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grub/grub-core/bus/cs5536.c

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SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2010 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/types.h>
#include <grub/cs5536.h>
#include <grub/pci.h>
#include <grub/time.h>
Move geode init to bus/cs5536.c
2010-05-03 22:05:23 +00:00
#include <grub/ata.h>
* grub-core/bus/cs5536.c: Don't include grub/machine/kernel.h on non-loongson. * grub-core/kern/mips/dl.c (grub_arch_dl_init_linker): Fix argument to grub_dl_register_symbol.
2011-05-15 13:41:23 +00:00
#ifdef GRUB_MACHINE_MIPS_LOONGSON
Fix accidental disable of Geode UARTs
2011-01-24 00:46:00 +00:00
#include <grub/machine/kernel.h>
* grub-core/bus/cs5536.c: Don't include grub/machine/kernel.h on non-loongson. * grub-core/kern/mips/dl.c (grub_arch_dl_init_linker): Fix argument to grub_dl_register_symbol.
2011-05-15 13:41:23 +00:00
#endif
SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
Implement automatic module license checking according to new GNU guidelines. * grub-core/kern/dl.c (grub_dl_check_license): New function. (grub_dl_load_core): Use grub_dl_check_license. * include/grub/dl.h (GRUB_MOD_SECTION): New macro. (GRUB_MOD_LICENSE): Likewise. (GRUB_MOD_DUAL_LICENSE): Likewise. All modules updated.
2011-04-11 21:01:51 +00:00
#include <grub/dl.h>
GRUB_MOD_LICENSE ("GPLv3+");
SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
int
grub_cs5536_find (grub_pci_device_t *devp)
{
int found = 0;
auto int NESTED_FUNC_ATTR hook (grub_pci_device_t dev,
grub_pci_id_t pciid);
int NESTED_FUNC_ATTR hook (grub_pci_device_t dev,
grub_pci_id_t pciid)
{
if (pciid == GRUB_CS5536_PCIID)
{
*devp = dev;
found = 1;
return 1;
}
return 0;
}
grub_pci_iterate (hook);
return found;
}
grub_uint64_t
grub_cs5536_read_msr (grub_pci_device_t dev, grub_uint32_t addr)
{
grub_uint64_t ret = 0;
grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_ADDR),
addr);
ret = (grub_uint64_t)
grub_pci_read (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA0));
ret |= (((grub_uint64_t)
grub_pci_read (grub_pci_make_address (dev,
GRUB_CS5536_MSR_MAILBOX_DATA1)))
<< 32);
return ret;
}
void
grub_cs5536_write_msr (grub_pci_device_t dev, grub_uint32_t addr,
grub_uint64_t val)
{
grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_ADDR),
addr);
grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA0),
val & 0xffffffff);
grub_pci_write (grub_pci_make_address (dev, GRUB_CS5536_MSR_MAILBOX_DATA1),
val >> 32);
}
grub_err_t
grub_cs5536_smbus_wait (grub_port_t smbbase)
{
grub_uint64_t start = grub_get_time_ms ();
while (1)
{
grub_uint8_t status;
status = grub_inb (smbbase + GRUB_CS5536_SMB_REG_STATUS);
Working SPD reading in fwstart.img
2010-02-17 20:10:58 +00:00
if (status & GRUB_CS5536_SMB_REG_STATUS_SDAST)
SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
return GRUB_ERR_NONE;
Working SPD reading in fwstart.img
2010-02-17 20:10:58 +00:00
if (status & GRUB_CS5536_SMB_REG_STATUS_BER)
SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
return grub_error (GRUB_ERR_IO, "SM bus error");
Working SPD reading in fwstart.img
2010-02-17 20:10:58 +00:00
if (status & GRUB_CS5536_SMB_REG_STATUS_NACK)
SMBus on CS5536 support
2010-02-16 21:39:59 +00:00
return grub_error (GRUB_ERR_IO, "NACK received");
if (grub_get_time_ms () > start + 40)
return grub_error (GRUB_ERR_IO, "SM stalled");
}
return GRUB_ERR_NONE;
}
grub_err_t
grub_cs5536_read_spd_byte (grub_port_t smbbase, grub_uint8_t dev,
grub_uint8_t addr, grub_uint8_t *res)
{
grub_err_t err;
/* Send START. */
grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
| GRUB_CS5536_SMB_REG_CTRL1_START,
smbbase + GRUB_CS5536_SMB_REG_CTRL1);
/* Send device address. */
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
grub_outb (dev << 1, smbbase + GRUB_CS5536_SMB_REG_DATA);
/* Send ACK. */
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
| GRUB_CS5536_SMB_REG_CTRL1_ACK,
smbbase + GRUB_CS5536_SMB_REG_CTRL1);
/* Send byte address. */
grub_outb (addr, smbbase + GRUB_CS5536_SMB_REG_DATA);
/* Send START. */
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
| GRUB_CS5536_SMB_REG_CTRL1_START,
