[U-Boot] [PATCH 05/11] powerpc/ppc4xx: Use generic FPGA accessors in gdsys common code

Dirk Eibach
2013-04-22T11:16:06Z

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
---
board/gdsys/405ep/405ep.c | 12 ++++----
board/gdsys/common/osd.c | 70 +++++++++++++++++++++------------------------
2 files changed, 38 insertions(+), 44 deletions(-)

diff --git a/board/gdsys/405ep/405ep.c b/board/gdsys/405ep/405ep.c
index 6221171..e5fbd2e 100644
--- a/board/gdsys/405ep/405ep.c
+++ b/board/gdsys/405ep/405ep.c
@@ -106,22 +106,20 @@ int board_early_init_r(void)
gd405ep_set_fpga_reset(0);

for (k = 0; k < CONFIG_SYS_FPGA_COUNT; ++k) {
- struct ihs_fpga *fpga =
- (struct ihs_fpga *)CONFIG_SYS_FPGA_BASE(k);
#ifdef CONFIG_SYS_FPGA_NO_RFL_HI
- u16 *reflection_target = &fpga->reflection_low;
+ u16 reflection_target = REG(reflection_low);
#else
- u16 *reflection_target = &fpga->reflection_high;
+ u16 reflection_target = REG(reflection_high);
#endif
/*
* wait for fpga out of reset
*/
ctr = 0;
while (1) {
- out_le16(&fpga->reflection_low,
- REFLECTION_TESTPATTERN);
+ fpga_set_reg(k, REG(reflection_low),
+ REFLECTION_TESTPATTERN);

- if (in_le16(reflection_target) ==
+ if (fpga_get_reg(k, reflection_target) ==
REFLECTION_TESTPATTERN_INV)
break;

diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c
index a192c98..81c8136 100644
--- a/board/gdsys/common/osd.c
+++ b/board/gdsys/common/osd.c
@@ -22,7 +22,7 @@
*/

#include <common.h>
-#include <i2c.h>
+#include "bb_i2c.h"
#include <asm/io.h>

#include <gdsys_fpga.h>
@@ -67,37 +67,34 @@ enum {
CH7301_DSP = 0x56, /* DVI Sync polarity Register */
};

+unsigned int max_osd_screen = CONFIG_SYS_OSD_SCREENS - 1;
+
#if defined(CONFIG_SYS_ICS8N3QV01) || defined(CONFIG_SYS_SIL1178)
static void fpga_iic_write(unsigned screen, u8 slave, u8 reg, u8 data)
{
- struct ihs_fpga *fpga = (struct ihs_fpga *)CONFIG_SYS_FPGA_BASE(screen);
- struct ihs_i2c *i2c = &fpga->i2c;
-
- while (in_le16(&fpga->extended_interrupt) & (1 << 12))
+ while (fpga_get_reg(screen, REG(extended_interrupt)) & (1 << 12))
;
- out_le16(&i2c->write_mailbox_ext, reg | (data << 8));
- out_le16(&i2c->write_mailbox, 0xc400 | (slave << 1));
+ fpga_set_reg(screen, REG(i2c.write_mailbox_ext), reg | (data << 8));
+ fpga_set_reg(screen, REG(i2c.write_mailbox), 0xc400 | (slave << 1));
}

static u8 fpga_iic_read(unsigned screen, u8 slave, u8 reg)
{
- struct ihs_fpga *fpga = (struct ihs_fpga *)CONFIG_SYS_FPGA_BASE(screen);
- struct ihs_i2c *i2c = &fpga->i2c;
unsigned int ctr = 0;

- while (in_le16(&fpga->extended_interrupt) & (1 << 12))
+ while (fpga_get_reg(screen, REG(extended_interrupt)) & (1 << 12))
;
- out_le16(&fpga->extended_interrupt, 1 << 14);
- out_le16(&i2c->write_mailbox_ext, reg);
- out_le16(&i2c->write_mailbox, 0xc000 | (slave << 1));
- while (!(in_le16(&fpga->extended_interrupt) & (1 << 14))) {
+ fpga_set_reg(screen, REG(extended_interrupt), 1 << 14);
+ fpga_set_reg(screen, REG(i2c.write_mailbox_ext), reg);
+ fpga_set_reg(screen, REG(i2c.write_mailbox), 0xc000 | (slave << 1));
+ while (!(fpga_get_reg(screen, REG(extended_interrupt)) & (1 << 14))) {
udelay(100000);
if (ctr++ > 5) {
printf("iic receive timeout\n");
break;
}
}
- return in_le16(&i2c->read_mailbox_ext) >> 8;
+ return fpga_get_reg(screen, REG(i2c.read_mailbox_ext)) >> 8;
}
#endif

