1 /*
2 * Texas Instruments TNETV107X SoC Support
3 *
4 * Copyright (C) 2010 Texas Instruments
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation version 2.
9 *
10 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11 * kind, whether express or implied; without even the implied warranty
12 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15 #include <linux/gpio.h>
16 #include <linux/kernel.h>
17 #include <linux/init.h>
18 #include <linux/clk.h>
19 #include <linux/io.h>
20 #include <linux/err.h>
21 #include <linux/platform_device.h>
22
23 #include <asm/mach/map.h>
24
25 #include <mach/common.h>
26 #include <mach/time.h>
27 #include <mach/cputype.h>
28 #include <mach/psc.h>
29 #include <mach/cp_intc.h>
30 #include <mach/irqs.h>
31 #include <mach/hardware.h>
32 #include <mach/tnetv107x.h>
33 #include <mach/gpio-davinci.h>
34
35 #include "clock.h"
36 #include "mux.h"
37
38 /* Base addresses for on-chip devices */
39 #define TNETV107X_INTC_BASE 0x03000000
40 #define TNETV107X_TIMER0_BASE 0x08086500
41 #define TNETV107X_TIMER1_BASE 0x08086600
42 #define TNETV107X_CHIP_CFG_BASE 0x08087000
43 #define TNETV107X_GPIO_BASE 0x08088000
44 #define TNETV107X_CLOCK_CONTROL_BASE 0x0808a000
45 #define TNETV107X_PSC_BASE 0x0808b000
46
47 /* Reference clock frequencies */
48 #define OSC_FREQ_ONCHIP (24000 * 1000)
49 #define OSC_FREQ_OFFCHIP_SYS (25000 * 1000)
50 #define OSC_FREQ_OFFCHIP_ETH (25000 * 1000)
51 #define OSC_FREQ_OFFCHIP_TDM (19200 * 1000)
52
53 #define N_PLLS 3
54
55 /* Clock Control Registers */
56 struct clk_ctrl_regs {
57 u32 pll_bypass;
58 u32 _reserved0;
59 u32 gem_lrst;
60 u32 _reserved1;
61 u32 pll_unlock_stat;
62 u32 sys_unlock;
63 u32 eth_unlock;
64 u32 tdm_unlock;
65 };
66
67 /* SSPLL Registers */
68 struct sspll_regs {
69 u32 modes;
70 u32 post_div;
71 u32 pre_div;
72 u32 mult_factor;
73 u32 divider_range;
74 u32 bw_divider;
75 u32 spr_amount;
76 u32 spr_rate_div;
77 u32 diag;
78 };
79
80 /* Watchdog Timer Registers */
81 struct wdt_regs {
82 u32 kick_lock;
83 u32 kick;
84 u32 change_lock;
85 u32 change ;
86 u32 disable_lock;
87 u32 disable;
88 u32 prescale_lock;
89 u32 prescale;
90 };
91
92 static struct clk_ctrl_regs __iomem *clk_ctrl_regs;
93
94 static struct sspll_regs __iomem *sspll_regs[N_PLLS];
95 static int sspll_regs_base[N_PLLS] = { 0x40, 0x80, 0xc0 };
96
97 /* PLL bypass bit shifts in clk_ctrl_regs->pll_bypass register */
98 static u32 bypass_mask[N_PLLS] = { BIT(0), BIT(2), BIT(1) };
99
100 /* offchip (external) reference clock frequencies */
101 static u32 pll_ext_freq[] = {
102 OSC_FREQ_OFFCHIP_SYS,
103 OSC_FREQ_OFFCHIP_TDM,
104 OSC_FREQ_OFFCHIP_ETH
105 };
106
107 /* PSC control registers */
108 static u32 psc_regs[] = { TNETV107X_PSC_BASE };
109
110 /* Host map for interrupt controller */
111 static u32 intc_host_map[] = { 0x01010000, 0x01010101, -1 };
112
113 static unsigned long clk_sspll_recalc(struct clk *clk);
114
115 /* Level 1 - the PLLs */
116 #define define_pll_clk(cname, pll, divmask, base) \
117 static struct pll_data pll_##cname##_data = { \
118 .num = pll, \
119 .div_ratio_mask = divmask, \
120 .phys_base = base + \
121 TNETV107X_CLOCK_CONTROL_BASE, \
122 }; \
123 static struct clk pll_##cname##_clk = { \
124 .name = "pll_" #cname "_clk", \
125 .pll_data = &pll_##cname##_data, \
126 .flags = CLK_PLL, \
127 .recalc = clk_sspll_recalc, \
128 }
129
130 define_pll_clk(sys, 0, 0x1ff, 0x600);
131 define_pll_clk(tdm, 1, 0x0ff, 0x200);
132 define_pll_clk(eth, 2, 0x0ff, 0x400);
133
134 /* Level 2 - divided outputs from the PLLs */
135 #define define_pll_div_clk(pll, cname, div) \
136 static struct clk pll##_##cname##_clk = { \
137 .name = #pll "_" #cname "_clk", \
138 .parent = &pll_##pll##_clk, \
139 .flags = CLK_PLL, \
140 .div_reg = PLLDIV##div, \
141 .set_rate = davinci_set_sysclk_rate, \
142 }
143
144 define_pll_div_clk(sys, arm1176, 1);
145 define_pll_div_clk(sys, dsp, 2);
