*
* (C) Copyright 2005-2011 Freescale Semiconductor, Inc.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* #define DEBUG */
#include "ipu_regs.h"
+static struct mxc_ccm_reg __maybe_unused *mxc_ccm = (void *)CCM_BASE_ADDR;
+
struct ipu_ch_param_word {
uint32_t data[5];
uint32_t res[3];
temp1; \
})
-int clk_get_usecount(struct clk *clk)
-{
- if (clk == NULL)
- return 0;
-
- return clk->usecount;
-}
-
-u32 clk_get_rate(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->rate;
-}
-
-struct clk *clk_get_parent(struct clk *clk)
-{
- if (!clk)
- return 0;
-
- return clk->parent;
-}
-
-int clk_set_rate(struct clk *clk, unsigned long rate)
-{
- if (clk && clk->set_rate)
- clk->set_rate(clk, rate);
- return clk->rate;
-}
-
-long clk_round_rate(struct clk *clk, unsigned long rate)
-{
- if (clk == NULL || !clk->round_rate)
- return 0;
-
- return clk->round_rate(clk, rate);
-}
-
-int clk_set_parent(struct clk *clk, struct clk *parent)
-{
- debug("Setting parent of clk %p to %p (%p)\n", clk, parent,
- clk ? clk->parent : NULL);
-
- if (!clk || clk == parent)
- return 0;
-
- if (clk->set_parent) {
- int ret;
-
- ret = clk->set_parent(clk, parent);
- if (ret)
- return ret;
- }
- clk->parent = parent;
- return 0;
-}
+#define IPU_SW_RST_TOUT_USEC (10000)
static int clk_ipu_enable(struct clk *clk)
{
static struct clk ipu_clk = {
.name = "ipu_clk",
-#if defined(CONFIG_IPUV3_CLK)
.rate = CONFIG_IPUV3_CLK,
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
+ .enable_reg = (u32 *)(CCM_BASE_ADDR +
+ offsetof(struct mxc_ccm_reg, CCGR5)),
+ .enable_shift = MXC_CCM_CCGR5_IPU_OFFSET,
+#else
+ .enable_reg = (u32 *)(CCM_BASE_ADDR +
+ offsetof(struct mxc_ccm_reg, CCGR3)),
+ .enable_shift = MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET,
#endif
.enable = clk_ipu_enable,
.disable = clk_ipu_disable,
};
+static struct clk ldb_clk = {
+ .name = "ldb_clk",
+ .rate = 65000000,
+};
+
/* Globals */
struct clk *g_ipu_clk;
+struct clk *g_ldb_clk;
struct clk *g_di_clk[2];
struct clk *g_pixel_clk[2];
unsigned char g_dc_di_assignment[10];
if (parent == g_ipu_clk)
di_gen &= ~DI_GEN_DI_CLK_EXT;
- else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_di_clk[clk->id])
+ else if (!IS_ERR(g_di_clk[clk->id]) && parent == g_ldb_clk)
di_gen |= DI_GEN_DI_CLK_EXT;
else
goto err;
{
u32 *reg;
u32 value;
+ int timeout = IPU_SW_RST_TOUT_USEC;
reg = (u32 *)SRC_BASE_ADDR;
value = __raw_readl(reg);
value = value | SW_IPU_RST;
__raw_writel(value, reg);
+
+ while (__raw_readl(reg) & SW_IPU_RST) {
+ udelay(1);
+ if (!(timeout--)) {
+ printf("ipu software reset timeout\n");
+ break;
+ }
+ };
}
/*
int ret;
void *ipu_base;
unsigned long start;
-
-#if defined(CONFIG_MXC_HSC)
+#if defined CONFIG_MX51
u32 temp;
u32 *reg_hsc_mcd = (u32 *)MIPI_HSC_BASE_ADDR;
u32 *reg_hsc_mxt_conf = (u32 *)(MIPI_HSC_BASE_ADDR + 0x800);
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
#endif
- ipu_base = (void *)IPU_CTRL_BASE_ADDR;
+ ipu_base = (void *)IPU_SOC_BASE_ADDR;
/* base fixup */
if (gd->arch.ipu_hw_rev == IPUV3_HW_REV_IPUV3H) /* IPUv3H */
ipu_base += IPUV3H_REG_BASE;
g_ipu_clk = &ipu_clk;
debug("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
