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driver: ram: rockchip: rk3399: dram init select common code 

Add support dram capacity detect.
Select dram timing file base on dram type and clock frequency,
don't need care dram capacity.Dram capacity will auto detect.

Change-Id: I0554a0ec0c753a159406330aa0baa2daafe7ab93
Signed-off-by: YouMin Chen <cym@rock-chips.com>
This commit is contained in:
YouMin Chen 2018-12-25 10:09:42 +08:00 committed by Kever Yang
parent 55c5751eba
commit 31d8c61d58
14 changed files with 692 additions and 167 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/dts/rk3399-sdram-ddr3-1333.dtsi
View File

@ -14,6 +14,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80120e12 0x80120e12
0x11030802 0x11030802
@ -29,6 +31,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80120e12 0x80120e12
0x11030802 0x11030802

4
arch/arm/dts/rk3399-sdram-ddr3-1600.dtsi
View File

@ -14,6 +14,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80151015 0x80151015
0x14040902 0x14040902
@ -29,6 +31,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80151015 0x80151015
0x14040902 0x14040902

4
arch/arm/dts/rk3399-sdram-ddr3-1866.dtsi
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@ -14,6 +14,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80181219 0x80181219
0x17050a03 0x17050a03
@ -29,6 +31,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80181219 0x80181219
0x17050a03 0x17050a03

4
arch/arm/dts/rk3399-sdram-ddr3-4G-1600.dtsi
View File

@ -14,6 +14,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80151015 0x80151015
0x14040902 0x14040902
@ -29,6 +31,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x80151015 0x80151015
0x14040902 0x14040902

4
arch/arm/dts/rk3399-sdram-lpddr3-4GB-1600.dtsi
View File

@ -14,6 +14,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x1d191519 0x1d191519
0x14040808 0x14040808
@ -29,6 +31,8 @@
0x0 0x0
0xf 0xf
0xf 0xf
0xf
0xf
1 1
0x1d191519 0x1d191519
0x14040808 0x14040808

64
arch/arm/include/asm/arch-rockchip/sdram_rk3399.h
View File

@ -6,6 +6,7 @@
#ifndef _ASM_ARCH_SDRAM_RK3399_H #ifndef _ASM_ARCH_SDRAM_RK3399_H
#define _ASM_ARCH_SDRAM_RK3399_H #define _ASM_ARCH_SDRAM_RK3399_H
#include <asm/arch/sdram_share.h>
struct rk3399_ddr_pctl_regs { struct rk3399_ddr_pctl_regs {
u32 denali_ctl[332]; u32 denali_ctl[332];
@ -19,30 +20,6 @@ struct rk3399_ddr_pi_regs {
u32 denali_pi[200]; u32 denali_pi[200];
}; };
struct rk3399_msch_regs {
u32 coreid;
u32 revisionid;
u32 ddrconf;
u32 ddrsize;
u32 ddrtiminga0;
u32 ddrtimingb0;
u32 ddrtimingc0;
u32 devtodev0;
u32 reserved0[(0x110 - 0x20) / 4];
u32 ddrmode;
u32 reserved1[(0x1000 - 0x114) / 4];
u32 agingx0;
};
struct rk3399_msch_timings {
u32 ddrtiminga0;
u32 ddrtimingb0;
u32 ddrtimingc0;
u32 devtodev0;
u32 ddrmode;
u32 agingx0;
};
struct rk3399_ddr_cic_regs { struct rk3399_ddr_cic_regs {
u32 cic_ctrl0; u32 cic_ctrl0;
u32 cic_ctrl1; u32 cic_ctrl1;
@ -65,37 +42,13 @@ struct rk3399_ddr_cic_regs {
#define MEM_RST_VALID 1 #define MEM_RST_VALID 1
struct rk3399_sdram_channel { struct rk3399_sdram_channel {
unsigned int rank; struct sdram_cap_info cap_info;
/* dram column number, 0 means this channel is invalid */ struct sdram_msch_timings noc_timings;
unsigned int col;
/* dram bank number, 3:8bank, 2:4bank */
unsigned int bk;
/* channel buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned int bw;
/* die buswidth, 2:32bit, 1:16bit, 0:8bit */
unsigned int dbw;
/*
* row_3_4 = 1: 6Gb or 12Gb die
* row_3_4 = 0: normal die, power of 2
*/
unsigned int row_3_4;
unsigned int cs0_row;
unsigned int cs1_row;
unsigned int ddrconfig;
struct rk3399_msch_timings noc_timings;
};
struct rk3399_base_params {
unsigned int ddr_freq;
unsigned int dramtype;
unsigned int num_channels;
unsigned int stride;
unsigned int odt;
}; };
struct rk3399_sdram_params { struct rk3399_sdram_params {
struct rk3399_sdram_channel ch[2]; struct rk3399_sdram_channel ch[2];
struct rk3399_base_params base; struct sdram_base_params base;
struct rk3399_ddr_pctl_regs pctl_regs; struct rk3399_ddr_pctl_regs pctl_regs;
struct rk3399_ddr_pi_regs pi_regs; struct rk3399_ddr_pi_regs pi_regs;
struct rk3399_ddr_publ_regs phy_regs; struct rk3399_ddr_publ_regs phy_regs;
@ -108,4 +61,13 @@ struct rk3399_sdram_params {
#define PI_WDQ_LEVELING (1 << 4) #define PI_WDQ_LEVELING (1 << 4)
#define PI_FULL_TRAINING 0xff #define PI_FULL_TRAINING 0xff
enum {
STRIDE_128B = 0,
STRIDE_256B = 1,
STRIDE_512B = 2,
STRIDE_4KB = 3,
UN_STRIDE = 4,
PART_STRIDE = 5
};
#endif #endif

4
configs/android6.0-rk3399_defconfig
View File

@ -67,6 +67,10 @@ CONFIG_REGULATOR_RK8XX=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DM_RESET=y CONFIG_DM_RESET=y
CONFIG_BAUDRATE=1500000 CONFIG_BAUDRATE=1500000
CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_BASE=0xFF1A0000