146 define_pll_div_clk(sys, ddr, 3);
147 define_pll_div_clk(sys, full, 4);
148 define_pll_div_clk(sys, lcd, 5);
149 define_pll_div_clk(sys, vlynq_ref, 6);
150 define_pll_div_clk(sys, tsc, 7);
151 define_pll_div_clk(sys, half, 8);
152
153 define_pll_div_clk(eth, 5mhz, 1);
154 define_pll_div_clk(eth, 50mhz, 2);
155 define_pll_div_clk(eth, 125mhz, 3);
156 define_pll_div_clk(eth, 250mhz, 4);
157 define_pll_div_clk(eth, 25mhz, 5);
158
159 define_pll_div_clk(tdm, 0, 1);
160 define_pll_div_clk(tdm, extra, 2);
161 define_pll_div_clk(tdm, 1, 3);
162
163
164 /* Level 3 - LPSC gated clocks */
165 #define __lpsc_clk(cname, _parent, mod, flg) \
166 static struct clk clk_##cname = { \
167 .name = #cname, \
168 .parent = &_parent, \
169 .lpsc = TNETV107X_LPSC_##mod,\
170 .flags = flg, \
171 }
172
173 #define lpsc_clk_enabled(cname, parent, mod) \
174 __lpsc_clk(cname, parent, mod, ALWAYS_ENABLED)
175
176 #define lpsc_clk(cname, parent, mod) \
177 __lpsc_clk(cname, parent, mod, 0)
178
179 lpsc_clk_enabled(arm, sys_arm1176_clk, ARM);
180 lpsc_clk_enabled(gem, sys_dsp_clk, GEM);
181 lpsc_clk_enabled(ddr2_phy, sys_ddr_clk, DDR2_PHY);
182 lpsc_clk_enabled(tpcc, sys_full_clk, TPCC);
183 lpsc_clk_enabled(tptc0, sys_full_clk, TPTC0);
184 lpsc_clk_enabled(tptc1, sys_full_clk, TPTC1);
185 lpsc_clk_enabled(ram, sys_full_clk, RAM);
186 lpsc_clk_enabled(aemif, sys_full_clk, AEMIF);
187 lpsc_clk_enabled(chipcfg, sys_half_clk, CHIP_CFG);
188 lpsc_clk_enabled(rom, sys_half_clk, ROM);
189 lpsc_clk_enabled(secctl, sys_half_clk, SECCTL);
190 lpsc_clk_enabled(keymgr, sys_half_clk, KEYMGR);
191 lpsc_clk_enabled(gpio, sys_half_clk, GPIO);
192 lpsc_clk_enabled(debugss, sys_half_clk, DEBUGSS);
193 lpsc_clk_enabled(system, sys_half_clk, SYSTEM);
194 lpsc_clk_enabled(ddr2_vrst, sys_ddr_clk, DDR2_EMIF1_VRST);
195 lpsc_clk_enabled(ddr2_vctl_rst, sys_ddr_clk, DDR2_EMIF2_VCTL_RST);
196 lpsc_clk_enabled(wdt_arm, sys_half_clk, WDT_ARM);
197 lpsc_clk_enabled(timer1, sys_half_clk, TIMER1);
198
199 lpsc_clk(mbx_lite, sys_arm1176_clk, MBX_LITE);
200 lpsc_clk(ethss, eth_125mhz_clk, ETHSS);
201 lpsc_clk(tsc, sys_tsc_clk, TSC);
202 lpsc_clk(uart0, sys_half_clk, UART0);
203 lpsc_clk(uart1, sys_half_clk, UART1);
204 lpsc_clk(uart2, sys_half_clk, UART2);
205 lpsc_clk(pktsec, sys_half_clk, PKTSEC);
206 lpsc_clk(keypad, sys_half_clk, KEYPAD);
207 lpsc_clk(mdio, sys_half_clk, MDIO);
208 lpsc_clk(sdio0, sys_half_clk, SDIO0);
209 lpsc_clk(sdio1, sys_half_clk, SDIO1);
210 lpsc_clk(timer0, sys_half_clk, TIMER0);
211 lpsc_clk(wdt_dsp, sys_half_clk, WDT_DSP);
212 lpsc_clk(ssp, sys_half_clk, SSP);
213 lpsc_clk(tdm0, tdm_0_clk, TDM0);
214 lpsc_clk(tdm1, tdm_1_clk, TDM1);
215 lpsc_clk(vlynq, sys_vlynq_ref_clk, VLYNQ);
216 lpsc_clk(mcdma, sys_half_clk, MCDMA);
217 lpsc_clk(usbss, sys_half_clk, USBSS);
218 lpsc_clk(usb0, clk_usbss, USB0);
219 lpsc_clk(usb1, clk_usbss, USB1);
220 lpsc_clk(ethss_rgmii, eth_250mhz_clk, ETHSS_RGMII);
221 lpsc_clk(imcop, sys_dsp_clk, IMCOP);
222 lpsc_clk(spare, sys_half_clk, SPARE);
223
224 /* LCD needs a full power down to clear controller state */
225 __lpsc_clk(lcd, sys_lcd_clk, LCD, PSC_SWRSTDISABLE);
226
227
228 /* Level 4 - leaf clocks for LPSC modules shared across drivers */
229 static struct clk clk_rng = { .name = "rng", .parent = &clk_pktsec };
230 static struct clk clk_pka = { .name = "pka", .parent = &clk_pktsec };
231
232 static struct clk_lookup clks[] = {
233 CLK(NULL, "pll_sys_clk", &pll_sys_clk),
234 CLK(NULL, "pll_eth_clk", &pll_eth_clk),
235 CLK(NULL, "pll_tdm_clk", &pll_tdm_clk),
236 CLK(NULL, "sys_arm1176_clk", &sys_arm1176_clk),
237 CLK(NULL, "sys_dsp_clk", &sys_dsp_clk),
238 CLK(NULL, "sys_ddr_clk", &sys_ddr_clk),
239 CLK(NULL, "sys_full_clk", &sys_full_clk),
240 CLK(NULL, "sys_lcd_clk", &sys_lcd_clk),
241 CLK(NULL, "sys_vlynq_ref_clk", &sys_vlynq_ref_clk),
242 CLK(NULL, "sys_tsc_clk", &sys_tsc_clk),
243 CLK(NULL, "sys_half_clk", &sys_half_clk),
244 CLK(NULL, "eth_5mhz_clk", ð_5mhz_clk),
