diff options
Diffstat (limited to 'qemu/roms/u-boot/board/keymile/kmp204x/kmp204x.c')
| -rw-r--r-- | qemu/roms/u-boot/board/keymile/kmp204x/kmp204x.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/keymile/kmp204x/kmp204x.c b/qemu/roms/u-boot/board/keymile/kmp204x/kmp204x.c new file mode 100644 index 000000000..6bc8eb85e --- /dev/null +++ b/qemu/roms/u-boot/board/keymile/kmp204x/kmp204x.c @@ -0,0 +1,287 @@ +/* + * (C) Copyright 2013 Keymile AG + * Valentin Longchamp <valentin.longchamp@keymile.com> + * + * Copyright 2011,2012 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <netdev.h> +#include <linux/compiler.h> +#include <asm/mmu.h> +#include <asm/processor.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_law.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_portals.h> +#include <asm/fsl_liodn.h> +#include <fm_eth.h> + +#include "../common/common.h" +#include "kmp204x.h" + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + printf("Board: Keymile %s\n", CONFIG_KM_BOARD_NAME); + + return 0; +} + +/* I2C deblocking uses the algorithm defined in board/keymile/common/common.c + * 2 dedicated QRIO GPIOs externally pull the SCL and SDA lines + * For I2C only the low state is activly driven and high state is pulled-up + * by a resistor. Therefore the deblock GPIOs are used + * -> as an active output to drive a low state + * -> as an open-drain input to have a pulled-up high state + */ + +/* QRIO GPIOs used for deblocking */ +#define DEBLOCK_PORT1 GPIO_A +#define DEBLOCK_SCL1 20 +#define DEBLOCK_SDA1 21 + +/* By default deblock GPIOs are floating */ +static void i2c_deblock_gpio_cfg(void) +{ + /* set I2C bus 1 deblocking GPIOs input, but 0 value for open drain */ + qrio_gpio_direction_input(DEBLOCK_PORT1, DEBLOCK_SCL1); + qrio_gpio_direction_input(DEBLOCK_PORT1, DEBLOCK_SDA1); + + qrio_set_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1, 0); + qrio_set_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1, 0); +} + +void set_sda(int state) +{ + qrio_set_opendrain_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1, state); +} + +void set_scl(int state) +{ + qrio_set_opendrain_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1, state); +} + +int get_sda(void) +{ + return qrio_get_gpio(DEBLOCK_PORT1, DEBLOCK_SDA1); +} + +int get_scl(void) +{ + return qrio_get_gpio(DEBLOCK_PORT1, DEBLOCK_SCL1); +} + + +#define ZL30158_RST 8 +#define BFTIC4_RST 0 + +int board_early_init_f(void) +{ + ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + /* board only uses the DDR_MCK0, so disable the DDR_MCK1/2/3 */ + setbits_be32(&gur->ddrclkdr, 0x001f000f); + + /* set the BFTIC's prstcfg to reset at power-up and unit reset only */ + qrio_prstcfg(BFTIC4_RST, PRSTCFG_POWUP_UNIT_RST); + /* and enable WD on it */ + qrio_wdmask(BFTIC4_RST, true); + + /* set the ZL30138's prstcfg to reset at power-up and unit reset only */ + qrio_prstcfg(ZL30158_RST, PRSTCFG_POWUP_UNIT_RST); + /* and take it out of reset as soon as possible (needed for Hooper) */ + qrio_prst(ZL30158_RST, false, false); + + return 0; +} + +int board_early_init_r(void) +{ + int ret = 0; + /* Flush d-cache and invalidate i-cache of any FLASH data */ + flush_dcache(); + invalidate_icache(); + + set_liodns(); + setup_portals(); + + ret = trigger_fpga_config(); + if (ret) + printf("error triggering PCIe FPGA config\n"); + + /* enable the Unit LED (red) & Boot LED (on) */ + qrio_set_leds(); + + /* enable Application Buffer */ + qrio_enable_app_buffer(); + + return ret; +} + +unsigned long