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vf610: refactor DDRMC code 

The VF610 DDRMC driver code contains settings which are
board-specific. Move these out to boards so that new boards
can define their own without having to modify the driver.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
This commit is contained in:
Albert ARIBAUD \\(3ADEV\\) 2015-09-21 22:43:37 +02:00 committed by Stefano Babic
parent b9a1609915
commit 3f353ceccb
5 changed files with 312 additions and 223 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

185
arch/arm/imx-common/ddrmc-vf610.c
View File

@ -12,9 +12,9 @@
#include <asm/arch/iomux-vf610.h>
#include <asm/arch/ddrmc-vf610.h>
void ddrmc_setup_iomux(void)
void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count)
{
static const iomux_v3_cfg_t ddr_pads[] = {
static const iomux_v3_cfg_t default_pads[] = {
VF610_PAD_DDR_A15__DDR_A_15,
VF610_PAD_DDR_A14__DDR_A_14,
VF610_PAD_DDR_A13__DDR_A_13,
@ -65,76 +65,54 @@ void ddrmc_setup_iomux(void)
VF610_PAD_DDR_RESETB,
};
imx_iomux_v3_setup_multiple_pads(ddr_pads, ARRAY_SIZE(ddr_pads));
if ((pads == NULL) || (pads_count == 0)) {
pads = default_pads;
pads_count = ARRAY_SIZE(default_pads);
}
void ddrmc_phy_init(void)
{
struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
imx_iomux_v3_setup_multiple_pads(pads, pads_count);
}
writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[0]);
writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[16]);
writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[32]);
static struct ddrmc_phy_setting default_phy_settings[] = {
{ DDRMC_PHY_DQ_TIMING, 0 },
{ DDRMC_PHY_DQ_TIMING, 16 },
{ DDRMC_PHY_DQ_TIMING, 32 },
writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[1]);
writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[17]);
{ DDRMC_PHY_DQS_TIMING, 1 },
{ DDRMC_PHY_DQS_TIMING, 17 },
writel(DDRMC_PHY_CTRL, &ddrmr->phy[2]);
writel(DDRMC_PHY_CTRL, &ddrmr->phy[18]);
writel(DDRMC_PHY_CTRL, &ddrmr->phy[34]);
{ DDRMC_PHY_CTRL, 2 },
{ DDRMC_PHY_CTRL, 18 },
{ DDRMC_PHY_CTRL, 34 },
writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[3]);
writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[19]);
writel(DDRMC_PHY_MASTER_CTRL, &ddrmr->phy[35]);
{ DDRMC_PHY_MASTER_CTRL, 3 },
{ DDRMC_PHY_MASTER_CTRL, 19 },
{ DDRMC_PHY_MASTER_CTRL, 35 },
writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[4]);
writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[20]);
writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[36]);
{ DDRMC_PHY_SLAVE_CTRL, 4 },
{ DDRMC_PHY_SLAVE_CTRL, 20 },
{ DDRMC_PHY_SLAVE_CTRL, 36 },
/* LPDDR2 only parameter */
writel(DDRMC_PHY_OFF, &ddrmr->phy[49]);
{ DDRMC_PHY_OFF, 49 },
writel(DDRMC_PHY50_DDR3_MODE |
DDRMC_PHY50_EN_SW_HALF_CYCLE, &ddrmr->phy[50]);
{ DDRMC_PHY50_DDR3_MODE | DDRMC_PHY50_EN_SW_HALF_CYCLE, 50 },
