diff options
Diffstat (limited to 'board/gdsys/p1022/controlcenterd.c')
-rw-r--r-- | board/gdsys/p1022/controlcenterd.c | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/board/gdsys/p1022/controlcenterd.c b/board/gdsys/p1022/controlcenterd.c new file mode 100644 index 0000000000..81c22bc94c --- /dev/null +++ b/board/gdsys/p1022/controlcenterd.c @@ -0,0 +1,425 @@ +/* + * (C) Copyright 2013 + * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_pci.h> +#include <asm/fsl_ddr_sdram.h> +#include <asm/fsl_serdes.h> +#include <asm/io.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <fsl_mdio.h> +#include <tsec.h> +#include <asm/fsl_law.h> +#include <netdev.h> +#include <i2c.h> +#include <pca9698.h> +#include <watchdog.h> +#include "../common/dp501.h" +#include "controlcenterd-id.h" + +DECLARE_GLOBAL_DATA_PTR; + +enum { + HWVER_100 = 0, + HWVER_110 = 1, + HWVER_120 = 2, +}; + +struct ihs_fpga { + u32 reflection_low; /* 0x0000 */ + u32 versions; /* 0x0004 */ + u32 fpga_version; /* 0x0008 */ + u32 fpga_features; /* 0x000c */ +}; + +#ifndef CONFIG_TRAILBLAZER +static struct pci_device_id hydra_supported[] = { + { 0x6d5e, 0xcdc0 }, + {} +}; + +static void hydra_initialize(void); +#endif + +int board_early_init_f(void) +{ + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO3_ADDR); + + /* Reset eLBC_DIU and SPI_eLBC in case we are booting from SD */ + clrsetbits_be32(&gur->pmuxcr, 0x00600000, 0x80000000); + + /* Set pmuxcr to allow both i2c1 and i2c2 */ + setbits_be32(&gur->pmuxcr, 0x00001000); + + /* Set pmuxcr to enable GPIO 3_11-3_13 */ + setbits_be32(&gur->pmuxcr, 0x00000010); + + /* Set pmuxcr to enable GPIO 2_31,3_9+10 */ + setbits_be32(&gur->pmuxcr, 0x00000020); + + /* Set pmuxcr to enable GPIO 2_28-2_30 */ + setbits_be32(&gur->pmuxcr, 0x000000c0); + + /* Set pmuxcr to enable GPIO 3_20-3_22 */ + setbits_be32(&gur->pmuxcr2, 0x03000000); + + /* Set pmuxcr to enable IRQ0-2 */ + clrbits_be32(&gur->pmuxcr, 0x00000300); + + /* Set pmuxcr to disable IRQ3-11 */ + setbits_be32(&gur->pmuxcr, 0x000000F0); + + /* Read back the register to synchronize the write. */ + in_be32(&gur->pmuxcr); + + /* Set the pin muxing to enable ETSEC2. */ + clrbits_be32(&gur->pmuxcr2, 0x001F8000); + +#ifdef CONFIG_TRAILBLAZER + /* + * GPIO3_10 SPERRTRIGGER + */ + setbits_be32(&pgpio->gpdir, 0x00200000); + clrbits_be32(&pgpio->gpdat, 0x00200000); + udelay(100); + setbits_be32(&pgpio->gpdat, 0x00200000); + udelay(100); + clrbits_be32(&pgpio->gpdat, 0x00200000); +#endif + + /* + * GPIO3_11 CPU-TO-FPGA-RESET# + */ + setbits_be32(&pgpio->gpdir, 0x00100000); + clrbits_be32(&pgpio->gpdat, 0x00100000); + + /* + * GPIO3_21 CPU-STATUS-WATCHDOG-TRIGGER# + */ + setbits_be32(&pgpio->gpdir, 0x00000400); + + return 0; +} + +int checkboard(void) +{ + printf("Board: ControlCenter DIGITAL\n"); + + return 0; +} + +int misc_init_r(void) +{ + return 0; +} + +/* + * A list of PCI and SATA slots + */ +enum slot_id { + SLOT_PCIE1 = 1, + SLOT_PCIE2, + SLOT_PCIE3, + SLOT_PCIE4, + SLOT_PCIE5, + SLOT_SATA1, + SLOT_SATA2 +}; + +/* + * This array maps the slot