u-boot/board/wandboard/spl.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2014 Wandboard
* Author: Tungyi Lin <tungyilin1127@gmail.com>
* Richard Hu <hakahu@gmail.com>
*/
#include <common.h>
#include <init.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <asm/gpio.h>
imx: reorganize IMX code as other SOCs Change is consistent with other SOCs and it is in preparation for adding SOMs. SOC's related files are moved from cpu/ to mach-imx/<SOC>. This change is also coherent with the structure in kernel. Signed-off-by: Stefano Babic <sbabic@denx.de> CC: Fabio Estevam <fabio.estevam@nxp.com> CC: Akshay Bhat <akshaybhat@timesys.com> CC: Ken Lin <Ken.Lin@advantech.com.tw> CC: Marek Vasut <marek.vasut@gmail.com> CC: Heiko Schocher <hs@denx.de> CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com> CC: Christian Gmeiner <christian.gmeiner@gmail.com> CC: Stefan Roese <sr@denx.de> CC: Patrick Bruenn <p.bruenn@beckhoff.com> CC: Troy Kisky <troy.kisky@boundarydevices.com> CC: Nikita Kiryanov <nikita@compulab.co.il> CC: Otavio Salvador <otavio@ossystems.com.br> CC: "Eric Bénard" <eric@eukrea.com> CC: Jagan Teki <jagan@amarulasolutions.com> CC: Ye Li <ye.li@nxp.com> CC: Peng Fan <peng.fan@nxp.com> CC: Adrian Alonso <adrian.alonso@nxp.com> CC: Alison Wang <b18965@freescale.com> CC: Tim Harvey <tharvey@gateworks.com> CC: Martin Donnelly <martin.donnelly@ge.com> CC: Marcin Niestroj <m.niestroj@grinn-global.com> CC: Lukasz Majewski <lukma@denx.de> CC: Adam Ford <aford173@gmail.com> CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr> CC: Boris Brezillon <boris.brezillon@free-electrons.com> CC: Soeren Moch <smoch@web.de> CC: Richard Hu <richard.hu@technexion.com> CC: Wig Cheng <wig.cheng@technexion.com> CC: Vanessa Maegima <vanessa.maegima@nxp.com> CC: Max Krummenacher <max.krummenacher@toradex.com> CC: Stefan Agner <stefan.agner@toradex.com> CC: Markus Niebel <Markus.Niebel@tq-group.com> CC: Breno Lima <breno.lima@nxp.com> CC: Francesco Montefoschi <francesco.montefoschi@udoo.org> CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Scott Wood <oss@buserror.net> CC: Joe Hershberger <joe.hershberger@ni.com> CC: Anatolij Gustschin <agust@denx.de> CC: Simon Glass <sjg@chromium.org> CC: "Andrew F. Davis" <afd@ti.com> CC: "Łukasz Majewski" <l.majewski@samsung.com> CC: Patrice Chotard <patrice.chotard@st.com> CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org> CC: Hans de Goede <hdegoede@redhat.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stephen Warren <swarren@nvidia.com> CC: Andre Przywara <andre.przywara@arm.com> CC: "Álvaro Fernández Rojas" <noltari@gmail.com> CC: York Sun <york.sun@nxp.com> CC: Xiaoliang Yang <xiaoliang.yang@nxp.com> CC: Chen-Yu Tsai <wens@csie.org> CC: George McCollister <george.mccollister@gmail.com> CC: Sven Ebenfeld <sven.ebenfeld@gmail.com> CC: Filip Brozovic <fbrozovic@gmail.com> CC: Petr Kulhavy <brain@jikos.cz> CC: Eric Nelson <eric@nelint.com> CC: Bai Ping <ping.bai@nxp.com> CC: Anson Huang <Anson.Huang@nxp.com> CC: Sanchayan Maity <maitysanchayan@gmail.com> CC: Lokesh Vutla <lokeshvutla@ti.com> CC: Patrick Delaunay <patrick.delaunay@st.com> CC: Gary Bisson <gary.bisson@boundarydevices.com> CC: Alexander Graf <agraf@suse.de> CC: u-boot@lists.denx.de Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2017-06-29 08:16:06 +00:00
