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>

1 files changed, 0 insertions, 50 deletions

diff --git a/arch/blackfin/mach-bf537/head.S b/arch/blackfin/mach-bf537/head.S
index ba81b779511d..64e0287ab266 100644
--- a/arch/blackfin/mach-bf537/head.S
+++ b/arch/blackfin/mach-bf537/head.S
@@ -35,56 +35,6 @@
 #include <asm/mach/mem_init.h>
 #endif
 
-.extern _bf53x_relocate_l1_mem
-
-__INIT
-
-ENTRY(_mach_early_start)
-        /* Initialise General-Purpose I/O Modules on BF537 */
-        p0.h = hi(BFIN_PORT_MUX);
-        p0.l = lo(BFIN_PORT_MUX);
-        R0 = (PGDE_UART | PFTE_UART)(Z);
-        W[P0] = R0.L; /* Enable both UARTS */
-        SSYNC;
-
-        /* Enable peripheral function of PORTF for UART0 and UART1 */
-        p0.h = hi(PORTF_FER);
-        p0.l = lo(PORTF_FER);
-        R0 = 0x000F(Z);
-        W[P0] = R0.L;
-        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)