9b69869143a7e6b1609615fca3edf617fc648c5d
[openwrt.git] / target / linux / ar71xx / patches-3.18 / 707-MIPS-ath79-add-support-for-QCA953x-SoC.patch
1 From 5300a7cd7ed2f88488ddba62947b9c6bb9663777 Mon Sep 17 00:00:00 2001
2 Message-Id: <5300a7cd7ed2f88488ddba62947b9c6bb9663777.1396122227.git.mschiffer@universe-factory.net>
3 From: Matthias Schiffer <mschiffer@universe-factory.net>
4 Date: Sat, 29 Mar 2014 20:26:08 +0100
5 Subject: [PATCH 1/2] MIPS: ath79: add support for QCA953x SoC
6
7 Note that the clock calculation looks very similar to the QCA955x, but the
8 meaning of the bits CPUCLK_FROM_CPUPLL and DDRCLK_FROM_DDRPLL is reversed.
9 ---
10  arch/mips/ath79/Kconfig                        |  6 +-
11  arch/mips/ath79/clock.c                        | 78 ++++++++++++++++++++++++++
12  arch/mips/ath79/common.c                       |  4 ++
13  arch/mips/ath79/dev-common.c                   |  1 +
14  arch/mips/ath79/dev-wmac.c                     | 20 +++++++
15  arch/mips/ath79/early_printk.c                 |  1 +
16  arch/mips/ath79/gpio.c                         |  4 +-
17  arch/mips/ath79/irq.c                          |  4 ++
18  arch/mips/ath79/setup.c                        |  8 ++-
19  arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 48 ++++++++++++++++
20  arch/mips/include/asm/mach-ath79/ath79.h       | 11 ++++
21  11 files changed, 182 insertions(+), 3 deletions(-)
22
23 --- a/arch/mips/ath79/Kconfig
24 +++ b/arch/mips/ath79/Kconfig
25 @@ -1178,6 +1178,10 @@ config SOC_AR934X
26         select PCI_AR724X if PCI
27         def_bool n
28  
29 +config SOC_QCA953X
30 +       select USB_ARCH_HAS_EHCI
31 +       def_bool n
32 +
33  config SOC_QCA955X
34         select HW_HAS_PCI
35         select PCI_AR724X if PCI
36 @@ -1220,7 +1224,7 @@ config ATH79_DEV_USB
37         def_bool n
38  
39  config ATH79_DEV_WMAC
40 -       depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA955X)
41 +       depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X || SOC_QCA953X || SOC_QCA955X)
42         def_bool n
43  
44  config ATH79_NVRAM
45 --- a/arch/mips/ath79/clock.c
46 +++ b/arch/mips/ath79/clock.c
47 @@ -350,6 +350,91 @@ static void __init ar934x_clocks_init(vo
48         iounmap(dpll_base);
49  }
50  
51 +static void __init qca953x_clocks_init(void)
52 +{
53 +       unsigned long ref_rate;
54 +       unsigned long cpu_rate;
55 +       unsigned long ddr_rate;
56 +       unsigned long ahb_rate;
57 +       u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv;
58 +       u32 cpu_pll, ddr_pll;
59 +       u32 bootstrap;
60 +
61 +       bootstrap = ath79_reset_rr(QCA953X_RESET_REG_BOOTSTRAP);
62 +       if (bootstrap & QCA953X_BOOTSTRAP_REF_CLK_40)
63 +               ref_rate = 40 * 1000 * 1000;
64 +       else
65 +               ref_rate = 25 * 1000 * 1000;
66 +
67 +       pll = ath79_pll_rr(QCA953X_PLL_CPU_CONFIG_REG);
68 +       out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
69 +                 QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK;
70 +       ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
71 +                 QCA953X_PLL_CPU_CONFIG_REFDIV_MASK;
72 +       nint = (pll >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) &
73 +              QCA953X_PLL_CPU_CONFIG_NINT_MASK;
74 +       frac = (pll >> QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT) &
75 +              QCA953X_PLL_CPU_CONFIG_NFRAC_MASK;
76 +
77 +       cpu_pll = nint * ref_rate / ref_div;
78 +       cpu_pll += frac * (ref_rate >> 6) / ref_div;
79 +       cpu_pll /= (1 << out_div);
80 +
81 +       pll = ath79_pll_rr(QCA953X_PLL_DDR_CONFIG_REG);
82 +       out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
83 +                 QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK;
84 +       ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
85 +                 QCA953X_PLL_DDR_CONFIG_REFDIV_MASK;
86 +       nint = (pll >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) &