#include <asm/mach-imx/iomux-v3.h>
#include <asm/mach-imx/video.h>
#include <mmc.h>
#include <fsl_esdhc_imx.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <spl.h>
#include <asm/arch/mx6-ddr.h>
/*
* Driving strength:
* 0x30 == 40 Ohm
* 0x28 == 48 Ohm
*/
#define IMX6DQ_DRIVE_STRENGTH 0x30
#define IMX6SDL_DRIVE_STRENGTH 0x28
#define IMX6QP_DRIVE_STRENGTH 0x28
/* configure MX6Q/DUAL mmdc DDR io registers */
static struct mx6dq_iomux_ddr_regs mx6dq_ddr_ioregs = {
.dram_sdclk_0 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdclk_1 = IMX6DQ_DRIVE_STRENGTH,
.dram_cas = IMX6DQ_DRIVE_STRENGTH,
.dram_ras = IMX6DQ_DRIVE_STRENGTH,
.dram_reset = IMX6DQ_DRIVE_STRENGTH,
.dram_sdcke0 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdcke1 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdba2 = 0x00000000,
.dram_sdodt0 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdodt1 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs0 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs1 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs2 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs3 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs4 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs5 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs6 = IMX6DQ_DRIVE_STRENGTH,
.dram_sdqs7 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm0 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm1 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm2 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm3 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm4 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm5 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm6 = IMX6DQ_DRIVE_STRENGTH,
.dram_dqm7 = IMX6DQ_DRIVE_STRENGTH,
};
/* configure MX6QP mmdc DDR io registers */
static struct mx6dq_iomux_ddr_regs mx6qp_ddr_ioregs = {
.dram_sdclk_0 = IMX6QP_DRIVE_STRENGTH,
.dram_sdclk_1 = IMX6QP_DRIVE_STRENGTH,
.dram_cas = IMX6QP_DRIVE_STRENGTH,
.dram_ras = IMX6QP_DRIVE_STRENGTH,
.dram_reset = IMX6QP_DRIVE_STRENGTH,
.dram_sdcke0 = IMX6QP_DRIVE_STRENGTH,
.dram_sdcke1 = IMX6QP_DRIVE_STRENGTH,
.dram_sdba2 = 0x00000000,
.dram_sdodt0 = IMX6QP_DRIVE_STRENGTH,
.dram_sdodt1 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs0 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs1 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs2 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs3 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs4 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs5 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs6 = IMX6QP_DRIVE_STRENGTH,
.dram_sdqs7 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm0 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm1 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm2 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm3 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm4 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm5 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm6 = IMX6QP_DRIVE_STRENGTH,
.dram_dqm7 = IMX6QP_DRIVE_STRENGTH,
};
/* configure MX6Q/DUAL mmdc GRP io registers */
static struct mx6dq_iomux_grp_regs mx6dq_grp_ioregs = {
