diff options
Diffstat (limited to 'src/soc/imgtec/danube')
| -rw-r--r-- | src/soc/imgtec/danube/Kconfig | 73 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/Makefile.inc | 54 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/bootblock.c | 24 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/cbmem.c | 29 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/monotonic_timer.c | 25 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/romstage.c | 39 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/spi.c | 35 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/timestamp.c | 19 | ||||
| -rw-r--r-- | src/soc/imgtec/danube/uart.c | 217 |
9 files changed, 0 insertions, 515 deletions
diff --git a/src/soc/imgtec/danube/Kconfig b/src/soc/imgtec/danube/Kconfig deleted file mode 100644 index b41d267ed4..0000000000 --- a/src/soc/imgtec/danube/Kconfig +++ /dev/null @@ -1,73 +0,0 @@ -# -# This file is part of the coreboot project. -# -# Copyright (C) 2014 Imagination Technologies -# -# 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 CPU_IMGTEC_DANUBE - select CPU_MIPS - select DYNAMIC_CBMEM - select GENERIC_UDELAY - select HAVE_MONOTONIC_TIMER - select HAVE_UART_MEMORY_MAPPED - select HAVE_UART_SPECIAL - bool - -if CPU_IMGTEC_DANUBE - -config BOOTBLOCK_CPU_INIT - string - default "soc/imgtec/danube/bootblock.c" - -config BOOTBLOCK_BASE - hex - default 0x9b000000 - -config CBFS_ROM_OFFSET - # Effectively the maximum size of the bootblock - hex - default 0x4000 - -config ROMSTAGE_BASE - hex - default 0x9b004000 - help - The address where romstage is supposed to be loaded, right above the - bootblock. - -config CBMEM_CONSOLE_PRERAM_BASE - hex "memory address of the CBMEM console buffer" - default 0x9b00f800 - help - Allocate 4KB to the pre-ram console buffer, we should be able to use - GRAM eventually and have a much larger buffer. - -config BOOTBLOCK_STACK_BOTTOM - hex - default 0x9b00e000 - help - This allocates 6KB of stack space. One needs to verify that this is - sufficient. - -config BOOTBLOCK_STACK_TOP - hex - default CBMEM_CONSOLE_PRERAM_BASE - help - Bootblock stack starts immediately under the CBMEM console buffer, - stack location might be changed by romstage. -endif diff --git a/src/soc/imgtec/danube/Makefile.inc b/src/soc/imgtec/danube/Makefile.inc deleted file mode 100644 index 266084839e..0000000000 --- a/src/soc/imgtec/danube/Makefile.inc +++ /dev/null @@ -1,54 +0,0 @@ -# -# This file is part of the coreboot project. -# -# Copyright (C) 2014 Imagination Technologies -# -# 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 -# - -# We enable CBFS_SPI_WRAPPER for Danuibe targets. -bootblock-y += spi.c -romstage-y += spi.c -ramstage-y += spi.c - -ifeq ($(CONFIG_CONSOLE_SERIAL_UART),y) -bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += uart.c -romstage-y += uart.c -ramstage-y += uart.c -endif - -bootblock-y += monotonic_timer.c -bootblock-y += timestamp.c - -ramstage-y += cbmem.c -ramstage-y += monotonic_timer.c -ramstage-y += timestamp.c - -romstage-y += cbmem.c -romstage-y += romstage.c -romstage-y += timestamp.c - -# Generate the actual coreboot bootblock code -$(objcbfs)/bootblock.raw: $(objcbfs)/bootblock.elf - @printf " OBJCOPY $(subst $(obj)/,,$(@))\n" - $(OBJCOPY_bootblock) -O binary $< $@.tmp - @mv $@.tmp $@ - -# Create a complete bootblock which will start up the system -$(objcbfs)/bootblock.bin: $(objcbfs)/bootblock.raw $(BIMGTOOL) - @printf " BIMGTOOL $(subst $(obj)/,,$(@))\n" - $(BIMGTOOL) $< $@ $(CONFIG_BOOTBLOCK_BASE) - diff --git a/src/soc/imgtec/danube/bootblock.c b/src/soc/imgtec/danube/bootblock.c