From e7aa6c66b0acc34caba3af485f1a039bfa8aef07 Mon Sep 17 00:00:00 2001 From: Jayachandran C Date: Sat, 21 Dec 2013 16:52:25 +0530 Subject: [PATCH] MIPS: Netlogic: XLP9XX bridge and DRAM code Update bridge code. Add code to the XLP9XX registers for DRAM size, limit and node when running on XLPXX Signed-off-by: Jayachandran C Signed-off-by: John Crispin Patchwork: http://patchwork.linux-mips.org/patch/6282/ --- .../include/asm/netlogic/xlp-hal/bridge.h | 69 +++++++++---------- arch/mips/netlogic/xlp/nlm_hal.c | 26 +++++-- 2 files changed, 51 insertions(+), 44 deletions(-) diff --git a/arch/mips/include/asm/netlogic/xlp-hal/bridge.h b/arch/mips/include/asm/netlogic/xlp-hal/bridge.h index 4e8eacb9588a..3067f983495d 100644 --- a/arch/mips/include/asm/netlogic/xlp-hal/bridge.h +++ b/arch/mips/include/asm/netlogic/xlp-hal/bridge.h @@ -69,44 +69,9 @@ #define BRIDGE_FLASH_LIMIT3 0x13 #define BRIDGE_DRAM_BAR(i) (0x14 + (i)) -#define BRIDGE_DRAM_BAR0 0x14 -#define BRIDGE_DRAM_BAR1 0x15 -#define BRIDGE_DRAM_BAR2 0x16 -#define BRIDGE_DRAM_BAR3 0x17 -#define BRIDGE_DRAM_BAR4 0x18 -#define BRIDGE_DRAM_BAR5 0x19 -#define BRIDGE_DRAM_BAR6 0x1a -#define BRIDGE_DRAM_BAR7 0x1b - #define BRIDGE_DRAM_LIMIT(i) (0x1c + (i)) -#define BRIDGE_DRAM_LIMIT0 0x1c -#define BRIDGE_DRAM_LIMIT1 0x1d -#define BRIDGE_DRAM_LIMIT2 0x1e -#define BRIDGE_DRAM_LIMIT3 0x1f -#define BRIDGE_DRAM_LIMIT4 0x20 -#define BRIDGE_DRAM_LIMIT5 0x21 -#define BRIDGE_DRAM_LIMIT6 0x22 -#define BRIDGE_DRAM_LIMIT7 0x23 - #define BRIDGE_DRAM_NODE_TRANSLN(i) (0x24 + (i)) -#define BRIDGE_DRAM_NODE_TRANSLN0 0x24 -#define BRIDGE_DRAM_NODE_TRANSLN1 0x25 -#define BRIDGE_DRAM_NODE_TRANSLN2 0x26 -#define BRIDGE_DRAM_NODE_TRANSLN3 0x27 -#define BRIDGE_DRAM_NODE_TRANSLN4 0x28 -#define BRIDGE_DRAM_NODE_TRANSLN5 0x29 -#define BRIDGE_DRAM_NODE_TRANSLN6 0x2a -#define BRIDGE_DRAM_NODE_TRANSLN7 0x2b - #define BRIDGE_DRAM_CHNL_TRANSLN(i) (0x2c + (i)) -#define BRIDGE_DRAM_CHNL_TRANSLN0 0x2c -#define BRIDGE_DRAM_CHNL_TRANSLN1 0x2d -#define BRIDGE_DRAM_CHNL_TRANSLN2 0x2e -#define BRIDGE_DRAM_CHNL_TRANSLN3 0x2f -#define BRIDGE_DRAM_CHNL_TRANSLN4 0x30 -#define BRIDGE_DRAM_CHNL_TRANSLN5 0x31 -#define BRIDGE_DRAM_CHNL_TRANSLN6 0x32 -#define BRIDGE_DRAM_CHNL_TRANSLN7 0x33 #define BRIDGE_PCIEMEM_BASE0 0x34 #define BRIDGE_PCIEMEM_BASE1 0x35 @@ -178,12 +143,42 @@ #define BRIDGE_GIO_WEIGHT 0x2cb #define BRIDGE_FLASH_WEIGHT 0x2cc +/* FIXME verify */ +#define BRIDGE_9XX_FLASH_BAR(i) (0x11 + (i)) +#define BRIDGE_9XX_FLASH_BAR_LIMIT(i) (0x15 + (i)) + +#define BRIDGE_9XX_DRAM_BAR(i) (0x19 + (i)) +#define BRIDGE_9XX_DRAM_LIMIT(i) (0x29 + (i)) +#define BRIDGE_9XX_DRAM_NODE_TRANSLN(i) (0x39 + (i)) +#define BRIDGE_9XX_DRAM_CHNL_TRANSLN(i) (0x49 + (i)) + +#define BRIDGE_9XX_ADDRESS_ERROR0 0x9d +#define BRIDGE_9XX_ADDRESS_ERROR1 0x9e +#define BRIDGE_9XX_ADDRESS_ERROR2 0x9f + +#define BRIDGE_9XX_PCIEMEM_BASE0 0x59 +#define BRIDGE_9XX_PCIEMEM_BASE1 0x5a +#define BRIDGE_9XX_PCIEMEM_BASE2 0x5b +#define BRIDGE_9XX_PCIEMEM_BASE3 0x5c +#define BRIDGE_9XX_PCIEMEM_LIMIT0 0x5d +#define BRIDGE_9XX_PCIEMEM_LIMIT1 0x5e +#define BRIDGE_9XX_PCIEMEM_LIMIT2 0x5f +#define BRIDGE_9XX_PCIEMEM_LIMIT3 0x60 +#define BRIDGE_9XX_PCIEIO_BASE0 0x61 +#define BRIDGE_9XX_PCIEIO_BASE1 0x62 +#define BRIDGE_9XX_PCIEIO_BASE2 0x63 +#define BRIDGE_9XX_PCIEIO_BASE3 0x64 +#define BRIDGE_9XX_PCIEIO_LIMIT0 0x65 +#define BRIDGE_9XX_PCIEIO_LIMIT1 0x66 +#define BRIDGE_9XX_PCIEIO_LIMIT2 0x67 +#define BRIDGE_9XX_PCIEIO_LIMIT3 0x68 + #ifndef __ASSEMBLY__ #define nlm_read_bridge_reg(b, r) nlm_read_reg(b, r) #define nlm_write_bridge_reg(b, r, v) nlm_write_reg(b, r, v) -#define nlm_get_bridge_pcibase(node) \ - nlm_pcicfg_base(XLP_IO_BRIDGE_OFFSET(node)) +#define nlm_get_bridge_pcibase(node) nlm_pcicfg_base(cpu_is_xlp9xx() ? \ + XLP9XX_IO_BRIDGE_OFFSET(node) : XLP_IO_BRIDGE_OFFSET(node)) #define nlm_get_bridge_regbase(node) \ (nlm_get_bridge_pcibase(node) + XLP_IO_PCI_HDRSZ) diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index 61f325d06e95..efd64ac1f407 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -314,21 +314,33 @@ int xlp_get_dram_map(int n, uint64_t *dram_map) { uint64_t bridgebase, base, lim; uint32_t val; + unsigned int barreg, limreg, xlatreg; int i, node, rv; /* Look only at mapping on Node 0, we don't handle crazy configs */ bridgebase = nlm_get_bridge_regbase(0); rv = 0; for (i = 0; i < 8; i++) { - val = nlm_read_bridge_reg(bridgebase, - BRIDGE_DRAM_NODE_TRANSLN(i)); - node = (val >> 1) & 0x3; - if (n >= 0 && n != node) - continue; - val = nlm_read_bridge_reg(bridgebase, BRIDGE_DRAM_BAR(i)); + if (cpu_is_xlp9xx()) { + barreg = BRIDGE_9XX_DRAM_BAR(i); + limreg = BRIDGE_9XX_DRAM_LIMIT(i); + xlatreg = BRIDGE_9XX_DRAM_NODE_TRANSLN(i); + } else { + barreg = BRIDGE_DRAM_BAR(i); + limreg = BRIDGE_DRAM_LIMIT(i); + xlatreg = BRIDGE_DRAM_NODE_TRANSLN(i); + } + if (n >= 0) { + /* node specified, get node mapping of BAR */ + val = nlm_read_bridge_reg(bridgebase, xlatreg); + node = (val >> 1) & 0x3; + if (n != node) + continue; + } + val = nlm_read_bridge_reg(bridgebase, barreg); val = (val >> 12) & 0xfffff; base = (uint64_t) val << 20; - val = nlm_read_bridge_reg(bridgebase, BRIDGE_DRAM_LIMIT(i)); + val = nlm_read_bridge_reg(bridgebase, limreg); val = (val >> 12) & 0xfffff; if (val == 0) /* BAR not used */ continue; -- 2.20.1