diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0375-mtd-spi-nor-renesas-rpc-Support-single-mode-write-co.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0375-mtd-spi-nor-renesas-rpc-Support-single-mode-write-co.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0375-mtd-spi-nor-renesas-rpc-Support-single-mode-write-co.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0375-mtd-spi-nor-renesas-rpc-Support-single-mode-write-co.patch new file mode 100644 index 00000000..6f0454ab --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0375-mtd-spi-nor-renesas-rpc-Support-single-mode-write-co.patch @@ -0,0 +1,61 @@ +From cfdd31e5cef09e255d42a39fe1171db7dfa9bd55 Mon Sep 17 00:00:00 2001 +From: Valentine Barshak <valentine.barshak@cogentembedded.com> +Date: Fri, 16 Nov 2018 00:04:14 +0300 +Subject: [PATCH 195/211] mtd: spi-nor: renesas: rpc: Support single mode write + command + +This adds single mode write command support. + +Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> +Signed-off-by: Valentine Barshak <valentine.barshak@cogentembedded.com> +--- + drivers/mtd/spi-nor/renesas-rpc.c | 12 ++++++++---- + 1 file changed, 8 insertions(+), 4 deletions(-) + +diff --git a/drivers/mtd/spi-nor/renesas-rpc.c b/drivers/mtd/spi-nor/renesas-rpc.c +index af99762..4cd50b1 100644 +--- a/drivers/mtd/spi-nor/renesas-rpc.c ++++ b/drivers/mtd/spi-nor/renesas-rpc.c +@@ -555,7 +555,7 @@ static void rpc_setup_write_mode_command_and_adr(struct rpc_spi *rpc, + rpc_write(rpc, SMENR, val); + } + +-static int rpc_setup_write_mode(struct rpc_spi *rpc) ++static int rpc_setup_write_mode(struct rpc_spi *rpc, u8 opcode) + { + u32 val; + +@@ -576,7 +576,11 @@ static int rpc_setup_write_mode(struct rpc_spi *rpc) + val = rpc_read(rpc, SMENR); + val &= ~(SMENR_OCDB_MASK | SMENR_DME | SMENR_OCDE | SMENR_SPIDB_MASK + | SMENR_ADB_MASK | SMENR_OPDE_MASK | SMENR_SPIDE_MASK); +- val |= SMENR_SPIDE_32B; ++ if (opcode != SPINOR_OP_PP) ++ val |= SMENR_SPIDE_32B; ++ else ++ val |= SMENR_SPIDE_8B; ++ + rpc_write(rpc, SMENR, val); + + return 0; +@@ -750,7 +754,7 @@ static ssize_t rpc_write_flash(struct spi_nor *nor, loff_t to, size_t len, + bo = to & (WRITE_BUF_ADR_MASK); + + rpc_flush_cache(rpc); +- rpc_setup_write_mode(rpc); ++ rpc_setup_write_mode(rpc, nor->program_opcode); + rpc_setup_write_mode_command_and_adr(rpc, nor->addr_width, true); + rpc_setup_writemode_nbits(rpc, 1, 1, 1); + +@@ -767,7 +771,7 @@ static ssize_t rpc_write_flash(struct spi_nor *nor, loff_t to, size_t len, + size_t min = (len < (WRITE_BUF_SIZE - bo)) ? len : (WRITE_BUF_SIZE - bo); + + rpc_write_unaligned(nor, to, min, buf, full); +- rpc_setup_write_mode(rpc); ++ rpc_setup_write_mode(rpc, nor->program_opcode); + + len -= min; + buf += min; +-- +2.7.4 + |