram_params; +#endif + struct regmap *map; +}; + +static void copy_to_reg(u32 *dest, const u32 *src, u32 n) +{ + int i; + + for (i = 0; i < n / sizeof(u32); i++) { + writel(*src, dest); + src++; + dest++; + } +} + +static void phy_dll_bypass_set(struct rk3399_ddr_publ_regs *ddr_publ_regs, + u32 freq) +{ + u32 *denali_phy = ddr_publ_regs->denali_phy; + + /* From IP spec, only freq small than 125 can enter dll bypass mode */ + if (freq <= 125) { + /* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */ + setbits_le32(&denali_phy[86], (0x3 << 2) << 8); + setbits_le32(&denali_phy[214], (0x3 << 2) << 8); + setbits_le32(&denali_phy[342], (0x3 << 2) << 8); + setbits_le32(&denali_phy[470], (0x3 << 2) << 8); + + /* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */ + setbits_le32(&denali_phy[547], (0x3 << 2) << 16); + setbits_le32(&denali_phy[675], (0x3 << 2) << 16); + setbits_le32(&denali_phy[803], (0x3 << 2) << 16); + } else { + /* phy_sw_master_mode_X PHY_86/214/342/470 4bits offset_8 */ + clrbits_le32(&denali_phy[86], (0x3 << 2) << 8); + clrbits_le32(&denali_phy[214], (0x3 << 2) << 8); + clrbits_le32(&denali_phy[342], (0x3 << 2) << 8); + clrbits_le32(&denali_phy[470], (0x3 << 2) << 8); + + /* phy_adrctl_sw_master_mode PHY_547/675/803 4bits offset_16 */ + clrbits_le32(&denali_phy[547], (0x3 << 2) << 16); + clrbits_le32(&denali_phy[675], (0x3 << 2) << 16); + clrbits_le32(&denali_phy[803], (0x3 << 2) << 16); + } +} + +static void set_memory_map(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + const struct rk3399_sdram_channel *sdram_ch = + &sdram_params->ch[channel]; + u32 *denali_ctl = chan->pctl->denali_ctl; + u32 *denali_pi = chan->pi->denali_pi; + u32 cs_map; + u32 reduc; + u32 row; + + /* Get row number from ddrconfig setting */ + if (sdram_ch->ddrconfig < 2 || sdram_ch->ddrconfig == 4) + row = 16; + else if (sdram_ch->ddrconfig == 3) + row = 14; + else + row = 15; + + cs_map = (sdram_ch->rank > 1) ? 3 : 1; + reduc = (sdram_ch->bw == 2) ? 0 : 1; + + /* Set the dram configuration to ctrl */ + clrsetbits_le32(&denali_ctl[191], 0xF, (12 - sdram_ch->col)); + clrsetbits_le32(&denali_ctl[190], (0x3 << 16) | (0x7 << 24), + ((3 - sdram_ch->bk) << 16) | + ((16 - row) << 24)); + + clrsetbits_le32(&denali_ctl[196], 0x3 | (1 << 16), + cs_map | (reduc << 16)); + + /* PI_199 PI_COL_DIFF:RW:0:4 */ + clrsetbits_le32(&denali_pi[199], 0xF, (12 - sdram_ch->col)); + + /* PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2 */ + clrsetbits_le32(&denali_pi[155], (0x3 << 16) | (0x7 << 24), + ((3 - sdram_ch->bk) << 16) | + ((16 - row) << 24)); + /* PI_41 PI_CS_MAP:RW:24:4 */ + clrsetbits_le32(&denali_pi[41], 0xf << 24, cs_map << 24); + if ((sdram_ch->rank == 1) && (sdram_params->base.dramtype == DDR3)) + writel(0x2EC7FFFF, &denali_pi[34]); +} + +static void set_ds_odt(const struct chan_info *chan, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_phy = chan->publ->denali_phy; + + u32 tsel_idle_en, tsel_wr_en, tsel_rd_en; + u32 tsel_idle_select_p, tsel_wr_select_p, tsel_rd_select_p; + u32 ca_tsel_wr_select_p, ca_tsel_wr_select_n; + u32 tsel_idle_select_n, tsel_wr_select_n, tsel_rd_select_n; + u32 reg_value; + + if (sdram_params->base.dramtype == LPDDR4) { + tsel_rd_select_p = PHY_DRV_ODT_Hi_Z; + tsel_wr_select_p = PHY_DRV_ODT_40; + ca_tsel_wr_select_p = PHY_DRV_ODT_40; + tsel_idle_select_p = PHY_DRV_ODT_Hi_Z; + + tsel_rd_select_n = PHY_DRV_ODT_240; + tsel_wr_select_n = PHY_DRV_ODT_40; + ca_tsel_wr_select_n = PHY_DRV_ODT_40; + tsel_idle_select_n = PHY_DRV_ODT_240; + } else if (sdram_params->base.dramtype == LPDDR3) { + tsel_rd_select_p = PHY_DRV_ODT_240; + tsel_wr_select_p = PHY_DRV_ODT_34_3; + ca_tsel_wr_select_p = PHY_DRV_ODT_48; + tsel_idle_select_p = PHY_DRV_ODT_240; + + tsel_rd_select_n = PHY_DRV_ODT_Hi_Z; + tsel_wr_select_n = PHY_DRV_ODT_34_3; + ca_tsel_wr_select_n = PHY_DRV_ODT_48; + tsel_idle_select_n = PHY_DRV_ODT_Hi_Z; + } else { + tsel_rd_select_p = PHY_DRV_ODT_240; + tsel_wr_select_p = PHY_DRV_ODT_34_3; + ca_tsel_wr_select_p = PHY_DRV_ODT_34_3; + tsel_idle_select_p = PHY_DRV_ODT_240; + + tsel_rd_select_n = PHY_DRV_ODT_240; + tsel_wr_select_n = PHY_DRV_ODT_34_3; + ca_tsel_wr_select_n = PHY_DRV_ODT_34_3; + tsel_idle_select_n = PHY_DRV_ODT_240; + } + + if (sdram_params->base.odt == 1) + tsel_rd_en = 1; + else + tsel_rd_en = 0; + + tsel_wr_en = 0; + tsel_idle_en = 0; + + /* + * phy_dq_tsel_select_X 24bits DENALI_PHY_6/134/262/390 offset_0 + * sets termination values for read/idle cycles and drive strength + * for write cycles for DQ/DM + */ + reg_value = tsel_rd_select_n | (tsel_rd_select_p << 0x4) | + (tsel_wr_select_n << 8) | (tsel_wr_select_p << 12) | + (tsel_idle_select_n << 16) | (tsel_idle_select_p << 20); + clrsetbits_le32(&denali_phy[6], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[134], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[262], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[390], 0xffffff, reg_value); + + /* + * phy_dqs_tsel_select_X 24bits DENALI_PHY_7/135/263/391 offset_0 + * sets termination values for read/idle cycles and drive strength + * for write cycles for DQS + */ + clrsetbits_le32(&denali_phy[7], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[135], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[263], 0xffffff, reg_value); + clrsetbits_le32(&denali_phy[391], 0xffffff, reg_value); + + /* phy_adr_tsel_select_ 8bits DENALI_PHY_544/672/800 offset_0 */ + reg_value = ca_tsel_wr_select_n | (ca_tsel_wr_select_p << 0x4); + clrsetbits_le32(&denali_phy[544], 0xff, reg_value); + clrsetbits_le32(&denali_phy[672], 0xff, reg_value); + clrsetbits_le32(&denali_phy[800], 0xff, reg_value); + + /* phy_pad_addr_drive 8bits DENALI_PHY_928 offset_0 */ + clrsetbits_le32(&denali_phy[928], 0xff, reg_value); + + /* phy_pad_rst_drive 8bits DENALI_PHY_937 offset_0 */ + clrsetbits_le32(&denali_phy[937], 0xff, reg_value); + + /* phy_pad_cke_drive 8bits DENALI_PHY_935 offset_0 */ + clrsetbits_le32(&denali_phy[935], 0xff, reg_value); + + /* phy_pad_cs_drive 8bits DENALI_PHY_939 offset_0 */ + clrsetbits_le32(&denali_phy[939], 0xff, reg_value); + + /* phy_pad_clk_drive 8bits DENALI_PHY_929 offset_0 */ + clrsetbits_le32(&denali_phy[929], 0xff, reg_value); + + /* phy_pad_fdbk_drive 23bit DENALI_PHY_924/925 */ + clrsetbits_le32(&denali_phy[924], 0xff, + tsel_wr_select_n | (tsel_wr_select_p << 4)); + clrsetbits_le32(&denali_phy[925], 0xff, + tsel_rd_select_n | (tsel_rd_select_p << 4)); + + /* phy_dq_tsel_enable_X 3bits DENALI_PHY_5/133/261/389 offset_16 */ + reg_value = (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) + << 16; + clrsetbits_le32(&denali_phy[5], 0x7 << 16, reg_value); + clrsetbits_le32(&denali_phy[133], 0x7 << 16, reg_value); + clrsetbits_le32(&denali_phy[261], 0x7 << 16, reg_value); + clrsetbits_le32(&denali_phy[389], 0x7 << 16, reg_value); + + /* phy_dqs_tsel_enable_X 3bits DENALI_PHY_6/134/262/390 offset_24 */ + reg_value = (tsel_rd_en | (tsel_wr_en << 1) | (tsel_idle_en << 2)) + << 24; + clrsetbits_le32(&denali_phy[6], 0x7 << 24, reg_value); + clrsetbits_le32(&denali_phy[134], 0x7 << 24, reg_value); + clrsetbits_le32(&denali_phy[262], 0x7 << 24, reg_value); + clrsetbits_le32(&denali_phy[390], 0x7 << 24, reg_value); + + /* phy_adr_tsel_enable_ 1bit DENALI_PHY_518/646/774 offset_8 */ + reg_value = tsel_wr_en << 8; + clrsetbits_le32(&denali_phy[518], 0x1 << 8, reg_value); + clrsetbits_le32(&denali_phy[646], 0x1 << 8, reg_value); + clrsetbits_le32(&denali_phy[774], 0x1 << 8, reg_value); + + /* phy_pad_addr_term tsel 1bit DENALI_PHY_933 offset_17 */ + reg_value = tsel_wr_en << 17; + clrsetbits_le32(&denali_phy[933], 0x1 << 17, reg_value); + /* + * pad_rst/cke/cs/clk_term tsel 1bits + * DENALI_PHY_938/936/940/934 offset_17 + */ + clrsetbits_le32(&denali_phy[938], 0x1 << 17, reg_value); + clrsetbits_le32(&denali_phy[936], 0x1 << 17, reg_value); + clrsetbits_le32(&denali_phy[940], 0x1 << 17, reg_value); + clrsetbits_le32(&denali_phy[934], 0x1 << 17, reg_value); + + /* phy_pad_fdbk_term 1bit DENALI_PHY_930 offset_17 */ + clrsetbits_le32(&denali_phy[930], 0x1 << 17, reg_value); +} + +static int phy_io_config(const struct chan_info *chan, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_phy = chan->publ->denali_phy; + u32 vref_mode_dq, vref_value_dq, vref_mode_ac, vref_value_ac; + u32 mode_sel; + u32 reg_value; + u32 drv_value, odt_value; + u32 speed; + + /* vref setting */ + if (sdram_params->base.dramtype == LPDDR4) { + /* LPDDR4 */ + vref_mode_dq = 0x6; + vref_value_dq = 0x1f; + vref_mode_ac = 0x6; + vref_value_ac = 0x1f; + } else if (sdram_params->base.dramtype == LPDDR3) { + if (sdram_params->base.odt == 1) { + vref_mode_dq = 0x5; /* LPDDR3 ODT */ + drv_value = (readl(&denali_phy[6]) >> 12) & 0xf; + odt_value = (readl(&denali_phy[6]) >> 4) & 0xf; + if (drv_value == PHY_DRV_ODT_48) { + switch (odt_value) { + case PHY_DRV_ODT_240: + vref_value_dq = 0x16; + break; + case PHY_DRV_ODT_120: + vref_value_dq = 0x26; + break; + case PHY_DRV_ODT_60: + vref_value_dq = 0x36; + break; + default: + debug("Invalid ODT value.