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>
37 #ifdef CONFIG_TEGRA_MMC
38 #include <asm/arch-tegra/tegra_mmc.h>
39 #include <asm/arch-tegra/mmc.h>
45 DECLARE_GLOBAL_DATA_PTR;
47 const struct tegra_sysinfo sysinfo = {
48 CONFIG_TEGRA_BOARD_STRING
51 #ifndef CONFIG_SPL_BUILD
54 * Description: init the timestamp and lastinc value
62 void __pin_mux_usb(void)
66 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
68 void __pin_mux_spi(void)
72 void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
74 void __gpio_early_init_uart(void)
78 void gpio_early_init_uart(void)
79 __attribute__((weak, alias("__gpio_early_init_uart")));
81 void __pin_mux_nand(void)
83 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
86 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
88 void __pin_mux_display(void)
92 void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
95 * Routine: power_det_init
96 * Description: turn off power detects
98 static void power_det_init(void)
100 #if defined(CONFIG_TEGRA20)
101 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
103 /* turn off power detects */
104 writel(0, &pmc->pmc_pwr_det_latch);
105 writel(0, &pmc->pmc_pwr_det);
110 * Routine: board_init
111 * Description: Early hardware init.
115 __maybe_unused int err;
117 /* Do clocks and UART first so that printf() works */
121 #ifdef CONFIG_FDT_SPI
126 #ifdef CONFIG_PWM_TEGRA
127 if (pwm_init(gd->fdt_blob))
128 debug("%s: Failed to init pwm\n", __func__);
132 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
134 /* boot param addr */
135 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
139 #ifdef CONFIG_SYS_I2C_TEGRA
140 #ifndef CONFIG_SYS_I2C_INIT_BOARD
141 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
144 # ifdef CONFIG_TEGRA_PMU
145 if (pmu_set_nominal())
146 debug("Failed to select nominal voltages\n");
147 # ifdef CONFIG_TEGRA_CLOCK_SCALING
148 err = board_emc_init();
150 debug("Memory controller init failed: %d\n", err);
152 # endif /* CONFIG_TEGRA_PMU */
153 #endif /* CONFIG_SYS_I2C_TEGRA */
155 #ifdef CONFIG_USB_EHCI_TEGRA
157 usb_process_devicetree(gd->fdt_blob);
161 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
164 #ifdef CONFIG_TEGRA_NAND
168 #ifdef CONFIG_TEGRA_LP0
169 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
170 warmboot_save_sdram_params();
172 /* prepare the WB code to LP0 location */
173 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
179 #ifdef CONFIG_BOARD_EARLY_INIT_F
180 static void __gpio_early_init(void)
184 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
186 int board_early_init_f(void)
188 #if !defined(CONFIG_TEGRA20)
193 /* Initialize periph GPIOs */
195 gpio_early_init_uart();
197 tegra_lcd_early_init(gd->fdt_blob);
202 #endif /* EARLY_INIT */
204 int board_late_init(void)
207 /* Make sure we finish initing the LCD */
208 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
213 #if defined(CONFIG_TEGRA_MMC)
214 void __pin_mux_mmc(void)
218 void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
220 /* this is a weak define that we are overriding */
221 int board_mmc_init(bd_t *bd)
223 debug("%s called\n", __func__);
225 /* Enable muxes, etc. for SDMMC controllers */
228 debug("%s: init MMC\n", __func__);
234 void pad_init_mmc(struct mmc_host *host)
236 #if defined(CONFIG_TEGRA30)
237 enum periph_id id = host->mmc_id;
240 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
241 (unsigned int)host->reg, id);
243 /* Set the pad drive strength for SDMMC1 or 3 only */
244 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
245 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
250 val = readl(&host->reg->sdmemcmppadctl);
252 val |= MEMCOMP_PADCTRL_VREF;
253 writel(val, &host->reg->sdmemcmppadctl);
255 val = readl(&host->reg->autocalcfg);
257 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
258 writel(val, &host->reg->autocalcfg);