drivers/ata/sata_ceva.c

1 // SPDX-License-Identifier: GPL-2.0+
3  * (C) Copyright 2015 - 2016 Xilinx, Inc.
8 #include <ahci.h>
25 #define PAXIC_MAWIDD	(1 << 8)
26 #define PAXIC_MARIDD	(1 << 16)
34 #define PPCFG_PSSO_EN	(1 << 28)
35 #define PPCFG_PSS_EN	(1 << 29)
36 #define PPCFG_ESDF_EN	(1 << 31)
57 #define PTC_RSVD	(1 << 27)
71 #define DRV_NAME	"ahci-ceva"
72 #define CEVA_FLAG_BROKEN_GEN2	1
75 #define FLAG_COHERENT	1
95 /* ecc addr-val pair */
119 	ulong base = priv->base;  in ceva_init_sata()
122 	switch (priv->soc) {  in ceva_init_sata()
142 		if (priv->flag & FLAG_COHERENT)  in ceva_init_sata()
154 		if (priv->flag & FLAG_COHERENT)  in ceva_init_sata()
162 		if (priv->flag & FLAG_COHERENT)  in ceva_init_sata()
183 	return ahci_probe_scsi(dev, priv->base);  in sata_ceva_probe()
187 	{ .compatible = "ceva,ahci-1v84", .data = CEVA_1V84 },
188 	{ .compatible = "fsl,ls1012a-ahci", .data = CEVA_LS1012A },
189 	{ .compatible = "fsl,ls1021a-ahci", .data = CEVA_LS1021A },
190 	{ .compatible = "fsl,ls1043a-ahci", .data = CEVA_LS1043A },
191 	{ .compatible = "fsl,ls1046a-ahci", .data = CEVA_LS1046A },
192 	{ .compatible = "fsl,ls1088a-ahci", .data = CEVA_LS1088A },
193 	{ .compatible = "fsl,ls2080a-ahci", .data = CEVA_LS2080A },
201 	if (dev_read_bool(dev, "dma-coherent"))  in sata_ceva_ofdata_to_platdata()
202 		priv->flag |= FLAG_COHERENT;  in sata_ceva_ofdata_to_platdata()
204 	priv->base = dev_read_addr(dev);  in sata_ceva_ofdata_to_platdata()
205 	if (priv->base == FDT_ADDR_T_NONE)  in sata_ceva_ofdata_to_platdata()
206 		return -EINVAL;  in sata_ceva_ofdata_to_platdata()
208 	priv->soc = dev_get_driver_data(dev);  in sata_ceva_ofdata_to_platdata()