mirror of
https://github.com/AsahiLinux/u-boot
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77f46f0607
This does not use driver model and is more than two years past the migration date. Drop it. It can be added back later if needed. Signed-off-by: Simon Glass <sjg@chromium.org>
403 lines
11 KiB
C
403 lines
11 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2015-2019 Toradex, Inc.
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*
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* Based on vf610twr.c:
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* Copyright 2013 Freescale Semiconductor, Inc.
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*/
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#include <common.h>
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#include <init.h>
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#include <asm/global_data.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/ddrmc-vf610.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/iomux-vf610.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <env.h>
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#include <fdt_support.h>
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#include <g_dnl.h>
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#include <jffs2/load_kernel.h>
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#include <mtd_node.h>
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#include <usb.h>
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#include "../common/tdx-common.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define PTC0_GPIO_45 45
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static struct ddrmc_cr_setting colibri_vf_cr_settings[] = {
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{ DDRMC_CR79_CTLUPD_AREF(1), 79 },
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/* sets manual values for read lvl. (gate) delay of data slice 0/1 */
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{ DDRMC_CR105_RDLVL_DL_0(28), 105 },
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{ DDRMC_CR106_RDLVL_GTDL_0(24), 106 },
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{ DDRMC_CR110_RDLVL_DL_1(28) | DDRMC_CR110_RDLVL_GTDL_1(24), 110 },
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{ DDRMC_CR102_RDLVL_GT_REGEN | DDRMC_CR102_RDLVL_REG_EN, 102 },
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/* AXI */
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{ DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
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{ DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
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{ DDRMC_CR120_AXI0_PRI1_RPRI(2) |
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DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
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{ DDRMC_CR121_AXI0_PRI3_RPRI(2) |
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DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
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{ DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
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DDRMC_CR122_AXI0_PRIRLX(100), 122 },
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{ DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
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DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
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{ DDRMC_CR124_AXI1_PRIRLX(100), 124 },
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{ DDRMC_CR126_PHY_RDLAT(8), 126 },
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{ DDRMC_CR132_WRLAT_ADJ(5) |
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DDRMC_CR132_RDLAT_ADJ(6), 132 },
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{ DDRMC_CR137_PHYCTL_DL(2), 137 },
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{ DDRMC_CR138_PHY_WRLV_MXDL(256) |
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DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
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{ DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
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DDRMC_CR139_PHY_WRLV_DLL(3) |
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DDRMC_CR139_PHY_WRLV_EN(3), 139 },
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{ DDRMC_CR140_PHY_WRLV_WW(64), 140 },
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{ DDRMC_CR143_RDLV_GAT_MXDL(1536) |
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DDRMC_CR143_RDLV_MXDL(128), 143 },
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{ DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
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DDRMC_CR144_PHY_RDLV_DLL(3) |
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DDRMC_CR144_PHY_RDLV_EN(3), 144 },
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{ DDRMC_CR145_PHY_RDLV_RR(64), 145 },
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{ DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
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{ DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
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{ DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
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{ DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
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DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
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{ DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
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DDRMC_CR154_PAD_ZQ_MODE(1) |
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DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
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DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 },
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{ DDRMC_CR155_PAD_ODT_BYTE1(2) | DDRMC_CR155_PAD_ODT_BYTE0(2), 155 },
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{ DDRMC_CR158_TWR(6), 158 },
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{ DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
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DDRMC_CR161_TODTH_WR(2), 161 },
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/* end marker */
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{ 0, -1 }
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};
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int dram_init(void)
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{
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static const struct ddr3_jedec_timings timings = {
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.tinit = 5,
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.trst_pwron = 80000,
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.cke_inactive = 200000,
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.wrlat = 5,
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.caslat_lin = 12,
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.trc = 21,
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.trrd = 4,
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.tccd = 4,
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.tbst_int_interval = 0,
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.tfaw = 20,
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.trp = 6,
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.twtr = 4,
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.tras_min = 15,
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.tmrd = 4,
