1 /* 2 * Copyright (C) 2011 3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 4 * 5 * Copyright (C) 2009 TechNexion Ltd. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #include <common.h> 11 #include <netdev.h> 12 #include <malloc.h> 13 #include <fpga.h> 14 #include <video_fb.h> 15 #include <asm/io.h> 16 #include <asm/arch/mem.h> 17 #include <asm/arch/mux.h> 18 #include <asm/arch/sys_proto.h> 19 #include <asm/omap_gpio.h> 20 #include <asm/arch/mmc_host_def.h> 21 #include <asm/arch/dss.h> 22 #include <asm/arch/clock.h> 23 #include <i2c.h> 24 #include <spartan3.h> 25 #include <asm/gpio.h> 26 #ifdef CONFIG_USB_EHCI_HCD 27 #include <usb.h> 28 #include <asm/ehci-omap.h> 29 #endif 30 #include "mt_ventoux.h" 31 32 DECLARE_GLOBAL_DATA_PTR; 33 34 #define BUZZER 140 35 #define SPEAKER 141 36 #define USB1_PWR 127 37 #define USB2_PWR 149 38 39 #ifndef CONFIG_FPGA 40 #error "The Teejet mt_ventoux must have CONFIG_FPGA enabled" 41 #endif 42 43 #define FPGA_RESET 62 44 #define FPGA_PROG 116 45 #define FPGA_CCLK 117 46 #define FPGA_DIN 118 47 #define FPGA_INIT 119 48 #define FPGA_DONE 154 49 50 #define LCD_PWR 138 51 #define LCD_PON_PIN 139 52 53 #if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD) 54 static struct { 55 u32 xres; 56 u32 yres; 57 } panel_resolution[] = { 58 { 480, 272 }, 59 { 800, 480 } 60 }; 61 62 static struct panel_config lcd_cfg[] = { 63 { 64 .timing_h = PANEL_TIMING_H(40, 5, 2), 65 .timing_v = PANEL_TIMING_V(8, 8, 2), 66 .pol_freq = 0x00003000, /* Pol Freq */ 67 .divisor = 0x00010033, /* 9 Mhz Pixel Clock */ 68 .panel_type = 0x01, /* TFT */ 69 .data_lines = 0x03, /* 24 Bit RGB */ 70 .load_mode = 0x02, /* Frame Mode */ 71 .panel_color = 0, 72 .gfx_format = GFXFORMAT_RGB24_UNPACKED, 73 }, 74 { 75 .timing_h = PANEL_TIMING_H(20, 192, 4), 76 .timing_v = PANEL_TIMING_V(2, 20, 10), 77 .pol_freq = 0x00004000, /* Pol Freq */ 78 .divisor = 0x0001000E, /* 36Mhz Pixel Clock */ 79 .panel_type = 0x01, /* TFT */ 80 .data_lines = 0x03, /* 24 Bit RGB */ 81 .load_mode = 0x02, /* Frame Mode */ 82 .panel_color = 0, 83 .gfx_format = GFXFORMAT_RGB24_UNPACKED, 84 } 85 }; 86 #endif 87 88 /* Timing definitions for FPGA */ 89 static const u32 gpmc_fpga[] = { 90 FPGA_GPMC_CONFIG1, 91 FPGA_GPMC_CONFIG2, 92 FPGA_GPMC_CONFIG3, 93 FPGA_GPMC_CONFIG4, 94 FPGA_GPMC_CONFIG5, 95 FPGA_GPMC_CONFIG6, 96 }; 97 98 #ifdef CONFIG_USB_EHCI_HCD 99 static struct omap_usbhs_board_data usbhs_bdata = { 100 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, 101 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, 102 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, 103 }; 104 105 int ehci_hcd_init(int index, enum usb_init_type init, 106 struct ehci_hccr **hccr, struct ehci_hcor **hcor) 107 { 108 return omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor); 