diff options
Diffstat (limited to 'board/siemens/rut/board.c')
-rw-r--r-- | board/siemens/rut/board.c | 56 |
1 files changed, 45 insertions, 11 deletions
diff --git a/board/siemens/rut/board.c b/board/siemens/rut/board.c index 5de8fc6cbf0..77592dbba88 100644 --- a/board/siemens/rut/board.c +++ b/board/siemens/rut/board.c @@ -63,19 +63,14 @@ struct ddr_data rut_ddr3_data = { .datawdsratio0 = 0x85, .datafwsratio0 = 0x100, .datawrsratio0 = 0xc1, - .datauserank0delay = 1, - .datadldiff0 = PHY_DLL_LOCK_DIFF, }; struct cmd_control rut_ddr3_cmd_ctrl_data = { .cmd0csratio = 0x40, - .cmd0dldiff = 0, .cmd0iclkout = 1, .cmd1csratio = 0x40, - .cmd1dldiff = 0, .cmd1iclkout = 1, .cmd2csratio = 0x40, - .cmd2dldiff = 0, .cmd2iclkout = 1, }; @@ -83,9 +78,48 @@ struct cmd_control rut_ddr3_cmd_ctrl_data = { &rut_ddr3_cmd_ctrl_data, &rut_ddr3_emif_reg_data, 0); } +static int request_and_pulse_reset(int gpio, const char *name) +{ + int ret; + const int delay_us = 2000; /* 2ms */ + + ret = gpio_request(gpio, name); + if (ret < 0) { + printf("%s: Unable to request %s\n", __func__, name); + goto err; + } + + ret = gpio_direction_output(gpio, 0); + if (ret < 0) { + printf("%s: Unable to set %s as output\n", __func__, name); + goto err_free_gpio; + } + + udelay(delay_us); + + gpio_set_value(gpio, 1); + + return 0; + +err_free_gpio: + gpio_free(gpio); +err: + return ret; +} + +#define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio)) +#define ETH_PHY_RESET_GPIO GPIO_TO_PIN(2, 18) +#define MAXTOUCH_RESET_GPIO GPIO_TO_PIN(3, 18) +#define DISPLAY_RESET_GPIO GPIO_TO_PIN(3, 19) + +#define REQUEST_AND_PULSE_RESET(N) \ + request_and_pulse_reset(N, #N); + static void spl_siemens_board_init(void) { - return; + REQUEST_AND_PULSE_RESET(ETH_PHY_RESET_GPIO); + REQUEST_AND_PULSE_RESET(MAXTOUCH_RESET_GPIO); + REQUEST_AND_PULSE_RESET(DISPLAY_RESET_GPIO); } #endif /* if def CONFIG_SPL_BUILD */ @@ -336,7 +370,6 @@ int clk_get(int clk) static int conf_disp_pll(int m, int n) { struct cm_perpll *cmper = (struct cm_perpll *)CM_PER; - struct cm_dpll *cmdpll = (struct cm_dpll *)CM_DPLL; struct dpll_params dpll_lcd = {m, n, -1, -1, -1, -1, -1}; #if defined(DISPL_PLL_SPREAD_SPECTRUM) struct cm_wkuppll *cmwkup = (struct cm_wkuppll *)CM_WKUP; @@ -353,8 +386,6 @@ static int conf_disp_pll(int m, int n) 0 }; do_enable_clocks(clk_domains, clk_modules_explicit_en, 1); - /* 0x44e0_0500 write lcdc pixel clock mux Linux hat hier 0 */ - writel(0x0, &cmdpll->clklcdcpixelclk); do_setup_dpll(&dpll_lcd_regs, &dpll_lcd); @@ -380,10 +411,13 @@ static int enable_lcd(void) { unsigned char buf[1]; + set_gpio(BOARD_LCD_RESET, 0); + mdelay(1); set_gpio(BOARD_LCD_RESET, 1); + mdelay(1); /* spi lcd init */ - kwh043st20_f01_spi_startup(1, 0, 5000000, SPI_MODE_3); + kwh043st20_f01_spi_startup(1, 0, 5000000, SPI_MODE_0); /* backlight on */ buf[0] = 0xf; @@ -418,7 +452,7 @@ static int board_video_init(void) printf("%s: %s not found, using default %s\n", __func__, factory_dat.disp_name, lcd_panels[i].name); } - conf_disp_pll(25, 2); + conf_disp_pll(24, 1); da8xx_video_init(&lcd_panels[display], &lcd_cfgs[display], lcd_cfgs[display].bpp); |