\n"); + return -EINVAL; + } + } else if (drv_value == PHY_DRV_ODT_40) { + switch (odt_value) { + case PHY_DRV_ODT_240: + vref_value_dq = 0x19; + break; + case PHY_DRV_ODT_120: + vref_value_dq = 0x23; + break; + case PHY_DRV_ODT_60: + vref_value_dq = 0x31; + break; + default: + debug("Invalid ODT value.\n"); + return -EINVAL; + } + } else if (drv_value == PHY_DRV_ODT_34_3) { + switch (odt_value) { + case PHY_DRV_ODT_240: + vref_value_dq = 0x17; + break; + case PHY_DRV_ODT_120: + vref_value_dq = 0x20; + break; + case PHY_DRV_ODT_60: + vref_value_dq = 0x2e; + break; + default: + debug("Invalid ODT value.\n"); + return -EINVAL; + } + } else { + debug("Invalid DRV value.\n"); + return -EINVAL; + } + } else { + vref_mode_dq = 0x2; /* LPDDR3 */ + vref_value_dq = 0x1f; + } + vref_mode_ac = 0x2; + vref_value_ac = 0x1f; + } else if (sdram_params->base.dramtype == DDR3) { + /* DDR3L */ + vref_mode_dq = 0x1; + vref_value_dq = 0x1f; + vref_mode_ac = 0x1; + vref_value_ac = 0x1f; + } else { + debug("Unknown DRAM type.\n"); + return -EINVAL; + } + + reg_value = (vref_mode_dq << 9) | (0x1 << 8) | vref_value_dq; + + /* PHY_913 PHY_PAD_VREF_CTRL_DQ_0 12bits offset_8 */ + clrsetbits_le32(&denali_phy[913], 0xfff << 8, reg_value << 8); + /* PHY_914 PHY_PAD_VREF_CTRL_DQ_1 12bits offset_0 */ + clrsetbits_le32(&denali_phy[914], 0xfff, reg_value); + /* PHY_914 PHY_PAD_VREF_CTRL_DQ_2 12bits offset_16 */ + clrsetbits_le32(&denali_phy[914], 0xfff << 16, reg_value << 16); + /* PHY_915 PHY_PAD_VREF_CTRL_DQ_3 12bits offset_0 */ + clrsetbits_le32(&denali_phy[915], 0xfff, reg_value); + + reg_value = (vref_mode_ac << 9) | (0x1 << 8) | vref_value_ac; + + /* PHY_915 PHY_PAD_VREF_CTRL_AC 12bits offset_16 */ + clrsetbits_le32(&denali_phy[915], 0xfff << 16, reg_value << 16); + + if (sdram_params->base.dramtype == LPDDR4) + mode_sel = 0x6; + else if (sdram_params->base.dramtype == LPDDR3) + mode_sel = 0x0; + else if (sdram_params->base.dramtype == DDR3) + mode_sel = 0x1; + else + return -EINVAL; + + /* PHY_924 PHY_PAD_FDBK_DRIVE */ + clrsetbits_le32(&denali_phy[924], 0x7 << 15, mode_sel << 15); + /* PHY_926 PHY_PAD_DATA_DRIVE */ + clrsetbits_le32(&denali_phy[926], 0x7 << 6, mode_sel << 6); + /* PHY_927 PHY_PAD_DQS_DRIVE */ + clrsetbits_le32(&denali_phy[927], 0x7 << 6, mode_sel << 6); + /* PHY_928 PHY_PAD_ADDR_DRIVE */ + clrsetbits_le32(&denali_phy[928], 0x7 << 14, mode_sel << 14); + /* PHY_929 PHY_PAD_CLK_DRIVE */ + clrsetbits_le32(&denali_phy[929], 0x7 << 14, mode_sel << 14); + /* PHY_935 PHY_PAD_CKE_DRIVE */ + clrsetbits_le32(&denali_phy[935], 0x7 << 14, mode_sel << 14); + /* PHY_937 PHY_PAD_RST_DRIVE */ + clrsetbits_le32(&denali_phy[937], 0x7 << 14, mode_sel << 14); + /* PHY_939 PHY_PAD_CS_DRIVE */ + clrsetbits_le32(&denali_phy[939], 0x7 << 14, mode_sel << 14); + + + /* speed setting */ + if (sdram_params->base.ddr_freq < 400) + speed = 0x0; + else if (sdram_params->base.ddr_freq < 800) + speed = 0x1; + else if (sdram_params->base.ddr_freq < 1200) + speed = 0x2; + else + speed = 0x3; + + /* PHY_924 PHY_PAD_FDBK_DRIVE */ + clrsetbits_le32(&denali_phy[924], 0x3 << 21, speed << 21); + /* PHY_926 PHY_PAD_DATA_DRIVE */ + clrsetbits_le32(&denali_phy[926], 0x3 << 9, speed << 9); + /* PHY_927 PHY_PAD_DQS_DRIVE */ + clrsetbits_le32(&denali_phy[927], 0x3 << 9, speed << 9); + /* PHY_928 PHY_PAD_ADDR_DRIVE */ + clrsetbits_le32(&denali_phy[928], 0x3 << 17, speed << 17); + /* PHY_929 PHY_PAD_CLK_DRIVE */ + clrsetbits_le32(&denali_phy[929], 0x3 << 17, speed << 17); + /* PHY_935 PHY_PAD_CKE_DRIVE */ + clrsetbits_le32(&denali_phy[935], 0x3 << 17, speed << 17); + /* PHY_937 PHY_PAD_RST_DRIVE */ + clrsetbits_le32(&denali_phy[937], 0x3 << 17, speed << 17); + /* PHY_939 PHY_PAD_CS_DRIVE */ + clrsetbits_le32(&denali_phy[939], 0x3 << 17, speed << 17); + + return 0; +} + +static int pctl_cfg(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_ctl = chan->pctl->denali_ctl; + u32 *denali_pi = chan->pi->denali_pi; + u32 *denali_phy = chan->publ->denali_phy; + const u32 *params_ctl = sdram_params->pctl_regs.denali_ctl; + const u32 *params_phy = sdram_params->phy_regs.denali_phy; + u32 tmp, tmp1, tmp2; + u32 pwrup_srefresh_exit; + int ret; + const ulong timeout_ms = 200; + + /* + * work around controller bug: + * Do not program DRAM_CLASS until NO_PHY_IND_TRAIN_INT is programmed + */ + copy_to_reg(&denali_ctl[1], ¶ms_ctl[1], + sizeof(struct rk3399_ddr_pctl_regs) - 