deleted file mode 100644 index f6cc76b0b9..0000000000 --- a/src/soc/imgtec/danube/bootblock.c +++ /dev/null @@ -1,24 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Imagination Technologies - * - * 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 - */ - -static void bootblock_cpu_init(void) -{ -} diff --git a/src/soc/imgtec/danube/cbmem.c b/src/soc/imgtec/danube/cbmem.c deleted file mode 100644 index 5fb6c0e7bd..0000000000 --- a/src/soc/imgtec/danube/cbmem.c +++ /dev/null @@ -1,29 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Imagination Technologies - * - * 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 <stdlib.h> - -void *cbmem_top(void) -{ - uintptr_t top = MIN(CONFIG_DRAM_SIZE_MB, 256) << 20; - return (void *)(top + CONFIG_SYS_SDRAM_BASE); -} diff --git a/src/soc/imgtec/danube/monotonic_timer.c b/src/soc/imgtec/danube/monotonic_timer.c deleted file mode 100644 index a8fe27c9cc..0000000000 --- a/src/soc/imgtec/danube/monotonic_timer.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * 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 - */ - -#include <timer.h> - -void timer_monotonic_get(struct mono_time *mt) -{ - /* to be defined */ -} diff --git a/src/soc/imgtec/danube/romstage.c b/src/soc/imgtec/danube/romstage.c deleted file mode 100644 index 53ca898fed..0000000000 --- a/src/soc/imgtec/danube/romstage.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2014 Imagination Technologies - * - * 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/hlt.h> -#include <arch/stages.h> -#include <cbfs.h> -#include <console/console.h> - -void main(void) -{ - void *entry; - - console_init(); - - entry = cbfs_load_stage(CBFS_DEFAULT_MEDIA, - CONFIG_CBFS_PREFIX "/ramstage"); - if (entry != (void *)-1) - stage_exit(entry); - - hlt(); -} diff --git a/src/soc/imgtec/danube/spi.c b/src/soc/imgtec/danube/spi.c deleted file mode 100644 index 95bf8272a8..0000000000 --- a/src/soc/imgtec/danube/spi.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * Copyright (C) 2014 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#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/imgtec/danube/timestamp.c b/src/soc/imgtec/danube/timestamp.c deleted file mode 100644 index f0dc5ad9cb..0000000000 --- a/src/soc/imgtec/danube/timestamp.c +++ /dev/null @@ -1,19 +0,0 @@ -/* - * Copyright (C) 2014 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - */ - -#include <timestamp.h> - -uint64_t timestamp_get(void) -{ - return 0; -} diff --git a/src/soc/imgtec/danube/uart.c b/src/soc/imgtec/danube/uart.c deleted file mode 100644 index 855fce5847..0000000000 --- a/src/soc/imgtec/danube/uart.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2003 Eric Biederman - * Copyright (C) 2006-2010 coresystems GmbH - * Copyright (C) 2014 Imagination Technologies - * - * 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/io.h> -#include <console/console.h> -#include <device/device.h> -#include <delay.h> -#include <uart.h> -#include <uart8250.h> - -/* Should support 8250, 16450, 16550, 16550A type UARTs */ - -/* Expected character delay at 1200bps is 9ms for a working UART - * and no flow-control. Assume UART as stuck if shift register - * or FIFO takes more than 50ms per character to appear empty. - */ -#define SINGLE_CHAR_TIMEOUT (50 * 1000) -#define FIFO_TIMEOUT (16 * SINGLE_CHAR_TIMEOUT) -#define UART_SHIFT 2 - -#define GEN_ACCESSOR(name, idx) \ -static inline uint8_t read_##name(unsigned base_port) \ -{ \ - return read8(base_port + (idx << UART_SHIFT)); \ -} \ - \ -static inline void write_##name(unsigned base_port, uint8_t val) \ -{ \ - write8(base_port + (idx << UART_SHIFT), val); \ -} - -GEN_ACCESSOR(rbr, UART8250_RBR) -GEN_ACCESSOR(tbr, UART8250_TBR) -GEN_ACCESSOR(ier, UART8250_IER) -GEN_ACCESSOR(fcr, UART8250_FCR) -GEN_ACCESSOR(lcr, UART8250_LCR) -GEN_ACCESSOR(mcr, UART8250_MCR) -GEN_ACCESSOR(lsr, UART8250_LSR) -GEN_ACCESSOR(dll, UART8250_DLL) -GEN_ACCESSOR(dlm, UART8250_DLM) - -static int uart8250_mem_can_tx_byte(unsigned base_port) -{ - return read_lsr(base_port) & UART8250_LSR_THRE; -} - -static void uart8250_mem_tx_byte(unsigned base_port, unsigned char data) -{ - unsigned long int i = SINGLE_CHAR_TIMEOUT; - while (i-- && !uart8250_mem_can_tx_byte(base_port)) - udelay(1); - write_tbr(base_port, data); -} - -static void uart8250_mem_tx_flush(unsigned base_port) -{ - unsigned long int i = FIFO_TIMEOUT; - while (i-- && !(read_lsr(base_port) & UART8250_LSR_TEMT)) - udelay(1); -} - -static int uart8250_mem_can_rx_byte(unsigned base_port) -{ - return read_lsr(base_port) & UART8250_LSR_DR; -} - -static unsigned char uart8250_mem_rx_byte(unsigned base_port) -{ - unsigned long int i = SINGLE_CHAR_TIMEOUT; - while (i-- && !uart8250_mem_can_rx_byte(base_port)) - udelay(1); - if (i) - return read_rbr(base_port); - else - return 0x0; -} - -static void uart8250_mem_init(unsigned base_port, unsigned divisor) -{ - /* Disable interrupts */ - write_ier(base_port, 0x0); - /* Enable FIFOs */ - write_fcr(base_port, UART8250_FCR_FIFO_EN); - - /* Assert DTR and RTS so the other end is happy */ - write_mcr(base_port, UART8250_MCR_DTR | UART8250_MCR_RTS); - - /* DLAB on */ - write_lcr(base_port, UART8250_LCR_DLAB | CONFIG_TTYS0_LCS); - - write_dll(base_port, divisor & 0xFF); - write_dlm(base_port, (divisor >> 8) & 0xFF); - - /* Set to 3 for 8N1 */ - write_lcr(base_port, CONFIG_TTYS0_LCS); -} - -static unsigned int uart_platform_refclk(void) -{ - /* TODO: this is entirely arbitrary */ - return 1000000; -} - -static unsigned int uart_platform_base(int idx) -{ - switch (idx) { - case 0: - return 0xb8101400; - - case 1: - return 0xb8101500; - - default: - return 0x0; - } -} - -/* Calculate divisor. Do not floor but round to nearest integer. */ -static unsigned int uart_baudrate_divisor(unsigned int baudrate, - unsigned int refclk, unsigned int oversample) -{ - return (1 + (2 * refclk) / (baudrate * oversample)) / 2; -} - -static void danube_uart_init(void) -{ - u32 base = uart_platform_base(0); - if (!base) - return; - - unsigned int div; - div = uart_baudrate_divisor(CONFIG_TTYS0_BAUD, - uart_platform_refclk(), 16); - uart8250_mem_init(base, div); -} - -static void danube_uart_tx_byte(unsigned char data) -{ - u32 base = uart_platform_base(0); - if (!base) - return; - uart8250_mem_tx_byte(base, data); -} - -static unsigned char danube_uart_rx_byte(void) -{ - u32 base = uart_platform_base(0); - if (!base) - return 0xff; - return uart8250_mem_rx_byte(base); -} - -static void danube_uart_tx_flush(void) -{ - u32 base = uart_platform_base(0); - if (!base) - return; - uart8250_mem_tx_flush(base); -} - -#if !defined(__PRE_RAM__) - -static const struct console_driver danube_uart_console __console = { - .init = danube_uart_init, - .tx_byte = danube_uart_tx_byte, - .tx_flush = danube_uart_tx_flush, - .rx_byte = danube_uart_rx_byte, -}; - -uint32_t uartmem_getbaseaddr(void) -{ - return uart_platform_base(0); -} - -#else /* __PRE_RAM__ */ - -void uart_init(void) -{ - danube_uart_init(); -} - -void uart_tx_byte(unsigned char data) -{ - danube_uart_tx_byte(data); -} - -unsigned char uart_rx_byte(void) -{ - return danube_uart_rx_byte(); -} - -void uart_tx_flush(void) -{ - danube_uart_tx_flush(); -} - -#endif /* __PRE_RAM__ */ |