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openwrt/target/linux/lantiq/patches/0023-MIPS-lantiq-adds-basic...

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From 780a64cd52209fad15c7133f950b2b2d6b9b59e2 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Sat, 27 Aug 2011 21:44:32 +0200
Subject: [PATCH 23/24] MIPS: lantiq: adds basic vr9 support
---
.../mips/include/asm/mach-lantiq/xway/lantiq_soc.h | 2 +
arch/mips/lantiq/Kconfig | 9 ++
arch/mips/lantiq/Platform | 1 +
arch/mips/lantiq/machtypes.h | 3 +
arch/mips/lantiq/xway/Kconfig | 12 +++
arch/mips/lantiq/xway/Makefile | 2 +
arch/mips/lantiq/xway/clk-vr9.c | 78 ++++++++++++++++++++
arch/mips/lantiq/xway/mach-fritz.c | 74 +++++++++++++++++++
arch/mips/lantiq/xway/prom-vr9.c | 55 ++++++++++++++
arch/mips/pci/Makefile | 2 +-
10 files changed, 237 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/lantiq/xway/clk-vr9.c
create mode 100644 arch/mips/lantiq/xway/mach-fritz.c
create mode 100644 arch/mips/lantiq/xway/prom-vr9.c
--- a/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/lantiq_soc.h
@@ -21,6 +21,7 @@
#define SOC_ID_ARX188 0x16C
#define SOC_ID_ARX168 0x16D
#define SOC_ID_ARX182 0x16F
+#define SOC_ID_VRX288 0x1C0
/* SoC Types */
#define SOC_TYPE_DANUBE 0x01
@@ -91,6 +92,7 @@
/* ETOP - ethernet */
#define LTQ_ETOP_BASE_ADDR 0x1E180000
+#define LTQ_ETOP_BASE_ADDR_VR9 0x1E200000
#define LTQ_ETOP_SIZE 0x40000
/* GBIT - gigabit switch */
--- a/arch/mips/lantiq/Kconfig
+++ b/arch/mips/lantiq/Kconfig
@@ -1,5 +1,8 @@
if LANTIQ
+config LANTIQ_PCIE
+ bool
+
config SOC_TYPE_XWAY
bool
default n
@@ -17,6 +20,12 @@ config SOC_XWAY
select SOC_TYPE_XWAY
select HW_HAS_PCI
+config SOC_VR9
+ bool "VR9"
+ select SOC_TYPE_XWAY
+ select HW_HAS_PCI
+ select LANTIQ_PCIE
+
config SOC_FALCON
bool "FALCON"
endchoice
--- a/arch/mips/lantiq/Platform
+++ b/arch/mips/lantiq/Platform
@@ -6,4 +6,5 @@ platform-$(CONFIG_LANTIQ) += lantiq/
cflags-$(CONFIG_LANTIQ) += -I$(srctree)/arch/mips/include/asm/mach-lantiq
load-$(CONFIG_LANTIQ) = 0xffffffff80002000
cflags-$(CONFIG_SOC_TYPE_XWAY) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
+cflags-$(CONFIG_SOC_TYPE_VR9) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/xway
cflags-$(CONFIG_SOC_FALCON) += -I$(srctree)/arch/mips/include/asm/mach-lantiq/falcon
--- a/arch/mips/lantiq/machtypes.h
+++ b/arch/mips/lantiq/machtypes.h
@@ -20,6 +20,9 @@ enum lantiq_mach_type {
LANTIQ_MACH_EASY98000, /* Falcon Eval Board, NOR Flash */
LANTIQ_MACH_EASY98000SF, /* Falcon Eval Board, Serial Flash */
LANTIQ_MACH_EASY98000NAND, /* Falcon Eval Board, NAND Flash */
+
+ /* FRITZ!BOX */
+ LANTIQ_MACH_FRITZ3370, /* FRITZ!BOX 3370 vdsl cpe */
};
#endif
--- a/arch/mips/lantiq/xway/Kconfig
+++ b/arch/mips/lantiq/xway/Kconfig
@@ -21,3 +21,15 @@ config LANTIQ_MACH_EASY50601
endmenu
endif
+
+if SOC_VR9
+
+menu "MIPS Machine"
+
+config LANTIQ_MACH_FRITZ3370
+ bool "Fritz!Box 3370"
+ default y
+
+endmenu
+
+endif
--- a/arch/mips/lantiq/xway/Makefile
+++ b/arch/mips/lantiq/xway/Makefile
@@ -2,6 +2,8 @@ obj-y := sysctrl.o reset.o gpio.o gpio_s
obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
+obj-$(CONFIG_SOC_VR9) += clk-vr9.o prom-vr9.o
obj-$(CONFIG_LANTIQ_MACH_EASY50712) += mach-easy50712.o
obj-$(CONFIG_LANTIQ_MACH_EASY50601) += mach-easy50601.o
+obj-$(CONFIG_LANTIQ_MACH_FRITZ3370) += mach-fritz.o
--- /dev/null
+++ b/arch/mips/lantiq/xway/clk-vr9.c