/* Processor Pad ODT settings */
writel(DDRMC_PHY_PROC_PAD_ODT, &ddrmr->phy[52]);
}
{ DDRMC_PHY_PROC_PAD_ODT, 52 },
static void ddrmc_ctrl_lvl_init(struct ddrmc_lvl_info *lvl)
{
struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
u32 cr102 = 0, cr105 = 0, cr106 = 0, cr110 = 0;
if (lvl->wrlvl_reg_en) {
writel(DDRMC_CR97_WRLVL_EN, &ddrmr->cr[97]);
writel(DDRMC_CR98_WRLVL_DL_0(lvl->wrlvl_dl_0), &ddrmr->cr[98]);
writel(DDRMC_CR99_WRLVL_DL_1(lvl->wrlvl_dl_1), &ddrmr->cr[99]);
}
if (lvl->rdlvl_reg_en) {
cr102 |= DDRMC_CR102_RDLVL_REG_EN;
cr105 |= DDRMC_CR105_RDLVL_DL_0(lvl->rdlvl_dl_0);
cr110 |= DDRMC_CR110_RDLVL_DL_1(lvl->rdlvl_dl_1);
}
if (lvl->rdlvl_gt_reg_en) {
cr102 |= DDRMC_CR102_RDLVL_GT_REGEN;
cr106 |= DDRMC_CR106_RDLVL_GTDL_0(lvl->rdlvl_gt_dl_0);
cr110 |= DDRMC_CR110_RDLVL_GTDL_1(lvl->rdlvl_gt_dl_1);
}
writel(cr102, &ddrmr->cr[102]);
writel(cr105, &ddrmr->cr[105]);
writel(cr106, &ddrmr->cr[106]);
writel(cr110, &ddrmr->cr[110]);
}
/* end marker */
{ 0, -1 }
};
void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
struct ddrmc_lvl_info *lvl,
struct ddrmc_cr_setting *board_cr_settings,
struct ddrmc_phy_setting *board_phy_settings,
int col_diff, int row_diff)
{
struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR;
struct ddrmc_cr_setting *cr_setting;
struct ddrmc_phy_setting *phy_setting;
writel(DDRMC_CR00_DRAM_CLASS_DDR3, &ddrmr->cr[0]);
writel(DDRMC_CR02_DRAM_TINIT(timings->tinit), &ddrmr->cr[2]);
@ -144,7 +122,9 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
writel(DDRMC_CR12_WRLAT(timings->wrlat) |
DDRMC_CR12_CASLAT_LIN(timings->caslat_lin), &ddrmr->cr[12]);
writel(DDRMC_CR13_TRC(timings->trc) | DDRMC_CR13_TRRD(timings->trrd) |
DDRMC_CR13_TCCD(timings->tccd), &ddrmr->cr[13]);
DDRMC_CR13_TCCD(timings->tccd) |
DDRMC_CR13_TBST_INT_INTERVAL(timings->tbst_int_interval),
&ddrmr->cr[13]);
writel(DDRMC_CR14_TFAW(timings->tfaw) | DDRMC_CR14_TRP(timings->trp) |
DDRMC_CR14_TWTR(timings->twtr) |
DDRMC_CR14_TRAS_MIN(timings->tras_min), &ddrmr->cr[14]);
@ -156,18 +136,19 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
DDRMC_CR18_TCKE(timings->tcke), &ddrmr->cr[18]);
writel(DDRMC_CR20_AP_EN, &ddrmr->cr[20]);
writel(DDRMC_CR21_TRCD_INT(timings->trcd_int) |
DDRMC_CR21_CCMAP_EN, &ddrmr->cr[21]);
writel(DDRMC_CR21_TRCD_INT(timings->trcd_int) | DDRMC_CR21_CCMAP_EN |
DDRMC_CR21_TRAS_LOCKOUT(timings->tras_lockout),
&ddrmr->cr[21]);
writel(DDRMC_CR22_TDAL(timings->tdal), &ddrmr->cr[22]);
writel(DDRMC_CR23_BSTLEN(3) |
writel(DDRMC_CR23_BSTLEN(timings->bstlen) |
DDRMC_CR23_TDLL(timings->tdll), &ddrmr->cr[23]);
writel(DDRMC_CR24_TRP_AB(timings->trp_ab), &ddrmr->cr[24]);
writel(DDRMC_CR25_TREF_EN, &ddrmr->cr[25]);
writel(DDRMC_CR26_TREF(timings->tref) |
DDRMC_CR26_TRFC(timings->trfc), &ddrmr->cr[26]);
writel(DDRMC_CR28_TREF_INT(0), &ddrmr->cr[28]);
