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-rw-r--r--drivers/Makefile1
-rw-r--r--drivers/mmc/fsl_esdhc.c2
-rw-r--r--drivers/mtd/nand/Kconfig7
-rw-r--r--drivers/mtd/nand/denali.c132
-rw-r--r--drivers/mtd/nand/denali.h5
-rw-r--r--drivers/mtd/nand/nand_base.c10
-rw-r--r--drivers/mtd/nand/s3c2410_nand.c38
-rw-r--r--drivers/mtd/nand/vf610_nfc.c3
-rw-r--r--drivers/net/fm/eth.c16
-rw-r--r--drivers/power/pmic/pmic_max77686.c52
-rw-r--r--drivers/qe/Makefile3
-rw-r--r--drivers/qe/fdt.c2
-rw-r--r--drivers/qe/qe.c140
-rw-r--r--drivers/qe/qe.h5
-rw-r--r--drivers/serial/serial_uniphier.c19
-rw-r--r--drivers/usb/host/ehci-exynos.c55
-rw-r--r--drivers/usb/host/ehci-fsl.c5
-rw-r--r--drivers/usb/host/ehci-uniphier.c38
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/sunxi_display.c451
20 files changed, 894 insertions, 91 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index 7683c6139f..5ef58c051e 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -16,6 +16,7 @@ obj-y += twserial/
obj-y += video/
obj-y += watchdog/
obj-$(CONFIG_QE) += qe/
+obj-$(CONFIG_U_QE) += qe/
obj-y += memory/
obj-y += pwm/
obj-y += input/
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index cb46b13cbd..c55eb28217 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -618,7 +618,7 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
#endif
cfg->cfg.f_min = 400000;
- cfg->cfg.f_max = min(gd->arch.sdhc_clk, (u32)52000000);
+ cfg->cfg.f_max = min(cfg->sdhc_clk, (u32)52000000);
cfg->cfg.b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 75c2c065c8..c24221499b 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -1,9 +1,16 @@
menu "NAND Device Support"
+config SYS_NAND_SELF_INIT
+ bool
+ help
+ This option, if enabled, provides more flexible and linux-like
+ NAND initialization process.
+
if !SPL_BUILD
config NAND_DENALI
bool "Support Denali NAND controller"
+ select SYS_NAND_SELF_INIT
help
Enable support for the Denali NAND controller.
diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 308b7845f1..9e0429aa19 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -44,7 +44,7 @@ static int onfi_timing_mode = NAND_DEFAULT_TIMINGS;
* this macro allows us to convert from an MTD structure to our own
* device context (denali) structure.
*/
-#define mtd_to_denali(m) (((struct nand_chip *)mtd->priv)->priv)
+#define mtd_to_denali(m) container_of(m->priv, struct denali_nand_info, nand)
/* These constants are defined by the driver to enable common driver
* configuration options. */
@@ -1144,70 +1144,128 @@ static void denali_hw_init(struct denali_nand_info *denali)
static struct nand_ecclayout nand_oob;
-static int denali_nand_init(struct nand_chip *nand)
+static int denali_init(struct denali_nand_info *denali)
{
- struct denali_nand_info *denali;
+ int ret;
- denali = malloc(sizeof(*denali));
- if (!denali)
- return -ENOMEM;
+ denali_hw_init(denali);
- nand->priv = denali;
+ denali->mtd->name = "denali-nand";
+ denali->mtd->owner = THIS_MODULE;
+ denali->mtd->priv = &denali->nand;
- denali->flash_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
- denali->flash_mem = (void __iomem *)CONFIG_SYS_NAND_DATA_BASE;
+ /* register the driver with the NAND core subsystem */
+ denali->nand.select_chip = denali_select_chip;
+ denali->nand.cmdfunc = denali_cmdfunc;
+ denali->nand.read_byte = denali_read_byte;
+ denali->nand.read_buf = denali_read_buf;
+ denali->nand.waitfunc = denali_waitfunc;
+
+ /*
+ * scan for NAND devices attached to the controller
+ * this is the first stage in a two step process to register
+ * with the nand subsystem
+ */
+ if (nand_scan_ident(denali->mtd, denali->max_banks, NULL)) {
+ ret = -ENXIO;
+ goto fail;
+ }
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
/* check whether flash got BBT table (located at end of flash). As we
* use NAND_BBT_NO_OOB, the BBT page will start with
* bbt_pattern. We will have mirror pattern too */
- nand->bbt_options |= NAND_BBT_USE_FLASH;
+ denali->nand.bbt_options |= NAND_BBT_USE_FLASH;
/*
* We are using main + spare with ECC support. As BBT need ECC support,
* we need to ensure BBT code don't write to OOB for the BBT pattern.
* All BBT info will be stored into data area with ECC support.
*/
- nand->bbt_options |= NAND_BBT_NO_OOB;
+ denali->nand.bbt_options |= NAND_BBT_NO_OOB;
#endif
- nand->ecc.mode = NAND_ECC_HW;
- nand->ecc.size = CONFIG_NAND_DENALI_ECC_SIZE;
- nand->ecc.read_oob = denali_read_oob;
- nand->ecc.write_oob = denali_write_oob;
- nand->ecc.read_page = denali_read_page;
- nand->ecc.read_page_raw = denali_read_page_raw;
- nand->ecc.write_page = denali_write_page;
- nand->ecc.write_page_raw = denali_write_page_raw;
+ denali->nand.ecc.mode = NAND_ECC_HW;
+ denali->nand.ecc.size = CONFIG_NAND_DENALI_ECC_SIZE;
+
/*
* Tell driver the ecc strength. This register may be already set
* correctly. So we read this value out.
