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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-04-30 11:08:45 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2013-04-30 11:08:45 +1000
commit28bf41a1fedad76e9b4de70c9573bb3f8afc3709 (patch)
tree565c02208e36d682fb4f4776abc1390767633e90 /arch/powerpc/platforms
parentfba2369e6ceb7ae688e91063821bae5140e26393 (diff)
parentfdeaf0e20e9f3999c5cb129e821595fe927bf259 (diff)
Merge remote-tracking branch 'agust/next' into next
From Anatolij Gustschin: << There are some changes for mpc5121 generic platform code to support mpc5125 SoC and DTS files for ac14xx and MPC5125-TWR boards. >>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r--arch/powerpc/platforms/512x/Kconfig8
-rw-r--r--arch/powerpc/platforms/512x/Makefile2
-rw-r--r--arch/powerpc/platforms/512x/clock.c9
-rw-r--r--arch/powerpc/platforms/512x/mpc512x.h1
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_generic.c (renamed from arch/powerpc/platforms/512x/mpc5121_generic.c)12
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_shared.c33
6 files changed, 45 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index c16999802ecf..eb4620355e7b 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -15,16 +15,16 @@ config MPC5121_ADS
help
This option enables support for the MPC5121E ADS board.
-config MPC5121_GENERIC
- bool "Generic support for simple MPC5121 based boards"
+config MPC512x_GENERIC
+ bool "Generic support for simple MPC512x based boards"
depends on PPC_MPC512x
select DEFAULT_UIMAGE
help
- This option enables support for simple MPC5121 based boards
+ This option enables support for simple MPC512x based boards
which do not need custom platform specific setup.
Compatible boards include: Protonic LVT base boards (ZANMCU
- and VICVT2).
+ and VICVT2), Freescale MPC5125 Tower system.
config PDM360NG
bool "ifm PDM360NG board"
diff --git a/arch/powerpc/platforms/512x/Makefile b/arch/powerpc/platforms/512x/Makefile
index 4efc1c4b6fb5..72fb9340e09f 100644
--- a/arch/powerpc/platforms/512x/Makefile
+++ b/arch/powerpc/platforms/512x/Makefile
@@ -3,5 +3,5 @@
#
obj-y += clock.o mpc512x_shared.o
obj-$(CONFIG_MPC5121_ADS) += mpc5121_ads.o mpc5121_ads_cpld.o
-obj-$(CONFIG_MPC5121_GENERIC) += mpc5121_generic.o
+obj-$(CONFIG_MPC512x_GENERIC) += mpc512x_generic.o
obj-$(CONFIG_PDM360NG) += pdm360ng.o
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 52d57d281724..e504166e089a 100644
--- a/arch/powerpc/platforms/512x/clock.c
+++ b/arch/powerpc/platforms/512x/clock.c
@@ -29,6 +29,8 @@
#include <asm/mpc5121.h>
#include <asm/clk_interface.h>
+#include "mpc512x.h"
+
#undef CLK_DEBUG
static int clocks_initialized;
@@ -683,8 +685,13 @@ static void psc_clks_init(void)
struct device_node *np;
struct platform_device *ofdev;
u32 reg;
+ const char *psc_compat;
+
+ psc_compat = mpc512x_select_psc_compat();
+ if (!psc_compat)
+ return;
- for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
+ for_each_compatible_node(np, NULL, psc_compat) {
if (!of_property_read_u32(np, "reg", &reg)) {
int pscnum = (reg & 0xf00) >> 8;
struct clk *clk = psc_dev_clk(pscnum);
diff --git a/arch/powerpc/platforms/512x/mpc512x.h b/arch/powerpc/platforms/512x/mpc512x.h
index c32b399eb952..0a8e60023944 100644
--- a/arch/powerpc/platforms/512x/mpc512x.h