4
configs/evb-rk3399_defconfig
View File

@ -67,6 +67,10 @@ CONFIG_REGULATOR_RK8XX=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DM_RESET=y CONFIG_DM_RESET=y
CONFIG_BAUDRATE=1500000 CONFIG_BAUDRATE=1500000
CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_BASE=0xFF1A0000

4
configs/firefly-rk3399_defconfig
View File

@ -65,6 +65,10 @@ CONFIG_REGULATOR_RK8XX=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DM_RESET=y CONFIG_DM_RESET=y
CONFIG_BAUDRATE=1500000 CONFIG_BAUDRATE=1500000
CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_BASE=0xFF1A0000

4
configs/puma-rk3399_defconfig
View File

@ -77,6 +77,10 @@ CONFIG_REGULATOR_RK8XX=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DEBUG_UART_BASE=0xFF180000 CONFIG_DEBUG_UART_BASE=0xFF180000
CONFIG_DEBUG_UART_CLOCK=24000000 CONFIG_DEBUG_UART_CLOCK=24000000
CONFIG_DEBUG_UART_SHIFT=2 CONFIG_DEBUG_UART_SHIFT=2

4
configs/rk3399_defconfig
View File

@ -80,6 +80,10 @@ CONFIG_CHARGE_ANIMATION=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DM_RESET=y CONFIG_DM_RESET=y
CONFIG_BAUDRATE=1500000 CONFIG_BAUDRATE=1500000
CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_BASE=0xFF1A0000

4
configs/rk3399pro_defconfig
View File

@ -82,6 +82,10 @@ CONFIG_CHARGE_ANIMATION=y
CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_ROCKCHIP=y
CONFIG_RAM=y CONFIG_RAM=y
CONFIG_SPL_RAM=y CONFIG_SPL_RAM=y
CONFIG_ROCKCHIP_SDRAM_COMMON=y
CONFIG_SDRAM_COMMON_CAP_DETECT=y
CONFIG_SDRAM_COMMON_OSREG=y
CONFIG_SDRAM_COMMON_MSCH_RK3399=y
CONFIG_DM_RESET=y CONFIG_DM_RESET=y
CONFIG_BAUDRATE=1500000 CONFIG_BAUDRATE=1500000
CONFIG_DEBUG_UART_BASE=0xFF1A0000 CONFIG_DEBUG_UART_BASE=0xFF1A0000

2
drivers/ram/rockchip/Makefile
View File

@ -12,7 +12,7 @@ obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o
obj-$(CONFIG_ROCKCHIP_RK322X) = sdram_rk322x.o obj-$(CONFIG_ROCKCHIP_RK322X) = sdram_rk322x.o
obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o
obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o
obj-$(CONFIG_ROCKCHIP_RK3399) = sdram_rk3399.o obj-$(CONFIG_ROCKCHIP_RK3399) += sdram_rk3399.o
obj-$(CONFIG_ROCKCHIP_PX30) += sdram_px30.o sdram_pctl_px30.o sdram_phy_px30.o obj-$(CONFIG_ROCKCHIP_PX30) += sdram_px30.o sdram_pctl_px30.o sdram_phy_px30.o
obj-$(CONFIG_ROCKCHIP_PX30) += rockchip_sdram.o obj-$(CONFIG_ROCKCHIP_PX30) += rockchip_sdram.o
obj-$(CONFIG_ROCKCHIP_RK1808) = rockchip_sdram.o obj-$(CONFIG_ROCKCHIP_RK1808) = rockchip_sdram.o

