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[ion] ExternalFlash: fix bugs

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Émilie Feral
2019-03-25 17:44:49 +01:00
parent fe7cb58a7c
commit ef6f3f0ca0
1 changed files with 3 additions and 3 deletions
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6
ion/src/device/shared/drivers/external_flash.cpp
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@@ -73,7 +73,7 @@ enum class Command : uint8_t {
ReleaseDeepPowerDown = 0xAB
};
static constexpr uint8_t NumberOfAddressBitsInChip = 23;
static constexpr uint8_t NumberOfAddressBitsInChip = 23; // 2^23 Bytes = 8 MBytes
static constexpr uint8_t NumberOfAddressBitsIn64KbyteBlock = 16;
static constexpr uint32_t FlashAddressSpaceSize = 1 << NumberOfAddressBitsInChip;
@@ -94,7 +94,7 @@ public:
static constexpr QUADSPI::CCR::OperatingMode DefaultOperatingMode = QUADSPI::CCR::OperatingMode::Quad;
static constexpr int AHBClockFrequency = 192; // MHz
static constexpr int ClockFrequencyDivisor = 2;
static constexpr bool ajustNumberOfDummyCycles = AHBClockFrequency < 80 * ClockFrequencyDivisor;
static constexpr bool ajustNumberOfDummyCycles = AHBClockFrequency > 80 * ClockFrequencyDivisor;
static constexpr int FastReadDummyCycles = (DefaultOperatingMode == QUADSPI::CCR::OperatingMode::Quad && ajustNumberOfDummyCycles) ? 4 : 2;
static void send_command_full(QUADSPI::CCR::FunctionalMode functionalMode, QUADSPI::CCR::OperatingMode operatingMode, Command c, uint8_t * address, uint32_t altBytes, size_t numberOfAltBytes, uint8_t dummyCycles, uint8_t * data, size_t dataLength);
@@ -299,7 +299,7 @@ static void initChip() {
/* Parameters sent along with SetReadParameters instruction in order
* to configure the number of dummy cycles for the QPI Read instructions. */
using Register8::Register8;
REGS_BOOL_FIELD_W(P5, 1);
REGS_BOOL_FIELD_W(P5, 5);
};
ReadParameters readParameters(0);
readParameters.setP5(true);