writel(DDRMC_CR28_TREF_INT(timings->tref_int), &ddrmr->cr[28]);
writel(DDRMC_CR29_TPDEX(timings->tpdex), &ddrmr->cr[29]);
writel(DDRMC_CR30_TXPDLL(timings->txpdll), &ddrmr->cr[30]);
@ -177,7 +158,7 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
writel(DDRMC_CR34_CKSRX(timings->cksrx) |
DDRMC_CR34_CKSRE(timings->cksre), &ddrmr->cr[34]);
writel(DDRMC_CR38_FREQ_CHG_EN(0), &ddrmr->cr[38]);
writel(DDRMC_CR38_FREQ_CHG_EN(timings->freq_chg_en), &ddrmr->cr[38]);
writel(DDRMC_CR39_PHY_INI_COM(1024) | DDRMC_CR39_PHY_INI_STA(16) |
DDRMC_CR39_FRQ_CH_DLLOFF(2), &ddrmr->cr[39]);
@ -191,13 +172,14 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
writel(DDRMC_CR69_ZQ_ON_SREF_EX(2), &ddrmr->cr[69]);
writel(DDRMC_CR70_REF_PER_ZQ(timings->ref_per_zq), &ddrmr->cr[70]);
writel(DDRMC_CR72_ZQCS_ROTATE(0), &ddrmr->cr[72]);
writel(DDRMC_CR72_ZQCS_ROTATE(timings->zqcs_rotate), &ddrmr->cr[72]);
writel(DDRMC_CR73_APREBIT(timings->aprebit) |
DDRMC_CR73_COL_DIFF(col_diff) |
DDRMC_CR73_ROW_DIFF(row_diff), &ddrmr->cr[73]);
writel(DDRMC_CR74_BANKSPLT_EN | DDRMC_CR74_ADDR_CMP_EN |
DDRMC_CR74_CMD_AGE_CNT(64) | DDRMC_CR74_AGE_CNT(64),
DDRMC_CR74_CMD_AGE_CNT(timings->cmd_age_cnt) |
DDRMC_CR74_AGE_CNT(timings->age_cnt),
&ddrmr->cr[74]);
writel(DDRMC_CR75_RW_PG_EN | DDRMC_CR75_RW_EN | DDRMC_CR75_PRI_EN |
DDRMC_CR75_PLEN, &ddrmr->cr[75]);
@ -205,13 +187,15 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
DDRMC_CR76_W2R_SPLT_EN, &ddrmr->cr[76]);
writel(DDRMC_CR77_CS_MAP | DDRMC_CR77_DI_RD_INTLEAVE |
DDRMC_CR77_SWAP_EN, &ddrmr->cr[77]);
writel(DDRMC_CR78_Q_FULLNESS(7) |
writel(DDRMC_CR78_Q_FULLNESS(timings->q_fullness) |
DDRMC_CR78_BUR_ON_FLY_BIT(12), &ddrmr->cr[78]);
writel(DDRMC_CR79_CTLUPD_AREF(0), &ddrmr->cr[79]);
writel(DDRMC_CR82_INT_MASK, &ddrmr->cr[82]);
writel(DDRMC_CR87_ODT_WR_MAPCS0, &ddrmr->cr[87]);
writel(DDRMC_CR87_ODT_RD_MAPCS0(timings->odt_rd_mapcs0) |
DDRMC_CR87_ODT_WR_MAPCS0(timings->odt_wr_mapcs0),
&ddrmr->cr[87]);
writel(DDRMC_CR88_TODTL_CMD(4), &ddrmr->cr[88]);
writel(DDRMC_CR89_AODT_RWSMCS(2), &ddrmr->cr[89]);
@ -219,58 +203,33 @@ void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
writel(DDRMC_CR96_WLMRD(timings->wlmrd) |
DDRMC_CR96_WLDQSEN(timings->wldqsen), &ddrmr->cr[96]);
if (lvl != NULL)
ddrmc_ctrl_lvl_init(lvl);
/* execute custom CR setting sequence (may be NULL) */
cr_setting = board_cr_settings;
if (cr_setting != NULL)
while (cr_setting->cr_rnum >= 0) {
writel(cr_setting->setting,
&ddrmr->cr[cr_setting->cr_rnum]);
cr_setting++;
}
writel(DDRMC_CR117_AXI0_W_PRI(0) |
DDRMC_CR117_AXI0_R_PRI(0), &ddrmr->cr[117]);
writel(DDRMC_CR118_AXI1_W_PRI(1) |
DDRMC_CR118_AXI1_R_PRI(1), &ddrmr->cr[118]);
/* perform default PHY settings (may be overriden by custom settings */
phy_setting = default_phy_settings;
while (phy_setting->phy_rnum >= 0) {