725
drivers/ram/rockchip/sdram_rk3399.c
View File

@ -28,7 +28,7 @@ struct chan_info {
struct rk3399_ddr_pctl_regs *pctl; struct rk3399_ddr_pctl_regs *pctl;
struct rk3399_ddr_pi_regs *pi; struct rk3399_ddr_pi_regs *pi;
struct rk3399_ddr_publ_regs *publ; struct rk3399_ddr_publ_regs *publ;
struct rk3399_msch_regs *msch; struct msch_regs *msch;
}; };
struct dram_info { struct dram_info {
@ -68,15 +68,30 @@ struct rockchip_dmc_plat {
struct regmap *map; struct regmap *map;
}; };
static void copy_to_reg(u32 *dest, const u32 *src, u32 n) #define CRU_SFTRST_DDR_CTRL(ch, n) ((0x1 << (8 + 16 + (ch) * 4)) | \
((n) << (8 + (ch) * 4)))
#define CRU_SFTRST_DDR_PHY(ch, n) ((0x1 << (9 + 16 + (ch) * 4)) | \
((n) << (9 + (ch) * 4)))
static void rkclk_ddr_reset(struct rk3399_cru *cru, u32 channel, u32 ctl,
u32 phy)
{ {
int i; channel &= 0x1;
ctl &= 0x1;
for (i = 0; i < n / sizeof(u32); i++) { phy &= 0x1;
writel(*src, dest); writel(CRU_SFTRST_DDR_CTRL(channel, ctl) |
src++; CRU_SFTRST_DDR_PHY(channel, phy),
dest++; &cru->softrst_con[4]);
} }
static void phy_pctrl_reset(struct rk3399_cru *cru,
u32 channel)
{
rkclk_ddr_reset(cru, channel, 1, 1);
udelay(10);
rkclk_ddr_reset(cru, channel, 1, 0);
udelay(10);
rkclk_ddr_reset(cru, channel, 0, 0);
udelay(10);
} }
static void phy_dll_bypass_set(struct rk3399_ddr_publ_regs *ddr_publ_regs, static void phy_dll_bypass_set(struct rk3399_ddr_publ_regs *ddr_publ_regs,
@ -122,35 +137,37 @@ static void set_memory_map(const struct chan_info *chan, u32 channel,
u32 row; u32 row;
/* Get row number from ddrconfig setting */ /* Get row number from ddrconfig setting */
if (sdram_ch->ddrconfig < 2 || sdram_ch->ddrconfig == 4) if (sdram_ch->cap_info.ddrconfig < 2 ||
sdram_ch->cap_info.ddrconfig == 4)
row = 16; row = 16;
else if (sdram_ch->ddrconfig == 3) else if (sdram_ch->cap_info.ddrconfig == 3)
row = 14; row = 14;
else else
row = 15; row = 15;
cs_map = (sdram_ch->rank > 1) ? 3 : 1; cs_map = (sdram_ch->cap_info.rank > 1) ? 3 : 1;
reduc = (sdram_ch->bw == 2) ? 0 : 1; reduc = (sdram_ch->cap_info.bw == 2) ? 0 : 1;
/* Set the dram configuration to ctrl */ /* Set the dram configuration to ctrl */
clrsetbits_le32(&denali_ctl[191], 0xF, (12 - sdram_ch->col)); clrsetbits_le32(&denali_ctl[191], 0xF, (12 - sdram_ch->cap_info.col));
clrsetbits_le32(&denali_ctl[190], (0x3 << 16) | (0x7 << 24), clrsetbits_le32(&denali_ctl[190], (0x3 << 16) | (0x7 << 24),
((3 - sdram_ch->bk) << 16) | ((3 - sdram_ch->cap_info.bk) << 16) |
((16 - row) << 24)); ((16 - row) << 24));
clrsetbits_le32(&denali_ctl[196], 0x3 | (1 << 16), clrsetbits_le32(&denali_ctl[196], 0x3 | (1 << 16),
cs_map | (reduc << 16)); cs_map | (reduc << 16));
/* PI_199 PI_COL_DIFF:RW:0:4 */ /* PI_199 PI_COL_DIFF:RW:0:4 */
clrsetbits_le32(&denali_pi[199], 0xF, (12 - sdram_ch->col)); clrsetbits_le32(&denali_pi[199], 0xF, (12 - sdram_ch->cap_info.col));
/* PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2 */ /* PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2 */
clrsetbits_le32(&denali_pi[155], (0x3 << 16) | (0x7 << 24), clrsetbits_le32(&denali_pi[155], (0x3 << 16) | (0x7 << 24),
((3 - sdram_ch->bk) << 16) | ((3 - sdram_ch->cap_info.bk) << 16) |
((16 - row) << 24)); ((16 - row) << 24));
/* PI_41 PI_CS_MAP:RW:24:4 */ /* PI_41 PI_CS_MAP:RW:24:4 */
clrsetbits_le32(&denali_pi[41], 0xf << 24, cs_map << 24); clrsetbits_le32(&denali_pi[41], 0xf << 24, cs_map << 24);
if ((sdram_ch->rank == 1) && (sdram_params->base.dramtype == DDR3)) if (sdram_ch->cap_info.rank == 1 &&
sdram_params->base.dramtype == DDR3)
writel(0x2EC7FFFF, &denali_pi[34]); writel(0x2EC7FFFF, &denali_pi[34]);
} }
@ -423,7 +440,6 @@ static int phy_io_config(const struct chan_info *chan,
/* PHY_939 PHY_PAD_CS_DRIVE */ /* PHY_939 PHY_PAD_CS_DRIVE */
clrsetbits_le32(&denali_phy[939], 0x7 << 14, mode_sel << 14); clrsetbits_le32(&denali_phy[939], 0x7 << 14, mode_sel << 14);
/* speed setting */ /* speed setting */
if (sdram_params->base.ddr_freq < 400) if (sdram_params->base.ddr_freq < 400)
speed = 0x0; speed = 0x0;
@ -471,10 +487,10 @@ static int pctl_cfg(const struct chan_info *chan, u32 channel,
* work around controller bug: * work around controller bug:
* Do not program DRAM_CLASS until NO_PHY_IND_TRAIN_INT is programmed * Do not program DRAM_CLASS until NO_PHY_IND_TRAIN_INT is programmed
*/ */
copy_to_reg(&denali_ctl[1], &params_ctl[1], sdram_copy_to_reg(&denali_ctl[1], &params_ctl[1],
sizeof(struct rk3399_ddr_pctl_regs) - 4); sizeof(struct rk3399_ddr_pctl_regs) - 4);
writel(params_ctl[0], &denali_ctl[0]); writel(params_ctl[0], &denali_ctl[0]);
copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0], sdram_copy_to_reg(denali_pi, &sdram_params->pi_regs.denali_pi[0],
sizeof(struct rk3399_ddr_pi_regs)); sizeof(struct rk3399_ddr_pi_regs));
/* rank count need to set for init */ /* rank count need to set for init */
set_memory_map(chan, channel, sdram_params); set_memory_map(chan, channel, sdram_params);