.grp_ddr_type = 0x000c0000,
.grp_ddrmode_ctl = 0x00020000,
.grp_ddrpke = 0x00000000,
.grp_addds = IMX6DQ_DRIVE_STRENGTH,
.grp_ctlds = IMX6DQ_DRIVE_STRENGTH,
.grp_ddrmode = 0x00020000,
.grp_b0ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b1ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b2ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b3ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b4ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b5ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b6ds = IMX6DQ_DRIVE_STRENGTH,
.grp_b7ds = IMX6DQ_DRIVE_STRENGTH,
};
/* configure MX6QP mmdc GRP io registers */
static struct mx6dq_iomux_grp_regs mx6qp_grp_ioregs = {
.grp_ddr_type = 0x000c0000,
.grp_ddrmode_ctl = 0x00020000,
.grp_ddrpke = 0x00000000,
.grp_addds = IMX6QP_DRIVE_STRENGTH,
.grp_ctlds = IMX6QP_DRIVE_STRENGTH,
.grp_ddrmode = 0x00020000,
.grp_b0ds = IMX6QP_DRIVE_STRENGTH,
.grp_b1ds = IMX6QP_DRIVE_STRENGTH,
.grp_b2ds = IMX6QP_DRIVE_STRENGTH,
.grp_b3ds = IMX6QP_DRIVE_STRENGTH,
.grp_b4ds = IMX6QP_DRIVE_STRENGTH,
.grp_b5ds = IMX6QP_DRIVE_STRENGTH,
.grp_b6ds = IMX6QP_DRIVE_STRENGTH,
.grp_b7ds = IMX6QP_DRIVE_STRENGTH,
};
/* configure MX6SOLO/DUALLITE mmdc DDR io registers */
struct mx6sdl_iomux_ddr_regs mx6sdl_ddr_ioregs = {
.dram_sdclk_0 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdclk_1 = IMX6SDL_DRIVE_STRENGTH,
.dram_cas = IMX6SDL_DRIVE_STRENGTH,
.dram_ras = IMX6SDL_DRIVE_STRENGTH,
.dram_reset = IMX6SDL_DRIVE_STRENGTH,
.dram_sdcke0 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdcke1 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdba2 = 0x00000000,
.dram_sdodt0 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdodt1 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs0 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs1 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs2 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs3 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs4 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs5 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs6 = IMX6SDL_DRIVE_STRENGTH,
.dram_sdqs7 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm0 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm1 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm2 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm3 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm4 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm5 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm6 = IMX6SDL_DRIVE_STRENGTH,
.dram_dqm7 = IMX6SDL_DRIVE_STRENGTH,
};
/* configure MX6SOLO/DUALLITE mmdc GRP io registers */
struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
.grp_ddr_type = 0x000c0000,
.grp_ddrmode_ctl = 0x00020000,
.grp_ddrpke = 0x00000000,
.grp_addds = IMX6SDL_DRIVE_STRENGTH,
.grp_ctlds = IMX6SDL_DRIVE_STRENGTH,
.grp_ddrmode = 0x00020000,
.grp_b0ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b1ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b2ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b3ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b4ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b5ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b6ds = IMX6SDL_DRIVE_STRENGTH,
.grp_b7ds = IMX6SDL_DRIVE_STRENGTH,
