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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-08 13:04:20 -0500 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-08 13:04:20 -0500 |
commit | 21eb4fa1700112d1420d72e1de708af671a251c8 (patch) | |
tree | 3afd9f526da50108c27e05ac69826be5e7c2ad6e /arch/powerpc/kernel/udbg_16550.c | |
parent | 0c0e8caf9fd6c9a49fb9fbdba14a8b7b4239adde (diff) | |
parent | d003e7a1a569501cbe9a5ca14748177498c4893a (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc
* master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc: (116 commits)
[POWERPC] Add export of vgacon_remap_base
[POWERPC] Remove bogus comment about page_is_ram
[POWERPC] windfarm: don't die on suspend thread signal
[POWERPC] Fix comment in kernel/irq.c
[POWERPC] ppc: Fix booke watchdog initialization
[POWERPC] PPC: Use ARRAY_SIZE macro when appropriate
[POWERPC] Use ARRAY_SIZE macro when appropriate
[POWERPC] Fix ppc64's writing to struct file_operations
[POWERPC] ppc: use syslog macro for the printk log level
[POWERPC] ppc: cs4218_tdm remove extra brace
[POWERPC] Add mpc52xx/lite5200 PCI support
[POWERPC] Only use H_BULK_REMOVE if the firmware supports it
[POWERPC] Fixup error handling when emulating a floating point instruction
[POWERPC] Enable interrupts if we are doing fp math emulation
[POWERPC] Added kprobes support to ppc32
[POWERPC] Make pSeries use the H_BULK_REMOVE hypervisor call
[POWERPC] Clear RI bit in MSR before restoring r13 when returning to userspace
[POWERPC] Fix performance monitor exception
[POWERPC] Compile fixes for arch/powerpc dcr code
[POWERPC] Maple: use mmio nvram
...
Diffstat (limited to 'arch/powerpc/kernel/udbg_16550.c')
-rw-r--r-- | arch/powerpc/kernel/udbg_16550.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/udbg_16550.c b/arch/powerpc/kernel/udbg_16550.c index 2d17f2b8eda7..e738f93b42fe 100644 --- a/arch/powerpc/kernel/udbg_16550.c +++ b/arch/powerpc/kernel/udbg_16550.c | |||
@@ -14,6 +14,8 @@ | |||
14 | 14 | ||
15 | extern u8 real_readb(volatile u8 __iomem *addr); | 15 | extern u8 real_readb(volatile u8 __iomem *addr); |
16 | extern void real_writeb(u8 data, volatile u8 __iomem *addr); | 16 | extern void real_writeb(u8 data, volatile u8 __iomem *addr); |
17 | extern u8 real_205_readb(volatile u8 __iomem *addr); | ||
18 | extern void real_205_writeb(u8 data, volatile u8 __iomem *addr); | ||
17 | 19 | ||
18 | struct NS16550 { | 20 | struct NS16550 { |
19 | /* this struct must be packed */ | 21 | /* this struct must be packed */ |
@@ -167,3 +169,25 @@ void __init udbg_init_maple_realmode(void) | |||
167 | udbg_getc_poll = NULL; | 169 | udbg_getc_poll = NULL; |
168 | } | 170 | } |
169 | #endif /* CONFIG_PPC_MAPLE */ | 171 | #endif /* CONFIG_PPC_MAPLE */ |
172 | |||
173 | #ifdef CONFIG_PPC_PASEMI | ||
174 | void udbg_pas_real_putc(char c) | ||
175 | { | ||
176 | if (udbg_comport) { | ||
177 | while ((real_205_readb(&udbg_comport->lsr) & LSR_THRE) == 0) | ||
178 | /* wait for idle */; | ||
179 | real_205_writeb(c, &udbg_comport->thr); eieio(); | ||
180 | if (c == '\n') | ||
181 | udbg_pas_real_putc('\r'); | ||
182 | } | ||
183 | } | ||
184 | |||
185 | void udbg_init_pas_realmode(void) | ||
186 | { | ||
187 | udbg_comport = (volatile struct NS16550 __iomem *)0xfcff03f8; | ||
188 | |||
189 | udbg_putc = udbg_pas_real_putc; | ||
190 | udbg_getc = NULL; | ||
191 | udbg_getc_poll = NULL; | ||
192 | } | ||
193 | #endif /* CONFIG_PPC_MAPLE */ | ||