*/
#include <common.h>
-#include <ppc440.h>
+#include <asm/ppc440.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <i2c.h>
#include <asm/io.h>
#include <asm/mmu.h>
#include <asm/4xx_pcie.h>
-#include <asm/gpio.h>
+#include <asm/ppc4xx-gpio.h>
#include <asm/errno.h>
extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
DECLARE_GLOBAL_DATA_PTR;
-#define CONFIG_SYS_BCSR3_PCIE 0x10
+struct board_bcsr {
+ u8 board_id;
+ u8 cpld_rev;
+ u8 led_user;
+ u8 board_status;
+ u8 reset_ctrl;
+ u8 flash_ctrl;
+ u8 eth_ctrl;
+ u8 usb_ctrl;
+ u8 irq_ctrl;
+};
#define BOARD_CANYONLANDS_PCIE 1
#define BOARD_CANYONLANDS_SATA 2
#define BOARD_ARCHES 4
/*
- * Override the default functions in cpu/ppc4xx/44x_spd_ddr2.c with
+ * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with
* board specific values.
*/
#if defined(CONFIG_ARCHES)
{
#if !defined(CONFIG_ARCHES)
u32 sdr0_cust0;
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
+
#endif
/*
#if !defined(CONFIG_ARCHES)
/* Enable ethernet and take out of reset */
- out_8((void *)CONFIG_SYS_BCSR_BASE + 6, 0);
+ out_8(&bcsr_data->eth_ctrl, 0) ;
/* Remove NOR-FLASH, NAND-FLASH & EEPROM hardware write protection */
- out_8((void *)CONFIG_SYS_BCSR_BASE + 5, 0);
-
- /* Enable USB host & USB-OTG */
- out_8((void *)CONFIG_SYS_BCSR_BASE + 7, 0);
-
+ out_8(&bcsr_data->flash_ctrl, 0) ;
mtsdr(SDR0_SRST1, 0); /* Pull AHB out of reset default=1 */
/* Setup PLB4-AHB bridge based on the system address map */
mtdcr(AHB_TOP, 0x8000004B);
mtdcr(AHB_BOT, 0x8000004B);
- if (pvr_460ex()) {
- /*
- * Configure USB-STP pins as alternate and not GPIO
- * It seems to be neccessary to configure the STP pins as GPIO
- * input at powerup (perhaps while USB reset is asserted). So
- * we configure those pins to their "real" function now.
- */
- gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
- gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
- }
#endif
return 0;
}
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_BOARD_INIT)
+int usb_board_init(void)
+{
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
+ u8 val;
+
+ /* Enable USB host & USB-OTG */
+ val = in_8(&bcsr_data->usb_ctrl);
+ val &= ~(BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
+ out_8(&bcsr_data->usb_ctrl, val);
+
+ /*
+ * Configure USB-STP pins as alternate and not GPIO
+ * It seems to be neccessary to configure the STP pins as GPIO
+ * input at powerup (perhaps while USB reset is asserted). So
+ * we configure those pins to their "real" function now.
