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Heiko Schocherc0dcece2013-08-19 16:39:01 +02001/*
2 * Board functions for TI AM335X based pxm2 board
3 * (C) Copyright 2013 Siemens Schweiz AG
4 * (C) Heiko Schocher, DENX Software Engineering, hs@denx.de.
5 *
6 * Based on:
7 * u-boot:/board/ti/am335x/board.c
8 *
9 * Board functions for TI AM335X based boards
10 *
11 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
12 *
13 * SPDX-License-Identifier: GPL-2.0+
14 */
15
16#include <common.h>
17#include <errno.h>
18#include <spl.h>
19#include <asm/arch/cpu.h>
20#include <asm/arch/hardware.h>
21#include <asm/arch/omap.h>
22#include <asm/arch/ddr_defs.h>
23#include <asm/arch/clock.h>
24#include <asm/arch/gpio.h>
25#include <asm/arch/mmc_host_def.h>
26#include <asm/arch/sys_proto.h>
27#include "../../../drivers/video/da8xx-fb.h"
28#include <asm/io.h>
29#include <asm/emif.h>
30#include <asm/gpio.h>
31#include <i2c.h>
32#include <miiphy.h>
33#include <cpsw.h>
34#include <watchdog.h>
35#include "board.h"
36#include "../common/factoryset.h"
37#include "pmic.h"
38#include <nand.h>
39#include <bmp_layout.h>
40
41DECLARE_GLOBAL_DATA_PTR;
42
43#ifdef CONFIG_SPL_BUILD
44static void board_init_ddr(void)
45{
46struct emif_regs pxm2_ddr3_emif_reg_data = {
47 .sdram_config = 0x41805332,
48 .sdram_tim1 = 0x666b3c9,
49 .sdram_tim2 = 0x243631ca,
50 .sdram_tim3 = 0x33f,
51 .emif_ddr_phy_ctlr_1 = 0x100005,
52 .zq_config = 0,
53 .ref_ctrl = 0x81a,
54};
55
56struct ddr_data pxm2_ddr3_data = {
57 .datardsratio0 = 0x81204812,
58 .datawdsratio0 = 0,
59 .datafwsratio0 = 0x8020080,
60 .datawrsratio0 = 0x4010040,
Heiko Schocherc0dcece2013-08-19 16:39:01 +020061};
62
63struct cmd_control pxm2_ddr3_cmd_ctrl_data = {
64 .cmd0csratio = 0x80,
Heiko Schocherc0dcece2013-08-19 16:39:01 +020065 .cmd0iclkout = 0,
66 .cmd1csratio = 0x80,
Heiko Schocherc0dcece2013-08-19 16:39:01 +020067 .cmd1iclkout = 0,
68 .cmd2csratio = 0x80,
Heiko Schocherc0dcece2013-08-19 16:39:01 +020069 .cmd2iclkout = 0,
70};
71
Lokesh Vutla965de8b2013-12-10 15:02:21 +053072const struct ctrl_ioregs ioregs = {
Egli, Samuel9fc2ed42014-04-24 17:57:52 +020073 .cm0ioctl = DDR_IOCTRL_VAL,
74 .cm1ioctl = DDR_IOCTRL_VAL,
75 .cm2ioctl = DDR_IOCTRL_VAL,
76 .dt0ioctl = DDR_IOCTRL_VAL,
77 .dt1ioctl = DDR_IOCTRL_VAL,
Lokesh Vutla965de8b2013-12-10 15:02:21 +053078};
79
80 config_ddr(DDR_PLL_FREQ, &ioregs, &pxm2_ddr3_data,
Heiko Schocherc0dcece2013-08-19 16:39:01 +020081 &pxm2_ddr3_cmd_ctrl_data, &pxm2_ddr3_emif_reg_data, 0);
82}
83
84/*
85 * voltage switching for MPU frequency switching.