@@ -0,0 +1,78 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+
+#include <asm/time.h>
+#include <asm/irq.h>
+#include <asm/div64.h>
+
+#include <lantiq_soc.h>
+
+#define CLOCK_62_5M 62500000
+#define CLOCK_83_5M 83500000
+#define CLOCK_125M 125000000
+#define CLOCK_200M 200000000
+#define CLOCK_250M 250000000
+#define CLOCK_300M 300000000
+#define CLOCK_98_304M 98304000
+#define CLOCK_150M 150000000
+#define CLOCK_196_608M 196608000
+#define CLOCK_600M 600000000
+#define CLOCK_500M 500000000
+#define CLOCK_393M 393215332
+#define CLOCK_166M 166666666
+
+#define LTQ_CGU_SYS 0x0c
+#define LTQ_CGU_IF_CLK 0x24
+
+unsigned int ltq_get_cpu_hz(void)
+{
+ int clks[] = {
+ CLOCK_600M, CLOCK_500M, CLOCK_393M, CLOCK_333M, CLOCK_125M,
+ CLOCK_125M, CLOCK_196_608M, CLOCK_166M, CLOCK_125M, CLOCK_125M };
+ int val = (ltq_cgu_r32(LTQ_CGU_SYS) >> 4) & 0xf;
+
+ if (val > 9)
+ panic("bad cpu speed\n");
+ if (val == 2)
+ panic("missing workaround\n");
+ //cgu_get_pll1_fosc(); //CLOCK_393M;
+ return clks[val];
+}
+EXPORT_SYMBOL(ltq_get_cpu_hz);
+
+unsigned int ltq_get_fpi_hz(void)
+{
+ int clks[] = {
+ CLOCK_62_5M, CLOCK_62_5M, CLOCK_83_5M, CLOCK_125M, CLOCK_125M,
+ CLOCK_125M, CLOCK_167M, CLOCK_200M, CLOCK_250M, CLOCK_300M,
+ CLOCK_62_5M, CLOCK_98_304M, CLOCK_150M, CLOCK_196_608M };
+ int val = ((ltq_cgu_r32(LTQ_CGU_IF_CLK) >> 25) & 0xf);
+
+ if (val > 13)
+ panic("bad fpi speed\n");
+
+ return clks[val];
+}
+EXPORT_SYMBOL(ltq_get_fpi_hz);
+
+unsigned int ltq_get_io_region_clock(void)
+{
+ return ltq_get_fpi_hz() / 2;
+}
+EXPORT_SYMBOL(ltq_get_io_region_clock);
+
+unsigned int ltq_get_fpi_bus_clock(int fpi)
+{
+ return ltq_get_fpi_hz();
+}
+EXPORT_SYMBOL(ltq_get_fpi_bus_clock);
--- /dev/null
+++ b/arch/mips/lantiq/xway/prom-vr9.c
@@ -0,0 +1,55 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * Copyright (C) 2010 John Crispin <blogic@openwrt.org>
+ */
+
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <asm/bootinfo.h>
+#include <asm/time.h>
+
+#include <lantiq_soc.h>
+
+#include "devices.h"
+#include "../prom.h"
+
+#define SOC_VRX288 "VRX288"
+
+#define PART_SHIFT 12
+#define PART_MASK 0x0FFFFFFF
+#define REV_SHIFT 28
+#define REV_MASK 0xF0000000
+
+void __init ltq_soc_detect(struct ltq_soc_info *i)
+{
+ i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT;
+ i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT;
+ sprintf(i->rev_type, "1.%d", i->rev);
+ switch (i->partnum) {
+ case SOC_ID_VRX288:
+ i->name = SOC_VRX288;
+ i->type = SOC_TYPE_VR9;
+ break;
+
+ default:
+ unreachable();
+ break;
+ }
+ printk("%08X\n", i->partnum);
+}
+
+void __init ltq_soc_setup(void)
+{
+ /*
+ reg = IFX_REG_R32(IFX_XBAR_ALWAYS_LAST);
+ reg &= ~ IFX_XBAR_FPI_BURST_EN;
+ IFX_REG_W32(reg, IFX_XBAR_ALWAYS_LAST);
+ */
+
+ ltq_register_asc(1);
+ ltq_register_gpio();
+ ltq_register_wdt();
+}
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -41,7 +41,7 @@ obj-$(CONFIG_SIBYTE_SB1250) += fixup-sb1
obj-$(CONFIG_SIBYTE_BCM112X) += fixup-sb1250.o pci-sb1250.o
obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1480.o pci-bcm1480ht.o
obj-$(CONFIG_SNI_RM) += fixup-sni.o ops-sni.o
-obj-$(CONFIG_SOC_XWAY) += pci-lantiq.o ops-lantiq.o
+obj-$(CONFIG_LANTIQ) += pci-lantiq.o ops-lantiq.o
obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o
obj-$(CONFIG_TANBAC_TB0226) += fixup-tb0226.o
obj-$(CONFIG_TANBAC_TB0287) += fixup-tb0287.o
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