u-boot/board/toradex/colibri_vf/colibri_vf.c
Stefan Agner be24fc7807 colibri_vf: adjust timing according to data sheet
Using the DDR Validation tool in Processor Expert uncovered two
timing inconsistencies. Since those timings are related to the
suspend mode they do not affect or change regular memory behaviour.

Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Reviewed-by: Igor Opaniuk <igor.opaniuk@toradex.com>
2019-04-13 20:30:09 +02:00

453 lines
12 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2015-2019 Toradex, Inc.
*
* Based on vf610twr.c:
* Copyright 2013 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/ddrmc-vf610.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux-vf610.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <fdt_support.h>
#include <fsl_dcu_fb.h>
#include <g_dnl.h>
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
#include <usb.h>
#include "../common/tdx-common.h"
DECLARE_GLOBAL_DATA_PTR;
#define PTC0_GPIO_45 45
static struct ddrmc_cr_setting colibri_vf_cr_settings[] = {
/* 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(2) | DDRMC_CR155_PAD_ODT_BYTE0(2), 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,
.cke_inactive = 200000,
.wrlat = 5,
.caslat_lin = 12,
.trc = 21,
.trrd = 4,
.tccd = 4,
.tbst_int_interval = 0,
.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,
.tras_lockout = 0,
.tdal = 12,
.bstlen = 3,
.tdll = 512, /* not applicable since freq. scaling
* is not used
*/
.trp_ab = 6,
.tref = 3120,
.trfc = 64,
.tref_int = 0,
.tpdex = 3,
.txpdll = 10,
.txsnr = 68, /* changed to conform to JEDEC
* specifications
*/
.txsr = 506, /* changed to conform to JEDEC
* specifications
*/
.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_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;
}
#ifdef CONFIG_VYBRID_GPIO
static void setup_iomux_gpio(void)
{
static const iomux_v3_cfg_t gpio_pads[] = {
VF610_PAD_PTA17__GPIO_7,
VF610_PAD_PTA20__GPIO_10,
VF610_PAD_PTA21__GPIO_11,
VF610_PAD_PTA30__GPIO_20,
VF610_PAD_PTA31__GPIO_21,
VF610_PAD_PTB0__GPIO_22,
VF610_PAD_PTB1__GPIO_23,
VF610_PAD_PTB6__GPIO_28,
VF610_PAD_PTB7__GPIO_29,
VF610_PAD_PTB8__GPIO_30,
VF610_PAD_PTB9__GPIO_31,
VF610_PAD_PTB12__GPIO_34,
VF610_PAD_PTB13__GPIO_35,
VF610_PAD_PTB16__GPIO_38,
VF610_PAD_PTB17__GPIO_39,
VF610_PAD_PTB18__GPIO_40,
VF610_PAD_PTB21__GPIO_43,
VF610_PAD_PTB22__GPIO_44,
VF610_PAD_PTC0__GPIO_45,
VF610_PAD_PTC1__GPIO_46,
VF610_PAD_PTC2__GPIO_47,
VF610_PAD_PTC3__GPIO_48,
VF610_PAD_PTC4__GPIO_49,
VF610_PAD_PTC5__GPIO_50,
VF610_PAD_PTC6__GPIO_51,
VF610_PAD_PTC7__GPIO_52,
VF610_PAD_PTC8__GPIO_53,
VF610_PAD_PTD31__GPIO_63,
VF610_PAD_PTD30__GPIO_64,
VF610_PAD_PTD29__GPIO_65,
VF610_PAD_PTD28__GPIO_66,
VF610_PAD_PTD27__GPIO_67,
VF610_PAD_PTD26__GPIO_68,
VF610_PAD_PTD25__GPIO_69,
VF610_PAD_PTD24__GPIO_70,
VF610_PAD_PTD9__GPIO_88,
VF610_PAD_PTD10__GPIO_89,
VF610_PAD_PTD11__GPIO_90,
VF610_PAD_PTD12__GPIO_91,
VF610_PAD_PTD13__GPIO_92,
VF610_PAD_PTB23__GPIO_93,