*/
- nand->ecc.strength = readl(denali->flash_reg + ECC_CORRECTION);
- switch (nand->ecc.size) {
+ denali->nand.ecc.strength = readl(denali->flash_reg + ECC_CORRECTION);
+ switch (denali->nand.ecc.size) {
case 512:
- nand->ecc.bytes = (nand->ecc.strength * 13 + 15) / 16 * 2;
+ denali->nand.ecc.bytes =
+ (denali->nand.ecc.strength * 13 + 15) / 16 * 2;
break;
case 1024:
- nand->ecc.bytes = (nand->ecc.strength * 14 + 15) / 16 * 2;
+ denali->nand.ecc.bytes =
+ (denali->nand.ecc.strength * 14 + 15) / 16 * 2;
break;
default:
pr_err("Unsupported ECC size\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto fail;
}
- nand_oob.eccbytes = nand->ecc.bytes;
- nand->ecc.layout = &nand_oob;
-
- /* Set address of hardware control function */
- nand->cmdfunc = denali_cmdfunc;
- nand->read_byte = denali_read_byte;
- nand->read_buf = denali_read_buf;
- nand->select_chip = denali_select_chip;
- nand->waitfunc = denali_waitfunc;
- denali_hw_init(denali);
- return 0;
+ nand_oob.eccbytes = denali->nand.ecc.bytes;
+ denali->nand.ecc.layout = &nand_oob;
+
+ writel(denali->mtd->erasesize / denali->mtd->writesize,
+ denali->flash_reg + PAGES_PER_BLOCK);
+ writel(denali->nand.options & NAND_BUSWIDTH_16 ? 1 : 0,
+ denali->flash_reg + DEVICE_WIDTH);
+ writel(denali->mtd->writesize,
+ denali->flash_reg + DEVICE_MAIN_AREA_SIZE);
+ writel(denali->mtd->oobsize,
+ denali->flash_reg + DEVICE_SPARE_AREA_SIZE);
+ if (readl(denali->flash_reg + DEVICES_CONNECTED) == 0)
+ writel(1, denali->flash_reg + DEVICES_CONNECTED);
+
+ /* override the default operations */
+ denali->nand.ecc.read_page = denali_read_page;
+ denali->nand.ecc.read_page_raw = denali_read_page_raw;
+ denali->nand.ecc.write_page = denali_write_page;
+ denali->nand.ecc.write_page_raw = denali_write_page_raw;
+ denali->nand.ecc.read_oob = denali_read_oob;
+ denali->nand.ecc.write_oob = denali_write_oob;
+
+ if (nand_scan_tail(denali->mtd)) {
+ ret = -ENXIO;
+ goto fail;
+ }
+
+ ret = nand_register(0);
+
+fail:
+ return ret;
+}
+
+static int __board_nand_init(void)
+{
+ struct denali_nand_info *denali;
+
+ denali = kzalloc(sizeof(*denali), GFP_KERNEL);
+ if (!denali)
+ return -ENOMEM;
+
+ /*
+ * If CONFIG_SYS_NAND_SELF_INIT is defined, each driver is responsible
+ * for instantiating struct nand_chip, while drivers/mtd/nand/nand.c
+ * still provides a "struct mtd_info nand_info" instance.
+ */
+ denali->mtd = &nand_info[0];
+
+ /*
+ * In the future, these base addresses should be taken from
+ * Device Tree or platform data.
+ */
+ denali->flash_reg = (void __iomem *)CONFIG_SYS_NAND_REGS_BASE;
+ denali->flash_mem = (void __iomem *)CONFIG_SYS_NAND_DATA_BASE;
+
+ return denali_init(denali);
}
-int board_nand_init(struct nand_chip *chip)
+void board_nand_init(void)
{
- return denali_nand_init(chip);
+ if (__board_nand_init() < 0)
+ pr_warn("Failed to initialize Denali NAND controller.\n");
}
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index 3277da71e1..a258df00fd 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -434,9 +434,8 @@ struct nand_buf {
#define DT 3
struct denali_nand_info {
- struct mtd_info mtd;
- struct nand_chip *nand;
-
+ struct mtd_info *mtd;
+ struct nand_chip nand;
int flash_bank; /* currently selected chip */
int status;
int platform;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 0b6e7ee385..70e780c311 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -634,6 +634,11 @@ static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip,
{
struct nand_chip *chip = mtd->priv;
+ if (!(chip->options & NAND_BBT_SCANNED)) {
+ chip->scan_bbt(mtd);
+ chip->options |= NAND_BBT_SCANNED;
+ }
+
if (!chip->bbt)
return chip->block_bad(mtd, ofs, getchip);
@@ -4322,10 +4327,9 @@ int nand_scan_tail(struct mtd_info *mtd)
/* Check, if we should skip the bad block table scan */
if (chip->options & NAND_SKIP_BBTSCAN)
- return 0;
+ chip->options |= NAND_BBT_SCANNED;
- /* Build bad block table */
- return chip->scan_bbt(mtd);
+ return 0;
}
EXPORT_SYMBOL(nand_scan_tail);
diff --git a/drivers/mtd/nand/s3c2410_nand.c b/drivers/mtd/nand/s3c2410_nand.c
index db87d07269..b3a2a60bb2 100644
--- a/drivers/mtd/nand/s3c2410_nand.c
+++ b/drivers/mtd/nand/s3c2410_nand.c
@@ -38,10 +38,10 @@ static void nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)
}
#endif
-static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+static void s3c24x0_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
{
struct nand_chip *chip = mtd->priv;
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
