1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 - 2016 Xilinx, Inc.
* Michal Simek <michal.simek@xilinx.com>
*/
#include <common.h>
#include <dm.h>
#include <ahci.h>
#include <log.h>
#include <scsi.h>
#include <asm/io.h>
#include <linux/ioport.h>
/* Vendor Specific Register Offsets */
#define AHCI_VEND_PCFG 0xA4
#define AHCI_VEND_PPCFG 0xA8
#define AHCI_VEND_PP2C 0xAC
#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
/* Vendor Specific Register bit definitions */
#define PAXIC_ADBW_BW64 0x1
#define PAXIC_MAWIDD (1 << 8)
#define PAXIC_MARIDD (1 << 16)
#define PAXIC_OTL (0x4 << 20)
#define PCFG_TPSS_VAL (0x32 << 16)
#define PCFG_TPRS_VAL (0x2 << 12)
#define PCFG_PAD_VAL 0x2
#define PPCFG_TTA 0x1FFFE
#define PPCFG_PSSO_EN (1 << 28)
#define PPCFG_PSS_EN (1 << 29)
#define PPCFG_ESDF_EN (1 << 31)
#define PP2C_CIBGMN 0x0F
#define PP2C_CIBGMX (0x25 << 8)
#define PP2C_CIBGN (0x18 << 16)
#define PP2C_CINMP (0x29 << 24)
#define PP3C_CWBGMN 0x04
#define PP3C_CWBGMX (0x0B << 8)
#define PP3C_CWBGN (0x08 << 16)
#define PP3C_CWNMP (0x0F << 24)
#define PP4C_BMX 0x0a
#define PP4C_BNM (0x08 << 8)
#define PP4C_SFD (0x4a << 16)
#define PP4C_PTST (0x06 << 24)
#define PP5C_RIT 0x60216
#define PP5C_RCT (0x7f0 << 20)
#define PTC_RX_WM_VAL 0x40
#define PTC_RSVD (1 << 27)
#define PORT0_BASE 0x100
#define PORT1_BASE 0x180
/* Port Control Register Bit Definitions */
#define PORT_SCTL_SPD_GEN3 (0x3 << 4)
#define PORT_SCTL_SPD_GEN2 (0x2 << 4)
#define PORT_SCTL_SPD_GEN1 (0x1 << 4)
#define PORT_SCTL_IPM (0x3 << 8)
#define PORT_BASE 0x100
#define PORT_OFFSET 0x80
#define NR_PORTS 2
#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(struct ceva_sata_priv *priv)
{
ulong ecc_addr = priv->ecc_base;
ulong base = priv->base;
ulong tmp;
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, 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;
}
static int sata_ceva_bind(struct udevice *dev)
{
struct udevice *scsi_dev;
return ahci_bind_scsi(dev, &scsi_dev);
}
static int sata_ceva_probe(struct udevice *dev)
{
struct ceva_sata_priv *priv = dev_get_priv(dev);
ceva_init_sata(priv);
return ahci_probe_scsi(dev, priv->base);
}
static const struct udevice_id sata_ceva_ids[] = {
{ .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 = 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;
}
U_BOOT_DRIVER(ceva_host_blk) = {
.name = "ceva_sata",
.id = UCLASS_AHCI,
.of_match = sata_ceva_ids,
.bind = sata_ceva_bind,
.ops = &scsi_ops,
.priv_auto_alloc_size = sizeof(struct ceva_sata_priv),
.probe = sata_ceva_probe,
.ofdata_to_platdata = sata_ceva_ofdata_to_platdata,
};
|