87 +              QCA953X_PLL_DDR_CONFIG_NINT_MASK;
88 +       frac = (pll >> QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT) &
89 +              QCA953X_PLL_DDR_CONFIG_NFRAC_MASK;
90 +
91 +       ddr_pll = nint * ref_rate / ref_div;
92 +       ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4);
93 +       ddr_pll /= (1 << out_div);
94 +
95 +       clk_ctrl = ath79_pll_rr(QCA953X_PLL_CLK_CTRL_REG);
96 +
97 +       postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
98 +                 QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
99 +
100 +       if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS)
101 +               cpu_rate = ref_rate;
102 +       else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL)
103 +               cpu_rate = cpu_pll / (postdiv + 1);
104 +       else
105 +               cpu_rate = ddr_pll / (postdiv + 1);
106 +
107 +       postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) &
108 +                 QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK;
109 +
110 +       if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS)
111 +               ddr_rate = ref_rate;
112 +       else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL)
113 +               ddr_rate = ddr_pll / (postdiv + 1);
114 +       else
115 +               ddr_rate = cpu_pll / (postdiv + 1);
116 +
117 +       postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) &
118 +                 QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK;
119 +
120 +       if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS)
121 +               ahb_rate = ref_rate;
122 +       else if (clk_ctrl & QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL)
123 +               ahb_rate = ddr_pll / (postdiv + 1);
124 +       else
125 +               ahb_rate = cpu_pll / (postdiv + 1);
126 +
127 +       ath79_add_sys_clkdev("ref", ref_rate);
128 +       ath79_add_sys_clkdev("cpu", cpu_rate);
129 +       ath79_add_sys_clkdev("ddr", ddr_rate);
130 +       ath79_add_sys_clkdev("ahb", ahb_rate);
131 +
132 +       clk_add_alias("wdt", NULL, "ref", NULL);
133 +       clk_add_alias("uart", NULL, "ref", NULL);
134 +}
135 +
136  static void __init qca955x_clocks_init(void)
137  {
138         unsigned long ref_rate;
139 @@ -447,6 +532,8 @@ void __init ath79_clocks_init(void)
140                 ar933x_clocks_init();
141         else if (soc_is_ar934x())
142                 ar934x_clocks_init();
143 +       else if (soc_is_qca953x())
144 +               qca953x_clocks_init();
145         else if (soc_is_qca955x())
146                 qca955x_clocks_init();
147         else
148 --- a/arch/mips/ath79/common.c
149 +++ b/arch/mips/ath79/common.c
150 @@ -73,6 +73,8 @@ void ath79_device_reset_set(u32 mask)
151                 reg = AR933X_RESET_REG_RESET_MODULE;
152         else if (soc_is_ar934x())
153                 reg = AR934X_RESET_REG_RESET_MODULE;
154 +       else if (soc_is_qca953x())
155 +               reg = QCA953X_RESET_REG_RESET_MODULE;
156         else if (soc_is_qca955x())
157                 reg = QCA955X_RESET_REG_RESET_MODULE;
158         else
159 @@ -101,6 +103,8 @@ void ath79_device_reset_clear(u32 mask)
160                 reg = AR933X_RESET_REG_RESET_MODULE;
161         else if (soc_is_ar934x())
162                 reg = AR934X_RESET_REG_RESET_MODULE;
163 +       else if (soc_is_qca953x())
164 +               reg = QCA953X_RESET_REG_RESET_MODULE;
165         else if (soc_is_qca955x())
166                 reg = QCA955X_RESET_REG_RESET_MODULE;
167         else
168 --- a/arch/mips/ath79/dev-common.c
169 +++ b/arch/mips/ath79/dev-common.c
170 @@ -93,6 +93,7 @@ void __init ath79_register_uart(void)
171             soc_is_ar724x() ||
172             soc_is_ar913x() ||
173             soc_is_ar934x() ||
174 +           soc_is_qca953x() ||
175             soc_is_qca955x()) {
176                 ath79_uart_data[0].uartclk = uart_clk_rate;
