/*
* This function is called by the driver framework to initialize the IPU
* hardware.
*
* @param dev The device structure for the IPU passed in by the
* driver framework.
*
* @return Returns 0 on success or negative error code on error
*/
int ipu_probe(void)
{
unsigned long ipu_base;
#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);
__raw_writel(0xF00, reg_hsc_mcd);
/* CSI mode reserved*/
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x0FF, reg_hsc_mxt_conf);
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
#endif
ipu_base = IPU_CTRL_BASE_ADDR;
ipu_cpmem_base = (u32 *)(ipu_base + IPU_CPMEM_REG_BASE);
ipu_dc_tmpl_reg = (u32 *)(ipu_base + IPU_DC_TMPL_REG_BASE);
g_pixel_clk[0] = &pixel_clk[0];
g_pixel_clk[1] = &pixel_clk[1];
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));
ipu_reset();
clk_set_parent(g_pixel_clk[0], g_ipu_clk);
clk_set_parent(g_pixel_clk[1], g_ipu_clk);
clk_enable(g_ipu_clk);
g_di_clk[0] = NULL;
g_di_clk[1] = NULL;
__raw_writel(0x807FFFFF, IPU_MEM_RST);
while (__raw_readl(IPU_MEM_RST) & 0x80000000)
;
ipu_init_dc_mappings();
__raw_writel(0, IPU_INT_CTRL(5));
__raw_writel(0, IPU_INT_CTRL(6));
__raw_writel(0, IPU_INT_CTRL(9));
__raw_writel(0, IPU_INT_CTRL(10));
/* DMFC Init */
ipu_dmfc_init(DMFC_NORMAL, 1);
/* Set sync refresh channels as high priority */
__raw_writel(0x18800000L, IDMAC_CHA_PRI(0));
/* Set MCU_T to divide MCU access window into 2 */
__raw_writel(0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN);
clk_disable(g_ipu_clk);
return 0;
}
/*
* This function is called by the driver framework to initialize the IPU
* hardware.
*
* @param dev The device structure for the IPU passed in by the
* driver framework.
*
* @return Returns 0 on success or negative error code on error
*/
int ipu_probe(int di, ipu_di_clk_parent_t di_clk_parent, int di_clk_val)
{
unsigned long ipu_base;
#if defined(CONFIG_MXC_HSC)
u32 temp;
u32 *reg_hsc_mcd = (u32 *)MIPI_HSC_BASE_ADDR;
u32 *reg_hsc_mxt_conf = (u32 *)(MIPI_HSC_BASE_ADDR + 0x800);
__raw_writel(0xF00, reg_hsc_mcd);
/* CSI mode reserved*/
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x0FF, reg_hsc_mxt_conf);
temp = __raw_readl(reg_hsc_mxt_conf);
__raw_writel(temp | 0x10000, reg_hsc_mxt_conf);
#endif
ipu_base = IPU_CTRL_BASE_ADDR;
ipu_cpmem_base = (u32 *)(ipu_base + IPU_CPMEM_REG_BASE);
ipu_dc_tmpl_reg = (u32 *)(ipu_base + IPU_DC_TMPL_REG_BASE);
ipu_csi_reg[0] = (u32 *)(ipu_base + IPU_CSI0_REG_BASE);
ipu_csi_reg[1] = (u32 *)(ipu_base + IPU_CSI1_REG_BASE);
ipu_smfc_reg = (u32 *)(ipu_base + IPU_SMFC_REG_BASE);
ipu_ic_reg = (u32*)(ipu_base + IPU_IC_REG_BASE);
g_pixel_clk[0] = &pixel_clk[0];
g_pixel_clk[1] = &pixel_clk[1];
g_di_clk[0] = &di_clk[0];
g_di_clk[1] = &di_clk[1];
g_di_clk[di]->rate = di_clk_val;
g_ipu_clk = &ipu_clk;
//printf("ipu_clk = %u\n", clk_get_rate(g_ipu_clk));
ipu_reset();
if (di_clk_parent == DI_PCLK_LDB) {
clk_set_parent(g_pixel_clk[di], g_di_clk[di]);
} else {
clk_set_parent(g_pixel_clk[0], g_ipu_clk);
// clk_set_parent(g_pixel_clk[1], g_ipu_clk);
}
clk_enable(g_ipu_clk);
__raw_writel(0x807FFFFF, IPU_MEM_RST);
while (__raw_readl(IPU_MEM_RST) & 0x80000000)
;
ipu_init_dc_mappings();
__raw_writel(0, IPU_INT_CTRL(5));
__raw_writel(0, IPU_INT_CTRL(6));
__raw_writel(0, IPU_INT_CTRL(9));
__raw_writel(0, IPU_INT_CTRL(10));
/* DMFC Init */
ipu_dmfc_init(DMFC_NORMAL, 1);
/* Set sync refresh channels as high priority */
__raw_writel(0x18900000L, IDMAC_CHA_PRI(0));
/* Set MCU_T to divide MCU access window into 2 */
__raw_writel(0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN);
clk_disable(g_ipu_clk);
return 0;
}