u-boot-brain/board/freescale/vf610twr/vf610twr.c
Tom Rini 83d290c56f SPDX: Convert all of our single license tags to Linux Kernel style
When U-Boot started using SPDX tags we were among the early adopters and
there weren't a lot of other examples to borrow from.  So we picked the
area of the file that usually had a full license text and replaced it
with an appropriate SPDX-License-Identifier: entry.  Since then, the
Linux Kernel has adopted SPDX tags and they place it as the very first
line in a file (except where shebangs are used, then it's second line)
and with slightly different comment styles than us.

In part due to community overlap, in part due to better tag visibility
and in part for other minor reasons, switch over to that style.

This commit changes all instances where we have a single declared
license in the tag as both the before and after are identical in tag
contents.  There's also a few places where I found we did not have a tag
and have introduced one.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-05-07 09:34:12 -04:00

387 lines
11 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2013 Freescale Semiconductor, Inc.
*/
#include <common.h>
#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>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <i2c.h>
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_25ohm | PAD_CTL_OBE_IBE_ENABLE)
#define ESDHC_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_20ohm | PAD_CTL_OBE_IBE_ENABLE)
#define ENET_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE)
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,
.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,
.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(NULL, 0);
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;
}
static void setup_iomux_uart(void)
{
static const iomux_v3_cfg_t uart1_pads[] = {
NEW_PAD_CTRL(VF610_PAD_PTB4__UART1_TX, UART_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTB5__UART1_RX, UART_PAD_CTRL),
};
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
}
static void setup_iomux_enet(void)
{
static const iomux_v3_cfg_t enet0_pads[] = {
NEW_PAD_CTRL(VF610_PAD_PTA6__RMII0_CLKIN, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC1__RMII0_MDIO, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC0__RMII0_MDC, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC2__RMII0_CRS_DV, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC3__RMII0_RD1, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC4__RMII0_RD0, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC5__RMII0_RXER, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC6__RMII0_TD1, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC7__RMII0_TD0, ENET_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTC8__RMII0_TXEN, ENET_PAD_CTRL),
};
imx_iomux_v3_setup_multiple_pads(enet0_pads, ARRAY_SIZE(enet0_pads));
}
static void setup_iomux_i2c(void)
{
static const iomux_v3_cfg_t i2c0_pads[] = {
VF610_PAD_PTB14__I2C0_SCL,
VF610_PAD_PTB15__I2C0_SDA,
};
imx_iomux_v3_setup_multiple_pads(i2c0_pads, ARRAY_SIZE(i2c0_pads));
}
#ifdef CONFIG_NAND_VF610_NFC
static void setup_iomux_nfc(void)
{
static const iomux_v3_cfg_t nfc_pads[] = {
VF610_PAD_PTD31__NF_IO15,
VF610_PAD_PTD30__NF_IO14,
VF610_PAD_PTD29__NF_IO13,
VF610_PAD_PTD28__NF_IO12,
VF610_PAD_PTD27__NF_IO11,
VF610_PAD_PTD26__NF_IO10,
VF610_PAD_PTD25__NF_IO9,
VF610_PAD_PTD24__NF_IO8,
VF610_PAD_PTD23__NF_IO7,
VF610_PAD_PTD22__NF_IO6,
VF610_PAD_PTD21__NF_IO5,
VF610_PAD_PTD20__NF_IO4,
VF610_PAD_PTD19__NF_IO3,
VF610_PAD_PTD18__NF_IO2,
VF610_PAD_PTD17__NF_IO1,
VF610_PAD_PTD16__NF_IO0,
VF610_PAD_PTB24__NF_WE_B,
VF610_PAD_PTB25__NF_CE0_B,
VF610_PAD_PTB27__NF_RE_B,
VF610_PAD_PTC26__NF_RB_B,
VF610_PAD_PTC27__NF_ALE,
VF610_PAD_PTC28__NF_CLE
};
imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads));
}
#endif
static void setup_iomux_qspi(void)
{
static const iomux_v3_cfg_t qspi0_pads[] = {
VF610_PAD_PTD0__QSPI0_A_QSCK,
VF610_PAD_PTD1__QSPI0_A_CS0,
VF610_PAD_PTD2__QSPI0_A_DATA3,
VF610_PAD_PTD3__QSPI0_A_DATA2,
VF610_PAD_PTD4__QSPI0_A_DATA1,
VF610_PAD_PTD5__QSPI0_A_DATA0,
VF610_PAD_PTD7__QSPI0_B_QSCK,
VF610_PAD_PTD8__QSPI0_B_CS0,
VF610_PAD_PTD9__QSPI0_B_DATA3,
VF610_PAD_PTD10__QSPI0_B_DATA2,
VF610_PAD_PTD11__QSPI0_B_DATA1,
VF610_PAD_PTD12__QSPI0_B_DATA0,
};
imx_iomux_v3_setup_multiple_pads(qspi0_pads, ARRAY_SIZE(qspi0_pads));
}
#ifdef CONFIG_FSL_ESDHC
struct fsl_esdhc_cfg esdhc_cfg[1] = {
{ESDHC1_BASE_ADDR},
};
int board_mmc_getcd(struct mmc *mmc)
{
/* eSDHC1 is always present */
return 1;
}
int board_mmc_init(bd_t *bis)
{
static const iomux_v3_cfg_t esdhc1_pads[] = {
NEW_PAD_CTRL(VF610_PAD_PTA24__ESDHC1_CLK, ESDHC_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTA25__ESDHC1_CMD, ESDHC_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTA26__ESDHC1_DAT0, ESDHC_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTA27__ESDHC1_DAT1, ESDHC_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTA28__ESDHC1_DAT2, ESDHC_PAD_CTRL),
NEW_PAD_CTRL(VF610_PAD_PTA29__ESDHC1_DAT3, ESDHC_PAD_CTRL),
};
esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
imx_iomux_v3_setup_multiple_pads(
esdhc1_pads, ARRAY_SIZE(esdhc1_pads));
return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
}
#endif
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;
clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
CCM_CCGR0_UART1_CTRL_MASK);
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 |
CCM_CCGR2_QSPI0_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 | CCM_CCGR4_I2C0_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);
clrsetbits_le32(&anadig->pll2_ctrl, 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));
clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK,
CCM_CCSR_PLL1_PFD_CLK_SEL(3) | 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 | CCM_CCSR_DDRC_CLK_SEL(1) |
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_QSPI0_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_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) |
CCM_CSCDR3_QSPI0_X2_DIV(1) | CCM_CSCDR3_QSPI0_X4_DIV(3) |
CCM_CSCDR3_NFC_PRE_DIV(5));
clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
CCM_CSCMR2_RMII_CLK_SEL(0));
}
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_phy_config(struct phy_device *phydev)
{
if (phydev->drv->config)
phydev->drv->config(phydev);
return 0;
}
int board_early_init_f(void)
{
clock_init();
mscm_init();
setup_iomux_uart();
setup_iomux_enet();
setup_iomux_i2c();
setup_iomux_qspi();
#ifdef CONFIG_NAND_VF610_NFC
setup_iomux_nfc();
#endif
return 0;
}
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)
{
puts("Board: vf610twr\n");
return 0;
}