VF610_PAD_PTB26__GPIO_96,
VF610_PAD_PTB28__GPIO_98,
VF610_PAD_PTC30__GPIO_103,
VF610_PAD_PTA7__GPIO_134,
};
imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
}
#endif
#ifdef CONFIG_VIDEO_FSL_DCU_FB
static void setup_iomux_fsl_dcu(void)
{
static const iomux_v3_cfg_t dcu0_pads[] = {
VF610_PAD_PTE0__DCU0_HSYNC,
VF610_PAD_PTE1__DCU0_VSYNC,
VF610_PAD_PTE2__DCU0_PCLK,
VF610_PAD_PTE4__DCU0_DE,
VF610_PAD_PTE5__DCU0_R0,
VF610_PAD_PTE6__DCU0_R1,
VF610_PAD_PTE7__DCU0_R2,
VF610_PAD_PTE8__DCU0_R3,
VF610_PAD_PTE9__DCU0_R4,
VF610_PAD_PTE10__DCU0_R5,
VF610_PAD_PTE11__DCU0_R6,
VF610_PAD_PTE12__DCU0_R7,
VF610_PAD_PTE13__DCU0_G0,
VF610_PAD_PTE14__DCU0_G1,
VF610_PAD_PTE15__DCU0_G2,
VF610_PAD_PTE16__DCU0_G3,
VF610_PAD_PTE17__DCU0_G4,
VF610_PAD_PTE18__DCU0_G5,
VF610_PAD_PTE19__DCU0_G6,
VF610_PAD_PTE20__DCU0_G7,
VF610_PAD_PTE21__DCU0_B0,
VF610_PAD_PTE22__DCU0_B1,
VF610_PAD_PTE23__DCU0_B2,
VF610_PAD_PTE24__DCU0_B3,
VF610_PAD_PTE25__DCU0_B4,
VF610_PAD_PTE26__DCU0_B5,
VF610_PAD_PTE27__DCU0_B6,
VF610_PAD_PTE28__DCU0_B7,
};
imx_iomux_v3_setup_multiple_pads(dcu0_pads, ARRAY_SIZE(dcu0_pads));
}
static void setup_tcon(void)
{
setbits_le32(TCON0_BASE_ADDR, (1 << 29));
}
#endif
static inline int is_colibri_vf61(void)
{
struct mscm *mscm = (struct mscm *)MSCM_BASE_ADDR;
/*
* Detect board type by Level 2 Cache: VF50 don't have any
* Level 2 Cache.
*/
return !!mscm->cpxcfg1;
}
static void clock_init(void)
{
struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
u32 pfd_clk_sel, ddr_clk_sel;
clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
CCM_CCGR0_UART0_CTRL_MASK);
#ifdef CONFIG_FSL_DSPI
setbits_le32(&ccm->ccgr0, CCM_CCGR0_DSPI1_CTRL_MASK);
#endif
clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
CCM_CCGR4_GPC_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
CCM_CCGR7_SDHC1_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
CCM_CCGR10_NFC_CTRL_MASK);
#ifdef CONFIG_USB_EHCI_VF
setbits_le32(&ccm->ccgr1, CCM_CCGR1_USBC0_CTRL_MASK);
setbits_le32(&ccm->ccgr7, CCM_CCGR7_USBC1_CTRL_MASK);
clrsetbits_le32(&anadig->pll3_ctrl, ANADIG_PLL3_CTRL_BYPASS |
ANADIG_PLL3_CTRL_POWERDOWN |
ANADIG_PLL3_CTRL_DIV_SELECT,
ANADIG_PLL3_CTRL_ENABLE);
clrsetbits_le32(&anadig->pll7_ctrl, ANADIG_PLL7_CTRL_BYPASS |
ANADIG_PLL7_CTRL_POWERDOWN |
ANADIG_PLL7_CTRL_DIV_SELECT,
ANADIG_PLL7_CTRL_ENABLE);
#endif
clrsetbits_le32(&anadig->pll5_ctrl, ANADIG_PLL5_CTRL_BYPASS |
ANADIG_PLL5_CTRL_POWERDOWN, ANADIG_PLL5_CTRL_ENABLE |
ANADIG_PLL5_CTRL_DIV_SELECT);
if (is_colibri_vf61()) {
clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL5_CTRL_BYPASS |
ANADIG_PLL2_CTRL_POWERDOWN,
ANADIG_PLL2_CTRL_ENABLE |
ANADIG_PLL2_CTRL_DIV_SELECT);
}
clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
/* See "Typical PLL Configuration" */
if (is_colibri_vf61()) {
pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(1);
ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(0);
} else {
pfd_clk_sel = CCM_CCSR_PLL1_PFD_CLK_SEL(3);
ddr_clk_sel = CCM_CCSR_DDRC_CLK_SEL(1);
