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path: root/drivers/ata/sata_mv.c
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Diffstat (limited to 'drivers/ata/sata_mv.c')
-rw-r--r--drivers/ata/sata_mv.c20
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 0545a4916100..fbccf215d501 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1151,6 +1151,21 @@ static void mv_config_fbs(void __iomem *port_mmio, int enable_fbs)
1151 writelfl(new_ltmode, port_mmio + LTMODE_OFS); 1151 writelfl(new_ltmode, port_mmio + LTMODE_OFS);
1152} 1152}
1153 1153
1154static void mv_60x1_errata_sata25(struct ata_port *ap, int want_ncq)
1155{
1156 struct mv_host_priv *hpriv = ap->host->private_data;
1157 u32 old, new;
1158
1159 /* workaround for 88SX60x1 FEr SATA#25 (part 1) */
1160 old = readl(hpriv->base + MV_GPIO_PORT_CTL_OFS);
1161 if (want_ncq)
1162 new = old | (1 << 22);
1163 else
1164 new = old & ~(1 << 22);
1165 if (new != old)
1166 writel(new, hpriv->base + MV_GPIO_PORT_CTL_OFS);
1167}
1168
1154static void mv_edma_cfg(struct ata_port *ap, int want_ncq) 1169static void mv_edma_cfg(struct ata_port *ap, int want_ncq)
1155{ 1170{
1156 u32 cfg; 1171 u32 cfg;
@@ -1164,10 +1179,11 @@ static void mv_edma_cfg(struct ata_port *ap, int want_ncq)
1164 if (IS_GEN_I(hpriv)) 1179 if (IS_GEN_I(hpriv))
1165 cfg |= (1 << 8); /* enab config burst size mask */ 1180 cfg |= (1 << 8); /* enab config burst size mask */
1166 1181
1167 else if (IS_GEN_II(hpriv)) 1182 else if (IS_GEN_II(hpriv)) {
1168 cfg |= EDMA_CFG_RD_BRST_EXT | EDMA_CFG_WR_BUFF_LEN; 1183 cfg |= EDMA_CFG_RD_BRST_EXT | EDMA_CFG_WR_BUFF_LEN;
1184 mv_60x1_errata_sata25(ap, want_ncq);
1169 1185
1170 else if (IS_GEN_IIE(hpriv)) { 1186 } else if (IS_GEN_IIE(hpriv)) {
1171 cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */ 1187 cfg |= (1 << 23); /* do not mask PM field in rx'd FIS */
1172 cfg |= (1 << 22); /* enab 4-entry host queue cache */ 1188 cfg |= (1 << 22); /* enab 4-entry host queue cache */
1173 if (HAS_PCI(ap->host)) 1189 if (HAS_PCI(ap->host))