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authorJoseph Smith <joe@settoplinux.org>2010-01-29 19:15:10 +0000
committerJoseph Smith <joe@smittys.pointclark.net>2010-01-29 19:15:10 +0000
commit89e45773a977da2c996221b74aef06596d345211 (patch)
tree1a2cd556600ac4f6add469ee48fc28c06d6ffe5e /src/mainboard/thomson/ip1000
parent6bba29f84a725c67f548290bb3a9832c793797cc (diff)
downloadcoreboot-89e45773a977da2c996221b74aef06596d345211.tar.xz
RCA RM4100 and Thomson IP1000 auto.c rework.
Signed-off-by: Joseph Smith <joe@settoplinux.org> Acked-by: Ronald G. Minnich <rminnich@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5064 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/thomson/ip1000')
-rw-r--r--src/mainboard/thomson/ip1000/auto.c55
1 files changed, 34 insertions, 21 deletions
diff --git a/src/mainboard/thomson/ip1000/auto.c b/src/mainboard/thomson/ip1000/auto.c
index 328b95203d..89454b37d7 100644
--- a/src/mainboard/thomson/ip1000/auto.c
+++ b/src/mainboard/thomson/ip1000/auto.c
@@ -1,7 +1,7 @@
/*
* This file is part of the coreboot project.
*
- * Copyright (C) 2008 Joseph Smith <joe@settoplinux.org>
+ * Copyright (C) 2010 Joseph Smith <joe@settoplinux.org>
*
* 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
@@ -45,7 +45,6 @@
#define SERIAL_DEV PNP_DEV(0x2e, SMSCSUPERIO_SP1)
#include "southbridge/intel/i82801xx/i82801xx_early_smbus.c"
-#include "southbridge/intel/i82801xx/i82801xx_early_lpc.c"
/**
* The onboard 64MB PC133 memory does not have a SPD EEPROM so the
@@ -73,18 +72,33 @@ static inline int spd_read_byte(unsigned device, unsigned address)
#include "lib/generic_sdram.c"
/**
- * The AC'97 Audio Controller I/O space registers are read only by default
- * so we need to enable them by setting register 0x41 to 0x01.
+ * Setup mainboard specific registers pre raminit.
*/
-static void ac97_io_enable(void)
+static void mb_early_setup(void)
{
- device_t dev;
-
- /* Set the ac97 audio device staticly. */
- dev = PCI_DEV(0x0, 0x1f, 0x5);
-
- /* Enable access to the IO space. */
- pci_write_config8(dev, 0x41, 0x01);
+ /* - Hub Interface to PCI Bridge Registers - */
+ /* 12-Clock Retry Enable */
+ pci_write_config16(PCI_DEV(0, 0x1e, 0), 0x50, 0x1402);
+ /* Master Latency Timer Count */
+ pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20);
+ /* I/O Address Base */
+ pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1c, 0xf0);
+
+ /* - LPC Interface Bridge Registers - */
+ /* Delayed Transaction Enable */
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), 0xd0, 0x00000002);
+ /* Disable the TCO Timer system reboot feature */
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xd4, 0x02);
+ /* CPU Frequency Strap */
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xd5, 0x02);
+ /* ACPI base address and enable Resource Indicator */
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, (PMBASE_ADDR | 1));
+ /* Enable the SMBUS */
+ enable_smbus();
+ /* ACPI base address and disable Resource Indicator */
+ pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, (PMBASE_ADDR));
+ /* ACPI Enable */
+ pci_write_config8(PCI_DEV(0, 0x1f, 0), ACPI_CNTL, 0x10);
}
static void main(unsigned long bist)
@@ -102,19 +116,20 @@ static void main(unsigned long bist)
hard_reset();
}
- smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ /* Set southbridge and superio gpios */
mb_gpio_init();
+
+ smscsuperio_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
uart_init();
console_init();
- enable_smbus();
-
- /* Prevent the TCO timer from rebooting us */
- i82801xx_halt_tco_timer();
-
/* Halt if there was a built in self test failure. */
report_bist_failure(bist);
+ /* Setup mainboard specific registers */
+ mb_early_setup();
+
+ /* SDRAM init */
sdram_set_registers(memctrl);
sdram_set_spd_registers(memctrl);
sdram_enable(0, memctrl);
@@ -122,6 +137,4 @@ static void main(unsigned long bist)
/* Check RAM. */
/* ram_check(0, 640 * 1024); */
/* ram_check(64512 * 1024, 65536 * 1024); */
-
- ac97_io_enable();
-}
+} \ No newline at end of file