/*
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
* (C) Copyright 2002
* Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
*
* MA 02111-1307 USA
*/
-#include <asm/arch/ixp425.h>
#include <common.h>
+#include <command.h>
+#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 } },
-/* local prototypes */
+ { 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_post_init (void)
-/**********************************************************/
+int board_init(void)
{
- return (0);
-}
-
-int
-/**********************************************************/
-board_init (void)
-/**********************************************************/
-{
- DECLARE_GLOBAL_DATA_PTR;
+ 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
+ /*
+ * Get realtek RTL8305 switch and SLIC out of reset
+ */
+ GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SWITCH_RESET_N);
+ GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SWITCH_RESET_N);
+ GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_SLIC_RESET_N);
+ GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_SLIC_RESET_N);
+
+ /*
+ * 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 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;
}
-int
-/**********************************************************/
-dram_init (void)
-/**********************************************************/
+/*
+ * Check Board Identity
+ */
+int checkboard(void)
{
- DECLARE_GLOBAL_DATA_PTR;
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
+
+#ifdef CONFIG_IXDPG425
+ puts("Board: IXDPG425 - Intel Network Gateway Reference Platform");
+#else
+ puts("Board: IXDP425 - Intel Development Platform");
+#endif
+
+ if (i > 0) {
+ puts(", serial# ");
+ puts(buf);
+ }
+ putc('\n');
- gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
- gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ return 0;
+}
- return (0);
+int dram_init(void)
+{
+ /* 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;
}
-extern struct pci_controller hose;
+
+#ifdef CONFIG_PCI
void pci_init_board(void)
{
pci_ixp_init(&hose);
- return ;
+}
+
+/*
+ * 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)
+{
+#ifdef CONFIG_PCI
+ pci_eth_init(bis);
+#endif
+ return cpu_eth_init(bis);
}
projects / oweals / u-boot.git / blobdiff