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author | Sanchayan Maity <maitysanchayan@gmail.com> | 2015-04-15 10:54:22 (GMT) |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2015-04-23 18:56:08 (GMT) |
commit | c7ea243cc095d6510e1a1e3a4969e787a9d41271 (patch) | |
tree | d8739e6a0d0b8eed7d4f4f09037e412652872577 /board/freescale | |
parent | 5db73feb1d3fd0130ce97626bfa75a4287b3380a (diff) | |
download | u-boot-c7ea243cc095d6510e1a1e3a4969e787a9d41271.tar.xz |
ARM: vf610: Move DDR3 initialization to imx-common
In order to avoid code duplication, move the DDR3 initialization to the
common place under imx-common. Currently ROW_DIFF and COL_DIFF can be
chosen from the board file. The JEDEC timings are specified using a
common ddr3_jedec_timings structure.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Diffstat (limited to 'board/freescale')
-rw-r--r-- | board/freescale/vf610twr/vf610twr.c | 282 |
1 files changed, 53 insertions, 229 deletions
diff --git a/board/freescale/vf610twr/vf610twr.c b/board/freescale/vf610twr/vf610twr.c index b634965..eb27542 100644 --- a/board/freescale/vf610twr/vf610twr.c +++ b/board/freescale/vf610twr/vf610twr.c @@ -8,6 +8,7 @@ #include <asm/io.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux-vf610.h> +#include <asm/arch/ddrmc-vf610.h> #include <asm/arch/crm_regs.h> #include <asm/arch/clock.h> #include <mmc.h> @@ -27,240 +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) -void setup_iomux_ddr(void) +int dram_init(void) { - static const iomux_v3_cfg_t ddr_pads[] = { - VF610_PAD_DDR_A15__DDR_A_15, - VF610_PAD_DDR_A14__DDR_A_14, - VF610_PAD_DDR_A13__DDR_A_13, - VF610_PAD_DDR_A12__DDR_A_12, - VF610_PAD_DDR_A11__DDR_A_11, - VF610_PAD_DDR_A10__DDR_A_10, - VF610_PAD_DDR_A9__DDR_A_9, - VF610_PAD_DDR_A8__DDR_A_8, - VF610_PAD_DDR_A7__DDR_A_7, - VF610_PAD_DDR_A6__DDR_A_6, - VF610_PAD_DDR_A5__DDR_A_5, - VF610_PAD_DDR_A4__DDR_A_4, - VF610_PAD_DDR_A3__DDR_A_3, - VF610_PAD_DDR_A2__DDR_A_2, - VF610_PAD_DDR_A1__DDR_A_1, - VF610_PAD_DDR_A0__DDR_A_0, - VF610_PAD_DDR_BA2__DDR_BA_2, - VF610_PAD_DDR_BA1__DDR_BA_1, - VF610_PAD_DDR_BA0__DDR_BA_0, - VF610_PAD_DDR_CAS__DDR_CAS_B, - VF610_PAD_DDR_CKE__DDR_CKE_0, - VF610_PAD_DDR_CLK__DDR_CLK_0, - VF610_PAD_DDR_CS__DDR_CS_B_0, - VF610_PAD_DDR_D15__DDR_D_15, - VF610_PAD_DDR_D14__DDR_D_14, - VF610_PAD_DDR_D13__DDR_D_13, - VF610_PAD_DDR_D12__DDR_D_12, - VF610_PAD_DDR_D11__DDR_D_11, - VF610_PAD_DDR_D10__DDR_D_10, - VF610_PAD_DDR_D9__DDR_D_9, - VF610_PAD_DDR_D8__DDR_D_8, - VF610_PAD_DDR_D7__DDR_D_7, - VF610_PAD_DDR_D6__DDR_D_6, - VF610_PAD_DDR_D5__DDR_D_5, - VF610_PAD_DDR_D4__DDR_D_4, - VF610_PAD_DDR_D3__DDR_D_3, - VF610_PAD_DDR_D2__DDR_D_2, - VF610_PAD_DDR_D1__DDR_D_1, - VF610_PAD_DDR_D0__DDR_D_0, - VF610_PAD_DDR_DQM1__DDR_DQM_1, - VF610_PAD_DDR_DQM0__DDR_DQM_0, - VF610_PAD_DDR_DQS1__DDR_DQS_1, - VF610_PAD_DDR_DQS0__DDR_DQS_0, - VF610_PAD_DDR_RAS__DDR_RAS_B, - VF610_PAD_DDR_WE__DDR_WE_B, - VF610_PAD_DDR_ODT1__DDR_ODT_0, - VF610_PAD_DDR_ODT0__DDR_ODT_1, - VF610_PAD_DDR_RESETB, + 