From a2c9a603c72be0d9a0780f196bff53ab0d517347 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Fri, 11 Jun 2010 01:52:34 +0000 Subject: powerpc/5200: add lite5200 onboard I2C eeprom and flash Add dts descriptions for onboard 256 byte I2C eeprom (pcf8582C-2) and 16MB NOR flash (am29lv652d). Signed-off-by: Dmitry Eremin-Solenikov [grant.likely@secretlab.ca: added lite5200b eeprom and declared lite5200 gpios] Signed-off-by: Grant Likely --- arch/powerpc/boot/dts/lite5200.dts | 24 ++++++++++++++++++++++++ arch/powerpc/boot/dts/lite5200b.dts | 5 +++++ 2 files changed, 29 insertions(+) (limited to 'arch') diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index 82ff2b13bc37..d1502ef85edb 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -134,12 +134,16 @@ compatible = "fsl,mpc5200-gpio"; reg = <0xb00 0x40>; interrupts = <1 7 0>; + gpio-controller; + #gpio-cells = <2>; }; gpio@c00 { compatible = "fsl,mpc5200-gpio-wkup"; reg = <0xc00 0x40>; interrupts = <1 8 0 0 3 0>; + gpio-controller; + #gpio-cells = <2>; }; spi@f00 { @@ -255,7 +259,13 @@ compatible = "fsl,mpc5200-i2c","fsl-i2c"; reg = <0x3d40 0x40>; interrupts = <2 16 0>; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + }; }; + sram@8000 { compatible = "fsl,mpc5200-sram"; reg = <0x8000 0x4000>; @@ -281,4 +291,18 @@ 0x02000000 0 0xa0000000 0xa0000000 0 0x10000000 0x01000000 0 0x00000000 0xb0000000 0 0x01000000>; }; + + localbus { + compatible = "fsl,mpc5200-lpb","simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + + ranges = <0 0 0xff000000 0x01000000>; + + flash@0,0 { + compatible = "amd,am29lv652d", "cfi-flash"; + reg = <0 0 0x01000000>; + bank-width = <1>; + }; + }; }; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index e45a63be3a86..59702ace900f 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -259,6 +259,11 @@ compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c"; reg = <0x3d40 0x40>; interrupts = <2 16 0>; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + }; }; sram@8000 { -- cgit v1.2.3 From fb73538e10c7fc4823a56e97bba600c2f9294012 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Fri, 11 Jun 2010 01:52:35 +0000 Subject: powerpc/5200: fix oops during going to standby When going to standby mode mpc code maps the whole soc5200 node to access warious MBAR registers. However as of_iomap uses 'reg' property of device node, only small part of MBAR is getting mapped. Thus pm code gets oops when trying to access high parts of MBAR. As a way to overcome this, make mpc52xx_pm_prepare() explicitly map whole MBAR (0xc0000). Signed-off-by: Dmitry Eremin-Solenikov Signed-off-by: Grant Likely --- arch/powerpc/platforms/52xx/mpc52xx_pm.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pm.c b/arch/powerpc/platforms/52xx/mpc52xx_pm.c index a55b0b6813ed..76722532bd95 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_pm.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_pm.c @@ -64,10 +64,19 @@ int mpc52xx_pm_prepare(void) { .type = "builtin", .compatible = "mpc5200", }, /* efika */ {} }; + struct resource res; /* map the whole register space */ np = of_find_matching_node(NULL, immr_ids); - mbar = of_iomap(np, 0); + + if (of_address_to_resource(np, 0, &res)) { + pr_err("mpc52xx_pm_prepare(): could not get IMMR address\n"); + of_node_put(np); + return -ENOSYS; + } + + mbar = ioremap(res.start, 0xc000); /* we should map whole region including SRAM */ + of_node_put(np); if (!mbar) { pr_err("mpc52xx_pm_prepare(): could not map registers\n"); -- cgit v1.2.3 From 2b07be2493681220cac4d185494a4edb0b8efd1e Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Wed, 9 Jun 2010 21:16:20 +0000 Subject: powerpc/5200: fix lite5200 ethernet phy address According to my schematics, on Lite5200 board ethernet phy uses address 0 (all ADDR lines are pulled down). With this change I can talk to onboard phy (LXT971) and correctly use autonegotiation. Signed-off-by: Dmitry Eremin-Solenikov Signed-off-by: Grant Likely --- arch/powerpc/boot/dts/lite5200.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index d1502ef85edb..179a1785d645 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -234,8 +234,8 @@ reg = <0x3000 0x400>; // fec range, since we need to setup fec interrupts interrupts = <2 5 0>; // these are for "mii command finished", not link changes & co. - phy0: ethernet-phy@1 { - reg = <1>; + phy0: ethernet-phy@0 { + reg = <0>; }; }; -- cgit v1.2.3