diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpio/intel_ich6_gpio.c | 257 | ||||
-rw-r--r-- | drivers/pci/pci.c | 66 | ||||
-rw-r--r-- | drivers/pci/pci_auto.c | 15 | ||||
-rw-r--r-- | drivers/pci/pci_common.c | 70 | ||||
-rw-r--r-- | drivers/video/Kconfig | 139 |
5 files changed, 433 insertions, 114 deletions
diff --git a/drivers/gpio/intel_ich6_gpio.c b/drivers/gpio/intel_ich6_gpio.c index 7e679a086e..8a108f3805 100644 --- a/drivers/gpio/intel_ich6_gpio.c +++ b/drivers/gpio/intel_ich6_gpio.c @@ -44,21 +44,28 @@ struct ich6_bank_priv { uint16_t lvl; }; +#define GPIO_USESEL_OFFSET(x) (x) +#define GPIO_IOSEL_OFFSET(x) (x + 4) +#define GPIO_LVL_OFFSET(x) (x + 8) + +#define IOPAD_MODE_MASK 0x7 +#define IOPAD_PULL_ASSIGN_SHIFT 7 +#define IOPAD_PULL_ASSIGN_MASK (0x3 << IOPAD_PULL_ASSIGN_SHIFT) +#define IOPAD_PULL_STRENGTH_SHIFT 9 +#define IOPAD_PULL_STRENGTH_MASK (0x3 << IOPAD_PULL_STRENGTH_SHIFT) + /* TODO: Move this to device tree, or platform data */ void ich_gpio_set_gpio_map(const struct pch_gpio_map *map) { gd->arch.gpio_map = map; } -static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) +static int gpio_ich6_get_base(unsigned long base) { - struct ich6_bank_platdata *plat = dev_get_platdata(dev); pci_dev_t pci_dev; /* handle for 0:1f:0 */ u8 tmpbyte; u16 tmpword; u32 tmplong; - u16 gpiobase; - int offset; /* Where should it be? */ pci_dev = PCI_BDF(0, 0x1f, 0); @@ -123,9 +130,9 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) * while on the Ivybridge the bit0 is used to indicate it is an * I/O space. */ - tmplong = x86_pci_read_config32(pci_dev, PCI_CFG_GPIOBASE); + tmplong = x86_pci_read_config32(pci_dev, base); if (tmplong == 0x00000000 || tmplong == 0xffffffff) { - debug("%s: unexpected GPIOBASE value\n", __func__); + debug("%s: unexpected BASE value\n", __func__); return -ENODEV; } @@ -135,7 +142,215 @@ static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) * at the offset that we just read. Bit 0 indicates that it's * an I/O address, not a memory address, so mask that off. */ - gpiobase = tmplong & 0xfffe; + return tmplong & 0xfffc; +} + +static int _ich6_gpio_set_value(uint16_t base, unsigned offset, int value) +{ + u32 val; + + val = inl(base); + if (value) + val |= (1UL << offset); + else + val &= ~(1UL << offset); + outl(val, base); + + return 0; +} + +static int _ich6_gpio_set_function(uint16_t base, unsigned offset, int func) +{ + u32 val; + + if (func) { + val = inl(base); + val |= (1UL << offset); + outl(val, base); + } else { + val = inl(base); + val &= ~(1UL << offset); + outl(val, base); + } + + return 0; +} + +static int _ich6_gpio_set_direction(uint16_t base, unsigned offset, int dir) +{ + u32 val; + + if (!dir) { + val = inl(base); + val |= (1UL << offset); + outl(val, base); + } else { + val = inl(base); + val &= ~(1UL << offset); + outl(val, base); + } + + return 0; +} + +static int _gpio_ich6_pinctrl_cfg_pin(s32 gpiobase, s32 iobase, int pin_node) +{ + u32 gpio_offset[2]; + int pad_offset; + int val; + int ret; + const void *prop; + + /* + * GPIO node is not mandatory, so we only do the + * pinmuxing if the node exist. + */ + ret = fdtdec_get_int_array(gd->fdt_blob, pin_node, "gpio-offset", + gpio_offset, 2); + if (!ret) { + /* Do we want to force the GPIO mode? */ + prop = fdt_getprop(gd->fdt_blob, pin_node, "mode-gpio", + NULL); + if (prop) + _ich6_gpio_set_function(GPIO_USESEL_OFFSET + (gpiobase) + + gpio_offset[0], + gpio_offset[1], 1); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "direction", -1); + if (val != -1) + _ich6_gpio_set_direction(GPIO_IOSEL_OFFSET + (gpiobase) + + gpio_offset[0], + gpio_offset[1], val); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "output-value", -1); + if (val != -1) + _ich6_gpio_set_value(GPIO_LVL_OFFSET(gpiobase) + + gpio_offset[0], + gpio_offset[1], val); + } + + /* if iobase is present, let's configure the pad */ + if (iobase != -1) { + int iobase_addr; + + /* + * The offset for the same pin for the IOBASE and GPIOBASE are + * different, so instead of maintaining a lookup table, + * the device tree should provide directly the correct + * value for both mapping. + */ + pad_offset = + fdtdec_get_int(gd->fdt_blob, pin_node, "pad-offset", -1); + if (pad_offset == -1) { + debug("%s: Invalid register io offset %d\n", + __func__, pad_offset); + return -EINVAL; + } + + /* compute the absolute pad address */ + iobase_addr = iobase + pad_offset; + + /* + * Do we need to set a specific function mode? + * If someone put also 'mode-gpio', this option will + * be just ignored by the controller + */ + val = fdtdec_get_int(gd->fdt_blob, pin_node, "mode-func", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, IOPAD_MODE_MASK, val); + + /* Configure the pull-up/down if needed */ + val = fdtdec_get_int(gd->fdt_blob, pin_node, "pull-assign", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, + IOPAD_PULL_ASSIGN_MASK, + val << IOPAD_PULL_ASSIGN_SHIFT); + + val = + fdtdec_get_int(gd->fdt_blob, pin_node, "pull-strength", -1); + if (val != -1) + clrsetbits_le32(iobase_addr, + IOPAD_PULL_STRENGTH_MASK, + val << IOPAD_PULL_STRENGTH_SHIFT); + + debug("%s: pad cfg [0x%x]: %08x\n", __func__, pad_offset, + readl(iobase_addr)); + } + + return 0; +} + +int gpio_ich6_pinctrl_init(void) +{ + int pin_node; + int node; + int ret; + int gpiobase; + int iobase_offset; + int iobase = -1; + + /* + * Get the memory/io base address to configure every pins. + * IOBASE is used to configure the mode/pads + * GPIOBASE is used to configure the direction and default value + */ + gpiobase = gpio_ich6_get_base(PCI_CFG_GPIOBASE); + if (gpiobase < 0) { + debug("%s: invalid GPIOBASE address (%08x)\n", __func__, + gpiobase); + return -EINVAL; + } + + /* This is not an error to not have a pinctrl node */ + node = + fdtdec_next_compatible(gd->fdt_blob, 0, COMPAT_INTEL_X86_PINCTRL); + if (node <= 0) { + debug("%s: no pinctrl node\n", __func__); + return 0; + } + + /* + * Get the IOBASE, this is not mandatory as this is not + * supported by all the CPU + */ + iobase_offset = fdtdec_get_int(gd->fdt_blob, node, "io-base", -1); + if (iobase_offset == -1) { + debug("%s: io-base offset not present\n", __func__); + } else { + iobase = gpio_ich6_get_base(iobase_offset); + if (iobase < 0) { + debug("%s: invalid IOBASE address (%08x)\n", __func__, + iobase); + return -EINVAL; + } + } + + for (pin_node = fdt_first_subnode(gd->fdt_blob, node); + pin_node > 0; + pin_node = fdt_next_subnode(gd->fdt_blob, pin_node)) { + /* Configure the pin */ + ret = _gpio_ich6_pinctrl_cfg_pin(gpiobase, iobase, pin_node); + if (ret != 0) { + debug("%s: invalid configuration for the pin %d\n", + __func__, pin_node); + return ret; + } + } + + return 0; +} + +static int gpio_ich6_ofdata_to_platdata(struct udevice *dev) +{ + struct ich6_bank_platdata *plat = dev_get_platdata(dev); + u16 gpiobase; + int offset; + + gpiobase = gpio_ich6_get_base(PCI_CFG_GPIOBASE); offset = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "reg", -1); if (offset == -1) { debug("%s: Invalid register offset %d\n", __func__, offset); @@ -192,30 +407,24 @@ static int ich6_gpio_request(struct