diff options
| author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2022-01-18 15:04:51 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-01-20 09:30:06 +0100 |
| commit | c2983e6e915ab08517853b35eab6a6c334b3cbc3 (patch) | |
| tree | e75bbc7f6ecd4bc7713ddb60d3e97877750974ad /drivers/ata | |
| parent | 5e87daebe0b53bf62998c9e500227456745fdc98 (diff) | |
| download | barebox-c2983e6e915ab08517853b35eab6a6c334b3cbc3.tar.gz barebox-c2983e6e915ab08517853b35eab6a6c334b3cbc3.tar.xz | |
ata: sata_mv: enable Generation 2 speed support
The ARMADA-XP core supports the Gen2 speed.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Link: https://lore.barebox.org/20220118140453.1860909-5-s.trumtrar@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/sata_mv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index b8d21525a7..dd326428f4 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -40,6 +40,9 @@ static void ata_ioports_init(struct ata_ioports *io, #define EDMA_EN (1 << 0) /* enable EDMA */ #define EDMA_DS (1 << 1) /* disable EDMA; self-negated */ #define REG_EDMA_COMMAND__EATARST 0x00000004 +#define REG_EDMA_IORDY_TMOUT(n) ((n) * 0x2000 + 0x2034) +#define REG_SATA_IFCFG(n) ((n) * 0x2000 + 0x2050) +#define REG_SATA_IFCFG_GEN2EN (1 << 7) #define REG_ATA_BASE 0x2100 #define REG_SSTATUS(n) ((n) * 0x2000 + 0x2300) @@ -124,6 +127,13 @@ static int mv_sata_probe(struct device_d *dev) return ret; } + /* increase IORdy signal timeout */ + writel(0x800, base + REG_EDMA_IORDY_TMOUT(0)); + /* set GEN2i Speed */ + tmp = readl(base + REG_SATA_IFCFG(0)); + tmp |= REG_SATA_IFCFG_GEN2EN; + writel(tmp, base + REG_SATA_IFCFG(0)); + mv_soc_65n_phy_errata(base); writel(REG_EDMA_COMMAND__EATARST, base + REG_EDMA_COMMAND(0)); |