109 } 110 111 int ehci_hcd_stop(int index) 112 { 113 return omap_ehci_hcd_stop(); 114 } 115 #endif 116 117 118 static inline void fpga_reset(int nassert) 119 { 120 gpio_set_value(FPGA_RESET, !nassert); 121 } 122 123 int fpga_pgm_fn(int nassert, int nflush, int cookie) 124 { 125 debug("%s:%d: FPGA PROGRAM ", __func__, __LINE__); 126 127 gpio_set_value(FPGA_PROG, !nassert); 128 129 return nassert; 130 } 131 132 int fpga_init_fn(int cookie) 133 { 134 return !gpio_get_value(FPGA_INIT); 135 } 136 137 int fpga_done_fn(int cookie) 138 { 139 return gpio_get_value(FPGA_DONE); 140 } 141 142 int fpga_pre_config_fn(int cookie) 143 { 144 debug("%s:%d: FPGA pre-configuration\n", __func__, __LINE__); 145 146 /* Setting GPIOs for programming Mode */ 147 gpio_request(FPGA_RESET, "FPGA_RESET"); 148 gpio_direction_output(FPGA_RESET, 1); 149 gpio_request(FPGA_PROG, "FPGA_PROG"); 150 gpio_direction_output(FPGA_PROG, 1); 151 gpio_request(FPGA_CCLK, "FPGA_CCLK"); 152 gpio_direction_output(FPGA_CCLK, 1); 153 gpio_request(FPGA_DIN, "FPGA_DIN"); 154 gpio_direction_output(FPGA_DIN, 0); 155 gpio_request(FPGA_INIT, "FPGA_INIT"); 156 gpio_direction_input(FPGA_INIT); 157 gpio_request(FPGA_DONE, "FPGA_DONE"); 158 gpio_direction_input(FPGA_DONE); 159 160 /* Be sure that signal are deasserted */ 161 gpio_set_value(FPGA_RESET, 1); 162 gpio_set_value(FPGA_PROG, 1); 163 164 return 0; 165 } 166 167 int fpga_post_config_fn(int cookie) 168 { 169 debug("%s:%d: FPGA post-configuration\n", __func__, __LINE__); 170 171 fpga_reset(true); 172 udelay(100); 173 fpga_reset(false); 174 175 return 0; 176 } 177 178 /* Write program to the FPGA */ 179 int fpga_wr_fn(int nassert_write, int flush, int cookie) 180 { 181 gpio_set_value(FPGA_DIN, nassert_write); 182 183 return nassert_write; 184 } 185 186 int fpga_clk_fn(int assert_clk, int flush, int cookie) 187 { 188 gpio_set_value(FPGA_CCLK, assert_clk); 189 190 return assert_clk; 191 } 192 193 xilinx_spartan3_slave_serial_fns mt_ventoux_fpga_fns = { 194 fpga_pre_config_fn, 195 fpga_pgm_fn, 196 fpga_clk_fn, 197 fpga_init_fn, 198 fpga_done_fn, 199 fpga_wr_fn, 200 fpga_post_config_fn, 201 }; 202 203 xilinx_desc fpga = XILINX_XC6SLX4_DESC(slave_serial, 204 (void *)&mt_ventoux_fpga_fns, 0); 205 206 /* Initialize the FPGA */ 207 static void mt_ventoux_init_fpga(void) 208 { 209 fpga_pre_config_fn(0); 210 211 /* Setting CS1 for FPGA access */ 212 enable_gpmc_cs_config(gpmc_fpga, &gpmc_cfg->cs[1], 213 FPGA_BASE_ADDR, GPMC_SIZE_128M); 214 215 fpga_init(); 216 fpga_add(fpga_xilinx, &fpga); 217 } 218 219 /* 220 * Routine: board_init 221 * Description: Early hardware init. 222 */ 223 int board_init(void) 224 { 225 gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ 226 227 /* boot param addr */ 228 gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); 229 230 mt_ventoux_init_fpga(); 231 232 /* GPIO_140: speaker #mute */ 233 MUX_VAL(CP(MCBSP3_DX), (IEN | PTU | EN | M4)) 234 /* GPIO_141: Buzz Hi */ 235 MUX_VAL(CP(MCBSP3_DR), (IEN | PTU | EN | M4)) 236 237 /* Turning off the buzzer */ 238 gpio_request(BUZZER, "BUZZER_MUTE"); 239 gpio_request(SPEAKER, "SPEAKER"); 240 gpio_direction_output(BUZZER, 0); 241 gpio_direction_output(SPEAKER, 0); 242 243 /* Activate USB power */ 244 gpio_request(USB1_PWR, "USB1_PWR"); 245 gpio_request(USB2_PWR, "USB2_PWR"); 246 gpio_direction_output(USB1_PWR, 1); 247 gpio_direction_output(USB2_PWR, 1); 248 249 return 0; 250 } 251 252 #ifndef CONFIG_SPL_BUILD 253 int misc_init_r(void) 254 { 255 char *eth_addr; 256 struct tam3517_module_info info; 257 int ret; 258 259 TAM3517_READ_EEPROM(&info, ret); 260 omap_die_id_display(); 261 262 if (ret) 263 return 0; 264 eth_addr = env_get("ethaddr"); 265 if (!eth_addr) 266 TAM3517_READ_MAC_FROM_EEPROM(&info); 267 268 TAM3517_PRINT_SOM_INFO(&info); 269 return 0; 270 } 271 #endif 272 273 /* 274 * Routine: set_muxconf_regs 275 * Description: Setting up the configuration Mux registers specific to the 276 * hardware. Many pins need to be moved from protect to primary 277 * mode. 278 */ 279 void set_muxconf_regs(void) 280 { 281 MUX_MT_VENTOUX(); 282 } 283 284 /* 285 * Initializes on-chip ethernet controllers. 286 * to override, implement board_eth_init() 287 */ 288 int board_eth_init(bd_t *bis) 289 { 290 davinci_emac_initialize(); 291 return 0; 292 } 293 294 #if defined(CONFIG_MMC_OMAP_HS) && \ 295 !defined(CONFIG_SPL_BUILD) 296 int board_mmc_init(bd_t *bis) 297 { 298 return omap_mmc_init(0, 0, 0, -1, -1); 299 } 300 #endif 301 302 #if defined(CONFIG_VIDEO) && !defined(CONFIG_SPL_BUILD) 303 int board_video_init(void) 304 { 305 struct prcm *prcm_base = (struct prcm *)PRCM_BASE; 306 struct panel_config *panel = &lcd_cfg[0]; 307 char *s; 308 u32 index = 0; 309 310 void *fb; 311 312 fb = (void *)0x88000000; 313 314 s = env_get("panel"); 315 if (s) { 316 index = simple_strtoul(s, NULL, 10); 317 if (index < ARRAY_SIZE(lcd_cfg)) 318 panel = &lcd_cfg[index]; 319 else 320 return 0; 321 } 322 323 panel->frame_buffer = fb; 324 printf("Panel: %dx%d\n", panel_resolution[index].xres, 325 panel_resolution[index].yres); 326 panel->lcd_size = (panel_resolution[index].yres - 1) << 16 | 327 (panel_resolution[index].xres - 1); 328 329 gpio_request(LCD_PWR, "LCD Power"); 330 gpio_request(LCD_PON_PIN, "LCD Pon"); 331 gpio_direction_output(LCD_PWR, 0); 332 gpio_direction_output(LCD_PON_PIN, 1); 333 334 335 setbits_le32(&prcm_base->fclken_dss, FCK_DSS_ON); 336 setbits_le32(&prcm_base->iclken_dss, ICK_DSS_ON); 337 338 omap3_dss_panel_config(panel); 339 omap3_dss_enable(); 340 341 return 0; 342 } 343 #endif 344