smbbase + GRUB_CS5536_SMB_REG_CTRL1);
/* Send device address. */
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
grub_outb ((dev << 1) | 1, smbbase + GRUB_CS5536_SMB_REG_DATA);
/* Send STOP. */
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
grub_outb (grub_inb (smbbase + GRUB_CS5536_SMB_REG_CTRL1)
| GRUB_CS5536_SMB_REG_CTRL1_STOP,
smbbase + GRUB_CS5536_SMB_REG_CTRL1);
err = grub_cs5536_smbus_wait (smbbase);
if (err)
return err;
*res = grub_inb (smbbase + GRUB_CS5536_SMB_REG_DATA);
return GRUB_ERR_NONE;
}
grub_err_t
grub_cs5536_init_smbus (grub_pci_device_t dev, grub_uint16_t divisor,
grub_port_t *smbbase)
{
grub_uint64_t smbbar;
smbbar = grub_cs5536_read_msr (dev, GRUB_CS5536_MSR_SMB_BAR);
/* FIXME */
if (!(smbbar & GRUB_CS5536_LBAR_ENABLE))
return grub_error(GRUB_ERR_IO, "SMB controller not enabled\n");
*smbbase = (smbbar & GRUB_CS5536_LBAR_ADDR_MASK) + GRUB_MACHINE_PCI_IO_BASE;
if (divisor < 8)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "invalid divisor");
/* Disable SMB. */
grub_outb (0, *smbbase + GRUB_CS5536_SMB_REG_CTRL2);
/* Disable interrupts. */
grub_outb (0, *smbbase + GRUB_CS5536_SMB_REG_CTRL1);
/* Set as master. */
grub_outb (GRUB_CS5536_SMB_REG_ADDR_MASTER,
*smbbase + GRUB_CS5536_SMB_REG_ADDR);
/* Launch. */
grub_outb (((divisor >> 7) & 0xff), *smbbase + GRUB_CS5536_SMB_REG_CTRL3);
grub_outb (((divisor << 1) & 0xfe) | GRUB_CS5536_SMB_REG_CTRL2_ENABLE,
*smbbase + GRUB_CS5536_SMB_REG_CTRL2);
return GRUB_ERR_NONE;
}
grub_err_t
grub_cs5536_read_spd (grub_port_t smbbase, grub_uint8_t dev,
struct grub_smbus_spd *res)
{
grub_err_t err;
grub_size_t size;
grub_uint8_t b;
grub_size_t ptr;
err = grub_cs5536_read_spd_byte (smbbase, dev, 0, &b);
if (err)
return err;
if (b == 0)
return grub_error (GRUB_ERR_IO, "no SPD found");
size = b;
((grub_uint8_t *) res)[0] = b;
for (ptr = 1; ptr < size; ptr++)
{
err = grub_cs5536_read_spd_byte (smbbase, dev, ptr,
&((grub_uint8_t *) res)[ptr]);
if (err)
return err;
}
return GRUB_ERR_NONE;
}
Move geode init to bus/cs5536.c
2010-05-03 22:05:23 +00:00
static inline void
set_io_space (grub_pci_device_t dev, int num, grub_uint16_t start,
grub_uint16_t len)
{
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_REGIONS_START + num,
((((grub_uint64_t) start + len - 4)
<< GRUB_CS5536_MSR_GL_REGION_IO_TOP_SHIFT)
& GRUB_CS5536_MSR_GL_REGION_TOP_MASK)
| (((grub_uint64_t) start
<< GRUB_CS5536_MSR_GL_REGION_IO_BASE_SHIFT)
& GRUB_CS5536_MSR_GL_REGION_BASE_MASK)
| GRUB_CS5536_MSR_GL_REGION_IO
| GRUB_CS5536_MSR_GL_REGION_ENABLE);
}
static inline void
set_iod (grub_pci_device_t dev, int num, int dest, int start, int mask)
{
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_IOD_START + num,
((grub_uint64_t) dest << GRUB_CS5536_IOD_DEST_SHIFT)
| (((grub_uint64_t) start & GRUB_CS5536_IOD_ADDR_MASK)
<< GRUB_CS5536_IOD_BASE_SHIFT)
| ((mask & GRUB_CS5536_IOD_ADDR_MASK)
<< GRUB_CS5536_IOD_MASK_SHIFT));
}
static inline void
set_p2d (grub_pci_device_t dev, int num, int dest, grub_uint32_t start)
{
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_P2D_START + num,
(((grub_uint64_t) dest) << GRUB_CS5536_P2D_DEST_SHIFT)
| ((grub_uint64_t) (start >> GRUB_CS5536_P2D_LOG_ALIGN)
<< GRUB_CS5536_P2D_BASE_SHIFT)
| (((1 << (32 - GRUB_CS5536_P2D_LOG_ALIGN)) - 1)
<< GRUB_CS5536_P2D_MASK_SHIFT));
}
void
grub_cs5536_init_geode (grub_pci_device_t dev)
{
/* Enable more BARs. */
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IRQ_MAP_BAR,
GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_IRQ_MAP);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_MFGPT_BAR,
GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_MFGPT);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_ACPI_BAR,
GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_ACPI);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_PM_BAR,
GRUB_CS5536_LBAR_TURN_ON | GRUB_CS5536_LBAR_PM);
/* Setup DIVIL. */
Fix compilation errors. * grub-core/term/ns8250.c (serial_get_divisor): Declare 'port' as potentially unused. * grub-core/loader/i386/linux.c (grub_linux_setup_video): Handle GRUB_VIDEO_DRIVER_SIS315PRO. * grub-core/bus/cs5536.c (grub_cs5536_init_geode): Restrict DIVIL init to loongson machines.