@ -492,7 +508,7 @@ static int pctl_cfg(const struct chan_info *chan, u32 channel,
setbits_le32(&denali_pi[0], START); setbits_le32(&denali_pi[0], START);
setbits_le32(&denali_ctl[0], START); setbits_le32(&denali_ctl[0], START);
/* Wating for phy DLL lock */ /* Waiting for phy DLL lock */
while (1) { while (1) {
tmp = readl(&denali_phy[920]); tmp = readl(&denali_phy[920]);
tmp1 = readl(&denali_phy[921]); tmp1 = readl(&denali_phy[921]);
@ -504,14 +520,20 @@ static int pctl_cfg(const struct chan_info *chan, u32 channel,
break; break;
} }
copy_to_reg(&denali_phy[896], &params_phy[896], (958 - 895) * 4); sdram_copy_to_reg(&denali_phy[896], &params_phy[896], (958 - 895) * 4);
copy_to_reg(&denali_phy[0], &params_phy[0], (90 - 0 + 1) * 4); sdram_copy_to_reg(&denali_phy[0], &params_phy[0], (90 - 0 + 1) * 4);
copy_to_reg(&denali_phy[128], &params_phy[128], (218 - 128 + 1) * 4); sdram_copy_to_reg(&denali_phy[128],
copy_to_reg(&denali_phy[256], &params_phy[256], (346 - 256 + 1) * 4); &params_phy[128], (218 - 128 + 1) * 4);
copy_to_reg(&denali_phy[384], &params_phy[384], (474 - 384 + 1) * 4); sdram_copy_to_reg(&denali_phy[256],
copy_to_reg(&denali_phy[512], &params_phy[512], (549 - 512 + 1) * 4); &params_phy[256], (346 - 256 + 1) * 4);
copy_to_reg(&denali_phy[640], &params_phy[640], (677 - 640 + 1) * 4); sdram_copy_to_reg(&denali_phy[384],
copy_to_reg(&denali_phy[768], &params_phy[768], (805 - 768 + 1) * 4); &params_phy[384], (474 - 384 + 1) * 4);
sdram_copy_to_reg(&denali_phy[512],
&params_phy[512], (549 - 512 + 1) * 4);
sdram_copy_to_reg(&denali_phy[640],
&params_phy[640], (677 - 640 + 1) * 4);
sdram_copy_to_reg(&denali_phy[768],
&params_phy[768], (805 - 768 + 1) * 4);
set_ds_odt(chan, sdram_params); set_ds_odt(chan, sdram_params);
/* /*
@ -547,7 +569,7 @@ static int pctl_cfg(const struct chan_info *chan, u32 channel,
/* PHY_DLL_RST_EN */ /* PHY_DLL_RST_EN */
clrsetbits_le32(&denali_phy[957], 0x3 << 24, 0x2 << 24); clrsetbits_le32(&denali_phy[957], 0x3 << 24, 0x2 << 24);
/* Wating for PHY and DRAM init complete */ /* Waiting for PHY and DRAM init complete */
tmp = get_timer(0); tmp = get_timer(0);
do { do {
if (get_timer(tmp) > timeout_ms) { if (get_timer(tmp) > timeout_ms) {
@ -617,7 +639,7 @@ static int data_training_ca(const struct chan_info *chan, u32 channel,
u32 *denali_phy = chan->publ->denali_phy; u32 *denali_phy = chan->publ->denali_phy;
u32 i, tmp; u32 i, tmp;
u32 obs_0, obs_1, obs_2, obs_err = 0; u32 obs_0, obs_1, obs_2, obs_err = 0;
u32 rank = sdram_params->ch[channel].rank; u32 rank = sdram_params->ch[channel].cap_info.rank;
for (i = 0; i < rank; i++) { for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i); select_per_cs_training_index(chan, i);
@ -667,7 +689,7 @@ static int data_training_wl(const struct chan_info *chan, u32 channel,
u32 *denali_phy = chan->publ->denali_phy; u32 *denali_phy = chan->publ->denali_phy;
u32 i, tmp; u32 i, tmp;
u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
u32 rank = sdram_params->ch[channel].rank; u32 rank = sdram_params->ch[channel].cap_info.rank;
for (i = 0; i < rank; i++) { for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i); select_per_cs_training_index(chan, i);
@ -723,7 +745,7 @@ static int data_training_rg(const struct chan_info *chan, u32 channel,
u32 *denali_phy = chan->publ->denali_phy; u32 *denali_phy = chan->publ->denali_phy;
u32 i, tmp; u32 i, tmp;
u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0; u32 obs_0, obs_1, obs_2, obs_3, obs_err = 0;
u32 rank = sdram_params->ch[channel].rank; u32 rank = sdram_params->ch[channel].cap_info.rank;
for (i = 0; i < rank; i++) { for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i); select_per_cs_training_index(chan, i);
@ -778,7 +800,7 @@ static int data_training_rl(const struct chan_info *chan, u32 channel,
{ {
u32 *denali_pi = chan->pi->denali_pi; u32 *denali_pi = chan->pi->denali_pi;
u32 i, tmp; u32 i, tmp;
u32 rank = sdram_params->ch[channel].rank; u32 rank = sdram_params->ch[channel].cap_info.rank;
for (i = 0; i < rank; i++) { for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i); select_per_cs_training_index(chan, i);
@ -819,7 +841,7 @@ static int data_training_wdql(const struct chan_info *chan, u32 channel,
{ {
u32 *denali_pi = chan->pi->denali_pi; u32 *denali_pi = chan->pi->denali_pi;
u32 i, tmp; u32 i, tmp;
u32 rank = sdram_params->ch[channel].rank; u32 rank = sdram_params->ch[channel].cap_info.rank;
for (i = 0; i < rank; i++) { for (i = 0; i < rank; i++) {
select_per_cs_training_index(chan, i); select_per_cs_training_index(chan, i);
@ -859,6 +881,7 @@ static int data_training(const struct chan_info *chan, u32 channel,
u32 training_flag) u32 training_flag)
{ {
u32 *denali_phy = chan->publ->denali_phy; u32 *denali_phy = chan->publ->denali_phy;
int ret = 0;
/* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
setbits_le32(&denali_phy[927], (1 << 22)); setbits_le32(&denali_phy[927], (1 << 22));
@ -879,29 +902,45 @@ static int data_training(const struct chan_info *chan, u32 channel,