+++ b/arch/powerpc/platforms/512x/mpc512x.h
@@ -15,6 +15,7 @@ extern void __init mpc512x_init_IRQ(void);
extern void __init mpc512x_init(void);
extern int __init mpc5121_clk_init(void);
void __init mpc512x_declare_of_platform_devices(void);
+extern const char *mpc512x_select_psc_compat(void);
extern void mpc512x_restart(char *cmd);
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
diff --git a/arch/powerpc/platforms/512x/mpc5121_generic.c b/arch/powerpc/platforms/512x/mpc512x_generic.c
index ca1ca6669990..5fb919b30924 100644
--- a/arch/powerpc/platforms/512x/mpc5121_generic.c
+++ b/arch/powerpc/platforms/512x/mpc512x_generic.c
@@ -4,7 +4,7 @@
* Author: John Rigby, <jrigby@freescale.com>
*
* Description:
- * MPC5121 SoC setup
+ * MPC512x SoC setup
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
@@ -28,20 +28,22 @@
*/
static const char * const board[] __initconst = {
"prt,prtlvt",
+ "fsl,mpc5125ads",
+ "ifm,ac14xx",
NULL
};
/*
* Called very early, MMU is off, device-tree isn't unflattened
*/
-static int __init mpc5121_generic_probe(void)
+static int __init mpc512x_generic_probe(void)
{
return of_flat_dt_match(of_get_flat_dt_root(), board);
}
-define_machine(mpc5121_generic) {
- .name = "MPC5121 generic",
- .probe = mpc5121_generic_probe,
+define_machine(mpc512x_generic) {
+ .name = "MPC512x generic",
+ .probe = mpc512x_generic_probe,
.init = mpc512x_init,
.init_early = mpc512x_init_diu,
.setup_arch = mpc512x_setup_diu,
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index d30235b7e3f7..7642cd7aad73 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -330,26 +330,34 @@ void __init mpc512x_init_IRQ(void)
static struct of_device_id __initdata of_bus_ids[] = {
{ .compatible = "fsl,mpc5121-immr", },
{ .compatible = "fsl,mpc5121-localbus", },
+ { .compatible = "fsl,mpc5121-mbx", },
+ { .compatible = "fsl,mpc5121-nfc", },
+ { .compatible = "fsl,mpc5121-sram", },
+ { .compatible = "fsl,mpc5121-pci", },
+ { .compatible = "gpio-leds", },
{},
};
void __init mpc512x_declare_of_platform_devices(void)
{
- struct device_node *np;
-
if (of_platform_bus_probe(NULL, of_bus_ids, NULL))
printk(KERN_ERR __FILE__ ": "
"Error while probing of_platform bus\n");
-
- np = of_find_compatible_node(NULL, NULL, "fsl,mpc5121-nfc");
- if (np) {
- of_platform_device_create(np, NULL, NULL);
- of_node_put(np);
- }
}
#define DEFAULT_FIFO_SIZE 16
+const char *mpc512x_select_psc_compat(void)
+{
+ if (of_machine_is_compatible("fsl,mpc5121"))
+ return "fsl,mpc5121-psc";
+
+ if (of_machine_is_compatible("fsl,mpc5125"))
+ return "fsl,mpc5125-psc";
+
+ return NULL;
+}
+
static unsigned int __init get_fifo_size(struct device_node *np,
char *prop_name)
{
@@ -375,9 +383,16 @@ void __init mpc512x_psc_fifo_init(void)
void __iomem *psc;
unsigned int tx_fifo_size;
unsigned int rx_fifo_size;
+ const char *psc_compat;
int fifobase = 0; /* current fifo address in 32 bit words */
- for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") {
+ psc_compat = mpc512x_select_psc_compat();
+ if (!psc_compat) {
+ pr_err("%s: no compatible devices found\n", __func__);
+ return;
+ }
+
+ for_each_compatible_node(np, NULL, psc_compat) {
tx_fifo_size = get_fifo_size(np, "fsl,tx-fifo-size");
rx_fifo_size = get_fifo_size(np, "fsl,rx-fifo-size");