2011-05-15 10:32:37 +00:00
#ifdef GRUB_MACHINE_MIPS_LOONGSON
Fix accidental disable of Geode UARTs
2011-01-24 00:46:00 +00:00
switch (grub_arch_machine)
{
case GRUB_ARCH_MACHINE_YEELOONG:
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_LEG_IO,
GRUB_CS5536_MSR_DIVIL_LEG_IO_MODE_X86
| GRUB_CS5536_MSR_DIVIL_LEG_IO_F_REMAP
| GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE0
| GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE1);
break;
Rename Fuloong into Fuloong 2F. Add new ID for Fuloong2E. * grub-core/Makefile.core.def (fwstart_fuloong): Rename fwstart_fuloong into fwstart_fuloong2f. Use boot/mips/loongson/fuloong2f.S. * grub-core/boot/mips/loongson/fuloong.S: Rename to ... * grub-core/boot/mips/loongson/fuloong2f.S: ... this. (FULOONG): Rename to ... (FULOONG2F): ... this. All users updated. * grub-core/boot/mips/startup_raw.S (machtype_fuloong_str): Rename to (machtype_fuloong2f_str): ... this. (machtype_fuloong2e_str): New string. Check for machtype_fuloong2e_str. * grub-core/loader/mips/linux.c (loongson_machtypes) [GRUB_MACHINE_MIPS_LOONGSON]: Add GRUB_ARCH_MACHINE_FULOONG2E. * grub-core/term/serial.c (loongson_defserial) [GRUB_MACHINE_MIPS_LOONGSON]: New array. (grub_serial_register) [GRUB_MACHINE_MIPS_LOONGSON]: Use loongson_defserial. * include/grub/mips/loongson/kernel.h (GRUB_ARCH_MACHINE_FULOONG): Rename to ... (GRUB_ARCH_MACHINE_FULOONG2F): ... this. (GRUB_ARCH_MACHINE_FULOONG2E): New const. * util/grub-mkimage.c (image_target_desc): Rename IMAGE_FULOONG_FLASH to IMAGE_FULOONG2F_FLASH. All users updated. (image_targets): Rename images. * util/grub-mkstandalone.in: Accept fuloong2f and fuloong2e.
2011-08-19 20:46:11 +00:00
case GRUB_ARCH_MACHINE_FULOONG2F:
Fix accidental disable of Geode UARTs
2011-01-24 00:46:00 +00:00
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_LEG_IO,
GRUB_CS5536_MSR_DIVIL_LEG_IO_UART2_COM3
| GRUB_CS5536_MSR_DIVIL_LEG_IO_UART1_COM1
| GRUB_CS5536_MSR_DIVIL_LEG_IO_MODE_X86
| GRUB_CS5536_MSR_DIVIL_LEG_IO_F_REMAP
| GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE0
| GRUB_CS5536_MSR_DIVIL_LEG_IO_RTC_ENABLE1);
break;
}
Fix compilation errors. * grub-core/term/ns8250.c (serial_get_divisor): Declare 'port' as potentially unused. * grub-core/loader/i386/linux.c (grub_linux_setup_video): Handle GRUB_VIDEO_DRIVER_SIS315PRO. * grub-core/bus/cs5536.c (grub_cs5536_init_geode): Restrict DIVIL init to loongson machines.