debug("hwcontrol(): 0x%02x 0x%02x\n", cmd, ctrl);
@@ -67,35 +67,35 @@ static void s3c2410_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
writeb(cmd, chip->IO_ADDR_W);
}
-static int s3c2410_dev_ready(struct mtd_info *mtd)
+static int s3c24x0_dev_ready(struct mtd_info *mtd)
{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
debug("dev_ready\n");
return readl(&nand->nfstat) & 0x01;
}
#ifdef CONFIG_S3C2410_NAND_HWECC
-void s3c2410_nand_enable_hwecc(struct mtd_info *mtd, int mode)
+void s3c24x0_nand_enable_hwecc(struct mtd_info *mtd, int mode)
{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
- debug("s3c2410_nand_enable_hwecc(%p, %d)\n", mtd, mode);
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
+ debug("s3c24x0_nand_enable_hwecc(%p, %d)\n", mtd, mode);
writel(readl(&nand->nfconf) | S3C2410_NFCONF_INITECC, &nand->nfconf);
}
-static int s3c2410_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
+static int s3c24x0_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
u_char *ecc_code)
{
- struct s3c2410_nand *nand = s3c2410_get_base_nand();
+ struct s3c24x0_nand *nand = s3c24x0_get_base_nand();
ecc_code[0] = readb(&nand->nfecc);
ecc_code[1] = readb(&nand->nfecc + 1);
ecc_code[2] = readb(&nand->nfecc + 2);
- debug("s3c2410_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
- mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
+ debug("s3c24x0_nand_calculate_hwecc(%p,): 0x%02x 0x%02x 0x%02x\n",
+ mtd , ecc_code[0], ecc_code[1], ecc_code[2]);
return 0;
}
-static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
+static int s3c24x0_nand_correct_data(struct mtd_info *mtd, u_char *dat,
u_char *read_ecc, u_char *calc_ecc)
{
if (read_ecc[0] == calc_ecc[0] &&
@@ -103,7 +103,7 @@ static int s3c2410_nand_correct_data(struct mtd_info *mtd, u_char *dat,
read_ecc[2] == calc_ecc[2])
return 0;
- printf("s3c2410_nand_correct_data: not implemented\n");
+ printf("s3c24x0_nand_correct_data: not implemented\n");
return -1;
}
#endif
@@ -113,7 +113,7 @@ int board_nand_init(struct nand_chip *nand)
u_int32_t cfg;
u_int8_t tacls, twrph0, twrph1;
struct s3c24x0_clock_power *clk_power = s3c24x0_get_base_clock_power();
- struct s3c2410_nand *nand_reg = s3c2410_get_base_nand();
+ struct s3c24x0_nand *nand_reg = s3c24x0_get_base_nand();
debug("board_nand_init()\n");
@@ -149,14 +149,14 @@ int board_nand_init(struct nand_chip *nand)
#endif
/* hwcontrol always must be implemented */
- nand->cmd_ctrl = s3c2410_hwcontrol;
+ nand->cmd_ctrl = s3c24x0_hwcontrol;
- nand->dev_ready = s3c2410_dev_ready;
+ nand->dev_ready = s3c24x0_dev_ready;
#ifdef CONFIG_S3C2410_NAND_HWECC
- nand->ecc.hwctl = s3c2410_nand_enable_hwecc;
- nand->ecc.calculate = s3c2410_nand_calculate_ecc;
- nand->ecc.correct = s3c2410_nand_correct_data;
+ nand->ecc.hwctl = s3c24x0_nand_enable_hwecc;
+ nand->ecc.calculate = s3c24x0_nand_calculate_ecc;
+ nand->ecc.correct = s3c24x0_nand_correct_data;
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.size = CONFIG_SYS_NAND_ECCSIZE;
nand->ecc.bytes = CONFIG_SYS_NAND_ECCBYTES;
diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index 7feb3a7b1e..928d58b3a7 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -611,6 +611,9 @@ static int vf610_nfc_nand_init(int devnum, void __iomem *addr)
vf610_nfc_clear(mtd, NFC_FLASH_CONFIG, CONFIG_16BIT);
}
+ /* Disable subpage writes as we do not provide ecc->hwctl */
+ chip->options |= NAND_NO_SUBPAGE_WRITE;
+
chip->dev_ready = vf610_nfc_dev_ready;
chip->cmdfunc = vf610_nfc_command;
chip->read_byte = vf610_nfc_read_byte;
diff --git a/drivers/net/fm/eth.c b/drivers/net/fm/eth.c
index 218a5ed175..137886c2f3 100644
--- a/drivers/net/fm/eth.c
+++ b/drivers/net/fm/eth.c
@@ -39,9 +39,14 @@ static void dtsec_configure_serdes(struct fm_eth *priv)
u32 value;
struct mii_dev bus;
bus.priv = priv->mac->phyregs;
+ bool sgmii_2500 = (priv->enet_if ==
+ PHY_INTERFACE_MODE_SGMII_2500) ? true : false;
+
+ /* SGMII IF mode + AN enable only for 1G SGMII, not for 2.5G */
+ value = PHY_SGMII_IF_MODE_SGMII;
+ if (!sgmii_2500)
+ value |= PHY_SGMII_IF_MODE_AN;
- /* SGMII IF mode + AN enable */
- value = PHY_SGMII_IF_MODE_AN | PHY_SGMII_IF_MODE_SGMII;
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x14, value);
/* Dev ability according to SGMII specification */
@@ -54,7 +59,9 @@ static void dtsec_configure_serdes(struct fm_eth *priv)
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0x12, 0xd40);
/* Restart AN */
- value = PHY_SGMII_CR_DEF_VAL | PHY_SGMII_CR_RESET_AN;
+ value = PHY_SGMII_CR_DEF_VAL;
