diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/u-boot/drivers/video/s6e63d6.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/drivers/video/s6e63d6.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/video/s6e63d6.c | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/qemu/roms/u-boot/drivers/video/s6e63d6.c b/qemu/roms/u-boot/drivers/video/s6e63d6.c deleted file mode 100644 index f077260d7..000000000 --- a/qemu/roms/u-boot/drivers/video/s6e63d6.c +++ /dev/null @@ -1,60 +0,0 @@ -/* - * Copyright (C) 2009 - * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <spi.h> -#include <s6e63d6.h> - -/* - * Each transfer is performed as: - * 1. chip-select active - * 2. send 8-bit start code - * 3. send 16-bit data - * 4. chip-select inactive - */ -static int send_word(struct s6e63d6 *data, u8 rs, u16 word) -{ - /* - * The start byte looks like (binary): - * 01110<ID><RS><R/W> - * RS is 0 for index or 1 for data, and R/W is 0 for write. - */ - u32 buf8 = 0x70 | data->id | (rs & 2); - u32 buf16 = cpu_to_le16(word); - u32 buf_in; - int err; - - err = spi_xfer(data->slave, 8, &buf8, &buf_in, SPI_XFER_BEGIN); - if (err) - return err; - - return spi_xfer(data->slave, 16, &buf16, &buf_in, SPI_XFER_END); -} - -/* Index and param differ in Register Select bit */ -int s6e63d6_index(struct s6e63d6 *data, u8 idx) -{ - return send_word(data, 0, idx); -} - -int s6e63d6_param(struct s6e63d6 *data, u16 param) -{ - return send_word(data, 2, param); -} - -int s6e63d6_init(struct s6e63d6 *data) -{ - if (data->id != 0 && data->id != 4) { - printf("s6e63d6: invalid ID %u\n", data->id); - return 1; - } - - data->slave = spi_setup_slave(data->bus, data->cs, 100000, SPI_MODE_3); - if (!data->slave) - return 1; - - return 0; -} |