diff options
| author | Rupjyoti Sarmah <rsarmah@amcc.com> | 2010-07-07 18:14:48 +0530 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2010-07-23 09:53:20 +0200 |
| commit | 17a684449728ce4c9ce79fa9e7e75b86a5f9b41d (patch) | |
| tree | 598a21c158a6515e7b2a74ed8a485e1d5d8246dc /board/amcc | |
| parent | 1f82ff4777f360e92aa37bbbed647f7b9d9d2044 (diff) | |
| download | blackbird-obmc-uboot-17a684449728ce4c9ce79fa9e7e75b86a5f9b41d.tar.gz blackbird-obmc-uboot-17a684449728ce4c9ce79fa9e7e75b86a5f9b41d.zip | |
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.c | 64 |
1 files changed, 55 insertions, 9 deletions
diff --git a/board/amcc/canyonlands/canyonlands.c b/board/amcc/canyonlands/canyonlands.c index 23874d2667..158f7bb272 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# "); |
