diff options
Diffstat (limited to 'src/mainboard/intel/xe7501devkit/romstage.c')
-rw-r--r-- | src/mainboard/intel/xe7501devkit/romstage.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/mainboard/intel/xe7501devkit/romstage.c b/src/mainboard/intel/xe7501devkit/romstage.c new file mode 100644 index 0000000000..7269fa8d43 --- /dev/null +++ b/src/mainboard/intel/xe7501devkit/romstage.c @@ -0,0 +1,94 @@ +#define ASSEMBLY 1 +#define __PRE_RAM__ + +#include <stdint.h> +#include <device/pci_def.h> +#include <arch/io.h> +#include <device/pnp_def.h> +#include <arch/romcc_io.h> +#include <cpu/x86/lapic.h> +#include <arch/cpu.h> +#include <stdlib.h> +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include "lib/ramtest.c" +#include "southbridge/intel/i82801ca/i82801ca_early_smbus.c" +#include "northbridge/intel/e7501/raminit.h" +#include "cpu/x86/lapic/boot_cpu.c" +#include "northbridge/intel/e7501/debug.c" +#include "superio/smsc/lpc47b272/lpc47b272_early_serial.c" +#include "cpu/x86/mtrr/earlymtrr.c" +#include "cpu/x86/bist.h" + +#define SUPERIO_PORT 0x2e +#define SERIAL_DEV PNP_DEV(SUPERIO_PORT, LPC47B272_SP1) + +static void hard_reset(void) +{ + outb(0x0e, 0x0cf9); +} + +static inline void activate_spd_rom(const struct mem_controller *ctrl) +{ + /* nothing to do */ +} + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/intel/e7501/raminit.c" +#include "northbridge/intel/e7501/reset_test.c" +#include "lib/generic_sdram.c" + + +// This function MUST appear last (ROMCC limitation) +static void main(unsigned long bist) +{ + static const struct mem_controller memctrl[] = { + { + .d0 = PCI_DEV(0, 0, 0), + .d0f1 = PCI_DEV(0, 0, 1), + .channel0 = { (0xa<<3)|0, (0xa<<3)|1, (0xa<<3)|2, 0 }, + .channel1 = { (0xa<<3)|4, (0xa<<3)|5, (0xa<<3)|6, 0 }, + }, + }; + + if (bist == 0) + { + // Skip this if there was a built in self test failure + + early_mtrr_init(); + enable_lapic(); + } + + // Get the serial port running and print a welcome banner + + lpc47b272_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + uart_init(); + console_init(); + + // Halt if there was a built in self test failure + report_bist_failure(bist); + +// print_pci_devices(); + + // If this is a warm boot, some initialization can be skipped + + if (!bios_reset_detected()) + { + enable_smbus(); +// dump_spd_registers(&memctrl[0]); +// dump_smbus_registers(); + +// memreset_setup(); No-op for this chipset + sdram_initialize(ARRAY_SIZE(memctrl), memctrl); + } + + // NOTE: ROMCC dies with an internal compiler error + // if the following line is removed. + print_debug("SDRAM is up.\r\n"); +} |