4); + writel(params_ctl[0], &denali_ctl[0]); + copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0], + sizeof(struct rk3399_ddr_pi_regs)); + /* rank count need to set for init */ + set_memory_map(chan, channel, sdram_params); + + writel(sdram_params->phy_regs.denali_phy[910], &denali_phy[910]); + writel(sdram_params->phy_regs.denali_phy[911], &denali_phy[911]); + writel(sdram_params->phy_regs.denali_phy[912], &denali_phy[912]); + + pwrup_srefresh_exit = readl(&denali_ctl[68]) & PWRUP_SREFRESH_EXIT; + clrbits_le32(&denali_ctl[68], PWRUP_SREFRESH_EXIT); + + /* PHY_DLL_RST_EN */ + clrsetbits_le32(&denali_phy[957], 0x3 << 24, 1 << 24); + + setbits_le32(&denali_pi[0], START); + setbits_le32(&denali_ctl[0], START); + + /* Wating for phy DLL lock */ + while (1) { + tmp = readl(&denali_phy[920]); + tmp1 = readl(&denali_phy[921]); + tmp2 = readl(&denali_phy[922]); + if ((((tmp >> 16) & 0x1) == 0x1) && + (((tmp1 >> 16) & 0x1) == 0x1) && + (((tmp1 >> 0) & 0x1) == 0x1) && + (((tmp2 >> 0) & 0x1) == 0x1)) + break; + } + + copy_to_reg(&denali_phy[896], ¶ms_phy[896], (958 - 895) * 4); + copy_to_reg(&denali_phy[0], ¶ms_phy[0], (90 - 0 + 1) * 4); + copy_to_reg(&denali_phy[128], ¶ms_phy[128], (218 - 128 + 1) * 4); + copy_to_reg(&denali_phy[256], ¶ms_phy[256], (346 - 256 + 1) * 4); + copy_to_reg(&denali_phy[384], ¶ms_phy[384], (474 - 384 + 1) * 4); + copy_to_reg(&denali_phy[512], ¶ms_phy[512], (549 - 512 + 1) * 4); + copy_to_reg(&denali_phy[640], ¶ms_phy[640], (677 - 640 + 1) * 4); + copy_to_reg(&denali_phy[768], ¶ms_phy[768], (805 - 768 + 1) * 4); + set_ds_odt(chan, sdram_params); + + /* + * phy_dqs_tsel_wr_timing_X 8bits DENALI_PHY_84/212/340/468 offset_8 + * dqs_tsel_wr_end[7:4] add Half cycle + */ + tmp = (readl(&denali_phy[84]) >> 8) & 0xff; + clrsetbits_le32(&denali_phy[84], 0xff << 8, (tmp + 0x10) << 8); + tmp = (readl(&denali_phy[212]) >> 8) & 0xff; + clrsetbits_le32(&denali_phy[212], 0xff << 8, (tmp + 0x10) << 8); + tmp = (readl(&denali_phy[340]) >> 8) & 0xff; + clrsetbits_le32(&denali_phy[340], 0xff << 8, (tmp + 0x10) << 8); + tmp = (readl(&denali_phy[468]) >> 8) & 0xff; + clrsetbits_le32(&denali_phy[468], 0xff << 8, (tmp + 0x10) << 8); + + /* + * phy_dqs_tsel_wr_timing_X 8bits DENALI_PHY_83/211/339/467 offset_8 + * dq_tsel_wr_end[7:4] add Half cycle + */ + tmp = (readl(&denali_phy[83]) >> 16) & 0xff; + clrsetbits_le32(&denali_phy[83], 0xff << 16, (tmp + 0x10) << 16); + tmp = (readl(&denali_phy[211]) >> 16) & 0xff; + clrsetbits_le32(&denali_phy[211], 0xff << 16, (tmp + 0x10) << 16); + tmp = (readl(&denali_phy[339]) >> 16) & 0xff; + clrsetbits_le32(&denali_phy[339], 0xff << 16, (tmp + 0x10) << 16); + tmp = (readl(&denali_phy[467]) >> 16) & 0xff; + clrsetbits_le32(&denali_phy[467], 0xff << 16, (tmp + 0x10) << 16); + + ret = phy_io_config(chan, sdram_params); + if (ret) + return ret; + + /* PHY_DLL_RST_EN */ + clrsetbits_le32(&denali_phy[957], 0x3 << 24, 0x2 << 24); + + /* Wating for PHY and DRAM init complete */ + tmp = get_timer(0); + do { + if (get_timer(tmp) > timeout_ms) { + pr_err("DRAM (%s): phy failed to lock within %ld ms\n", + __func__, timeout_ms); + return -ETIME; + } + } while (!(readl(&denali_ctl[203]) & (1 << 3))); + debug("DRAM (%s): phy locked after %ld ms\n", __func__, get_timer(tmp)); + + clrsetbits_le32(&denali_ctl[68], PWRUP_SREFRESH_EXIT, + pwrup_srefresh_exit); + return 0; +} + +static void select_per_cs_training_index(const struct chan_info *chan, + u32 rank) +{ + u32 *denali_phy = chan->publ->denali_phy; + + /* PHY_84 PHY_PER_CS_TRAINING_EN_0 1bit offset_16 */ + if ((readl(&denali_phy[84])>>16) & 1) { + /* + * PHY_8/136/264/392 + * phy_per_cs_training_index_X 1bit offset_24 + */ + clrsetbits_le32(&denali_phy[8], 0x1 << 24, rank << 24); + clrsetbits_le32(&denali_phy[136], 0x1 << 24, rank << 24); + clrsetbits_le32(&denali_phy[264], 0x1 << 24, rank << 24); + clrsetbits_le32(&denali_phy[392], 0x1 << 24, rank << 24); + } +} + +static void override_write_leveling_value(const struct chan_info *chan) +{ + u32 *denali_ctl = chan->pctl->denali_ctl; + u32 *denali_phy = chan->publ->denali_phy; + u32 byte; + + /* PHY_896 PHY_FREQ_SEL_MULTICAST_EN 1bit offset_0 */ + setbits_le32(&denali_phy[896], 1); + + /* + * PHY_8/136/264/392 + * phy_per_cs_training_multicast_en_X 1bit offset_16 + */ + clrsetbits_le32(&denali_phy[8], 0x1 << 16, 1 << 16); + clrsetbits_le32(&denali_phy[136], 0x1 << 16, 1 << 16); + clrsetbits_le32(&denali_phy[264], 0x1 << 16, 1 << 16); + clrsetbits_le32(&denali_phy[392], 0x1 << 16, 1 << 16); + + for (byte = 0; byte < 