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Add support for 1_1_2 and 1_2_2 modes in HAL

pull/6106/head
Senthil Ramakrishnan 2017-11-30 11:45:44 -06:00 committed by Martin Kojtal
parent d8ba8b3b06
commit eb3fc1334a
1 changed files with 21 additions and 1 deletions
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22
targets/TARGET_NORDIC/TARGET_NRF5/qspi_api.c
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@ -100,11 +100,31 @@ qspi_status_t qspi_prepare_command(qspi_t *obj, const qspi_command_t *command, b
} else { } else {
config.prot_if.readoc = NRF_QSPI_READOC_READ4IO; config.prot_if.readoc = NRF_QSPI_READOC_READ4IO;
} }
// 1-1-2
} else if (command->instruction.bus_width == QSPI_CFG_BUS_SINGLE &&
command->address.bus_width == QSPI_CFG_BUS_SINGLE &&
command->data.bus_width == QSPI_CFG_BUS_DUAL) {
// 1-1-2
if (write) {
config.prot_if.writeoc = NRF_QSPI_WRITEOC_PP2O;
} else {
config.prot_if.readoc = NRF_QSPI_READOC_READ2O;
}
// 1-2-2
} else if (command->instruction.bus_width == QSPI_CFG_BUS_SINGLE &&
command->address.bus_width == QSPI_CFG_BUS_DUAL &&
command->data.bus_width == QSPI_CFG_BUS_DUAL) {
// 1-2-2
if (write) {
//Currently NRF52840 does not define PP2IO, so use PP2O for 1-2-2 mode
config.prot_if.writeoc = NRF_QSPI_WRITEOC_PP2O;
} else {
config.prot_if.readoc = NRF_QSPI_READOC_READ2IO;
}
} }
} }
qspi_status_t ret = QSPI_STATUS_OK; qspi_status_t ret = QSPI_STATUS_OK;
// supporting only 24 or 32 bit address // supporting only 24 or 32 bit address
if (command->address.size == QSPI_CFG_ADDR_SIZE_24) { if (command->address.size == QSPI_CFG_ADDR_SIZE_24) {
config.prot_if.addrmode = NRF_QSPI_ADDRMODE_24BIT; config.prot_if.addrmode = NRF_QSPI_ADDRMODE_24BIT;