| /* |
| * (C) Copyright 2008 |
| * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com. |
| * |
| * Copyright 2004 Freescale Semiconductor. |
| * (C) Copyright 2002,2003, Motorola Inc. |
| * Xianghua Xiao, (X.Xiao@motorola.com) |
| * |
| * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> |
| * |
| * 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 <pci.h> |
| #include <asm/processor.h> |
| #include <asm/immap_85xx.h> |
| #include <ioports.h> |
| #include <flash.h> |
| #include <libfdt.h> |
| #include <fdt_support.h> |
| #include <asm/io.h> |
| #include <i2c.h> |
| #include <mb862xx.h> |
| #include <video_fb.h> |
| #include "upm_table.h" |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| extern flash_info_t flash_info[]; /* FLASH chips info */ |
| extern GraphicDevice mb862xx; |
| |
| void local_bus_init (void); |
| ulong flash_get_size (ulong base, int banknum); |
| |
| int checkboard (void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| |
| char *src; |
| int f; |
| char *s = getenv("serial#"); |
| |
| puts("Board: Socrates"); |
| if (s != NULL) { |
| puts(", serial# "); |
| puts(s); |
| } |
| putc('\n'); |
| |
| #ifdef CONFIG_PCI |
| /* Check the PCI_clk sel bit */ |
| if (in_be32(&gur->porpllsr) & (1<<15)) { |
| src = "SYSCLK"; |
| f = CONFIG_SYS_CLK_FREQ; |
| } else { |
| src = "PCI_CLK"; |
| f = CONFIG_PCI_CLK_FREQ; |
| } |
| printf ("PCI1: 32 bit, %d MHz (%s)\n", f/1000000, src); |
| #else |
| printf ("PCI1: disabled\n"); |
| #endif |
| |
| /* |
| * Initialize local bus. |
| */ |
| local_bus_init (); |
| return 0; |
| } |
| |
| int misc_init_r (void) |
| { |
| /* |
| * Adjust flash start and offset to detected values |
| */ |
| gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; |
| gd->bd->bi_flashoffset = 0; |
| |
| /* |
| * Check if boot FLASH isn't max size |
| */ |
| if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH0)) { |
| set_lbc_or(0, gd->bd->bi_flashstart | |
| (CONFIG_SYS_OR0_PRELIM & 0x00007fff)); |
| set_lbc_br(0, gd->bd->bi_flashstart | |
| (CONFIG_SYS_BR0_PRELIM & 0x00007fff)); |
| |
| /* |
| * Re-check to get correct base address |
| */ |
| flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1); |
| } |
| |
| /* |
| * Check if only one FLASH bank is available |
| */ |
| if (gd->bd->bi_flashsize != CONFIG_SYS_MAX_FLASH_BANKS * (0 - CONFIG_SYS_FLASH0)) { |
| set_lbc_or(1, 0); |
| set_lbc_br(1, 0); |
| |
| /* |
| * Re-do flash protection upon new addresses |
| */ |
| flash_protect (FLAG_PROTECT_CLEAR, |
| gd->bd->bi_flashstart, 0xffffffff, |
| &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
| |
| /* Monitor protection ON by default */ |
| flash_protect (FLAG_PROTECT_SET, |
| CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1, |
| &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
| |
| /* Environment protection ON by default */ |
| flash_protect (FLAG_PROTECT_SET, |
| CONFIG_ENV_ADDR, |
| CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, |
| &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
| |
| /* Redundant environment protection ON by default */ |
| flash_protect (FLAG_PROTECT_SET, |
| CONFIG_ENV_ADDR_REDUND, |
| CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, |
| &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * Initialize Local Bus |
| */ |
| void local_bus_init (void) |
| { |
| volatile fsl_lbc_t *lbc = LBC_BASE_ADDR; |
| volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); |
| sys_info_t sysinfo; |
| uint clkdiv; |
| uint lbc_mhz; |
| uint lcrr = CONFIG_SYS_LBC_LCRR; |
| |
| get_sys_info (&sysinfo); |
| clkdiv = lbc->lcrr & LCRR_CLKDIV; |
| lbc_mhz = sysinfo.freqSystemBus / 1000000 / clkdiv; |
| |
| /* Disable PLL bypass for Local Bus Clock >= 66 MHz */ |
| if (lbc_mhz >= 66) |
| lcrr &= ~LCRR_DBYP; /* DLL Enabled */ |