245 CLK(NULL, "eth_50mhz_clk", ð_50mhz_clk),
246 CLK(NULL, "eth_125mhz_clk", ð_125mhz_clk),
247 CLK(NULL, "eth_250mhz_clk", ð_250mhz_clk),
248 CLK(NULL, "eth_25mhz_clk", ð_25mhz_clk),
249 CLK(NULL, "tdm_0_clk", &tdm_0_clk),
250 CLK(NULL, "tdm_extra_clk", &tdm_extra_clk),
251 CLK(NULL, "tdm_1_clk", &tdm_1_clk),
252 CLK(NULL, "clk_arm", &clk_arm),
253 CLK(NULL, "clk_gem", &clk_gem),
254 CLK(NULL, "clk_ddr2_phy", &clk_ddr2_phy),
255 CLK(NULL, "clk_tpcc", &clk_tpcc),
256 CLK(NULL, "clk_tptc0", &clk_tptc0),
257 CLK(NULL, "clk_tptc1", &clk_tptc1),
258 CLK(NULL, "clk_ram", &clk_ram),
259 CLK(NULL, "clk_mbx_lite", &clk_mbx_lite),
260 CLK("tnetv107x-fb.0", NULL, &clk_lcd),
261 CLK(NULL, "clk_ethss", &clk_ethss),
262 CLK(NULL, "aemif", &clk_aemif),
263 CLK(NULL, "clk_chipcfg", &clk_chipcfg),
264 CLK("tnetv107x-ts.0", NULL, &clk_tsc),
265 CLK(NULL, "clk_rom", &clk_rom),
266 CLK(NULL, "uart2", &clk_uart2),
267 CLK(NULL, "clk_pktsec", &clk_pktsec),
268 CLK("tnetv107x-rng.0", NULL, &clk_rng),
269 CLK("tnetv107x-pka.0", NULL, &clk_pka),
270 CLK(NULL, "clk_secctl", &clk_secctl),
271 CLK(NULL, "clk_keymgr", &clk_keymgr),
272 CLK("tnetv107x-keypad.0", NULL, &clk_keypad),
273 CLK(NULL, "clk_gpio", &clk_gpio),
274 CLK(NULL, "clk_mdio", &clk_mdio),
275 CLK("davinci_mmc.0", NULL, &clk_sdio0),
276 CLK(NULL, "uart0", &clk_uart0),
277 CLK(NULL, "uart1", &clk_uart1),
278 CLK(NULL, "timer0", &clk_timer0),
279 CLK(NULL, "timer1", &clk_timer1),
280 CLK("tnetv107x_wdt.0", NULL, &clk_wdt_arm),
281 CLK(NULL, "clk_wdt_dsp", &clk_wdt_dsp),
282 CLK("ti-ssp", NULL, &clk_ssp),
283 CLK(NULL, "clk_tdm0", &clk_tdm0),
284 CLK(NULL, "clk_vlynq", &clk_vlynq),
285 CLK(NULL, "clk_mcdma", &clk_mcdma),
286 CLK(NULL, "clk_usbss", &clk_usbss),
287 CLK(NULL, "clk_usb0", &clk_usb0),
288 CLK(NULL, "clk_usb1", &clk_usb1),
289 CLK(NULL, "clk_tdm1", &clk_tdm1),
290 CLK(NULL, "clk_debugss", &clk_debugss),
291 CLK(NULL, "clk_ethss_rgmii", &clk_ethss_rgmii),
292 CLK(NULL, "clk_system", &clk_system),
293 CLK(NULL, "clk_imcop", &clk_imcop),
294 CLK(NULL, "clk_spare", &clk_spare),
295 CLK("davinci_mmc.1", NULL, &clk_sdio1),
296 CLK(NULL, "clk_ddr2_vrst", &clk_ddr2_vrst),
297 CLK(NULL, "clk_ddr2_vctl_rst", &clk_ddr2_vctl_rst),
298 CLK(NULL, NULL, NULL),
299 };
300
301 static const struct mux_config pins[] = {
302 #ifdef CONFIG_DAVINCI_MUX
303 MUX_CFG(TNETV107X, ASR_A00, 0, 0, 0x1f, 0x00, false)
304 MUX_CFG(TNETV107X, GPIO32, 0, 0, 0x1f, 0x04, false)
305 MUX_CFG(TNETV107X, ASR_A01, 0, 5, 0x1f, 0x00, false)
306 MUX_CFG(TNETV107X, GPIO33, 0, 5, 0x1f, 0x04, false)
307 MUX_CFG(TNETV107X, ASR_A02, 0, 10, 0x1f, 0x00, false)
308 MUX_CFG(TNETV107X, GPIO34, 0, 10, 0x1f, 0x04, false)
309 MUX_CFG(TNETV107X, ASR_A03, 0, 15, 0x1f, 0x00, false)
310 MUX_CFG(TNETV107X, GPIO35, 0, 15, 0x1f, 0x04, false)
311 MUX_CFG(TNETV107X, ASR_A04, 0, 20, 0x1f, 0x00, false)
312 MUX_CFG(TNETV107X, GPIO36, 0, 20, 0x1f, 0x04, false)
313 MUX_CFG(TNETV107X, ASR_A05, 0, 25, 0x1f, 0x00, false)
314 MUX_CFG(TNETV107X, GPIO37, 0, 25, 0x1f, 0x04, false)
315 MUX_CFG(TNETV107X, ASR_A06, 1, 0, 0x1f, 0x00, false)
316 MUX_CFG(TNETV107X, GPIO38, 1, 0, 0x1f, 0x04, false)
317 MUX_CFG(TNETV107X, ASR_A07, 1, 5, 0x1f, 0x00, false)
318 MUX_CFG(TNETV107X, GPIO39, 1, 5, 0x1f, 0x04, false)
319 MUX_CFG(TNETV107X, ASR_A08, 1, 10, 0x1f, 0x00, false)
320 MUX_CFG(TNETV107X, GPIO40, 1, 10, 0x1f, 0x04, false)
321 MUX_CFG(TNETV107X, ASR_A09, 1, 15, 0x1f, 0x00, false)
322 MUX_CFG(TNETV107X, GPIO41, 1, 15, 0x1f, 0x04, false)
323 MUX_CFG(TNETV107X, ASR_A10, 1, 20, 0x1f, 0x00, false)
324 MUX_CFG(TNETV107X, GPIO42, 1, 20, 0x1f, 0x04, false)
325 MUX_CFG(TNETV107X, ASR_A11, 1, 25, 0x1f, 0x00, false)
326 MUX_CFG(TNETV107X, BOOT_STRP_0, 1, 25, 0x1f, 0x04, false)
327 MUX_CFG(TNETV107X, ASR_A12, 2, 0, 0x1f, 0x00, false)
328 MUX_CFG(TNETV107X, BOOT_STRP_1, 2, 0, 0x1f, 0x04, false)
329 MUX_CFG(TNETV107X, ASR_A13, 2, 5, 0x1f, 0x00, false)