+ if (!sgmii_2500)
+ value |= PHY_SGMII_CR_RESET_AN;
memac_mdio_write(&bus, 0, MDIO_DEVAD_NONE, 0, value);
#else
struct dtsec *regs = priv->mac->base;
@@ -83,7 +90,8 @@ static void dtsec_init_phy(struct eth_device *dev)
out_be32(&regs->tbipa, CONFIG_SYS_TBIPA_VALUE);
#endif
- if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII)
+ if (fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII ||
+ fm_eth->enet_if == PHY_INTERFACE_MODE_SGMII_2500)
dtsec_configure_serdes(fm_eth);
}
diff --git a/drivers/power/pmic/pmic_max77686.c b/drivers/power/pmic/pmic_max77686.c
index df1fd91de3..95b1a57ca2 100644
--- a/drivers/power/pmic/pmic_max77686.c
+++ b/drivers/power/pmic/pmic_max77686.c
@@ -42,11 +42,30 @@ static unsigned int max77686_ldo_volt2hex(int ldo, ulong uV)
return 0;
}
+static int max77686_buck_volt2hex(int buck, ulong uV)
+{
+ int hex = 0;
+
+ if (buck < 5 || buck > 9) {
+ debug("%s: buck %d is not supported\n", __func__, buck);
+ return -EINVAL;
+ }
+
+ hex = (uV - 750000) / 50000;
+
+ if (hex >= 0 && hex <= MAX77686_BUCK_VOLT_MAX_HEX)
+ return hex;
+
+ debug("%s: %ld is wrong voltage value for BUCK%d\n",
+ __func__, uV, buck);
+ return -EINVAL;
+}
+
int max77686_set_ldo_voltage(struct pmic *p, int ldo, ulong uV)
{
unsigned int val, ret, hex, adr;
- if (ldo < 1 && ldo > 26) {
+ if (ldo < 1 || ldo > 26) {
printf("%s: %d is wrong ldo number\n", __func__, ldo);
return -1;
}
@@ -68,11 +87,38 @@ int max77686_set_ldo_voltage(struct pmic *p, int ldo, ulong uV)
return ret;
}
+int max77686_set_buck_voltage(struct pmic *p, int buck, ulong uV)
+{
+ unsigned int val, adr;
+ int hex, ret;
+
+ if (buck < 5 || buck > 9) {
+ printf("%s: %d is an unsupported bucket number\n",
+ __func__, buck);
+ return -EINVAL;
+ }
+
+ adr = max77686_buck_addr[buck] + 1;
+ hex = max77686_buck_volt2hex(buck, uV);
+
+ if (hex < 0)
+ return hex;
+
+ ret = pmic_reg_read(p, adr, &val);
+ if (ret)
+ return ret;
+
+ val &= ~MAX77686_BUCK_VOLT_MASK;
+ ret |= pmic_reg_write(p, adr, val | hex);
+
+ return ret;
+}
+
int max77686_set_ldo_mode(struct pmic *p, int ldo, char opmode)
{
unsigned int val, ret, adr, mode;
- if (ldo < 1 && 26 < ldo) {
+ if (ldo < 1 || 26 < ldo) {
printf("%s: %d is wrong ldo number\n", __func__, ldo);
return -1;
}
@@ -157,7 +203,7 @@ int max77686_set_buck_mode(struct pmic *p, int buck, char opmode)
/* mode */
switch (opmode) {
case OPMODE_OFF:
- mode = MAX77686_BUCK_MODE_OFF;
+ mode = MAX77686_BUCK_MODE_OFF << mode_shift;
break;
case OPMODE_STANDBY:
switch (buck) {
diff --git a/drivers/qe/Makefile b/drivers/qe/Makefile
index 7f1bd06922..8fa48667ec 100644
--- a/drivers/qe/Makefile
+++ b/drivers/qe/Makefile
@@ -4,5 +4,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := qe.o uccf.o uec.o uec_phy.o
+obj-$(CONFIG_QE) += qe.o uccf.o uec.o uec_phy.o
+obj-$(CONFIG_U_QE) += qe.o
obj-$(CONFIG_OF_LIBFDT) += fdt.o
diff --git a/drivers/qe/fdt.c b/drivers/qe/fdt.c
index d9a7d8206f..dfae4bf64d 100644
--- a/drivers/qe/fdt.c
+++ b/drivers/qe/fdt.c
@@ -12,6 +12,7 @@
#include <fdt_support.h>
#include "qe.h"
+#ifdef CONFIG_QE
DECLARE_GLOBAL_DATA_PTR;
/*
@@ -72,3 +73,4 @@ void ft_qe_setup(void *blob)
"clock-frequency", gd->arch.qe_clk / 2, 1);
fdt_fixup_qe_firmware(blob);
}
+#endif
diff --git a/drivers/qe/qe.c b/drivers/qe/qe.c
index 4358a91adb..bc946731a1 100644
--- a/drivers/qe/qe.c
+++ b/drivers/qe/qe.c
@@ -40,6 +40,7 @@ void qe_issue_cmd(uint cmd, uint sbc, u8 mcn, u32 cmd_data)
return;
}
+#ifdef CONFIG_QE
uint qe_muram_alloc(uint size, uint align)
{
uint retloc;
@@ -70,6 +71,7 @@ uint qe_muram_alloc(uint size, uint align)
return retloc;
}
+#endif
void *qe_muram_addr(uint offset)
{
@@ -180,6 +182,17 @@ void qe_init(uint qe_base)
qe_snums_init();
}
+#ifdef CONFIG_U_QE
+void u_qe_init(void)
+{
+ uint qe_base = CONFIG_SYS_IMMR + 0x01400000; /* QE immr base */
+ qe_immr = (qe_map_t *)qe_base;
+
+ u_qe_upload_firmware((const void *)CONFIG_SYS_QE_FW_ADDR);
+ out_be32(&qe_immr->iram.iready, QE_IRAM_READY);
+}
+#endif
+
void qe_reset(void)
{
qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID,
@@ -212,6 +225,7 @@ void qe_assign_page(uint snum, uint para_ram_base)
#define BRG_CLK (gd->arch.brg_clk)
+#ifdef CONFIG_QE
int qe_set_brg(uint brg, uint rate)
{
volatile uint *bp;
@@ -239,6 +253,7 @@ int qe_set_brg(uint brg, uint rate)
return 0;
}
+#endif
/* Set ethernet MII clock master
*/
@@ -429,6 +444,131 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
return 0;
}
+#ifdef CONFIG_U_QE
+/*
+ * Upload a microcode to the I-RAM at a specific address.
