mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-07 03:36:16 +09:00
79ed61e9f0
Make the code structure more general so that more socs can be added easily and also remove speed limitation restriction. Add the ls1012a sata support as well. Signed-off-by: Tang Yuantian <andy.tang@nxp.com> Reviewed-by: Michal Simek <michal.simek@xilinx.com> Tested-by: Michal Simek <michal.simek@xilinx.com> (with and without CONFIG_OF_LIVE on zynqmp zcu102) Reviewed-by: York Sun <york.sun@nxp.com>
176 lines
4.0 KiB
C
176 lines
4.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2015 - 2016 Xilinx, Inc.
|
|
* Michal Simek <michal.simek@xilinx.com>
|
|
*/
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <ahci.h>
|
|
#include <scsi.h>
|
|
#include <asm/io.h>
|
|
|
|
/* Vendor Specific Register Offsets */
|
|
#define AHCI_VEND_PCFG 0xA4
|
|
#define AHCI_VEND_PPCFG 0xA8
|
|
#define AHCI_VEND_PP2C 0xAC
|
|
#define AHCI_VEND_PP3C 0xB0
|
|
#define AHCI_VEND_PP4C 0xB4
|
|
#define AHCI_VEND_PP5C 0xB8
|
|
#define AHCI_VEND_AXICC 0xBc
|
|
#define AHCI_VEND_PAXIC 0xC0
|
|
#define AHCI_VEND_PTC 0xC8
|
|
|
|
/* Vendor Specific Register bit definitions */
|
|
#define PAXIC_ADBW_BW64 0x1
|
|
#define PAXIC_MAWIDD (1 << 8)
|
|
#define PAXIC_MARIDD (1 << 16)
|
|
#define PAXIC_OTL (0x4 << 20)
|
|
|
|
#define PCFG_TPSS_VAL (0x32 << 16)
|
|
#define PCFG_TPRS_VAL (0x2 << 12)
|
|
#define PCFG_PAD_VAL 0x2
|
|
|
|
#define PPCFG_TTA 0x1FFFE
|
|
#define PPCFG_PSSO_EN (1 << 28)
|
|
#define PPCFG_PSS_EN (1 << 29)
|
|
#define PPCFG_ESDF_EN (1 << 31)
|
|
|
|
#define PP2C_CIBGMN 0x0F
|
|
#define PP2C_CIBGMX (0x25 << 8)
|
|
#define PP2C_CIBGN (0x18 << 16)
|
|
#define PP2C_CINMP (0x29 << 24)
|
|
|
|
#define PP3C_CWBGMN 0x04
|
|
#define PP3C_CWBGMX (0x0B << 8)
|
|
#define PP3C_CWBGN (0x08 << 16)
|
|
#define PP3C_CWNMP (0x0F << 24)
|
|
|
|
#define PP4C_BMX 0x0a
|
|
#define PP4C_BNM (0x08 << 8)
|
|
#define PP4C_SFD (0x4a << 16)
|
|
#define PP4C_PTST (0x06 << 24)
|
|
|
|
#define PP5C_RIT 0x60216
|
|
#define PP5C_RCT (0x7f0 << 20)
|
|
|
|
#define PTC_RX_WM_VAL 0x40
|
|
#define PTC_RSVD (1 << 27)
|
|
|
|
#define PORT0_BASE 0x100
|
|
#define PORT1_BASE 0x180
|
|
|
|
/* Port Control Register Bit Definitions */
|
|
#define PORT_SCTL_SPD_GEN3 (0x3 << 4)
|
|
#define PORT_SCTL_SPD_GEN2 (0x2 << 4)
|
|
#define PORT_SCTL_SPD_GEN1 (0x1 << 4)
|
|
#define PORT_SCTL_IPM (0x3 << 8)
|
|
|
|
#define PORT_BASE 0x100
|
|
#define PORT_OFFSET 0x80
|
|
#define NR_PORTS 2
|
|
#define DRV_NAME "ahci-ceva"
|
|
#define CEVA_FLAG_BROKEN_GEN2 1
|
|
|
|
/* flag bit definition */
|
|
#define FLAG_COHERENT 1
|