writel(phy_setting->setting,
&ddrmr->phy[phy_setting->phy_rnum]);
phy_setting++;
}
writel(DDRMC_CR120_AXI0_PRI1_RPRI(2) |
DDRMC_CR120_AXI0_PRI0_RPRI(2), &ddrmr->cr[120]);
writel(DDRMC_CR121_AXI0_PRI3_RPRI(2) |
DDRMC_CR121_AXI0_PRI2_RPRI(2), &ddrmr->cr[121]);
writel(DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
DDRMC_CR122_AXI0_PRIRLX(100), &ddrmr->cr[122]);
writel(DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
DDRMC_CR123_AXI1_PRI2_RPRI(1), &ddrmr->cr[123]);
writel(DDRMC_CR124_AXI1_PRIRLX(100), &ddrmr->cr[124]);
writel(DDRMC_CR126_PHY_RDLAT(8), &ddrmr->cr[126]);
writel(DDRMC_CR132_WRLAT_ADJ(5) |
DDRMC_CR132_RDLAT_ADJ(6), &ddrmr->cr[132]);
writel(DDRMC_CR137_PHYCTL_DL(2), &ddrmr->cr[137]);
writel(DDRMC_CR138_PHY_WRLV_MXDL(256) |
DDRMC_CR138_PHYDRAM_CK_EN(1), &ddrmr->cr[138]);
writel(DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
DDRMC_CR139_PHY_WRLV_DLL(3) |
DDRMC_CR139_PHY_WRLV_EN(3), &ddrmr->cr[139]);
writel(DDRMC_CR140_PHY_WRLV_WW(64), &ddrmr->cr[140]);
writel(DDRMC_CR143_RDLV_GAT_MXDL(1536) |
DDRMC_CR143_RDLV_MXDL(128), &ddrmr->cr[143]);
writel(DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
DDRMC_CR144_PHY_RDLV_DLL(3) |
DDRMC_CR144_PHY_RDLV_EN(3), &ddrmr->cr[144]);
writel(DDRMC_CR145_PHY_RDLV_RR(64), &ddrmr->cr[145]);
writel(DDRMC_CR146_PHY_RDLVL_RESP(64), &ddrmr->cr[146]);
writel(DDRMC_CR147_RDLV_RESP_MASK(983040), &ddrmr->cr[147]);
writel(DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), &ddrmr->cr[148]);
writel(DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), &ddrmr->cr[151]);
writel(DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
DDRMC_CR154_PAD_ZQ_MODE(1) |
DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
DDRMC_CR154_PAD_ZQ_HW_FOR(1), &ddrmr->cr[154]);
writel(DDRMC_CR155_PAD_ODT_BYTE1(2) |
DDRMC_CR155_PAD_ODT_BYTE0(2), &ddrmr->cr[155]);
writel(DDRMC_CR158_TWR(6), &ddrmr->cr[158]);
writel(DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
DDRMC_CR161_TODTH_WR(2), &ddrmr->cr[161]);
ddrmc_phy_init();
/* execute custom PHY setting sequence (may be NULL) */
phy_setting = board_phy_settings;
if (phy_setting != NULL)
while (phy_setting->phy_rnum >= 0) {
writel(phy_setting->setting,
&ddrmr->phy[phy_setting->phy_rnum]);
phy_setting++;
}
/* all inits done, start the DDR controller */
writel(DDRMC_CR00_DRAM_CLASS_DDR3 | DDRMC_CR00_START, &ddrmr->cr[0]);
while (!(readl(&ddrmr->cr[80]) && 0x100))

38
arch/arm/include/asm/arch-vf610/ddrmc-vf610.h
View File

@ -11,18 +11,6 @@
#ifndef __ASM_ARCH_VF610_DDRMC_H
#define __ASM_ARCH_VF610_DDRMC_H
struct ddrmc_lvl_info {
u16 wrlvl_reg_en;
u16 wrlvl_dl_0;
u16 wrlvl_dl_1;
u16 rdlvl_gt_reg_en;
u16 rdlvl_gt_dl_0;
u16 rdlvl_gt_dl_1;
u16 rdlvl_reg_en;
u16 rdlvl_dl_0;
u16 rdlvl_dl_1;
};
struct ddr3_jedec_timings {
u8 tinit;
u32 trst_pwron;
@ -32,6 +20,7 @@ struct ddr3_jedec_timings {
