u-boot/arch/arm/cpu/armv7/ls102xa/soc.c
Ran Wang 0e8a4264ec armv7: Add workaround for USB erratum A-009007
Rx Compliance tests may fail intermittently at high
jitter frequencies using default register values

Program register USB_PHY_RX_OVRD_IN_HI in certain sequence
to make the Rx compliance test pass.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Suresh Gupta <suresh.bhagat@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
[YS: Reordered Kconfig options]
Reviewed-by: York Sun <york.sun@nxp.com>
2017-09-11 08:01:07 -07:00

212 lines
5.6 KiB
C

/*
* Copyright 2015 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/io.h>
#include <asm/arch/fsl_serdes.h>
#include <asm/arch/immap_ls102xa.h>
#include <asm/arch/ls102xa_soc.h>
#include <asm/arch/ls102xa_stream_id.h>
#include <fsl_csu.h>
struct liodn_id_table sec_liodn_tbl[] = {
SET_SEC_JR_LIODN_ENTRY(0, 0x10, 0x10),
SET_SEC_JR_LIODN_ENTRY(1, 0x10, 0x10),
SET_SEC_JR_LIODN_ENTRY(2, 0x10, 0x10),
SET_SEC_JR_LIODN_ENTRY(3, 0x10, 0x10),
SET_SEC_RTIC_LIODN_ENTRY(a, 0x10),
SET_SEC_RTIC_LIODN_ENTRY(b, 0x10),
SET_SEC_RTIC_LIODN_ENTRY(c, 0x10),
SET_SEC_RTIC_LIODN_ENTRY(d, 0x10),
SET_SEC_DECO_LIODN_ENTRY(0, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(1, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(2, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(3, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(4, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(5, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(6, 0x10, 0x10),
SET_SEC_DECO_LIODN_ENTRY(7, 0x10, 0x10),
};
struct smmu_stream_id dev_stream_id[] = {
{ 0x100, 0x01, "ETSEC MAC1" },
{ 0x104, 0x02, "ETSEC MAC2" },
{ 0x108, 0x03, "ETSEC MAC3" },
{ 0x10c, 0x04, "PEX1" },
{ 0x110, 0x05, "PEX2" },
{ 0x114, 0x06, "qDMA" },
{ 0x118, 0x07, "SATA" },
{ 0x11c, 0x08, "USB3" },
{ 0x120, 0x09, "QE" },
{ 0x124, 0x0a, "eSDHC" },
{ 0x128, 0x0b, "eMA" },
{ 0x14c, 0x0c, "2D-ACE" },
{ 0x150, 0x0d, "USB2" },
{ 0x18c, 0x0e, "DEBUG" },
};
unsigned int get_soc_major_rev(void)
{
struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
unsigned int svr, major;
svr = in_be32(&gur->svr);
major = SVR_MAJ(svr);
return major;
}
static void erratum_a009008(void)
{
#ifdef CONFIG_SYS_FSL_ERRATUM_A009008
u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
clrsetbits_be32(scfg + SCFG_USB3PRM1CR / 4,
0xF << 6,
SCFG_USB_TXVREFTUNE << 6);
#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */
}
static void erratum_a009798(void)
{
#ifdef CONFIG_SYS_FSL_ERRATUM_A009798
u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
clrbits_be32(scfg + SCFG_USB3PRM1CR / 4,
SCFG_USB_SQRXTUNE_MASK << 23);
#endif /* CONFIG_SYS_FSL_ERRATUM_A009798 */
}
static void erratum_a008997(void)
{
#ifdef CONFIG_SYS_FSL_ERRATUM_A008997
u32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;
clrsetbits_be32(scfg + SCFG_USB3PRM2CR / 4,
SCFG_USB_PCSTXSWINGFULL_MASK,
SCFG_USB_PCSTXSWINGFULL_VAL);
#endif /* CONFIG_SYS_FSL_ERRATUM_A008997 */
}
static void erratum_a009007(void)
{
#ifdef CONFIG_SYS_FSL_ERRATUM_A009007
void __iomem *usb_phy = (void __iomem *)USB_PHY_BASE;
out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_1);
out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_2);
out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_3);
out_le16(usb_phy + USB_PHY_RX_OVRD_IN_HI, USB_PHY_RX_EQ_VAL_4);
#endif /* CONFIG_SYS_FSL_ERRATUM_A009007 */
}
void s_init(void)
{
}
#ifdef CONFIG_SYS_FSL_ERRATUM_A010315
void erratum_a010315(void)
{
int i;
for (i = PCIE1; i <= PCIE2; i++)
if (!is_serdes_configured(i)) {
debug("PCIe%d: disabled all R/W permission!\n", i);
set_pcie_ns_access(i, 0);
}
}
#endif
int arch_soc_init(void)
{
struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR;
struct ccsr_cci400 *cci = (struct ccsr_cci400 *)(CONFIG_SYS_IMMR +
CONFIG_SYS_CCI400_OFFSET);
unsigned int major;
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
enable_layerscape_ns_access();
#endif
#ifdef CONFIG_FSL_QSPI
out_be32(&scfg->qspi_cfg, SCFG_QSPI_CLKSEL);
#endif
#ifdef CONFIG_VIDEO_FSL_DCU_FB
out_be32(&scfg->pixclkcr, SCFG_PIXCLKCR_PXCKEN);
#endif
/* Configure Little endian for SAI, ASRC and SPDIF */
out_be32(&scfg->endiancr, SCFG_ENDIANCR_LE);
/*
* Enable snoop requests and DVM message requests for
* All the slave insterfaces.
*/
out_le32(&cci->slave[0].snoop_ctrl,
CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
out_le32(&cci->slave[1].snoop_ctrl,
CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
out_le32(&cci->slave[2].snoop_ctrl,
CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
out_le32(&cci->slave[4].snoop_ctrl,
CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN);
major = get_soc_major_rev();
if (major == SOC_MAJOR_VER_1_0) {
/*
* Set CCI-400 Slave interface S1, S2 Shareable Override
* Register All transactions are treated as non-shareable
*/
out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE);
/* Workaround for the issue that DDR could not respond to
* barrier transaction which is generated by executing DSB/ISB
* instruction. Set CCI-400 control override register to
* terminate the barrier transaction. After DDR is initialized,
* allow barrier transaction to DDR again */
out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER);
}
/* Enable all the snoop signal for various masters */
out_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR |
SCFG_SNPCNFGCR_DCU_RD_WR |
SCFG_SNPCNFGCR_SATA_RD_WR |
SCFG_SNPCNFGCR_USB3_RD_WR |
SCFG_SNPCNFGCR_DBG_RD_WR |
SCFG_SNPCNFGCR_EDMA_SNP);
/*
* Memory controller require a register write before being enabled.
* Affects: DDR
* Register: EDDRTQCFG
* Description: Memory controller performance is not optimal with
* default internal target queue register values.
* Workaround: Write a value of 63b2_0042h to address: 157_020Ch.
*/
out_be32(&scfg->eddrtqcfg, 0x63b20042);
/* Erratum */
erratum_a009008();
erratum_a009798();
erratum_a008997();
erratum_a009007();
return 0;
}
int ls102xa_smmu_stream_id_init(void)
{
ls1021x_config_caam_stream_id(sec_liodn_tbl,
ARRAY_SIZE(sec_liodn_tbl));
ls102xa_config_smmu_stream_id(dev_stream_id,
ARRAY_SIZE(dev_stream_id));
return 0;
}