+ *
+ * See docs/README.qe_firmware for information on QE microcode uploading.
+ *
+ * Currently, only version 1 is supported, so the 'version' field must be
+ * set to 1.
+ *
+ * The SOC model and revision are not validated, they are only displayed for
+ * informational purposes.
+ *
+ * 'calc_size' is the calculated size, in bytes, of the firmware structure and
+ * all of the microcode structures, minus the CRC.
+ *
+ * 'length' is the size that the structure says it is, including the CRC.
+ */
+int u_qe_upload_firmware(const struct qe_firmware *firmware)
+{
+ unsigned int i;
+ unsigned int j;
+ u32 crc;
+ size_t calc_size = sizeof(struct qe_firmware);
+ size_t length;
+ const struct qe_header *hdr;
+#ifdef CONFIG_DEEP_SLEEP
+ ccsr_gur_t __iomem *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+#endif
+ if (!firmware) {
+ printf("Invalid address\n");
+ return -EINVAL;
+ }
+
+ hdr = &firmware->header;
+ length = be32_to_cpu(hdr->length);
+
+ /* Check the magic */
+ if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
+ (hdr->magic[2] != 'F')) {
+ printf("Not a microcode\n");
+#ifdef CONFIG_DEEP_SLEEP
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_QE_DISABLE);
+#endif
+ return -EPERM;
+ }
+
+ /* Check the version */
+ if (hdr->version != 1) {
+ printf("Unsupported version\n");
+ return -EPERM;
+ }
+
+ /* Validate some of the fields */
+ if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) {
+ printf("Invalid data\n");
+ return -EINVAL;
+ }
+
+ /* Validate the length and check if there's a CRC */
+ calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
+
+ for (i = 0; i < firmware->count; i++)
+ /*
+ * For situations where the second RISC uses the same microcode
+ * as the first, the 'code_offset' and 'count' fields will be
+ * zero, so it's okay to add those.
+ */
+ calc_size += sizeof(u32) *
+ be32_to_cpu(firmware->microcode[i].count);
+
+ /* Validate the length */
+ if (length != calc_size + sizeof(u32)) {
+ printf("Invalid length\n");
+ return -EPERM;
+ }
+
+ /*
+ * Validate the CRC. We would normally call crc32_no_comp(), but that
+ * function isn't available unless you turn on JFFS support.
+ */
+ crc = be32_to_cpu(*(u32 *)((void *)firmware + calc_size));
+ if (crc != (crc32(-1, (const void *)firmware, calc_size) ^ -1)) {
+ printf("Firmware CRC is invalid\n");
+ return -EIO;
+ }
+
+ /*
+ * If the microcode calls for it, split the I-RAM.
+ */
+ if (!firmware->split) {
+ out_be16(&qe_immr->cp.cercr,
+ in_be16(&qe_immr->cp.cercr) | QE_CP_CERCR_CIR);
+ }
+
+ if (firmware->soc.model)
+ printf("Firmware '%s' for %u V%u.%u\n",
+ firmware->id, be16_to_cpu(firmware->soc.model),
+ firmware->soc.major, firmware->soc.minor);
+ else
+ printf("Firmware '%s'\n", firmware->id);
+
+ /* Loop through each microcode. */
+ for (i = 0; i < firmware->count; i++) {
+ const struct qe_microcode *ucode = &firmware->microcode[i];
+
+ /* Upload a microcode if it's present */
+ if (ucode->code_offset)
+ qe_upload_microcode(firmware, ucode);
+
+ /* Program the traps for this processor */
+ for (j = 0; j < 16; j++) {
+ u32 trap = be32_to_cpu(ucode->traps[j]);
+
+ if (trap)
+ out_be32(&qe_immr->rsp[i].tibcr[j], trap);
+ }
+
+ /* Enable traps */
+ out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
+ }
+
+ return 0;
+}
+#endif
+
struct qe_firmware_info *qe_get_firmware_info(void)
{
return qe_firmware_uploaded ? &qe_firmware_info : NULL;
diff --git a/drivers/qe/qe.h b/drivers/qe/qe.h
index ebb7c5f124..33878f897b 100644
--- a/drivers/qe/qe.h
+++ b/drivers/qe/qe.h
@@ -285,4 +285,9 @@ void ft_qe_setup(void *blob);
void qe_init(uint qe_base);
void qe_reset(void);
+#ifdef CONFIG_U_QE
+void u_qe_init(void);
+int u_qe_upload_firmware(const struct qe_firmware *firmware);
+#endif
+
#endif /* __QE_H__ */
diff --git a/drivers/serial/serial_uniphier.c b/drivers/serial/serial_uniphier.c
index 6046efb51f..e8a1608b99 100644
--- a/drivers/serial/serial_uniphier.c
+++ b/drivers/serial/serial_uniphier.c
@@ -11,6 +11,7 @@
#include <dm/device.h>
#include <dm/platform_data/serial-uniphier.h>
#include <serial.h>
+#include <fdtdec.h>
#define UART_REG(x) \
u8 x; \
@@ -113,19 +114,21 @@ static int uniphier_serial_remove(struct udevice *dev)
}
#ifdef CONFIG_OF_CONTROL
-static const struct udevice_id uniphier_uart_of_match = {
- { .compatible = "panasonic,uniphier-uart"},
+static const struct udevice_id uniphier_uart_of_match[] = {
+ { .compatible = "panasonic,uniphier-uart" },
{},
};
static int uniphier_serial_ofdata_to_platdata(struct udevice *dev)
{
- /*
- * TODO: Masahiro Yamada (yamada.m@jp.panasonic.com)
- *
- * Implement conversion code from DTB to platform data
- * when supporting CONFIG_OF_CONTROL on UniPhir platform.
