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| author |   Mike Frysinger <vapier.adi@gmail.com> | 2008-08-14 15:15:43 +0800 |
|---|---|---|
| committer |   Bryan Wu <cooloney@kernel.org> | 2008-08-14 15:15:43 +0800 |
| commit | 7e1e7aed0ca082b4e76567ee7ea13993b476e66a (patch) | |
| tree | 8d294d0b5f838e52f708b6bba622acdf2231c755 /arch/blackfin/mach-bf533/head.S | |
| parent | Blackfin arch: clear EMAC_SYSTAT during IRQ init rather than early head.S as we dont need it setup that early (diff) | |
| download | linux-dev-7e1e7aed0ca082b4e76567ee7ea13993b476e66a.tar.xz linux-dev-7e1e7aed0ca082b4e76567ee7ea13993b476e66a.zip | |
Blackfin arch: do not muck with the UART during boot -- let the serial driver worry about it
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf533/head.S')
| -rw-r--r-- | arch/blackfin/mach-bf533/head.S | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/blackfin/mach-bf533/head.S b/arch/blackfin/mach-bf533/head.S index 184296bee3c9..d59db86195b6 100644 --- a/arch/blackfin/mach-bf533/head.S +++ b/arch/blackfin/mach-bf533/head.S @@ -35,54 +35,6 @@ #include <asm/mach/mem_init.h> #endif -.extern _bf53x_relocate_l1_mem - -__INIT - -ENTRY(_mach_early_start) - p0.h = hi(FIO_MASKA_C); - p0.l = lo(FIO_MASKA_C); - r0 = 0xFFFF(Z); - w[p0] = r0.L; /* Disable all interrupts */ - ssync; - - p0.h = hi(FIO_MASKB_C); - p0.l = lo(FIO_MASKB_C); - r0 = 0xFFFF(Z); - w[p0] = r0.L; /* Disable all interrupts */ - ssync; - - /* Initialise UART - when booting from u-boot, the UART is not disabled - * so if we dont initalize here, our serial console gets hosed */ - p0.h = hi(BFIN_UART_LCR); - p0.l = lo(BFIN_UART_LCR); - r0 = 0x0(Z); - w[p0] = r0.L; /* To enable DLL writes */ - ssync; - - p0.h = hi(BFIN_UART_DLL); - p0.l = lo(BFIN_UART_DLL); - r0 = 0x0(Z); - w[p0] = r0.L; - ssync; - - p0.h = hi(BFIN_UART_DLH); - p0.l = lo(BFIN_UART_DLH); - r0 = 0x00(Z); - w[p0] = r0.L; - ssync; - - p0.h = hi(BFIN_UART_GCTL); - p0.l = lo(BFIN_UART_GCTL); - r0 = 0x0(Z); - w[p0] = r0.L; /* To enable UART clock */ - ssync; - - rts; -ENDPROC(_mach_early_start) - -__FINIT - .section .l1.text #ifdef CONFIG_BFIN_KERNEL_CLOCK ENTRY(_start_dma_code) |