330 MUX_CFG(TNETV107X, GPIO43, 2, 5, 0x1f, 0x04, false)
331 MUX_CFG(TNETV107X, ASR_A14, 2, 10, 0x1f, 0x00, false)
332 MUX_CFG(TNETV107X, GPIO44, 2, 10, 0x1f, 0x04, false)
333 MUX_CFG(TNETV107X, ASR_A15, 2, 15, 0x1f, 0x00, false)
334 MUX_CFG(TNETV107X, GPIO45, 2, 15, 0x1f, 0x04, false)
335 MUX_CFG(TNETV107X, ASR_A16, 2, 20, 0x1f, 0x00, false)
336 MUX_CFG(TNETV107X, GPIO46, 2, 20, 0x1f, 0x04, false)
337 MUX_CFG(TNETV107X, ASR_A17, 2, 25, 0x1f, 0x00, false)
338 MUX_CFG(TNETV107X, GPIO47, 2, 25, 0x1f, 0x04, false)
339 MUX_CFG(TNETV107X, ASR_A18, 3, 0, 0x1f, 0x00, false)
340 MUX_CFG(TNETV107X, GPIO48, 3, 0, 0x1f, 0x04, false)
341 MUX_CFG(TNETV107X, SDIO1_DATA3_0, 3, 0, 0x1f, 0x1c, false)
342 MUX_CFG(TNETV107X, ASR_A19, 3, 5, 0x1f, 0x00, false)
343 MUX_CFG(TNETV107X, GPIO49, 3, 5, 0x1f, 0x04, false)
344 MUX_CFG(TNETV107X, SDIO1_DATA2_0, 3, 5, 0x1f, 0x1c, false)
345 MUX_CFG(TNETV107X, ASR_A20, 3, 10, 0x1f, 0x00, false)
346 MUX_CFG(TNETV107X, GPIO50, 3, 10, 0x1f, 0x04, false)
347 MUX_CFG(TNETV107X, SDIO1_DATA1_0, 3, 10, 0x1f, 0x1c, false)
348 MUX_CFG(TNETV107X, ASR_A21, 3, 15, 0x1f, 0x00, false)
349 MUX_CFG(TNETV107X, GPIO51, 3, 15, 0x1f, 0x04, false)
350 MUX_CFG(TNETV107X, SDIO1_DATA0_0, 3, 15, 0x1f, 0x1c, false)
351 MUX_CFG(TNETV107X, ASR_A22, 3, 20, 0x1f, 0x00, false)
352 MUX_CFG(TNETV107X, GPIO52, 3, 20, 0x1f, 0x04, false)
353 MUX_CFG(TNETV107X, SDIO1_CMD_0, 3, 20, 0x1f, 0x1c, false)
354 MUX_CFG(TNETV107X, ASR_A23, 3, 25, 0x1f, 0x00, false)
355 MUX_CFG(TNETV107X, GPIO53, 3, 25, 0x1f, 0x04, false)
356 MUX_CFG(TNETV107X, SDIO1_CLK_0, 3, 25, 0x1f, 0x1c, false)
357 MUX_CFG(TNETV107X, ASR_BA_1, 4, 0, 0x1f, 0x00, false)
358 MUX_CFG(TNETV107X, GPIO54, 4, 0, 0x1f, 0x04, false)
359 MUX_CFG(TNETV107X, SYS_PLL_CLK, 4, 0, 0x1f, 0x1c, false)
360 MUX_CFG(TNETV107X, ASR_CS0, 4, 5, 0x1f, 0x00, false)
361 MUX_CFG(TNETV107X, ASR_CS1, 4, 10, 0x1f, 0x00, false)
362 MUX_CFG(TNETV107X, ASR_CS2, 4, 15, 0x1f, 0x00, false)
363 MUX_CFG(TNETV107X, TDM_PLL_CLK, 4, 15, 0x1f, 0x1c, false)
364 MUX_CFG(TNETV107X, ASR_CS3, 4, 20, 0x1f, 0x00, false)
365 MUX_CFG(TNETV107X, ETH_PHY_CLK, 4, 20, 0x1f, 0x0c, false)
366 MUX_CFG(TNETV107X, ASR_D00, 4, 25, 0x1f, 0x00, false)
367 MUX_CFG(TNETV107X, GPIO55, 4, 25, 0x1f, 0x1c, false)
368 MUX_CFG(TNETV107X, ASR_D01, 5, 0, 0x1f, 0x00, false)
369 MUX_CFG(TNETV107X, GPIO56, 5, 0, 0x1f, 0x1c, false)
370 MUX_CFG(TNETV107X, ASR_D02, 5, 5, 0x1f, 0x00, false)
371 MUX_CFG(TNETV107X, GPIO57, 5, 5, 0x1f, 0x1c, false)
372 MUX_CFG(TNETV107X, ASR_D03, 5, 10, 0x1f, 0x00, false)
373 MUX_CFG(TNETV107X, GPIO58, 5, 10, 0x1f, 0x1c, false)
374 MUX_CFG(TNETV107X, ASR_D04, 5, 15, 0x1f, 0x00, false)
375 MUX_CFG(TNETV107X, GPIO59_0, 5, 15, 0x1f, 0x1c, false)
376 MUX_CFG(TNETV107X, ASR_D05, 5, 20, 0x1f, 0x00, false)
377 MUX_CFG(TNETV107X, GPIO60_0, 5, 20, 0x1f, 0x1c, false)
378 MUX_CFG(TNETV107X, ASR_D06, 5, 25, 0x1f, 0x00, false)
379 MUX_CFG(TNETV107X, GPIO61_0, 5, 25, 0x1f, 0x1c, false)
380 MUX_CFG(TNETV107X, ASR_D07, 6, 0, 0x1f, 0x00, false)
381 MUX_CFG(TNETV107X, GPIO62_0, 6, 0, 0x1f, 0x1c, false)
382 MUX_CFG(TNETV107X, ASR_D08, 6, 5, 0x1f, 0x00, false)
383 MUX_CFG(TNETV107X, GPIO63_0, 6, 5, 0x1f, 0x1c, false)
384 MUX_CFG(TNETV107X, ASR_D09, 6, 10, 0x1f, 0x00, false)
385 MUX_CFG(TNETV107X, GPIO64_0, 6, 10, 0x1f, 0x1c, false)
386 MUX_CFG(TNETV107X, ASR_D10, 6, 15, 0x1f, 0x00, false)
387 MUX_CFG(TNETV107X, SDIO1_DATA3_1, 6, 15, 0x1f, 0x1c, false)
388 MUX_CFG(TNETV107X, ASR_D11, 6, 20, 0x1f, 0x00, false)
389 MUX_CFG(TNETV107X, SDIO1_DATA2_1, 6, 20, 0x1f, 0x1c, false)
390 MUX_CFG(TNETV107X, ASR_D12, 6, 25, 0x1f, 0x00, false)
391 MUX_CFG(TNETV107X, SDIO1_DATA1_1, 6, 25, 0x1f, 0x1c, false)
392 MUX_CFG(TNETV107X, ASR_D13, 7, 0, 0x1f, 0x00, false)
393 MUX_CFG(TNETV107X, SDIO1_DATA0_1, 7, 0, 0x1f, 0x1c, false)
394 MUX_CFG(TNETV107X, ASR_D14, 7, 5, 0x1f, 0x00, false)
395 MUX_CFG(TNETV107X, SDIO1_CMD_1, 7, 5, 0x1f, 0x1c, false)
396 MUX_CFG(TNETV107X, ASR_D15, 7, 10, 0x1f, 0x00, false)
