diff options
Diffstat (limited to 'src/soc/broadcom')
| -rw-r--r-- | src/soc/broadcom/Makefile.inc | 20 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/Kconfig | 43 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/Makefile.inc | 50 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/bootblock.c | 29 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/cbmem.c | 26 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/i2c.c | 32 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/include/soc/gpio.h | 8 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/include/soc/i2c.h | 25 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/include/soc/memlayout.ld | 41 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/include/soc/sdram.h | 25 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/monotonic_timer.c | 24 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/romstage.c | 74 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/sdram.c | 25 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/spi.c | 41 | ||||
| -rw-r--r-- | src/soc/broadcom/cygnus/uart.c | 42 |
15 files changed, 505 insertions, 0 deletions
diff --git a/src/soc/broadcom/Makefile.inc b/src/soc/broadcom/Makefile.inc new file mode 100644 index 0000000000..165f923032 --- /dev/null +++ b/src/soc/broadcom/Makefile.inc @@ -0,0 +1,20 @@ +## +## This file is part of the coreboot project. +## +## Copyright 2015 Google Inc. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +subdirs-$(CONFIG_SOC_BROADCOM_CYGNUS) += cygnus diff --git a/src/soc/broadcom/cygnus/Kconfig b/src/soc/broadcom/cygnus/Kconfig new file mode 100644 index 0000000000..2f5ad21bc3 --- /dev/null +++ b/src/soc/broadcom/cygnus/Kconfig @@ -0,0 +1,43 @@ +## +## This file is part of the coreboot project. +## +## Copyright 2014 Google Inc. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +config SOC_BROADCOM_CYGNUS + bool + default n + select ARCH_BOOTBLOCK_ARMV7 + select ARCH_RAMSTAGE_ARMV7 + select ARCH_ROMSTAGE_ARMV7 + select ARCH_VERSTAGE_ARMV7 + select BOOTBLOCK_CONSOLE + select CPU_HAS_BOOTBLOCK_INIT + select DYNAMIC_CBMEM + select EARLY_CONSOLE + select GENERIC_UDELAY + select HAVE_MONOTONIC_TIMER + select HAVE_UART_MEMORY_MAPPED + select HAVE_UART_SPECIAL + select RETURN_FROM_VERSTAGE + +if SOC_BROADCOM_CYGNUS + +config BOOTBLOCK_CPU_INIT + string + default "soc/broadcom/cygnus/bootblock.c" + +endif diff --git a/src/soc/broadcom/cygnus/Makefile.inc b/src/soc/broadcom/cygnus/Makefile.inc new file mode 100644 index 0000000000..4d122819a4 --- /dev/null +++ b/src/soc/broadcom/cygnus/Makefile.inc @@ -0,0 +1,50 @@ +## +## This file is part of the coreboot project. +## +## Copyright 2014 Google Inc. +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +bootblock-y += bootblock.c +bootblock-y += cbmem.c +bootblock-y += i2c.c +bootblock-y += monotonic_timer.c +bootblock-$(CONFIG_SPI_FLASH) += spi.c +bootblock-$(CONFIG_CONSOLE_SERIAL) += uart.c + +verstage-y += i2c.c +verstage-y += monotonic_timer.c +verstage-$(CONFIG_SPI_FLASH) += spi.c +verstage-$(CONFIG_CONSOLE_SERIAL) += uart.c + +romstage-y += cbmem.c +romstage-y += i2c.c +romstage-y += monotonic_timer.c +romstage-y += romstage.c +romstage-y += sdram.c +romstage-$(CONFIG_SPI_FLASH) += spi.c +romstage-$(CONFIG_CONSOLE_SERIAL) += uart.c + +ramstage-y += cbmem.c +ramstage-y += i2c.c +ramstage-y += monotonic_timer.c +ramstage-$(CONFIG_SPI_FLASH) += spi.c +ramstage-$(CONFIG_CONSOLE_SERIAL) += uart.c + +CPPFLAGS_common += -Isrc/soc/broadcom/cygnus/include/ + +$(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.elf + @printf " OBJCOPY $(subst $(obj)/,,$(@))\n" + $(OBJCOPY_bootblock) -O binary $< $@ diff --git a/src/soc/broadcom/cygnus/bootblock.c b/src/soc/broadcom/cygnus/bootblock.c new file mode 100644 index 0000000000..37edf7f771 --- /dev/null +++ b/src/soc/broadcom/cygnus/bootblock.c @@ -0,0 +1,29 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <bootblock_common.h> +#include <console/console.h> + +void bootblock_soc_init(void) +{ + /* + * typically, this is the place where mmu is initialized to enable + * cache. it helps speed up vboot verification. + */ +} diff --git a/src/soc/broadcom/cygnus/cbmem.c b/src/soc/broadcom/cygnus/cbmem.c new file mode 100644 index 0000000000..4532b7e01c --- /dev/null +++ b/src/soc/broadcom/cygnus/cbmem.c @@ -0,0 +1,26 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <cbmem.h> +#include <stddef.h> + +void *cbmem_top(void) +{ + return NULL; +} diff --git a/src/soc/broadcom/cygnus/i2c.c b/src/soc/broadcom/cygnus/i2c.c new file mode 100644 index 0000000000..a6865b9b33 --- /dev/null +++ b/src/soc/broadcom/cygnus/i2c.c @@ -0,0 +1,32 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <console/console.h> +#include <device/i2c.h> +#include <soc/i2c.h> + +int platform_i2c_transfer(unsigned bus, struct i2c_seg *segments, int seg_count) +{ + return 0; +} + +void i2c_init(unsigned int bus, unsigned int hz) +{ + printk(BIOS_INFO, "i2c initialization is not implemented\n"); +} diff --git a/src/soc/broadcom/cygnus/include/soc/gpio.h b/src/soc/broadcom/cygnus/include/soc/gpio.h new file mode 100644 index 0000000000..2d9d8f4911 --- /dev/null +++ b/src/soc/broadcom/cygnus/include/soc/gpio.h @@ -0,0 +1,8 @@ +#ifndef __SOC_BROADCOM_CYGNUS_GPIO_H__ +#define __SOC_BROADCOM_CYGNUS_GPIO_H__ + +#include <types.h> + +typedef u32 gpio_t; + +#endif /* __SOC_BROADCOM_CYGNUS_GPIO_H__ */ diff --git a/src/soc/broadcom/cygnus/include/soc/i2c.h b/src/soc/broadcom/cygnus/include/soc/i2c.h new file mode 100644 index 0000000000..18b6eec90a --- /dev/null +++ b/src/soc/broadcom/cygnus/include/soc/i2c.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __SOC_BROADCOM_CYGNUS_I2C_H__ +#define __SOC_BROADCOM_CYGNUS_I2C_H__ + +void i2c_init(unsigned int bus, unsigned int hz); + +#endif /* __SOC_BROADCOM_CYGNUS_I2C_H__ */ diff --git a/src/soc/broadcom/cygnus/include/soc/memlayout.ld b/src/soc/broadcom/cygnus/include/soc/memlayout.ld new file mode 100644 index 0000000000..41d13fd7c5 --- /dev/null +++ b/src/soc/broadcom/cygnus/include/soc/memlayout.ld @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <memlayout.h> +#include <vendorcode/google/chromeos/memlayout.h> + +#include <arch/header.ld> + +SECTIONS +{ + DRAM_START(0x00000000) + RAMSTAGE(0x00200000, 128K) + POSTRAM_CBFS_CACHE(0x01000000, 1M) + + SRAM_START(0x61000000) + TTB(0x61000000, 16K) + BOOTBLOCK(0x61004000, 16K) + PRERAM_CBMEM_CONSOLE(0x61008000, 4K) + VBOOT2_WORK(0x61009000, 12K) + OVERLAP_VERSTAGE_ROMSTAGE(0x6100C000, 40K) + PRERAM_CBFS_CACHE(0x61016000, 1K) + CBFS_HEADER_OFFSET(0x61016800) + STACK(0x61017800, 4K) + SRAM_END(0x610040000) +} diff --git a/src/soc/broadcom/cygnus/include/soc/sdram.h b/src/soc/broadcom/cygnus/include/soc/sdram.h new file mode 100644 index 0000000000..573364dfe3 --- /dev/null +++ b/src/soc/broadcom/cygnus/include/soc/sdram.h @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2014 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef __SOC_BROADCOM_CYGNUS_SDRAM_H__ +#define __SOC_BROADCOM_CYGNUS_SDRAM_H__ + +void sdram_init(void); + +#endif /* __SOC_BROADCOM_CYGNUS_SDRAM_H__ */ diff --git a/src/soc/broadcom/cygnus/monotonic_timer.c b/src/soc/broadcom/cygnus/monotonic_timer.c new file mode 100644 index 0000000000..67694f9947 --- /dev/null +++ b/src/soc/broadcom/cygnus/monotonic_timer.c @@ -0,0 +1,24 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <timer.h> + +void timer_monotonic_get(struct mono_time *mt) +{ +} diff --git a/src/soc/broadcom/cygnus/romstage.c b/src/soc/broadcom/cygnus/romstage.c new file mode 100644 index 0000000000..e581a63356 --- /dev/null +++ b/src/soc/broadcom/cygnus/romstage.c @@ -0,0 +1,74 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <arch/cache.h> +#include <arch/exception.h> +#include <arch/stages.h> +#include <armv7.h> +#include <cbfs.h> +#include <cbmem.h> +#include <console/console.h> +#include <delay.h> +#include <program_loading.h> +#include <soc/sdram.h> +#include <stdlib.h> +#include <symbols.h> +#include <timestamp.h> +#include <types.h> +#include <vendorcode/google/chromeos/chromeos.h> + +void main(void) +{ +#if CONFIG_COLLECT_TIMESTAMPS + uint64_t start_romstage_time; + uint64_t before_dram_time; + uint64_t after_dram_time; + uint64_t base_time = timestamp_get(); + start_romstage_time = timestamp_get(); +#endif + + console_init(); + +#if CONFIG_COLLECT_TIMESTAMPS + before_dram_time = timestamp_get(); +#endif + + sdram_init(); + +#if CONFIG_COLLECT_TIMESTAMPS + after_dram_time = timestamp_get(); +#endif + + mmu_init(); + mmu_config_range(0, 4096, DCACHE_OFF); + dcache_mmu_enable(); + + cbmem_initialize_empty(); + +#if CONFIG_COLLECT_TIMESTAMPS + timestamp_init(base_time); + timestamp_add(TS_START_ROMSTAGE, start_romstage_time); + timestamp_add(TS_BEFORE_INITRAM, before_dram_time); + timestamp_add(TS_AFTER_INITRAM, after_dram_time); + + timestamp_add_now(TS_END_ROMSTAGE); +#endif + + run_ramstage(); +} diff --git a/src/soc/broadcom/cygnus/sdram.c b/src/soc/broadcom/cygnus/sdram.c new file mode 100644 index 0000000000..d9b45c0d43 --- /dev/null +++ b/src/soc/broadcom/cygnus/sdram.c @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <console/console.h> +#include <soc/sdram.h> + +void sdram_init(void) +{ + printk(BIOS_INFO, "sdram initialization is not implemented\n"); +} diff --git a/src/soc/broadcom/cygnus/spi.c b/src/soc/broadcom/cygnus/spi.c new file mode 100644 index 0000000000..16e09ae79f --- /dev/null +++ b/src/soc/broadcom/cygnus/spi.c @@ -0,0 +1,41 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <stddef.h> +#include <spi-generic.h> + +struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs) +{ + return NULL; +} + +int spi_claim_bus(struct spi_slave *slave) +{ + return 0; +} + +void spi_release_bus(struct spi_slave *slave) +{ +} + +int spi_xfer(struct spi_slave *slave, const void *dout, + unsigned out_bytes, void *din, unsigned in_bytes) +{ + return 0; +} diff --git a/src/soc/broadcom/cygnus/uart.c b/src/soc/broadcom/cygnus/uart.c new file mode 100644 index 0000000000..70b4a2ef5f --- /dev/null +++ b/src/soc/broadcom/cygnus/uart.c @@ -0,0 +1,42 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2015 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <boot/coreboot_tables.h> +#include <console/uart.h> + +void uart_init(int idx) +{ +} + +void uart_tx_byte(int idx, unsigned char data) +{ +} + +void uart_tx_flush(int idx) +{ +} + +unsigned char uart_rx_byte(int idx) +{ + return '\0'; +} + +void uart_fill_lb(void *data) +{ +} |