}
clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK, pfd_clk_sel |
CCM_CCSR_PLL2_PFD4_EN | CCM_CCSR_PLL2_PFD3_EN |
CCM_CCSR_PLL2_PFD2_EN | CCM_CCSR_PLL2_PFD1_EN |
CCM_CCSR_PLL1_PFD4_EN | CCM_CCSR_PLL1_PFD3_EN |
CCM_CCSR_PLL1_PFD2_EN | CCM_CCSR_PLL1_PFD1_EN |
ddr_clk_sel | CCM_CCSR_FAST_CLK_SEL(1) |
CCM_CCSR_SYS_CLK_SEL(4));
clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
CCM_CACRR_ARM_CLK_DIV(0));
clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
CCM_CSCMR1_ESDHC1_CLK_SEL(3) |
CCM_CSCMR1_NFC_CLK_SEL(0));
clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
CCM_CSCDR1_RMII_CLK_EN);
clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
CCM_CSCDR2_NFC_EN);
clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
CCM_CSCDR3_NFC_PRE_DIV(3));
clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
CCM_CSCMR2_RMII_CLK_SEL(2));
#ifdef CONFIG_VIDEO_FSL_DCU_FB
setbits_le32(&ccm->ccgr1, CCM_CCGR1_TCON0_CTRL_MASK);
setbits_le32(&ccm->ccgr3, CCM_CCGR3_DCU0_CTRL_MASK);
#endif
}
static void mscm_init(void)
{
struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
int i;
for (i = 0; i < MSCM_IRSPRC_NUM; i++)
writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
}
int board_early_init_f(void)
{
clock_init();
mscm_init();
#ifdef CONFIG_VYBRID_GPIO
setup_iomux_gpio();
#endif
#ifdef CONFIG_VIDEO_FSL_DCU_FB
setup_tcon();
setup_iomux_fsl_dcu();
#endif
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
int board_late_init(void)
{
struct src *src = (struct src *)SRC_BASE_ADDR;
if (((src->sbmr2 & SRC_SBMR2_BMOD_MASK) >> SRC_SBMR2_BMOD_SHIFT)
== SRC_SBMR2_BMOD_SERIAL) {
printf("Serial Downloader recovery mode, disable autoboot\n");
env_set("bootdelay", "-1");
}
return 0;
}
#endif /* CONFIG_BOARD_LATE_INIT */
int board_init(void)
{
struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
/*
* Enable external 32K Oscillator
*
* The internal clock experiences significant drift
* so we must use the external oscillator in order
* to maintain correct time in the hwclock
*/
setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
return 0;
}
int checkboard(void)
{
if (is_colibri_vf61())
puts("Model: Toradex Colibri VF61\n");
else
puts("Model: Toradex Colibri VF50\n");
return 0;
}
#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
int ft_board_setup(void *blob, bd_t *bd)
{
int ret = 0;
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
static const struct node_info nodes[] = {
{ "fsl,vf610-nfc", MTD_DEV_TYPE_NAND, }, /* NAND flash */
};
/* Update partition nodes using info from mtdparts env var */
puts(" Updating MTD partitions...\n");
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
#endif
#ifdef CONFIG_VIDEO_FSL_DCU_FB
ret = fsl_dcu_fixedfb_setup(blob);
if (ret)
return ret;
#endif
return ft_common_board_setup(blob, bd);
}
#endif
/*
* Backlight off before OS handover
*/
void board_preboot_os(void)
{
gpio_request(PTC0_GPIO_45, "BL_ON");
gpio_direction_output(PTC0_GPIO_45, 0);
}