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>
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 __weak void pinmux_init(void) {}
51 __weak void pin_mux_usb(void) {}
52 __weak void pin_mux_spi(void) {}
53 __weak void gpio_early_init_uart(void) {}
54 __weak void pin_mux_display(void) {}
56 #if defined(CONFIG_TEGRA_NAND)
57 __weak void pin_mux_nand(void)
59 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
64 * Routine: power_det_init
65 * Description: turn off power detects
67 static void power_det_init(void)
69 #if defined(CONFIG_TEGRA20)
70 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
72 /* turn off power detects */
73 writel(0, &pmc->pmc_pwr_det_latch);
74 writel(0, &pmc->pmc_pwr_det);
80 * Description: Early hardware init.
84 __maybe_unused int err;
86 /* Do clocks and UART first so that printf() works */
90 #ifdef CONFIG_TEGRA_SPI
94 #ifdef CONFIG_PWM_TEGRA
95 if (pwm_init(gd->fdt_blob))
96 debug("%s: Failed to init pwm\n", __func__);
100 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
102 /* boot param addr */
103 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
107 #ifdef CONFIG_SYS_I2C_TEGRA
108 #ifndef CONFIG_SYS_I2C_INIT_BOARD
109 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
112 # ifdef CONFIG_TEGRA_PMU
113 if (pmu_set_nominal())
114 debug("Failed to select nominal voltages\n");
115 # ifdef CONFIG_TEGRA_CLOCK_SCALING
116 err = board_emc_init();
118 debug("Memory controller init failed: %d\n", err);
120 # endif /* CONFIG_TEGRA_PMU */
121 #endif /* CONFIG_SYS_I2C_TEGRA */
123 #ifdef CONFIG_USB_EHCI_TEGRA
125 usb_process_devicetree(gd->fdt_blob);
129 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
132 #ifdef CONFIG_TEGRA_NAND
136 #ifdef CONFIG_TEGRA_LP0
137 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
138 warmboot_save_sdram_params();
140 /* prepare the WB code to LP0 location */
141 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
147 #ifdef CONFIG_BOARD_EARLY_INIT_F
148 static void __gpio_early_init(void)
152 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
154 int board_early_init_f(void)
159 /* Initialize periph GPIOs */
161 gpio_early_init_uart();
163 tegra_lcd_early_init(gd->fdt_blob);
168 #endif /* EARLY_INIT */
170 int board_late_init(void)
173 /* Make sure we finish initing the LCD */
174 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
179 #if defined(CONFIG_TEGRA_MMC)
180 __weak void pin_mux_mmc(void)
184 /* this is a weak define that we are overriding */
185 int board_mmc_init(bd_t *bd)
187 debug("%s called\n", __func__);
189 /* Enable muxes, etc. for SDMMC controllers */
192 debug("%s: init MMC\n", __func__);
198 void pad_init_mmc(struct mmc_host *host)
200 #if defined(CONFIG_TEGRA30)
201 enum periph_id id = host->mmc_id;
204 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
205 (unsigned int)host->reg, id);
207 /* Set the pad drive strength for SDMMC1 or 3 only */
208 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
209 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
214 val = readl(&host->reg->sdmemcmppadctl);
216 val |= MEMCOMP_PADCTRL_VREF;
217 writel(val, &host->reg->sdmemcmppadctl);
219 val = readl(&host->reg->autocalcfg);
221 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
222 writel(val, &host->reg->autocalcfg);