Release 4.7 arch/powerpc/sysdev/fsl_soc.c
/*
* FSL SoC setup code
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* 2006 (c) MontaVista Software, Inc.
* Vitaly Bordug <vbordug@ru.mvista.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/major.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/export.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
#include <linux/spi/spi.h>
#include <linux/fsl_devices.h>
#include <linux/fs_enet_pd.h>
#include <linux/fs_uart_pd.h>
#include <linux/atomic.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/time.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <sysdev/fsl_soc.h>
#include <mm/mmu_decl.h>
#include <asm/cpm2.h>
#include <asm/fsl_hcalls.h> /* For the Freescale hypervisor */
extern void init_fcc_ioports(struct fs_platform_info*);
extern void init_fec_ioports(struct fs_platform_info*);
extern void init_smc_ioports(struct fs_uart_platform_info*);
static phys_addr_t immrbase = -1;
phys_addr_t get_immrbase(void)
{
struct device_node *soc;
if (immrbase != -1)
return immrbase;
soc = of_find_node_by_type(NULL, "soc");
if (soc) {
int size;
u32 naddr;
const __be32 *prop = of_get_property(soc, "#address-cells", &size);
if (prop && size == 4)
naddr = be32_to_cpup(prop);
else
naddr = 2;
prop = of_get_property(soc, "ranges", &size);
if (prop)
immrbase = of_translate_address(soc, prop + naddr);
of_node_put(soc);
}
return immrbase;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kumar gala | kumar gala | 68 | 60.18% | 1 | 16.67% |
| scott wood | scott wood | 35 | 30.97% | 1 | 16.67% |
| kim phillips | kim phillips | 4 | 3.54% | 1 | 16.67% |
| vitaly bordug | vitaly bordug | 4 | 3.54% | 1 | 16.67% |
| jeremy kerr | jeremy kerr | 1 | 0.88% | 1 | 16.67% |
| stephen rothwell | stephen rothwell | 1 | 0.88% | 1 | 16.67% |
| Total | 113 | 100.00% | 6 | 100.00% |
EXPORT_SYMBOL(get_immrbase);
static u32 sysfreq = -1;
u32 fsl_get_sys_freq(void)
{
struct device_node *soc;
const u32 *prop;
int size;
if (sysfreq != -1)
return sysfreq;
soc = of_find_node_by_type(NULL, "soc");
if (!soc)
return -1;
prop = of_get_property(soc, "clock-frequency", &size);
if (!prop || size != sizeof(*prop) || *prop == 0)
prop = of_get_property(soc, "bus-frequency", &size);
if (prop && size == sizeof(*prop))
sysfreq = *prop;
of_node_put(soc);
return sysfreq;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| scott wood | scott wood | 115 | 100.00% | 1 | 100.00% |
| Total | 115 | 100.00% | 1 | 100.00% |
EXPORT_SYMBOL(fsl_get_sys_freq);
#if defined(CONFIG_CPM2) || defined(CONFIG_QUICC_ENGINE) || defined(CONFIG_8xx)
static u32 brgfreq = -1;
u32 get_brgfreq(void)
{
struct device_node *node;
const unsigned int *prop;
int size;
if (brgfreq != -1)
return brgfreq;
node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
if (node) {
prop = of_get_property(node, "clock-frequency", &size);
if (prop && size == 4)
brgfreq = *prop;
of_node_put(node);
return brgfreq;
}
/* Legacy device binding -- will go away when no users are left. */
node = of_find_node_by_type(NULL, "cpm");
if (!node)
node = of_find_compatible_node(NULL, NULL, "fsl,qe");
if (!node)
node = of_find_node_by_type(NULL, "qe");
if (node) {
prop = of_get_property(node, "brg-frequency", &size);
if (prop && size == 4)
brgfreq = *prop;
if (brgfreq == -1 || brgfreq == 0) {
prop = of_get_property(node, "bus-frequency", &size);
if (prop && size == 4)
brgfreq = *prop / 2;
}
of_node_put(node);
}
return brgfreq;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| anton vorontsov | anton vorontsov | 70 | 35.00% | 1 | 20.00% |
| scott wood | scott wood | 67 | 33.50% | 2 | 40.00% |
| vitaly bordug | vitaly bordug | 62 | 31.00% | 1 | 20.00% |
| stephen rothwell | stephen rothwell | 1 | 0.50% | 1 | 20.00% |
