#include <common.h>
#include <ns16550.h>
+#include <linux/compiler.h>
#include <asm/io.h>
-#include <asm/arch/tegra2.h>
+#include <asm/arch/tegra20.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/board.h>
#include <asm/arch/clk_rst.h>
#include <asm/arch/clock.h>
+#include <asm/arch/emc.h>
#include <asm/arch/pinmux.h>
+#include <asm/arch/pmc.h>
+#include <asm/arch/pmu.h>
#include <asm/arch/uart.h>
+#include <asm/arch/warmboot.h>
+#include <spi.h>
+#include <asm/arch/usb.h>
+#include <i2c.h>
#include "board.h"
-
-#ifdef CONFIG_TEGRA2_MMC
-#include <mmc.h>
-#endif
+#include "emc.h"
DECLARE_GLOBAL_DATA_PTR;
-const struct tegra2_sysinfo sysinfo = {
- CONFIG_TEGRA2_BOARD_STRING
+const struct tegra_sysinfo sysinfo = {
+ CONFIG_TEGRA_BOARD_STRING
};
+#ifndef CONFIG_SPL_BUILD
/*
* Routine: timer_init
* Description: init the timestamp and lastinc value
{
return 0;
}
+#endif
-static void enable_uart(enum periph_id pid)
+void __pin_mux_usb(void)
{
- /* Assert UART reset and enable clock */
- reset_set_enable(pid, 1);
- clock_enable(pid);
- clock_ll_set_source(pid, 0); /* UARTx_CLK_SRC = 00, PLLP_OUT0 */
-
- /* wait for 2us */
- udelay(2);
-
- /* De-assert reset to UART */
- reset_set_enable(pid, 0);
}
-/*
- * Routine: clock_init_uart
- * Description: init the PLL and clock for the UART(s)
- */
-static void clock_init_uart(void)
-{
-#if defined(CONFIG_TEGRA2_ENABLE_UARTA)
- enable_uart(PERIPH_ID_UART1);
-#endif /* CONFIG_TEGRA2_ENABLE_UARTA */
-#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
- enable_uart(PERIPH_ID_UART4);
-#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
-}
+void pin_mux_usb(void) __attribute__((weak, alias("__pin_mux_usb")));
-/*
- * Routine: pin_mux_uart
- * Description: setup the pin muxes/tristate values for the UART(s)
- */
-static void pin_mux_uart(void)
+void __pin_mux_spi(void)
{
-#if defined(CONFIG_TEGRA2_ENABLE_UARTA)
- pinmux_set_func(PINGRP_IRRX, PMUX_FUNC_UARTA);
- pinmux_set_func(PINGRP_IRTX, PMUX_FUNC_UARTA);
-
- pinmux_tristate_disable(PINGRP_IRRX);
- pinmux_tristate_disable(PINGRP_IRTX);
-#endif /* CONFIG_TEGRA2_ENABLE_UARTA */
-#if defined(CONFIG_TEGRA2_ENABLE_UARTD)
- pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD);
-
- pinmux_tristate_disable(PINGRP_GMC);
-#endif /* CONFIG_TEGRA2_ENABLE_UARTD */
}
-#ifdef CONFIG_TEGRA2_MMC
-/*
- * Routine: clock_init_mmc
- * Description: init the PLL and clocks for the SDMMC controllers
- */
-static void clock_init_mmc(void)
-{
- clock_start_periph_pll(PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH, 20000000);
- clock_start_periph_pll(PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH, 20000000);
-}
+void pin_mux_spi(void) __attribute__((weak, alias("__pin_mux_spi")));
/*
- * Routine: pin_mux_mmc
- * Description: setup the pin muxes/tristate values for the SDMMC(s)
+ * Routine: power_det_init
+ * Description: turn off power detects
*/
-static void pin_mux_mmc(void)
+static void power_det_init(void)
{
- /* SDMMC4: config 3, x8 on 2nd set of pins */
- pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
-
- pinmux_tristate_disable(PINGRP_ATB);
- pinmux_tristate_disable(PINGRP_GMA);
