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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-30 10:43:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-30 10:43:56 -0700
commit660fc1f4d88b0f5e4bb936e4a5a9b95b70df9e58 (patch)
treea5b5de254f9b4378d77171e2a5d6496ec8e3e3f5 /arch/powerpc/sysdev/cpm2.c
parent3dd730f2b49f101b90d283c3efc4e6cd826dd8f6 (diff)
parentce0ad7f0952581ba75ab6aee55bb1ed9bb22cf4f (diff)
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Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/mm: Lockless get_user_pages_fast() for 64-bit (v3) powerpc: Don't use the wrong thread_struct for ptrace get/set VSX regs powerpc: Fix ptrace buffer size for VSX powerpc: Correctly hookup PTRACE_GET/SETVSRREGS for 32 bit processes ide/powermac: Fix use of uninitialized pointer on media-bay powerpc: Allow non-hcall return values for lparcfg writes ipmi/powerpc: Use linux/of_{device,platform}.h instead of asm powerpc/fsl: proliferate simple-bus compatibility to soc nodes Documentation: remove old sbc8260 board specific information cpm2: Rework baud rate generators configuration to support external clocks. powerpc: rtc_cmos_setup: assign interrupts only if there is i8259 PIC cpm_uart: Add generic clock API support to set baudrates cpm_uart: Modem control lines support powerpc: implement GPIO LIB API on CPM1 Freescale SoC. cpm2: Implement GPIO LIB API on CPM2 Freescale SoC. powerpc: Fix 8xx build failure powerpc: clean up the Book-E HW watchpoint support
Diffstat (limited to 'arch/powerpc/sysdev/cpm2.c')
-rw-r--r--arch/powerpc/sysdev/cpm2.c45
1 files changed, 15 insertions, 30 deletions
diff --git a/arch/powerpc/sysdev/cpm2.c b/arch/powerpc/sysdev/cpm2.c
index 5a6c5dfc53ef..f1c3395633b9 100644
--- a/arch/powerpc/sysdev/cpm2.c
+++ b/arch/powerpc/sysdev/cpm2.c
@@ -115,16 +115,10 @@ EXPORT_SYMBOL(cpm_command);
* Baud rate clocks are zero-based in the driver code (as that maps
* to port numbers). Documentation uses 1-based numbering.
*/
-#define BRG_INT_CLK (get_brgfreq())
-#define BRG_UART_CLK (BRG_INT_CLK/16)
-
-/* This function is used by UARTS, or anything else that uses a 16x
- * oversampled clock.
- */
-void
-cpm_setbrg(uint brg, uint rate)
+void __cpm2_setbrg(uint brg, uint rate, uint clk, int div16, int src)
{
u32 __iomem *bp;
+ u32 val;
/* This is good enough to get SMCs running.....
*/
@@ -135,34 +129,14 @@ cpm_setbrg(uint brg, uint rate)
brg -= 4;
}
bp += brg;
- out_be32(bp, (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN);
-
- cpm2_unmap(bp);
-}
-
-/* This function is used to set high speed synchronous baud rate
- * clocks.
- */
-void
-cpm2_fastbrg(uint brg, uint rate, int div16)
-{
- u32 __iomem *bp;
- u32 val;
-
- if (brg < 4) {
- bp = cpm2_map_size(im_brgc1, 16);
- } else {
- bp = cpm2_map_size(im_brgc5, 16);
- brg -= 4;
- }
- bp += brg;
- val = ((BRG_INT_CLK / rate) << 1) | CPM_BRG_EN;
+ val = (((clk / rate) - 1) << 1) | CPM_BRG_EN | src;
if (div16)
val |= CPM_BRG_DIV16;
out_be32(bp, val);
cpm2_unmap(bp);
}
+EXPORT_SYMBOL(__cpm2_setbrg);
int cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode)
{
@@ -377,3 +351,14 @@ void cpm2_set_pin(int port, int pin, int flags)
else
clrbits32(&iop[port].odr, pin);
}
+
+static int cpm_init_par_io(void)
+{
+ struct device_node *np;
+
+ for_each_compatible_node(np, NULL, "fsl,cpm2-pario-bank")
+ cpm2_gpiochip_add32(np);
+ return 0;
+}
+arch_initcall(cpm_init_par_io);
+
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