1 0xF8000120 0x1F000200 // ARM_CLK_CTRL - divisor = 2 433 MHz (?)
58 0xF800014C 0x00000621 // LQSPI_CLK_CTRL - ARMPLL/6 (200 MHz)
59 0xE000D000 0x800238C1 // QSPI config - divide-by-2
60 0xE000D038 0x00000020 // QSPI loopback - internal, 0 delay
61 0xE000D0A0 0xE2FF06EB // LQSPI_CFG - Quad read, dual flash