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.trtp = 4,
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.tras_max = 28080,
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.tmod = 12,
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.tckesr = 4,
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.tcke = 3,
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.trcd_int = 6,
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.tras_lockout = 0,
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.tdal = 12,
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.bstlen = 3,
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.tdll = 512, /* not applicable since freq. scaling
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* is not used
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*/
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.trp_ab = 6,
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.tref = 3120,
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.trfc = 64,
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.tref_int = 0,
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.tpdex = 3,
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.txpdll = 10,
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.txsnr = 68, /* changed to conform to JEDEC
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* specifications
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*/
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.txsr = 506, /* changed to conform to JEDEC
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* specifications
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*/
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.cksrx = 5,
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.cksre = 5,
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.freq_chg_en = 0,
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.zqcl = 256,
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.zqinit = 512,
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.zqcs = 64,
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.ref_per_zq = 64,
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.zqcs_rotate = 0,
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.aprebit = 10,
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.cmd_age_cnt = 64,
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.age_cnt = 64,
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.q_fullness = 7,
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.odt_rd_mapcs0 = 0,
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.odt_wr_mapcs0 = 1,
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.wlmrd = 40,
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.wldqsen = 25,
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};
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ddrmc_ctrl_init_ddr3(&timings, colibri_vf_cr_settings, NULL, 1, 2);
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gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
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return 0;
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}
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#ifdef CONFIG_VYBRID_GPIO
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static void setup_iomux_gpio(void)
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{
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static const iomux_v3_cfg_t gpio_pads[] = {
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VF610_PAD_PTA17__GPIO_7,
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VF610_PAD_PTA20__GPIO_10,
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VF610_PAD_PTA21__GPIO_11,
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VF610_PAD_PTA30__GPIO_20,
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VF610_PAD_PTA31__GPIO_21,
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VF610_PAD_PTB0__GPIO_22,
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VF610_PAD_PTB1__GPIO_23,
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VF610_PAD_PTB6__GPIO_28,
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VF610_PAD_PTB7__GPIO_29,
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VF610_PAD_PTB8__GPIO_30,
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VF610_PAD_PTB9__GPIO_31,
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VF610_PAD_PTB12__GPIO_34,
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VF610_PAD_PTB13__GPIO_35,
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VF610_PAD_PTB16__GPIO_38,
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VF610_PAD_PTB17__GPIO_39,
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VF610_PAD_PTB18__GPIO_40,
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VF610_PAD_PTB21__GPIO_43,
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VF610_PAD_PTB22__GPIO_44,
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VF610_PAD_PTC0__GPIO_45,
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VF610_PAD_PTC1__GPIO_46,
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VF610_PAD_PTC2__GPIO_47,
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VF610_PAD_PTC3__GPIO_48,
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VF610_PAD_PTC4__GPIO_49,
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VF610_PAD_PTC5__GPIO_50,
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VF610_PAD_PTC6__GPIO_51,
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VF610_PAD_PTC7__GPIO_52,
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VF610_PAD_PTC8__GPIO_53,
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VF610_PAD_PTD31__GPIO_63,
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VF610_PAD_PTD30__GPIO_64,
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VF610_PAD_PTD29__GPIO_65,
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VF610_PAD_PTD28__GPIO_66,
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VF610_PAD_PTD27__GPIO_67,
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VF610_PAD_PTD26__GPIO_68,
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VF610_PAD_PTD25__GPIO_69,
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VF610_PAD_PTD24__GPIO_70,
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VF610_PAD_PTD9__GPIO_88,
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VF610_PAD_PTD10__GPIO_89,
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VF610_PAD_PTD11__GPIO_90,
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VF610_PAD_PTD12__GPIO_91,
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VF610_PAD_PTD13__GPIO_92,
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VF610_PAD_PTB23__GPIO_93,
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VF610_PAD_PTB26__GPIO_96,
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VF610_PAD_PTB28__GPIO_98,
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VF610_PAD_PTC30__GPIO_103,
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VF610_PAD_PTA7__GPIO_134,
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};
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imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
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}
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#endif
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static inline int is_colibri_vf61(void)
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{
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struct mscm *mscm = (struct mscm *)MSCM_BASE_ADDR;
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/*
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* Detect board type by Level 2 Cache: VF50 don't have any
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* Level 2 Cache.