397 MUX_CFG(TNETV107X, SDIO1_CLK_1, 7, 10, 0x1f, 0x1c, false)
398 MUX_CFG(TNETV107X, ASR_OE, 7, 15, 0x1f, 0x00, false)
399 MUX_CFG(TNETV107X, BOOT_STRP_2, 7, 15, 0x1f, 0x04, false)
400 MUX_CFG(TNETV107X, ASR_RNW, 7, 20, 0x1f, 0x00, false)
401 MUX_CFG(TNETV107X, GPIO29_0, 7, 20, 0x1f, 0x04, false)
402 MUX_CFG(TNETV107X, ASR_WAIT, 7, 25, 0x1f, 0x00, false)
403 MUX_CFG(TNETV107X, GPIO30_0, 7, 25, 0x1f, 0x04, false)
404 MUX_CFG(TNETV107X, ASR_WE, 8, 0, 0x1f, 0x00, false)
405 MUX_CFG(TNETV107X, BOOT_STRP_3, 8, 0, 0x1f, 0x04, false)
406 MUX_CFG(TNETV107X, ASR_WE_DQM0, 8, 5, 0x1f, 0x00, false)
407 MUX_CFG(TNETV107X, GPIO31, 8, 5, 0x1f, 0x04, false)
408 MUX_CFG(TNETV107X, LCD_PD17_0, 8, 5, 0x1f, 0x1c, false)
409 MUX_CFG(TNETV107X, ASR_WE_DQM1, 8, 10, 0x1f, 0x00, false)
410 MUX_CFG(TNETV107X, ASR_BA0_0, 8, 10, 0x1f, 0x04, false)
411 MUX_CFG(TNETV107X, VLYNQ_CLK, 9, 0, 0x1f, 0x00, false)
412 MUX_CFG(TNETV107X, GPIO14, 9, 0, 0x1f, 0x04, false)
413 MUX_CFG(TNETV107X, LCD_PD19_0, 9, 0, 0x1f, 0x1c, false)
414 MUX_CFG(TNETV107X, VLYNQ_RXD0, 9, 5, 0x1f, 0x00, false)
415 MUX_CFG(TNETV107X, GPIO15, 9, 5, 0x1f, 0x04, false)
416 MUX_CFG(TNETV107X, LCD_PD20_0, 9, 5, 0x1f, 0x1c, false)
417 MUX_CFG(TNETV107X, VLYNQ_RXD1, 9, 10, 0x1f, 0x00, false)
418 MUX_CFG(TNETV107X, GPIO16, 9, 10, 0x1f, 0x04, false)
419 MUX_CFG(TNETV107X, LCD_PD21_0, 9, 10, 0x1f, 0x1c, false)
420 MUX_CFG(TNETV107X, VLYNQ_TXD0, 9, 15, 0x1f, 0x00, false)
421 MUX_CFG(TNETV107X, GPIO17, 9, 15, 0x1f, 0x04, false)
422 MUX_CFG(TNETV107X, LCD_PD22_0, 9, 15, 0x1f, 0x1c, false)
423 MUX_CFG(TNETV107X, VLYNQ_TXD1, 9, 20, 0x1f, 0x00, false)
424 MUX_CFG(TNETV107X, GPIO18, 9, 20, 0x1f, 0x04, false)
425 MUX_CFG(TNETV107X, LCD_PD23_0, 9, 20, 0x1f, 0x1c, false)
426 MUX_CFG(TNETV107X, SDIO0_CLK, 10, 0, 0x1f, 0x00, false)
427 MUX_CFG(TNETV107X, GPIO19, 10, 0, 0x1f, 0x04, false)
428 MUX_CFG(TNETV107X, SDIO0_CMD, 10, 5, 0x1f, 0x00, false)
429 MUX_CFG(TNETV107X, GPIO20, 10, 5, 0x1f, 0x04, false)
430 MUX_CFG(TNETV107X, SDIO0_DATA0, 10, 10, 0x1f, 0x00, false)
431 MUX_CFG(TNETV107X, GPIO21, 10, 10, 0x1f, 0x04, false)
432 MUX_CFG(TNETV107X, SDIO0_DATA1, 10, 15, 0x1f, 0x00, false)
433 MUX_CFG(TNETV107X, GPIO22, 10, 15, 0x1f, 0x04, false)
434 MUX_CFG(TNETV107X, SDIO0_DATA2, 10, 20, 0x1f, 0x00, false)
435 MUX_CFG(TNETV107X, GPIO23, 10, 20, 0x1f, 0x04, false)
436 MUX_CFG(TNETV107X, SDIO0_DATA3, 10, 25, 0x1f, 0x00, false)
437 MUX_CFG(TNETV107X, GPIO24, 10, 25, 0x1f, 0x04, false)
438 MUX_CFG(TNETV107X, EMU0, 11, 0, 0x1f, 0x00, false)
439 MUX_CFG(TNETV107X, EMU1, 11, 5, 0x1f, 0x00, false)
440 MUX_CFG(TNETV107X, RTCK, 12, 0, 0x1f, 0x00, false)
441 MUX_CFG(TNETV107X, TRST_N, 12, 5, 0x1f, 0x00, false)
442 MUX_CFG(TNETV107X, TCK, 12, 10, 0x1f, 0x00, false)
443 MUX_CFG(TNETV107X, TDI, 12, 15, 0x1f, 0x00, false)
444 MUX_CFG(TNETV107X, TDO, 12, 20, 0x1f, 0x00, false)
445 MUX_CFG(TNETV107X, TMS, 12, 25, 0x1f, 0x00, false)
446 MUX_CFG(TNETV107X, TDM1_CLK, 13, 0, 0x1f, 0x00, false)
447 MUX_CFG(TNETV107X, TDM1_RX, 13, 5, 0x1f, 0x00, false)
448 MUX_CFG(TNETV107X, TDM1_TX, 13, 10, 0x1f, 0x00, false)
449 MUX_CFG(TNETV107X, TDM1_FS, 13, 15, 0x1f, 0x00, false)
450 MUX_CFG(TNETV107X, KEYPAD_R0, 14, 0, 0x1f, 0x00, false)
451 MUX_CFG(TNETV107X, KEYPAD_R1, 14, 5, 0x1f, 0x00, false)
452 MUX_CFG(TNETV107X, KEYPAD_R2, 14, 10, 0x1f, 0x00, false)
453 MUX_CFG(TNETV107X, KEYPAD_R3, 14, 15, 0x1f, 0x00, false)
454 MUX_CFG(TNETV107X, KEYPAD_R4, 14, 20, 0x1f, 0x00, false)
455 MUX_CFG(TNETV107X, KEYPAD_R5, 14, 25, 0x1f, 0x00, false)
456 MUX_CFG(TNETV107X, KEYPAD_R6, 15, 0, 0x1f, 0x00, false)
457 MUX_CFG(TNETV107X, GPIO12, 15, 0, 0x1f, 0x04, false)
458 MUX_CFG(TNETV107X, KEYPAD_R7, 15, 5, 0x1f, 0x00, false)
459 MUX_CFG(TNETV107X, GPIO10, 15, 5, 0x1f, 0x04, false)
460 MUX_CFG(TNETV107X, KEYPAD_C0, 15, 10, 0x1f, 0x00, false)
461 MUX_CFG(TNETV107X, KEYPAD_C1, 15, 15, 0x1f, 0x00, false)
462 MUX_CFG(TNETV107X, KEYPAD_C2, 15, 20, 0x1f, 0x00, false)