} }
/* ca training(LPDDR4,LPDDR3 support) */ /* ca training(LPDDR4,LPDDR3 support) */
if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) if ((training_flag & PI_CA_TRAINING) == PI_CA_TRAINING) {
data_training_ca(chan, channel, sdram_params); ret = data_training_ca(chan, channel, sdram_params);
if (ret != 0)
goto out;
}
/* write leveling(LPDDR4,LPDDR3,DDR3 support) */ /* write leveling(LPDDR4,LPDDR3,DDR3 support) */
if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) if ((training_flag & PI_WRITE_LEVELING) == PI_WRITE_LEVELING) {
data_training_wl(chan, channel, sdram_params); ret = data_training_wl(chan, channel, sdram_params);
if (ret != 0)
goto out;
}
/* read gate training(LPDDR4,LPDDR3,DDR3 support) */ /* read gate training(LPDDR4,LPDDR3,DDR3 support) */
if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) if ((training_flag & PI_READ_GATE_TRAINING) == PI_READ_GATE_TRAINING) {
data_training_rg(chan, channel, sdram_params); ret = data_training_rg(chan, channel, sdram_params);
if (ret != 0)
goto out;
}
/* read leveling(LPDDR4,LPDDR3,DDR3 support) */ /* read leveling(LPDDR4,LPDDR3,DDR3 support) */
if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) if ((training_flag & PI_READ_LEVELING) == PI_READ_LEVELING) {
data_training_rl(chan, channel, sdram_params); ret = data_training_rl(chan, channel, sdram_params);
if (ret != 0)
goto out;
}
/* wdq leveling(LPDDR4 support) */ /* wdq leveling(LPDDR4 support) */
if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) if ((training_flag & PI_WDQ_LEVELING) == PI_WDQ_LEVELING) {
data_training_wdql(chan, channel, sdram_params); ret = data_training_wdql(chan, channel, sdram_params);
if (ret != 0)
goto out;
}
/* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */ /* PHY_927 PHY_PAD_DQS_DRIVE RPULL offset_22 */
clrbits_le32(&denali_phy[927], (1 << 22)); clrbits_le32(&denali_phy[927], (1 << 22));
return 0; out:
return ret;
} }
static void set_ddrconfig(const struct chan_info *chan, static void set_ddrconfig(const struct chan_info *chan,
@ -909,18 +948,18 @@ static void set_ddrconfig(const struct chan_info *chan,
unsigned char channel, u32 ddrconfig) unsigned char channel, u32 ddrconfig)
{ {
/* only need to set ddrconfig */ /* only need to set ddrconfig */
struct rk3399_msch_regs *ddr_msch_regs = chan->msch; struct msch_regs *ddr_msch_regs = chan->msch;
unsigned int cs0_cap = 0; unsigned int cs0_cap = 0;
unsigned int cs1_cap = 0; unsigned int cs1_cap = 0;
cs0_cap = (1 << (sdram_params->ch[channel].cs0_row cs0_cap = (1 << (sdram_params->ch[channel].cap_info.cs0_row
+ sdram_params->ch[channel].col + sdram_params->ch[channel].cap_info.col
+ sdram_params->ch[channel].bk + sdram_params->ch[channel].cap_info.bk
+ sdram_params->ch[channel].bw - 20)); + sdram_params->ch[channel].cap_info.bw - 20));
if (sdram_params->ch[channel].rank > 1) if (sdram_params->ch[channel].cap_info.rank > 1)
cs1_cap = cs0_cap >> (sdram_params->ch[channel].cs0_row cs1_cap = cs0_cap >> (sdram_params->ch[channel].cap_info.cs0_row
- sdram_params->ch[channel].cs1_row); - sdram_params->ch[channel].cap_info.cs1_row);
if (sdram_params->ch[channel].row_3_4) { if (sdram_params->ch[channel].cap_info.row_3_4) {
cs0_cap = cs0_cap * 3 / 4; cs0_cap = cs0_cap * 3 / 4;
cs1_cap = cs1_cap * 3 / 4; cs1_cap = cs1_cap * 3 / 4;
} }
@ -931,55 +970,36 @@ static void set_ddrconfig(const struct chan_info *chan,
} }
static void dram_all_config(struct dram_info *dram, static void dram_all_config(struct dram_info *dram,
const struct rk3399_sdram_params *sdram_params) struct rk3399_sdram_params *sdram_params)
{ {
u32 sys_reg = 0; u32 sys_reg2 = 0;
u32 sys_reg3 = 0;
unsigned int channel, idx; 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; for (channel = 0, idx = 0;
(idx < sdram_params->base.num_channels) && (channel < 2); (idx < sdram_params->base.num_channels) && (channel < 2);
channel++) { channel++) {
const struct rk3399_sdram_channel *info = struct msch_regs *ddr_msch_regs;
&sdram_params->ch[channel]; struct sdram_msch_timings *noc_timing;
struct rk3399_msch_regs *ddr_msch_regs;
const struct rk3399_msch_timings *noc_timing;
if (sdram_params->ch[channel].col == 0) if (sdram_params->ch[channel].cap_info.col == 0)
continue; continue;
idx++; idx++;
sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(channel); sdram_org_config(&sdram_params->ch[channel].cap_info,
sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(channel); &sdram_params->base, &sys_reg2,
sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(channel); &sys_reg3, 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; ddr_msch_regs = dram->chan[channel].msch;
noc_timing = &sdram_params->ch[channel].noc_timings; noc_timing = &sdram_params->ch[channel].noc_timings;
writel(noc_timing->ddrtiminga0, sdram_msch_config(ddr_msch_regs, noc_timing);
&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) */ /* rank 1 memory clock disable (dfi_dram_clk_disable = 1) */