};
/* H5T04G63AFR-PB */
static struct mx6_ddr3_cfg h5t04g63afr = {
.mem_speed = 1600,
.density = 4,
.width = 16,
.banks = 8,
.rowaddr = 15,
.coladdr = 10,
.pagesz = 2,
.trcd = 1375,
.trcmin = 4875,
.trasmin = 3500,
};
/* H5TQ2G63DFR-H9 */
static struct mx6_ddr3_cfg h5tq2g63dfr = {
.mem_speed = 1333,
.density = 2,
.width = 16,
.banks = 8,
.rowaddr = 14,
.coladdr = 10,
.pagesz = 2,
.trcd = 1350,
.trcmin = 4950,
.trasmin = 3600,
};
static struct mx6_mmdc_calibration mx6q_2g_mmdc_calib = {
.p0_mpwldectrl0 = 0x001f001f,
.p0_mpwldectrl1 = 0x001f001f,
.p1_mpwldectrl0 = 0x001f001f,
.p1_mpwldectrl1 = 0x001f001f,
.p0_mpdgctrl0 = 0x4301030d,
.p0_mpdgctrl1 = 0x03020277,
.p1_mpdgctrl0 = 0x4300030a,
.p1_mpdgctrl1 = 0x02780248,
.p0_mprddlctl = 0x4536393b,
.p1_mprddlctl = 0x36353441,
.p0_mpwrdlctl = 0x41414743,
.p1_mpwrdlctl = 0x462f453f,
};
/* DDR 64bit 2GB */
static struct mx6_ddr_sysinfo mem_q = {
.dsize = 2,
.cs1_mirror = 0,
/* config for full 4GB range so that get_mem_size() works */
.cs_density = 32,
.ncs = 1,
.bi_on = 1,
.rtt_nom = 1,
.rtt_wr = 0,
.ralat = 5,
.walat = 0,
.mif3_mode = 3,
.rst_to_cke = 0x23,
.sde_to_rst = 0x10,
mx6: ddr: Allow changing REFSEL and REFR fields Currently MX6 SPL DDR initialization hardcodes the REF_SEL and REFR fields of the MDREF register as 1 and 7, respectively for DDR3 and 0 and 3 for LPDDR2. Looking at the MDREF initialization done via DCD we see that boards do need to initialize these fields differently: $ git grep 0x021b0020 board/ board/bachmann/ot1200/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/ccv/xpress/imximage.cfg:DATA 4 0x021b0020 0x00000800 /* MMDC0_MDREF */ board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x7800 board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6qp.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6dlsabresd.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6slevk/imximage.cfg:DATA 4 0x021b0020 0x00001800 board/freescale/mx6sxsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/freescale/mx6sxsabresd/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/warp/imximage.cfg:DATA 4 0x021b0020 0x00001800 So introduce a mechanism for users to be able to configure REFSEL and REFR fields as needed. Keep all the mx6 SPL users in their current REF_SEL and REFR values, so no functional changes for the existing users. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Eric Nelson <eric@nelint.com>
2016-08-29 23:37:15 +00:00
.refsel = 1, /* Refresh cycles at 32KHz */
.refr = 3, /* 4 refresh commands per refresh cycle */
};
static struct mx6_mmdc_calibration mx6dl_1g_mmdc_calib = {
.p0_mpwldectrl0 = 0x001f001f,
.p0_mpwldectrl1 = 0x001f001f,
.p1_mpwldectrl0 = 0x001f001f,
.p1_mpwldectrl1 = 0x001f001f,
.p0_mpdgctrl0 = 0x420e020e,
.p0_mpdgctrl1 = 0x02000200,
.p1_mpdgctrl0 = 0x42020202,
.p1_mpdgctrl1 = 0x01720172,
.p0_mprddlctl = 0x494c4f4c,
.p1_mprddlctl = 0x4a4c4c49,
.p0_mpwrdlctl = 0x3f3f3133,
.p1_mpwrdlctl = 0x39373f2e,
};
static struct mx6_mmdc_calibration mx6s_512m_mmdc_calib = {
.p0_mpwldectrl0 = 0x0040003c,
.p0_mpwldectrl1 = 0x0032003e,
.p0_mpdgctrl0 = 0x42350231,
.p0_mpdgctrl1 = 0x021a0218,
.p0_mprddlctl = 0x4b4b4e49,
.p0_mpwrdlctl = 0x3f3f3035,
};
/* DDR 64bit 1GB */
static struct mx6_ddr_sysinfo mem_dl = {
.dsize = 2,
