diff options
Diffstat (limited to 'board/mpc8349itx/mpc8349itx.c')
| -rw-r--r-- | board/mpc8349itx/mpc8349itx.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/board/mpc8349itx/mpc8349itx.c b/board/mpc8349itx/mpc8349itx.c deleted file mode 100644 index 2b3ded1..0000000 --- a/board/mpc8349itx/mpc8349itx.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved. - * - * 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 <ioports.h> -#include <mpc83xx.h> -#include <i2c.h> -#include <spd.h> -#include <miiphy.h> - -#ifdef CONFIG_PCI -#include <asm/mpc8349_pci.h> -#include <pci.h> -#endif - -#ifdef CONFIG_SPD_EEPROM -#include <spd_sdram.h> -#else -#include <asm/mmu.h> -#endif -#if defined(CONFIG_OF_FLAT_TREE) -#include <ft_build.h> -#endif - -#ifndef CONFIG_SPD_EEPROM -/************************************************************************* - * fixed sdram init -- doesn't use serial presence detect. - ************************************************************************/ -int fixed_sdram(void) -{ - volatile immap_t *im = (immap_t *) CFG_IMMR; - u32 ddr_size; /* The size of RAM, in bytes */ - u32 ddr_size_log2 = 0; - - for (ddr_size = CFG_DDR_SIZE * 0x100000; ddr_size > 1; ddr_size >>= 1) { - if (ddr_size & 1) { - return -1; - } - ddr_size_log2++; - } - - im->sysconf.ddrlaw[0].ar = - LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); - im->sysconf.ddrlaw[0].bar = (CFG_DDR_SDRAM_BASE >> 12) & 0xfffff; - - /* Only one CS0 for DDR */ - im->ddr.csbnds[0].csbnds = 0x0000000f; - im->ddr.cs_config[0] = CFG_DDR_CONFIG; - - debug("cs0_bnds = 0x%08x\n", im->ddr.csbnds[0].csbnds); - debug("cs0_config = 0x%08x\n", im->ddr.cs_config[0]); - - debug("DDR:bar=0x%08x\n", im->sysconf.ddrlaw[0].bar); - debug("DDR:ar=0x%08x\n", im->sysconf.ddrlaw[0].ar); - - im->ddr.timing_cfg_1 = CFG_DDR_TIMING_1; - im->ddr.timing_cfg_2 = CFG_DDR_TIMING_2;/* Was "2 << TIMING_CFG2_WR_DATA_DELAY_SHIFT" */ - im->ddr.sdram_cfg = SDRAM_CFG_SREN | SDRAM_CFG_SDRAM_TYPE_DDR; - im->ddr.sdram_mode = - (0x0000 << SDRAM_MODE_ESD_SHIFT) | (0x0032 << SDRAM_MODE_SD_SHIFT); - im->ddr.sdram_interval = - (0x0410 << SDRAM_INTERVAL_REFINT_SHIFT) | (0x0100 << - SDRAM_INTERVAL_BSTOPRE_SHIFT); - im->ddr.sdram_clk_cntl = - DDR_SDRAM_CLK_CNTL_SS_EN | DDR_SDRAM_CLK_CNTL_CLK_ADJUST_05; - - udelay(200); - - im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; - - debug("DDR:timing_cfg_1=0x%08x\n", im->ddr.timing_cfg_1); - debug("DDR:timing_cfg_2=0x%08x\n", im->ddr.timing_cfg_2); - debug("DDR:sdram_mode=0x%08x\n", im->ddr.sdram_mode); - debug("DDR:sdram_interval=0x%08x\n", im->ddr.sdram_interval); - debug("DDR:sdram_cfg=0x%08x\n", im->ddr.sdram_cfg); - - return CFG_DDR_SIZE; -} -#endif - -#ifdef CONFIG_PCI -/* - * Initialize PCI Devices, report devices found - */ -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_mpc83xxmitx_config_table[] = { - { - PCI_ANY_ID, - PCI_ANY_ID, - PCI_ANY_ID, - PCI_ANY_ID, - 0x0f, - PCI_ANY_ID, - pci_cfgfunc_config_device, - { - PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER} - }, - {} -} -#endif - -volatile static struct pci_controller hose[] = { - { -#ifndef CONFIG_PCI_PNP - config_table:pci_mpc83xxmitx_config_table, -#endif - }, - { -#ifndef CONFIG_PCI_PNP - config_table:pci_mpc83xxmitx_config_table, -#endif - } -}; -#endif /* CONFIG_PCI */ - -long int initdram(int board_type) -{ - volatile immap_t *im = (immap_t *) CFG_IMMR; - u32 msize = 0; -#ifdef CONFIG_DDR_ECC - volatile ddr83xx_t *ddr = &im->ddr; -#endif - - if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) - return -1; - - /* DDR SDRAM - Main SODIMM */ - im->sysconf.ddrlaw[0].bar = CFG_DDR_BASE & LAWBAR_BAR; -#ifdef CONFIG_SPD_EEPROM - msize = spd_sdram(); -#else - msize = fixed_sdram(); -#endif - -#ifdef CONFIG_DDR_ECC - if (ddr->sdram_cfg & SDRAM_CFG_ECC_EN) - /* Unlike every other board, on the 83xx spd_sdram() returns - megabytes instead of just bytes. That's why we need to - multiple by 1MB when calling ddr_enable_ecc(). */ - ddr_enable_ecc(msize * 1048576); -#endif - - puts(" DDR RAM: "); - /* return total bus RAM size(bytes) */ - return msize * 1024 * 1024; -} - -int checkboard(void) -{ -#ifdef CONFIG_MPC8349ITX - puts("Board: Freescale MPC8349E-mITX\n"); -#else - puts("Board: Freescale MPC8349E-mITX-GP\n"); -#endif - - return 0; -} - -/* - * Implement a work-around for a hardware problem with compact - * flash. - * - * Program the UPM if compact flash is enabled. - */ -int misc_init_f(void) -{ -#ifdef CONFIG_VSC7385 - volatile u32 *vsc7385_cpuctrl; - - /* 0x1c0c0 is the VSC7385 CPU Control (CPUCTRL) Register. The power up - default of VSC7385 L1_IRQ and L2_IRQ requests are active high. That - means it is 0 when the IRQ is not active. This makes the wire-AND - logic always assert IRQ7 to CPU even if there is no request from the - switch. Since the compact flash and the switch share the same IRQ, - the Linux kernel will think that the compact flash is requesting irq - and get stuck when it tries to clear the IRQ. Thus we need to set - the L2_IRQ0 and L2_IRQ1 to active low. - - The following code sets the L1_IRQ and L2_IRQ polarity to active low. - Without this code, compact flash will not work in Linux because - unlike U-Boot, Linux uses the IRQ, so this code is necessary if we - don't enable compact flash for U-Boot. - */ - - vsc7385_cpuctrl = (volatile u32 *)(CFG_VSC7385_BASE + 0x1c0c0); - *vsc7385_cpuctrl |= 0x0c; -#endif - -#ifdef CONFIG_COMPACT_FLASH - /* UPM Table Configuration Code */ - static uint UPMATable[] = { - 0xcffffc00, 0x0fffff00, 0x0fafff00, 0x0fafff00, - 0x0faffd00, 0x0faffc04, 0x0ffffc00, 0x3ffffc01, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfff7fc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, - 0xcffffc00, 0x0fffff00, 0x0ff3ff00, 0x0ff3ff00, - 0x0ff3fe00, 0x0ffffc00, 0x3ffffc05, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc00, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01, - 0xfffffc00, 0xfffffc00, 0xfffffc00, 0xfffffc01 - }; - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile lbus83xx_t *lbus = &immap->lbus; - - lbus->bank[3].br = CFG_BR3_PRELIM; - lbus->bank[3].or = CFG_OR3_PRELIM; - - /* Program the MAMR. RFEN=0, OP=00, UWPL=1, AM=000, DS=01, G0CL=000, - GPL4=0, RLF=0001, WLF=0001, TLF=0001, MAD=000000 - */ - lbus->mamr = 0x08404440; - - upmconfig(0, UPMATable, sizeof(UPMATable) / sizeof(UPMATable[0])); - - puts("UPMA: Configured for compact flash\n"); -#endif - - return 0; -} - -/* - * Make sure the EEPROM has the HRCW correctly programmed. - * Make sure the RTC is correctly programmed. - * - * The MPC8349E-mITX can be configured to load the HRCW from - * EEPROM instead of flash. This is controlled via jumpers - * LGPL0, 1, and 3. Normally, these jumpers are set to 000 (all - * jumpered), but if they're set to 001 or 010, then the HRCW is - * read from the "I2C EEPROM". - * - * This function makes sure that the I2C EEPROM is programmed - * correctly. - */ -int misc_init_r(void) -{ - int rc = 0; - -#ifdef CONFIG_HARD_I2C - - unsigned int orig_bus = i2c_get_bus_num(); - u8 i2c_data; - -#ifdef CFG_I2C_RTC_ADDR - u8 ds1339_data[17]; -#endif - -#ifdef CFG_I2C_EEPROM_ADDR - static u8 eeprom_data[] = /* HRCW data */ - { - 0xAA, 0x55, 0xAA, /* Preamble */ - 0x7C, /* ACS=0, BYTE_EN=1111, CONT=1 */ - 0x02, 0x40, /* RCWL ADDR=0x0_0900 */ - (CFG_HRCW_LOW >> 24) & 0xFF, - (CFG_HRCW_LOW >> 16) & 0xFF, - (CFG_HRCW_LOW >> 8) & 0xFF, - CFG_HRCW_LOW & 0xFF, - 0x7C, /* ACS=0, BYTE_EN=1111, CONT=1 */ - 0x02, 0x41, /* RCWH ADDR=0x0_0904 */ - (CFG_HRCW_HIGH >> 24) & 0xFF, - (CFG_HRCW_HIGH >> 16) & 0xFF, - (CFG_HRCW_HIGH >> 8) & 0xFF, - CFG_HRCW_HIGH & 0xFF - }; - - u8 data[sizeof(eeprom_data)]; -#endif - - printf("Board revision: "); - i2c_set_bus_num(1); - if (i2c_read(CFG_I2C_8574A_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data)) == 0) - printf("%u.%u (PCF8475A)\n", (i2c_data & 0x02) >> 1, i2c_data & 0x01); - else if (i2c_read(CFG_I2C_8574_ADDR2, 0, 0, &i2c_data, sizeof(i2c_data)) == 0) - printf("%u.%u (PCF8475)\n", (i2c_data & 0x02) >> 1, i2c_data & 0x01); - else { - printf("Unknown\n"); - rc = 1; - } - -#ifdef CFG_I2C_EEPROM_ADDR - i2c_set_bus_num(0); - - if (i2c_read(CFG_I2C_EEPROM_ADDR, 0, 2, data, sizeof(data)) == 0) { - if (memcmp(data, eeprom_data, sizeof(data)) != 0) { - if (i2c_write - (CFG_I2C_EEPROM_ADDR, 0, 2, eeprom_data, - sizeof(eeprom_data)) != 0) { - puts("Failure writing the HRCW to EEPROM via I2C.\n"); - rc = 1; - } - } - } else { - puts("Failure reading the HRCW from EEPROM via I2C.\n"); - rc = 1; - } -#endif - -#ifdef CFG_I2C_RTC_ADDR - i2c_set_bus_num(1); - - if (i2c_read(CFG_I2C_RTC_ADDR, 0, 1, ds1339_data, sizeof(ds1339_data)) - == 0) { - - /* Work-around for MPC8349E-mITX bug #13601. - If the RTC does not contain valid register values, the DS1339 - Linux driver will not work. - */ - - /* Make sure status register bits 6-2 are zero */ - ds1339_data[0x0f] &= ~0x7c; - - /* Check for a valid day register value */ - ds1339_data[0x03] &= ~0xf8; - if (ds1339_data[0x03] == 0) { - ds1339_data[0x03] = 1; - } - - /* Check for a valid date register value */ - ds1339_data[0x04] &= ~0xc0; - if ((ds1339_data[0x04] == 0) || - ((ds1339_data[0x04] & 0x0f) > 9) || - (ds1339_data[0x04] >= 0x32)) { - ds1339_data[0x04] = 1; - } - - /* Check for a valid month register value */ - ds1339_data[0x05] &= ~0x60; - - if ((ds1339_data[0x05] == 0) || - ((ds1339_data[0x05] & 0x0f) > 9) || - ((ds1339_data[0x05] >= 0x13) - && (ds1339_data[0x05] <= 0x19))) { - ds1339_data[0x05] = 1; - } - - /* Enable Oscillator and rate select */ - ds1339_data[0x0e] = 0x1c; - - /* Work-around for MPC8349E-mITX bug #13330. - Ensure that the RTC control register contains the value 0x1c. - This affects SATA performance. - */ - - if (i2c_write - (CFG_I2C_RTC_ADDR, 0, 1, ds1339_data, - sizeof(ds1339_data))) { - puts("Failure writing to the RTC via I2C.\n"); - rc = 1; - } - } else { - puts("Failure reading from the RTC via I2C.\n"); - rc = 1; - } -#endif - - i2c_set_bus_num(orig_bus); -#endif - - return rc; -} - -#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) -void -ft_board_setup(void *blob, bd_t *bd) -{ - u32 *p; - int len; - -#ifdef CONFIG_PCI - ft_pci_setup(blob, bd); -#endif - ft_cpu_setup(blob, bd); - - p = ft_get_prop(blob, "/memory/reg", &len); - if (p != NULL) { - *p++ = cpu_to_be32(bd->bi_memstart); - *p = cpu_to_be32(bd->bi_memsize); - } -} -#endif |