diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/342-MIPS-BCM63XX-split-PCIe-reset-signals.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/342-MIPS-BCM63XX-split-PCIe-reset-signals.patch | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/342-MIPS-BCM63XX-split-PCIe-reset-signals.patch b/target/linux/brcm63xx/patches-4.4/342-MIPS-BCM63XX-split-PCIe-reset-signals.patch new file mode 100644 index 0000000..71044f8 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/342-MIPS-BCM63XX-split-PCIe-reset-signals.patch @@ -0,0 +1,156 @@ +From 4bdfacdeaf3c988c4f3256c88118893eac640b03 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Sun, 8 Dec 2013 14:17:50 +0100 +Subject: [PATCH 52/53] MIPS: BCM63XX: split PCIE reset signals + +--- + arch/mips/bcm63xx/reset.c | 39 ++++++++++++++-------- + arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h | 2 ++ + arch/mips/pci/pci-bcm63xx.c | 7 ++++ + 3 files changed, 34 insertions(+), 14 deletions(-) + +--- a/arch/mips/bcm63xx/reset.c ++++ b/arch/mips/bcm63xx/reset.c +@@ -28,7 +28,9 @@ + [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \ + [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \ + [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \ +- [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, ++ [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, \ ++ [BCM63XX_RESET_PCIE_CORE] = BCM## __cpu ##_RESET_PCIE_CORE, \ ++ [BCM63XX_RESET_PCIE_HARD] = BCM## __cpu ##_RESET_PCIE_HARD, + + #define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK + #define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK +@@ -42,6 +44,8 @@ + #define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK + #define BCM3368_RESET_PCIE 0 + #define BCM3368_RESET_PCIE_EXT 0 ++#define BCM3368_RESET_PCIE_CORE 0 ++#define BCM3368_RESET_PCIE_HARD 0 + + + #define BCM6318_RESET_SPI SOFTRESET_6318_SPI_MASK +@@ -54,11 +58,10 @@ + #define BCM6318_RESET_ENETSW SOFTRESET_6318_ENETSW_MASK + #define BCM6318_RESET_PCM 0 + #define BCM6318_RESET_MPI 0 +-#define BCM6318_RESET_PCIE \ +- (SOFTRESET_6318_PCIE_MASK | \ +- SOFTRESET_6318_PCIE_CORE_MASK | \ +- SOFTRESET_6318_PCIE_HARD_MASK) ++#define BCM6318_RESET_PCIE SOFTRESET_6318_PCIE_MASK + #define BCM6318_RESET_PCIE_EXT SOFTRESET_6318_PCIE_EXT_MASK ++#define BCM6318_RESET_PCIE_CORE SOFTRESET_6318_PCIE_CORE_MASK ++#define BCM6318_RESET_PCIE_HARD SOFTRESET_6318_PCIE_HARD_MASK + + #define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK + #define BCM6328_RESET_ENET 0 +@@ -70,11 +73,10 @@ + #define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK + #define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK + #define BCM6328_RESET_MPI 0 +-#define BCM6328_RESET_PCIE \ +- (SOFTRESET_6328_PCIE_MASK | \ +- SOFTRESET_6328_PCIE_CORE_MASK | \ +- SOFTRESET_6328_PCIE_HARD_MASK) ++#define BCM6328_RESET_PCIE SOFTRESET_6328_PCIE_MASK + #define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK ++#define BCM6328_RESET_PCIE_CORE SOFTRESET_6328_PCIE_CORE_MASK ++#define BCM6328_RESET_PCIE_HARD SOFTRESET_6328_PCIE_HARD_MASK + + #define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK + #define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK +@@ -88,6 +90,8 @@ + #define BCM6338_RESET_MPI 0 + #define BCM6338_RESET_PCIE 0 + #define BCM6338_RESET_PCIE_EXT 0 ++#define BCM6338_RESET_PCIE_CORE 0 ++#define BCM6338_RESET_PCIE_HARD 0 + + #define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK + #define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK +@@ -101,6 +105,8 @@ + #define BCM6348_RESET_MPI 0 + #define BCM6348_RESET_PCIE 0 + #define BCM6348_RESET_PCIE_EXT 0 ++#define BCM6348_RESET_PCIE_CORE 0 ++#define BCM6348_RESET_PCIE_HARD 0 + + #define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK + #define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK +@@ -114,6 +120,8 @@ + #define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK + #define BCM6358_RESET_PCIE 0 + #define BCM6358_RESET_PCIE_EXT 0 ++#define BCM6358_RESET_PCIE_CORE 0 ++#define BCM6358_RESET_PCIE_HARD 0 + + #define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK + #define BCM6362_RESET_ENET 0 +@@ -125,9 +133,10 @@ + #define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK + #define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK + #define BCM6362_RESET_MPI 0 +-#define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \ +- SOFTRESET_6362_PCIE_CORE_MASK) ++#define BCM6362_RESET_PCIE SOFTRESET_6362_PCIE_MASK + #define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK ++#define BCM6362_RESET_PCIE_CORE SOFTRESET_6362_PCIE_CORE_MASK ++#define BCM6362_RESET_PCIE_HARD 0 + + #define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK + #define BCM6368_RESET_ENET 0 +@@ -141,6 +150,8 @@ + #define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK + #define BCM6368_RESET_PCIE 0 + #define BCM6368_RESET_PCIE_EXT 0 ++#define BCM6368_RESET_PCIE_CORE 0 ++#define BCM6368_RESET_PCIE_HARD 0 + + #define BCM63268_RESET_SPI SOFTRESET_63268_SPI_MASK + #define BCM63268_RESET_ENET 0 +@@ -152,10 +163,10 @@ + #define BCM63268_RESET_ENETSW SOFTRESET_63268_ENETSW_MASK + #define BCM63268_RESET_PCM SOFTRESET_63268_PCM_MASK + #define BCM63268_RESET_MPI 0 +-#define BCM63268_RESET_PCIE (SOFTRESET_63268_PCIE_MASK | \ +- SOFTRESET_63268_PCIE_CORE_MASK | \ +- SOFTRESET_63268_PCIE_HARD_MASK) ++#define BCM63268_RESET_PCIE SOFTRESET_63268_PCIE_MASK + #define BCM63268_RESET_PCIE_EXT SOFTRESET_63268_PCIE_EXT_MASK ++#define BCM63268_RESET_PCIE_CORE SOFTRESET_63268_PCIE_CORE_MASK ++#define BCM63268_RESET_PCIE_HARD SOFTRESET_63268_PCIE_HARD_MASK + + /* + * core reset bits +--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_reset.h +@@ -14,6 +14,8 @@ enum bcm63xx_core_reset { + BCM63XX_RESET_MPI, + BCM63XX_RESET_PCIE, + BCM63XX_RESET_PCIE_EXT, ++ BCM63XX_RESET_PCIE_CORE, ++ BCM63XX_RESET_PCIE_HARD, + }; + + void bcm63xx_core_set_reset(enum bcm63xx_core_reset, int reset); +--- a/arch/mips/pci/pci-bcm63xx.c ++++ b/arch/mips/pci/pci-bcm63xx.c +@@ -135,9 +135,16 @@ static void __init bcm63xx_reset_pcie(vo + + /* reset the PCIe core */ + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1); ++ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 1); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 1); ++ if (BCMCPU_IS_6328() || BCMCPU_IS_63268()) { ++ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_HARD, 1); ++ mdelay(10); ++ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_HARD, 0); ++ } + mdelay(10); + ++ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 0); + bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 0); + mdelay(10); + |