- pinmux_tristate_disable(PINGRP_GME);
-
- /* SDMMC3: SDIO3_CLK, SDIO3_CMD, SDIO3_DAT[3:0] */
- pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3);
-
- pinmux_tristate_disable(PINGRP_SDC);
- pinmux_tristate_disable(PINGRP_SDD);
- pinmux_tristate_disable(PINGRP_SDB);
-}
+#if defined(CONFIG_TEGRA20)
+ struct pmc_ctlr *const pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ /* turn off power detects */
+ writel(0, &pmc->pmc_pwr_det_latch);
+ writel(0, &pmc->pmc_pwr_det);
#endif
+}
/*
* Routine: board_init
*/
int board_init(void)
{
+ __maybe_unused int err;
+
+ /* Do clocks and UART first so that printf() works */
clock_init();
clock_verify();
+#ifdef CONFIG_SPI_UART_SWITCH
+ gpio_config_uart();
+#endif
+#ifdef CONFIG_TEGRA_SPI
+ pin_mux_spi();
+ spi_init();
+#endif
/* boot param addr */
gd->bd->bi_boot_params = (NV_PA_SDRAM_BASE + 0x100);
- return 0;
-}
+ power_det_init();
-#ifdef CONFIG_TEGRA2_MMC
-/* this is a weak define that we are overriding */
-int board_mmc_init(bd_t *bd)
-{
- debug("board_mmc_init called\n");
- /* Enable clocks, muxes, etc. for SDMMC controllers */
- clock_init_mmc();
- pin_mux_mmc();
+#ifdef CONFIG_TEGRA_I2C
+#ifndef CONFIG_SYS_I2C_INIT_BOARD
+#error "You must define CONFIG_SYS_I2C_INIT_BOARD to use i2c on Nvidia boards"
+#endif
+ i2c_init_board();
+# ifdef CONFIG_TEGRA_PMU
+ if (pmu_set_nominal())
+ debug("Failed to select nominal voltages\n");
+# ifdef CONFIG_TEGRA_CLOCK_SCALING
+ err = board_emc_init();
+ if (err)
+ debug("Memory controller init failed: %d\n", err);
+# endif
+# endif /* CONFIG_TEGRA_PMU */
+#endif /* CONFIG_TEGRA_I2C */
+
+#ifdef CONFIG_USB_EHCI_TEGRA
+ pin_mux_usb();
+ board_usb_init(gd->fdt_blob);
+#endif
- debug("board_mmc_init: init eMMC\n");
- /* init dev 0, eMMC chip, with 4-bit bus */
- tegra2_mmc_init(0, 4);
+#ifdef CONFIG_TEGRA_LP0
+ /* save Sdram params to PMC 2, 4, and 24 for WB0 */
+ warmboot_save_sdram_params();
- debug("board_mmc_init: init SD slot\n");
- /* init dev 1, SD slot, with 4-bit bus */
- tegra2_mmc_init(1, 4);
+ /* prepare the WB code to LP0 location */
+ warmboot_prepare_code(TEGRA_LP0_ADDR, TEGRA_LP0_SIZE);
+#endif
return 0;
}
-/* this is a weak define that we are overriding */
-int board_mmc_getcd(u8 *cd, struct mmc *mmc)
+#ifdef CONFIG_BOARD_EARLY_INIT_F
+static void __gpio_early_init(void)
{
- debug("board_mmc_getcd called\n");
- /*
- * Hard-code CD presence for now. Need to add GPIO inputs
- * for Seaboard & Harmony (& Kaen/Aebl/Wario?)
- */
- *cd = 1;
- return 0;
}
-#endif
-#ifdef CONFIG_BOARD_EARLY_INIT_F
+void gpio_early_init(void) __attribute__((weak, alias("__gpio_early_init")));
+
int board_early_init_f(void)
{
- /* Initialize essential common plls */
- clock_early_init();
-
- /* Initialize UART clocks */
- clock_init_uart();
-
- /* Initialize periph pinmuxes */
- pin_mux_uart();
+ board_init_uart_f();
/* Initialize periph GPIOs */
+ gpio_early_init();
+#ifdef CONFIG_SPI_UART_SWITCH
+ gpio_early_init_uart();
+#else
gpio_config_uart();
-
- /* Init UART, scratch regs, and start CPU */
- tegra2_start();
+#endif
return 0;
}
#endif /* EARLY_INIT */
projects / karo-tx-uboot.git / blobdiff