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, }; - imx_iomux_v3_setup_multiple_pads(ddr_pads, ARRAY_SIZE(ddr_pads)); -} - -void ddr_phy_init(void) -{ - struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR; - - writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[0]); - writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[16]); - writel(DDRMC_PHY_DQ_TIMING, &ddrmr->phy[32]); - - writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[1]); - writel(DDRMC_PHY_DQS_TIMING, &ddrmr->phy[17]); - - writel(DDRMC_PHY_CTRL, &ddrmr->phy[2]); - writel(DDRMC_PHY_CTRL, &ddrmr->phy[18]); - writel(DDRMC_PHY_CTRL, &ddrmr->phy[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]); - - writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[4]); - writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[20]); - writel(DDRMC_PHY_SLAVE_CTRL, &ddrmr->phy[36]); - - /* LPDDR2 only parameter */ - writel(DDRMC_PHY_OFF, &ddrmr->phy[49]); - - writel(DDRMC_PHY50_DDR3_MODE | DDRMC_PHY50_EN_SW_HALF_CYCLE, - &ddrmr->phy[50]); - - /* Processor Pad ODT settings */ - writel(DDRMC_PHY_PROC_PAD_ODT, &ddrmr->phy[52]); -} - -void ddr_ctrl_init(void) -{ - struct ddrmr_regs *ddrmr = (struct ddrmr_regs *)DDR_BASE_ADDR; - - writel(DDRMC_CR00_DRAM_CLASS_DDR3, &ddrmr->cr[0]); - writel(DDRMC_CR02_DRAM_TINIT(32), &ddrmr->cr[2]); - writel(DDRMC_CR10_TRST_PWRON(80000), &ddrmr->cr[10]); - - writel(DDRMC_CR11_CKE_INACTIVE(200000), &ddrmr->cr[11]); - writel(DDRMC_CR12_WRLAT(5) | DDRMC_CR12_CASLAT_LIN(12), &ddrmr->cr[12]); - writel(DDRMC_CR13_TRC(21) | DDRMC_CR13_TRRD(4) | DDRMC_CR13_TCCD(4), - &ddrmr->cr[13]); - writel(DDRMC_CR14_TFAW(20) | DDRMC_CR14_TRP(6) | DDRMC_CR14_TWTR(4) | - DDRMC_CR14_TRAS_MIN(15), &ddrmr->cr[14]); - writel(DDRMC_CR16_TMRD(4) | DDRMC_CR16_TRTP(4), &ddrmr->cr[16]); - writel(DDRMC_CR17_TRAS_MAX(28080) | DDRMC_CR17_TMOD(12), - &ddrmr->cr[17]); - writel(DDRMC_CR18_TCKESR(4) | DDRMC_CR18_TCKE(3), &ddrmr->cr[18]); - - writel(DDRMC_CR20_AP_EN, &ddrmr->cr[20]); - writel(DDRMC_CR21_TRCD_INT(6) | DDRMC_CR21_CCMAP_EN, &ddrmr->cr[21]); - - writel(DDRMC_CR22_TDAL(12), &ddrmr->cr[22]); - writel(DDRMC_CR23_BSTLEN(3) | DDRMC_CR23_TDLL(512), &ddrmr->cr[23]); - writel(DDRMC_CR24_TRP_AB(6), &ddrmr->cr[24]); - - writel(DDRMC_CR25_TREF_EN, &ddrmr->cr[25]); - writel(DDRMC_CR26_TREF(3120) | DDRMC_CR26_TRFC(44), &ddrmr->cr[26]); - writel(DDRMC_CR28_TREF_INT(0), &ddrmr->cr[28]); - writel(DDRMC_CR29_TPDEX(3), &ddrmr->cr[29]); - - writel(DDRMC_CR30_TXPDLL(10), &ddrmr->cr[30]); - writel(DDRMC_CR31_TXSNR(48) | DDRMC_CR31_TXSR(468), &ddrmr->cr[31]); - writel(DDRMC_CR33_EN_QK_SREF, &ddrmr->cr[33]); - writel(DDRMC_CR34_CKSRX(5) | DDRMC_CR34_CKSRE(5), &ddrmr->cr[34]); - - writel(DDRMC_CR38_FREQ_CHG_EN(0), &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]); - - writel(DDRMC_CR41_PHY_INI_STRT_INI_DIS, &ddrmr->cr[41]); - writel(DDRMC_CR48_MR1_DA_0(70) | DDRMC_CR48_MR0_DA_0(1056), - &ddrmr->cr[48]); - - writel(DDRMC_CR66_ZQCL(256) | DDRMC_CR66_ZQINIT(512), &ddrmr->cr[66]); - writel(DDRMC_CR67_ZQCS(64), &ddrmr->cr[67]); - writel(DDRMC_CR69_ZQ_ON_SREF_EX(2), &ddrmr->cr[69]); - - writel(DDRMC_CR70_REF_PER_ZQ(64), &ddrmr->cr[70]); - writel(DDRMC_CR72_ZQCS_ROTATE(0), &ddrmr->cr[72]); - - writel(DDRMC_CR73_APREBIT(10) | DDRMC_CR73_COL_DIFF(1) | - DDRMC_CR73_ROW_DIFF(3), &ddrmr->cr[73]); - writel(DDRMC_CR74_BANKSPLT_EN | DDRMC_CR74_ADDR_CMP_EN | - DDRMC_CR74_CMD_AGE_CNT(64) | DDRMC_CR74_AGE_CNT(64), - &ddrmr->cr[74]); - writel(DDRMC_CR75_RW_PG_EN | DDRMC_CR75_RW_EN | DDRMC_CR75_PRI_EN | - DDRMC_CR75_PLEN, &ddrmr->cr[75]); - writel(DDRMC_CR76_NQENT_ACTDIS(3) | DDRMC_CR76_D_RW_G_BKCN(3) | - 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) | 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_CR88_TODTL_CMD(4), &ddrmr->cr[88]); - writel(DDRMC_CR89_AODT_RWSMCS(2), &ddrmr->cr[89]); - - writel(DDRMC_CR91_R2W_SMCSDL(2), &ddrmr->cr[91]); - writel(DDRMC_CR96_WLMRD(40) | DDRMC_CR96_WLDQSEN(25), &ddrmr->cr[96]); - writel(DDRMC_CR97_WRLVL_EN, &ddrmr->cr[97]); - writel(DDRMC_CR98_WRLVL_DL_0, &ddrmr->cr[98]); - writel(DDRMC_CR99_WRLVL_DL_1, &ddrmr->cr[99]); - - writel(DDRMC_CR102_RDLVL_GT_REGEN | DDRMC_CR102_RDLVL_REG_EN, - &ddrmr->cr[102]); - - writel(DDRMC_CR105_RDLVL_DL_0(0), &ddrmr->cr[105]); - writel(DDRMC_CR106_RDLVL_GTDL_0(4), &ddrmr->cr[106]); - writel(DDRMC_CR110_RDLVL_GTDL_1(4), &ddrmr->cr[110]); - writel(DDRMC_CR114_RDLVL_GTDL_2(0), &ddrmr->cr[114]); - writel(DDRMC_CR115_RDLVL_GTDL_2(0), &ddrmr->cr[115]); - - 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]); - - 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]); - - ddr_phy_init(); - - writel(DDRMC_CR00_DRAM_CLASS_DDR3 | DDRMC_CR00_START, &ddrmr->cr[0]); - - udelay(200); -} + static const struct ddr3_jedec_timings timings = { + .tinit = 5, + .trst_pwron = 80000, + .cke_inactive = 200000, + .wrlat = 5, + .caslat_lin = 12, + .trc = 21, + .trrd = 4, + .tccd = 4, + .tfaw = 20, + .trp = 6, + .twtr = 4, + .tras_min = 15, + .tmrd = 4, + .trtp = 4, + .tras_max = 28080, + .tmod = 12, + .tckesr = 4, + .tcke = 3, + .trcd_int = 6, + .tdal = 12, + .tdll = 512, + .trp_ab = 6, + .tref = 3120, + .trfc = 44, + .tpdex = 3, + .txpdll = 10, + .txsnr = 48, + .txsr = 468, + .cksrx = 5, + .cksre = 5, + .zqcl = 256, + .zqinit = 512, + .zqcs = 64, + .ref_per_zq = 64, + .aprebit = 10, + .wlmrd = 40, + .wldqsen = 25, + }; -int dram_init(void) -{ - setup_iomux_ddr(); + ddrmc_setup_iomux(); - ddr_ctrl_init(); + ddrmc_ctrl_init_ddr3(&timings, &lvl, 1, 3); gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); return 0; |