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*/
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return !!mscm->cpxcfg1;
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}
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static void clock_init(void)
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{
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struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
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struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
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u32 pfd_clk_sel, ddr_clk_sel;
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clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
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CCM_CCGR0_UART0_CTRL_MASK);
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#ifdef CONFIG_FSL_DSPI
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setbits_le32(&ccm->ccgr0, CCM_CCGR0_DSPI1_CTRL_MASK);
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#endif
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clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
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CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
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CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
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CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
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CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
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CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
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CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
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CCM_CCGR4_GPC_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
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CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
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CCM_CCGR7_SDHC1_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
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CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
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clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
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CCM_CCGR10_NFC_CTRL_MASK);
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#ifdef CONFIG_USB_EHCI_VF
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setbits_le32(&ccm->ccgr1, CCM_CCGR1_USBC0_CTRL_MASK);
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setbits_le32(&ccm->ccgr7, CCM_CCGR7_USBC1_CTRL_MASK);
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clrsetbits_le32(&anadig->pll3_ctrl, ANADIG_PLL3_CTRL_BYPASS |
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ANADIG_PLL3_CTRL_POWERDOWN |
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ANADIG_PLL3_CTRL_DIV_SELECT,
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ANADIG_PLL3_CTRL_ENABLE);
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clrsetbits_le32(&anadig->pll7_ctrl, ANADIG_PLL7_CTRL_BYPASS |
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ANADIG_PLL7_CTRL_POWERDOWN |
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ANADIG_PLL7_CTRL_DIV_SELECT,
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ANADIG_PLL7_CTRL_ENABLE);
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#endif
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clrsetbits_le32(&anadig->pll5_ctrl, ANADIG_PLL5_CTRL_BYPASS |
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ANADIG_PLL5_CTRL_POWERDOWN, ANADIG_PLL5_CTRL_ENABLE |
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ANADIG_PLL5_CTRL_DIV_SELECT);
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if (is_colibri_vf61()) {
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clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL5_CTRL_BYPASS |
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ANADIG_PLL2_CTRL_POWERDOWN,
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ANADIG_PLL2_CTRL_ENABLE |
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ANADIG_PLL2_CTRL_DIV_SELECT);
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}
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clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
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ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
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clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
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CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
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/* See "Typical PLL Configuration" */
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if (is_colibri_vf61()) {
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pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(1);
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ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(0);
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} else {
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pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(3);
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ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(1);
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}
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clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK, pfd_clk_sel |
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CCM_CCSR_PLL2_PFD4_EN | CCM_CCSR_PLL2_PFD3_EN |
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CCM_CCSR_PLL2_PFD2_EN | CCM_CCSR_PLL2_PFD1_EN |
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CCM_CCSR_PLL1_PFD4_EN | CCM_CCSR_PLL1_PFD3_EN |
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CCM_CCSR_PLL1_PFD2_EN | CCM_CCSR_PLL1_PFD1_EN |
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ddr_clk_sel | CCM_CCSR_FAST_CLK_SEL(1) |
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CCM_CCSR_SYS_CLK_SEL(4));
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clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
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CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
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CCM_CACRR_ARM_CLK_DIV(0));
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clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
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CCM_CSCMR1_ESDHC1_CLK_SEL(3) |
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CCM_CSCMR1_NFC_CLK_SEL(0));
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clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
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CCM_CSCDR1_RMII_CLK_EN);
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clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
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CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
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CCM_CSCDR2_NFC_EN);
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clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
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CCM_CSCDR3_NFC_PRE_DIV(3));
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clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
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CCM_CSCMR2_RMII_CLK_SEL(2));
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}
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static void mscm_init(void)
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{
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struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
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int i;
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for (i = 0; i < MSCM_IRSPRC_NUM; i++)
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writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
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}
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int board_early_init_f(void)
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{
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clock_init();
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mscm_init();
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#ifdef CONFIG_VYBRID_GPIO
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setup_iomux_gpio();
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#endif
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return 0;
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}
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#ifdef CONFIG_BOARD_LATE_INIT
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int board_late_init(void)
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{
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struct src *src = (struct src *)SRC_BASE_ADDR;
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if (((src->sbmr2 & SRC_SBMR2_BMOD_MASK) >> SRC_SBMR2_BMOD_SHIFT)
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== SRC_SBMR2_BMOD_SERIAL) {
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printf("Serial Downloader recovery mode, disable autoboot\n");
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env_set("bootdelay", "-1");
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}
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return 0;
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}
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#endif /* CONFIG_BOARD_LATE_INIT */
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int board_init(void)
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{
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struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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/*
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* Enable external 32K Oscillator
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*
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* The internal clock experiences significant drift
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* so we must use the external oscillator in order
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* to maintain correct time in the hwclock
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*/
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setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
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return 0;
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}
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int checkboard(void)
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{
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if (is_colibri_vf61())
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puts("Model: Toradex Colibri VF61\n");
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else
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puts("Model: Toradex Colibri VF50\n");
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return 0;
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}
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#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, struct bd_info *bd)
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{
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#ifdef CONFIG_FDT_FIXUP_PARTITIONS
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static const struct node_info nodes[] = {
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{ "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
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};
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/* Update partition nodes using info from mtdparts env var */
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puts(" Updating MTD partitions...\n");
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fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
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#endif
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return ft_common_board_setup(blob, bd);
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}
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#endif
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/*
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* Backlight off before OS handover
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*/
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void board_preboot_os(void)
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{
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gpio_request(PTC0_GPIO_45, "BL_ON");
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gpio_direction_output(PTC0_GPIO_45, 0);
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}
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