diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.14/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.14/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch | 342 |
1 files changed, 0 insertions, 342 deletions
diff --git a/target/linux/brcm63xx/patches-3.14/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch b/target/linux/brcm63xx/patches-3.14/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch deleted file mode 100644 index 3ba3357..0000000 --- a/target/linux/brcm63xx/patches-3.14/343-MIPS-BCM63XX-add-PCIe-support-for-BCM6318.patch +++ /dev/null @@ -1,342 +0,0 @@ -From 11a8ab8dac4ef5d0d70199843043927edce1d4db Mon Sep 17 00:00:00 2001 -From: Jonas Gorski <jogo@openwrt.org> -Date: Sun, 15 Dec 2013 20:47:34 +0100 -Subject: [PATCH 53/53] MIPS: BCM63XX: add PCIe support for BCM6318 - ---- - arch/mips/bcm63xx/clk.c | 25 ++++- - arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h | 6 ++ - arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 60 +++++++++++- - arch/mips/pci/ops-bcm63xx.c | 16 +++- - arch/mips/pci/pci-bcm63xx.c | 106 ++++++++++++++++++---- - 5 files changed, 184 insertions(+), 29 deletions(-) - ---- a/arch/mips/bcm63xx/clk.c -+++ b/arch/mips/bcm63xx/clk.c -@@ -50,6 +50,18 @@ static void bcm_hwclock_set(u32 mask, in - bcm_perf_writel(reg, PERF_CKCTL_REG); - } - -+static void bcm_ub_hwclock_set(u32 mask, int enable) -+{ -+ u32 reg; -+ -+ reg = bcm_perf_readl(PERF_UB_CKCTL_REG); -+ if (enable) -+ reg |= mask; -+ else -+ reg &= ~mask; -+ bcm_perf_writel(reg, PERF_UB_CKCTL_REG); -+} -+ - /* - * Ethernet MAC "misc" clock: dma clocks and main clock on 6348 - */ -@@ -317,12 +329,17 @@ static struct clk clk_ipsec = { - - static void pcie_set(struct clk *clk, int enable) - { -- if (BCMCPU_IS_6328()) -+ if (BCMCPU_IS_6318()) { -+ bcm_hwclock_set(CKCTL_6318_PCIE_EN, enable); -+ bcm_hwclock_set(CKCTL_6318_PCIE25_EN, enable); -+ bcm_ub_hwclock_set(UB_CKCTL_6318_PCIE_EN, enable); -+ } else if (BCMCPU_IS_6328()) { - bcm_hwclock_set(CKCTL_6328_PCIE_EN, enable); -- else if (BCMCPU_IS_6362()) -+ } else if (BCMCPU_IS_6362()) { - bcm_hwclock_set(CKCTL_6362_PCIE_EN, enable); -- else if (BCMCPU_IS_63268()) -+ } else if (BCMCPU_IS_63268()) { - bcm_hwclock_set(CKCTL_63268_PCIE_EN, enable); -+ } - } - - static struct clk clk_pcie = { -@@ -405,7 +422,7 @@ struct clk *clk_get(struct device *dev, - if ((BCMCPU_IS_6362() || BCMCPU_IS_6368() || BCMCPU_IS_63268()) && - !strcmp(id, "ipsec")) - return &clk_ipsec; -- if ((BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) && -+ if ((BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) && - !strcmp(id, "pcie")) - return &clk_pcie; - return ERR_PTR(-ENOENT); ---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h -+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_io.h -@@ -40,6 +40,12 @@ - #define BCM_CB_MEM_END_PA (BCM_CB_MEM_BASE_PA + \ - BCM_CB_MEM_SIZE - 1) - -+#define BCM_PCIE_MEM_BASE_PA_6318 0x10200000 -+#define BCM_PCIE_MEM_SIZE_6318 (1 * 1024 * 1024) -+#define BCM_PCIE_MEM_END_PA_6318 (BCM_PCIE_MEM_BASE_PA_6318 + \ -+ BCM_PCIE_MEM_SIZE_6318 - 1) -+ -+ - #define BCM_PCIE_MEM_BASE_PA_6328 0x10f00000 - #define BCM_PCIE_MEM_SIZE_6328 (1 * 1024 * 1024) - #define BCM_PCIE_MEM_END_PA_6328 (BCM_PCIE_MEM_BASE_PA_6328 + \ ---- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h -@@ -1542,6 +1542,17 @@ - * _REG relative to RSET_PCIE - *************************************************************************/ - -+#define PCIE_SPECIFIC_REG 0x188 -+#define SPECIFIC_ENDIAN_MODE_BAR1_SHIFT 0 -+#define SPECIFIC_ENDIAN_MODE_BAR1_MASK (0x3 << SPECIFIC_ENDIAN_MODE_BAR1_SHIFT) -+#define SPECIFIC_ENDIAN_MODE_BAR2_SHIFT 2 -+#define SPECIFIC_ENDIAN_MODE_BAR2_MASK (0x3 << SPECIFIC_ENDIAN_MODE_BAR1_SHIFT) -+#define SPECIFIC_ENDIAN_MODE_BAR3_SHIFT 4 -+#define SPECIFIC_ENDIAN_MODE_BAR3_MASK (0x3 << SPECIFIC_ENDIAN_MODE_BAR1_SHIFT) -+#define SPECIFIC_ENDIAN_MODE_WORD_ALIGN 0 -+#define SPECIFIC_ENDIAN_MODE_HALFWORD_ALIGN 1 -+#define SPECIFIC_ENDIAN_MODE_BYTE_ALIGN 2 -+ - #define PCIE_CONFIG2_REG 0x408 - #define CONFIG2_BAR1_SIZE_EN 1 - #define CONFIG2_BAR1_SIZE_MASK 0xf -@@ -1587,7 +1598,54 @@ - #define PCIE_RC_INT_C (1 << 2) - #define PCIE_RC_INT_D (1 << 3) - --#define PCIE_DEVICE_OFFSET 0x8000 -+#define PCIE_CPU_2_PCIE_MEM_WIN0_LO_REG 0x400c -+#define C2P_MEM_WIN_ENDIAN_MODE_MASK 0x3 -+#define C2P_MEM_WIN_ENDIAN_NO_SWAP 0 -+#define C2P_MEM_WIN_ENDIAN_HALF_WORD_SWAP 1 -+#define C2P_MEM_WIN_ENDIAN_HALF_BYTE_SWAP 2 -+#define C2P_MEM_WIN_BASE_ADDR_SHIFT 20 -+#define C2P_MEM_WIN_BASE_ADDR_MASK (0xfff << C2P_MEM_WIN_BASE_ADDR_SHIFT) -+ -+#define PCIE_RC_BAR1_CONFIG_LO_REG 0x402c -+#define RC_BAR_CFG_LO_SIZE_256MB 0xd -+#define RC_BAR_CFG_LO_MATCH_ADDR_SHIFT 20 -+#define RC_BAR_CFG_LO_MATCH_ADDR_MASK (0xfff << RC_BAR_CFG_LO_MATCH_ADDR_SHIFT) -+ -+#define PCIE_CPU_2_PCIE_MEM_WIN0_BASELIMIT_REG 0x4070 -+#define C2P_BASELIMIT_LIMIT_SHIFT 20 -+#define C2P_BASELIMIT_LIMIT_MASK (0xfff << C2P_BASELIMIT_LIMIT_SHIFT) -+#define C2P_BASELIMIT_BASE_SHIFT 4 -+#define C2P_BASELIMIT_BASE_MASK (0xfff << C2P_BASELIMIT_BASE_SHIFT) -+ -+#define PCIE_UBUS_BAR1_CFG_REMAP_REG 0x4088 -+#define BAR1_CFG_REMAP_OFFSET_SHIFT 20 -+#define BAR1_CFG_REMAP_OFFSET_MASK (0xfff << BAR1_CFG_REMAP_OFFSET_SHIFT) -+#define BAR1_CFG_REMAP_ACCESS_EN 1 -+ -+#define PCIE_HARD_DEBUG_REG 0x4204 -+#define HARD_DEBUG_SERDES_IDDQ (1 << 23) -+ -+#define PCIE_CPU_INT1_MASK_CLEAR_REG 0x830c -+#define CPU_INT_PCIE_ERR_ATTN_CPU (1 << 0) -+#define CPU_INT_PCIE_INTA (1 << 1) -+#define CPU_INT_PCIE_INTB (1 << 2) -+#define CPU_INT_PCIE_INTC (1 << 3) -+#define CPU_INT_PCIE_INTD (1 << 4) -+#define CPU_INT_PCIE_INTR (1 << 5) -+#define CPU_INT_PCIE_NMI (1 << 6) -+#define CPU_INT_PCIE_UBUS (1 << 7) -+#define CPU_INT_IPI (1 << 8) -+ -+#define PCIE_EXT_CFG_INDEX_REG 0x8400 -+#define EXT_CFG_FUNC_NUM_SHIFT 12 -+#define EXT_CFG_FUNC_NUM_MASK (0x7 << EXT_CFG_FUNC_NUM_SHIFT) -+#define EXT_CFG_DEV_NUM_SHIFT 15 -+#define EXT_CFG_DEV_NUM_MASK (0xf << EXT_CFG_DEV_NUM_SHIFT) -+#define EXT_CFG_BUS_NUM_SHIFT 20 -+#define EXT_CFG_BUS_NUM_MASK (0xff << EXT_CFG_BUS_NUM_SHIFT) -+ -+#define PCIE_DEVICE_OFFSET_6318 0x9000 -+#define PCIE_DEVICE_OFFSET_6328 0x8000 - - /************************************************************************* - * _REG relative to RSET_OTP ---- a/arch/mips/pci/ops-bcm63xx.c -+++ b/arch/mips/pci/ops-bcm63xx.c -@@ -488,8 +488,12 @@ static int bcm63xx_pcie_read(struct pci_ - if (!bcm63xx_pcie_can_access(bus, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - -- if (bus->number == PCIE_BUS_DEVICE) -- reg += PCIE_DEVICE_OFFSET; -+ if (bus->number == PCIE_BUS_DEVICE) { -+ if (BCMCPU_IS_6318()) -+ reg += PCIE_DEVICE_OFFSET_6318; -+ else -+ reg += PCIE_DEVICE_OFFSET_6328; -+ } - - data = bcm_pcie_readl(reg); - -@@ -508,8 +512,12 @@ static int bcm63xx_pcie_write(struct pci - if (!bcm63xx_pcie_can_access(bus, devfn)) - return PCIBIOS_DEVICE_NOT_FOUND; - -- if (bus->number == PCIE_BUS_DEVICE) -- reg += PCIE_DEVICE_OFFSET; -+ if (bus->number == PCIE_BUS_DEVICE) { -+ if (BCMCPU_IS_6318()) -+ reg += PCIE_DEVICE_OFFSET_6318; -+ else -+ reg += PCIE_DEVICE_OFFSET_6328; -+ } - - - data = bcm_pcie_readl(reg); ---- a/arch/mips/pci/pci-bcm63xx.c -+++ b/arch/mips/pci/pci-bcm63xx.c -@@ -118,7 +118,7 @@ static void bcm63xx_int_cfg_writel(u32 v - - void __iomem *pci_iospace_start; - --static void __init bcm63xx_reset_pcie(void) -+static void __init bcm63xx_reset_pcie_gen1(void) - { - u32 val; - u32 reg; -@@ -152,20 +152,32 @@ static void __init bcm63xx_reset_pcie(vo - mdelay(200); - } - --static struct clk *pcie_clk; -- --static int __init bcm63xx_register_pcie(void) -+static void __init bcm63xx_reset_pcie_gen2(void) - { - u32 val; - -- /* enable clock */ -- pcie_clk = clk_get(NULL, "pcie"); -- if (IS_ERR_OR_NULL(pcie_clk)) -- return -ENODEV; -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_HARD, 0); - -- clk_prepare_enable(pcie_clk); -+ /* reset the PCIe core */ -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1); -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 1); -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 1); -+ mdelay(10); -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_EXT, 0); -+ mdelay(10); -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 0); -+ mdelay(10); -+ val = bcm_pcie_readl(PCIE_HARD_DEBUG_REG); -+ val &= ~HARD_DEBUG_SERDES_IDDQ; -+ bcm_pcie_writel(val, PCIE_HARD_DEBUG_REG); -+ mdelay(10); -+ bcm63xx_core_set_reset(BCM63XX_RESET_PCIE_CORE, 0); -+ mdelay(200); -+} - -- bcm63xx_reset_pcie(); -+static void __init bcm63xx_init_pcie_gen1(void) -+{ -+ u32 val; - - /* configure the PCIe bridge */ - val = bcm_pcie_readl(PCIE_BRIDGE_OPT1_REG); -@@ -190,6 +202,65 @@ static int __init bcm63xx_register_pcie( - val |= OPT2_CFG_TYPE1_BD_SEL; - bcm_pcie_writel(val, PCIE_BRIDGE_OPT2_REG); - -+ /* set bar0 to little endian */ -+ val = (bcm_pcie_mem_resource.start >> 20) << BASEMASK_BASE_SHIFT; -+ val |= (bcm_pcie_mem_resource.end >> 20) << BASEMASK_MASK_SHIFT; -+ val |= BASEMASK_REMAP_EN; -+ bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_BASEMASK_REG); -+ -+ val = (bcm_pcie_mem_resource.start >> 