4; byte++) + clrsetbits_le32(&denali_phy[63 + (128 * byte)], 0xffff << 16, + 0x200 << 16); + + /* PHY_896 PHY_FREQ_SEL_MULTICAST_EN 1bit offset_0 */ + clrbits_le32(&denali_phy[896], 1); + + /* CTL_200 ctrlupd_req 1bit offset_8 */ + clrsetbits_le32(&denali_ctl[200], 0x1 << 8, 0x1 << 8); +} + +static int data_training_ca(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_pi = chan->pi->denali_pi; + u32 *denali_phy = chan->publ->denali_phy; + u32 i, tmp; + u32 obs_0, obs_1, obs_2, obs_err = 0; + u32 rank = sdram_params->ch[channel].rank; + + for (i = 0; i < rank; i++) { + select_per_cs_training_index(chan, i); + /* PI_100 PI_CALVL_EN:RW:8:2 */ + clrsetbits_le32(&denali_pi[100], 0x3 << 8, 0x2 << 8); + /* PI_92 PI_CALVL_REQ:WR:16:1,PI_CALVL_CS:RW:24:2 */ + clrsetbits_le32(&denali_pi[92], + (0x1 << 16) | (0x3 << 24), + (0x1 << 16) | (i << 24)); + + /* Waiting for training complete */ + while (1) { + /* PI_174 PI_INT_STATUS:RD:8:18 */ + tmp = readl(&denali_pi[174]) >> 8; + /* + * check status obs + * PHY_532/660/789 phy_adr_calvl_obs1_:0:32 + */ + obs_0 = readl(&denali_phy[532]); + obs_1 = readl(&denali_phy[660]); + obs_2 = readl(&denali_phy[788]); + if (((obs_0 >> 30) & 0x3) || + ((obs_1 >> 30) & 0x3) || + ((obs_2 >> 30) & 0x3)) + obs_err = 1; + if ((((tmp >> 11) & 0x1) == 0x1) && + (((tmp >> 13) & 0x1) == 0x1) && + (((tmp >> 5) & 0x1) == 0x0) && + (obs_err == 0)) + break; + else if ((((tmp >> 5) & 0x1) == 0x1) || + (obs_err == 1)) + return -EIO; + } + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + } + clrbits_le32(&denali_pi[100], 0x3 << 8); + + return 0; +} + +static int data_training_wl(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_pi = chan->pi->denali_pi; + u32 *denali_phy = chan->publ->denali_phy; + u32 i, tmp; + u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; + u32 rank = sdram_params->ch[channel].rank; + + for (i = 0; i < rank; i++) { + select_per_cs_training_index(chan, i); + /* PI_60 PI_WRLVL_EN:RW:8:2 */ + clrsetbits_le32(&denali_pi[60], 0x3 << 8, 0x2 << 8); + /* PI_59 PI_WRLVL_REQ:WR:8:1,PI_WRLVL_CS:RW:16:2 */ + clrsetbits_le32(&denali_pi[59], + (0x1 << 8) | (0x3 << 16), + (0x1 << 8) | (i << 16)); + + /* Waiting for training complete */ + while (1) { + /* PI_174 PI_INT_STATUS:RD:8:18 */ + tmp = readl(&denali_pi[174]) >> 8; + + /* + * check status obs, if error maybe can not + * get leveling done PHY_40/168/296/424 + * phy_wrlvl_status_obs_X:0:13 + */ + obs_0 = readl(&denali_phy[40]); + obs_1 = readl(&denali_phy[168]); + obs_2 = readl(&denali_phy[296]); + obs_3 = readl(&denali_phy[424]); + if (((obs_0 >> 12) & 0x1) || + ((obs_1 >> 12) & 0x1) || + ((obs_2 >> 12) & 0x1) || + ((obs_3 >> 12) & 0x1)) + obs_err = 1; + if ((((tmp >> 10) & 0x1) == 0x1) && + (((tmp >> 13) & 0x1) == 0x1) && + (((tmp >> 4) & 0x1) == 0x0) && + (obs_err == 0)) + break; + else if ((((tmp >> 4) & 0x1) == 0x1) || + (obs_err == 1)) + return -EIO; + } + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + } + + override_write_leveling_value(chan); + clrbits_le32(&denali_pi[60], 0x3 << 8); + + return 0; +} + +static int data_training_rg(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_pi = chan->pi->denali_pi; + u32 *denali_phy = chan->publ->denali_phy; + u32 i, tmp; + u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; + u32 rank = sdram_params->ch[channel].rank; + + for (i = 0; i < rank; i++) { + select_per_cs_training_index(chan, i); + /* PI_80 PI_RDLVL_GATE_EN:RW:24:2 */ + clrsetbits_le32(&denali_pi[80], 0x3 << 24, 0x2 << 24); + /* + * PI_74 PI_RDLVL_GATE_REQ:WR:16:1 + * PI_RDLVL_CS:RW:24:2 + */ + clrsetbits_le32(&denali_pi[74], + (0x1 << 16) | (0x3 << 24), + (0x1 << 16) | (i << 24)); + + /* Waiting for training complete */ + while (1) { + /* PI_174 PI_INT_STATUS:RD:8:18 */ + tmp = readl(&denali_pi[174]) >> 8; + + /* + * check status obs + * PHY_43/171/299/427 + * PHY_GTLVL_STATUS_OBS_x:16:8 + */ + obs_0 = readl(&denali_phy[43]); + obs_1 = readl(&denali_phy[171]); + obs_2 = readl(&denali_phy[299]); + obs_3 = readl(&denali_phy[427]); + if (((obs_0 >> (16 + 6)) & 0x3) || + ((obs_1 >> (16 + 6)) & 0x3) || + ((obs_2 >> (16 + 6)) & 0x3) || + ((obs_3 >> (16 + 6)) & 0x3)) + obs_err = 1; + if ((((tmp >> 9) & 0x1) == 0x1) && + (((tmp >> 13) & 0x1) == 0x1) && + (((tmp >> 3) & 0x1) == 0x0) && + (obs_err == 0)) + break; + else if ((((tmp >> 3) & 0x1) == 0x1) || + (obs_err == 1)) + return -EIO; + } + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + } + clrbits_le32(&denali_pi[80], 0x3 << 24); + + return 