2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <linux/compiler.h>
12 #include <asm/arch/clock.h>
14 #include <asm/arch/display.h>
16 #include <asm/arch/funcmux.h>
17 #include <asm/arch/pinmux.h>
18 #include <asm/arch/pmu.h>
19 #ifdef CONFIG_PWM_TEGRA
20 #include <asm/arch/pwm.h>
22 #include <asm/arch/tegra.h>
23 #include <asm/arch-tegra/board.h>
24 #include <asm/arch-tegra/clk_rst.h>
25 #include <asm/arch-tegra/pmc.h>
26 #include <asm/arch-tegra/sys_proto.h>
27 #include <asm/arch-tegra/uart.h>
28 #include <asm/arch-tegra/warmboot.h>
29 #ifdef CONFIG_TEGRA_CLOCK_SCALING
30 #include <asm/arch/emc.h>
32 #ifdef CONFIG_USB_EHCI_TEGRA
33 #include <asm/arch-tegra/usb.h>
34 #include <asm/arch/usb.h>
36 #ifdef CONFIG_TEGRA_MMC
37 #include <asm/arch-tegra/tegra_mmc.h>
38 #include <asm/arch-tegra/mmc.h>
44 DECLARE_GLOBAL_DATA_PTR;
46 const struct tegra_sysinfo sysinfo = {
47 CONFIG_TEGRA_BOARD_STRING
50 #ifndef CONFIG_SPL_BUILD
53 * Description: init the timestamp and lastinc value
61 void __pin_mux_usb(void)
65 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
67 void __pin_mux_spi(void)
71 void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
73 void __gpio_early_init_uart(void)
77 void gpio_early_init_uart(void)
78 __attribute__((weak, alias("__gpio_early_init_uart")));
80 void __pin_mux_nand(void)
82 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
85 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
87 void __pin_mux_display(void)
91 void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
94 * Routine: power_det_init
95 * Description: turn off power detects
97 static void power_det_init(void)
99 #if defined(CONFIG_TEGRA20)
100 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
102 /* turn off power detects */
103 writel(0, &pmc->pmc_pwr_det_latch);
104 writel(0, &pmc->pmc_pwr_det);
109 * Routine: board_init
110 * Description: Early hardware init.
114 __maybe_unused int err;
116 /* Do clocks and UART first so that printf() works */
120 #ifdef CONFIG_FDT_SPI
125 #ifdef CONFIG_PWM_TEGRA
126 if (pwm_init(gd->fdt_blob))
127 debug("%s: Failed to init pwm\n", __func__);
131 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
133 /* boot param addr */
134 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
138 #ifdef CONFIG_SYS_I2C_TEGRA
139 #ifndef CONFIG_SYS_I2C_INIT_BOARD
140 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
143 # ifdef CONFIG_TEGRA_PMU
144 if (pmu_set_nominal())
145 debug("Failed to select nominal voltages\n");
146 # ifdef CONFIG_TEGRA_CLOCK_SCALING
147 err = board_emc_init();
149 debug("Memory controller init failed: %d\n", err);
151 # endif /* CONFIG_TEGRA_PMU */
152 #endif /* CONFIG_SYS_I2C_TEGRA */
154 #ifdef CONFIG_USB_EHCI_TEGRA
156 board_usb_init(gd->fdt_blob);
159 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
162 #ifdef CONFIG_TEGRA_NAND
166 #ifdef CONFIG_TEGRA_LP0
167 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
168 warmboot_save_sdram_params();
170 /* prepare the WB code to LP0 location */
171 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
177 #ifdef CONFIG_BOARD_EARLY_INIT_F
178 static void __gpio_early_init(void)
182 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
184 int board_early_init_f(void)
186 #if !defined(CONFIG_TEGRA20)
191 /* Initialize periph GPIOs */
193 gpio_early_init_uart();
195 tegra_lcd_early_init(gd->fdt_blob);
200 #endif /* EARLY_INIT */
202 int board_late_init(void)
205 /* Make sure we finish initing the LCD */
206 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
211 #if defined(CONFIG_TEGRA_MMC)
212 void __pin_mux_mmc(void)
216 void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
218 /* this is a weak define that we are overriding */
219 int board_mmc_init(bd_t *bd)
221 debug("%s called\n", __func__);
223 /* Enable muxes, etc. for SDMMC controllers */
226 debug("%s: init MMC\n", __func__);
232 void pad_init_mmc(struct mmc_host *host)
234 #if defined(CONFIG_TEGRA30)
235 enum periph_id id = host->mmc_id;
238 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
239 (unsigned int)host->reg, id);
241 /* Set the pad drive strength for SDMMC1 or 3 only */
242 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
243 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
248 val = readl(&host->reg->sdmemcmppadctl);
250 val |= MEMCOMP_PADCTRL_VREF;
251 writel(val, &host->reg->sdmemcmppadctl);
253 val = readl(&host->reg->autocalcfg);
255 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
256 writel(val, &host->reg->autocalcfg);