diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/Makefile | 1 | ||||
-rw-r--r-- | drivers/mmc/pci_mmc.c | 42 | ||||
-rw-r--r-- | drivers/pci/pci.c | 43 | ||||
-rw-r--r-- | drivers/pci/pci_rom.c | 32 | ||||
-rw-r--r-- | drivers/spi/ich.c | 59 | ||||
-rw-r--r-- | drivers/spi/ich.h | 11 | ||||
-rw-r--r-- | drivers/usb/host/Makefile | 1 | ||||
-rw-r--r-- | drivers/usb/host/ehci-pci.c | 53 | ||||
-rw-r--r-- | drivers/usb/host/xhci-pci.c | 60 | ||||
-rw-r--r-- | drivers/video/vesa_fb.c | 9 |
10 files changed, 228 insertions, 83 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile index 4ba5878..ed73687 100644 --- a/drivers/mmc/Makefile +++ b/drivers/mmc/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_MVEBU_MMC) += mvebu_mmc.o obj-$(CONFIG_MXC_MMC) += mxcmmc.o obj-$(CONFIG_MXS_MMC) += mxsmmc.o obj-$(CONFIG_OMAP_HSMMC) += omap_hsmmc.o +obj-$(CONFIG_X86) += pci_mmc.o obj-$(CONFIG_PXA_MMC_GENERIC) += pxa_mmc_gen.o obj-$(CONFIG_SUPPORT_EMMC_RPMB) += rpmb.o obj-$(CONFIG_S3C_SDI) += s3c_sdi.o diff --git a/drivers/mmc/pci_mmc.c b/drivers/mmc/pci_mmc.c new file mode 100644 index 0000000..37171bf --- /dev/null +++ b/drivers/mmc/pci_mmc.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2015, Google, Inc + * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <malloc.h> +#include <sdhci.h> +#include <asm/pci.h> + +int pci_mmc_init(const char *name, struct pci_device_id *mmc_supported, + int num_ids) +{ + struct sdhci_host *mmc_host; + pci_dev_t devbusfn; + u32 iobase; + int ret; + int i; + + for (i = 0; i < num_ids; i++) { + devbusfn = pci_find_devices(mmc_supported, i); + if (devbusfn == -1) + return -ENODEV; + + mmc_host = malloc(sizeof(struct sdhci_host)); + if (!mmc_host) + return -ENOMEM; + + mmc_host->name = (char *)name; + pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &iobase); + mmc_host->ioaddr = (void *)iobase; + mmc_host->quirks = 0; + ret = add_sdhci(mmc_host, 0, 0); + if (ret) + return ret; + } + + return 0; +} diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 950a247..e1296ca 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -15,6 +15,7 @@ #include <common.h> #include <command.h> +#include <errno.h> #include <asm/processor.h> #include <asm/io.h> #include <pci.h> @@ -236,6 +237,48 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) return -1; } +pci_dev_t pci_find_class(uint find_class, int index) +{ + int bus; + int devnum; + pci_dev_t bdf; + uint32_t class; + + for (bus = 0; bus <= pci_last_busno(); bus++) { + for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES - 1; devnum++) { + pci_read_config_dword(PCI_BDF(bus, devnum, 0), + PCI_CLASS_REVISION, &class); + if (class >> 16 == 0xffff) + continue; + + for (bdf = PCI_BDF(bus, devnum, 0); + bdf <= PCI_BDF(bus, devnum, + PCI_MAX_PCI_FUNCTIONS - 1); + bdf += PCI_BDF(0, 0, 1)) { + pci_read_config_dword(bdf, PCI_CLASS_REVISION, + &class); + class >>= 8; + + if (class != find_class) + continue; + /* + * Decrement the index. We want to return the + * correct device, so index is 0 for the first + * matching device, 1 for the second, etc. + */ + if (index) { + index--; + continue; + } + /* Return index'th controller. */ + return bdf; + } + } + } + + return -ENODEV; +} + pci_dev_t pci_find_device(unsigned int vendor, unsigned int device, int index) { struct pci_device_id ids[2] = { {}, {0, 0} }; diff --git a/drivers/pci/pci_rom.c b/drivers/pci/pci_rom.c index 5729a15..48c0a77 100644 --- a/drivers/pci/pci_rom.c +++ b/drivers/pci/pci_rom.c @@ -228,11 +228,12 @@ int vbe_get_video_info(struct graphic_device *gdev) #endif } -int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) +int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), int exec_method) { struct pci_rom_header *rom, *ram; int vesa_mode = -1; uint16_t class; + bool emulate; int ret; /* Only execute VGA ROMs */ @@ -262,6 +263,29 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) vesa_mode = CONFIG_FRAMEBUFFER_VESA_MODE; #endif debug("Selected vesa mode %#x\n", vesa_mode); + + if (exec_method & PCI_ROM_USE_NATIVE) { +#ifdef CONFIG_X86 + emulate = false; +#else + if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) { + printf("BIOS native execution is only available on x86\n"); + return -ENOSYS; + } + emulate = true; +#endif + } else { +#ifdef CONFIG_BIOSEMU + emulate = true; +#else + if (!