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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-08-09 16:48:34 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-08-09 16:48:34 +0200 |
| commit | 1899fac925eda817e12234aef3d01d354788662e (patch) | |
| tree | baed464b3d9250361cd85e931a16d87b397cc36f /drivers/block/ahci.c | |
| parent | e76b933e02e1b38e48754c435e9dba1c0deeb3c6 (diff) | |
| parent | 3340eab26d89176dd0bf543e6d2590665c577423 (diff) | |
| download | u-boot-imx-1899fac925eda817e12234aef3d01d354788662e.zip u-boot-imx-1899fac925eda817e12234aef3d01d354788662e.tar.gz u-boot-imx-1899fac925eda817e12234aef3d01d354788662e.tar.bz2 | |
Merge branch 'u-boot-sunxi/master' into 'u-boot-arm/master'
Diffstat (limited to 'drivers/block/ahci.c')
| -rw-r--r-- | drivers/block/ahci.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index 4df8046..dce99ad 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -129,6 +129,14 @@ int __weak ahci_link_up(struct ahci_probe_ent *probe_ent, u8 port) return 1; } +#ifdef CONFIG_SUNXI_AHCI +/* The sunxi AHCI controller requires this undocumented setup */ +static void sunxi_dma_init(volatile u8 *port_mmio) +{ + clrsetbits_le32(port_mmio + PORT_P0DMACR, 0x0000ff00, 0x00004400); +} +#endif + static int ahci_host_init(struct ahci_probe_ent *probe_ent) { #ifndef CONFIG_SCSI_AHCI_PLAT @@ -213,6 +221,10 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) msleep(500); } +#ifdef CONFIG_SUNXI_AHCI + sunxi_dma_init(port_mmio); +#endif + /* Add the spinup command to whatever mode bits may * already be on in the command register. */ @@ -545,6 +557,10 @@ static int ahci_port_start(u8 port) writel_with_flush(pp->rx_fis, port_mmio + PORT_FIS_ADDR); +#ifdef CONFIG_SUNXI_AHCI + sunxi_dma_init(port_mmio); +#endif + writel_with_flush(PORT_CMD_ICC_ACTIVE | PORT_CMD_FIS_RX | PORT_CMD_POWER_ON | PORT_CMD_SPIN_UP | PORT_CMD_START, port_mmio + PORT_CMD); |