aboutsummaryrefslogtreecommitdiff
path: root/board/amcc
diff options
context:
space:
mode:
authorRupjyoti Sarmah <rsarmah@amcc.com>2010-07-07 18:14:48 +0530
committerStefan Roese <sr@denx.de>2010-07-23 09:53:20 +0200
commit17a684449728ce4c9ce79fa9e7e75b86a5f9b41d (patch)
tree598a21c158a6515e7b2a74ed8a485e1d5d8246dc /board/amcc
parent1f82ff4777f360e92aa37bbbed647f7b9d9d2044 (diff)
downloadu-boot-linaro-natty-17a684449728ce4c9ce79fa9e7e75b86a5f9b41d.tar.gz
ppc4xx/Canyonlands added USB board callbacks
Functions added to support board callbacks for USB init. This isolates USB manipulations such that it is only touched if USB is used by U-Boot. Signed-off-by: Dave Mitchell <dmitchell@appliedmicro.com> Signed-off-by: Rupjyoti Sarmah <rsarmah@appliedmicro.com> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/amcc')
-rw-r--r--board/amcc/canyonlands/canyonlands.c64
1 files changed, 55 insertions, 9 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c
index 23874d266..158f7bb27 100644
--- a/board/amcc/canyonlands/canyonlands.c
+++ b/board/amcc/canyonlands/canyonlands.c
@@ -34,7 +34,17 @@ extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH ch
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
@@ -112,6 +122,9 @@ int board_early_init_f(void)
{
#if !defined(CONFIG_ARCHES)
u32 sdr0_cust0;
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
+
#endif
/*
@@ -172,14 +185,10 @@ int board_early_init_f(void)
#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 */
@@ -201,6 +210,41 @@ int board_early_init_f(void)
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);
+
+ 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);
+
+ 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)
{
@@ -244,11 +288,13 @@ int get_cpu_num(void)
#if !defined(CONFIG_ARCHES)
int checkboard(void)
{
+ struct board_bcsr *bcsr_data =
+ (struct board_bcsr *)CONFIG_SYS_BCSR_BASE;
char *s = getenv("serial#");
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;
@@ -268,7 +314,7 @@ int checkboard(void)
break;
}
- printf(", Rev. %X", in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)));
+ printf(", Rev. %X", in_8(&bcsr_data->cpld_rev));
if (s != NULL) {
puts(", serial# ");