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