- */
+ struct uniphier_serial_platform_data *plat = dev_get_platdata(dev);
+ DECLARE_GLOBAL_DATA_PTR;
+
+ plat->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+ plat->uartclk = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency", 0);
+
+ return 0;
}
#endif
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c
index edd91a84a7..6fdbf5724f 100644
--- a/drivers/usb/host/ehci-exynos.c
+++ b/drivers/usb/host/ehci-exynos.c
@@ -85,15 +85,10 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos)
}
#endif
-/* Setup the EHCI host controller. */
-static void setup_usb_phy(struct exynos_usb_phy *usb)
+static void exynos5_setup_usb_phy(struct exynos_usb_phy *usb)
{
u32 hsic_ctrl;
- set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN);
-
- set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN);
-
clrbits_le32(&usb->usbphyctrl0,
HOST_CTRL0_FSEL_MASK |
HOST_CTRL0_COMMONON_N |
@@ -150,8 +145,34 @@ static void setup_usb_phy(struct exynos_usb_phy *usb)
EHCICTRL_ENAINCR16);
}
-/* Reset the EHCI host controller. */
-static void reset_usb_phy(struct exynos_usb_phy *usb)
+static void exynos4412_setup_usb_phy(struct exynos4412_usb_phy *usb)
+{
+ writel(CLK_24MHZ, &usb->usbphyclk);
+
+ clrbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 |
+ PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 |
+ PHYPWR_NORMAL_MASK_PHY0));
+
+ setbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST));
+ udelay(10);
+ clrbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST));
+}
+
+static void setup_usb_phy(struct exynos_usb_phy *usb)
+{
+ set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN);
+
+ set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN);
+
+ if (cpu_is_exynos5())
+ exynos5_setup_usb_phy(usb);
+ else if (cpu_is_exynos4())
+ if (proid_is_exynos4412())
+ exynos4412_setup_usb_phy((struct exynos4412_usb_phy *)
+ usb);
+}
+
+static void exynos5_reset_usb_phy(struct exynos_usb_phy *usb)
{
u32 hsic_ctrl;
@@ -171,6 +192,24 @@ static void reset_usb_phy(struct exynos_usb_phy *usb)
setbits_le32(&usb->hsicphyctrl1, hsic_ctrl);
setbits_le32(&usb->hsicphyctrl2, hsic_ctrl);
+}
+
+static void exynos4412_reset_usb_phy(struct exynos4412_usb_phy *usb)
+{
+ setbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 |
+ PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 |
+ PHYPWR_NORMAL_MASK_PHY0));
+}
+
+/* Reset the EHCI host controller. */
+static void reset_usb_phy(struct exynos_usb_phy *usb)
+{
+ if (cpu_is_exynos5())
+ exynos5_reset_usb_phy(usb);
+ else if (cpu_is_exynos4())
+ if (proid_is_exynos4412())
+ exynos4412_reset_usb_phy((struct exynos4412_usb_phy *)
+ usb);
set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE);
}
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 45062e699b..8f554649e1 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -14,7 +14,7 @@
#include <asm/io.h>
#include <usb/ehci-fsl.h>
#include <hwconfig.h>
-#include <asm/fsl_errata.h>
+#include <fsl_usb.h>
#include "ehci.h"
@@ -130,8 +130,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
in_le32(&ehci->usbmode);
- if (SVR_SOC_VER(get_svr()) == SVR_T4240 &&
- IS_SVR_REV(get_svr(), 2, 0))
+ if (has_erratum_a007798())
set_txfifothresh(ehci, TXFIFOTHRESH);
return 0;
diff --git a/drivers/usb/host/ehci-uniphier.c b/drivers/usb/host/ehci-uniphier.c
index 77f6c9d9d1..32a4375279 100644
--- a/drivers/usb/host/ehci-uniphier.c
+++ b/drivers/usb/host/ehci-uniphier.c
@@ -6,10 +6,43 @@
*/
#include <common.h>
+#include <linux/err.h>
#include <usb.h>
#include <asm/arch/ehci-uniphier.h>
#include "ehci.h"
+#ifdef CONFIG_OF_CONTROL
+#include <fdtdec.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+#define FDT gd->fdt_blob
+#define COMPAT "panasonic,uniphier-ehci"
+
+static int get_uniphier_ehci_base(int index, struct ehci_hccr **base)
+{
+ int offset;
+
+ for (offset = fdt_node_offset_by_compatible(FDT, 0, COMPAT);
+ offset >= 0;
+ offset = fdt_node_offset_by_compatible(FDT, offset, COMPAT)) {
+ if (index == 0) {
+ *base = (struct ehci_hccr *)
+ fdtdec_get_addr(FDT, offset, "reg");
+ return 0;
+ }
+ index--;
+ }
+
+ return -ENODEV; /* not found */
+}
+#else
+static int get_uniphier_ehci_base(int index, struct ehci_hccr **base)
+{
+ *base = (struct ehci_hccr *)uniphier_ehci_platdata[index].base;
+ return 0;
+}
+#endif
+
/*
* Create the appropriate control structures to manage
* a new EHCI host controller.