177                 platform_device_register(&ath79_uart_device);
178 --- a/arch/mips/ath79/dev-wmac.c
179 +++ b/arch/mips/ath79/dev-wmac.c
180 @@ -101,7 +101,7 @@ static int ar933x_wmac_reset(void)
181         return -ETIMEDOUT;
182  }
183  
184 -static int ar933x_r1_get_wmac_revision(void)
185 +static int ar93xx_get_soc_revision(void)
186  {
187         return ath79_soc_rev;
188  }
189 @@ -126,7 +126,7 @@ static void __init ar933x_wmac_setup(voi
190                 ath79_wmac_data.is_clk_25mhz = true;
191  
192         if (ath79_soc_rev == 1)
193 -               ath79_wmac_data.get_mac_revision = ar933x_r1_get_wmac_revision;
194 +               ath79_wmac_data.get_mac_revision = ar93xx_get_soc_revision;
195  
196         ath79_wmac_data.external_reset = ar933x_wmac_reset;
197  }
198 @@ -149,6 +149,26 @@ static void ar934x_wmac_setup(void)
199                 ath79_wmac_data.is_clk_25mhz = true;
200  }
201  
202 +static void qca953x_wmac_setup(void)
203 +{
204 +       u32 t;
205 +
206 +       ath79_wmac_device.name = "qca953x_wmac";
207 +
208 +       ath79_wmac_resources[0].start = QCA953X_WMAC_BASE;
209 +       ath79_wmac_resources[0].end = QCA953X_WMAC_BASE + QCA953X_WMAC_SIZE - 1;
210 +       ath79_wmac_resources[1].start = ATH79_CPU_IRQ(2);
211 +       ath79_wmac_resources[1].end = ATH79_CPU_IRQ(2);
212 +
213 +       t = ath79_reset_rr(QCA953X_RESET_REG_BOOTSTRAP);
214 +       if (t & QCA953X_BOOTSTRAP_REF_CLK_40)
215 +               ath79_wmac_data.is_clk_25mhz = false;
216 +       else
217 +               ath79_wmac_data.is_clk_25mhz = true;
218 +
219 +       ath79_wmac_data.get_mac_revision = ar93xx_get_soc_revision;
220 +}
221 +
222  static void qca955x_wmac_setup(void)
223  {
224         u32 t;
225 @@ -366,6 +386,8 @@ void __init ath79_register_wmac(u8 *cal_
226                 ar933x_wmac_setup();
227         else if (soc_is_ar934x())
228                 ar934x_wmac_setup();
229 +       else if (soc_is_qca953x())
230 +               qca953x_wmac_setup();
231         else if (soc_is_qca955x())
232                 qca955x_wmac_setup();
233         else
234 --- a/arch/mips/ath79/early_printk.c
235 +++ b/arch/mips/ath79/early_printk.c
236 @@ -114,6 +114,8 @@ static void prom_putchar_init(void)
237         case REV_ID_MAJOR_AR9341:
238         case REV_ID_MAJOR_AR9342:
239         case REV_ID_MAJOR_AR9344:
240 +       case REV_ID_MAJOR_QCA9533:
241 +       case REV_ID_MAJOR_QCA9533_V2:
242         case REV_ID_MAJOR_QCA9556:
243         case REV_ID_MAJOR_QCA9558:
244                 _prom_putchar = prom_putchar_ar71xx;
245 --- a/arch/mips/ath79/gpio.c
246 +++ b/arch/mips/ath79/gpio.c
247 @@ -224,6 +224,8 @@ void __init ath79_gpio_init(void)
248                 ath79_gpio_count = AR933X_GPIO_COUNT;
249         else if (soc_is_ar934x())
250                 ath79_gpio_count = AR934X_GPIO_COUNT;
251 +       else if (soc_is_qca953x())
252 +               ath79_gpio_count = QCA953X_GPIO_COUNT;
253         else if (soc_is_qca955x())
254                 ath79_gpio_count = QCA955X_GPIO_COUNT;
255         else
256 @@ -231,7 +233,7 @@ void __init ath79_gpio_init(void)
257  
258         ath79_gpio_base = ioremap_nocache(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE);
259         ath79_gpio_chip.ngpio = ath79_gpio_count;
260 -       if (soc_is_ar934x() || soc_is_qca955x()) {
261 +       if (soc_is_ar934x() || soc_is_qca953x() || soc_is_qca955x()) {
262                 ath79_gpio_chip.direction_input = ar934x_gpio_direction_input;
263                 ath79_gpio_chip.direction_output = ar934x_gpio_direction_output;
264         }
265 --- a/arch/mips/ath79/irq.c
266 +++ b/arch/mips/ath79/irq.c
267 @@ -106,6 +106,7 @@ static void __init ath79_misc_irq_init(v
268         else if (soc_is_ar724x() ||
269                  soc_is_ar933x() ||
270                  soc_is_ar934x() ||
271 +                soc_is_qca953x() ||
272                  soc_is_qca955x())