463 MUX_CFG(TNETV107X, KEYPAD_C3, 15, 25, 0x1f, 0x00, false)
464 MUX_CFG(TNETV107X, KEYPAD_C4, 16, 0, 0x1f, 0x00, false)
465 MUX_CFG(TNETV107X, KEYPAD_C5, 16, 5, 0x1f, 0x00, false)
466 MUX_CFG(TNETV107X, KEYPAD_C6, 16, 10, 0x1f, 0x00, false)
467 MUX_CFG(TNETV107X, GPIO13, 16, 10, 0x1f, 0x04, false)
468 MUX_CFG(TNETV107X, TEST_CLK_IN, 16, 10, 0x1f, 0x0c, false)
469 MUX_CFG(TNETV107X, KEYPAD_C7, 16, 15, 0x1f, 0x00, false)
470 MUX_CFG(TNETV107X, GPIO11, 16, 15, 0x1f, 0x04, false)
471 MUX_CFG(TNETV107X, SSP0_0, 17, 0, 0x1f, 0x00, false)
472 MUX_CFG(TNETV107X, SCC_DCLK, 17, 0, 0x1f, 0x04, false)
473 MUX_CFG(TNETV107X, LCD_PD20_1, 17, 0, 0x1f, 0x0c, false)
474 MUX_CFG(TNETV107X, SSP0_1, 17, 5, 0x1f, 0x00, false)
475 MUX_CFG(TNETV107X, SCC_CS_N, 17, 5, 0x1f, 0x04, false)
476 MUX_CFG(TNETV107X, LCD_PD21_1, 17, 5, 0x1f, 0x0c, false)
477 MUX_CFG(TNETV107X, SSP0_2, 17, 10, 0x1f, 0x00, false)
478 MUX_CFG(TNETV107X, SCC_D, 17, 10, 0x1f, 0x04, false)
479 MUX_CFG(TNETV107X, LCD_PD22_1, 17, 10, 0x1f, 0x0c, false)
480 MUX_CFG(TNETV107X, SSP0_3, 17, 15, 0x1f, 0x00, false)
481 MUX_CFG(TNETV107X, SCC_RESETN, 17, 15, 0x1f, 0x04, false)
482 MUX_CFG(TNETV107X, LCD_PD23_1, 17, 15, 0x1f, 0x0c, false)
483 MUX_CFG(TNETV107X, SSP1_0, 18, 0, 0x1f, 0x00, false)
484 MUX_CFG(TNETV107X, GPIO25, 18, 0, 0x1f, 0x04, false)
485 MUX_CFG(TNETV107X, UART2_CTS, 18, 0, 0x1f, 0x0c, false)
486 MUX_CFG(TNETV107X, SSP1_1, 18, 5, 0x1f, 0x00, false)
487 MUX_CFG(TNETV107X, GPIO26, 18, 5, 0x1f, 0x04, false)
488 MUX_CFG(TNETV107X, UART2_RD, 18, 5, 0x1f, 0x0c, false)
489 MUX_CFG(TNETV107X, SSP1_2, 18, 10, 0x1f, 0x00, false)
490 MUX_CFG(TNETV107X, GPIO27, 18, 10, 0x1f, 0x04, false)
491 MUX_CFG(TNETV107X, UART2_RTS, 18, 10, 0x1f, 0x0c, false)
492 MUX_CFG(TNETV107X, SSP1_3, 18, 15, 0x1f, 0x00, false)
493 MUX_CFG(TNETV107X, GPIO28, 18, 15, 0x1f, 0x04, false)
494 MUX_CFG(TNETV107X, UART2_TD, 18, 15, 0x1f, 0x0c, false)
495 MUX_CFG(TNETV107X, UART0_CTS, 19, 0, 0x1f, 0x00, false)
496 MUX_CFG(TNETV107X, UART0_RD, 19, 5, 0x1f, 0x00, false)
497 MUX_CFG(TNETV107X, UART0_RTS, 19, 10, 0x1f, 0x00, false)
498 MUX_CFG(TNETV107X, UART0_TD, 19, 15, 0x1f, 0x00, false)
499 MUX_CFG(TNETV107X, UART1_RD, 19, 20, 0x1f, 0x00, false)
500 MUX_CFG(TNETV107X, UART1_TD, 19, 25, 0x1f, 0x00, false)
501 MUX_CFG(TNETV107X, LCD_AC_NCS, 20, 0, 0x1f, 0x00, false)
502 MUX_CFG(TNETV107X, LCD_HSYNC_RNW, 20, 5, 0x1f, 0x00, false)
503 MUX_CFG(TNETV107X, LCD_VSYNC_A0, 20, 10, 0x1f, 0x00, false)
504 MUX_CFG(TNETV107X, LCD_MCLK, 20, 15, 0x1f, 0x00, false)
505 MUX_CFG(TNETV107X, LCD_PD16_0, 20, 15, 0x1f, 0x0c, false)
506 MUX_CFG(TNETV107X, LCD_PCLK_E, 20, 20, 0x1f, 0x00, false)
507 MUX_CFG(TNETV107X, LCD_PD00, 20, 25, 0x1f, 0x00, false)
508 MUX_CFG(TNETV107X, LCD_PD01, 21, 0, 0x1f, 0x00, false)
509 MUX_CFG(TNETV107X, LCD_PD02, 21, 5, 0x1f, 0x00, false)
510 MUX_CFG(TNETV107X, LCD_PD03, 21, 10, 0x1f, 0x00, false)
511 MUX_CFG(TNETV107X, LCD_PD04, 21, 15, 0x1f, 0x00, false)
512 MUX_CFG(TNETV107X, LCD_PD05, 21, 20, 0x1f, 0x00, false)
513 MUX_CFG(TNETV107X, LCD_PD06, 21, 25, 0x1f, 0x00, false)
514 MUX_CFG(TNETV107X, LCD_PD07, 22, 0, 0x1f, 0x00, false)
515 MUX_CFG(TNETV107X, LCD_PD08, 22, 5, 0x1f, 0x00, false)
516 MUX_CFG(TNETV107X, GPIO59_1, 22, 5, 0x1f, 0x0c, false)
517 MUX_CFG(TNETV107X, LCD_PD09, 22, 10, 0x1f, 0x00, false)
518 MUX_CFG(TNETV107X, GPIO60_1, 22, 10, 0x1f, 0x0c, false)
519 MUX_CFG(TNETV107X, LCD_PD10, 22, 15, 0x1f, 0x00, false)
520 MUX_CFG(TNETV107X, ASR_BA0_1, 22, 15, 0x1f, 0x04, false)
521 MUX_CFG(TNETV107X, GPIO61_1, 22, 15, 0x1f, 0x0c, false)
522 MUX_CFG(TNETV107X, LCD_PD11, 22, 20, 0x1f, 0x00, false)
523 MUX_CFG(TNETV107X, GPIO62_1, 22, 20, 0x1f, 0x0c, false)
524 MUX_CFG(TNETV107X, LCD_PD12, 22, 25, 0x1f, 0x00, false)
525 MUX_CFG(TNETV107X, GPIO63_1, 22, 25, 0x1f, 0x0c, false)
526 MUX_CFG(TNETV107X, LCD_PD13, 23, 0, 0x1f, 0x00, false)
527 MUX_CFG(TNETV107X, GPIO64_1, 23, 0, 0x1f, 0x0c, false)