udevice *dev, unsigned offset, static int ich6_gpio_direction_input(struct udevice *dev, unsigned offset) { struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - tmplong = inl(bank->io_sel); - tmplong |= (1UL << offset); - outl(bank->io_sel, tmplong); - return 0; + return _ich6_gpio_set_direction(inl(bank->io_sel), offset, 0); } static int ich6_gpio_direction_output(struct udevice *dev, unsigned offset, int value) { + int ret; struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - gpio_set_value(offset, value); + ret = _ich6_gpio_set_direction(inl(bank->io_sel), offset, 1); + if (ret) + return ret; - tmplong = inl(bank->io_sel); - tmplong &= ~(1UL << offset); - outl(bank->io_sel, tmplong); - return 0; + return _ich6_gpio_set_value(bank->lvl, offset, value); } static int ich6_gpio_get_value(struct udevice *dev, unsigned offset) - { struct ich6_bank_priv *bank = dev_get_priv(dev); u32 tmplong; @@ -230,15 +439,7 @@ static int ich6_gpio_set_value(struct udevice *dev, unsigned offset, int value) { struct ich6_bank_priv *bank = dev_get_priv(dev); - u32 tmplong; - - tmplong = inl(bank->lvl); - if (value) - tmplong |= (1UL << offset); - else - tmplong &= ~(1UL << offset); - outl(bank->lvl, tmplong); - return 0; + return _ich6_gpio_set_value(bank->lvl, offset, value); } static int ich6_gpio_get_function(struct udevice *dev, unsigned offset) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 5b6c6bc34e..157491c52d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -186,72 +186,6 @@ pci_dev_t pci_find_devices(struct pci_device_id *ids, int index) return -1; } -/* - * - */ - -int __pci_hose_phys_to_bus(struct pci_controller *hose, - phys_addr_t phys_addr, - unsigned long flags, - unsigned long skip_mask, - pci_addr_t *ba) -{ - struct pci_region *res; - pci_addr_t bus_addr; - int i; - - for (i = 0; i < hose->region_count; i++) { - res = &hose->regions[i]; - - if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) - continue; - - if (res->flags & skip_mask) - continue; - - bus_addr = phys_addr - res->phys_start + res->bus_start; - - if (bus_addr >= res->bus_start && - bus_addr < res->bus_start + res->size) { - *ba = bus_addr; - return 0; - } - } - - return 1; -} - -pci_addr_t pci_hose_phys_to_bus (struct pci_controller *hose, - phys_addr_t phys_addr, - unsigned long flags) -{ - pci_addr_t bus_addr = 0; - int ret; - - if (!hose) { - puts("pci_hose_phys_to_bus: invalid hose\n"); - return bus_addr; - } - - /* - * if PCI_REGION_MEM is set we do a two pass search with preference - * on matches that don't have PCI_REGION_SYS_MEMORY set - */ - if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { - ret = __pci_hose_phys_to_bus(hose, phys_addr, - flags, PCI_REGION_SYS_MEMORY, &bus_addr); - if (!ret) - return bus_addr; - } - - ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, 0, &bus_addr); - - if (ret) - puts("pci_hose_phys_to_bus: invalid physical address\n"); - - return bus_addr; -} - int pci_hose_config_device(struct pci_controller *hose, pci_dev_t dev, unsigned long io, diff --git a/drivers/pci/pci_auto.c b/drivers/pci/pci_auto.c index e8da977673..7c109832f6 100644 --- a/drivers/pci/pci_auto.c +++ b/drivers/pci/pci_auto.c @@ -14,15 +14,12 @@ #include <errno.h> #include <pci.h> -#undef DEBUG #ifdef DEBUG #define DEBUGF(x...) printf(x) #else #define DEBUGF(x...) #endif /* DEBUG */ -#define PCIAUTO_IDE_MODE_MASK 0x05 - /* the user can define CONFIG_SYS_PCI_CACHE_LINE_SIZE to avoid problems */ #ifndef CONFIG_SYS_PCI_CACHE_LINE_SIZE #define CONFIG_SYS_PCI_CACHE_LINE_SIZE 8 @@ -425,7 +422,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev) { unsigned int sub_bus = PCI_BUS(dev); unsigned short class; - unsigned char prg_iface; int n; pci_hose_read_config_word(hose, dev, PCI_CLASS_DEVICE, &class); @@ -461,17 +457,6 @@ int pciauto_config_device(struct pci_controller *hose, pci_dev_t dev) #endif break; - case PCI_CLASS_STORAGE_IDE: - pci_hose_read_config_byte(hose, dev, PCI_CLASS_PROG, &prg_iface); - if (!