diff options
Diffstat (limited to 'packages/linux/linux-ezx-2.6.24/patches/ezx-enable-stuart.patch')
| -rw-r--r-- | packages/linux/linux-ezx-2.6.24/patches/ezx-enable-stuart.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/packages/linux/linux-ezx-2.6.24/patches/ezx-enable-stuart.patch b/packages/linux/linux-ezx-2.6.24/patches/ezx-enable-stuart.patch new file mode 100644 index 0000000000..6f1a2c1ba4 --- /dev/null +++ b/packages/linux/linux-ezx-2.6.24/patches/ezx-enable-stuart.patch @@ -0,0 +1,99 @@ +Index: linux-2.6.21/arch/arm/boot/compressed/head.S +=================================================================== +--- linux-2.6.21.orig/arch/arm/boot/compressed/head.S 2007-05-19 11:22:56.000000000 -0300 ++++ linux-2.6.21/arch/arm/boot/compressed/head.S 2007-05-19 11:50:29.000000000 -0300 +@@ -10,6 +10,7 @@ + */ + #include <linux/linkage.h> + ++#define DEBUG + /* + * Debugging stuff + * +@@ -117,6 +118,8 @@ + mov r0, r0 + .endr + ++ inituart r10, r11 ++ + mov r1, #0x300 @ mach_id 0x363 is official EZX + orr r1, r1, #0x63 @ bootloader JUMP doesn't set r1 + +Index: linux-2.6.21/include/asm-arm/arch-pxa/uncompress.h +=================================================================== +--- linux-2.6.21.orig/include/asm-arm/arch-pxa/uncompress.h 2007-05-19 11:22:56.000000000 -0300 ++++ linux-2.6.21/include/asm-arm/arch-pxa/uncompress.h 2007-05-19 11:30:38.000000000 -0300 +@@ -19,9 +19,9 @@ + + static inline void putc(char c) + { +-/* while (!(UART[5] & 0x40)) ++ while (!(UART[5] & 0x40)) + barrier(); +- UART[0] = c;*/ ++ UART[0] = c; + } + + /* +Index: linux-2.6.21/include/asm-arm/arch-pxa/debug-macro.S +=================================================================== +--- linux-2.6.21.orig/include/asm-arm/arch-pxa/debug-macro.S 2007-05-19 11:30:54.000000000 -0300 ++++ linux-2.6.21/include/asm-arm/arch-pxa/debug-macro.S 2007-05-19 11:49:35.000000000 -0300 +@@ -14,11 +14,52 @@ + #include "hardware.h" + + .macro addruart,rx +- mrc p15, 0, \rx, c1, c0 +- tst \rx, #1 @ MMU enabled? +- moveq \rx, #0x40000000 @ physical +- movne \rx, #io_p2v(0x40000000) @ virtual +- orr \rx, \rx, #0x00100000 ++@ mrc p15, 0, \rx, c1, c0 ++@ tst \rx, #1 @ MMU enabled? ++ mov \rx, #0x40000000 ++@ moveq \rx, #0x40000000 @ physical ++@ movne \rx, #io_p2v(0x40000000) @ virtual ++ orr \rx, \rx, #0x00700000 ++ .endm ++ ++ .macro inituart,rd,rx ++ ldr \rd, =0x41300004 @ CKEN ++ ldr \rx, [\rd] ++ orr \rx, \rx, #0x20 ++ str \rx, [\rd] ++ ++ ldr \rd, =0x40E0005C ++ ldr \rx, [\rd] ++ bic \rx, \rx, #0xF0000000 @ clear GPIO46/47 config ++ orr \rx, \rx, #0x60000000 @ set GPIO46: AF2, GPIO47: AF1 ++ str \rx, [\rd] ++ ldr \rd, =0x40E00010 ++ ldr \rx, [\rd] ++ bic \rx, \rx, #0x0000c000 @ clear GPIO46/47 direction ++ orr \rx, \rx, #0x00008000 @ set GPIO 47 out, 46 in ++ str \rx, [\rd] ++ ++ addruart \rd ++ mov \rx, #0x83 @ DLAB = 1 ++ strb \rx, [\rd, #0x0c] ++ ++ mov \rx, #0x08 @ Divisor 8 => 115200 bps ++ strb \rx, [\rd, #0x00] ++ ++ mov \rx, #0x00 ++ strb \rx, [\rd, #0x04] @ Divisor high = 0 ++ ++ mov \rx, #0x03 ++ strb \rx, [\rd, #0x0c] @ DLAB = 0, n81 ++ ++ mov \rx, #0x00 ++ strb \rx, [\rd, #0x10] @ MCR = 0 ++ ++ mov \rx, #0x00 ++ strb \rx, [\rd, #0x28] @ disable autobaud ++ ++ mov \rx, #0x40 ++ strb \rx, [\rd, #0x04] @ IER UUE (UART Enable) + .endm + + #define UART_SHIFT 2 |