528 MUX_CFG(TNETV107X, LCD_PD14, 23, 5, 0x1f, 0x00, false)
529 MUX_CFG(TNETV107X, GPIO29_1, 23, 5, 0x1f, 0x0c, false)
530 MUX_CFG(TNETV107X, LCD_PD15, 23, 10, 0x1f, 0x00, false)
531 MUX_CFG(TNETV107X, GPIO30_1, 23, 10, 0x1f, 0x0c, false)
532 MUX_CFG(TNETV107X, EINT0, 24, 0, 0x1f, 0x00, false)
533 MUX_CFG(TNETV107X, GPIO08, 24, 0, 0x1f, 0x04, false)
534 MUX_CFG(TNETV107X, EINT1, 24, 5, 0x1f, 0x00, false)
535 MUX_CFG(TNETV107X, GPIO09, 24, 5, 0x1f, 0x04, false)
536 MUX_CFG(TNETV107X, GPIO00, 24, 10, 0x1f, 0x00, false)
537 MUX_CFG(TNETV107X, LCD_PD20_2, 24, 10, 0x1f, 0x04, false)
538 MUX_CFG(TNETV107X, TDM_CLK_IN_2, 24, 10, 0x1f, 0x0c, false)
539 MUX_CFG(TNETV107X, GPIO01, 24, 15, 0x1f, 0x00, false)
540 MUX_CFG(TNETV107X, LCD_PD21_2, 24, 15, 0x1f, 0x04, false)
541 MUX_CFG(TNETV107X, 24M_CLK_OUT_1, 24, 15, 0x1f, 0x0c, false)
542 MUX_CFG(TNETV107X, GPIO02, 24, 20, 0x1f, 0x00, false)
543 MUX_CFG(TNETV107X, LCD_PD22_2, 24, 20, 0x1f, 0x04, false)
544 MUX_CFG(TNETV107X, GPIO03, 24, 25, 0x1f, 0x00, false)
545 MUX_CFG(TNETV107X, LCD_PD23_2, 24, 25, 0x1f, 0x04, false)
546 MUX_CFG(TNETV107X, GPIO04, 25, 0, 0x1f, 0x00, false)
547 MUX_CFG(TNETV107X, LCD_PD16_1, 25, 0, 0x1f, 0x04, false)
548 MUX_CFG(TNETV107X, USB0_RXERR, 25, 0, 0x1f, 0x0c, false)
549 MUX_CFG(TNETV107X, GPIO05, 25, 5, 0x1f, 0x00, false)
550 MUX_CFG(TNETV107X, LCD_PD17_1, 25, 5, 0x1f, 0x04, false)
551 MUX_CFG(TNETV107X, TDM_CLK_IN_1, 25, 5, 0x1f, 0x0c, false)
552 MUX_CFG(TNETV107X, GPIO06, 25, 10, 0x1f, 0x00, false)
553 MUX_CFG(TNETV107X, LCD_PD18, 25, 10, 0x1f, 0x04, false)
554 MUX_CFG(TNETV107X, 24M_CLK_OUT_2, 25, 10, 0x1f, 0x0c, false)
555 MUX_CFG(TNETV107X, GPIO07, 25, 15, 0x1f, 0x00, false)
556 MUX_CFG(TNETV107X, LCD_PD19_1, 25, 15, 0x1f, 0x04, false)
557 MUX_CFG(TNETV107X, USB1_RXERR, 25, 15, 0x1f, 0x0c, false)
558 MUX_CFG(TNETV107X, ETH_PLL_CLK, 25, 15, 0x1f, 0x1c, false)
559 MUX_CFG(TNETV107X, MDIO, 26, 0, 0x1f, 0x00, false)
560 MUX_CFG(TNETV107X, MDC, 26, 5, 0x1f, 0x00, false)
561 MUX_CFG(TNETV107X, AIC_MUTE_STAT_N, 26, 10, 0x1f, 0x00, false)
562 MUX_CFG(TNETV107X, TDM0_CLK, 26, 10, 0x1f, 0x04, false)
563 MUX_CFG(TNETV107X, AIC_HNS_EN_N, 26, 15, 0x1f, 0x00, false)
564 MUX_CFG(TNETV107X, TDM0_FS, 26, 15, 0x1f, 0x04, false)
565 MUX_CFG(TNETV107X, AIC_HDS_EN_STAT_N, 26, 20, 0x1f, 0x00, false)
566 MUX_CFG(TNETV107X, TDM0_TX, 26, 20, 0x1f, 0x04, false)
567 MUX_CFG(TNETV107X, AIC_HNF_EN_STAT_N, 26, 25, 0x1f, 0x00, false)
568 MUX_CFG(TNETV107X, TDM0_RX, 26, 25, 0x1f, 0x04, false)
569 #endif
570 };
571
572 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
573 static u8 irq_prios[TNETV107X_N_CP_INTC_IRQ] = {
574 /* fill in default priority 7 */
575 [0 ... (TNETV107X_N_CP_INTC_IRQ - 1)] = 7,
576 /* now override as needed, e.g. [xxx] = 5 */
577 };
578
579 /* Contents of JTAG ID register used to identify exact cpu type */
580 static struct davinci_id ids[] = {
581 {
582 .variant = 0x0,
583 .part_no = 0xb8a1,
584 .manufacturer = 0x017,
585 .cpu_id = DAVINCI_CPU_ID_TNETV107X,
586 .name = "tnetv107x rev 1.0",
587 },
588 {
589 .variant = 0x1,
590 .part_no = 0xb8a1,
591 .manufacturer = 0x017,
592 .cpu_id = DAVINCI_CPU_ID_TNETV107X,
593 .name = "tnetv107x rev 1.1/1.2",
594 },
595 };
596
597 static struct davinci_timer_instance timer_instance[2] = {
598 {
599 .base = TNETV107X_TIMER0_BASE,
600 .bottom_irq = IRQ_TNETV107X_TIMER_0_TINT12,
601 .top_irq = IRQ_TNETV107X_TIMER_0_TINT34,
602 },
603 {
604 .base = TNETV107X_TIMER1_BASE,
605 .bottom_irq = IRQ_TNETV107X_TIMER_1_TINT12,
606 .top_irq = IRQ_TNETV107X_TIMER_1_TINT34,
607 },
608 };
609
610 static struct davinci_timer_info timer_info = {
611 .timers = timer_instance,
612 .clockevent_id = T0_BOT,
613 .clocksource_id = T0_TOP,
614 };
615
616 /*
617 * TNETV107X platforms do not use the static mappings from Davinci
618 * IO_PHYS/IO_VIRT. This SOC's interesting MMRs are at different addresses,
619 * and changing IO_PHYS would break away from existing Davinci SOCs.