2011-05-15 10:32:37 +00:00
#endif
Move geode init to bus/cs5536.c
2010-05-03 22:05:23 +00:00
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_PRIMARY_MASK,
(~GRUB_CS5536_DIVIL_LPC_INTERRUPTS) & 0xffff);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_IRQ_MAPPER_LPC_MASK,
GRUB_CS5536_DIVIL_LPC_INTERRUPTS);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL,
GRUB_CS5536_MSR_DIVIL_LPC_SERIAL_IRQ_CONTROL_ENABLE);
/* Initialise USB controller. */
/* FIXME: assign adresses dynamically. */
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_OHCI_BASE,
GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
| GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE
| 0x05024000);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_EHCI_BASE,
GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
| GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE
| (0x20ULL << GRUB_CS5536_MSR_USB_EHCI_BASE_FLDJ_SHIFT)
| 0x05023000);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_CONTROLLER_BASE,
GRUB_CS5536_MSR_USB_BASE_BUS_MASTER
| GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE | 0x05020000);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_USB_OPTION_CONTROLLER_BASE,
GRUB_CS5536_MSR_USB_BASE_MEMORY_ENABLE | 0x05022000);
set_p2d (dev, 0, GRUB_CS5536_DESTINATION_USB, 0x05020000);
set_p2d (dev, 1, GRUB_CS5536_DESTINATION_USB, 0x05022000);
set_p2d (dev, 5, GRUB_CS5536_DESTINATION_USB, 0x05024000);
set_p2d (dev, 6, GRUB_CS5536_DESTINATION_USB, 0x05023000);
{
volatile grub_uint32_t *oc;
oc = grub_pci_device_map_range (dev, 0x05022000,
GRUB_CS5536_USB_OPTION_REGS_SIZE);
oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX] =
(oc[GRUB_CS5536_USB_OPTION_REG_UOCMUX]
& ~GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_MASK)
| GRUB_CS5536_USB_OPTION_REG_UOCMUX_PMUX_HC;
grub_pci_device_unmap_range (dev, oc, GRUB_CS5536_USB_OPTION_REGS_SIZE);
}
/* Setup IDE controller. */
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_IO_BAR,
GRUB_CS5536_LBAR_IDE
| GRUB_CS5536_MSR_IDE_IO_BAR_UNITS);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_CFG,
GRUB_CS5536_MSR_IDE_CFG_CHANNEL_ENABLE);
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_TIMING,
(GRUB_CS5536_MSR_IDE_TIMING_PIO0
<< GRUB_CS5536_MSR_IDE_TIMING_DRIVE0_SHIFT)
| (GRUB_CS5536_MSR_IDE_TIMING_PIO0
<< GRUB_CS5536_MSR_IDE_TIMING_DRIVE1_SHIFT));
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_IDE_CAS_TIMING,
(GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_PIO0
<< GRUB_CS5536_MSR_IDE_CAS_TIMING_CMD_SHIFT)
| (GRUB_CS5536_MSR_IDE_CAS_TIMING_PIO0
<< GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE0_SHIFT)
| (GRUB_CS5536_MSR_IDE_CAS_TIMING_PIO0
<< GRUB_CS5536_MSR_IDE_CAS_TIMING_DRIVE1_SHIFT));
/* Setup Geodelink PCI. */
grub_cs5536_write_msr (dev, GRUB_CS5536_MSR_GL_PCI_CTRL,
(4ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_OUT_THR_SHIFT)
| (4ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_IN_THR_SHIFT)
| (8ULL << GRUB_CS5536_MSR_GL_PCI_CTRL_LATENCY_SHIFT)
| GRUB_CS5536_MSR_GL_PCI_CTRL_IO_ENABLE
| GRUB_CS5536_MSR_GL_PCI_CTRL_MEMORY_ENABLE);
/* Setup windows. */
set_io_space (dev, 0, GRUB_CS5536_LBAR_SMBUS, GRUB_CS5536_SMBUS_REGS_SIZE);
set_io_space (dev, 1, GRUB_CS5536_LBAR_GPIO, GRUB_CS5536_GPIO_REGS_SIZE);
set_io_space (dev, 2, GRUB_CS5536_LBAR_MFGPT, GRUB_CS5536_MFGPT_REGS_SIZE);
set_io_space (dev, 3, GRUB_CS5536_LBAR_IRQ_MAP, GRUB_CS5536_IRQ_MAP_REGS_SIZE);
set_io_space (dev, 4, GRUB_CS5536_LBAR_PM, GRUB_CS5536_PM_REGS_SIZE);
set_io_space (dev, 5, GRUB_CS5536_LBAR_ACPI, GRUB_CS5536_ACPI_REGS_SIZE);
set_iod (dev, 0, GRUB_CS5536_DESTINATION_IDE, GRUB_ATA_CH0_PORT1, 0xffff8);
set_iod (dev, 1, GRUB_CS5536_DESTINATION_ACC, GRUB_CS5536_LBAR_ACC, 0xfff80);
set_iod (dev, 2, GRUB_CS5536_DESTINATION_IDE, GRUB_CS5536_LBAR_IDE, 0xffff0);
}
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