+ */
+ gpio_config(16, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+ gpio_config(19, GPIO_OUT, GPIO_ALT1, GPIO_OUT_1);
+
+ return 0;
+}
+
+int usb_board_stop(void)
+{
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
+ u8 val;
+
+ /* Disable USB host & USB-OTG */
+ val = in_8(&bcsr_data->usb_ctrl);
+ val |= (BCSR_USBCTRL_OTG_RST | BCSR_USBCTRL_HOST_RST);
+ out_8(&bcsr_data->usb_ctrl, val);
+
+ /* Reconfigure USB-STP pins as input */
+ gpio_config(16, GPIO_IN , GPIO_SEL, GPIO_OUT_0);
+ gpio_config(19, GPIO_IN , GPIO_SEL, GPIO_OUT_0);
+
+ return 0;
+}
+
+int usb_board_init_fail(void)
+{
+ return usb_board_stop();
+}
+#endif /* CONFIG_USB_OHCI_NEW && CONFIG_SYS_USB_OHCI_BOARD_INIT */
+
#if !defined(CONFIG_ARCHES)
static void canyonlands_sata_init(int board_type)
{
#if !defined(CONFIG_ARCHES)
int checkboard(void)
{
- char *s = getenv("serial#");
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
+ char buf[64];
+ int i = getenv_f("serial#", buf, sizeof(buf));
if (pvr_460ex()) {
printf("Board: Canyonlands - AMCC PPC460EX Evaluation Board");
- if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 3)) & CONFIG_SYS_BCSR3_PCIE)
+ if (in_8(&bcsr_data->board_status) & BCSR_SELECT_PCIE)
gd->board_type = BOARD_CANYONLANDS_PCIE;
else
gd->board_type = BOARD_CANYONLANDS_SATA;
break;
}
- printf(", Rev. %X", in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)));
+ printf(", Rev. %X", in_8(&bcsr_data->cpld_rev));
- if (s != NULL) {
+ if (i > 0) {
puts(", serial# ");
- puts(s);
+ puts(buf);
}
putc('\n');
}
#endif /* !defined(CONFIG_ARCHES) */
-#if defined(CONFIG_NAND_U_BOOT)
-/*
- * NAND booting U-Boot version uses a fixed initialization, since the whole
- * I2C SPD DIMM autodetection/calibration doesn't fit into the 4k of boot
- * code.
- */
-phys_size_t initdram(int board_type)
-{
- return CONFIG_SYS_MBYTES_SDRAM << 20;
-}
-#endif
-
-/*
- * pci_target_init
- *
- * The bootstrap configuration provides default settings for the pci
- * inbound map (PIM). But the bootstrap config choices are limited and
- * may not be sufficient for a given board.
- */
-#if defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT)
-void pci_target_init(struct pci_controller * hose )
-{
- /*
- * Disable everything
- */
- out_le32((void *)PCIL0_PIM0SA, 0); /* disable */
- out_le32((void *)PCIL0_PIM1SA, 0); /* disable */
- out_le32((void *)PCIL0_PIM2SA, 0); /* disable */
- out_le32((void *)PCIL0_EROMBA, 0); /* disable expansion rom */
-
- /*
- * Map all of SDRAM to PCI address 0x0000_0000. Note that the 440
- * strapping options to not support sizes such as 128/256 MB.
- */
- out_le32((void *)PCIL0_PIM0LAL, CONFIG_SYS_SDRAM_BASE);
- out_le32((void *)PCIL0_PIM0LAH, 0);
- out_le32((void *)PCIL0_PIM0SA, ~(gd->ram_size - 1) | 1);
- out_le32((void *)PCIL0_BAR0, 0);
-
- /*
- * Program the board's subsystem id/vendor id
- */
- out_le16((void *)PCIL0_SBSYSVID, CONFIG_SYS_PCI_SUBSYS_VENDORID);
- out_le16((void *)PCIL0_SBSYSID, CONFIG_SYS_PCI_SUBSYS_DEVICEID);
-
- out_le16((void *)PCIL0_CMD, in16r(PCIL0_CMD) | PCI_COMMAND_MEMORY);
-}
-#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_PCI_TARGET_INIT) */
-
#if defined(CONFIG_PCI)
-/*
- * is_pci_host
- *
- * This routine is called to determine if a pci scan should be
- * performed. With various hardware environments (especially cPCI and
- * PPMC) it's insufficient to depend on the state of the arbiter enable
- * bit in the strap register, or generic host/adapter assumptions.
- *
- * Rather than hard-code a bad assumption in the general 440 code, the
- * 440 pci code requires the board to decide at runtime.
- *
- * Return 0 for adapter mode, non-zero for host (monarch) mode.
- */
-int is_pci_host(struct pci_controller *hose)
-{
- /* Board is always configured as host. */
- return (1);
-}
-
int board_pcie_first(void)
{
/*