CPCAP
it is a Motorola's name of Power Manager chip (TWL5030 for our phones)
Block Diagram
Debugging
- HOWTO Use JTAG on TPS65950 File:JTAG on TPS65950.pdf
Code Samples
uint16_t cpcap_regacc_read(uint16_t reg, uint16_t *buf, uint16_t mask)
{
treg = (reg << 19) >> 1;
spi_send_ORR(0, 0);
spi_read_write_2(0, 0, treg, buf);
spi_send_BIC(0, 0);
*buf &= mask;
return *buf;
}
uint16_t cpcap_regacc_write(uint16_t reg, uint16_t data, uint16_t mask)
{
uint16_t buf = 0;
uint16_t treg;
cpcap_regacc_read(reg, &buf, 65535);
buf &= ~mask;
__asm { UBFX.W treg, reg, #0, #0xD ; Unsigned Bit Field Extract }
treg = (treg << 18) | 0x80000000 | (uint16_t)(data & mask | (uint16_t)buf);
spi_send_ORR(0, 0);
spi_read_write_2(0, 0, treg, buf);
spi_send_BIC(0, 0);
return buf;
}
void cpcap_init_chain()
{
cpcap_regacc_write(387, 25656, 0xFFFF);
cpcap_regacc_write(394, 40, 0xFFFF);
cpcap_regacc_write(12, 257, 0xFFFF);
cpcap_regacc_write(391, 1337, 0xFFFF);
cpcap_regacc_write(385, 513, 0xFFFF);
cpcap_regacc_write(386, 196, 0xFFFF);
cpcap_regacc_write(397, 19, 0xFFFF);
delay(1);
cpcap_regacc_write(411, 324, 0xFFFF);
cpcap_regacc_write(412, 41, 0xFFFF;
cpcap_regacc_write(413, 41, 0xFFFF);
cpcap_regacc_write(768, 4096, 0xFFFF);
cpcap_regacc_write(769, 16755, 0xFF7F);
cpcap_regacc_write(896, 4097, 0xFFFF);
cpcap_regacc_write(897, 49184, 0xFFFF);
cpcap_regacc_write(898, 15615, 0xFFFF);
cpcap_regacc_write(1024, 16383, 0xFFFF);
cpcap_regacc_write(7936, 21577, 0xFFFF);
cpcap_regacc_write(7970, 2720, 0xFFFF);
cpcap_regacc_write(7936, 0, 0xFFFF);
cpcap_regacc_write(384, 56068, 0xFFFF);
}
void cpcap_reset_chain()
{
cpcap_regacc_write(384, 56084, 0xFFFF);
cpcap_regacc_write(385, 513, 0xFFFF);
cpcap_regacc_write(386, 196, 0xFFFF);
cpcap_regacc_write(387, 25652, 0xFFFF);
cpcap_regacc_write(388, 15380, 0xFFFF);
cpcap_regacc_write(389, 25652, 0xFFFF);
cpcap_regacc_write(390, 15380, 0xFFFF);
cpcap_regacc_write(391, 1337, 0xFFFF);
cpcap_regacc_write(392, 18740, 0xFFFF);
cpcap_regacc_write(394, 0, 0xFFFF);
cpcap_regacc_write(395, 0, 0xFFFF);
cpcap_regacc_write(396, 0, 0xFFFF);
cpcap_regacc_write(398, 0, 0xFFFF);
cpcap_regacc_write(399, 0, 0xFFFF);
cpcap_regacc_write(400, 0, 0xFFFF);
cpcap_regacc_write(401, 0, 0xFFFF);
cpcap_regacc_write(402, 0, 0xFFFF);
cpcap_regacc_write(403, 91, 0xFFFF);
cpcap_regacc_write(404, 0, 0xFFFF);
cpcap_regacc_write(405, 0, 0xFFFF);
cpcap_regacc_write(406, 41, 0xFFFF);
cpcap_regacc_write(407, 0, 0xFFFF);
cpcap_regacc_write(408, 0, 0xFFFF);
cpcap_regacc_write(409, 0, 0xFFFF);
cpcap_regacc_write(410, 0, 0xFFFF);
cpcap_regacc_write(411, 0, 0xFFFF);
cpcap_regacc_write(412, 41, 0xFFFF);
cpcap_regacc_write(413, 41, 0xFFFF);
cpcap_regacc_write(512, 0, 0xFFFF);
cpcap_regacc_write(1024, 0, 0xFFFF);
cpcap_regacc_write(1025, 0, 0xFFFF);
cpcap_regacc_write(1026, 0, 0xFFFF);
}
void cpcap_init()
{
log_write("\r\n************* \r\n");
log_write("CPCAP_init( ) \r\n");
log_write("************* \r\n");
spi_read_write_3();
cpcap_check_ULPI_and_VBUS();
cpcap_init_chain();
}
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ROM:8F31C666 ; =============== S U B R O U T I N E ======================================= ROM:8F31C666 ROM:8F31C666 ; Attributes: noreturn ROM:8F31C666 ROM:8F31C666 ; int __fastcall pcap_init() ROM:8F31C666 pcap_init ; CODE XREF: hardware_init+1E�p ROM:8F31C666 000 10 B5 PUSH {R4,LR} ; Push registers ROM:8F31C668 008 59 A0 ADR R0, comments_0_msg ; "\r\n************* \r\n" ROM:8F31C66A 008 01 F0 F6 F9 BL log_write ; Branch with Link ROM:8F31C66E 008 5D A0 ADR R0, CPCAP_INIT_MSG ; "CPCAP_init( ) \r\n" ROM:8F31C670 008 01 F0 F3 F9 BL log_write ; Branch with Link ROM:8F31C674 008 60 A0 ADR R0, comments_1_msg ; "************* \r\n" ROM:8F31C676 008 01 F0 F0 F9 BL log_write ; Branch with Link ROM:8F31C67A 008 05 F0 2F FE BL spi_read_write_3 ; Branch with Link ROM:8F31C67E 008 FF F7 EA FE BL check_ULPI_and_VBUS ; Branch with Link ROM:8F31C682 008 FF F7 53 FF BL pcap_init_key ; Branch with Link ROM:8F31C686 ; --------------------------------------------------------------------------- ROM:8F31C686 008 80 21 MOVS R1, #0x80 ; Rd = Op2 ROM:8F31C688 008 60 48 LDR R0, =0x8FB52188 ; Load from Memory ROM:8F31C68A 008 0D F0 56 EA BLX memclr_1 ; Branch with Link and Exchange (immediate address) ROM:8F31C68E 008 10 BD POP {R4,PC} ; Pop registers ROM:8F31C68E ; End of function pcap_init ROM:8F31C68E