273                 ath79_misc_irq_chip.irq_ack = ar724x_misc_irq_ack;
274         else
275 @@ -352,6 +353,9 @@ void __init arch_init_irq(void)
276         } else if (soc_is_ar934x()) {
277                 ath79_ip2_handler = ath79_default_ip2_handler;
278                 ath79_ip3_handler = ar934x_ip3_handler;
279 +       } else if (soc_is_qca953x()) {
280 +               ath79_ip2_handler = ath79_default_ip2_handler;
281 +               ath79_ip3_handler = ath79_default_ip3_handler;
282         } else if (soc_is_qca955x()) {
283                 ath79_ip2_handler = ath79_default_ip2_handler;
284                 ath79_ip3_handler = ath79_default_ip3_handler;
285 --- a/arch/mips/ath79/setup.c
286 +++ b/arch/mips/ath79/setup.c
287 @@ -59,6 +59,7 @@ static void __init ath79_detect_sys_type
288         u32 major;
289         u32 minor;
290         u32 rev = 0;
291 +       u32 ver = 1;
292  
293         id = ath79_reset_rr(AR71XX_RESET_REG_REV_ID);
294         major = id & REV_ID_MAJOR_MASK;
295 @@ -151,6 +152,16 @@ static void __init ath79_detect_sys_type
296                 rev = id & AR934X_REV_ID_REVISION_MASK;
297                 break;
298  
299 +       case REV_ID_MAJOR_QCA9533_V2:
300 +               ver = 2;
301 +               /* drop through */
302 +
303 +       case REV_ID_MAJOR_QCA9533:
304 +               ath79_soc = ATH79_SOC_QCA9533;
305 +               chip = "9533";
306 +               rev = id & QCA953X_REV_ID_REVISION_MASK;
307 +               break;
308 +
309         case REV_ID_MAJOR_QCA9556:
310                 ath79_soc = ATH79_SOC_QCA9556;
311                 chip = "9556";
312 @@ -169,9 +180,9 @@ static void __init ath79_detect_sys_type
313  
314         ath79_soc_rev = rev;
315  
316 -       if (soc_is_qca955x())
317 -               sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s rev %u",
318 -                       chip, rev);
319 +       if (soc_is_qca953x() || soc_is_qca955x())
320 +               sprintf(ath79_sys_type, "Qualcomm Atheros QCA%s ver %u rev %u",
321 +                       chip, ver, rev);
322         else
323                 sprintf(ath79_sys_type, "Atheros AR%s rev %u", chip, rev);
324         pr_info("SoC: %s\n", ath79_sys_type);
325 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
326 +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
327 @@ -105,6 +105,9 @@
328  #define AR934X_SRIF_BASE       (AR71XX_APB_BASE + 0x00116000)
329  #define AR934X_SRIF_SIZE       0x1000
330  
331 +#define QCA953X_WMAC_BASE      (AR71XX_APB_BASE + 0x00100000)
332 +#define QCA953X_WMAC_SIZE      0x20000
333 +
334  #define QCA955X_PCI_MEM_BASE0  0x10000000
335  #define QCA955X_PCI_MEM_BASE1  0x12000000
336  #define QCA955X_PCI_MEM_SIZE   0x02000000
337 @@ -279,6 +282,43 @@
338  
339  #define AR934X_PLL_SWITCH_CLOCK_CONTROL_MDIO_CLK_SEL   BIT(6)
340  
341 +#define QCA953X_PLL_CPU_CONFIG_REG             0x00
342 +#define QCA953X_PLL_DDR_CONFIG_REG             0x04
343 +#define QCA953X_PLL_CLK_CTRL_REG               0x08
344 +#define QCA953X_PLL_ETH_XMII_CONTROL_REG       0x2c
345 +#define QCA953X_PLL_ETH_SGMII_CONTROL_REG      0x48
346 +
347 +#define QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT     0
348 +#define QCA953X_PLL_CPU_CONFIG_NFRAC_MASK      0x3f
349 +#define QCA953X_PLL_CPU_CONFIG_NINT_SHIFT      6
350 +#define QCA953X_PLL_CPU_CONFIG_NINT_MASK       0x3f
351 +#define QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT    12
352 +#define QCA953X_PLL_CPU_CONFIG_REFDIV_MASK     0x1f
353 +#define QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT    19
354 +#define QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK     0x3
355 +
356 +#define QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT     0
357 +#define QCA953X_PLL_DDR_CONFIG_NFRAC_MASK      0x3ff
358 +#define QCA953X_PLL_DDR_CONFIG_NINT_SHIFT      10
359 +#define QCA953X_PLL_DDR_CONFIG_NINT_MASK       0x3f
360 +#define QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT    16
