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>
50 #include <asm/arch/usb.h>
52 #ifdef CONFIG_TEGRA_MMC
53 #include <asm/arch-tegra/tegra_mmc.h>
54 #include <asm/arch-tegra/mmc.h>
60 DECLARE_GLOBAL_DATA_PTR;
62 const struct tegra_sysinfo sysinfo = {
63 CONFIG_TEGRA_BOARD_STRING
66 #ifndef CONFIG_SPL_BUILD
69 * Description: init the timestamp and lastinc value
77 void __pin_mux_usb(void)
81 void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
83 void __pin_mux_spi(void)
87 void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
89 void __gpio_early_init_uart(void)
93 void gpio_early_init_uart(void)
94 __attribute__((weak, alias("__gpio_early_init_uart")));
96 void __pin_mux_nand(void)
98 funcmux_select(PERIPH_ID_NDFLASH, FUNCMUX_DEFAULT);
101 void pin_mux_nand(void) __attribute__((weak, alias("__pin_mux_nand")));
103 void __pin_mux_display(void)
107 void pin_mux_display(void) __attribute__((weak, alias("__pin_mux_display")));
110 * Routine: power_det_init
111 * Description: turn off power detects
113 static void power_det_init(void)
115 #if defined(CONFIG_TEGRA20)
116 struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
118 /* turn off power detects */
119 writel(0, &pmc->pmc_pwr_det_latch);
120 writel(0, &pmc->pmc_pwr_det);
125 * Routine: board_init
126 * Description: Early hardware init.
130 __maybe_unused int err;
132 /* Do clocks and UART first so that printf() works */
136 #ifdef CONFIG_FDT_SPI
141 #ifdef CONFIG_PWM_TEGRA
142 if (pwm_init(gd->fdt_blob))
143 debug("%s: Failed to init pwm\n", __func__);
147 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
149 /* boot param addr */
150 gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
154 #ifdef CONFIG_TEGRA_I2C
155 #ifndef CONFIG_SYS_I2C_INIT_BOARD
156 #error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
159 # ifdef CONFIG_TEGRA_PMU
160 if (pmu_set_nominal())
161 debug("Failed to select nominal voltages\n");
162 # ifdef CONFIG_TEGRA_CLOCK_SCALING
163 err = board_emc_init();
165 debug("Memory controller init failed: %d\n", err);
167 # endif /* CONFIG_TEGRA_PMU */
168 #endif /* CONFIG_TEGRA_I2C */
170 #ifdef CONFIG_USB_EHCI_TEGRA
172 board_usb_init(gd->fdt_blob);
175 tegra_lcd_check_next_stage(gd->fdt_blob, 0);
178 #ifdef CONFIG_TEGRA_NAND
182 #ifdef CONFIG_TEGRA_LP0
183 /* save Sdram params to PMC 2, 4, and 24 for WB0 */
184 warmboot_save_sdram_params();
186 /* prepare the WB code to LP0 location */
187 warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
193 #ifdef CONFIG_BOARD_EARLY_INIT_F
194 static void __gpio_early_init(void)
198 void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
200 int board_early_init_f(void)
202 #if !defined(CONFIG_TEGRA20)
207 /* Initialize periph GPIOs */
209 gpio_early_init_uart();
211 tegra_lcd_early_init(gd->fdt_blob);
216 #endif /* EARLY_INIT */
218 int board_late_init(void)
221 /* Make sure we finish initing the LCD */
222 tegra_lcd_check_next_stage(gd->fdt_blob, 1);
227 #if defined(CONFIG_TEGRA_MMC)
228 void __pin_mux_mmc(void)
232 void pin_mux_mmc(void) __attribute__((weak, alias("__pin_mux_mmc")));
234 /* this is a weak define that we are overriding */
235 int board_mmc_init(bd_t *bd)
237 debug("%s called\n", __func__);
239 /* Enable muxes, etc. for SDMMC controllers */
242 debug("%s: init MMC\n", __func__);
248 void pad_init_mmc(struct mmc_host *host)
250 #if defined(CONFIG_TEGRA30)
251 enum periph_id id = host->mmc_id;
254 debug("%s: sdmmc address = %08x, id = %d\n", __func__,
255 (unsigned int)host->reg, id);
257 /* Set the pad drive strength for SDMMC1 or 3 only */
258 if (id != PERIPH_ID_SDMMC1 && id != PERIPH_ID_SDMMC3) {
259 debug("%s: settings are only valid for SDMMC1/SDMMC3!\n",
264 val = readl(&host->reg->sdmemcmppadctl);
266 val |= MEMCOMP_PADCTRL_VREF;
267 writel(val, &host->reg->sdmemcmppadctl);
269 val = readl(&host->reg->autocalcfg);
271 val |= AUTO_CAL_PU_OFFSET | AUTO_CAL_PD_OFFSET | AUTO_CAL_ENABLED;
272 writel(val, &host->reg->autocalcfg);