[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH for-1.5 v3 07/15] xilinx_spips: Add automatic start
From: |
peter . crosthwaite |
Subject: |
[Qemu-devel] [PATCH for-1.5 v3 07/15] xilinx_spips: Add automatic start support |
Date: |
Mon, 22 Apr 2013 15:15:51 +1000 |
From: Peter Crosthwaite <address@hidden>
SPI has a mode where it automatically starts based on tx fifo
occupancy. Implemented.
Signed-off-by: Peter Crosthwaite <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
---
hw/ssi/xilinx_spips.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index a7ba702..5580e67 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -451,7 +451,8 @@ 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
- [Qemu-devel] [PATCH for-1.5 v3 00/15] Xilinx SPIPS fixes round 2, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 01/15] xilinx_spips: seperate SPI and QSPI as two classes, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 02/15] xilinx_spips: Make interrupts clear on read, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 03/15] xilinx_spips: Inhibit interrupts in LQSPI mode, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 04/15] xilinx_spips: Add verbose LQSPI debug output, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 05/15] xilinx_spips: Fix QSPI FIFO size, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 06/15] xilinx_spips: Trash LQ page cache on mode change, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 07/15] xilinx_spips: Add automatic start support,
peter . crosthwaite <=
- [Qemu-devel] [PATCH for-1.5 v3 08/15] xilinx_spips: Implement automatic CS, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 09/15] xilinx_spips: lqspi: Dont touch config register, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 11/15] xilinx_spips: Fix striping behaviour, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 12/15] xilinx_spips: Debug msgs for Snoop state, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 13/15] xilinx_spips: Multiple debug verbosity levels, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 14/15] xilinx_spips: lqspi: Push more data to tx-fifo, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 15/15] xilinx_spips: lqspi: Fix byte/misaligned access, peter . crosthwaite, 2013/04/22
- [Qemu-devel] [PATCH for-1.5 v3 10/15] xilinx_spips: Fix CTRL register RW bits, peter . crosthwaite, 2013/04/22