0; +} + +static int data_training_rl(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_pi = chan->pi->denali_pi; + u32 i, tmp; + u32 rank = sdram_params->ch[channel].rank; + + for (i = 0; i < rank; i++) { + select_per_cs_training_index(chan, i); + /* PI_80 PI_RDLVL_EN:RW:16:2 */ + clrsetbits_le32(&denali_pi[80], 0x3 << 16, 0x2 << 16); + /* PI_74 PI_RDLVL_REQ:WR:8:1,PI_RDLVL_CS:RW:24:2 */ + clrsetbits_le32(&denali_pi[74], + (0x1 << 8) | (0x3 << 24), + (0x1 << 8) | (i << 24)); + + /* Waiting for training complete */ + while (1) { + /* PI_174 PI_INT_STATUS:RD:8:18 */ + tmp = readl(&denali_pi[174]) >> 8; + + /* + * make sure status obs not report error bit + * PHY_46/174/302/430 + * phy_rdlvl_status_obs_X:16:8 + */ + if ((((tmp >> 8) & 0x1) == 0x1) && + (((tmp >> 13) & 0x1) == 0x1) && + (((tmp >> 2) & 0x1) == 0x0)) + break; + else if (((tmp >> 2) & 0x1) == 0x1) + return -EIO; + } + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + } + clrbits_le32(&denali_pi[80], 0x3 << 16); + + return 0; +} + +static int data_training_wdql(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params) +{ + u32 *denali_pi = chan->pi->denali_pi; + u32 i, tmp; + u32 rank = sdram_params->ch[channel].rank; + + for (i = 0; i < rank; i++) { + select_per_cs_training_index(chan, i); + /* + * disable PI_WDQLVL_VREF_EN before wdq leveling? + * PI_181 PI_WDQLVL_VREF_EN:RW:8:1 + */ + clrbits_le32(&denali_pi[181], 0x1 << 8); + /* PI_124 PI_WDQLVL_EN:RW:16:2 */ + clrsetbits_le32(&denali_pi[124], 0x3 << 16, 0x2 << 16); + /* PI_121 PI_WDQLVL_REQ:WR:8:1,PI_WDQLVL_CS:RW:16:2 */ + clrsetbits_le32(&denali_pi[121], + (0x1 << 8) | (0x3 << 16), + (0x1 << 8) | (i << 16)); + + /* Waiting for training complete */ + while (1) { + /* PI_174 PI_INT_STATUS:RD:8:18 */ + tmp = readl(&denali_pi[174]) >> 8; + if ((((tmp >> 12) & 0x1) == 0x1) && + (((tmp >> 13) & 0x1) == 0x1) && + (((tmp >> 6) & 0x1) == 0x0)) + break; + else if (((tmp >> 6) & 0x1) == 0x1) + return -EIO; + } + /* clear interrupt,PI_175 PI_INT_ACK:WR:0:17 */ + writel(0x00003f7c, (&denali_pi[175])); + } + clrbits_le32(&denali_pi[124], 0x3 << 16); + + return 0; +} + +static int data_training(const struct chan_info *chan, u32 channel, + const struct rk3399_sdram_params *sdram_params, + u32 training_flag) +{ + u32 *denali_phy = chan->publ->denali_phy; + + /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ + setbits_le32(&denali_phy[927], (1 << 22)); + + if (training_flag == PI_FULL_TRAINING) { + if (sdram_params->base.dramtype == LPDDR4) { + training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING | + PI_READ_GATE_TRAINING | + PI_READ_LEVELING | PI_WDQ_LEVELING; + } else if (sdram_params->base.dramtype == LPDDR3) { + training_flag = PI_CA_TRAINING | PI_WRITE_LEVELING | + PI_READ_GATE_TRAINING; + } else if (sdram_params->base.dramtype == DDR3) { + training_flag = PI_WRITE_LEVELING | + PI_READ_GATE_TRAINING | + PI_READ_LEVELING; + } + } + + /* ca training(LPDDR4,LPDDR3 support) */ + if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) + data_training_ca(chan, channel, sdram_params); + + /* write leveling(LPDDR4,LPDDR3,DDR3 support) */ + if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) + data_training_wl(chan, channel, sdram_params); + + /* read gate training(LPDDR4,LPDDR3,DDR3 support) */ + if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) + data_training_rg(chan, channel, sdram_params); + + /* read leveling(LPDDR4,LPDDR3,DDR3 support) */ + if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) + data_training_rl(chan, channel, sdram_params); + + /* wdq leveling(LPDDR4 support) */ + if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) + data_training_wdql(chan, channel, sdram_params); + + /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ + clrbits_le32(&denali_phy[927], (1 << 22)); + + return 0; +} + +static void set_ddrconfig(const struct chan_info *chan, + const struct rk3399_sdram_params *sdram_params, + unsigned char channel, u32 ddrconfig) +{ + /* only need to set ddrconfig */ + struct rk3399_msch_regs *ddr_msch_regs = chan->msch; + unsigned int cs0_cap = 0; + unsigned int cs1_cap = 0; + + cs0_cap = (1 << (sdram_params->ch[channel].cs0_row + + sdram_params->ch[channel].col + + sdram_params->ch[channel].bk + + sdram_params->ch[channel].bw - 20)); + if (sdram_params->ch[channel].rank > 1) + cs1_cap = cs0_cap >> (sdram_params->ch[channel].cs0_row + - sdram_params->ch[channel].cs1_row); + if (sdram_params->ch[channel].row_3_4) { + cs0_cap = cs0_cap * 3 / 4; + cs1_cap = cs1_cap * 3 / 4; + } + + writel(ddrconfig | (ddrconfig << 8), &ddr_msch_regs->ddrconf); + writel(((cs0_cap / 32) & 0xff) | (((cs1_cap / 32) & 0xff) << 8), + &ddr_msch_regs->ddrsize); +} + +static void dram_all_config(struct dram_info *dram, + const struct rk3399_sdram_params *sdram_params) +{ + u32 sys_reg = 0; + unsigned int channel, idx; + + sys_reg |= sdram_params->base.dramtype << SYS_REG_DDRTYPE_SHIFT; + sys_reg |= (sdram_params->base.num_channels - 1) + << SYS_REG_NUM_CH_SHIFT; + for (channel = 0, idx = 0; + (idx < sdram_params->base.num_channels) && (channel < 2); + channel++) { + const struct rk3399_sdram_channel *info = + &sdram_params->ch[channel]; + struct rk3399_msch_regs *ddr_msch_regs; + const struct rk3399_msch_timings *noc_timing; + + if (sdram_params->ch[channel].col == 0) + continue; + idx++; + sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(channel); + sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel); + sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel); + sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(channel); + sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(channel); + sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(channel); + sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(channel); + sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel); + sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(channel); + + ddr_msch_regs = dram->chan[channel].msch; + noc_timing = &sdram_params->ch[channel].noc_timings; + writel(noc_timing->ddrtiminga0, + &ddr_msch_regs->ddrtiminga0); + writel(noc_timing->ddrtimingb0, + &ddr_msch_regs->ddrtimingb0); + writel(noc_timing->ddrtimingc0, + &ddr_msch_regs->ddrtimingc0); + writel(noc_timing->devtodev0, + &ddr_msch_regs->devtodev0); + writel(noc_timing->ddrmode, + &ddr_msch_regs->ddrmode); + + /* rank 1 memory clock disable (dfi_dram_clk_disable = 1) */ + if (sdram_params->ch[channel].rank == 1) + setbits_le32(&dram->chan[channel].pctl->denali_ctl[276], + 1 << 17); + } + + writel(sys_reg, &dram->pmugrf->os_reg2); + rk_clrsetreg(&dram->pmusgrf->soc_con4, 0x1f << 10, + sdram_params->base.stride << 10); + + /* reboot hold register set */ + writel(PRESET_SGRF_HOLD(0) | PRESET_GPIO0_HOLD(1) | + PRESET_GPIO1_HOLD(1), + &dram->pmucru->pmucru_rstnhold_con[1]); + clrsetbits_le32(&dram->cru->glb_rst_con, 0x3, 0x3); +} + +static int switch_to_phy_index1(struct dram_info *dram, + const struct rk3399_sdram_params *sdram_params) +{ + u32 channel; + u32 *denali_phy; + u32 ch_count = sdram_params->base.num_channels; + int ret; + int i = 0; + + writel(RK_CLRSETBITS(0x03 << 4 | 1 << 2 | 1, + 1 << 4 | 1 << 2 | 1), + &dram->cic->cic_ctrl0); + while (!(readl(&dram->cic->cic_status0) & (1 << 2))) { + mdelay(10); + i++; + if (i > 10) { + debug("index1 frequency change overtime\n"); + return -ETIME; + } + } + + i = 0; + writel(RK_CLRSETBITS(1 << 1, 1 << 1), &dram->cic->cic_ctrl0); + while (!(readl(&dram->cic->cic_status0) & (1 << 0))) { + mdelay(10); + if (i > 10) { + debug("index1 frequency done overtime\n"); + return -ETIME; + } + } + + for (channel = 0; channel < ch_count; channel++) { + denali_phy = dram->chan[channel].publ->denali_phy; + clrsetbits_le32(&denali_phy[896], (0x3 << 8) | 1, 1 << 8); + ret = data_training(&dram->chan[channel], channel, + sdram_params, PI_FULL_TRAINING); + if (ret) { + debug("index1 training failed\n"); + return ret; + } + } + + return 0; +} + +static int sdram_init(struct dram_info *dram, + const struct rk3399_sdram_params *sdram_params) +{ + unsigned char dramtype = sdram_params->base.dramtype; + unsigned int ddr_freq = sdram_params->base.ddr_freq; + int channel; + + debug("Starting SDRAM initialization...\n"); + + if ((dramtype == DDR3 && ddr_freq > 933) || + (dramtype == LPDDR3 && ddr_freq > 933) || + (dramtype == LPDDR4 && ddr_freq > 800)) { + debug("SDRAM frequency is to high!"); + return -E2BIG; + } + + for (channel = 0; channel < 2; channel++) { + const struct chan_info *chan = &dram->chan[channel]; + struct rk3399_ddr_publ_regs *publ = chan->publ; + + phy_dll_bypass_set(publ, ddr_freq); + + if (channel >= sdram_params->base.num_channels) + continue; + + if (pctl_cfg(chan, channel, sdram_params) != 0) { + printf("pctl_cfg fail, reset\n"); + return -EIO; + } + + /* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */ + if (dramtype == LPDDR3) + udelay(10); + + if (data_training(chan, channel, + sdram_params, PI_FULL_TRAINING)) { + printf("SDRAM initialization failed, reset\n"); + return -EIO; + } + + set_ddrconfig(chan, sdram_params, channel, + sdram_params->ch[channel].ddrconfig); + } + dram_all_config(dram, sdram_params); + switch_to_phy_index1(dram, sdram_params); + + debug("Finish SDRAM initialization...