diff options
Diffstat (limited to 'board/ixdp425')
| -rw-r--r-- | board/ixdp425/config.mk | 2 | ||||
| -rw-r--r-- | board/ixdp425/flash.c | 427 | ||||
| -rw-r--r-- | board/ixdp425/ixdp425.c | 155 |
3 files changed, 133 insertions, 451 deletions
diff --git a/board/ixdp425/config.mk b/board/ixdp425/config.mk deleted file mode 100644 index 509c894..0000000 --- a/board/ixdp425/config.mk +++ /dev/null @@ -1,2 +0,0 @@ -# -CONFIG_SYS_TEXT_BASE = 0x00f80000 diff --git a/board/ixdp425/flash.c b/board/ixdp425/flash.c deleted file mode 100644 index f1d9190..0000000 --- a/board/ixdp425/flash.c +++ /dev/null @@ -1,427 +0,0 @@ -/* - * (C) Copyright 2001 - * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net - * - * (C) Copyright 2001 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * 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 <linux/byteorder/swab.h> - - -flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ - -/* Board support for 1 or 2 flash devices */ -#undef FLASH_PORT_WIDTH32 -#define FLASH_PORT_WIDTH16 - -#ifdef FLASH_PORT_WIDTH16 -#define FLASH_PORT_WIDTH ushort -#define FLASH_PORT_WIDTHV vu_short -#define SWAP(x) x -#else -#define FLASH_PORT_WIDTH ulong -#define FLASH_PORT_WIDTHV vu_long -#define SWAP(x) __swab32(x) -#endif - -#define FPW FLASH_PORT_WIDTH -#define FPWV FLASH_PORT_WIDTHV - -#define mb() __asm__ __volatile__ ("" : : : "memory") - -/*----------------------------------------------------------------------- - * Functions - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info); -static int write_data (flash_info_t * info, ulong dest, FPW data); -static void flash_get_offsets (ulong base, flash_info_t * info); -void inline spin_wheel (void); - -/*----------------------------------------------------------------------- - */ - -unsigned long flash_init (void) -{ - int i; - ulong size = 0; - - for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) { - switch (i) { - case 0: - flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]); - flash_get_offsets (PHYS_FLASH_1, &flash_info[i]); - break; - default: - panic ("configured too many flash banks!\n"); - break; - } - size += flash_info[i].size; - } - - /* Protect monitor and environment sectors - */ - flash_protect (FLAG_PROTECT_SET, - CONFIG_SYS_FLASH_BASE, - CONFIG_SYS_FLASH_BASE + _bss_start - _armboot_start, - &flash_info[0]); - - flash_protect (FLAG_PROTECT_SET, - CONFIG_ENV_ADDR, - CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]); - - return size; -} - -/*----------------------------------------------------------------------- - */ -static void flash_get_offsets (ulong base, flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - return; - } - - if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) { - for (i = 0; i < info->sector_count; i++) { - info->start[i] = base + (i * PHYS_FLASH_SECT_SIZE); - info->protect[i] = 0; - } - } -} - -/*----------------------------------------------------------------------- - */ -void flash_print_info (flash_info_t * info) -{ - int i; - - if (info->flash_id == FLASH_UNKNOWN) { - printf ("missing or unknown FLASH type\n"); - return; - } - - switch (info->flash_id & FLASH_VENDMASK) { - case FLASH_MAN_INTEL: - printf ("INTEL "); - break; - default: - printf ("Unknown Vendor "); - break; - } - - switch (info->flash_id & FLASH_TYPEMASK) { - case FLASH_28F128J3A: - printf ("28F128J3A\n"); - break; - default: - printf ("Unknown Chip Type\n"); - break; - } - - printf (" Size: %ld MB in %d Sectors\n", - info->size >> 20, info->sector_count); - - printf (" Sector Start Addresses:"); - for (i = 0; i < info->sector_count; ++i) { - if ((i % 5) == 0) - printf ("\n "); - printf (" %08lX%s", - info->start[i], info->protect[i] ? " (RO)" : " "); - } - printf ("\n"); - return; -} - -/* - * The following code cannot be run from FLASH! - */ -static ulong flash_get_size (FPW * addr, flash_info_t * info) -{ - volatile FPW value; - - /* Write auto select command: read Manufacturer ID */ - addr[0x5555] = (FPW) 0x00AA00AA; - addr[0x2AAA] = (FPW) 0x00550055; - addr[0x5555] = (FPW) 0x00900090; - - mb (); - value = addr[0]; - - switch (value) { - - case (FPW) INTEL_MANUFACT: - info->flash_id = FLASH_MAN_INTEL; - break; - - default: - info->flash_id = FLASH_UNKNOWN; - info->sector_count = 0; - info->size = 0; - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - return (0); /* no or unknown flash */ - } - - mb (); - value = addr[1]; /* device ID */ - - switch (value) { - - case (FPW) INTEL_ID_28F128J3A: - info->flash_id += FLASH_28F128J3A; - info->sector_count = 128; - info->size = 0x02000000; - break; /* => 16 MB */ - - default: - info->flash_id = FLASH_UNKNOWN; - break; - } - - if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) { - printf ("** ERROR: sector count %d > max (%d) **\n", - info->sector_count, CONFIG_SYS_MAX_FLASH_SECT); - info->sector_count = CONFIG_SYS_MAX_FLASH_SECT; - } - - addr[0] = (FPW) 0x00FF00FF; /* restore read mode */ - - return (info->size); -} - - -/*----------------------------------------------------------------------- - */ - -int flash_erase (flash_info_t * info, int s_first, int s_last) -{ - int flag, prot, sect; - ulong type; - int rcode = 0; - - if ((s_first < 0) || (s_first > s_last)) { - if (info->flash_id == FLASH_UNKNOWN) { - printf ("- missing\n"); - } else { - printf ("- no sectors to erase\n"); - } - return 1; - } - - type = (info->flash_id & FLASH_VENDMASK); - if ((type != FLASH_MAN_INTEL)) { - printf ("Can't erase unknown flash type %08lx - aborted\n", - info->flash_id); - return 1; - } - - prot = 0; - for (sect = s_first; sect <= s_last; ++sect) { - if (info->protect[sect]) { - prot++; - } - } - - if (prot) { - printf ("- Warning: %d protected sectors will not be erased!\n", prot); - } else { - printf ("\n"); - } - - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - /* Start erase on unprotected sectors */ - for (sect = s_first; sect <= s_last; sect++) { - if (info->protect[sect] == 0) { /* not protected */ - FPWV *addr = (FPWV *) (info->start[sect]); - FPW status; - - printf ("Erasing sector %2d ... ", sect); - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - *addr = (FPW) 0x00500050; /* clear status register */ - *addr = (FPW) 0x00200020; /* erase setup */ - *addr = (FPW) 0x00D000D0; /* erase confirm */ - - while (((status = - *addr) & (FPW) 0x00800080) != - (FPW) 0x00800080) { - if (get_timer_masked () > - CONFIG_SYS_FLASH_ERASE_TOUT) { - printf ("Timeout\n"); - *addr = (FPW) 0x00B000B0; /* suspend erase */ - *addr = (FPW) 0x00FF00FF; /* reset to read mode */ - rcode = 1; - break; - } - } - - *addr = (FPW) 0x00500050; /* clear status register cmd. */ - *addr = (FPW) 0x00FF00FF; /* resest to read mode */ - - printf (" done\n"); - } - } - return rcode; -} - -/*----------------------------------------------------------------------- - * Copy memory to flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - * 4 - Flash not identified - */ - -int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt) -{ - ulong cp, wp; - FPW data; - int count, i, l, rc, port_width; - - if (info->flash_id == FLASH_UNKNOWN) { - return 4; - } - -/* get lower word aligned address */ -#ifdef FLASH_PORT_WIDTH16 - wp = (addr & ~1); - port_width = 2; -#else - wp = (addr & ~3); - port_width = 4; -#endif - - /* - * handle unaligned start bytes - */ - if ((l = addr - wp) != 0) { - data = 0; - for (i = 0, cp = wp; i < l; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - for (; i < port_width && cnt > 0; ++i) { - data = (data << 8) | *src++; - --cnt; - ++cp; - } - for (; cnt == 0 && i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - } - - /* - * handle word aligned part - */ - count = 0; - while (cnt >= port_width) { - data = 0; - for (i = 0; i < port_width; ++i) { - data = (data << 8) | *src++; - } - if ((rc = write_data (info, wp, SWAP (data))) != 0) { - return (rc); - } - wp += port_width; - cnt -= port_width; - if (count++ > 0x800) { - spin_wheel (); - count = 0; - } - } - - if (cnt == 0) { - return (0); - } - - /* - * handle unaligned tail bytes - */ - data = 0; - for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) { - data = (data << 8) | *src++; - --cnt; - } - for (; i < port_width; ++i, ++cp) { - data = (data << 8) | (*(uchar *) cp); - } - - return (write_data (info, wp, SWAP (data))); -} - -/*----------------------------------------------------------------------- - * Write a word or halfword to Flash, returns: - * 0 - OK - * 1 - write timeout - * 2 - Flash not erased - */ -static int write_data (flash_info_t * info, ulong dest, FPW data) -{ - FPWV *addr = (FPWV *) dest; - ulong status; - int flag; - - /* Check if Flash is (sufficiently) erased */ - if ((*addr & data) != data) { - printf ("not erased at %08lx (%lx)\n", (ulong) addr, - (ulong) * addr); - return (2); - } - /* Disable interrupts which might cause a timeout here */ - flag = disable_interrupts (); - - *addr = (FPW) 0x00400040; /* write setup */ - *addr = data; - - /* arm simple, non interrupt dependent timer */ - reset_timer_masked (); - - /* wait while polling the status register */ - while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) { - if (get_timer_masked () > CONFIG_SYS_FLASH_WRITE_TOUT) { - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - return (1); - } - } - - *addr = (FPW) 0x00FF00FF; /* restore read mode */ - - return (0); -} - -void inline spin_wheel (void) -{ - static int p = 0; - static char w[] = "\\/-"; - - printf ("\010%c", w[p]); - (++p == 3) ? (p = 0) : 0; -} diff --git a/board/ixdp425/ixdp425.c b/board/ixdp425/ixdp425.c index a29d584..7269458 100644 --- a/board/ixdp425/ixdp425.c +++ b/board/ixdp425/ixdp425.c @@ -33,24 +33,82 @@ #include <malloc.h> #include <netdev.h> #include <asm/arch/ixp425.h> +#include <asm/io.h> +#ifdef CONFIG_PCI +#include <pci.h> +#include <asm/arch/ixp425pci.h> +#endif DECLARE_GLOBAL_DATA_PTR; +#define IXDP425_LED_PORT 0x52000000 /* 4-digit hex display */ + +int board_early_init_f(void) +{ + /* CS2: LED port */ + writel(0xbcff0002, IXP425_EXP_CS2); + writew(0x0001, IXDP425_LED_PORT); /* output postcode to LEDs */ + + return 0; +} + +#ifdef CONFIG_PCI +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_ixpdp425_config_table[] = { + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x00, PCI_ANY_ID, + pci_cfgfunc_config_device, + { 0x400, + 0x40000000, + PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } }, + + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x01, PCI_ANY_ID, + pci_cfgfunc_config_device, + { 0x800, + 0x40010000, + PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } }, + + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x02, PCI_ANY_ID, + pci_cfgfunc_config_device, + { 0xc00, + 0x40020000, + PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } }, + + { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x03, PCI_ANY_ID, + pci_cfgfunc_config_device, + { 0x1000, + 0x40030000, + PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } }, + { } +}; +#endif + +struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table: pci_ixpdp425_config_table, +#endif +}; +#endif /* CONFIG_PCI */ + + /* * Miscelaneous platform dependent initialisations */ -int board_init (void) +int board_init(void) { + writew(0x0002, IXDP425_LED_PORT); /* output postcode to LEDs */ + +#ifdef CONFIG_IXDPG425 + /* arch number of IXDP */ + gd->bd->bi_arch_number = MACH_TYPE_IXDPG425; +#else /* arch number of IXDP */ gd->bd->bi_arch_number = MACH_TYPE_IXDP425; +#endif /* adress of boot parameters */ gd->bd->bi_boot_params = 0x00000100; #ifdef CONFIG_IXDPG425 - /* arch number of IXDP */ - gd->bd->bi_arch_number = MACH_TYPE_IXDPG425; - /* * Get realtek RTL8305 switch and SLIC out of reset */ @@ -60,19 +118,56 @@ int board_init (void) GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SLIC_RESET_N); /* - * Setup GPIO's for PCI INTA & INTB + * Setup GPIOs for PCI INTA & INTB */ GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTA_N); GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTA_N); GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI_INTB_N); GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI_INTB_N); - /* - * Setup GPIO's for 33MHz clock output - */ - *IXP425_GPIO_GPCLKR = 0x01FF01FF; + /* Setup GPIOs for 33MHz clock output */ + writel(0x01FF01FF, IXP425_GPIO_GPCLKR); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK); GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK); + + /* set GPIO8..11 interrupt type to active low */ + writel((0x1 << 9) | (0x1 << 6) | (0x1 << 3) | 0x1, IXP425_GPIO_GPIT2R); + + /* clear pending interrupts */ + writel(-1, IXP425_GPIO_GPISR); + + /* assert PCI reset */ + GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_SLIC_RESET_N); + + udelay(533); + + /* deassert PCI reset */ + GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SLIC_RESET_N); + + udelay(533); + +#else /* IXDP425 */ + /* Setup GPIOs for 33MHz ExpBus and PCI clock output */ + writel(0x01FF01FF, IXP425_GPIO_GPCLKR); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK); + GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_RESET_N); + + /* set GPIO8..11 interrupt type to active low */ + writel((0x1 << 9) | (0x1 << 6) | (0x1 << 3) | 0x1, IXP425_GPIO_GPIT2R); + /* clear pending interrupts */ + writel(-1, IXP425_GPIO_GPISR); + + /* assert PCI reset */ + GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_PCI_RESET_N); + + udelay(533); + + /* deassert PCI reset */ + GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_PCI_RESET_N); + + udelay(533); #endif return 0; @@ -98,30 +193,46 @@ int checkboard(void) } putc('\n'); - return (0); + return 0; } -int dram_init (void) +int dram_init(void) { - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - - return (0); + /* we can only map 64MB via PCI, so we limit memory + until a better solution is implemented. */ +#ifdef CONFIG_PCI + gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 64<<20); +#else + gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 256<<20); +#endif + return 0; } -#if defined(CONFIG_CMD_PCI) || defined(CONFIG_PCI) -extern struct pci_controller hose; -extern void pci_ixp_init(struct pci_controller * hose); - +#ifdef CONFIG_PCI void pci_init_board(void) { - extern void pci_ixp_init (struct pci_controller *hose); - pci_ixp_init(&hose); } + +/* + * dev 0 on the PCI bus is not the host bridge, so we have to override + * these functions in order to not skip PCI slot 0 during configuration. +*/ +int pci_skip_dev(struct pci_controller *hose, pci_dev_t dev) +{ + return 0; +} +int pci_print_dev(struct pci_controller *hose, pci_dev_t dev) +{ + return 1; +} + #endif int board_eth_init(bd_t *bis) { - return pci_eth_init(bis); +#ifdef CONFIG_PCI + pci_eth_init(bis); +#endif + return cpu_eth_init(bis); } |