.cs1_mirror = 0,
/* config for full 4GB range so that get_mem_size() works */
.cs_density = 32,
.ncs = 1,
.bi_on = 1,
.rtt_nom = 1,
.rtt_wr = 0,
.ralat = 5,
.walat = 0,
.mif3_mode = 3,
.rst_to_cke = 0x23,
.sde_to_rst = 0x10,
mx6: ddr: Allow changing REFSEL and REFR fields Currently MX6 SPL DDR initialization hardcodes the REF_SEL and REFR fields of the MDREF register as 1 and 7, respectively for DDR3 and 0 and 3 for LPDDR2. Looking at the MDREF initialization done via DCD we see that boards do need to initialize these fields differently: $ git grep 0x021b0020 board/ board/bachmann/ot1200/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/ccv/xpress/imximage.cfg:DATA 4 0x021b0020 0x00000800 /* MMDC0_MDREF */ board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x7800 board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6qp.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6dlsabresd.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6slevk/imximage.cfg:DATA 4 0x021b0020 0x00001800 board/freescale/mx6sxsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/freescale/mx6sxsabresd/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/warp/imximage.cfg:DATA 4 0x021b0020 0x00001800 So introduce a mechanism for users to be able to configure REFSEL and REFR fields as needed. Keep all the mx6 SPL users in their current REF_SEL and REFR values, so no functional changes for the existing users. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Eric Nelson <eric@nelint.com>
2016-08-29 23:37:15 +00:00
.refsel = 1, /* Refresh cycles at 32KHz */
.refr = 3, /* 4 refresh commands per refresh cycle */
};
/* DDR 32bit 512MB */
static struct mx6_ddr_sysinfo mem_s = {
.dsize = 1,
.cs1_mirror = 0,
/* config for full 4GB range so that get_mem_size() works */
.cs_density = 32,
.ncs = 1,
.bi_on = 1,
.rtt_nom = 1,
.rtt_wr = 0,
.ralat = 5,
.walat = 0,
.mif3_mode = 3,
.rst_to_cke = 0x23,
.sde_to_rst = 0x10,
mx6: ddr: Allow changing REFSEL and REFR fields Currently MX6 SPL DDR initialization hardcodes the REF_SEL and REFR fields of the MDREF register as 1 and 7, respectively for DDR3 and 0 and 3 for LPDDR2. Looking at the MDREF initialization done via DCD we see that boards do need to initialize these fields differently: $ git grep 0x021b0020 board/ board/bachmann/ot1200/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/ccv/xpress/imximage.cfg:DATA 4 0x021b0020 0x00000800 /* MMDC0_MDREF */ board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x7800 board/freescale/mx6qarm2/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qarm2/imximage_mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6dl.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6qsabreauto/mx6qp.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6dlsabresd.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6sabresd/mx6q_4x_mt41j128.cfg:DATA 4 0x021b0020 0x00005800 board/freescale/mx6slevk/imximage.cfg:DATA 4 0x021b0020 0x00001800 board/freescale/mx6sxsabreauto/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/freescale/mx6sxsabresd/imximage.cfg:DATA 4 0x021b0020 0x00000800 board/warp/imximage.cfg:DATA 4 0x021b0020 0x00001800 So introduce a mechanism for users to be able to configure REFSEL and REFR fields as needed. Keep all the mx6 SPL users in their current REF_SEL and REFR values, so no functional changes for the existing users. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Eric Nelson <eric@nelint.com>
