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-rw-r--r--qemu/tests/libqos/i2c-omap.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/qemu/tests/libqos/i2c-omap.c b/qemu/tests/libqos/i2c-omap.c
deleted file mode 100644
index 2028f2f14..000000000
--- a/qemu/tests/libqos/i2c-omap.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * QTest I2C driver
- *
- * Copyright (c) 2012 Andreas Färber
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- */
-#include "qemu/osdep.h"
-#include "libqos/i2c.h"
-
-#include <glib.h>
-
-#include "qemu/bswap.h"
-#include "libqtest.h"
-
-enum OMAPI2CRegisters {
- OMAP_I2C_REV = 0x00,
- OMAP_I2C_STAT = 0x08,
- OMAP_I2C_CNT = 0x18,
- OMAP_I2C_DATA = 0x1c,
- OMAP_I2C_CON = 0x24,
- OMAP_I2C_SA = 0x2c,
-};
-
-enum OMAPI2CSTATBits {
- OMAP_I2C_STAT_NACK = 1 << 1,
- OMAP_I2C_STAT_ARDY = 1 << 2,
- OMAP_I2C_STAT_RRDY = 1 << 3,
- OMAP_I2C_STAT_XRDY = 1 << 4,
- OMAP_I2C_STAT_ROVR = 1 << 11,
- OMAP_I2C_STAT_SBD = 1 << 15,
-};
-
-enum OMAPI2CCONBits {
- OMAP_I2C_CON_STT = 1 << 0,
- OMAP_I2C_CON_STP = 1 << 1,
- OMAP_I2C_CON_TRX = 1 << 9,
- OMAP_I2C_CON_MST = 1 << 10,
- OMAP_I2C_CON_BE = 1 << 14,
- OMAP_I2C_CON_I2C_EN = 1 << 15,
-};
-
-typedef struct OMAPI2C {
- I2CAdapter parent;
-
- uint64_t addr;
-} OMAPI2C;
-
-
-static void omap_i2c_set_slave_addr(OMAPI2C *s, uint8_t addr)
-{
- uint16_t data = addr;
-
- writew(s->addr + OMAP_I2C_SA, data);
- data = readw(s->addr + OMAP_I2C_SA);
- g_assert_cmphex(data, ==, addr);
-}
-
-static void omap_i2c_send(I2CAdapter *i2c, uint8_t addr,
- const uint8_t *buf, uint16_t len)
-{
- OMAPI2C *s = (OMAPI2C *)i2c;
- uint16_t data;
-
- omap_i2c_set_slave_addr(s, addr);
-
- data = len;
- writew(s->addr + OMAP_I2C_CNT, data);
-
- data = OMAP_I2C_CON_I2C_EN |
- OMAP_I2C_CON_TRX |
- OMAP_I2C_CON_MST |
- OMAP_I2C_CON_STT |
- OMAP_I2C_CON_STP;
- writew(s->addr + OMAP_I2C_CON, data);
- data = readw(s->addr + OMAP_I2C_CON);
- g_assert((data & OMAP_I2C_CON_STP) != 0);
-
- data = readw(s->addr + OMAP_I2C_STAT);
- g_assert((data & OMAP_I2C_STAT_NACK) == 0);
-
- while (len > 1) {
- data = readw(s->addr + OMAP_I2C_STAT);
- g_assert((data & OMAP_I2C_STAT_XRDY) != 0);
-
- data = buf[0] | ((uint16_t)buf[1] << 8);
- writew(s->addr + OMAP_I2C_DATA, data);
- buf = (uint8_t *)buf + 2;
- len -= 2;
- }
- if (len == 1) {
- data = readw(s->addr + OMAP_I2C_STAT);
- g_assert((data & OMAP_I2C_STAT_XRDY) != 0);
-
- data = buf[0];
- writew(s->addr + OMAP_I2C_DATA, data);
- }
-
- data = readw(s->addr + OMAP_I2C_CON);
- g_assert((data & OMAP_I2C_CON_STP) == 0);
-}
-
-static void omap_i2c_recv(I2CAdapter *i2c, uint8_t addr,
- uint8_t *buf, uint16_t len)
-{
- OMAPI2C *s = (OMAPI2C *)i2c;
- uint16_t data, stat;
-
- omap_i2c_set_slave_addr(s, addr);
-
- data = len;
- writew(s->addr + OMAP_I2C_CNT, data);
-
- data = OMAP_I2C_CON_I2C_EN |
- OMAP_I2C_CON_MST |
- OMAP_I2C_CON_STT |
- OMAP_I2C_CON_STP;
- writew(s->addr + OMAP_I2C_CON, data);
- data = readw(s->addr + OMAP_I2C_CON);
- g_assert((data & OMAP_I2C_CON_STP) == 0);
-
- data = readw(s->addr + OMAP_I2C_STAT);
- g_assert((data & OMAP_I2C_STAT_NACK) == 0);
-
- data = readw(s->addr + OMAP_I2C_CNT);
- g_assert_cmpuint(data, ==, len);
-
- while (len > 0) {
- data = readw(s->addr + OMAP_I2C_STAT);
- g_assert((data & OMAP_I2C_STAT_RRDY) != 0);
- g_assert((data & OMAP_I2C_STAT_ROVR) == 0);
-
- data = readw(s->addr + OMAP_I2C_DATA);
-
- stat = readw(s->addr + OMAP_I2C_STAT);
-
- if (unlikely(len == 1)) {
- g_assert((stat & OMAP_I2C_STAT_SBD) != 0);
-
- buf[0] = data & 0xff;
- buf++;
- len--;
- } else {
- buf[0] = data & 0xff;
- buf[1] = data >> 8;
- buf += 2;
- len -= 2;
- }
- }
-
- data = readw(s->addr + OMAP_I2C_CON);
- g_assert((data & OMAP_I2C_CON_STP) == 0);
-}
-
-I2CAdapter *omap_i2c_create(uint64_t addr)
-{
- OMAPI2C *s = g_malloc0(sizeof(*s));
- I2CAdapter *i2c = (I2CAdapter *)s;
- uint16_t data;
-
- s->addr = addr;
-
- i2c->send = omap_i2c_send;
- i2c->recv = omap_i2c_recv;
-
- /* verify the mmio address by looking for a known signature */
- data = readw(addr + OMAP_I2C_REV);
- g_assert_cmphex(data, ==, 0x34);
-
- return i2c;
-}