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 void __pin_mux_usb(void)
55 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
57 void __pin_mux_spi(void)
61 void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
63 void __gpio_early_init_uart(void)
67 void gpio_early_init_uart(void)
68 __attribute__((weak, alias("__gpio_early_init_uart")));
70 #if defined(CONFIG_TEGRA_NAND)
71 void __pin_mux_nand(void)
73 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
76 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
79 void __pin_mux_display(void)
83 void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
86 * Routine: power_det_init
87 * Description: turn off power detects
89 static void power_det_init(void)
91 #if defined(CONFIG_TEGRA20)
92 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
94 /* turn off power detects */
95 writel(0, &pmc->pmc_pwr_det_latch);
96 writel(0, &pmc->pmc_pwr_det);
101 * Routine: board_init
102 * Description: Early hardware init.
106 __maybe_unused int err;
108 /* Do clocks and UART first so that printf() works */
112 #ifdef CONFIG_FDT_SPI
117 #ifdef CONFIG_PWM_TEGRA
118 if (pwm_init(gd->fdt_blob))
119 debug("%s: Failed to init pwm\n", __func__);
123 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
125 /* boot param addr */
126 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
130 #ifdef CONFIG_SYS_I2C_TEGRA
131 #ifndef CONFIG_SYS_I2C_INIT_BOARD
132 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
135 # ifdef CONFIG_TEGRA_PMU
136 if (pmu_set_nominal())
137 debug("Failed to select nominal voltages\n");
138 # ifdef CONFIG_TEGRA_CLOCK_SCALING
139 err = board_emc_init();
141 debug("Memory controller init failed: %d\n", err);
143 # endif /* CONFIG_TEGRA_PMU */
144 #endif /* CONFIG_SYS_I2C_TEGRA */
146 #ifdef CONFIG_USB_EHCI_TEGRA
148 usb_process_devicetree(gd->fdt_blob);
152 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
155 #ifdef CONFIG_TEGRA_NAND
159 #ifdef CONFIG_TEGRA_LP0
160 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
161 warmboot_save_sdram_params();
163 /* prepare the WB code to LP0 location */
164 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
170 #ifdef CONFIG_BOARD_EARLY_INIT_F
171 static void __gpio_early_init(void)
175 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
177 int board_early_init_f(void)
179 #if !defined(CONFIG_TEGRA20)
184 /* Initialize periph GPIOs */
186 gpio_early_init_uart();
188 tegra_lcd_early_init(gd->fdt_blob);
193 #endif /* EARLY_INIT */
195 int board_late_init(void)
198 /* Make sure we finish initing the LCD */
199 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
204 #if defined(CONFIG_TEGRA_MMC)
205 void __pin_mux_mmc(void)
209 void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
211 /* this is a weak define that we are overriding */
212 int board_mmc_init(bd_t *bd)
214 debug("%s called\n", __func__);
216 /* Enable muxes, etc. for SDMMC controllers */
219 debug("%s: init MMC\n", __func__);
225 void pad_init_mmc(struct mmc_host *host)
227 #if defined(CONFIG_TEGRA30)
228 enum periph_id id = host->mmc_id;
231 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
232 (unsigned int)host->reg, id);
234 /* Set the pad drive strength for SDMMC1 or 3 only */
235 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
236 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
241 val = readl(&host->reg->sdmemcmppadctl);
243 val |= MEMCOMP_PADCTRL_VREF;
244 writel(val, &host->reg->sdmemcmppadctl);
246 val = readl(&host->reg->autocalcfg);
248 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
249 writel(val, &host->reg->autocalcfg);