if (sdram_params->ch[channel].rank == 1) if (sdram_params->ch[channel].cap_info.rank == 1)
setbits_le32(&dram->chan[channel].pctl->denali_ctl[276], setbits_le32(&dram->chan[channel].pctl->denali_ctl[276],
1 << 17); 1 << 17);
} }
writel(sys_reg, &dram->pmugrf->os_reg2); writel(sys_reg2, &dram->pmugrf->os_reg2);
writel(sys_reg3, &dram->pmugrf->os_reg3);
rk_clrsetreg(&dram->pmusgrf->soc_con4, 0x1f << 10, rk_clrsetreg(&dram->pmusgrf->soc_con4, 0x1f << 10,
sdram_params->base.stride << 10); sdram_params->base.stride << 10);
@ -1035,12 +1055,458 @@ static int switch_to_phy_index1(struct dram_info *dram,
return 0; return 0;
} }
u16 ddr_cfg_2_rbc[] = {
/*
* [6] highest bit col
* [5:3] max row(14+n)
* [2] insertion row
* [1:0] col(9+n),col, data bus 32bit
*
* highbitcol, max_row, insertion_row, col
*/
((0 << 6) | (2 << 3) | (0 << 2) | 0), /* 0 */
((0 << 6) | (2 << 3) | (0 << 2) | 1), /* 1 */
((0 << 6) | (1 << 3) | (0 << 2) | 2), /* 2 */
((0 << 6) | (0 << 3) | (0 << 2) | 3), /* 3 */
((0 << 6) | (2 << 3) | (1 << 2) | 1), /* 4 */
((0 << 6) | (1 << 3) | (1 << 2) | 2), /* 5 */
((1 << 6) | (0 << 3) | (0 << 2) | 2), /* 6 */
((1 << 6) | (1 << 3) | (0 << 2) | 2), /* 7 */
};
unsigned int calculate_ddrconfig(struct rk3399_sdram_params *sdram_params,
unsigned int channel)
{
unsigned int i;
unsigned int cs0_row = sdram_params->ch[channel].cap_info.cs0_row;
unsigned int col = sdram_params->ch[channel].cap_info.col;
unsigned int bw = sdram_params->ch[channel].cap_info.bw;
col -= (bw == 2) ? 0 : 1;
col -= 9;
for (i = 0; i < 4; i++) {
if ((col == (ddr_cfg_2_rbc[i] & 0x3)) &&
(cs0_row <= (((ddr_cfg_2_rbc[i] >> 3) & 0x7) + 14)))
break;
}
if (i >= 4)
i = -1;
return i;
}
unsigned char calculate_stride(struct rk3399_sdram_params *sdram_params)
{
unsigned int gstride_type;
unsigned int channel;
unsigned int chinfo = 0;
unsigned int cap = 0;
unsigned int stride = -1;
unsigned int ch_cap[2] = {0, 0};
gstride_type = STRIDE_256B;
for (channel = 0; channel < 2; channel++) {
unsigned int cs0_cap = 0;
unsigned int cs1_cap = 0;
struct sdram_cap_info *cap_info =
&sdram_params->ch[channel].cap_info;
if (cap_info->col == 0)
continue;
cs0_cap = (1 << (cap_info->cs0_row + cap_info->col +
cap_info->bk + cap_info->bw - 20));
if (cap_info->rank > 1)
cs1_cap = cs0_cap >> (cap_info->cs0_row
- cap_info->cs1_row);
if (cap_info->row_3_4) {
cs0_cap = cs0_cap * 3 / 4;
cs1_cap = cs1_cap * 3 / 4;
}
ch_cap[channel] = cs0_cap + cs1_cap;
chinfo |= 1 << channel;
}
cap = ch_cap[0] + ch_cap[1];
if (sdram_params->base.num_channels == 1) {
if (chinfo & 1) /* channel a only */
stride = 0x17;
else /* channel b only */
stride = 0x18;
} else {/* 2 channel */
if (ch_cap[0] == ch_cap[1]) {
/* interleaved */
if (gstride_type == PART_STRIDE) {
/*
* first 64MB no interleaved other 256B interleaved
* if 786M+768M.useful space from 0-1280MB and
* 1536MB-1792MB
* if 1.5G+1.5G(continuous).useful space from 0-2560MB
* and 3072MB-3584MB
*/
stride = 0x1F;
} else {
switch (cap) {
/* 512MB */
case 512:
stride = 0;
break;
/* 1GB unstride or 256B stride*/
case 1024:
stride = (gstride_type == UN_STRIDE) ?
0x1 : 0x5;
break;
/*
* 768MB + 768MB same as total 2GB memory
* useful space: 0-768MB 1GB-1792MB
*/
case 1536:
/* 2GB unstride or 256B or 512B stride */
case 2048:
stride = (gstride_type == UN_STRIDE) ?
0x2 :
((gstride_type == STRIDE_512B) ?
0xA : 0x9);
break;
/* 1536MB + 1536MB */
case 3072:
stride = (gstride_type == UN_STRIDE) ?
0x3 :
((gstride_type == STRIDE_512B) ?
0x12 : 0x11);
break;
/* 4GB unstride or 128B,256B,512B,4KB stride */
case 4096:
stride = (gstride_type == UN_STRIDE) ?
0x3 : (0xC + gstride_type);
break;
}
}
}
if (ch_cap[0] == 2048 && ch_cap[1] == 1024) {
/* 2GB + 1GB */
stride = (gstride_type == UN_STRIDE) ? 0x3 : 0x19;
}
/*
* remain two channel capability not equal OR capability
* power function of 2
*/
if (stride == (-1)) {
switch ((ch_cap[0] > ch_cap[1]) ?
ch_cap[0] : ch_cap[1]) {
case 256: /* 256MB + 128MB */
stride = 0;
break;
case 512: /* 512MB + 256MB */
stride = 1;
break;
case 1024:/* 1GB + 128MB/256MB/384MB/512MB/768MB */
stride = 2;
break;
case 2048: /* 2GB + 128MB/256MB/384MB/512MB/768MB/1GB */
stride = 3;
break;
default:
break;
}
}
if (stride == (-1))
goto error;
}
switch (stride) {
case 0xc:
printf("128B stride\n");
break;
case 5:
case 9:
case 0xd:
case 0x11:
case 0x19:
printf("256B stride\n");
break;
case 0xa:
case 0xe:
case 0x12:
printf("512B stride\n");
break;
case 0xf:
printf("4K stride\n");
break;
case 0x1f:
printf("32MB + 256B stride\n");
break;
default:
printf("no stride\n");
}
return stride;
error:
printf("Cap not support!\n");
return (-1);
}
static void set_ddr_stride(struct rk3399_pmusgrf_regs *pmusgrf, u32 stride)
{
rk_clrsetreg(&pmusgrf->soc_con4, 0x1f << 10,
stride << 10);
}
void set_cap_relate_config(const struct chan_info *chan,
struct rk3399_sdram_params *sdram_params,
unsigned int channel)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
u32 tmp;
