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uboot/u-boot-stm32mp-2020.01/board/logicpd/omap3som/omap3logic.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2011
* Logic Product Development <www.logicpd.com>
*
* Author :
* Peter Barada <peter.barada@logicpd.com>
*
* Derived from Beagle Board and 3430 SDP code by
* Richard Woodruff <r-woodruff2@ti.com>
* Syed Mohammed Khasim <khasim@ti.com>
*/
#include <common.h>
#include <dm.h>
#include <init.h>
#include <ns16550.h>
#include <netdev.h>
#include <flash.h>
#include <nand.h>
#include <i2c.h>
#include <serial.h>
#include <twl4030.h>
#include <asm/io.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/mux.h>
#include <asm/arch/mem.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/omap_mmc.h>
#include <asm/mach-types.h>
#include <linux/mtd/rawnand.h>
#include <asm/omap_musb.h>
#include <linux/errno.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
#include "omap3logic.h"
#ifdef CONFIG_USB_EHCI_HCD
#include <usb.h>
#include <asm/ehci-omap.h>
#endif
DECLARE_GLOBAL_DATA_PTR;
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1 0x00011203
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2 0x000A1302
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3 0x000F1302
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4 0x0A021303
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5 0x00120F18
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6 0x0A030000
#define LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7 0x00000C50
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1 0x00011203
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2 0x00091102
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3 0x000D1102
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4 0x09021103
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5 0x00100D15
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6 0x09030000
#define LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7 0x00000C50
#ifdef CONFIG_SPL_OS_BOOT
int spl_start_uboot(void)
{
/* break into full u-boot on 'c' */
return serial_tstc() && serial_getc() == 'c';
}
#endif
#if defined(CONFIG_SPL_BUILD)
/*
* Routine: get_board_mem_timings
* Description: If we use SPL then there is no x-loader nor config header
* so we have to setup the DDR timings ourself on the first bank. This
* provides the timing values back to the function that configures
* the memory.
*/
void get_board_mem_timings(struct board_sdrc_timings *timings)
{
timings->mr = MICRON_V_MR_165;
if (get_cpu_family() == CPU_OMAP36XX) {
/* 200 MHz works for OMAP36/DM37 */
/* 256MB DDR */
timings->mcfg = MICRON_V_MCFG_200(256 << 20);
timings->ctrla = MICRON_V_ACTIMA_200;
timings->ctrlb = MICRON_V_ACTIMB_200;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
} else {
/* 165 MHz works for OMAP35 */
timings->mcfg = MICRON_V_MCFG_165(256 << 20);
timings->ctrla = MICRON_V_ACTIMA_165;
timings->ctrlb = MICRON_V_ACTIMB_165;
timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
}
}
#define GPMC_NAND_COMMAND_0 (OMAP34XX_GPMC_BASE + 0x7c)
#define GPMC_NAND_DATA_0 (OMAP34XX_GPMC_BASE + 0x84)
#define GPMC_NAND_ADDRESS_0 (OMAP34XX_GPMC_BASE + 0x80)
void spl_board_prepare_for_linux(void)
{
/* The Micron NAND starts locked which
* prohibits mounting the NAND as RW
* The following commands are what unlocks
* the NAND to become RW Falcon Mode does not
* have as many smarts as U-Boot, but Logic PD
* only makes NAND with 512MB so these hard coded
* values should work for all current models
*/
writeb(0x70, GPMC_NAND_COMMAND_0);
writeb(-1, GPMC_NAND_DATA_0);
writeb(0x7a, GPMC_NAND_COMMAND_0);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(-1, GPMC_NAND_COMMAND_0);
/* Begin address 0 */
writeb(NAND_CMD_UNLOCK1, 0x6e00007c);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(0x00, GPMC_NAND_ADDRESS_0);
writeb(-1, GPMC_NAND_DATA_0);
/* Ending address at the end of Flash */
writeb(NAND_CMD_UNLOCK2, GPMC_NAND_COMMAND_0);
writeb(0xc0, GPMC_NAND_ADDRESS_0);
writeb(0xff, GPMC_NAND_ADDRESS_0);
writeb(0x03, GPMC_NAND_ADDRESS_0);
writeb(-1, GPMC_NAND_DATA_0);
writeb(0x79, GPMC_NAND_COMMAND_0);
writeb(-1, GPMC_NAND_DATA_0);
writeb(-1, GPMC_NAND_DATA_0);
}
#endif
/*
* Routine: misc_init_r
* Description: Configure board specific parts
*/
int misc_init_r(void)
{
twl4030_power_init();
twl4030_power_mmc_init(0);
omap_die_id_display();
return 0;
}
#if defined(CONFIG_FLASH_CFI_DRIVER)
static const u32 gpmc_dm37_c2nor_config[] = {
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG1,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG2,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG3,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG4,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG5,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG6,
LOGIC_MT28_DM37_ASYNC_GPMC_CONFIG7
};
static const u32 gpmc_omap35_c2nor_config[] = {
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG1,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG2,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG3,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG4,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG5,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG6,
LOGIC_MT28_OMAP35_ASYNC_GPMC_CONFIG7
};
#endif
/*
* Routine: board_init
* Description: Early hardware init.
*/
int board_init(void)
{
gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
/* boot param addr */
gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
#if defined(CONFIG_FLASH_CFI_DRIVER)
if (get_cpu_family() == CPU_OMAP36XX) {
/* Enable CS2 for NOR Flash */
enable_gpmc_cs_config(gpmc_dm37_c2nor_config, &gpmc_cfg->cs[2],
0x10000000, GPMC_SIZE_64M);
} else {
enable_gpmc_cs_config(gpmc_omap35_c2nor_config, &gpmc_cfg->cs[2],
0x10000000, GPMC_SIZE_64M);
}
#endif
return 0;
}
#ifdef CONFIG_BOARD_LATE_INIT
static void unlock_nand(void)
{
int dev = nand_curr_device;
struct mtd_info *mtd;
mtd = get_nand_dev_by_index(dev);
nand_unlock(mtd, 0, mtd->size, 0);
}
int board_late_init(void)
{
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
unlock_nand();
#endif
return 0;
}
#endif
#if defined(CONFIG_MMC)
void board_mmc_power_init(void)
{
twl4030_power_mmc_init(0);
}
#endif
#ifdef CONFIG_SMC911X
/* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */
static const u32 gpmc_lan92xx_config[] = {
NET_LAN92XX_GPMC_CONFIG1,
NET_LAN92XX_GPMC_CONFIG2,
NET_LAN92XX_GPMC_CONFIG3,
NET_LAN92XX_GPMC_CONFIG4,
NET_LAN92XX_GPMC_CONFIG5,
NET_LAN92XX_GPMC_CONFIG6,
};
int board_eth_init(bd_t *bis)
{
enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1],
CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
return smc911x_initialize(0, CONFIG_SMC911X_BASE);
}
#endif