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authorPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
committerPekka Enberg <penberg@kernel.org>2010-10-24 19:57:05 +0300
commit6d4121f6c20a0e86231d52f535f1c82423b3326f (patch)
tree5c235cac699ca86b504850aa663ddadde0455a61 /arch/mips/alchemy
parent92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff)
parent35da7a307c535f9c2929cae277f3df425c9f9b1e (diff)
Merge branch 'master' into for-linus
Conflicts: include/linux/percpu.h mm/percpu.c
Diffstat (limited to 'arch/mips/alchemy')
-rw-r--r--arch/mips/alchemy/common/platform.c28
-rw-r--r--arch/mips/alchemy/common/power.c35
-rw-r--r--arch/mips/alchemy/common/prom.c5
-rw-r--r--arch/mips/alchemy/devboards/bcsr.c1
4 files changed, 31 insertions, 38 deletions
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 1dc55ee2681..3691630931d 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -24,6 +24,33 @@
#include <prom.h>
+static void alchemy_8250_pm(struct uart_port *port, unsigned int state,
+ unsigned int old_state)
+{
+ switch (state) {
+ case 0:
+ if ((__raw_readl(port->membase + UART_MOD_CNTRL) & 3) != 3) {
+ /* power-on sequence as suggested in the databooks */
+ __raw_writel(0, port->membase + UART_MOD_CNTRL);
+ wmb();
+ __raw_writel(1, port->membase + UART_MOD_CNTRL);
+ wmb();
+ }
+ __raw_writel(3, port->membase + UART_MOD_CNTRL); /* full on */
+ wmb();
+ serial8250_do_pm(port, state, old_state);
+ break;
+ case 3: /* power off */
+ serial8250_do_pm(port, state, old_state);
+ __raw_writel(0, port->membase + UART_MOD_CNTRL);
+ wmb();
+ break;
+ default:
+ serial8250_do_pm(port, state, old_state);
+ break;
+ }
+}
+
#define PORT(_base, _irq) \
{ \
.mapbase = _base, \
@@ -33,6 +60,7 @@
.flags = UPF_SKIP_TEST | UPF_IOREMAP | \
UPF_FIXED_TYPE, \
.type = PORT_16550A, \
+ .pm = alchemy_8250_pm, \
}
static struct plat_serial8250_port au1x00_uart_data[] = {
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 5ef06a164a8..e5916a516e5 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -49,11 +49,6 @@
* We only have to save/restore registers that aren't otherwise
* done as part of a driver pm_* function.
*/
-static unsigned int sleep_uart0_inten;
-static unsigned int sleep_uart0_fifoctl;
-static unsigned int sleep_uart0_linectl;
-static unsigned int sleep_uart0_clkdiv;
-static unsigned int sleep_uart0_enable;
static unsigned int sleep_usb[2];
static unsigned int sleep_sys_clocks[5];
static unsigned int sleep_sys_pinfunc;
@@ -62,22 +57,6 @@ static unsigned int sleep_static_memctlr[4][3];
static void save_core_regs(void)
{
- extern void save_au1xxx_intctl(void);
- extern void pm_eth0_shutdown(void);
-
- /*
- * Do the serial ports.....these really should be a pm_*
- * registered function by the driver......but of course the
- * standard serial driver doesn't understand our Au1xxx
- * unique registers.
- */
- sleep_uart0_inten = au_readl(UART0_ADDR + UART_IER);
- sleep_uart0_fifoctl = au_readl(UART0_ADDR + UART_FCR);
- sleep_uart0_linectl = au_readl(UART0_ADDR + UART_LCR);
- sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
- sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
- au_sync();
-
#ifndef CONFIG_SOC_AU1200
/* Shutdown USB host/device. */
sleep_usb[0] = au_readl(USB_HOST_CONFIG);
@@ -175,20 +154,6 @@ static void restore_core_regs(void)
au_writel(sleep_static_memctlr[3][0], MEM_STCFG3);
au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
-
- /*
- * Enable the UART if it was enabled before sleep.
- * I guess I should define module control bits........
- */
- if (sleep_uart0_enable & 0x02) {
- au_writel(0, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(1, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(3, UART0_ADDR + UART_MOD_CNTRL); au_sync();
- au_writel(sleep_uart0_inten, UART0_ADDR + UART_IER); au_sync();
- au_writel(sleep_uart0_fifoctl, UART0_ADDR + UART_FCR); au_sync();
- au_writel(sleep_uart0_linectl, UART0_ADDR + UART_LCR); au_sync();
- au_writel(sleep_uart0_clkdiv, UART0_ADDR + UART_CLK); au_sync();
- }
}
void au_sleep(void)
diff --git a/arch/mips/alchemy/common/prom.c b/arch/mips/alchemy/common/prom.c
index c29511b11d4..53402105962 100644
--- a/arch/mips/alchemy/common/prom.c
+++ b/arch/mips/alchemy/common/prom.c
@@ -43,7 +43,7 @@ int prom_argc;
char **prom_argv;
char **prom_envp;
-void prom_init_cmdline(void)
+void __init prom_init_cmdline(void)
{
int i;
@@ -104,7 +104,7 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
}
}
-int prom_get_ethernet_addr(char *ethernet_addr)
+int __init prom_get_ethernet_addr(char *ethernet_addr)
{
char *ethaddr_str;
@@ -123,7 +123,6 @@ int prom_get_ethernet_addr(char *ethernet_addr)
return 0;
}
-EXPORT_SYMBOL(prom_get_ethernet_addr);
void __init prom_free_prom_memory(void)
{
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 3bc4fd2155d..c52af8821da 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -10,6 +10,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/spinlock.h>
+#include <linux/irq.h>
#include <asm/addrspace.h>
#include <asm/io.h>
#include <asm/mach-db1x00/bcsr.h>