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Diffstat (limited to 'target/linux/brcm63xx/patches-4.19/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch')
-rw-r--r--target/linux/brcm63xx/patches-4.19/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch84
1 files changed, 0 insertions, 84 deletions
diff --git a/target/linux/brcm63xx/patches-4.19/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch b/target/linux/brcm63xx/patches-4.19/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch
deleted file mode 100644
index 329a156fe1..0000000000
--- a/target/linux/brcm63xx/patches-4.19/345-MIPS-BCM63XX-fixup-mapped-SPI-flash-access-on-boot.patch
+++ /dev/null
@@ -1,84 +0,0 @@
-From 1cacd0f7b0d35f8e3d3f8a69ecb3b5e436d6b9e8 Mon Sep 17 00:00:00 2001
-From: Jonas Gorski <jogo@openwrt.org>
-Date: Sun, 22 Dec 2013 13:25:25 +0100
-Subject: [PATCH 52/56] MIPS: BCM63XX: fixup mapped SPI flash access on boot
-
-Some bootloaders leave the flash access in an invalid state with dual
-read enabled; fix it by disabling it and falling back to simple fast
-reads.
-
-Signed-off-by: Jonas Gorski <jogo@openwrt.org>
----
- arch/mips/bcm63xx/dev-flash.c | 51 ++++++++++++++++++++++++++++++++++++
- 1 file changed, 51 insertions(+)
-
---- a/arch/mips/bcm63xx/dev-flash.c
-+++ b/arch/mips/bcm63xx/dev-flash.c
-@@ -16,6 +16,7 @@
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/partitions.h>
- #include <linux/mtd/physmap.h>
-+#include <linux/mtd/spi-nor.h>
-
- #include <bcm63xx_cpu.h>
- #include <bcm63xx_dev_flash.h>
-@@ -110,9 +111,59 @@ static int __init bcm63xx_detect_flash_t
- }
- }
-
-+#define HSSPI_FLASH_CTRL_REG 0x14
-+#define FLASH_CTRL_READ_OPCODE_MASK 0xff
-+#define FLASH_CTRL_ADDR_BYTES_MASK (0x3 << 8)
-+#define FLASH_CTRL_ADDR_BYTES_2 (0 << 8)
-+#define FLASH_CTRL_ADDR_BYTES_3 (1 << 8)
-+#define FLASH_CTRL_ADDR_BYTES_4 (2 << 8)
-+#define FLASH_CTRL_DUMMY_BYTES_SHIFT 10
-+#define FLASH_CTRL_DUMMY_BYTES_MASK (0x3 << FLASH_CTRL_DUMMY_BYTES_SHIFT)
-+#define FLASH_CTRL_MB_EN (1 << 23)
-+
- void __init bcm63xx_flash_detect(void)
- {
- flash_type = bcm63xx_detect_flash_type();
-+
-+ /* ensure flash mapping has sane values */
-+ if (flash_type == BCM63XX_FLASH_TYPE_SERIAL &&
-+ (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() ||
-+ BCMCPU_IS_63268())) {
-+ u32 val = bcm_rset_readl(RSET_HSSPI, HSSPI_FLASH_CTRL_REG);
-+
-+ if (val & FLASH_CTRL_MB_EN) {
-+ /* cfe might configure non working dual-io mode */
-+ val &= ~FLASH_CTRL_MB_EN;
-+ val &= ~FLASH_CTRL_READ_OPCODE_MASK;
-+ val &= ~FLASH_CTRL_DUMMY_BYTES_MASK;
-+ val |= 1 << FLASH_CTRL_DUMMY_BYTES_SHIFT;
-+
-+ switch (val & FLASH_CTRL_ADDR_BYTES_MASK) {
-+ case FLASH_CTRL_ADDR_BYTES_3:
-+ val |= SPINOR_OP_READ_FAST;
-+ break;
-+ case FLASH_CTRL_ADDR_BYTES_4:
-+ val |= SPINOR_OP_READ_FAST_4B;
-+ break;
-+ case FLASH_CTRL_ADDR_BYTES_2:
-+ default:
-+ pr_warn("unsupported address byte mode (%x), not fixing up\n",
-+ val & FLASH_CTRL_ADDR_BYTES_MASK);
-+ return;
-+ }
-+ } else {
-+ /* ensure dummy bytes is set to 1 for _FAST reads */
-+ u8 cmd = val & FLASH_CTRL_READ_OPCODE_MASK;
-+
-+ if (cmd != SPINOR_OP_READ_FAST && cmd != SPINOR_OP_READ_FAST_4B)
-+ return;
-+
-+ val &= ~FLASH_CTRL_DUMMY_BYTES_MASK;
-+ val |= 1 << FLASH_CTRL_DUMMY_BYTES_SHIFT;
-+ }
-+
-+ bcm_rset_writel(RSET_HSSPI, val, HSSPI_FLASH_CTRL_REG);
-+ }
- }
-
- int __init bcm63xx_flash_register(void)