Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.
My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.
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diff --git a/rbutil/mkamsboot/dualboot/dualboot.S b/rbutil/mkamsboot/dualboot/dualboot.S index 5210ba5..30afa5e 100644 .set GPIOD, 0xC80E0000 .set CGU_PERI, 0xC80F0014 +.set CGU_DBOP, 0xC80F0038 +.set DBOP, 0xC8120000 + /* Vectors */ uclcopy: cmp r1, #0 /* C3 = #0 means button pressed */ beq boot_of #elif defined(SANSA_C200V2) - /* check for RIGHT on C6, should changed to LEFT as soon as it - * known in which pin that is in order for consistency */ - ldr r0, =GPIOC - mov r1, #0 - str r1, [r0, #0x400] /* set pin to output */ + ldr r0, =CGU_DBOP + mov r1, #(1<<3) @ no divider + str r1, [r0] - ldr r1, [r0, #256] /* 1<<(6+2) */ - cmp r1, #0 /* C6 low means button pressed */ + ldr r0, =DBOP + ldr r1, =0xe167e167 + str r1, [r0] @ DBOP_TIMPOL_01 + ldr r1, =0xe167006e + str r1, [r0, #4] @ DBOP_TIMPOL_23 + + ldr r2, =GPIOB + mov r1, #0xc + str r1, [r2, #0x420] @ GPIOB_AFSEL + ldr r2, =GPIOC + mov r1, #0xff + str r1, [r2, #0x420] @ GPIOC_AFSEK + + ldr r1, =0x6006e + str r1, [r0, #4] @ DBOP_TIMPOL_23 + ldr r1, =0x52008 + str r1, [r0, #8] @ DBOP_CTRL + ldr r1, =0x6e167 + str r1, [r0] @ DBOP_TIMPOL_01 + ldr r1, =0xa167e06f + str r1, [r0, #4] @ DBOP_TIMPOL_23 + +1: ldr r1, [r0, #0xc] @ DOBP_STAT + orrs r1, r1, #(1<<10) + beq 1b @ make sure fifo is empty + + ldr r1, =0xe167e167 + str r1, [r0, #4] @ DBOP_TIMPOL_23 + mov r1, #(1<<16) @ enable write + orr r1, r1, #(1<<12) @ 16 bit data width + str r1, [r0, #8] @ DBOP_CTRL + mvn r1, #0 @ 0xffff + strh r1, [r0, #0x10] @ DBOP_DOUT + +1: ldr r1, [r0, #0xc] @ DOBP_STAT + orrs r1, r1, #(1<<10) + beq 1b @ make sure fifo is empty + + mov r1, #31 + orr r1, r1, #(1<<12) @ 16 bit data width + orr r1, r1, #(1<<15) @ start read + str r1, [r0, #8] @ DBOP_CTRL + + ldrh r1, [r0, #0x14] @ DBOP_DIN + + ands r1, r1, #(1<<2) @ button left beq boot_of #elif defined(SANSA_M200V4) .set row, (1<<5) /* enable output on A5 */ |
