Replace most of the switch cases in the spi code with lookup on a struct instead

This brings the SPI code in line with the generic programmer
infrastructure.

This patch is a reworked version of a patch by Jakob Bornecrantz.

Corresponding to flashrom svn r657.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Signed-off-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Jakob Bornecrantz <wallbraker@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/ichspi.c b/ichspi.c
index 73dc249..5d2e40f 100644
--- a/ichspi.c
+++ b/ichspi.c
@@ -742,3 +742,23 @@ int ich_spi_send_command(unsigned int writecnt, unsigned int readcnt,
 
 	return result;
 }
+
+int ich_spi_send_multicommand(struct spi_command *spicommands)
+{
+	int ret = 0;
+	while ((spicommands->writecnt || spicommands->readcnt) && !ret) {
+		ret = ich_spi_send_command(spicommands->writecnt, spicommands->readcnt,
+					   spicommands->writearr, spicommands->readarr);
+		/* This awful hack needs to be smarter.
+		 */
+		if ((ret == SPI_INVALID_OPCODE) &&
+		    ((spicommands->writearr[0] == JEDEC_WREN) ||
+		     (spicommands->writearr[0] == JEDEC_EWSR))) {
+			printf_debug(" due to SPI master limitation, ignoring"
+				     " and hoping it will be run as PREOP\n");
+			ret = 0;
+		}
+		spicommands++;
+	}
+	return ret;
+}