struct sdram_msch_timings *noc_timing;
if (sdram_params->base.dramtype == LPDDR3) {
tmp = (8 << sdram_params->ch[channel].cap_info.bw) /
(8 << sdram_params->ch[channel].cap_info.dbw);
/* memdata_ratio
* 1 -> 0, 2 -> 1, 4 -> 2
*/
clrsetbits_le32(&denali_ctl[197], 0x7,
(tmp >> 1));
clrsetbits_le32(&denali_ctl[198], 0x7 << 8,
(tmp >> 1) << 8);
}
noc_timing = &sdram_params->ch[channel].noc_timings;
/*
* noc timing bw relate timing is 32 bit, and real bw is 16bit
* actually noc reg is setting at function dram_all_config
*/
if (sdram_params->ch[channel].cap_info.bw == 16 &&
noc_timing->ddrmode.b.mwrsize == 2) {
if (noc_timing->ddrmode.b.burstsize)
noc_timing->ddrmode.b.burstsize -= 1;
noc_timing->ddrmode.b.mwrsize -= 1;
noc_timing->ddrtimingc0.b.burstpenalty *= 2;
noc_timing->ddrtimingc0.b.wrtomwr *= 2;
}
}
void clear_channel_params(struct rk3399_sdram_params *sdram_params,
unsigned int channel)
{
sdram_params->ch[channel].cap_info.rank = 0;
sdram_params->ch[channel].cap_info.col = 0;
sdram_params->ch[channel].cap_info.bk = 0;
sdram_params->ch[channel].cap_info.bw = 32;
sdram_params->ch[channel].cap_info.dbw = 32;
sdram_params->ch[channel].cap_info.row_3_4 = 0;
sdram_params->ch[channel].cap_info.cs0_row = 0;
sdram_params->ch[channel].cap_info.cs1_row = 0;
sdram_params->ch[channel].cap_info.ddrconfig = 0;
}
/* CS0,n=1
* CS1,n=2
* CS0 & CS1, n=3
* cs0_cap: MB unit
*/
void dram_set_cs(const struct chan_info *chan, u32 cs_map, u32 cs0_cap,
unsigned char dramtype)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
u32 *denali_pi = chan->pi->denali_pi;
struct msch_regs *ddr_msch_regs = chan->msch;
clrsetbits_le32(&denali_ctl[196], 0x3, cs_map);
writel((cs0_cap / 32) | (((4096 - cs0_cap) / 32) << 8),
&ddr_msch_regs->ddrsize);
if (dramtype == LPDDR4) {
if (cs_map == 1)
cs_map = 0x5;
else if (cs_map == 2)
cs_map = 0xa;
else
cs_map = 0xF;
}
/*PI_41 PI_CS_MAP:RW:24:4*/
clrsetbits_le32(&denali_pi[41],
0xf << 24, cs_map << 24);
if (cs_map == 1 && dramtype == DDR3)
writel(0x2EC7FFFF, &denali_pi[34]);
}
void dram_set_bw(const struct chan_info *chan, u32 bw)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
if (bw == 2)
clrbits_le32(&denali_ctl[196], 1 << 16);
else
setbits_le32(&denali_ctl[196], 1 << 16);
}
void dram_set_max_col(const struct chan_info *chan, u32 bw, u32 *pcol)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
struct msch_regs *ddr_msch_regs = chan->msch;
u32 *denali_pi = chan->pi->denali_pi;
u32 ddrconfig;
clrbits_le32(&denali_ctl[191], 0xf);
clrsetbits_le32(&denali_ctl[190],
(7 << 24),
((16 - ((bw == 2) ? 14 : 15)) << 24));
/*PI_199 PI_COL_DIFF:RW:0:4*/
clrbits_le32(&denali_pi[199], 0xf);
/*PI_155 PI_ROW_DIFF:RW:24:3*/
clrsetbits_le32(&denali_pi[155],
(7 << 24),
((16 - 12) << 24));
ddrconfig = (bw == 2) ? 3 : 2;
writel(ddrconfig | (ddrconfig << 8), &ddr_msch_regs->ddrconf);
/* set max cs0 size */
writel((4096 / 32) | ((0 / 32) << 8),
&ddr_msch_regs->ddrsize);
*pcol = 12;
}
void dram_set_max_bank(const struct chan_info *chan, u32 bw, u32 *pbank,
u32 *pcol)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
u32 *denali_pi = chan->pi->denali_pi;
clrbits_le32(&denali_ctl[191], 0xf);
clrbits_le32(&denali_ctl[190], (3 << 16));
/*PI_199 PI_COL_DIFF:RW:0:4*/
clrbits_le32(&denali_pi[199], 0xf);
/*PI_155 PI_BANK_DIFF:RW:16:2*/
clrbits_le32(&denali_pi[155], (3 << 16));
*pbank = 3;
*pcol = 12;
}
void dram_set_max_row(const struct chan_info *chan, u32 bw, u32 *prow,
u32 *pbank, u32 *pcol)
{
u32 *denali_ctl = chan->pctl->denali_ctl;
u32 *denali_pi = chan->pi->denali_pi;
struct msch_regs *ddr_msch_regs = chan->msch;
clrsetbits_le32(&denali_ctl[191], 0xf, 12 - 10);
clrbits_le32(&denali_ctl[190],
(0x3 << 16) | (0x7 << 24));
/*PI_199 PI_COL_DIFF:RW:0:4*/
clrsetbits_le32(&denali_pi[199], 0xf, 12 - 10);
/*PI_155 PI_ROW_DIFF:RW:24:3 PI_BANK_DIFF:RW:16:2*/
clrbits_le32(&denali_pi[155],
(0x3 << 16) | (0x7 << 24));
writel(1 | (1 << 8), &ddr_msch_regs->ddrconf);
/* set max cs0 size */
writel((4096 / 32) | ((0 / 32) << 8),
&ddr_msch_regs->ddrsize);
*prow = 16;
*pbank = 3;
*pcol = (bw == 2) ? 10 : 11;
}
static u64 dram_detect_cap(struct dram_info *dram,
struct rk3399_sdram_params *sdram_params,
unsigned char channel)
{
const struct chan_info *chan = &dram->chan[channel];
struct sdram_cap_info *cap_info = &sdram_params->ch[channel].cap_info;
u32 bw;
u32 col_tmp;
u32 bk_tmp;
u32 row_tmp;
u32 cs0_cap;
u32 training_flag;
u32 ddrconfig;
/* detect bw */
bw = 2;
dram_set_bw(chan, bw);
cap_info->bw = bw;
if (data_training(chan, channel, sdram_params, PI_READ_GATE_TRAINING)) {
bw = 1;
dram_set_bw(chan, 1);
cap_info->bw = bw;
if (data_training(chan, channel, sdram_params,
PI_READ_GATE_TRAINING)) {
printf("16bit error!!!\n");
goto error;
}
}
/*
* LPDDR3 CA training msut be trigger before other training.
* DDR3 is not have CA training.
*/
if (sdram_params->base.dramtype == LPDDR3)
training_flag = PI_WRITE_LEVELING;
else
training_flag = PI_FULL_TRAINING;
if (sdram_params->base.dramtype != LPDDR4) {