@@ -17,12 +50,15 @@
int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
struct ehci_hcor **hcor)
{
+ int ret;
struct ehci_hccr *cr;
struct ehci_hcor *or;
uniphier_ehci_reset(index, 0);
- cr = (struct ehci_hccr *)(uniphier_ehci_platdata[index].base);
+ ret = get_uniphier_ehci_base(index, &cr);
+ if (ret < 0)
+ return ret;
or = (void *)cr + HC_LENGTH(ehci_readl(&cr->cr_capbase));
*hccr = cr;
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 000f389b93..00b563f26a 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -39,6 +39,7 @@ obj-$(CONFIG_VIDEO_SANDBOX_SDL) += sandbox_sdl.o
obj-$(CONFIG_VIDEO_SED13806) += sed13806.o
obj-$(CONFIG_VIDEO_SM501) += sm501.o
obj-$(CONFIG_VIDEO_SMI_LYNXEM) += smiLynxEM.o videomodes.o
+obj-$(CONFIG_VIDEO_SUNXI) += sunxi_display.o
obj-$(CONFIG_VIDEO_TEGRA) += tegra.o
obj-$(CONFIG_VIDEO_VCXK) += bus_vcxk.o
obj-$(CONFIG_VIDEO_X86) += x86_fb.o
diff --git a/drivers/video/sunxi_display.c b/drivers/video/sunxi_display.c
new file mode 100644
index 0000000000..d2413971c0
--- /dev/null
+++ b/drivers/video/sunxi_display.c
@@ -0,0 +1,451 @@
+/*
+ * Display driver for Allwinner SoCs.
+ *
+ * (C) Copyright 2013-2014 Luc Verhaegen <libv@skynet.be>
+ * (C) Copyright 2014 Hans de Goede <hdegoede@redhat.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch/display.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <fdtdec.h>
+#include <fdt_support.h>
+#include <linux/fb.h>
+#include <video_fb.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct sunxi_display {
+ GraphicDevice graphic_device;
+ bool enabled;
+} sunxi_display;
+
+static int sunxi_hdmi_hpd_detect(void)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ struct sunxi_hdmi_reg * const hdmi =
+ (struct sunxi_hdmi_reg *)SUNXI_HDMI_BASE;
+
+ /* Set pll3 to 300MHz */
+ clock_set_pll3(300000000);
+
+ /* Set hdmi parent to pll3 */
+ clrsetbits_le32(&ccm->hdmi_clk_cfg, CCM_HDMI_CTRL_PLL_MASK,
+ CCM_HDMI_CTRL_PLL3);
+
+ /* Set ahb gating to pass */
+#ifdef CONFIG_MACH_SUN6I
+ setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_HDMI);
+#endif
+ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_HDMI);
+
+ /* Clock on */
+ setbits_le32(&ccm->hdmi_clk_cfg, CCM_HDMI_CTRL_GATE);
+
+ writel(SUNXI_HDMI_CTRL_ENABLE, &hdmi->ctrl);
+ writel(SUNXI_HDMI_PAD_CTRL0_HDP, &hdmi->pad_ctrl0);
+
+ udelay(1000);
+
+ if (readl(&hdmi->hpd) & SUNXI_HDMI_HPD_DETECT)
+ return 1;
+
+ /* No need to keep these running */
+ clrbits_le32(&hdmi->ctrl, SUNXI_HDMI_CTRL_ENABLE);
+ clrbits_le32(&ccm->hdmi_clk_cfg, CCM_HDMI_CTRL_GATE);
+ clrbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_HDMI);
+#ifdef CONFIG_MACH_SUN6I
+ clrbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_HDMI);
+#endif
+ clock_set_pll3(0);
+
+ return 0;
+}
+
+/*
+ * This is the entity that mixes and matches the different layers and inputs.
+ * Allwinner calls it the back-end, but i like composer better.
+ */
+static void sunxi_composer_init(void)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ struct sunxi_de_be_reg * const de_be =
+ (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE;
+ int i;
+
+#ifdef CONFIG_MACH_SUN6I
+ /* Reset off */
+ setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_DE_BE0);
+#endif
+
+ /* Clocks on */
+ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_DE_BE0);
+ setbits_le32(&ccm->dram_clk_gate, 1 << CCM_DRAM_GATE_OFFSET_DE_BE0);
+ clock_set_de_mod_clock(&ccm->be0_clk_cfg, 300000000);
+
+ /* Engine bug, clear registers after reset */
+ for (i = 0x0800; i < 0x1000; i += 4)
+ writel(0, SUNXI_DE_BE0_BASE + i);
+
+ setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_ENABLE);
+}
+
+static void sunxi_composer_mode_set(struct fb_videomode *mode,
+ unsigned int address)
+{
+ struct sunxi_de_be_reg * const de_be =
+ (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE;
+
+ writel(SUNXI_DE_BE_HEIGHT(mode->yres) | SUNXI_DE_BE_WIDTH(mode->xres),
+ &de_be->disp_size);
+ writel(SUNXI_DE_BE_HEIGHT(mode->yres) | SUNXI_DE_BE_WIDTH(mode->xres),
+ &de_be->layer0_size);
+ writel(SUNXI_DE_BE_LAYER_STRIDE(mode->xres), &de_be->layer0_stride);
+ writel(address << 3, &de_be->layer0_addr_low32b);
+ writel(address >> 29, &de_be->layer0_addr_high4b);
+ writel(SUNXI_DE_BE_LAYER_ATTR1_FMT_XRGB8888, &de_be->layer0_attr1_ctrl);
+
+ setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_LAYER0_ENABLE);
+}
+
+/*
+ * LCDC, what allwinner calls a CRTC, so timing controller and serializer.