| else |
| lcrr |= LCRR_DBYP; /* DLL Bypass */ |
| |
| out_be32 (&lbc->lcrr, lcrr); |
| asm ("sync;isync;msync"); |
| |
| out_be32 (&lbc->ltesr, 0xffffffff); /* Clear LBC error interrupts */ |
| out_be32 (&lbc->lteir, 0xffffffff); /* Enable LBC error interrupts */ |
| out_be32 (&ecm->eedr, 0xffffffff); /* Clear ecm errors */ |
| out_be32 (&ecm->eeer, 0xffffffff); /* Enable ecm errors */ |
| |
| /* Init UPMA for FPGA access */ |
| out_be32 (&lbc->mamr, 0x44440); /* Use a customer-supplied value */ |
| upmconfig (UPMA, (uint *)UPMTableA, sizeof(UPMTableA)/sizeof(int)); |
| |
| /* Init UPMB for Lime controller access */ |
| out_be32 (&lbc->mbmr, 0x444440); /* Use a customer-supplied value */ |
| upmconfig (UPMB, (uint *)UPMTableB, sizeof(UPMTableB)/sizeof(int)); |
| } |
| |
| #if defined(CONFIG_PCI) |
| /* |
| * Initialize PCI Devices, report devices found. |
| */ |
| |
| #ifndef CONFIG_PCI_PNP |
| static struct pci_config_table pci_mpc85xxads_config_table[] = { |
| {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
| PCI_IDSEL_NUMBER, PCI_ANY_ID, |
| pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, |
| PCI_ENET0_MEMADDR, |
| PCI_COMMAND_MEMORY | |
| PCI_COMMAND_MASTER}}, |
| {} |
| }; |
| #endif |
| |
| |
| static struct pci_controller hose = { |
| #ifndef CONFIG_PCI_PNP |
| config_table:pci_mpc85xxads_config_table, |
| #endif |
| }; |
| |
| #endif /* CONFIG_PCI */ |
| |
| |
| void pci_init_board (void) |
| { |
| #ifdef CONFIG_PCI |
| pci_mpc85xx_init (&hose); |
| #endif /* CONFIG_PCI */ |
| } |
| |
| #ifdef CONFIG_BOARD_EARLY_INIT_R |
| int board_early_init_r (void) |
| { |
| volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); |
| |
| /* set and reset the GPIO pin 2 which will reset the W83782G chip */ |
| out_8((unsigned char*)&gur->gpoutdr, 0x3F ); |
| out_be32((unsigned int*)&gur->gpiocr, 0x200 ); /* enable GPOut */ |
| udelay(200); |
| out_8( (unsigned char*)&gur->gpoutdr, 0x1F ); |
| |
| return (0); |
| } |
| #endif /* CONFIG_BOARD_EARLY_INIT_R */ |
| |
| #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) |
| void |
| ft_board_setup(void *blob, bd_t *bd) |
| { |
| u32 val[12]; |
| int rc, i = 0; |
| |
| ft_cpu_setup(blob, bd); |
| |
| /* Fixup NOR FLASH mapping */ |
| val[i++] = 0; /* chip select number */ |
| val[i++] = 0; /* always 0 */ |
| val[i++] = gd->bd->bi_flashstart; |
| val[i++] = gd->bd->bi_flashsize; |
| |
| if (mb862xx.frameAdrs == CONFIG_SYS_LIME_BASE) { |
| /* Fixup LIME mapping */ |
| val[i++] = 2; /* chip select number */ |
| val[i++] = 0; /* always 0 */ |
| val[i++] = CONFIG_SYS_LIME_BASE; |
| val[i++] = CONFIG_SYS_LIME_SIZE; |
| } |
| |
| /* Fixup FPGA mapping */ |
| val[i++] = 3; /* chip select number */ |
| val[i++] = 0; /* always 0 */ |
| val[i++] = CONFIG_SYS_FPGA_BASE; |
| val[i++] = CONFIG_SYS_FPGA_SIZE; |
| |
| rc = fdt_find_and_setprop(blob, "/localbus", "ranges", |
| val, i * sizeof(u32), 1); |
| if (rc) |
| printf("Unable to update localbus ranges, err=%s\n", |
| fdt_strerror(rc)); |
| } |
| #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |
| |
| #define DEFAULT_BRIGHTNESS 25 |
| #define BACKLIGHT_ENABLE (1 << 31) |
| |
| static const gdc_regs init_regs [] = |
| { |
| {0x0100, 0x00010f00}, |
| {0x0020, 0x801901df}, |
| {0x0024, 0x00000000}, |
| {0x0028, 0x00000000}, |
| {0x002c, 0x00000000}, |
| {0x0110, 0x00000000}, |
| {0x0114, 0x00000000}, |
| {0x0118, 0x01df0320}, |
| {0x0004, 0x041f0000}, |
| {0x0008, 0x031f031f}, |
| {0x000c, 0x017f0349}, |
| {0x0010, 0x020c0000}, |
| {0x0014, 0x01df01e9}, |
| {0x0018, 0x00000000}, |
| {0x001c, 0x01e00320}, |
| {0x0100, 0x80010f00}, |
| {0x0, 0x0} |
| }; |
| |
| const gdc_regs *board_get_regs (void) |
| { |
| return init_regs; |
| } |
| |
| int lime_probe(void) |
| { |
| uint cfg_br2; |
