mirror of
https://github.com/AsahiLinux/u-boot
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3d7506fa38
Add USB device-tree fixup for following platforms: MPC8536DS, P1022DS, P1023RDS, P2020COME, P2020DS, P2041RDB, P3060QDS Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
289 lines
6.3 KiB
C
289 lines
6.3 KiB
C
/*
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* Copyright 2009,2012 Freescale Semiconductor, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <hwconfig.h>
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#include <command.h>
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#include <asm/processor.h>
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#include <asm/mmu.h>
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#include <asm/cache.h>
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#include <asm/immap_85xx.h>
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#include <asm/mpc85xx_gpio.h>
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#include <asm/fsl_serdes.h>
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#include <asm/io.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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#include <fsl_mdio.h>
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#include <tsec.h>
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#include <vsc7385.h>
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#include <netdev.h>
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#include <mmc.h>
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#include <malloc.h>
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#include <i2c.h>
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#if defined(CONFIG_PCI)
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#include <asm/fsl_pci.h>
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#include <pci.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_PCI)
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void pci_init_board(void)
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{
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fsl_pcie_init_board(0);
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}
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void ft_pci_board_setup(void *blob)
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{
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FT_FSL_PCI_SETUP;
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}
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#endif
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#define BOARD_PERI_RST_SET (VSC7385_RST_SET | SLIC_RST_SET | \
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SGMII_PHY_RST_SET | PCIE_RST_SET | \
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RGMII_PHY_RST_SET)
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#define SYSCLK_MASK 0x00200000
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#define BOARDREV_MASK 0x10100000
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#define BOARDREV_B 0x10100000
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#define BOARDREV_C 0x00100000
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#define BOARDREV_D 0x00000000
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#define SYSCLK_66 66666666
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#define SYSCLK_50 50000000
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#define SYSCLK_100 100000000
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unsigned long get_board_sys_clk(ulong dummy)
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{
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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u32 ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;
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ddr_ratio >>= MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
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switch (ddr_ratio) {
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case 0x0C:
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return SYSCLK_66;
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case 0x0A:
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case 0x08:
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return SYSCLK_100;
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default:
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puts("ERROR: unknown DDR ratio\n");
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return SYSCLK_100;
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}
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}
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unsigned long get_board_ddr_clk(ulong dummy)
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{
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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u32 ddr_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_DDR_RATIO;
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ddr_ratio >>= MPC85xx_PORPLLSR_DDR_RATIO_SHIFT;
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switch (ddr_ratio) {
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case 0x0C:
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case 0x0A:
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return SYSCLK_66;
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case 0x08:
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return SYSCLK_100;
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default:
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puts("ERROR: unknown DDR ratio\n");
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return SYSCLK_100;
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}
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}
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#ifdef CONFIG_MMC
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int board_early_init_f(void)
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{
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ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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setbits_be32(&gur->pmuxcr,
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(MPC85xx_PMUXCR_SDHC_CD |
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MPC85xx_PMUXCR_SDHC_WP));
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/* All the device are enable except for SRIO12 */
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_SRIO);
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return 0;
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}
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#endif
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#define GPIO_DIR 0x0f3a0000
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#define GPIO_ODR 0x00000000
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#define GPIO_DAT 0x001a0000
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int checkboard(void)
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{
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ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR + 0xC00);
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/*
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* GPIO
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* 0 - 3: CarryBoard Input;
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* 4 - 7: CarryBoard Output;
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* 8 : Mux as SDHC_CD (card detection)
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* 9 : Mux as SDHC_WP
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* 10 : Clear Watchdog timer
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* 11 : LED Input
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* 12 : Output to 1
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* 13 : Open Drain
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* 14 : LED Output
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* 15 : Switch Input
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*
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* Set GPIOs 11, 12, 14 to 1.