@@ -129,7 +126,6 @@ static void mpc92469ac_calc_parameters(unsigned int fout,

static void mpc92469ac_set(unsigned screen, unsigned int fout)
{
- struct ihs_fpga *fpga = (struct ihs_fpga *)CONFIG_SYS_FPGA_BASE(screen);
unsigned int n;
unsigned int m;
unsigned int bitval = 0;
@@ -150,7 +146,7 @@ static void mpc92469ac_set(unsigned screen, unsigned int fout)
break;
}

- out_le16(&fpga->mpc3w_control, (bitval << 9) | m);
+ fpga_set_reg(screen, REG(mpc3w_control), (bitval << 9) | m);
}
#endif

@@ -265,14 +261,13 @@ static void ics8n3qv01_set(unsigned screen, unsigned int fout)
static int osd_write_videomem(unsigned screen, unsigned offset,
u16 *data, size_t charcount)
{
- struct ihs_fpga *fpga =
- (struct ihs_fpga *) CONFIG_SYS_FPGA_BASE(screen);
unsigned int k;

for (k = 0; k < charcount; ++k) {
if (offset + k >= BUFSIZE)
return -1;
- out_le16(&fpga->videomem + offset + k, data[k]);
+ fpga_set_reg(screen, REG(videomem) + sizeof(u16) * (offset + k),
+ data[k]);
}

return charcount;
@@ -282,7 +277,7 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned screen;

- for (screen = 0; screen < CONFIG_SYS_OSD_SCREENS; ++screen) {
+ for (screen = 0; screen <= max_osd_screen; ++screen) {
unsigned x;
unsigned y;
unsigned charcount;
@@ -318,10 +313,8 @@ static int osd_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

int osd_probe(unsigned screen)
{
- struct ihs_fpga *fpga = (struct ihs_fpga *)CONFIG_SYS_FPGA_BASE(screen);
- struct ihs_osd *osd = &fpga->osd;
- u16 version = in_le16(&osd->version);
- u16 features = in_le16(&osd->features);
+ u16 version = fpga_get_reg(screen, REG(osd.version));
+ u16 features = fpga_get_reg(screen, REG(osd.features));
unsigned width;
unsigned height;
u8 value;
@@ -333,16 +326,16 @@ int osd_probe(unsigned screen)
screen, version/100, version%100, width, height);

#ifdef CONFIG_SYS_CH7301
- value = i2c_reg_read(CH7301_I2C_ADDR, CH7301_DID);
+ value = bb_i2c_reg_read(screen, CH7301_I2C_ADDR, CH7301_DID);
if (value != 0x17) {
printf(" Probing CH7301 failed, DID %02x\n", value);
return -1;
}
- i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
- i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPD, 0x16);
- i2c_reg_write(CH7301_I2C_ADDR, CH7301_TPF, 0x60);
- i2c_reg_write(CH7301_I2C_ADDR, CH7301_DC, 0x09);
- i2c_reg_write(CH7301_I2C_ADDR, CH7301_PM, 0xc0);
+ bb_i2c_reg_write(screen, CH7301_I2C_ADDR, CH7301_TPCP, 0x08);
+ bb_i2c_reg_write(screen, CH7301_I2C_ADDR, CH7301_TPD, 0x16);
+ bb_i2c_reg_write(screen, CH7301_I2C_ADDR, CH7301_TPF, 0x60);
+ bb_i2c_reg_write(screen, CH7301_I2C_ADDR, CH7301_DC, 0x09);
+ bb_i2c_reg_write(screen, CH7301_I2C_ADDR, CH7301_PM, 0xc0);
#endif

#ifdef CONFIG_SYS_MPC92469AC
@@ -372,12 +365,15 @@ int osd_probe(unsigned screen)
fpga_iic_write(screen, SIL1178_MASTER_I2C_ADDRESS, 0x08, 0x37);
#endif

- out_le16(&fpga->videocontrol, 0x0002);
- out_le16(&osd->control, 0x0049);
+ fpga_set_reg(screen, REG(videocontrol), 0x0002);
+ fpga_set_reg(screen, REG(osd.control), 0x0049);
+
+ fpga_set_reg(screen, REG(osd.xy_size), ((32 - 1) << 8) | (16 - 1));
+ fpga_set_reg(screen, REG(osd.x_pos), 0x007f);
+ fpga_set_reg(screen, REG(osd.y_pos), 0x005f);

- out_le16(&osd->xy_size, ((32 - 1) << 8) | (16 - 1));
- out_le16(&osd->x_pos, 0x007f);
- out_le16(&osd->y_pos, 0x005f);
+ if (screen > max_osd_screen)
+ max_osd_screen = screen;

return 0;
}
@@ -386,7 +382,7 @@ int osd_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned screen;

- for (screen = 0; screen < CONFIG_SYS_OSD_SCREENS; ++screen) {
+ for (screen = 0; screen <= max_osd_screen; ++screen) {
unsigned x;
unsigned y;
unsigned k;
--
1.7.10.4