u8 trc;
u8 trrd;
u8 tccd;
u8 tbst_int_interval;
u8 tfaw;
u8 trp;
u8 twtr;
@ -43,30 +32,51 @@ struct ddr3_jedec_timings {
u8 tckesr;
u8 tcke;
u8 trcd_int;
u8 tras_lockout;
u8 tdal;
u8 bstlen;
u16 tdll;
u8 trp_ab;
u16 tref;
u8 trfc;
u16 tref_int;
u8 tpdex;
u8 txpdll;
u8 txsnr;
u16 txsr;
u8 cksrx;
u8 cksre;
u8 freq_chg_en;
u16 zqcl;
u16 zqinit;
u8 zqcs;
u8 ref_per_zq;
u8 zqcs_rotate;
u8 aprebit;
u8 cmd_age_cnt;
u8 age_cnt;
u8 q_fullness;
u8 odt_rd_mapcs0;
u8 odt_wr_mapcs0;
u8 wlmrd;
u8 wldqsen;
};
void ddrmc_setup_iomux(void);
struct ddrmc_cr_setting {
u32 setting;
int cr_rnum; /* CR register ; -1 for last entry */
};
struct ddrmc_phy_setting {
u32 setting;
int phy_rnum; /* PHY register ; -1 for last entry */
};
void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count);
void ddrmc_phy_init(void);
void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
struct ddrmc_lvl_info *lvl,
struct ddrmc_cr_setting *board_cr_settings,
struct ddrmc_phy_setting *board_phy_settings,
int col_diff, int row_diff);
#endif

6
arch/arm/include/asm/arch-vf610/imx-regs.h
View File

@ -148,7 +148,7 @@
#define DDRMC_CR18_TCKE(v) ((v) & 0x7)
#define DDRMC_CR20_AP_EN (1 << 24)
#define DDRMC_CR21_TRCD_INT(v) (((v) & 0xff) << 16)
#define DDRMC_CR21_TRAS_LOCKOUT (1 << 8)
#define DDRMC_CR21_TRAS_LOCKOUT(v) ((v) << 8)
#define DDRMC_CR21_CCMAP_EN 1
#define DDRMC_CR22_TDAL(v) (((v) & 0x3f) << 16)
#define DDRMC_CR23_BSTLEN(v) (((v) & 0x7) << 24)
@ -200,8 +200,8 @@
#define DDRMC_CR78_BUR_ON_FLY_BIT(v) ((v) & 0xf)
#define DDRMC_CR79_CTLUPD_AREF(v) (((v) & 0x1) << 24)
#define DDRMC_CR82_INT_MASK 0x10000000
#define DDRMC_CR87_ODT_WR_MAPCS0 (1 << 24)
#define DDRMC_CR87_ODT_RD_MAPCS0 (1 << 16)
#define DDRMC_CR87_ODT_WR_MAPCS0(v) ((v) << 24)
#define DDRMC_CR87_ODT_RD_MAPCS0(v) ((v) << 16)
#define DDRMC_CR88_TODTL_CMD(v) (((v) & 0x1f) << 16)
#define DDRMC_CR89_AODT_RWSMCS(v) ((v) & 0xf)
#define DDRMC_CR91_R2W_SMCSDL(v) (((v) & 0x7) << 16)

82
board/freescale/vf610twr/vf610twr.c
View File

@ -28,20 +28,63 @@ DECLARE_GLOBAL_DATA_PTR;
#define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE)
int dram_init(void)
{
struct ddrmc_lvl_info lvl = {
.wrlvl_reg_en = 1,
.wrlvl_dl_0 = 0,
.wrlvl_dl_1 = 0,
.rdlvl_gt_reg_en = 1,
.rdlvl_gt_dl_0 = 4,
.rdlvl_gt_dl_1 = 4,
.rdlvl_reg_en = 1,
.rdlvl_dl_0 = 0,
.rdlvl_dl_1 = 0,
static struct ddrmc_cr_setting vf610twr_cr_settings[] = {
/* levelling */
{ DDRMC_CR97_WRLVL_EN, 97 },
{ DDRMC_CR98_WRLVL_DL_0(0), 98 },
{ DDRMC_CR99_WRLVL_DL_1(0), 99 },
{ DDRMC_CR102_RDLVL_REG_EN | DDRMC_CR102_RDLVL_GT_REGEN, 102 },
{ DDRMC_CR105_RDLVL_DL_0(0), 105 },
{ DDRMC_CR106_RDLVL_GTDL_0(4), 106 },
{ DDRMC_CR110_RDLVL_DL_1(0) | DDRMC_CR110_RDLVL_GTDL_1(4), 110 },
/* AXI */
{ DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
{ DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
