On Fri, Oct 21, 2022 at 12:29:21PM +0530, Padmarao Begari wrote:
Add QSPI driver code for the Microchip PolarFire SoC. This driver supports the QSPI standard, dual and quad mode interfaces.
Co-developed-by: Naga Sureshkumar Relli nagasuresh.relli@microchip.com Signed-off-by: Naga Sureshkumar Relli nagasuresh.relli@microchip.com Signed-off-by: Padmarao Begari padmarao.begari@microchip.com
drivers/spi/Kconfig | 6 + drivers/spi/Makefile | 1 + drivers/spi/microchip_coreqspi.c | 505 +++++++++++++++++++++++++++++++ 3 files changed, 512 insertions(+) create mode 100644 drivers/spi/microchip_coreqspi.c
+/* QSPI ready time out value */ +#define TIMEOUT_MS (1000 * 60)
Hey Padmarao, just zipping through and cross referencing against the linux driver.. Why's this a 60 * 1000 when linux times out after 500 ms? Other than that, things look identical modulo the required interrupt and clocking changes for U-Boot. Reviewed-by: Conor Dooley conor.dooley@microchip.com
Thanks, Conor.