(prg_iface & PCIAUTO_IDE_MODE_MASK)) { - DEBUGF("PCI Autoconfig: Skipping legacy mode IDE controller\n"); - return sub_bus; - } - - pciauto_setup_device(hose, dev, 6, hose->pci_mem, - hose->pci_prefetch, hose->pci_io); - break; - case PCI_CLASS_BRIDGE_CARDBUS: /* * just do a minimal setup of the bridge, diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c index 24c66bbef2..b9ff23f35b 100644 --- a/drivers/pci/pci_common.c +++ b/drivers/pci/pci_common.c @@ -182,10 +182,10 @@ u32 pci_read_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum) } int __pci_hose_bus_to_phys(struct pci_controller *hose, - pci_addr_t bus_addr, - unsigned long flags, - unsigned long skip_mask, - phys_addr_t *pa) + pci_addr_t bus_addr, + unsigned long flags, + unsigned long skip_mask, + phys_addr_t *pa) { struct pci_region *res; int i; @@ -240,6 +240,68 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller *hose, return phys_addr; } +int __pci_hose_phys_to_bus(struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags, + unsigned long skip_mask, + pci_addr_t *ba) +{ + struct pci_region *res; + pci_addr_t bus_addr; + int i; + + for (i = 0; i < hose->region_count; i++) { + res = &hose->regions[i]; + + if (((res->flags ^ flags) & PCI_REGION_TYPE) != 0) + continue; + + if (res->flags & skip_mask) + continue; + + bus_addr = phys_addr - res->phys_start + res->bus_start; + + if (bus_addr >= res->bus_start && + bus_addr < res->bus_start + res->size) { + *ba = bus_addr; + return 0; + } + } + + return 1; +} + +pci_addr_t pci_hose_phys_to_bus(struct pci_controller *hose, + phys_addr_t phys_addr, + unsigned long flags) +{ + pci_addr_t bus_addr = 0; + int ret; + + if (!hose) { + puts("pci_hose_phys_to_bus: invalid hose\n"); + return bus_addr; + } + + /* + * if PCI_REGION_MEM is set we do a two pass search with preference + * on matches that don't have PCI_REGION_SYS_MEMORY set + */ + if ((flags & PCI_REGION_MEM) == PCI_REGION_MEM) { + ret = __pci_hose_phys_to_bus(hose, phys_addr, + flags, PCI_REGION_SYS_MEMORY, &bus_addr); + if (!ret) + return bus_addr; + } + + ret = __pci_hose_phys_to_bus(hose, phys_addr, flags, 0, &bus_addr); + + if (ret) + puts("pci_hose_phys_to_bus: invalid physical address\n"); + + return bus_addr; +} + 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/video/Kconfig b/drivers/video/Kconfig index 2544301614..9ae23e8dd0 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1,6 +1,5 @@ config VIDEO_VESA bool "Enable VESA video driver support" - depends on X86 default n help Turn on this option to enable a very simple driver which uses vesa @@ -8,6 +7,144 @@ config VIDEO_VESA by U-Boot. This can in principle be used with any platform that supports PCI and video cards that support VESA BIOS Extension (VBE). +config FRAMEBUFFER_SET_VESA_MODE + bool "Set framebuffer graphics resolution" + depends on VIDEO_VESA + help + Set VESA/native framebuffer mode (needed for bootsplash and graphical + framebuffer console) + +choice + prompt "framebuffer graphics resolution" + default FRAMEBUFFER_VESA_MODE_117 + depends on FRAMEBUFFER_SET_VESA_MODE + help + This option sets the resolution