\n"); + return 0; +} + +static int rk3399_dmc_ofdata_to_platdata(struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rockchip_dmc_plat *plat = dev_get_platdata(dev); + int ret; + + ret = dev_read_u32_array(dev, "rockchip,sdram-params", + (u32 *)&plat->sdram_params, + sizeof(plat->sdram_params) / sizeof(u32)); + if (ret) { + printf("%s: Cannot read rockchip,sdram-params %d\n", + __func__, ret); + return ret; + } + ret = regmap_init_mem(dev, &plat->map); + if (ret) + printf("%s: regmap failed %d\n", __func__, ret); + +#endif + return 0; +} + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int conv_of_platdata(struct udevice *dev) +{ + struct rockchip_dmc_plat *plat = dev_get_platdata(dev); + struct dtd_rockchip_rk3399_dmc *dtplat = &plat->dtplat; + int ret; + + ret = regmap_init_mem_platdata(dev, dtplat->reg, + ARRAY_SIZE(dtplat->reg) / 2, + &plat->map); + if (ret) + return ret; + + return 0; +} +#endif + +static int rk3399_dmc_init(struct udevice *dev) +{ + struct dram_info *priv = dev_get_priv(dev); + struct rockchip_dmc_plat *plat = dev_get_platdata(dev); + int ret; +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3399_sdram_params *params = &plat->sdram_params; +#else + struct dtd_rockchip_rk3399_dmc *dtplat = &plat->dtplat; + struct rk3399_sdram_params *params = + (void *)dtplat->rockchip_sdram_params; + + ret = conv_of_platdata(dev); + if (ret) + return ret; +#endif + + priv->cic = syscon_get_first_range(ROCKCHIP_SYSCON_CIC); + priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); + priv->pmusgrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUSGRF); + priv->pmucru = rockchip_get_pmucru(); + priv->cru = rockchip_get_cru(); + priv->chan[0].pctl = regmap_get_range(plat->map, 0); + priv->chan[0].pi = regmap_get_range(plat->map, 1); + priv->chan[0].publ = regmap_get_range(plat->map, 2); + priv->chan[0].msch = regmap_get_range(plat->map, 3); + priv->chan[1].pctl = regmap_get_range(plat->map, 4); + priv->chan[1].pi = regmap_get_range(plat->map, 5); + priv->chan[1].publ = regmap_get_range(plat->map, 6); + priv->chan[1].msch = regmap_get_range(plat->map, 7); + + debug("con reg %p %p %p %p %p %p %p %p\n", + priv->chan[0].pctl, priv->chan[0].pi, + priv->chan[0].publ, priv->chan[0].msch, + priv->chan[1].pctl, priv->chan[1].pi, + priv->chan[1].publ, priv->chan[1].msch); + debug("cru %p, cic %p, grf %p, sgrf %p, pmucru %p\n", priv->cru, + priv->cic, priv->pmugrf, priv->pmusgrf, priv->pmucru); +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = clk_get_by_index_platdata(dev, 0, dtplat->clocks, &priv->ddr_clk); +#else + ret = clk_get_by_index(dev, 0, &priv->ddr_clk); +#endif + if (ret) { + printf("%s clk get failed %d\n", __func__, ret); + return ret; + } + ret = clk_set_rate(&priv->ddr_clk, params->base.ddr_freq * MHz); + if (ret < 0) { + printf("%s clk set failed %d\n", __func__, ret); + return ret; + } + ret = sdram_init(priv, params); + if (ret < 0) { + printf("%s DRAM init failed%d\n", __func__, ret); + return ret; + } + + return 0; +} +#endif + +static int rk3399_dmc_probe(struct udevice *dev) +{ +#ifdef CONFIG_SPL_BUILD + if (rk3399_dmc_init(dev)) + return 0; +#else + struct dram_info *priv = dev_get_priv(dev); + + priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); + debug("%s: pmugrf=%p\n", __func__, priv->pmugrf); + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->pmugrf->os_reg2); +#endif + return 0; +} + +static int rk3399_dmc_get_info(struct udevice *dev, struct ram_info *info) +{ + struct dram_info *priv = dev_get_priv(dev); + + *info = priv->info; + + return 0; +} + +static struct ram_ops rk3399_dmc_ops = { + .get_info = rk3399_dmc_get_info, +}; + + +static const struct udevice_id rk3399_dmc_ids[] = { + { .compatible = "rockchip,rk3399-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk3399) = { + .name = "rockchip_rk3399_dmc", + .id = UCLASS_RAM, + .of_match = rk3399_dmc_ids, + .ops = &rk3399_dmc_ops, +#ifdef CONFIG_SPL_BUILD + .ofdata_to_platdata = rk3399_dmc_ofdata_to_platdata, +#endif + .probe = rk3399_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +#ifdef CONFIG_SPL_BUILD + .platdata_auto_alloc_size = sizeof(struct rockchip_dmc_plat), +#endif +}; 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