(exec_method & PCI_ROM_ALLOW_FALLBACK)) { + printf("BIOS emulation not available - see CONFIG_BIOSEMU\n"); + return -ENOSYS; + } + emulate = false; +#endif + } + if (emulate) { #ifdef CONFIG_BIOSEMU BE_VGAInfo *info; @@ -274,9 +298,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) vesa_mode, &mode_info); if (ret) return ret; -#else - printf("BIOS emulation not available - see CONFIG_BIOSEMU\n"); - return -ENOSYS; #endif } else { #ifdef CONFIG_X86 @@ -284,9 +305,6 @@ int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate) bios_run_on_x86(dev, (unsigned long)ram, vesa_mode, &mode_info); -#else - printf("BIOS native execution is only available on x86\n"); - return -ENOSYS; #endif } debug("Final vesa mode %#x\n", mode_info.video_mode); diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c index fdff158..194e882 100644 --- a/drivers/spi/ich.c +++ b/drivers/spi/ich.c @@ -7,6 +7,7 @@ */ #include <common.h> +#include <errno.h> #include <malloc.h> #include <spi.h> #include <pci.h> @@ -21,6 +22,7 @@ struct ich_ctlr { pci_dev_t dev; /* PCI device number */ int ich_version; /* Controller version, 7 or 9 */ + bool use_sbase; /* Use SBASE instead of RCB */ int ichspi_lock; int locked; uint8_t *opmenu; @@ -145,7 +147,7 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, * ICH 7 SPI controller only supports array read command * and byte program command for SST flash */ - if (ctlr.ich_version == 7) { + if (ctlr.ich_version == 7 || ctlr.use_sbase) { ich->slave.op_mode_rx = SPI_OPM_RX_AS; ich->slave.op_mode_tx = SPI_OPM_TX_BP; } @@ -175,13 +177,15 @@ void spi_free_slave(struct spi_slave *slave) static int get_ich_version(uint16_t device_id) { if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC || - device_id == PCI_DEVICE_ID_INTEL_ITC_LPC) + device_id == PCI_DEVICE_ID_INTEL_ITC_LPC || + device_id == PCI_DEVICE_ID_INTEL_QRK_ILB) return 7; if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN && device_id <= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MAX) || (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN && - device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX)) + device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX) || + device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC) return 9; return 0; @@ -204,14 +208,14 @@ static int ich9_can_do_33mhz(pci_dev_t dev) return speed == 1; } -static int ich_find_spi_controller(pci_dev_t *devp, int *ich_versionp) +static int ich_find_spi_controller(struct ich_ctlr *ich) { int last_bus = pci_last_busno(); int bus; if (last_bus == -1) { debug("No PCI busses?\n"); - return -1; + return -ENODEV; } for (bus = 0; bus <= last_bus; bus++) { @@ -225,24 +229,33 @@ static int ich_find_spi_controller(pci_dev_t *devp, int *ich_versionp) device_id = ids >> 16; if (vendor_id == PCI_VENDOR_ID_INTEL) { - *devp = dev; - *ich_versionp = get_ich_version(device_id); - return 0; + ich->dev = dev; + ich->ich_version = get_ich_version(device_id); + if (device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC) + ich->use_sbase = true; + return ich->ich_version == 0 ? -ENODEV : 0; } } debug("ICH SPI: No ICH found.