2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
26 #include <linux/compiler.h>
28 #include <asm/arch/clock.h>
30 #include <asm/arch/display.h>
32 #include <asm/arch/funcmux.h>
33 #include <asm/arch/pinmux.h>
34 #include <asm/arch/pmu.h>
35 #ifdef CONFIG_PWM_TEGRA
36 #include <asm/arch/pwm.h>
38 #include <asm/arch/tegra.h>
39 #include <asm/arch-tegra/board.h>
40 #include <asm/arch-tegra/clk_rst.h>
41 #include <asm/arch-tegra/pmc.h>
42 #include <asm/arch-tegra/sys_proto.h>
43 #include <asm/arch-tegra/uart.h>
44 #include <asm/arch-tegra/warmboot.h>
45 #ifdef CONFIG_TEGRA_CLOCK_SCALING
46 #include <asm/arch/emc.h>
48 #ifdef CONFIG_USB_EHCI_TEGRA
49 #include <asm/arch-tegra/usb.h>
51 #ifdef CONFIG_TEGRA_MMC
52 #include <asm/arch-tegra/tegra_mmc.h>
53 #include <asm/arch-tegra/mmc.h>
59 DECLARE_GLOBAL_DATA_PTR;
61 const struct tegra_sysinfo sysinfo = {
62 CONFIG_TEGRA_BOARD_STRING
65 #ifndef CONFIG_SPL_BUILD
68 * Description: init the timestamp and lastinc value
76 void __pin_mux_usb(void)
80 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
82 void __pin_mux_spi(void)
86 void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
88 void __gpio_early_init_uart(void)
92 void gpio_early_init_uart(void)
93 __attribute__((weak, alias("__gpio_early_init_uart")));
95 void __pin_mux_nand(void)
97 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
100 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
102 void __pin_mux_display(void)
106 void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
109 * Routine: power_det_init
110 * Description: turn off power detects
112 static void power_det_init(void)
114 #if defined(CONFIG_TEGRA20)
115 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
117 /* turn off power detects */
118 writel(0, &pmc->pmc_pwr_det_latch);
119 writel(0, &pmc->pmc_pwr_det);
124 * Routine: board_init
125 * Description: Early hardware init.
129 __maybe_unused int err;
131 /* Do clocks and UART first so that printf() works */
135 #ifdef CONFIG_FDT_SPI
140 #ifdef CONFIG_PWM_TEGRA
141 if (pwm_init(gd->fdt_blob))
142 debug("%s: Failed to init pwm\n", __func__);
146 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
148 /* boot param addr */
149 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
153 #ifdef CONFIG_TEGRA_I2C
154 #ifndef CONFIG_SYS_I2C_INIT_BOARD
155 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
158 # ifdef CONFIG_TEGRA_PMU
159 if (pmu_set_nominal())
160 debug("Failed to select nominal voltages\n");
161 # ifdef CONFIG_TEGRA_CLOCK_SCALING
162 err = board_emc_init();
164 debug("Memory controller init failed: %d\n", err);
166 # endif /* CONFIG_TEGRA_PMU */
167 #endif /* CONFIG_TEGRA_I2C */
169 #ifdef CONFIG_USB_EHCI_TEGRA
171 board_usb_init(gd->fdt_blob);
174 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
177 #ifdef CONFIG_TEGRA_NAND
181 #ifdef CONFIG_TEGRA_LP0
182 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
183 warmboot_save_sdram_params();
185 /* prepare the WB code to LP0 location */
186 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
192 #ifdef CONFIG_BOARD_EARLY_INIT_F
193 static void __gpio_early_init(void)
197 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
199 int board_early_init_f(void)
201 #if !defined(CONFIG_TEGRA20)
206 /* Initialize periph GPIOs */
208 gpio_early_init_uart();
210 tegra_lcd_early_init(gd->fdt_blob);
215 #endif /* EARLY_INIT */
217 int board_late_init(void)
220 /* Make sure we finish initing the LCD */
221 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
226 #if defined(CONFIG_TEGRA_MMC)
227 void __pin_mux_mmc(void)
231 void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
233 /* this is a weak define that we are overriding */
234 int board_mmc_init(bd_t *bd)
236 debug("%s called\n", __func__);
238 /* Enable muxes, etc. for SDMMC controllers */
241 debug("%s: init MMC\n", __func__);
247 void pad_init_mmc(struct mmc_host *host)
249 #if defined(CONFIG_TEGRA30)
250 enum periph_id id = host->mmc_id;
253 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
254 (unsigned int)host->reg, id);
256 /* Set the pad drive strength for SDMMC1 or 3 only */
257 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
258 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
263 val = readl(&host->reg->sdmemcmppadctl);
265 val |= MEMCOMP_PADCTRL_VREF;
266 writel(val, &host->reg->sdmemcmppadctl);
268 val = readl(&host->reg->autocalcfg);
270 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
271 writel(val, &host->reg->autocalcfg);