identifiers to their names on the P1022DS board. + */ +static const char * const slot_names[] = { + [SLOT_PCIE1] = "Slot 1", + [SLOT_PCIE2] = "Slot 2", + [SLOT_PCIE3] = "Slot 3", + [SLOT_PCIE4] = "Slot 4", + [SLOT_PCIE5] = "Mini-PCIe", + [SLOT_SATA1] = "SATA 1", + [SLOT_SATA2] = "SATA 2", +}; + +/* + * This array maps a given SERDES configuration and SERDES device to the PCI or + * SATA slot that it connects to. This mapping is hard-coded in the FPGA. + */ +static u8 serdes_dev_slot[][SATA2 + 1] = { + [0x01] = { [PCIE3] = SLOT_PCIE4, [PCIE2] = SLOT_PCIE5 }, + [0x02] = { [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 }, + [0x09] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE4, + [PCIE2] = SLOT_PCIE5 }, + [0x16] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2, + [PCIE2] = SLOT_PCIE3, + [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 }, + [0x17] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE2, + [PCIE2] = SLOT_PCIE3 }, + [0x1a] = { [PCIE1] = SLOT_PCIE1, [PCIE2] = SLOT_PCIE3, + [PCIE2] = SLOT_PCIE3, + [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 }, + [0x1c] = { [PCIE1] = SLOT_PCIE1, + [SATA1] = SLOT_SATA1, [SATA2] = SLOT_SATA2 }, + [0x1e] = { [PCIE1] = SLOT_PCIE1, [PCIE3] = SLOT_PCIE3 }, + [0x1f] = { [PCIE1] = SLOT_PCIE1 }, +}; + + +/* + * Returns the name of the slot to which the PCIe or SATA controller is + * connected + */ +const char *board_serdes_name(enum srds_prtcl device) +{ + ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR; + u32 pordevsr = in_be32(&gur->pordevsr); + unsigned int srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> + MPC85xx_PORDEVSR_IO_SEL_SHIFT; + enum slot_id slot = serdes_dev_slot[srds_cfg][device]; + const char *name = slot_names[slot]; + + if (name) + return name; + else + return "Nothing"; +} + +void hw_watchdog_reset(void) +{ + ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO3_ADDR); + + clrbits_be32(&pgpio->gpdat, 0x00000400); + setbits_be32(&pgpio->gpdat, 0x00000400); +} + +#ifdef CONFIG_TRAILBLAZER +int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + int rcode = 0; + + if (run_command(getenv("bootcmd"), flag) < 0) + rcode = 1; + return rcode; +} + +int board_early_init_r(void) +{ + ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO3_ADDR); + + /* + * GPIO3_12 PPC_SYSTEMREADY# + */ + setbits_be32(&pgpio->gpdir, 0x00080000); + setbits_be32(&pgpio->gpodr, 0x00080000); + clrbits_be32(&pgpio->gpdat, 0x00080000); + + return ccdm_compute_self_hash(); +} + +int last_stage_init(void) +{ + startup_ccdm_id_module(); + return 0; +} + +#else +void pci_init_board(void) +{ + fsl_pcie_init_board(0); + + hydra_initialize(); +} + +int board_early_init_r(void) +{ + unsigned int k = 0; + ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO3_ADDR); + + /* wait for FPGA configuration to finish */ + while (!pca9698_get_value(0x22, 11) && (k++ < 30)) + udelay(100000); + + if (k > 30) { + puts("FPGA configuration timed out.