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*/
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out_be32(&pgpio->gpodr, GPIO_ODR);
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mpc85xx_gpio_set(0xffffffff, GPIO_DIR, GPIO_DAT);
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puts("Board: Freescale COM Express P2020\n");
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return 0;
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}
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#define M41ST85W_I2C_BUS 1
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#define M41ST85W_I2C_ADDR 0x68
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#define M41ST85W_ERROR(fmt, args...) printf("ERROR: M41ST85W: " fmt, ##args)
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static void m41st85w_clear_bit(u8 reg, u8 mask, const char *name)
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{
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u8 data;
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if (i2c_read(M41ST85W_I2C_ADDR, reg, 1, &data, 1)) {
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M41ST85W_ERROR("unable to read %s bit\n", name);
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return;
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}
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if (data & mask) {
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data &= ~mask;
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if (i2c_write(M41ST85W_I2C_ADDR, reg, 1, &data, 1)) {
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M41ST85W_ERROR("unable to clear %s bit\n", name);
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return;
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}
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}
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}
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#define M41ST85W_REG_SEC2 0x01
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#define M41ST85W_REG_SEC2_ST 0x80
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#define M41ST85W_REG_ALHOUR 0x0c
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#define M41ST85W_REG_ALHOUR_HT 0x40
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/*
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* The P2020COME board has a STMicro M41ST85W RTC/watchdog
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* at i2c bus 1 address 0x68.
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*/
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static void start_rtc(void)
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{
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unsigned int bus = i2c_get_bus_num();
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if (i2c_set_bus_num(M41ST85W_I2C_BUS)) {
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M41ST85W_ERROR("unable to set i2c bus\n");
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goto out;
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}
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/* ensure ST (stop) and HT (halt update) bits are cleared */
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m41st85w_clear_bit(M41ST85W_REG_SEC2, M41ST85W_REG_SEC2_ST, "ST");
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m41st85w_clear_bit(M41ST85W_REG_ALHOUR, M41ST85W_REG_ALHOUR_HT, "HT");
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out:
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/* reset the i2c bus */
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i2c_set_bus_num(bus);
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}
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int board_early_init_r(void)
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{
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start_rtc();
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return 0;
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}
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#define M41ST85W_REG_WATCHDOG 0x09
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#define M41ST85W_REG_WATCHDOG_WDS 0x80
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#define M41ST85W_REG_WATCHDOG_BMB0 0x04
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void board_reset(void)
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{
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u8 data = M41ST85W_REG_WATCHDOG_WDS | M41ST85W_REG_WATCHDOG_BMB0;
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/* set the hardware watchdog timeout to 1/16 second, then hang */
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i2c_set_bus_num(M41ST85W_I2C_BUS);
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i2c_write(M41ST85W_I2C_ADDR, M41ST85W_REG_WATCHDOG, 1, &data, 1);
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while (1)
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/* hang */;
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}
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#ifdef CONFIG_TSEC_ENET
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int board_eth_init(bd_t *bis)
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{
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struct fsl_pq_mdio_info mdio_info;
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struct tsec_info_struct tsec_info[4];
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int num = 0;
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#ifdef CONFIG_TSEC1
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SET_STD_TSEC_INFO(tsec_info[num], 1);
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num++;
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#endif
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#ifdef CONFIG_TSEC2
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SET_STD_TSEC_INFO(tsec_info[num], 2);
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num++;
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#endif
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#ifdef CONFIG_TSEC3
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SET_STD_TSEC_INFO(tsec_info[num], 3);
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if (is_serdes_configured(SGMII_TSEC3)) {
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puts("eTSEC3 is in sgmii mode.");
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tsec_info[num].flags |= TSEC_SGMII;
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}
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num++;
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#endif
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if (!num) {
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printf("No TSECs initialized\n");
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return 0;
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}
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mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
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mdio_info.name = DEFAULT_MII_NAME;
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fsl_pq_mdio_init(bis, &mdio_info);
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tsec_eth_init(bis, tsec_info, num);
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return pci_eth_init(bis);
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}
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#endif
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#if defined(CONFIG_OF_BOARD_SETUP)
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void ft_board_setup(void *blob, bd_t *bd)
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{
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phys_addr_t base;
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phys_size_t size;
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ft_cpu_setup(blob, bd);
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base = getenv_bootm_low();
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size = getenv_bootm_size();
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#if defined(CONFIG_PCI)
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ft_pci_board_setup(blob);
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#endif
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fdt_fixup_memory(blob, (u64)base, (u64)size);
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#ifdef CONFIG_HAS_FSL_DR_USB
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fdt_fixup_dr_usb(blob, bd);
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#endif
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}
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#endif
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