{ DDRMC_CR120_AXI0_PRI1_RPRI(2) |
DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
{ DDRMC_CR121_AXI0_PRI3_RPRI(2) |
DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
{ DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
DDRMC_CR122_AXI0_PRIRLX(100), 122 },
{ DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
{ DDRMC_CR124_AXI1_PRIRLX(100), 124 },
{ DDRMC_CR126_PHY_RDLAT(8), 126 },
{ DDRMC_CR132_WRLAT_ADJ(5) |
DDRMC_CR132_RDLAT_ADJ(6), 132 },
{ DDRMC_CR137_PHYCTL_DL(2), 137 },
{ DDRMC_CR138_PHY_WRLV_MXDL(256) |
DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
{ DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
DDRMC_CR139_PHY_WRLV_DLL(3) |
DDRMC_CR139_PHY_WRLV_EN(3), 139 },
{ DDRMC_CR140_PHY_WRLV_WW(64), 140 },
{ DDRMC_CR143_RDLV_GAT_MXDL(1536) |
DDRMC_CR143_RDLV_MXDL(128), 143 },
{ DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
DDRMC_CR144_PHY_RDLV_DLL(3) |
DDRMC_CR144_PHY_RDLV_EN(3), 144 },
{ DDRMC_CR145_PHY_RDLV_RR(64), 145 },
{ DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
{ DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
{ DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
{ DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
{ DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
DDRMC_CR154_PAD_ZQ_MODE(1) |
DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 },
{ DDRMC_CR155_PAD_ODT_BYTE1(1) | DDRMC_CR155_PAD_ODT_BYTE0(1), 155 },
{ DDRMC_CR158_TWR(6), 158 },
{ DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
DDRMC_CR161_TODTH_WR(2), 161 },
/* end marker */
{ 0, -1 }
};
int dram_init(void)
{
static const struct ddr3_jedec_timings timings = {
.tinit = 5,
.trst_pwron = 80000,
@ -51,6 +94,7 @@ int dram_init(void)
.trc = 21,
.trrd = 4,
.tccd = 4,
.tbst_int_interval = 0,
.tfaw = 20,
.trp = 6,
.twtr = 4,
@ -62,29 +106,39 @@ int dram_init(void)
.tckesr = 4,
.tcke = 3,
.trcd_int = 6,
.tras_lockout = 0,
.tdal = 12,
.bstlen = 0,
.tdll = 512,
.trp_ab = 6,
.tref = 3120,
.trfc = 44,
.tref_int = 0,
.tpdex = 3,
.txpdll = 10,
.txsnr = 48,
.txsr = 468,
.cksrx = 5,
.cksre = 5,
.freq_chg_en = 0,
.zqcl = 256,
.zqinit = 512,
.zqcs = 64,
.ref_per_zq = 64,
.zqcs_rotate = 0,
.aprebit = 10,
.cmd_age_cnt = 64,
.age_cnt = 64,
.q_fullness = 7,
.odt_rd_mapcs0 = 0,
.odt_wr_mapcs0 = 1,
.wlmrd = 40,
.wldqsen = 25,
};
ddrmc_setup_iomux();
ddrmc_setup_iomux(NULL, 0);
ddrmc_ctrl_init_ddr3(&timings, &lvl, 1, 3);
ddrmc_ctrl_init_ddr3(&timings, vf610twr_cr_settings, NULL, 1, 3);
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;

70
board/toradex/colibri_vf/colibri_vf.c
View File

@ -35,6 +35,61 @@ DECLARE_GLOBAL_DATA_PTR;
#define USB_PEN_GPIO 83
static struct ddrmc_cr_setting colibri_vf_cr_settings[] = {
/* levelling */
{ DDRMC_CR97_WRLVL_EN, 97 },
{ DDRMC_CR98_WRLVL_DL_0(0), 98 },
{ DDRMC_CR99_WRLVL_DL_1(0), 99 },