| Total | 200 | 100.00% | 5 | 100.00% |
EXPORT_SYMBOL(get_brgfreq);
static u32 fs_baudrate = -1;
u32 get_baudrate(void)
{
struct device_node *node;
if (fs_baudrate != -1)
return fs_baudrate;
node = of_find_node_by_type(NULL, "serial");
if (node) {
int size;
const unsigned int *prop = of_get_property(node,
"current-speed", &size);
if (prop)
fs_baudrate = *prop;
of_node_put(node);
}
return fs_baudrate;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| vitaly bordug | vitaly bordug | 72 | 98.63% | 1 | 50.00% |
| stephen rothwell | stephen rothwell | 1 | 1.37% | 1 | 50.00% |
| Total | 73 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL(get_baudrate);
#endif /* CONFIG_CPM2 */
#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx)
static __be32 __iomem *rstcr;
static int __init setup_rstcr(void)
{
struct device_node *np;
for_each_node_by_name(np, "global-utilities") {
if ((of_get_property(np, "fsl,has-rstcr", NULL))) {
rstcr = of_iomap(np, 0) + 0xb0;
if (!rstcr)
printk (KERN_ERR "Error: reset control "
"register not mapped!\n");
break;
}
}
if (!rstcr && ppc_md.restart == fsl_rstcr_restart)
printk(KERN_ERR "No RSTCR register, warm reboot won't work\n");
of_node_put(np);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kumar gala | kumar gala | 65 | 75.58% | 2 | 50.00% |
| matthew mcclintock | matthew mcclintock | 11 | 12.79% | 1 | 25.00% |
| paul gortmaker | paul gortmaker | 10 | 11.63% | 1 | 25.00% |
| Total | 86 | 100.00% | 4 | 100.00% |
arch_initcall(setup_rstcr);
void fsl_rstcr_restart(char *cmd)
{
local_irq_disable();
if (rstcr)
/* set reset control register */
out_be32(rstcr, 0x2); /* HRESET_REQ */
while (1) ;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kumar gala | kumar gala | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
#endif
#if defined(CONFIG_FB_FSL_DIU) || defined(CONFIG_FB_FSL_DIU_MODULE)
struct platform_diu_data_ops diu_ops;
EXPORT_SYMBOL(diu_ops);
#endif
#ifdef CONFIG_EPAPR_PARAVIRT
/*
* Restart the current partition
*
* This function should be assigned to the ppc_md.restart function pointer,
* to initiate a partition restart when we're running under the Freescale
* hypervisor.
*/
void fsl_hv_restart(char *cmd)
{
pr_info("hv restart\n");
fh_partition_restart(-1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| timur tabi | timur tabi | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
/*
* Halt the current partition
*
* This function should be assigned to the pm_power_off and ppc_md.halt
* function pointers, to shut down the partition when we're running under
* the Freescale hypervisor.
*/
void fsl_hv_halt(void)
{
pr_info("hv exit\n");
fh_partition_stop(-1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| timur tabi | timur tabi | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kumar gala | kumar gala | 251 | 28.36% | 5 | 17.86% |
| scott wood | scott wood | 234 | 26.44% | 5 | 17.86% |
| vitaly bordug | vitaly bordug | 216 | 24.41% | 4 | 14.29% |
| anton vorontsov | anton vorontsov | 81 | 9.15% | 3 | 10.71% |
| timur tabi | timur tabi | 43 | 4.86% | 1 | 3.57% |
| york sun | york sun | 22 | 2.49% | 1 | 3.57% |
| paul gortmaker | paul gortmaker | 14 | 1.58% | 2 | 7.14% |
| matthew mcclintock | matthew mcclintock | 11 | 1.24% | 1 | 3.57% |
| kim phillips | kim phillips | 4 | 0.45% | 1 | 3.57% |
| andy fleming | andy fleming | 3 | 0.34% | 1 | 3.57% |
| stephen rothwell | stephen rothwell | 3 | 0.34% | 1 | 3.57% |
| jeremy kerr | jeremy kerr | 1 | 0.11% | 1 | 3.57% |
| alexander graf | alexander graf | 1 | 0.11% | 1 | 3.57% |
| arun sharma | arun sharma | 1 | 0.11% | 1 | 3.57% |
| Total | 885 | 100.00% | 28 | 100.00% |
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