get_board_sys_clk(unsigned long dummy) +{ + return 66666666; +} + +#define ETH_FRONT_PHY_RST 15 +#define QSFP2_RST 11 +#define QSFP1_RST 10 +#define ZL30343_RST 9 + +int misc_init_f(void) +{ + /* configure QRIO pis for i2c deblocking */ + i2c_deblock_gpio_cfg(); + + /* configure the front phy's prstcfg and take it out of reset */ + qrio_prstcfg(ETH_FRONT_PHY_RST, PRSTCFG_POWUP_UNIT_CORE_RST); + qrio_prst(ETH_FRONT_PHY_RST, false, false); + + /* set the ZL30343 prstcfg to reset at power-up and unit reset only */ + qrio_prstcfg(ZL30343_RST, PRSTCFG_POWUP_UNIT_RST); + /* and enable the WD on it */ + qrio_wdmask(ZL30343_RST, true); + + /* set the QSFPs' prstcfg to reset at power-up and unit rst only */ + qrio_prstcfg(QSFP1_RST, PRSTCFG_POWUP_UNIT_RST); + qrio_prstcfg(QSFP2_RST, PRSTCFG_POWUP_UNIT_RST); + + /* and enable the WD on them */ + qrio_wdmask(QSFP1_RST, true); + qrio_wdmask(QSFP2_RST, true); + + return 0; +} + +#define NUM_SRDS_BANKS 2 + +int misc_init_r(void) +{ + serdes_corenet_t *regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR; + u32 expected[NUM_SRDS_BANKS] = {SRDS_PLLCR0_RFCK_SEL_100, + SRDS_PLLCR0_RFCK_SEL_125}; + unsigned int i; + + /* check SERDES reference clocks */ + for (i = 0; i < NUM_SRDS_BANKS; i++) { + u32 actual = in_be32(®s->bank[i].pllcr0); + actual &= SRDS_PLLCR0_RFCK_SEL_MASK; + if (actual != expected[i]) { + printf("Warning: SERDES bank %u expects reference \ + clock %sMHz, but actual is %sMHz\n", i + 1, + serdes_clock_to_string(expected[i]), + serdes_clock_to_string(actual)); + } + } + + return 0; +} + +#if defined(CONFIG_HUSH_INIT_VAR) +int hush_init_var(void) +{ + ivm_read_eeprom(); + return 0; +} +#endif + +#if defined(CONFIG_LAST_STAGE_INIT) + +int last_stage_init(void) +{ +#if defined(CONFIG_KMCOGE4) + /* on KMCOGE4, the BFTIC4 is on the LBAPP2 */ + struct bfticu_iomap *bftic4 = + (struct bfticu_iomap *)CONFIG_SYS_LBAPP2_BASE; + u8 dip_switch = in_8((u8 *)&(bftic4->mswitch)) & BFTICU_DIPSWITCH_MASK; + + if (dip_switch != 0) { + /* start bootloader */ + puts("DIP: Enabled\n"); + setenv("actual_bank", "0"); + } +#endif + set_km_env(); + + return 0; +} +#endif + +#ifdef CONFIG_SYS_DPAA_FMAN +void fdt_fixup_fman_mac_addresses(void *blob) +{ + int node, i, ret; + char *tmp, *end; + unsigned char mac_addr[6]; + + /* get the mac addr from env */ + tmp = getenv("ethaddr"); + if (!tmp) { + printf("ethaddr env variable not defined\n"); + return; + } + for (i = 0; i < 6; i++) { + mac_addr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; + if (tmp) + tmp = (*end) ? end+1 : end; + } + + /* find the correct fdt ethernet path and correct it */ + node = fdt_path_offset(blob, "/soc/fman/ethernet@e8000"); + if (node < 0) { + printf("no /soc/fman/ethernet path offset\n"); + return; + } + ret = fdt_setprop(blob, node, "local-mac-address", &mac_addr, 6); + if (ret) { + printf("error setting local-mac-address property\n"); + return; + } +} +#endif + +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) + fdt_fixup_dr_usb(blob, bd); +#endif + +#ifdef CONFIG_PCI + pci_of_setup(blob, bd); +#endif + + fdt_fixup_liodn(blob); +#ifdef CONFIG_SYS_DPAA_FMAN + fdt_fixup_fman_ethernet(blob); + fdt_fixup_fman_mac_addresses(blob); +#endif +} + +#if defined(CONFIG_POST) + +/* DIC26_SELFTEST GPIO used to start factory test sw */ +#define SELFTEST_PORT GPIO_A +#define SELFTEST_PIN 31 + +int post_hotkeys_pressed(void) +{ + qrio_gpio_direction_input(SELFTEST_PORT, SELFTEST_PIN); + return qrio_get_gpio(SELFTEST_PORT, SELFTEST_PIN); +} +#endif |