+ g_ldb_clk = &ldb_clk;
+ debug("ldb_clk = %u\n", clk_get_rate(g_ldb_clk));
+
ret = clk_enable(g_ipu_clk);
if (ret)
return ret;
ipu_reset();
if (di_clk_parent == DI_PCLK_LDB) {
- clk_set_parent(g_pixel_clk[di], g_di_clk[di]);
+ clk_set_parent(g_pixel_clk[di], g_ldb_clk);
} else {
clk_set_parent(g_pixel_clk[0], g_ipu_clk);
clk_set_parent(g_pixel_clk[1], g_ipu_clk);
__raw_writel(ipu_conf, IPU_CONF);
+ /* clear interrupt status */
+ __raw_writel(__raw_readl(IPU_STAT), IPU_STAT);
+
if (ipu_conf == 0) {
clk_disable(g_ipu_clk);
g_ipu_clk_enabled = 0;
}
-
}
static inline void ipu_ch_param_dump(int ch)
{
#ifdef DEBUG
struct ipu_ch_param *p = ipu_ch_param_addr(ch);
- printf("ch %d word 0 - %08X %08X %08X %08X %08X\n", ch,
+ debug("ch %d word 0 - %08X %08X %08X %08X %08X\n", ch,
p->word[0].data[0], p->word[0].data[1], p->word[0].data[2],
p->word[0].data[3], p->word[0].data[4]);
- printf("ch %d word 1 - %08X %08X %08X %08X %08X\n", ch,
+ debug("ch %d word 1 - %08X %08X %08X %08X %08X\n", ch,
p->word[1].data[0], p->word[1].data[1], p->word[1].data[2],
p->word[1].data[3], p->word[1].data[4]);
- printf("PFS 0x%x, ",
+ debug("PFS 0x%x, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 85, 4));
- printf("BPP 0x%x, ",
+ debug("BPP 0x%x, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 107, 3));
- printf("NPB 0x%x\n",
+ debug("NPB 0x%x\n",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 78, 7));
- printf("FW %d, ",
+ debug("FW %d, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 125, 13));
- printf("FH %d, ",
+ debug("FH %d, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 0, 138, 12));
- printf("Stride %d\n",
+ debug("Stride %d\n",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 102, 14));
- printf("Width0 %d+1, ",
+ debug("Width0 %d+1, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 116, 3));
- printf("Width1 %d+1, ",
+ debug("Width1 %d+1, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 119, 3));
- printf("Width2 %d+1, ",
+ debug("Width2 %d+1, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 122, 3));
- printf("Width3 %d+1, ",
+ debug("Width3 %d+1, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 125, 3));
- printf("Offset0 %d, ",
+ debug("Offset0 %d, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 128, 5));
- printf("Offset1 %d, ",
+ debug("Offset1 %d, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 133, 5));
- printf("Offset2 %d, ",
+ debug("Offset2 %d, ",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 138, 5));
- printf("Offset3 %d\n",
+ debug("Offset3 %d\n",
ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 143, 5));
#endif
}
uint32_t bytes_per_pixel(uint32_t fmt)
{
switch (fmt) {
- case IPU_PIX_FMT_GENERIC: /*generic data */
+ case IPU_PIX_FMT_GENERIC: /* generic data */
case IPU_PIX_FMT_RGB332:
case IPU_PIX_FMT_YUV420P:
case IPU_PIX_FMT_YUV422P:
case IPU_PIX_FMT_BGR24:
case IPU_PIX_FMT_RGB24:
return 3;
- case IPU_PIX_FMT_GENERIC_32: /*generic data */
+ case IPU_PIX_FMT_GENERIC_32: /* generic data */
case IPU_PIX_FMT_BGR32:
case IPU_PIX_FMT_BGRA32:
case IPU_PIX_FMT_RGB32:
projects / karo-tx-uboot.git / blobdiff