if (data_training(chan, channel, sdram_params, training_flag)) {
printf("full training error!!!\n");
goto error;
}
}
/* detect col */
dram_set_max_col(chan, bw, &col_tmp);
if (sdram_detect_col(cap_info, col_tmp) != 0)
goto error;
/* detect bank */
dram_set_max_bank(chan, bw, &bk_tmp, &col_tmp);
sdram_detect_bank(cap_info, col_tmp, bk_tmp);
/* detect row */
dram_set_max_row(chan, bw, &row_tmp, &bk_tmp, &col_tmp);
if (sdram_detect_row(cap_info, col_tmp, bk_tmp, row_tmp) != 0)
goto error;
/* detect row_3_4 */
sdram_detect_row_3_4(cap_info, col_tmp, bk_tmp);
/* set ddrconfig */
cs0_cap = (1 << (cap_info->cs0_row + cap_info->col + cap_info->bk +
cap_info->bw - 20));
if (cap_info->row_3_4)
cs0_cap = cs0_cap * 3 / 4;
cap_info->cs1_row = cap_info->cs0_row;
set_memory_map(chan, channel, sdram_params);
ddrconfig = calculate_ddrconfig(sdram_params, channel);
if (-1 == ddrconfig)
goto error;
set_ddrconfig(chan, sdram_params, channel,
cap_info->ddrconfig);
/* detect cs1 row */
sdram_detect_cs1_row(cap_info, sdram_params->base.dramtype);
/* detect die bw */
sdram_detect_dbw(cap_info, sdram_params->base.dramtype);
return 0;
error:
return (-1);
}
static int sdram_init(struct dram_info *dram, static int sdram_init(struct dram_info *dram,
const struct rk3399_sdram_params *sdram_params) struct rk3399_sdram_params *sdram_params)
{ {
unsigned char dramtype = sdram_params->base.dramtype; unsigned char dramtype = sdram_params->base.dramtype;
unsigned int ddr_freq = sdram_params->base.ddr_freq; unsigned int ddr_freq = sdram_params->base.ddr_freq;
int channel; int channel;
u32 rank;
int ch;
u32 tmp;
u32 training_flag;
debug("Starting SDRAM initialization...\n"); debug("Starting SDRAM initialization...\n");
@ -1051,33 +1517,87 @@ static int sdram_init(struct dram_info *dram,
return -E2BIG; return -E2BIG;
} }
/* detect rank */
for (ch = 0; ch < 2; ch++) {
sdram_params->ch[ch].cap_info.rank = 2;
for (rank = 2; rank != 0; rank--) {
for (channel = 0; channel < 2; channel++) { for (channel = 0; channel < 2; channel++) {
const struct chan_info *chan = &dram->chan[channel]; const struct chan_info *chan =
&dram->chan[channel];
struct rk3399_cru *cru = dram->cru;
struct rk3399_ddr_publ_regs *publ = chan->publ; struct rk3399_ddr_publ_regs *publ = chan->publ;
phy_pctrl_reset(cru, channel);
phy_dll_bypass_set(publ, ddr_freq); phy_dll_bypass_set(publ, ddr_freq);
if (pctl_cfg(chan, channel, sdram_params) != 0)
if (channel >= sdram_params->base.num_channels) printf("pctl_cfg fail\n");
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 */ /* LPDDR2/LPDDR3 need to wait DAI complete, max 10us */
if (dramtype == LPDDR3) if (dramtype == LPDDR3)
udelay(10); udelay(10);
if (data_training(chan, channel, tmp = (rank == 2) ? 3 : 1;
sdram_params, PI_FULL_TRAINING)) { dram_set_cs(&dram->chan[ch], tmp, 2048,
printf("SDRAM initialization failed, reset\n"); sdram_params->base.dramtype);
return -EIO; sdram_params->ch[ch].cap_info.rank = rank;
/*
* LPDDR3 CA training msut be trigger before
* other training.
* DDR3 is not have CA training.
* LPDDR4 need confirm here!
*/
if (sdram_params->base.dramtype == LPDDR3)
training_flag = PI_CA_TRAINING |
PI_READ_GATE_TRAINING;
else
training_flag = PI_READ_GATE_TRAINING;
if (!(data_training(&dram->chan[ch], ch, sdram_params,
training_flag)))
break;
}
sdram_params->ch[ch].cap_info.rank = rank;
} }
set_ddrconfig(chan, sdram_params, channel, sdram_params->base.num_channels = 0;
sdram_params->ch[channel].ddrconfig); for (channel = 0; channel < 2; channel++) {
const struct chan_info *chan = &dram->chan[channel];
struct sdram_cap_info *cap_info =
&sdram_params->ch[channel].cap_info;
if (cap_info->rank == 0) {
clear_channel_params(sdram_params, 1);
continue;
} else {
sdram_params->base.num_channels++;
} }
printf("Channel ");
printf(channel ? "1: " : "0: ");
if (channel == 0)
set_ddr_stride(dram->pmusgrf, 0x17);
else
set_ddr_stride(dram->pmusgrf, 0x18);
if (dram_detect_cap(dram, sdram_params, channel)) {
printf("Cap error!\n");
continue;
}
sdram_print_ddr_info(cap_info, &sdram_params->base, 0);
set_memory_map(chan, channel, sdram_params);
cap_info->ddrconfig =
calculate_ddrconfig(sdram_params, channel);
if (-1 == cap_info->ddrconfig) {
printf("no ddrconfig find, Cap not support!\n");
continue;
}
set_ddrconfig(chan, sdram_params, channel, cap_info->ddrconfig);
set_cap_relate_config(chan, sdram_params, channel);
}
sdram_params->base.stride = calculate_stride(sdram_params);
dram_all_config(dram, sdram_params); dram_all_config(dram, sdram_params);
switch_to_phy_index1(dram, sdram_params); switch_to_phy_index1(dram, sdram_params);
@ -1225,7 +1745,6 @@ static struct ram_ops rk3399_dmc_ops = {
.get_info = rk3399_dmc_get_info, .get_info = rk3399_dmc_get_info,
}; };
static const struct udevice_id rk3399_dmc_ids[] = { static const struct udevice_id rk3399_dmc_ids[] = {
{ .compatible = "rockchip,rk3399-dmc" }, { .compatible = "rockchip,rk3399-dmc" },
{ } { }