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
240
241
242
243
244
245
246
247
248
249
250
251
252
253
|
From 35cb51b2162a1a7c5cd977f92595e60ab14d3b22 Mon Sep 17 00:00:00 2001
From: Chi-Hsien Lin <Chi-Hsien.Lin@cypress.com>
Date: Wed, 21 Nov 2018 07:53:47 +0000
Subject: [PATCH] brcmfmac: add support for CYW43012 SDIO chipset
CYW43012 is a 1x1 802.11a/b/g/n Dual-Band HT20, 256-QAM/Turbo QAM. It
is an Ultra Low Power WLAN+BT combo chip.
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Praveen Babu C <praveen.chandran@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../broadcom/brcm80211/brcmfmac/bcmsdh.c | 1 +
.../broadcom/brcm80211/brcmfmac/chip.c | 14 +++-
.../broadcom/brcm80211/brcmfmac/sdio.c | 74 ++++++++++++++++---
.../broadcom/brcm80211/include/brcm_hw_ids.h | 1 +
include/linux/mmc/sdio_ids.h | 1 +
5 files changed, 78 insertions(+), 13 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -972,6 +972,7 @@ static const struct sdio_device_id brcmf
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_4373),
+ BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_43012),
{ /* end: all zeroes */ }
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -165,6 +165,7 @@ struct sbconfig {
#define SRCI_LSS_MASK 0x00f00000
#define SRCI_LSS_SHIFT 20
#define SRCI_SRNB_MASK 0xf0
+#define SRCI_SRNB_MASK_EXT 0x100
#define SRCI_SRNB_SHIFT 4
#define SRCI_SRBSZ_MASK 0xf
#define SRCI_SRBSZ_SHIFT 0
@@ -592,7 +593,13 @@ static void brcmf_chip_socram_ramsize(st
if (lss != 0)
*ramsize += (1 << ((lss - 1) + SR_BSZ_BASE));
} else {
- nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
+ /* length of SRAM Banks increased for corerev greater than 23 */
+ if (sr->pub.rev >= 23) {
+ nb = (coreinfo & (SRCI_SRNB_MASK | SRCI_SRNB_MASK_EXT))
+ >> SRCI_SRNB_SHIFT;
+ } else {
+ nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
+ }
for (i = 0; i < nb; i++) {
retent = brcmf_chip_socram_banksize(sr, i, &banksize);
*ramsize += banksize;
@@ -1356,6 +1363,11 @@ bool brcmf_chip_sr_capable(struct brcmf_
addr = CORE_CC_REG(base, sr_control1);
reg = chip->ops->read32(chip->ctx, addr);
return reg != 0;
+ case CY_CC_43012_CHIP_ID:
+ addr = CORE_CC_REG(pmu->base, retention_ctl);
+ reg = chip->ops->read32(chip->ctx, addr);
+ return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK |
+ PMU_RCTL_LOGIC_DISABLE_MASK)) == 0;
default:
addr = CORE_CC_REG(pmu->base, pmucapabilities_ext);
reg = chip->ops->read32(chip->ctx, addr);
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -624,6 +624,7 @@ BRCMF_FW_DEF(43455, "brcmfmac43455-sdio"
BRCMF_FW_DEF(4354, "brcmfmac4354-sdio");
BRCMF_FW_DEF(4356, "brcmfmac4356-sdio");
BRCMF_FW_DEF(4373, "brcmfmac4373-sdio");
+BRCMF_FW_DEF(43012, "brcmfmac43012-sdio");
static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143),
@@ -643,7 +644,8 @@ static const struct brcmf_firmware_mappi
BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455),
BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
- BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373)
+ BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373),
+ BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012)
};
static void pkt_align(struct sk_buff *p, int len, int align)
@@ -677,6 +679,14 @@ brcmf_sdio_kso_control(struct brcmf_sdio
/* 1st KSO write goes to AOS wake up core if device is asleep */
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err);
+ /* In case of 43012 chip, the chip could go down immediately after
+ * KSO bit is cleared. So the further reads of KSO register could
+ * fail. Thereby just bailing out immediately after clearing KSO
+ * bit, to avoid polling of KSO bit.