\n"); - return -1; + return -ENODEV; } static int ich_init_controller(struct ich_ctlr *ctlr) { uint8_t *rcrb; /* Root Complex Register Block */ uint32_t rcba; /* Root Complex Base Address */ + uint32_t sbase_addr; + uint8_t *sbase; pci_read_config_dword(ctlr->dev, 0xf0, &rcba); /* Bits 31-14 are the base address, 13-1 are reserved, 0 is enable. */ rcrb = (uint8_t *)(rcba & 0xffffc000); + + /* SBASE is similar */ + pci_read_config_dword(ctlr->dev, 0x54, &sbase_addr); + sbase = (uint8_t *)(sbase_addr & 0xfffffe00); + if (ctlr->ich_version == 7) { struct ich7_spi_regs *ich7_spi; @@ -262,7 +275,10 @@ static int ich_init_controller(struct ich_ctlr *ctlr) } else if (ctlr->ich_version == 9) { struct ich9_spi_regs *ich9_spi; - ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800); + if (ctlr->use_sbase) + ich9_spi = (struct ich9_spi_regs *)sbase; + else + ich9_spi = (struct ich9_spi_regs *)(rcrb + 0x3800); ctlr->ichspi_lock = ich_readw(&ich9_spi->hsfs) & HSFS_FLOCKDN; ctlr->opmenu = ich9_spi->opmenu; ctlr->menubytes = sizeof(ich9_spi->opmenu); @@ -282,12 +298,13 @@ static int ich_init_controller(struct ich_ctlr *ctlr) ctlr->ich_version); return -1; } - debug("ICH SPI: Version %d detected\n", ctlr->ich_version); /* Work out the maximum speed we can support */ ctlr->max_speed = 20000000; if (ctlr->ich_version == 9 && ich9_can_do_33mhz(ctlr->dev)) ctlr->max_speed = 33000000; + debug("ICH SPI: Version %d detected at %p, speed %ld\n", + ctlr->ich_version, ctlr->base, ctlr->max_speed); ich_set_bbar(ctlr, 0); @@ -298,7 +315,7 @@ void spi_init(void) { uint8_t bios_cntl; - if (ich_find_spi_controller(&ctlr.dev, &ctlr.ich_version)) { + if (ich_find_spi_controller(&ctlr)) { printf("ICH SPI: Cannot find device\n"); return; } @@ -312,10 +329,20 @@ void spi_init(void) * Disable the BIOS write protect so write commands are allowed. On * v9, deassert SMM BIOS Write Protect Disable. */ - pci_read_config_byte(ctlr.dev, 0xdc, &bios_cntl); - if (ctlr.ich_version == 9) - bios_cntl &= ~(1 << 5); - pci_write_config_byte(ctlr.dev, 0xdc, bios_cntl | 0x1); + if (ctlr.use_sbase) { + struct ich9_spi_regs *ich9_spi; + + ich9_spi = (struct ich9_spi_regs *)ctlr.base; + bios_cntl = ich_readb(&ich9_spi->bcr); + bios_cntl &= ~(1 << 5); /* clear Enable InSMM_STS (EISS) */ + bios_cntl |= 1; /* Write Protect Disable (WPD) */ + ich_writeb(bios_cntl, &ich9_spi->bcr); + } else { + pci_read_config_byte(ctlr.dev, 0xdc, &bios_cntl); + if (ctlr.ich_version == 9) + bios_cntl &= ~(1 << 5); + pci_write_config_byte(ctlr.dev, 0xdc, bios_cntl | 0x1); + } } int spi_claim_bus(struct spi_slave *slave) diff --git a/drivers/spi/ich.h b/drivers/spi/ich.h index d2e4b85..1419b23 100644 --- a/drivers/spi/ich.h +++ b/drivers/spi/ich.h @@ -37,18 +37,19 @@ struct ich9_spi_regs { uint8_t opmenu[8]; /* 0x98 */ uint32_t bbar; uint8_t _reserved3[12]; - uint32_t fdoc; + uint32_t fdoc; /* 0xb0 */ uint32_t fdod; uint8_t _reserved4[8]; - uint32_t afc; + uint32_t afc; /* 0xc0 */ uint32_t lvscc; uint32_t uvscc; uint8_t _reserved5[4]; - uint32_t fpb; + uint32_t fpb; /* 0xd0 */ uint8_t _reserved6[28]; - uint32_t srdl; + uint32_t srdl; /* 0xf0 */ uint32_t srdc; - uint32_t srd; + uint32_t scs; + uint32_t bcr; } __packed; enum { diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index c11b551..66d6e9a 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -47,6 +47,7 @@ obj-$(CONFIG_USB_XHCI) += xhci.o xhci-mem.o xhci-ring.o obj-$(CONFIG_USB_XHCI_KEYSTONE) += xhci-keystone.o obj-$(CONFIG_USB_XHCI_EXYNOS) += xhci-exynos5.o obj-$(CONFIG_USB_XHCI_OMAP) += xhci-omap.o +obj-$(CONFIG_USB_XHCI_PCI) += xhci-pci.o # designware obj-$(CONFIG_USB_DWC2) += dwc2.o diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 991b199..b9eabc5 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -34,57 +34,6 @@ static struct pci_device_id ehci_pci_ids[] = { {0, 0} }; #else -static pci_dev_t ehci_find_class(int index) -{ - int bus; - int devnum; - pci_dev_t bdf; - uint32_t class; - - for (bus = 0; bus <= pci_last_busno(); bus++) { - for (devnum = 0; devnum < PCI_MAX_PCI_DEVICES-1; devnum++) { - pci_read_config_dword(PCI_BDF(bus, devnum, 0), - PCI_CLASS_REVISION, &class); - if (class >> 16 == 0xffff) - continue; - - for (bdf = PCI_BDF(bus, devnum, 