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authorMatteo Facchinetti <matteo.facchinetti@sirius-es.it>2013-04-04 03:57:30 +0000
committerAnatolij Gustschin <agust@denx.de>2013-04-10 20:37:43 +0200
commita9b6aae496801236cb65d9d5786dba797680cbea (patch)
treedd6c7be3512aa5c13267ea669d1f420d95daeded /arch/powerpc/platforms/512x
parentb9e7196ecdf6d7cd7a41b560e596c9af94413c05 (diff)
powerpc/mpc512x: add platform code for MPC5125.
Tested on MPC5125 Tower evaluation board with mpc512x_defconfig compile configuration. In detail, supports for: - PSC / UART - RTC - ETH - DIU - I2C Signed-off-by: Matteo Facchinetti <matteo.facchinetti@sirius-es.it> Signed-off-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'arch/powerpc/platforms/512x')
-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.c1
-rw-r--r--arch/powerpc/platforms/512x/mpc512x_shared.c20
4 files changed, 29 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c
index 52d57d28172..e504166e089 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 c32b399eb95..0a8e6002394 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/mpc512x_generic.c b/arch/powerpc/platforms/512x/mpc512x_generic.c
index d53fa4fdff2..6dfcb513899 100644
--- a/arch/powerpc/platforms/512x/mpc512x_generic.c
+++ b/arch/powerpc/platforms/512x/mpc512x_generic.c
@@ -28,6 +28,7 @@
*/
static const char * const board[] __initconst = {
"prt,prtlvt",
+ "fsl,mpc5125ads",
NULL
};
diff --git a/arch/powerpc/platforms/512x/mpc512x_shared.c b/arch/powerpc/platforms/512x/mpc512x_shared.c
index 2765cd1c767..7642cd7aad7 100644
--- a/arch/powerpc/platforms/512x/mpc512x_shared.c
+++ b/arch/powerpc/platforms/512x/mpc512x_shared.c
@@ -347,6 +347,17 @@ void __init mpc512x_declare_of_platform_devices(void)
#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)
{
@@ -372,9 +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");