86 * @module = mpu - 0, core - 1
87 * @vddx_op_vol_sel = vdd voltage to set
88 */
89
90#define MPU 0
91#define CORE 1
92
93int voltage_update(unsigned int module, unsigned char vddx_op_vol_sel)
94{
95 uchar buf[4];
96 unsigned int reg_offset;
97
98 if (module == MPU)
99 reg_offset = PMIC_VDD1_OP_REG;
100 else
101 reg_offset = PMIC_VDD2_OP_REG;
102
103 /* Select VDDx OP */
104 if (i2c_read(PMIC_CTRL_I2C_ADDR, reg_offset, 1, buf, 1))
105 return 1;
106
107 buf[0] &= ~PMIC_OP_REG_CMD_MASK;
108
109 if (i2c_write(PMIC_CTRL_I2C_ADDR, reg_offset, 1, buf, 1))
110 return 1;
111
112 /* Configure VDDx OP Voltage */
113 if (i2c_read(PMIC_CTRL_I2C_ADDR, reg_offset, 1, buf, 1))
114 return 1;
115
116 buf[0] &= ~PMIC_OP_REG_SEL_MASK;
117 buf[0] |= vddx_op_vol_sel;
118
119 if (i2c_write(PMIC_CTRL_I2C_ADDR, reg_offset, 1, buf, 1))
120 return 1;
121
122 if (i2c_read(PMIC_CTRL_I2C_ADDR, reg_offset, 1, buf, 1))
123 return 1;
124
125 if ((buf[0] & PMIC_OP_REG_SEL_MASK) != vddx_op_vol_sel)
126 return 1;
127
128 return 0;
129}
130
131#define OSC (V_OSCK/1000000)
132
133const struct dpll_params dpll_mpu_pxm2 = {
134 720, OSC-1, 1, -1, -1, -1, -1};
135
136void spl_siemens_board_init(void)
137{
138 uchar buf[4];
139 /*
140 * pxm2 PMIC code. All boards currently want an MPU voltage
141 * of 1.2625V and CORE voltage of 1.1375V to operate at
142 * 720MHz.
143 */
144 if (i2c_probe(PMIC_CTRL_I2C_ADDR))
145 return;
146
147 /* VDD1/2 voltage selection register access by control i/f */
148 if (i2c_read(PMIC_CTRL_I2C_ADDR, PMIC_DEVCTRL_REG, 1, buf, 1))
149 return;
150
151 buf[0] |= PMIC_DEVCTRL_REG_SR_CTL_I2C_SEL_CTL_I2C;
152
153 if (i2c_write(PMIC_CTRL_I2C_ADDR, PMIC_DEVCTRL_REG, 1, buf, 1))
154 return;
155
156 /* Frequency switching for OPP 120 */
157 if (voltage_update(MPU, PMIC_OP_REG_SEL_1_2_6) ||
158 voltage_update(CORE, PMIC_OP_REG_SEL_1_1_3)) {
159 printf("voltage update failed\n");
160 }
161}
162#endif /* if def CONFIG_SPL_BUILD */
163
164int read_eeprom(void)
165{
166 /* nothing ToDo here for this board */
167
168 return 0;
169}
170
171#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
172 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
173static void cpsw_control(int enabled)
174{
175 /* VTP can be added here */
176
177 return;
178}
179
180static struct cpsw_slave_data cpsw_slaves[] = {
181 {
182 .slave_reg_ofs = 0x208,
183 .sliver_reg_ofs = 0xd80,
Mugunthan V N9c653aa2014-02-18 07:31:52 -0500184 .phy_addr = 0,
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200185 .phy_if = PHY_INTERFACE_MODE_RMII,
186 },
187 {
188 .slave_reg_ofs = 0x308,
189 .sliver_reg_ofs = 0xdc0,
Mugunthan V N9c653aa2014-02-18 07:31:52 -0500190 .phy_addr = 1,
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200191 .phy_if = PHY_INTERFACE_MODE_RMII,
192 },
193};
194
195static struct cpsw_platform_data cpsw_data = {
196 .mdio_base = CPSW_MDIO_BASE,
197 .cpsw_base = CPSW_BASE,
198 .mdio_div = 0xff,
199 .channels = 4,
200 .cpdma_reg_ofs = 0x800,
201 .slaves = 1,
202 .slave_data = cpsw_slaves,
203 .ale_reg_ofs = 0xd00,
204 .ale_entries = 1024,
205 .host_port_reg_ofs = 0x108,
206 .hw_stats_reg_ofs = 0x900,
207 .bd_ram_ofs = 0x2000,
208 .mac_control = (1 << 5),
209 .control = cpsw_control,
210 .host_port_num = 0,