| uint cfg_or2; |
| int type; |
| |
| cfg_br2 = get_lbc_br(2); |
| cfg_or2 = get_lbc_or(2); |
| |
| /* Configure GPCM for CS2 */ |
| set_lbc_br(2, 0); |
| set_lbc_or(2, 0xfc000410); |
| set_lbc_br(2, (CONFIG_SYS_LIME_BASE) | 0x00001901); |
| |
| /* Get controller type */ |
| type = mb862xx_probe(CONFIG_SYS_LIME_BASE); |
| |
| /* Restore previous CS2 configuration */ |
| set_lbc_br(2, 0); |
| set_lbc_or(2, cfg_or2); |
| set_lbc_br(2, cfg_br2); |
| |
| return (type == MB862XX_TYPE_LIME) ? 1 : 0; |
| } |
| |
| /* Returns Lime base address */ |
| unsigned int board_video_init (void) |
| { |
| if (!lime_probe()) |
| return 0; |
| |
| mb862xx.winSizeX = 800; |
| mb862xx.winSizeY = 480; |
| mb862xx.gdfIndex = GDF_15BIT_555RGB; |
| mb862xx.gdfBytesPP = 2; |
| |
| return CONFIG_SYS_LIME_BASE; |
| } |
| |
| #define W83782D_REG_CFG 0x40 |
| #define W83782D_REG_BANK_SEL 0x4e |
| #define W83782D_REG_ADCCLK 0x4b |
| #define W83782D_REG_BEEP_CTRL 0x4d |
| #define W83782D_REG_BEEP_CTRL2 0x57 |
| #define W83782D_REG_PWMOUT1 0x5b |
| #define W83782D_REG_VBAT 0x5d |
| |
| static int w83782d_hwmon_init(void) |
| { |
| u8 buf; |
| |
| if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 1, &buf, 1)) |
| return -1; |
| |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, 0x80); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BANK_SEL, 0); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_ADCCLK, 0x40); |
| |
| buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL, |
| buf | 0x80); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_BEEP_CTRL2, 0); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_PWMOUT1, 0x47); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_VBAT, 0x01); |
| |
| buf = i2c_reg_read(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG); |
| i2c_reg_write(CONFIG_SYS_I2C_W83782G_ADDR, W83782D_REG_CFG, |
| (buf & 0xf4) | 0x01); |
| return 0; |
| } |
| |
| static void board_backlight_brightness(int br) |
| { |
| u32 reg; |
| u8 buf; |
| u8 old_buf; |
| |
| /* Select bank 0 */ |
| if (i2c_read(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
| goto err; |
| else |
| buf = old_buf & 0xf8; |
| |
| if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &buf, 1)) |
| goto err; |
| |
| if (br > 0) { |
| /* PWMOUT1 duty cycle ctrl */ |
| buf = 255 / (100 / br); |
| if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
| goto err; |
| |
| /* LEDs on */ |
| reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
| if (!(reg & BACKLIGHT_ENABLE)); |
| out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), |
| reg | BACKLIGHT_ENABLE); |
| } else { |
| buf = 0; |
| if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x5b, 1, &buf, 1)) |
| goto err; |
| |
| /* LEDs off */ |
| reg = in_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c)); |
| reg &= ~BACKLIGHT_ENABLE; |
| out_be32((void *)(CONFIG_SYS_FPGA_BASE + 0x0c), reg); |
| } |
| /* Restore previous bank setting */ |
| if (i2c_write(CONFIG_SYS_I2C_W83782G_ADDR, 0x4e, 1, &old_buf, 1)) |
| goto err; |
| |
| return; |
| err: |
| printf("W83782G I2C access failed\n"); |
| } |
| |
| void board_backlight_switch (int flag) |
| { |
| char * param; |
| int rc; |
| |
| if (w83782d_hwmon_init()) |
| printf ("hwmon IC init failed\n"); |
| |
| if (flag) { |
| param = getenv("brightness"); |
| rc = param ? simple_strtol(param, NULL, 10) : -1; |
| if (rc < 0) |
| rc = DEFAULT_BRIGHTNESS; |
| } else { |
| rc = 0; |
| } |
| board_backlight_brightness(rc); |
| } |
| |
| #if defined(CONFIG_CONSOLE_EXTRA_INFO) |
| /* |
| * Return text to be printed besides the logo. |
| */ |
| void video_get_info_str (int line_number, char *info) |
| { |
| if (line_number == 1) { |
| strcpy (info, " Board: Socrates"); |
| } else { |
| info [0] = '\0'; |
| } |
| } |
| #endif |