361 +#define QCA953X_PLL_DDR_CONFIG_REFDIV_MASK     0x1f
362 +#define QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT    23
363 +#define QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK     0x7
364 +
365 +#define QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS            BIT(2)
366 +#define QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS            BIT(3)
367 +#define QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS            BIT(4)
368 +#define QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT                5
369 +#define QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK         0x1f
370 +#define QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT                10
371 +#define QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK         0x1f
372 +#define QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT                15
373 +#define QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK         0x1f
374 +#define QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL                BIT(20)
375 +#define QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL                BIT(21)
376 +#define QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL                BIT(24)
377 +
378  #define QCA955X_PLL_CPU_CONFIG_REG             0x00
379  #define QCA955X_PLL_DDR_CONFIG_REG             0x04
380  #define QCA955X_PLL_CLK_CTRL_REG               0x08
381 @@ -355,6 +395,10 @@
382  #define AR934X_RESET_REG_BOOTSTRAP             0xb0
383  #define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS  0xac
384  
385 +#define QCA953X_RESET_REG_RESET_MODULE         0x1c
386 +#define QCA953X_RESET_REG_BOOTSTRAP            0xb0
387 +#define QCA953X_RESET_REG_EXT_INT_STATUS       0xac
388 +
389  #define QCA955X_RESET_REG_RESET_MODULE         0x1c
390  #define QCA955X_RESET_REG_BOOTSTRAP            0xb0
391  #define QCA955X_RESET_REG_EXT_INT_STATUS       0xac
392 @@ -503,6 +547,8 @@
393  #define AR934X_BOOTSTRAP_SDRAM_DISABLED BIT(1)
394  #define AR934X_BOOTSTRAP_DDR1          BIT(0)
395  
396 +#define QCA953X_BOOTSTRAP_REF_CLK_40   BIT(4)
397 +
398  #define QCA955X_BOOTSTRAP_REF_CLK_40   BIT(4)
399  
400  #define AR934X_PCIE_WMAC_INT_WMAC_MISC         BIT(0)
401 @@ -565,6 +611,8 @@
402  #define REV_ID_MAJOR_AR9341            0x0120
403  #define REV_ID_MAJOR_AR9342            0x1120
404  #define REV_ID_MAJOR_AR9344            0x2120
405 +#define REV_ID_MAJOR_QCA9533           0x0140
406 +#define REV_ID_MAJOR_QCA9533_V2                0x0160
407  #define REV_ID_MAJOR_QCA9556           0x0130
408  #define REV_ID_MAJOR_QCA9558           0x1130
409  
410 @@ -587,6 +635,8 @@
411  
412  #define AR934X_REV_ID_REVISION_MASK    0xf
413  
414 +#define QCA953X_REV_ID_REVISION_MASK   0xf
415 +
416  #define QCA955X_REV_ID_REVISION_MASK   0xf
417  
418  /*
419 @@ -640,6 +690,7 @@
420  #define AR913X_GPIO_COUNT              22
421  #define AR933X_GPIO_COUNT              30
422  #define AR934X_GPIO_COUNT              23
423 +#define QCA953X_GPIO_COUNT             24
424  #define QCA955X_GPIO_COUNT             24
425  
426  /*
427 --- a/arch/mips/include/asm/mach-ath79/ath79.h
428 +++ b/arch/mips/include/asm/mach-ath79/ath79.h
429 @@ -32,6 +32,7 @@ enum ath79_soc_type {
430         ATH79_SOC_AR9341,
431         ATH79_SOC_AR9342,
432         ATH79_SOC_AR9344,
433 +       ATH79_SOC_QCA9533,
434         ATH79_SOC_QCA9556,
435         ATH79_SOC_QCA9558,
436  };
437 @@ -100,6 +101,16 @@ static inline int soc_is_ar934x(void)
438         return soc_is_ar9341() || soc_is_ar9342() || soc_is_ar9344();
439  }
440  
441 +static inline int soc_is_qca9533(void)
442 +{
443 +       return ath79_soc == ATH79_SOC_QCA9533;
444 +}
445 +
446 +static inline int soc_is_qca953x(void)
447 +{
448 +       return soc_is_qca9533();
449 +}
450 +
451  static inline int soc_is_qca9556(void)
452  {
453         return ath79_soc == ATH79_SOC_QCA9556;