diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/xgi/common/vb_init.c | 6 | ||||
| -rwxr-xr-x | src/drivers/xgi/common/xgi_coreboot.c | 27 | ||||
| -rw-r--r-- | src/drivers/xgi/common/xgi_coreboot.h | 2 | ||||
| -rw-r--r-- | src/drivers/xgi/z9s/z9s.c | 11 |
4 files changed, 36 insertions, 10 deletions
diff --git a/src/drivers/xgi/common/vb_init.c b/src/drivers/xgi/common/vb_init.c index 2b81605752..a2fbc805b2 100644 --- a/src/drivers/xgi/common/vb_init.c +++ b/src/drivers/xgi/common/vb_init.c @@ -1,8 +1,11 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering + * * File taken from the Linux xgifb driver (v3.18.5) * Coreboot-specific includes added at top + * XGINew_SetDRAMSize_340 slightly modified for coreboot text mode * * 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 @@ -854,7 +857,8 @@ static void XGINew_SetDRAMSize_340(struct xgifb_video_info *xgifb_info, pVBInfo->FBAddr = HwDeviceExtension->pjVideoMemoryAddress; - XGISetModeNew(xgifb_info, HwDeviceExtension, 0x2e); + if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) + XGISetModeNew(xgifb_info, HwDeviceExtension, 0x2e); data = xgifb_reg_get(pVBInfo->P3c4, 0x21); /* disable read cache */ diff --git a/src/drivers/xgi/common/xgi_coreboot.c b/src/drivers/xgi/common/xgi_coreboot.c index 84ed81abd1..a4abe71fa0 100755 --- a/src/drivers/xgi/common/xgi_coreboot.c +++ b/src/drivers/xgi/common/xgi_coreboot.c @@ -123,12 +123,14 @@ int xgifb_probe(struct pci_dev *pdev, struct xgifb_video_info *xgifb_info) xgifb_info->video_size = video_size_max; } - /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ - xgifb_reg_or(XGISR, - IND_SIS_PCI_ADDRESS_SET, - (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); - /* Enable 2D accelerator engine */ - xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D); + if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) { + /* Enable PCI_LINEAR_ADDRESSING and MMIO_ENABLE */ + xgifb_reg_or(XGISR, + IND_SIS_PCI_ADDRESS_SET, + (SIS_PCI_ADDR_ENABLE | SIS_MEM_MAP_IO_ENABLE)); + /* Enable 2D accelerator engine */ + xgifb_reg_or(XGISR, IND_SIS_MODULE_ENABLE, SIS_ENABLE_2D); + } hw_info->ulVideoMemorySize = xgifb_info->video_size; @@ -265,7 +267,10 @@ int xgifb_probe(struct pci_dev *pdev, struct xgifb_video_info *xgifb_info) xgifb_info->mode_idx = XGIfb_GetXG21DefaultLVDSModeIdx(xgifb_info); else - xgifb_info->mode_idx = DEFAULT_MODE; + if (IS_ENABLED(CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT)) + xgifb_info->mode_idx = DEFAULT_MODE; + else + xgifb_info->mode_idx = DEFAULT_TEXT_MODE; } if (xgifb_info->mode_idx < 0) { @@ -406,10 +411,16 @@ int xgifb_modeset(struct pci_dev *pdev, struct xgifb_video_info *xgifb_info) } #else /* FIXME - * Text mode does not work + * Text mode is slightly unstable/jittery (bad/incomplete DDR init?) */ + + /* Initialize standard VGA text mode */ vga_io_init(); vga_textmode_init(); + printk(BIOS_INFO, "XGI VGA text mode initialized\n"); + + /* if we don't have console, at least print something... */ + vga_line_write(0, "XGI VGA text mode initialized"); #endif return 0; diff --git a/src/drivers/xgi/common/xgi_coreboot.h b/src/drivers/xgi/common/xgi_coreboot.h index 524615ccaf..b616751c81 100644 --- a/src/drivers/xgi/common/xgi_coreboot.h +++ b/src/drivers/xgi/common/xgi_coreboot.h @@ -208,6 +208,8 @@ enum _SIS_LCD_TYPE { /* End code taken from Linux kernel 3.18.5 */ +#define DEFAULT_TEXT_MODE 16 /* index for 800x600x8 */ + /* coreboot <--> kernel code interface */ #define __iomem #define SISIOMEMTYPE diff --git a/src/drivers/xgi/z9s/z9s.c b/src/drivers/xgi/z9s/z9s.c index 095489ed8c..eaf04df55a 100644 --- a/src/drivers/xgi/z9s/z9s.c +++ b/src/drivers/xgi/z9s/z9s.c @@ -31,6 +31,15 @@ #include "../common/xgi_coreboot.h" #include "../common/XGIfb.h" +static void xgi_z9s_set_resources(device_t dev) +{ + /* Reserve VGA regions */ + mmio_resource(dev, 3, 0xa0000 >> 10, 0x1ffff >> 10); + + /* Run standard resource set routine */ + pci_dev_set_resources(dev); +} + static void xgi_z9s_init(struct device *dev) { u8 ret; @@ -46,7 +55,7 @@ static void xgi_z9s_init(struct device *dev) static struct device_operations xgi_z9s_ops = { .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, + .set_resources = xgi_z9s_set_resources, .enable_resources = pci_dev_enable_resources, .init = xgi_z9s_init, .scan_bus = 0, |