diff options
Diffstat (limited to 'src/mainboard/lippert/toucan-af/mainboard.c')
| -rw-r--r-- | src/mainboard/lippert/toucan-af/mainboard.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/mainboard/lippert/toucan-af/mainboard.c b/src/mainboard/lippert/toucan-af/mainboard.c index 99e1c306a2..27952fa33d 100644 --- a/src/mainboard/lippert/toucan-af/mainboard.c +++ b/src/mainboard/lippert/toucan-af/mainboard.c @@ -17,6 +17,7 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ +#include <stdlib.h> #include <console/console.h> #include <device/device.h> #include <device/pci.h> @@ -29,6 +30,76 @@ #include <cpu/amd/agesa/s3_resume.h> #include <cpu/amd/mtrr.h> #include "SBPLATFORM.h" +#include "OEM.h" /* SMBUS0_BASE_ADDRESS */ + +/* Write data block to slave on SMBUS0. */ +#define SMB0_STATUS ((SMBUS0_BASE_ADDRESS) + 0) +#define SMB0_CONTROL ((SMBUS0_BASE_ADDRESS) + 2) +#define SMB0_HOSTCMD ((SMBUS0_BASE_ADDRESS) + 3) +#define SMB0_ADDRESS ((SMBUS0_BASE_ADDRESS) + 4) +#define SMB0_DATA0 ((SMBUS0_BASE_ADDRESS) + 5) +#define SMB0_BLOCKDATA ((SMBUS0_BASE_ADDRESS) + 7) +static int smb_write_blk(u8 slave, u8 command, u8 length, const u8 *data) +{ + __outbyte(SMB0_STATUS, 0x1E); // clear error status + __outbyte(SMB0_ADDRESS, slave & ~1); // slave addr + direction=out + __outbyte(SMB0_HOSTCMD, command); // or destination offset + __outbyte(SMB0_DATA0, length); // sent before data + __inbyte(SMB0_CONTROL); // reset block data array + while (length--) + __outbyte(SMB0_BLOCKDATA, *(data++)); + __outbyte(SMB0_CONTROL, 0x54); // execute block write, no IRQ + + while (__inbyte(SMB0_STATUS) == 0x01) ; // busy, no errors + return __inbyte(SMB0_STATUS) ^ 0x02; // 0x02 = completed, no errors +} + +static void init(struct device *dev) +{ + int i; + printk(BIOS_DEBUG, CONFIG_MAINBOARD_PART_NUMBER " ENTER %s\n", __func__); + + /* Init Hudson GPIOs. */ + printk(BIOS_DEBUG, "Init FCH GPIOs @ 0x%08x\n", ACPI_MMIO_BASE+GPIO_BASE); + FCH_IOMUX( 50) = 2; // GPIO50: FCH_ARST#_GATE resets stuck PCIe devices + FCH_GPIO ( 50) = 0xC0; // = output set to 1 as it's never needed + FCH_IOMUX(197) = 2; // GPIO197: BIOS_DEFAULTS# + FCH_GPIO (197) = 0x28; // = input, disable int. pull-up + FCH_IOMUX( 56) = 1; // GPIO58-56: REV_ID2-0 + FCH_GPIO ( 56) = 0x28; // = inputs, disable int. pull-ups + FCH_IOMUX( 57) = 1; + FCH_GPIO ( 57) = 0x28; + FCH_IOMUX( 58) = 1; + FCH_GPIO ( 58) = 0x28; + FCH_IOMUX(187) = 2; // GPIO187,188,166,GPO160: GPO0-3 on COM Express connector + FCH_GPIO (187) = 0x08; // = outputs, disable PUs, default to 0 + FCH_IOMUX(188) = 2; + FCH_GPIO (188) = 0x08; + FCH_IOMUX(166) = 2; + FCH_GPIO (166) = 0x08; + // needed to make GPO160 work (Hudson Register Reference section 2.3.6.1) + FCH_PMIO(0xDC) &= ~0x80; FCH_PMIO(0xE6) = (FCH_PMIO(0xE6) & ~0x02) | 0x01; + FCH_IOMUX(160) = 1; + FCH_GPIO (160) = 0x08; + FCH_IOMUX(189) = 1; // GPIO189-192: GPI0-3 on COM Express connector + FCH_IOMUX(190) = 1; // default to inputs with int. PU + FCH_IOMUX(191) = 1; + FCH_IOMUX(192) = 1; + if (!fch_gpio_state(197)) // just in case anyone cares + printk(BIOS_INFO, "BIOS_DEFAULTS jumper is present.\n"); + printk(BIOS_INFO, "Board revision ID: %u\n", + fch_gpio_state(58)<<2 | fch_gpio_state(57)<<1 | fch_gpio_state(56)); + + /* Notify the SMC we're alive and kicking, or after a while it will + * effect a power cycle and switch to the alternate BIOS chip. + * Should be done as late as possible. */ + printk(BIOS_INFO, "Sending BIOS alive message\n"); + const u8 i_am_alive[] = { 0x03 }; //bit2=SEL_DP0: 0=DDI2, 1=LVDS + if ((i = smb_write_blk(0x50, 0x25, sizeof(i_am_alive), i_am_alive))) + printk(BIOS_ERR, "smb_write_blk failed: %d\n", i); + + printk(BIOS_DEBUG, CONFIG_MAINBOARD_PART_NUMBER " EXIT %s\n", __func__); +} void set_pcie_reset(void); void set_pcie_dereset(void); @@ -56,6 +127,7 @@ void set_pcie_dereset(void) static void mainboard_enable(device_t dev) { printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); + dev->ops->init = init; /* * The mainboard is the first place that we get control in ramstage. Check |