#include <common.h>
#include <dm.h>
#include <ahci.h>
+#include <log.h>
#include <scsi.h>
-#include <asm/arch/hardware.h>
-
#include <asm/io.h>
+#include <linux/ioport.h>
/* Vendor Specific Register Offsets */
#define AHCI_VEND_PCFG 0xA4
#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
#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
+
+/* for ls1021a */
+#define LS1021_AHCI_VEND_AXICC 0xC0
+#define LS1021_CEVA_PHY2_CFG 0x28183414
+#define LS1021_CEVA_PHY3_CFG 0x0e080e06
+#define LS1021_CEVA_PHY4_CFG 0x064a080b
+#define LS1021_CEVA_PHY5_CFG 0x2aa86470
+
+/* ecc val pair */
+#define ECC_DIS_VAL_CH1 0x00020000
+#define ECC_DIS_VAL_CH2 0x80000000
+#define ECC_DIS_VAL_CH3 0x40000000
+
+enum ceva_soc {
+ CEVA_1V84,
+ CEVA_LS1012A,
+ CEVA_LS1021A,
+ CEVA_LS1028A,
+ CEVA_LS1043A,
+ CEVA_LS1046A,
+ CEVA_LS1088A,
+ CEVA_LS2080A,
+};
+
struct ceva_sata_priv {
ulong base;
+ ulong ecc_base;
+ enum ceva_soc soc;
+ ulong flag;
};
-static int ceva_init_sata(ulong mmio)
+static int ceva_init_sata(struct ceva_sata_priv *priv)
{
+ ulong ecc_addr = priv->ecc_base;
+ ulong base = priv->base;
ulong tmp;
- int i;
-
- /*
- * AXI Data bus width to 64
- * Set Mem Addr Read, Write ID for data transfers
- * Transfer limit to 72 DWord
- */
- tmp = PAXIC_ADBW_BW64 | PAXIC_MAWIDD | PAXIC_MARIDD | PAXIC_OTL;
- writel(tmp, mmio + AHCI_VEND_PAXIC);
-
- /* Set AHCI Enable */
- tmp = readl(mmio + HOST_CTL);
- tmp |= HOST_AHCI_EN;
- writel(tmp, mmio + HOST_CTL);
-
- for (i = 0; i < NR_PORTS; i++) {
- /* TPSS TPRS scalars, CISE and Port Addr */
- tmp = PCFG_TPSS_VAL | PCFG_TPRS_VAL | (PCFG_PAD_VAL + i);
- writel(tmp, mmio + AHCI_VEND_PCFG);
-
- /* Port Phy Cfg register enables */
- tmp = PPCFG_TTA | PPCFG_PSS_EN | PPCFG_ESDF_EN;
- writel(tmp, mmio + AHCI_VEND_PPCFG);
- /* Rx Watermark setting */
+ 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, mmio + AHCI_VEND_PTC);
-
- /* Default to Gen 2 Speed and Gen 1 if Gen2 is broken */
- tmp = PORT_SCTL_SPD_GEN3 | PORT_SCTL_IPM;
- writel(tmp, mmio + PORT_SCR_CTL + PORT_BASE + PORT_OFFSET * i);
+ writel(tmp, base + AHCI_VEND_PTC);
+ break;
+
+ case CEVA_LS1021A:
+ if (!ecc_addr)
+ return -EINVAL;
+ writel(ECC_DIS_VAL_CH1, ecc_addr);
+ writel(CEVA_PHY1_CFG, base + AHCI_VEND_PPCFG);
+ writel(LS1021_CEVA_PHY2_CFG, base + AHCI_VEND_PP2C);
+ writel(LS1021_CEVA_PHY3_CFG, base + AHCI_VEND_PP3C);
+ writel(LS1021_CEVA_PHY4_CFG, base + AHCI_VEND_PP4C);
+ writel(LS1021_CEVA_PHY5_CFG, base + AHCI_VEND_PP5C);
+ writel(CEVA_TRANS_CFG, base + AHCI_VEND_PTC);
+ break;
+
+ case CEVA_LS1012A:
+ case CEVA_LS1043A:
+ case CEVA_LS1046A:
+ if (!ecc_addr)
+ return -EINVAL;
+ writel(ECC_DIS_VAL_CH2, ecc_addr);
+ /* fallthrough */
+ case CEVA_LS2080A:
+ writel(CEVA_PHY1_CFG, base + AHCI_VEND_PPCFG);
+ writel(CEVA_TRANS_CFG, base + AHCI_VEND_PTC);
+ break;
+
+ case CEVA_LS1028A:
+ case CEVA_LS1088A:
+ if (!ecc_addr)
+ return -EINVAL;
+ writel(ECC_DIS_VAL_CH3, ecc_addr);
+ writel(CEVA_PHY1_CFG, base + AHCI_VEND_PPCFG);
+ writel(CEVA_TRANS_CFG, base + AHCI_VEND_PTC);
+ break;
}
+
+ if (priv->flag & FLAG_COHERENT)
+ writel(CEVA_AXICC_CFG, base + AHCI_VEND_AXICC);
+
return 0;
}
{
struct ceva_sata_priv *priv = dev_get_priv(dev);
- ceva_init_sata(priv->base);
+ ceva_init_sata(priv);
return ahci_probe_scsi(dev, priv->base);
}
static const struct udevice_id sata_ceva_ids[] = {
- { .compatible = "ceva,ahci-1v84" },
+ { .compatible = "ceva,ahci-1v84", .data = CEVA_1V84 },
+ { .compatible = "fsl,ls1012a-ahci", .data = CEVA_LS1012A },
+ { .compatible = "fsl,ls1021a-ahci", .data = CEVA_LS1021A },
+ { .compatible = "fsl,ls1028a-ahci", .data = CEVA_LS1028A },
+ { .compatible = "fsl,ls1043a-ahci", .data = CEVA_LS1043A },
+ { .compatible = "fsl,ls1046a-ahci", .data = CEVA_LS1046A },
+ { .compatible = "fsl,ls1088a-ahci", .data = CEVA_LS1088A },
+ { .compatible = "fsl,ls2080a-ahci", .data = CEVA_LS2080A },
{ }
};
static int sata_ceva_ofdata_to_platdata(struct udevice *dev)
{
struct ceva_sata_priv *priv = dev_get_priv(dev);
+ struct resource res_regs;
+ int ret;
+
+ if (dev_read_bool(dev, "dma-coherent"))
+ priv->flag |= FLAG_COHERENT;
- priv->base = devfdt_get_addr(dev);
+ priv->base = dev_read_addr(dev);
if (priv->base == FDT_ADDR_T_NONE)
return -EINVAL;
+ ret = dev_read_resource_byname(dev, "ecc-addr", &res_regs);
+ if (ret)
+ priv->ecc_base = 0;
+ else
+ priv->ecc_base = res_regs.start;
+
+ priv->soc = dev_get_driver_data(dev);
+
+ debug("ccsr-sata-base %lx\t ecc-base %lx\n",
+ priv->base,
+ priv->ecc_base);
+
return 0;
}
projects / oweals / u-boot.git / blobdiff