used for the U-Boot framebuffer (and + bootsplash screen). + +config FRAMEBUFFER_VESA_MODE_100 + bool "640x400 256-color" + +config FRAMEBUFFER_VESA_MODE_101 + bool "640x480 256-color" + +config FRAMEBUFFER_VESA_MODE_102 + bool "800x600 16-color" + +config FRAMEBUFFER_VESA_MODE_103 + bool "800x600 256-color" + +config FRAMEBUFFER_VESA_MODE_104 + bool "1024x768 16-color" + +config FRAMEBUFFER_VESA_MODE_105 + bool "1024x7686 256-color" + +config FRAMEBUFFER_VESA_MODE_106 + bool "1280x1024 16-color" + +config FRAMEBUFFER_VESA_MODE_107 + bool "1280x1024 256-color" + +config FRAMEBUFFER_VESA_MODE_108 + bool "80x60 text" + +config FRAMEBUFFER_VESA_MODE_109 + bool "132x25 text" + +config FRAMEBUFFER_VESA_MODE_10A + bool "132x43 text" + +config FRAMEBUFFER_VESA_MODE_10B + bool "132x50 text" + +config FRAMEBUFFER_VESA_MODE_10C + bool "132x60 text" + +config FRAMEBUFFER_VESA_MODE_10D + bool "320x200 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_10E + bool "320x200 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_10F + bool "320x200 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_110 + bool "640x480 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_111 + bool "640x480 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_112 + bool "640x480 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_113 + bool "800x600 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_114 + bool "800x600 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_115 + bool "800x600 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_116 + bool "1024x768 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_117 + bool "1024x768 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_118 + bool "1024x768 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_119 + bool "1280x1024 32k-color (1:5:5:5)" + +config FRAMEBUFFER_VESA_MODE_11A + bool "1280x1024 64k-color (5:6:5)" + +config FRAMEBUFFER_VESA_MODE_11B + bool "1280x1024 16.8M-color (8:8:8)" + +config FRAMEBUFFER_VESA_MODE_USER + bool "Manually select VESA mode" + +endchoice + +# Map the config names to an integer (KB). +config FRAMEBUFFER_VESA_MODE + prompt "VESA mode" if FRAMEBUFFER_VESA_MODE_USER + hex + default 0x100 if FRAMEBUFFER_VESA_MODE_100 + default 0x101 if FRAMEBUFFER_VESA_MODE_101 + default 0x102 if FRAMEBUFFER_VESA_MODE_102 + default 0x103 if FRAMEBUFFER_VESA_MODE_103 + default 0x104 if FRAMEBUFFER_VESA_MODE_104 + default 0x105 if FRAMEBUFFER_VESA_MODE_105 + default 0x106 if FRAMEBUFFER_VESA_MODE_106 + default 0x107 if FRAMEBUFFER_VESA_MODE_107 + default 0x108 if FRAMEBUFFER_VESA_MODE_108 + default 0x109 if FRAMEBUFFER_VESA_MODE_109 + default 0x10A if FRAMEBUFFER_VESA_MODE_10A + default 0x10B if FRAMEBUFFER_VESA_MODE_10B + default 0x10C if FRAMEBUFFER_VESA_MODE_10C + default 0x10D if FRAMEBUFFER_VESA_MODE_10D + default 0x10E if FRAMEBUFFER_VESA_MODE_10E + default 0x10F if FRAMEBUFFER_VESA_MODE_10F + default 0x110 if FRAMEBUFFER_VESA_MODE_110 + default 0x111 if FRAMEBUFFER_VESA_MODE_111 + default 0x112 if FRAMEBUFFER_VESA_MODE_112 + default 0x113 if FRAMEBUFFER_VESA_MODE_113 + default 0x114 if FRAMEBUFFER_VESA_MODE_114 + default 0x115 if FRAMEBUFFER_VESA_MODE_115 + default 0x116 if FRAMEBUFFER_VESA_MODE_116 + default 0x117 if FRAMEBUFFER_VESA_MODE_117 + default 0x118 if FRAMEBUFFER_VESA_MODE_118 + default 0x119 if FRAMEBUFFER_VESA_MODE_119 + default 0x11A if FRAMEBUFFER_VESA_MODE_11A + default 0x11B if FRAMEBUFFER_VESA_MODE_11B + default 0x117 if FRAMEBUFFER_VESA_MODE_USER + config VIDEO_LCD_SSD2828 bool "SSD2828 bridge chip" default n |