211 .version = CPSW_CTRL_VERSION_2,
212};
213#endif /* #if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) */
214
215#if defined(CONFIG_DRIVER_TI_CPSW) || \
Paul Kocialkowski95de1e22015-08-04 17:04:06 +0200216 (defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET))
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200217int board_eth_init(bd_t *bis)
218{
219 int n = 0;
220#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
221 (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
222 struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
223#ifdef CONFIG_FACTORYSET
224 int rv;
Joe Hershberger0adb5b72015-04-08 01:41:04 -0500225 if (!is_valid_ethaddr(factory_dat.mac))
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200226 printf("Error: no valid mac address\n");
227 else
228 eth_setenv_enetaddr("ethaddr", factory_dat.mac);
229#endif /* #ifdef CONFIG_FACTORYSET */
230
231 /* Set rgmii mode and enable rmii clock to be sourced from chip */
Heiko Schocher60ca5ad2014-11-05 10:23:21 +0100232 writel(RGMII_MODE_ENABLE | RGMII_INT_DELAY, &cdev->miisel);
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200233
234 rv = cpsw_register(&cpsw_data);
235 if (rv < 0)
236 printf("Error %d registering CPSW switch\n", rv);
237 else
238 n += rv;
239#endif
240 return n;
241}
242#endif /* #if defined(CONFIG_DRIVER_TI_CPSW) */
243
244#if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD)
245static struct da8xx_panel lcd_panels[] = {
246 /* AUO G156XW01 V1 */
247 [0] = {
248 .name = "AUO_G156XW01_V1",
249 .width = 1376,
250 .height = 768,
251 .hfp = 14,
252 .hbp = 64,
253 .hsw = 56,
254 .vfp = 1,
255 .vbp = 28,
256 .vsw = 3,
257 .pxl_clk = 60000000,
258 .invert_pxl_clk = 0,
259 },
260 /* AUO B101EVN06 V0 */
261 [1] = {
262 .name = "AUO_B101EVN06_V0",
263 .width = 1280,
264 .height = 800,
265 .hfp = 52,
266 .hbp = 84,
267 .hsw = 36,
268 .vfp = 3,
269 .vbp = 14,
270 .vsw = 6,
271 .pxl_clk = 60000000,
272 .invert_pxl_clk = 0,
273 },
274 /*
275 * Settings from factoryset
276 * stored in EEPROM
277 */
278 [2] = {
279 .name = "factoryset",
280 .width = 0,
281 .height = 0,
282 .hfp = 0,
283 .hbp = 0,
284 .hsw = 0,
285 .vfp = 0,
286 .vbp = 0,
287 .vsw = 0,
288 .pxl_clk = 60000000,
289 .invert_pxl_clk = 0,
290 },
291};
292
293static const struct display_panel disp_panel = {
294 WVGA,
295 32,
296 16,
297 COLOR_ACTIVE,
298};
299
300static const struct lcd_ctrl_config lcd_cfg = {
301 &disp_panel,
302 .ac_bias = 255,
303 .ac_bias_intrpt = 0,
304 .dma_burst_sz = 16,
305 .bpp = 32,
306 .fdd = 0x80,
307 .tft_alt_mode = 0,
308 .stn_565_mode = 0,
309 .mono_8bit_mode = 0,
310 .invert_line_clock = 1,
311 .invert_frm_clock = 1,
312 .sync_edge = 0,
313 .sync_ctrl = 1,
314 .raster_order = 0,
315};
316
317static int set_gpio(int gpio, int state)
318{
319 gpio_request(gpio, "temp");
320 gpio_direction_output(gpio, state);
321 gpio_set_value(gpio, state);
322 gpio_free(gpio);
323 return 0;
324}
325
326static int enable_backlight(void)
327{
328 set_gpio(BOARD_LCD_POWER, 1);
329 set_gpio(BOARD_BACK_LIGHT, 1);
330 set_gpio(BOARD_TOUCH_POWER, 1);
331 return 0;
332}
333
334static int enable_pwm(void)
335{
336 struct pwmss_regs *pwmss = (struct pwmss_regs *)PWMSS0_BASE;