{ DDRMC_CR102_RDLVL_REG_EN | DDRMC_CR102_RDLVL_GT_REGEN, 102 },
{ DDRMC_CR105_RDLVL_DL_0(0), 105 },
{ DDRMC_CR106_RDLVL_GTDL_0(4), 106 },
{ DDRMC_CR110_RDLVL_DL_1(0) | DDRMC_CR110_RDLVL_GTDL_1(4), 110 },
/* AXI */
{ DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
{ DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
{ DDRMC_CR120_AXI0_PRI1_RPRI(2) |
DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
{ DDRMC_CR121_AXI0_PRI3_RPRI(2) |
DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
{ DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
DDRMC_CR122_AXI0_PRIRLX(100), 122 },
{ DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
{ DDRMC_CR124_AXI1_PRIRLX(100), 124 },
{ DDRMC_CR126_PHY_RDLAT(8), 126 },
{ DDRMC_CR132_WRLAT_ADJ(5) |
DDRMC_CR132_RDLAT_ADJ(6), 132 },
{ DDRMC_CR137_PHYCTL_DL(2), 137 },
{ DDRMC_CR138_PHY_WRLV_MXDL(256) |
DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
{ DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
DDRMC_CR139_PHY_WRLV_DLL(3) |
DDRMC_CR139_PHY_WRLV_EN(3), 139 },
{ DDRMC_CR140_PHY_WRLV_WW(64), 140 },
{ DDRMC_CR143_RDLV_GAT_MXDL(1536) |
DDRMC_CR143_RDLV_MXDL(128), 143 },
{ DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
DDRMC_CR144_PHY_RDLV_DLL(3) |
DDRMC_CR144_PHY_RDLV_EN(3), 144 },
{ DDRMC_CR145_PHY_RDLV_RR(64), 145 },
{ DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
{ DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
{ DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
{ DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
{ DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
DDRMC_CR154_PAD_ZQ_MODE(1) |
DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 },
{ DDRMC_CR155_PAD_ODT_BYTE1(1) | DDRMC_CR155_PAD_ODT_BYTE0(1), 155 },
{ DDRMC_CR158_TWR(6), 158 },
{ DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
DDRMC_CR161_TODTH_WR(2), 161 },
/* end marker */
{ 0, -1 }
};
static const iomux_v3_cfg_t usb_pads[] = {
VF610_PAD_PTD4__GPIO_83,
};
@ -50,6 +105,7 @@ int dram_init(void)
.trc = 21,
.trrd = 4,
.tccd = 4,
.tbst_int_interval = 0,
.tfaw = 20,
.trp = 6,
.twtr = 4,
@ -61,29 +117,39 @@ int dram_init(void)
.tckesr = 4,
.tcke = 3,
.trcd_int = 6,
.tras_lockout = 0,
.tdal = 12,
.bstlen = 0,
.tdll = 512,
.trp_ab = 6,
.tref = 3120,
.trfc = 64,
.tref_int = 0,
.tpdex = 3,
.txpdll = 10,
.txsnr = 48,
.txsr = 468,
.cksrx = 5,
.cksre = 5,
.freq_chg_en = 0,
.zqcl = 256,
.zqinit = 512,
.zqcs = 64,
.ref_per_zq = 64,
.zqcs_rotate = 0,
.aprebit = 10,
.cmd_age_cnt = 64,
.age_cnt = 64,
.q_fullness = 7,
.odt_rd_mapcs0 = 0,
.odt_wr_mapcs0 = 1,
.wlmrd = 40,
.wldqsen = 25,
};
ddrmc_setup_iomux();
ddrmc_setup_iomux(NULL, 0);
ddrmc_ctrl_init_ddr3(&timings, NULL, 1, 2);
ddrmc_ctrl_init_ddr3(&timings, colibri_vf_cr_settings, NULL, 1, 2);
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;