| 1 | /* |
| 2 | * Authors: Xiangfu Liu <xiangfu.z@gmail.com> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 3 of the License, or (at your option) any later version. |
| 8 | */ |
| 9 | |
| 10 | #include <common.h> |
| 11 | #include <command.h> |
| 12 | #include <asm/mipsregs.h> |
| 13 | #include <asm/jz4740.h> |
| 14 | |
| 15 | DECLARE_GLOBAL_DATA_PTR; |
| 16 | |
| 17 | static void gpio_init(void) |
| 18 | { |
| 19 | /* |
| 20 | * Initialize NAND Flash Pins |
| 21 | */ |
| 22 | __gpio_as_nand(); |
| 23 | |
| 24 | /* |
| 25 | * Initialize SDRAM pins |
| 26 | */ |
| 27 | __gpio_as_sdram_16bit_4725(); |
| 28 | |
| 29 | /* |
| 30 | * Initialize UART0 pins |
| 31 | */ |
| 32 | __gpio_as_uart0(); |
| 33 | |
| 34 | /* |
| 35 | * Initialize LCD pins |
| 36 | */ |
| 37 | __gpio_as_lcd_18bit(); |
| 38 | |
| 39 | /* |
| 40 | * Initialize MSC pins |
| 41 | */ |
| 42 | __gpio_as_msc(); |
| 43 | |
| 44 | /* |
| 45 | * Initialize SSI pins |
| 46 | */ |
| 47 | __gpio_as_ssi(); |
| 48 | |
| 49 | /* |
| 50 | * Initialize I2C pins |
| 51 | */ |
| 52 | __gpio_as_i2c(); |
| 53 | |
| 54 | /* |
| 55 | * Initialize MSC pins |
| 56 | */ |
| 57 | __gpio_as_msc(); |
| 58 | |
| 59 | /* |
| 60 | * Initialize Other pins |
| 61 | */ |
| 62 | __gpio_as_input(GPIO_SD_DETECT); |
| 63 | __gpio_disable_pull(GPIO_SD_DETECT); |
| 64 | } |
| 65 | /* TODO SAKC |
| 66 | static void cpm_init(void) |
| 67 | { |
| 68 | __cpm_stop_ipu(); |
| 69 | __cpm_stop_cim(); |
| 70 | __cpm_stop_i2c(); |
| 71 | __cpm_stop_ssi(); |
| 72 | __cpm_stop_uart1(); |
| 73 | __cpm_stop_sadc(); |
| 74 | __cpm_stop_uhc(); |
| 75 | __cpm_stop_aic1(); |
| 76 | __cpm_stop_aic2(); |
| 77 | }*/ |
| 78 | |
| 79 | void board_early_init(void) |
| 80 | { |
| 81 | gpio_init(); |
| 82 | //cpm_init(); //TODO SAKC |
| 83 | } |
| 84 | |
| 85 | /* U-Boot common routines */ |
| 86 | |
| 87 | int checkboard (void) |
| 88 | { |
| 89 | |
| 90 | printf("Board: SAKC (Ingenic XBurst Jz4725 SoC, Speed %d MHz)\n", |
| 91 | gd->cpu_clk/1000000); |
| 92 | |
| 93 | return 0; /* success */ |
| 94 | } |
| 95 | |