2016-08-29 23:37:15 +00:00
.refsel = 1, /* Refresh cycles at 32KHz */
.refr = 3, /* 4 refresh commands per refresh cycle */
};
static void ccgr_init(void)
{
struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
writel(0x00C03F3F, &ccm->CCGR0);
writel(0x0030FC03, &ccm->CCGR1);
writel(0x0FFFC000, &ccm->CCGR2);
writel(0x3FF03000, &ccm->CCGR3);
writel(0x00FFF300, &ccm->CCGR4);
writel(0x0F0000C3, &ccm->CCGR5);
writel(0x000003FF, &ccm->CCGR6);
}
static void spl_dram_init_imx6qp_lpddr3(void)
{
/* MMDC0_MDSCR set the Configuration request bit during MMDC set up */
writel(0x00008000, MMDC_P0_BASE_ADDR + 0x01c);
/* Calibrations - ZQ */
writel(0xa1390003, MMDC_P0_BASE_ADDR + 0x800);
/* write leveling */
writel(0x00060004, MMDC_P0_BASE_ADDR + 0x80c);
writel(0x000B0004, MMDC_P0_BASE_ADDR + 0x810);
writel(0x00000004, MMDC_P1_BASE_ADDR + 0x80c);
writel(0x00000000, MMDC_P1_BASE_ADDR + 0x810);
/*
* DQS gating, read delay, write delay calibration values
* based on calibration compare of 0x00ffff00
*/
writel(0x03040314, MMDC_P0_BASE_ADDR + 0x83c);
writel(0x03080300, MMDC_P0_BASE_ADDR + 0x840);
writel(0x03000310, MMDC_P1_BASE_ADDR + 0x83c);
writel(0x0268023C, MMDC_P1_BASE_ADDR + 0x840);
writel(0x4034363A, MMDC_P0_BASE_ADDR + 0x848);
writel(0x36302C3C, MMDC_P1_BASE_ADDR + 0x848);
writel(0x3E3E4046, MMDC_P0_BASE_ADDR + 0x850);
writel(0x483A4844, MMDC_P1_BASE_ADDR + 0x850);
writel(0x33333333, MMDC_P0_BASE_ADDR + 0x81c);
writel(0x33333333, MMDC_P0_BASE_ADDR + 0x820);
writel(0x33333333, MMDC_P0_BASE_ADDR + 0x824);
writel(0x33333333, MMDC_P0_BASE_ADDR + 0x828);
writel(0x33333333, MMDC_P1_BASE_ADDR + 0x81c);
writel(0x33333333, MMDC_P1_BASE_ADDR + 0x820);
writel(0x33333333, MMDC_P1_BASE_ADDR + 0x824);
writel(0x33333333, MMDC_P1_BASE_ADDR + 0x828);
writel(0x24912489, MMDC_P0_BASE_ADDR + 0x8c0);
writel(0x24914452, MMDC_P1_BASE_ADDR + 0x8c0);
writel(0x00000800, MMDC_P0_BASE_ADDR + 0x8b8);
writel(0x00000800, MMDC_P1_BASE_ADDR + 0x8b8);
/* MMDC init: in DDR3, 64-bit mode, only MMDC0 is initiated */
writel(0x00020036, MMDC_P0_BASE_ADDR + 0x004);
writel(0x09444040, MMDC_P0_BASE_ADDR + 0x008);
writel(0x898E79A4, MMDC_P0_BASE_ADDR + 0x00c);
writel(0xDB538F64, MMDC_P0_BASE_ADDR + 0x010);
writel(0x01FF00DD, MMDC_P0_BASE_ADDR + 0x014);
writel(0x00011740, MMDC_P0_BASE_ADDR + 0x018);
writel(0x00008000, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x000026D2, MMDC_P0_BASE_ADDR + 0x02c);
writel(0x008E1023, MMDC_P0_BASE_ADDR + 0x030);
writel(0x00000047, MMDC_P0_BASE_ADDR + 0x040);
writel(0x14420000, MMDC_P0_BASE_ADDR + 0x400);
writel(0x841A0000, MMDC_P0_BASE_ADDR + 0x000);
writel(0x00400c58, MMDC_P0_BASE_ADDR + 0x890);
/* add NOC DDR configuration */
writel(0x00000000, NOC_DDR_BASE_ADDR + 0x008);
writel(0x2871C39B, NOC_DDR_BASE_ADDR + 0x00c);
writel(0x000005B4, NOC_DDR_BASE_ADDR + 0x038);
writel(0x00000040, NOC_DDR_BASE_ADDR + 0x014);
writel(0x00000020, NOC_DDR_BASE_ADDR + 0x028);
writel(0x00000020, NOC_DDR_BASE_ADDR + 0x02c);
