diff options
Diffstat (limited to 'arch/arm/mach-kirkwood/tsx1x-common.c')
-rw-r--r-- | arch/arm/mach-kirkwood/tsx1x-common.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/arm/mach-kirkwood/tsx1x-common.c b/arch/arm/mach-kirkwood/tsx1x-common.c deleted file mode 100644 index cec87cef76c..00000000000 --- a/arch/arm/mach-kirkwood/tsx1x-common.c +++ /dev/null @@ -1,113 +0,0 @@ -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/platform_device.h> -#include <linux/mtd/physmap.h> -#include <linux/spi/flash.h> -#include <linux/spi/spi.h> -#include <linux/serial_reg.h> -#include <mach/kirkwood.h> -#include "common.h" -#include "tsx1x-common.h" - -/* - * QNAP TS-x1x Boards flash - */ - -/**************************************************************************** - * 16 MiB NOR flash. The struct mtd_partition is not in the same order as the - * partitions on the device because we want to keep compatibility with - * the QNAP firmware. - * Layout as used by QNAP: - * 0x00000000-0x00080000 : "U-Boot" - * 0x00200000-0x00400000 : "Kernel" - * 0x00400000-0x00d00000 : "RootFS" - * 0x00d00000-0x01000000 : "RootFS2" - * 0x00080000-0x000c0000 : "U-Boot Config" - * 0x000c0000-0x00200000 : "NAS Config" - * - * We'll use "RootFS1" instead of "RootFS" to stay compatible with the layout - * used by the QNAP TS-109/TS-209. - * - ***************************************************************************/ - -static struct mtd_partition qnap_tsx1x_partitions[] = { - { - .name = "U-Boot", - .size = 0x00080000, - .offset = 0, - .mask_flags = MTD_WRITEABLE, - }, { - .name = "Kernel", - .size = 0x00200000, - .offset = 0x00200000, - }, { - .name = "RootFS1", - .size = 0x00900000, - .offset = 0x00400000, - }, { - .name = "RootFS2", - .size = 0x00300000, - .offset = 0x00d00000, - }, { - .name = "U-Boot Config", - .size = 0x00040000, - .offset = 0x00080000, - }, { - .name = "NAS Config", - .size = 0x00140000, - .offset = 0x000c0000, - }, -}; - -static const struct flash_platform_data qnap_tsx1x_flash = { - .type = "m25p128", - .name = "spi_flash", - .parts = qnap_tsx1x_partitions, - .nr_parts = ARRAY_SIZE(qnap_tsx1x_partitions), -}; - -static struct spi_board_info __initdata qnap_tsx1x_spi_slave_info[] = { - { - .modalias = "m25p80", - .platform_data = &qnap_tsx1x_flash, - .irq = -1, - .max_speed_hz = 20000000, - .bus_num = 0, - .chip_select = 0, - }, -}; - -void __init qnap_tsx1x_register_flash(void) -{ - spi_register_board_info(qnap_tsx1x_spi_slave_info, - ARRAY_SIZE(qnap_tsx1x_spi_slave_info)); - kirkwood_spi_init(); -} - - -/***************************************************************************** - * QNAP TS-x1x specific power off method via UART1-attached PIC - ****************************************************************************/ - -#define UART1_REG(x) (UART1_VIRT_BASE + ((UART_##x) << 2)) - -void qnap_tsx1x_power_off(void) -{ - /* 19200 baud divisor */ - const unsigned divisor = ((kirkwood_tclk + (8 * 19200)) / (16 * 19200)); - - pr_info("%s: triggering power-off...\n", __func__); - - /* hijack UART1 and reset into sane state (19200,8n1) */ - writel(0x83, UART1_REG(LCR)); - writel(divisor & 0xff, UART1_REG(DLL)); - writel((divisor >> 8) & 0xff, UART1_REG(DLM)); - writel(0x03, UART1_REG(LCR)); - writel(0x00, UART1_REG(IER)); - writel(0x00, UART1_REG(FCR)); - writel(0x00, UART1_REG(MCR)); - - /* send the power-off command 'A' to PIC */ - writel('A', UART1_REG(TX)); -} - |