620 *
621 * The primary impact of the current model is that IO_ADDRESS() is not to be
622 * used to map registers on TNETV107X.
623 *
624 * 1. The first chunk is for INTC: This needs to be mapped in via iotable
625 * because ioremap() does not seem to be operational at the time when
626 * irqs are initialized. Without this, consistent dma init bombs.
627 *
628 * 2. The second chunk maps in register areas that need to be populated into
629 * davinci_soc_info. Note that alignment restrictions come into play if
630 * low-level debug is enabled (see note in <mach/tnetv107x.h>).
631 */
632 static struct map_desc io_desc[] = {
633 { /* INTC */
634 .virtual = IO_VIRT,
635 .pfn = __phys_to_pfn(TNETV107X_INTC_BASE),
636 .length = SZ_16K,
637 .type = MT_DEVICE
638 },
639 { /* Most of the rest */
640 .virtual = TNETV107X_IO_VIRT,
641 .pfn = __phys_to_pfn(TNETV107X_IO_BASE),
642 .length = IO_SIZE - SZ_1M,
643 .type = MT_DEVICE
644 },
645 };
646
clk_sspll_recalc(struct clk * clk)647 static unsigned long clk_sspll_recalc(struct clk *clk)
648 {
649 int pll;
650 unsigned long mult = 0, prediv = 1, postdiv = 1;
651 unsigned long ref = OSC_FREQ_ONCHIP, ret;
652 u32 tmp;
653
654 if (WARN_ON(!clk->pll_data))
655 return clk->rate;
656
657 if (!clk_ctrl_regs) {
658 void __iomem *tmp;
659
660 tmp = ioremap(TNETV107X_CLOCK_CONTROL_BASE, SZ_4K);
661
662 if (WARN(!tmp, "failed ioremap for clock control regs\n"))
663 return clk->parent ? clk->parent->rate : 0;
664
665 for (pll = 0; pll < N_PLLS; pll++)
666 sspll_regs[pll] = tmp + sspll_regs_base[pll];
667
668 clk_ctrl_regs = tmp;
669 }
670
671 pll = clk->pll_data->num;
672
673 tmp = __raw_readl(&clk_ctrl_regs->pll_bypass);
674 if (!(tmp & bypass_mask[pll])) {
675 mult = __raw_readl(&sspll_regs[pll]->mult_factor);
676 prediv = __raw_readl(&sspll_regs[pll]->pre_div) + 1;
677 postdiv = __raw_readl(&sspll_regs[pll]->post_div) + 1;
678 }
679
680 tmp = __raw_readl(clk->pll_data->base + PLLCTL);
681 if (tmp & PLLCTL_CLKMODE)
682 ref = pll_ext_freq[pll];
683
684 clk->pll_data->input_rate = ref;
685
686 tmp = __raw_readl(clk->pll_data->base + PLLCTL);
687 if (!(tmp & PLLCTL_PLLEN))
688 return ref;
689
690 ret = ref;
691 if (mult)
692 ret += ((unsigned long long)ref * mult) / 256;
693
694 ret /= (prediv * postdiv);
695
696 return ret;
697 }
698
tnetv107x_watchdog_reset(struct platform_device * pdev)699 static void tnetv107x_watchdog_reset(struct platform_device *pdev)
700 {
701 struct wdt_regs __iomem *regs;
702
703 regs = ioremap(pdev->resource[0].start, SZ_4K);
704
705 /* disable watchdog */
706 __raw_writel(0x7777, ®s->disable_lock);
707 __raw_writel(0xcccc, ®s->disable_lock);
708 __raw_writel(0xdddd, ®s->disable_lock);
709 __raw_writel(0, ®s->disable);
710
711 /* program prescale */
712 __raw_writel(0x5a5a, ®s->prescale_lock);
713 __raw_writel(0xa5a5, ®s->prescale_lock);
714 __raw_writel(0, ®s->prescale);
715
716 /* program countdown */
717 __raw_writel(0x6666, ®s->change_lock);
718 __raw_writel(0xbbbb, ®s->change_lock);
719 __raw_writel(1, ®s->change);
720
721 /* enable watchdog */
722 __raw_writel(0x7777, ®s->disable_lock);
723 __raw_writel(0xcccc, ®s->disable_lock);
724 __raw_writel(0xdddd, ®s->disable_lock);
725 __raw_writel(1, ®s->disable);
726
727 /* kick */
728 __raw_writel(0x5555, ®s->kick_lock);
729 __raw_writel(0xaaaa, ®s->kick_lock);
730 __raw_writel(1, ®s->kick);
731 }
732
tnetv107x_restart(char mode,const char * cmd)733 void tnetv107x_restart(char mode, const char *cmd)
734 {
735 tnetv107x_watchdog_reset(&tnetv107x_wdt_device);
736 }
737
738 static struct davinci_soc_info tnetv107x_soc_info = {
739 .io_desc = io_desc,
740 .io_desc_num = ARRAY_SIZE(io_desc),
741 .ids = ids,
742 .ids_num = ARRAY_SIZE(ids),
743 .jtag_id_reg = TNETV107X_CHIP_CFG_BASE + 0x018,
744 .cpu_clks = clks,
745 .psc_bases = psc_regs,
746 .psc_bases_num = ARRAY_SIZE(psc_regs),
747 .pinmux_base = TNETV107X_CHIP_CFG_BASE + 0x150,
748 .pinmux_pins = pins,
749 .pinmux_pins_num = ARRAY_SIZE(pins),
750 .intc_type = DAVINCI_INTC_TYPE_CP_INTC,
751 .intc_base = TNETV107X_INTC_BASE,
752 .intc_irq_prios = irq_prios,
753 .intc_irq_num = TNETV107X_N_CP_INTC_IRQ,
754 .intc_host_map = intc_host_map,
755 .gpio_base = TNETV107X_GPIO_BASE,
756 .gpio_type = GPIO_TYPE_TNETV107X,
757 .gpio_num = TNETV107X_N_GPIO,
758 .timer_info = &timer_info,
759 .serial_dev = &tnetv107x_serial_device,
760 };
761
tnetv107x_init(void)762 void __init tnetv107x_init(void)
763 {
764 davinci_common_init(&tnetv107x_soc_info);
765 }
766