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authorJames <>2015-11-04 11:49:21 +0000
committerJames <>2015-11-04 11:49:21 +0000
commit716ca530e1c4515d8683c9d5be3d56b301758b66 (patch)
tree700eb5bcc1a462a5f21dcec15ce7c97ecfefa772 /package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch
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Diffstat (limited to 'package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch')
-rw-r--r--package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch80
1 files changed, 80 insertions, 0 deletions
diff --git a/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch b/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch
new file mode 100644
index 0000000..960085c
--- /dev/null
+++ b/package/boot/uboot-lantiq/patches/0004-sf-add-slim-probe-funtions-for-SPL.patch
@@ -0,0 +1,80 @@
+From da11da943487e2f724f25d409bcaa1f099637c0b Mon Sep 17 00:00:00 2001
+From: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+Date: Sun, 13 Oct 2013 14:56:45 +0200
+Subject: sf: add slim probe funtions for SPL
+
+Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+
+--- a/drivers/mtd/spi/sf_probe.c
++++ b/drivers/mtd/spi/sf_probe.c
+@@ -365,3 +365,58 @@ void spi_flash_free(struct spi_flash *fl
+ spi_free_slave(flash->spi);
+ free(flash);
+ }
++
++#ifdef CONFIG_SPI_SPL_SIMPLE
++int spl_spi_flash_probe(struct spi_flash *flash)
++{
++ struct spi_slave *spi;
++ u8 idcode[5];
++ int ret;
++
++ /* Setup spi_slave */
++ spi = spi_setup_slave(CONFIG_SPL_SPI_BUS, CONFIG_SPL_SPI_CS,
++ CONFIG_SPL_SPI_MAX_HZ, CONFIG_SPL_SPI_MODE);
++ if (!spi) {
++ debug("SF: Failed to set up slave\n");
++ return -1;
++ }
++
++ /* Claim spi bus */
++ ret = spi_claim_bus(spi);
++ if (ret) {
++ debug("SF: Failed to claim SPI bus: %d\n", ret);
++ goto err_claim_bus;
++ }
++
++ /* Read the ID codes */
++ ret = spi_flash_cmd(spi, CMD_READ_ID, idcode, sizeof(idcode));
++ if (ret) {
++ debug("SF: Failed to get idcodes\n");
++ goto err_read_id;
++ }
++
++ /* Validate params from spi_flash_params table */
++ flash->spi = spi;
++ ret = spi_flash_validate_params(flash, idcode);
++ if (ret)
++ goto err_read_id;
++
++ /* Release spi bus */
++ spi_release_bus(spi);
++
++ return 0;
++
++err_read_id:
++ spi_release_bus(spi);
++err_claim_bus:
++ spi_free_slave(spi);
++ flash->spi = NULL;
++
++ return ret;
++}
++
++void spl_spi_flash_free(struct spi_flash *flash)
++{
++ spi_free_slave(flash->spi);
++}
++#endif
+--- a/include/spi_flash.h
++++ b/include/spi_flash.h
+@@ -69,6 +69,9 @@ struct spi_flash *spi_flash_probe(unsign
+ unsigned int max_hz, unsigned int spi_mode);
+ void spi_flash_free(struct spi_flash *flash);
+
++int spl_spi_flash_probe(struct spi_flash *flash);
++void spl_spi_flash_free(struct spi_flash *flash);
++
+ static inline int spi_flash_read(struct spi_flash *flash, u32 offset,
+ size_t len, void *buf)
+ {