|
|
|
/* register config value */
|
|
#define CEVA_PHY1_CFG 0xa003fffe
|
|
#define CEVA_PHY2_CFG 0x28184d1f
|
|
#define CEVA_PHY3_CFG 0x0e081509
|
|
#define CEVA_TRANS_CFG 0x08000029
|
|
#define CEVA_AXICC_CFG 0x3fffffff
|
|
|
|
/* ecc addr-val pair */
|
|
#define ECC_DIS_ADDR_CH2 0x80000000
|
|
#define ECC_DIS_VAL_CH2 0x20140520
|
|
|
|
enum ceva_soc {
|
|
CEVA_1V84,
|
|
CEVA_LS1012A,
|
|
};
|
|
|
|
struct ceva_sata_priv {
|
|
ulong base;
|
|
enum ceva_soc soc;
|
|
ulong flag;
|
|
};
|
|
|
|
static int ceva_init_sata(struct ceva_sata_priv *priv)
|
|
{
|
|
ulong base = priv->base;
|
|
ulong tmp;
|
|
|
|
switch (priv->soc) {
|
|
case CEVA_1V84:
|
|
tmp = PAXIC_ADBW_BW64 | PAXIC_MAWIDD | PAXIC_MARIDD | PAXIC_OTL;
|
|
writel(tmp, base + AHCI_VEND_PAXIC);
|
|
tmp = PCFG_TPSS_VAL | PCFG_TPRS_VAL | PCFG_PAD_VAL;
|
|
writel(tmp, base + AHCI_VEND_PCFG);
|
|
tmp = PPCFG_TTA | PPCFG_PSS_EN | PPCFG_ESDF_EN;
|
|
writel(tmp, base + AHCI_VEND_PPCFG);
|
|
tmp = PTC_RX_WM_VAL | PTC_RSVD;
|
|
writel(tmp, base + AHCI_VEND_PTC);
|
|
break;
|
|
|
|
case CEVA_LS1012A:
|
|
writel(ECC_DIS_ADDR_CH2, ECC_DIS_VAL_CH2);
|
|
writel(CEVA_PHY1_CFG, base + AHCI_VEND_PPCFG);
|
|
writel(CEVA_TRANS_CFG, base + AHCI_VEND_PTC);
|
|
if (priv->flag & FLAG_COHERENT)
|
|
writel(CEVA_AXICC_CFG, base + AHCI_VEND_AXICC);
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sata_ceva_bind(struct udevice *dev)
|
|
{
|
|
struct udevice *scsi_dev;
|
|
|
|
return ahci_bind_scsi(dev, &scsi_dev);
|
|
}
|
|
|
|
static int sata_ceva_probe(struct udevice *dev)
|
|
{
|
|
struct ceva_sata_priv *priv = dev_get_priv(dev);
|
|
|
|
ceva_init_sata(priv);
|
|
|
|
return ahci_probe_scsi(dev, priv->base);
|
|
}
|
|
|
|
static const struct udevice_id sata_ceva_ids[] = {
|
|
{ .compatible = "ceva,ahci-1v84", .data = CEVA_1V84 },
|
|
{ .compatible = "fsl,ls1012a-ahci", .data = CEVA_LS1012A },
|
|
{ }
|
|
};
|
|
|
|
static int sata_ceva_ofdata_to_platdata(struct udevice *dev)
|
|
{
|
|
struct ceva_sata_priv *priv = dev_get_priv(dev);
|
|
|
|
if (dev_read_bool(dev, "dma-coherent"))
|
|
priv->flag |= FLAG_COHERENT;
|
|
|
|
priv->base = dev_read_addr(dev);
|
|
if (priv->base == FDT_ADDR_T_NONE)
|
|
return -EINVAL;
|
|
|
|
priv->soc = dev_get_driver_data(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(ceva_host_blk) = {
|
|
.name = "ceva_sata",
|
|
.id = UCLASS_AHCI,
|
|
.of_match = sata_ceva_ids,
|
|
.bind = sata_ceva_bind,
|
|
.ops = &scsi_ops,
|
|
.priv_auto_alloc_size = sizeof(struct ceva_sata_priv),
|
|
.probe = sata_ceva_probe,
|
|
.ofdata_to_platdata = sata_ceva_ofdata_to_platdata,
|
|
};
|