\n"); + } else { + /* clear FPGA reset */ + udelay(1000); + setbits_be32(&pgpio->gpdat, 0x00100000); + } + + /* give time for PCIe link training */ + udelay(100000); + + /* + * GPIO3_12 PPC_SYSTEMREADY# + */ + setbits_be32(&pgpio->gpdir, 0x00080000); + setbits_be32(&pgpio->gpodr, 0x00080000); + clrbits_be32(&pgpio->gpdat, 0x00080000); + + return 0; +} + +int last_stage_init(void) +{ + /* Turn on Parade DP501 */ + pca9698_direction_output(0x22, 7, 1); + udelay(500000); + + dp501_powerup(0x08); + + startup_ccdm_id_module(); + + return 0; +} + +/* + * Initialize on-board and/or PCI Ethernet devices + * + * Returns: + * <0, error + * 0, no ethernet devices found + * >0, number of ethernet devices initialized + */ +int board_eth_init(bd_t *bis) +{ + struct fsl_pq_mdio_info mdio_info; + struct tsec_info_struct tsec_info[2]; + unsigned int num = 0; + +#ifdef CONFIG_TSEC1 + SET_STD_TSEC_INFO(tsec_info[num], 1); + num++; +#endif +#ifdef CONFIG_TSEC2 + SET_STD_TSEC_INFO(tsec_info[num], 2); + num++; +#endif + + mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR; + mdio_info.name = DEFAULT_MII_NAME; + fsl_pq_mdio_init(bis, &mdio_info); + + return tsec_eth_init(bis, tsec_info, num) + pci_eth_init(bis); +} + +#ifdef CONFIG_OF_BOARD_SETUP +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + + fdt_fixup_memory(blob, (u64)base, (u64)size); + +#ifdef CONFIG_HAS_FSL_DR_USB + fdt_fixup_dr_usb(blob, bd); +#endif + + FT_FSL_PCI_SETUP; +} +#endif + +static void hydra_initialize(void) +{ + unsigned int i; + pci_dev_t devno; + + /* Find and probe all the matching PCI devices */ + for (i = 0; (devno = pci_find_devices(hydra_supported, i)) >= 0; i++) { + u32 val; + struct ihs_fpga *fpga; + u32 versions; + u32 fpga_version; + u32 fpga_features; + + unsigned hardware_version; + unsigned feature_uart_channels; + unsigned feature_sb_channels; + + /* Try to enable I/O accesses and bus-mastering */ + val = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; + pci_write_config_dword(devno, PCI_COMMAND, val); + + /* Make sure it worked */ + pci_read_config_dword(devno, PCI_COMMAND, &val); + if (!(val & PCI_COMMAND_MEMORY)) { + puts("Can't enable I/O memory\n"); + continue; + } + if (!(val & PCI_COMMAND_MASTER)) { + puts("Can't enable bus-mastering\n"); + continue; + } + + /* read FPGA details */ + fpga = pci_map_bar(devno, PCI_BASE_ADDRESS_0, + PCI_REGION_MEM); + + versions = readl(fpga->versions); + fpga_version = readl(fpga->fpga_version); + fpga_features = readl(fpga->fpga_features); + + hardware_version = versions & 0xf; + feature_uart_channels = (fpga_features >> 6) & 0x1f; + feature_sb_channels = fpga_features & 0x1f; + + printf("FPGA%d: ", i); + + switch (hardware_version) { + case HWVER_100: + printf("HW-Ver 1.00\n"); + break; + + case HWVER_110: + printf("HW-Ver 1.10\n"); + break; + + case HWVER_120: + printf("HW-Ver 1.20\n"); + break; + + default: + printf("HW-Ver %d(not supported)\n", + hardware_version); + break; + } + + printf(" FPGA V %d.%02d, features:", + fpga_version / 100, fpga_version % 100); + + printf(" %d uart channel(s)", feature_uart_channels); + printf(" %d sideband channel(s)\n", feature_sb_channels); + } +} +#endif |