writel(0x02088032, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x00008033, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x00048031, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x19308030, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x04008040, MMDC_P0_BASE_ADDR + 0x01c);
writel(0x00007800, MMDC_P0_BASE_ADDR + 0x020);
writel(0x00022227, MMDC_P0_BASE_ADDR + 0x818);
writel(0x00022227, MMDC_P1_BASE_ADDR + 0x818);
writel(0x00025576, MMDC_P0_BASE_ADDR + 0x004);
writel(0x00011006, MMDC_P0_BASE_ADDR + 0x404);
writel(0x00000000, MMDC_P0_BASE_ADDR + 0x01c);
}
static void spl_dram_init(void)
{
if (is_mx6dqp()) {
mx6dq_dram_iocfg(64, &mx6qp_ddr_ioregs, &mx6qp_grp_ioregs);
spl_dram_init_imx6qp_lpddr3();
} else if (is_cpu_type(MXC_CPU_MX6SOLO)) {
mx6sdl_dram_iocfg(32, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
mx6_dram_cfg(&mem_s, &mx6s_512m_mmdc_calib, &h5tq2g63dfr);
} else if (is_cpu_type(MXC_CPU_MX6DL)) {
mx6sdl_dram_iocfg(64, &mx6sdl_ddr_ioregs, &mx6sdl_grp_ioregs);
mx6_dram_cfg(&mem_dl, &mx6dl_1g_mmdc_calib, &h5tq2g63dfr);
} else if (is_cpu_type(MXC_CPU_MX6Q)) {
mx6dq_dram_iocfg(64, &mx6dq_ddr_ioregs, &mx6dq_grp_ioregs);
mx6_dram_cfg(&mem_q, &mx6q_2g_mmdc_calib, &h5t04g63afr);
}
udelay(100);
}
void board_init_f(ulong dummy)
{
ccgr_init();
/* setup AIPS and disable watchdog */
arch_cpu_init();
gpr_init();
/* iomux */
board_early_init_f();
/* setup GP timer */
timer_init();
/* UART clocks enabled and gd valid - init serial console */
preloader_console_init();
/* DDR initialization */
spl_dram_init();
}
#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 2)
#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 9)
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
PAD_CTL_SRE_FAST | PAD_CTL_HYS)
static struct fsl_esdhc_cfg usdhc_cfg[2] = {
{USDHC3_BASE_ADDR},
{USDHC1_BASE_ADDR},
};
static iomux_v3_cfg_t const usdhc1_pads[] = {
IOMUX_PADS(PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
/* Carrier MicroSD Card Detect */
IOMUX_PADS(PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
static iomux_v3_cfg_t const usdhc3_pads[] = {
IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
/* SOM MicroSD Card Detect */
IOMUX_PADS(PAD_EIM_DA9__GPIO3_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
int board_mmc_getcd(struct mmc *mmc)
{
struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
int ret = 0;
switch (cfg->esdhc_base) {
case USDHC1_BASE_ADDR:
ret = !gpio_get_value(USDHC1_CD_GPIO);
break;
case USDHC3_BASE_ADDR:
ret = !gpio_get_value(USDHC3_CD_GPIO);
break;
}
return ret;
}
int board_mmc_init(struct bd_info *bis)
{
int ret;
u32 index = 0;
/*
* Following map is done:
* (U-Boot device node) (Physical Port)
* mmc0 SOM MicroSD
* mmc1 Carrier board MicroSD
*/
for (index = 0; index < CFG_SYS_FSL_USDHC_NUM; ++index) {
switch (index) {
case 0:
SETUP_IOMUX_PADS(usdhc3_pads);
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
usdhc_cfg[0].max_bus_width = 4;
gpio_direction_input(USDHC3_CD_GPIO);
break;
case 1:
SETUP_IOMUX_PADS(usdhc1_pads);
usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
usdhc_cfg[1].max_bus_width = 4;
gpio_direction_input(USDHC1_CD_GPIO);
break;
default:
printf("Warning: you configured more USDHC controllers"
"(%d) then supported by the board (%d)\n",
index + 1, CFG_SYS_FSL_USDHC_NUM);
return -EINVAL;
}
ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
if (ret)
return ret;
}
return 0;
}