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[Qemu-devel] [PATCH arm-devs v1 08/15] xilinx_spips: Add automatic start
From: |
Peter Crosthwaite |
Subject: |
[Qemu-devel] [PATCH arm-devs v1 08/15] xilinx_spips: Add automatic start support |
Date: |
Wed, 3 Apr 2013 14:33:00 +1000 |
SPI has a mode where it automatically starts based on tx fifo
occupancy. Implemented.
Signed-off-by: Peter Crosthwaite <address@hidden>
---
hw/xilinx_spips.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/hw/xilinx_spips.c b/hw/xilinx_spips.c
index 4f921f8..f7d942e 100644
--- a/hw/xilinx_spips.c
+++ b/hw/xilinx_spips.c
@@ -446,7 +446,8 @@ static void xilinx_spips_write(void *opaque, hwaddr addr,
}
s->regs[addr] = (s->regs[addr] & ~mask) | (value & mask);
no_reg_update:
- if (man_start_com) {
+ if ((man_start_com && s->regs[R_CONFIG] & MAN_START_EN) ||
+ (fifo8_is_empty(&s->tx_fifo) && s->regs[R_CONFIG] & MAN_START_EN))
{
xilinx_spips_flush_txfifo(s);
}
xilinx_spips_update_ixr(s);
--
1.7.0.4
- Re: [Qemu-devel] [PATCH arm-devs v1 04/15] xilinx_spips: Add verbose LQSPI debug output, (continued)
- [Qemu-devel] [PATCH arm-devs v1 05/15] xilinx_spips: lqspi: Dont trash config register, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 06/15] xilinx_spips: Fix QSPI FIFO size, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 07/15] xilinx_spips: Trash LQ page cache on mode change, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 08/15] xilinx_spips: Add automatic start support,
Peter Crosthwaite <=
- [Qemu-devel] [PATCH arm-devs v1 09/15] xilinx_spips: Implement automatic CS, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 10/15] xilinx_spips: Fix CTRL register RW bits, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 11/15] xilinx_spips: Fix striping behaviour, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 12/15] xilinx_spips: Debug msgs for Snoop state, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 13/15] xilinx_spips: Multiple debug verbosity levels, Peter Crosthwaite, 2013/04/03
- [Qemu-devel] [PATCH arm-devs v1 14/15] xilinx_spips: lqspi: Push more data to tx-fifo, Peter Crosthwaite, 2013/04/03