20) << REBASE_ADDR_BASE_SHIFT; -+ bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_REBASE_ADDR_REG); -+} -+ -+static void __init bcm63xx_init_pcie_gen2(void) -+{ -+ u32 val; -+ -+ bcm_pcie_writel(CPU_INT_PCIE_INTA | CPU_INT_PCIE_INTB | -+ CPU_INT_PCIE_INTC | CPU_INT_PCIE_INTD, -+ PCIE_CPU_INT1_MASK_CLEAR_REG); -+ -+ val = bcm_pcie_mem_resource.end & C2P_BASELIMIT_LIMIT_MASK; -+ val |= (bcm_pcie_mem_resource.start >> C2P_BASELIMIT_LIMIT_SHIFT) << -+ C2P_BASELIMIT_BASE_SHIFT; -+ -+ bcm_pcie_writel(val, PCIE_CPU_2_PCIE_MEM_WIN0_BASELIMIT_REG); -+ -+ /* set bar0 to little endian */ -+ val = bcm_pcie_readl(PCIE_CPU_2_PCIE_MEM_WIN0_LO_REG); -+ val |= bcm_pcie_mem_resource.start & C2P_MEM_WIN_BASE_ADDR_MASK; -+ val |= C2P_MEM_WIN_ENDIAN_HALF_BYTE_SWAP; -+ bcm_pcie_writel(val, PCIE_CPU_2_PCIE_MEM_WIN0_LO_REG); -+ -+ bcm_pcie_writel(SPECIFIC_ENDIAN_MODE_BYTE_ALIGN, PCIE_SPECIFIC_REG); -+ bcm_pcie_writel(RC_BAR_CFG_LO_SIZE_256MB, PCIE_RC_BAR1_CONFIG_LO_REG); -+ bcm_pcie_writel(BAR1_CFG_REMAP_ACCESS_EN, PCIE_UBUS_BAR1_CFG_REMAP_REG); -+ -+ bcm_pcie_writel(PCIE_BUS_DEVICE << EXT_CFG_BUS_NUM_SHIFT, -+ PCIE_EXT_CFG_INDEX_REG); -+} -+ -+static struct clk *pcie_clk; -+ -+static int __init bcm63xx_register_pcie(void) -+{ -+ u32 val; -+ -+ /* enable clock */ -+ pcie_clk = clk_get(NULL, "pcie"); -+ if (IS_ERR_OR_NULL(pcie_clk)) -+ return -ENODEV; -+ -+ clk_prepare_enable(pcie_clk); -+ -+ if (BCMCPU_IS_6328() || BCMCPU_IS_6362() || BCMCPU_IS_63268()) { -+ bcm63xx_reset_pcie_gen1(); -+ bcm63xx_init_pcie_gen1(); -+ } else { -+ bcm63xx_reset_pcie_gen2(); -+ bcm63xx_init_pcie_gen2(); -+ } -+ - /* setup class code as bridge */ - val = bcm_pcie_readl(PCIE_IDVAL3_REG); - val &= ~IDVAL3_CLASS_CODE_MASK; -@@ -201,15 +272,6 @@ static int __init bcm63xx_register_pcie( - val &= ~CONFIG2_BAR1_SIZE_MASK; - bcm_pcie_writel(val, PCIE_CONFIG2_REG); - -- /* set bar0 to little endian */ -- val = (bcm_pcie_mem_resource.start >> 20) << BASEMASK_BASE_SHIFT; -- val |= (bcm_pcie_mem_resource.end >> 20) << BASEMASK_MASK_SHIFT; -- val |= BASEMASK_REMAP_EN; -- bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_BASEMASK_REG); -- -- val = (bcm_pcie_mem_resource.start >> 20) << REBASE_ADDR_BASE_SHIFT; -- bcm_pcie_writel(val, PCIE_BRIDGE_BAR0_REBASE_ADDR_REG); -- - register_pci_controller(&bcm63xx_pcie_controller); - - return 0; -@@ -341,7 +403,10 @@ static int __init bcm63xx_pci_init(void) - if (!bcm63xx_pci_enabled) - return -ENODEV; - -- if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) { -+ if (BCMCPU_IS_6318()) { -+ bcm_pcie_mem_resource.start = BCM_PCIE_MEM_BASE_PA_6318; -+ bcm_pcie_mem_resource.end = BCM_PCIE_MEM_END_PA_6318; -+ } if (BCMCPU_IS_6328() || BCMCPU_IS_6362()) { - bcm_pcie_mem_resource.start = BCM_PCIE_MEM_BASE_PA_6328; - bcm_pcie_mem_resource.end = BCM_PCIE_MEM_END_PA_6328; - } else if (BCMCPU_IS_63268()) { -@@ -350,6 +415,7 @@ static int __init bcm63xx_pci_init(void) - } - - switch (bcm63xx_get_cpu_id()) { -+ case BCM6318_CPU_ID: - case BCM6328_CPU_ID: - case BCM6362_CPU_ID: - case BCM63268_CPU_ID: |