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[PATCH 13/18] MIPS: Netlogic: XLP9XX bridge and DRAM code

To: linux-mips@linux-mips.org
Subject: [PATCH 13/18] MIPS: Netlogic: XLP9XX bridge and DRAM code
From: "Jayachandran C" <jchandra@broadcom.com>
Date: Mon, 14 Oct 2013 18:51:09 +0530
Cc: "Jayachandran C" <jchandra@broadcom.com>, ralf@linux-mips.org
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Update bridge code. Add code to the XLP9XX registers for DRAM
size, limit and node when running on XLPXX

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
---
 arch/mips/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 4e8eacb..3067f98 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 61f325d..efd64ac 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;
-- 
1.7.9.5



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