+ */
+ if (!on && bus->ci->chip == CY_CC_43012_CHIP_ID)
+ return err;
+
if (on) {
/* device WAKEUP through KSO:
* write bit 0 & read back until
@@ -2402,6 +2412,14 @@ static int brcmf_sdio_tx_ctrlframe(struc
return ret;
}
+static bool brcmf_chip_is_ulp(struct brcmf_chip *ci)
+{
+ if (ci->chip == CY_CC_43012_CHIP_ID)
+ return true;
+ else
+ return false;
+}
+
static void brcmf_sdio_bus_stop(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
@@ -2409,7 +2427,7 @@ static void brcmf_sdio_bus_stop(struct d
struct brcmf_sdio *bus = sdiodev->bus;
struct brcmf_core *core = bus->sdio_core;
u32 local_hostintmask;
- u8 saveclk;
+ u8 saveclk, bpreq;
int err;
brcmf_dbg(TRACE, "Enter\n");
@@ -2436,9 +2454,14 @@ static void brcmf_sdio_bus_stop(struct d
/* Force backplane clocks to assure F2 interrupt propagates */
saveclk = brcmf_sdiod_readb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
&err);
- if (!err)
- brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- (saveclk | SBSDIO_FORCE_HT), &err);
+ if (!err) {
+ bpreq = saveclk;
+ bpreq |= brcmf_chip_is_ulp(bus->ci) ?
+ SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
+ brcmf_sdiod_writeb(sdiodev,
+ SBSDIO_FUNC1_CHIPCLKCSR,
+ bpreq, &err);
+ }
if (err)
brcmf_err("Failed to force clock for F2: err %d\n",
err);
@@ -3328,20 +3351,45 @@ err:
return bcmerror;
}
+static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
+{
+ if (bus->ci->chip == CY_CC_43012_CHIP_ID)
+ return true;
+ else
+ return false;
+}
+
static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
{
int err = 0;
u8 val;
+ u8 wakeupctrl;
+ u8 cardcap;
+ u8 chipclkcsr;
brcmf_dbg(TRACE, "Enter\n");
+ if (brcmf_chip_is_ulp(bus->ci)) {
+ wakeupctrl = SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT;
+ chipclkcsr = SBSDIO_HT_AVAIL_REQ;
+ } else {
+ wakeupctrl = SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
+ chipclkcsr = SBSDIO_FORCE_HT;
+ }
+
+ if (brcmf_sdio_aos_no_decode(bus)) {
+ cardcap = SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC;
+ } else {
+ cardcap = (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
+ SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT);
+ }
+
val = brcmf_sdiod_readb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err);
if (err) {
brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n");
return;
}
-
- val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
+ val |= 1 << wakeupctrl;
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n");
@@ -3350,8 +3398,7 @@ static void brcmf_sdio_sr_init(struct br
/* Add CMD14 Support */
brcmf_sdiod_func0_wb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP,
- (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
- SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT),
+ cardcap,
&err);
if (err) {
brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n");
@@ -3359,7 +3406,7 @@ static void brcmf_sdio_sr_init(struct br
}
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
- SBSDIO_FORCE_HT, &err);
+ chipclkcsr, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n");
return;
@@ -4051,7 +4098,7 @@ static void brcmf_sdio_firmware_callback
const struct firmware *code;
void *nvram;
u32 nvram_len;
- u8 saveclk;
+ u8 saveclk, bpreq;
u8 devctl;
brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err);
@@ -4085,8 +4132,11 @@ static void brcmf_sdio_firmware_callback
/* Force clocks on backplane to be sure F2 interrupt propagates */
saveclk = brcmf_sdiod_readb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
+ bpreq = saveclk;
+ bpreq |= brcmf_chip_is_ulp(bus->ci) ?
+ SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR,
- (saveclk | SBSDIO_FORCE_HT), &err);
+ bpreq, &err);
}
if (err) {
brcmf_err("Failed to force clock for F2: err %d\n", err);
--- a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
@@ -60,6 +60,7 @@
#define BRCM_CC_43664_CHIP_ID 43664
#define BRCM_CC_4371_CHIP_ID 0x4371
#define CY_CC_4373_CHIP_ID 0x4373
+#define CY_CC_43012_CHIP_ID 43012
/* USB Device IDs */
#define BRCM_USB_43143_DEVICE_ID 0xbd1e
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -42,6 +42,7 @@
#define SDIO_DEVICE_ID_BROADCOM_4354 0x4354
#define SDIO_DEVICE_ID_BROADCOM_4356 0x4356
#define SDIO_DEVICE_ID_CYPRESS_4373 0x4373
+#define SDIO_DEVICE_ID_CYPRESS_43012 43012
#define SDIO_VENDOR_ID_INTEL 0x0089
#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402
|