337 struct pwmss_ecap_regs *ecap;
338 int ticks = PWM_TICKS;
339 int duty = PWM_DUTY;
340
341 ecap = (struct pwmss_ecap_regs *)AM33XX_ECAP0_BASE;
342 /* enable clock */
343 setbits_le32(&pwmss->clkconfig, ECAP_CLK_EN);
344 /* TimeStam Counter register */
345 writel(0xdb9, &ecap->tsctr);
346 /* config period */
347 writel(ticks - 1, &ecap->cap3);
348 writel(ticks - 1, &ecap->cap1);
349 setbits_le16(&ecap->ecctl2,
350 (ECTRL2_MDSL_ECAP | ECTRL2_SYNCOSEL_MASK | 0xd0));
351 /* config duty */
352 writel(duty, &ecap->cap2);
353 writel(duty, &ecap->cap4);
354 /* start */
355 setbits_le16(&ecap->ecctl2, ECTRL2_CTRSTP_FREERUN);
356 return 0;
357}
358
359static struct dpll_regs dpll_lcd_regs = {
360 .cm_clkmode_dpll = CM_WKUP + 0x98,
361 .cm_idlest_dpll = CM_WKUP + 0x48,
362 .cm_clksel_dpll = CM_WKUP + 0x54,
363};
364
365/* no console on this board */
366int board_cfb_skip(void)
367{
368 return 1;
369}
370
371#define PLL_GET_M(v) ((v >> 8) & 0x7ff)
372#define PLL_GET_N(v) (v & 0x7f)
373
374static int get_clk(struct dpll_regs *dpll_regs)
375{
376 unsigned int val;
377 unsigned int m, n;
378 int f = 0;
379
380 val = readl(dpll_regs->cm_clksel_dpll);
381 m = PLL_GET_M(val);
382 n = PLL_GET_N(val);
383 f = (m * V_OSCK) / n;
384
385 return f;
386};
387
388int clk_get(int clk)
389{
390 return get_clk(&dpll_lcd_regs);
391};
392
393static int conf_disp_pll(int m, int n)
394{
395 struct cm_perpll *cmper = (struct cm_perpll *)CM_PER;
396 struct cm_dpll *cmdpll = (struct cm_dpll *)CM_DPLL;
397 struct dpll_params dpll_lcd = {m, n, -1, -1, -1, -1, -1};
398
399 u32 *const clk_domains[] = {
400 &cmper->lcdclkctrl,
401 0
402 };
403 u32 *const clk_modules_explicit_en[] = {
404 &cmper->lcdclkctrl,
405 &cmper->lcdcclkstctrl,
406 &cmper->epwmss0clkctrl,
407 0
408 };
409 do_enable_clocks(clk_domains, clk_modules_explicit_en, 1);
410 writel(0x0, &cmdpll->clklcdcpixelclk);
411
412 do_setup_dpll(&dpll_lcd_regs, &dpll_lcd);
413
414 return 0;
415}
416
417static int board_video_init(void)
418{
Samuel Egli56eb3da2013-11-04 14:05:03 +0100419 conf_disp_pll(24, 1);
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200420 if (factory_dat.pxm50)
421 da8xx_video_init(&lcd_panels[0], &lcd_cfg, lcd_cfg.bpp);
422 else
423 da8xx_video_init(&lcd_panels[1], &lcd_cfg, lcd_cfg.bpp);
424
425 enable_pwm();
426 enable_backlight();
427
428 return 0;
429}
430#endif
Heiko Schocher0c331eb2014-11-18 11:51:06 +0100431
432#ifdef CONFIG_BOARD_LATE_INIT
433int board_late_init(void)
434{
435 int ret;
436
437 omap_nand_switch_ecc(1, 8);
438
439#ifdef CONFIG_FACTORYSET
440 if (factory_dat.asn[0] != 0) {
441 char tmp[2 * MAX_STRING_LENGTH + 2];
442
443 if (strncmp((const char *)factory_dat.asn, "PXM50", 5) == 0)
444 factory_dat.pxm50 = 1;
445 else
446 factory_dat.pxm50 = 0;
447 sprintf(tmp, "%s_%s", factory_dat.asn,
448 factory_dat.comp_version);
449 ret = setenv("boardid", tmp);
450 if (ret)
451 printf("error setting board id\n");
452 } else {
453 factory_dat.pxm50 = 1;
454 ret = setenv("boardid", "PXM50_1.0");
455 if (ret)
456 printf("error setting board id\n");
457 }
458 debug("PXM50: %d\n", factory_dat.pxm50);
459#endif
460
461 return 0;
462}
463#endif
464
Heiko Schocherc0dcece2013-08-19 16:39:01 +0200465#include "../common/board.c"