diff options
author | Wolfgang Denk <wd@denx.de> | 2011-06-23 15:37:33 +0200 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2011-06-23 15:37:33 +0200 |
commit | 9623c158f6a5150a21c25026bfba79e7ff7912f5 (patch) | |
tree | 2c4d4209a34baa810a6f3fb409e1f8e494f01b31 /board/ixdp425 | |
parent | 2ad6e27dcdbd694de8e3823d2b52b250b1a59219 (diff) | |
parent | 1ed63c549892bc3a4ce1a43f09a6a92a00054f3d (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm:
run arm_pci_init after relocation
IXP42x PCI rewrite
update/fix PDNB3 board
update/fix IXDP425 / IXDPG425 boards
add dvlhost (dLAN 200 AV Wireless G) board
IXP NPE: add support for fixed-speed MII ports
update/fix AcTux4 board
update/fix AcTux3 board
update/fix AcTux2 board
update/fix AcTux1 board
use -ffunction-sections / --gc-sections on IXP42x
support CONFIG_SYS_LDSCRIPT on ARM
fix "depend" target in npe directory
Fix IXP code to work after relocation was added
trigger hardware watchdog in IXP42x serial driver
add support for IXP42x Rev. B1 and newer
add XScale sub architecture (IXP/PXA) to maintainer list
Conflicts:
arch/arm/lib/board.c
Signed-off-by: Wolfgang Denk <wd@denx.de>
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 509c894a28..0000000000 --- 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 f1d9190eac..0000000000 --- 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 a29d584389..7269458fef 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); } |