0); - bdf <= PCI_BDF(bus, devnum, - PCI_MAX_PCI_FUNCTIONS - 1); - bdf += PCI_BDF(0, 0, 1)) { - pci_read_config_dword(bdf, PCI_CLASS_REVISION, - &class); - class >>= 8; - /* - * Here be dragons! In case we have multiple - * PCI EHCI controllers, this function will - * be called multiple times as well. This - * function will scan the PCI busses, always - * starting from bus 0, device 0, function 0, - * until it finds an USB controller. The USB - * stack gives us an 'index' of a controller - * that is currently being registered, which - * is a number, starting from 0 and growing - * in ascending order as controllers are added. - * To avoid probing the same controller in tne - * subsequent runs of this function, we will - * skip 'index - 1' detected controllers and - * report the index'th controller. - */ - if (class != PCI_CLASS_SERIAL_USB_EHCI) - continue; - if (index) { - index--; - continue; - } - /* Return index'th controller. */ - return bdf; - } - } - } - - return -ENODEV; -} #endif /* @@ -102,7 +51,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, #ifdef CONFIG_PCI_EHCI_DEVICE pdev = pci_find_devices(ehci_pci_ids, CONFIG_PCI_EHCI_DEVICE); #else - pdev = ehci_find_class(index); + pdev = pci_find_class(PCI_CLASS_SERIAL_USB_EHCI, index); #endif if (pdev < 0) { printf("EHCI host controller not found\n"); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c new file mode 100644 index 0000000..361fcce --- /dev/null +++ b/drivers/usb/host/xhci-pci.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 2015, Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * All rights reserved. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <errno.h> +#include <pci.h> +#include <usb.h> + +#include "xhci.h" + +/* + * Create the appropriate control structures to manage a new XHCI host + * controller. + */ +int xhci_hcd_init(int index, struct xhci_hccr **ret_hccr, + struct xhci_hcor **ret_hcor) +{ + struct xhci_hccr *hccr; + struct xhci_hcor *hcor; + pci_dev_t pdev; + uint32_t cmd; + int len; + + pdev = pci_find_class(PCI_CLASS_SERIAL_USB_XHCI, index); + if (pdev < 0) { + printf("XHCI host controller not found\n"); + return -1; + } + + hccr = (struct xhci_hccr *)pci_map_bar(pdev, + PCI_BASE_ADDRESS_0, PCI_REGION_MEM); + len = HC_LENGTH(xhci_readl(&hccr->cr_capbase)); + hcor = (struct xhci_hcor *)((uint32_t)hccr + len); + + debug("XHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n", + (uint32_t)hccr, (uint32_t)hcor, len); + + *ret_hccr = hccr; + *ret_hcor = hcor; + + /* enable busmaster */ + pci_read_config_dword(pdev, PCI_COMMAND, &cmd); + cmd |= PCI_COMMAND_MASTER; + pci_write_config_dword(pdev, PCI_COMMAND, cmd); + + return 0; +} + +/* + * Destroy the appropriate control structures corresponding * to the XHCI host + * controller + */ +void xhci_hcd_stop(int index) +{ +} diff --git a/drivers/video/vesa_fb.c b/drivers/video/vesa_fb.c index 3dacafd..47f824a 100644 --- a/drivers/video/vesa_fb.c +++ b/drivers/video/vesa_fb.c @@ -23,6 +23,7 @@ struct pci_device_id vesa_video_ids[] = { { .vendor = 0x1002, .device = 0x5159 }, { .vendor = 0x1002, .device = 0x4752 }, { .vendor = 0x1002, .device = 0x5452 }, + { .vendor = 0x8086, .device = 0x0f31 }, {}, }; @@ -41,8 +42,10 @@ void *video_hw_init(void) printf("no card detected\n"); return NULL; } - printf("bdf %x\n", dev); - ret = pci_run_vga_bios(dev, NULL, true); + bootstage_start(BOOTSTAGE_ID_ACCUM_LCD, "vesa display"); + ret = pci_run_vga_bios(dev, NULL, PCI_ROM_USE_NATIVE | + PCI_ROM_ALLOW_FALLBACK); + bootstage_accum(BOOTSTAGE_ID_ACCUM_LCD); if (ret) { printf("failed to run video BIOS: %d\n", ret); return NULL; @@ -58,7 +61,7 @@ void *video_hw_init(void) sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY, bits_per_pixel); printf("%s\n", gdev->modeIdent); - debug("Framex buffer at %x\n", gdev->pciBase); + debug("Frame buffer at %x\n", gdev->pciBase); return (void *)gdev; } |