+ */
+static void sunxi_lcdc_pll_set(int dotclock, int *clk_div, int *clk_double)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ int value, n, m, diff;
+ int best_n = 0, best_m = 0, best_diff = 0x0FFFFFFF;
+ int best_double = 0;
+
+ /*
+ * Find the lowest divider resulting in a matching clock, if there
+ * is no match, pick the closest lower clock, as monitors tend to
+ * not sync to higher frequencies.
+ */
+ for (m = 15; m > 0; m--) {
+ n = (m * dotclock) / 3000;
+
+ if ((n >= 9) && (n <= 127)) {
+ value = (3000 * n) / m;
+ diff = dotclock - value;
+ if (diff < best_diff) {
+ best_diff = diff;
+ best_m = m;
+ best_n = n;
+ best_double = 0;
+ }
+ }
+
+ /* These are just duplicates */
+ if (!(m & 1))
+ continue;
+
+ n = (m * dotclock) / 6000;
+ if ((n >= 9) && (n <= 127)) {
+ value = (6000 * n) / m;
+ diff = dotclock - value;
+ if (diff < best_diff) {
+ best_diff = diff;
+ best_m = m;
+ best_n = n;
+ best_double = 1;
+ }
+ }
+ }
+
+ debug("dotclock: %dkHz = %dkHz: (%d * 3MHz * %d) / %d\n",
+ dotclock, (best_double + 1) * 3000 * best_n / best_m,
+ best_double + 1, best_n, best_m);
+
+ clock_set_pll3(best_n * 3000000);
+
+ writel(CCM_LCD_CH1_CTRL_GATE |
+ (best_double ? CCM_LCD_CH1_CTRL_PLL3_2X : CCM_LCD_CH1_CTRL_PLL3) |
+ CCM_LCD_CH1_CTRL_M(best_m), &ccm->lcd0_ch1_clk_cfg);
+
+ *clk_div = best_m;
+ *clk_double = best_double;
+}
+
+static void sunxi_lcdc_init(void)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+ struct sunxi_lcdc_reg * const lcdc =
+ (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE;
+
+ /* Reset off */
+#ifdef CONFIG_MACH_SUN6I
+ setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_LCD0);
+#else
+ setbits_le32(&ccm->lcd0_ch0_clk_cfg, CCM_LCD_CH0_CTRL_RST);
+#endif
+
+ /* Clock on */
+ setbits_le32(&ccm->ahb_gate1, 1 << AHB_GATE_OFFSET_LCD0);
+
+ /* Init lcdc */
+ writel(0, &lcdc->ctrl); /* Disable tcon */
+ writel(0, &lcdc->int0); /* Disable all interrupts */
+
+ /* Disable tcon0 dot clock */
+ clrbits_le32(&lcdc->tcon0_dclk, SUNXI_LCDC_TCON0_DCLK_ENABLE);
+
+ /* Set all io lines to tristate */
+ writel(0xffffffff, &lcdc->tcon0_io_tristate);
+ writel(0xffffffff, &lcdc->tcon1_io_tristate);
+}
+
+static void sunxi_lcdc_mode_set(struct fb_videomode *mode,
+ int *clk_div, int *clk_double)
+{
+ struct sunxi_lcdc_reg * const lcdc =
+ (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE;
+ int bp, total;
+
+ /* Use tcon1 */
+ clrsetbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_IO_MAP_MASK,
+ SUNXI_LCDC_CTRL_IO_MAP_TCON1);
+
+ /* Enabled, 0x1e start delay */
+ writel(SUNXI_LCDC_TCON1_CTRL_ENABLE |
+ SUNXI_LCDC_TCON1_CTRL_CLK_DELAY(0x1e), &lcdc->tcon1_ctrl);
+
+ writel(SUNXI_LCDC_X(mode->xres) | SUNXI_LCDC_Y(mode->yres),
+ &lcdc->tcon1_timing_source);
+ writel(SUNXI_LCDC_X(mode->xres) | SUNXI_LCDC_Y(mode->yres),
+ &lcdc->tcon1_timing_scale);
+ writel(SUNXI_LCDC_X(mode->xres) | SUNXI_LCDC_Y(mode->yres),
+ &lcdc->tcon1_timing_out);
+
+ bp = mode->hsync_len + mode->left_margin;
+ total = mode->xres + mode->right_margin + bp;
+ writel(SUNXI_LCDC_TCON1_TIMING_H_TOTAL(total) |
+ SUNXI_LCDC_TCON1_TIMING_H_BP(bp), &lcdc->tcon1_timing_h);
+
+ bp = mode->vsync_len + mode->upper_margin;
+ total = mode->yres + mode->lower_margin + bp;
+ writel(SUNXI_LCDC_TCON1_TIMING_V_TOTAL(total) |
+ SUNXI_LCDC_TCON1_TIMING_V_BP(bp), &lcdc->tcon1_timing_v);
+
+ writel(SUNXI_LCDC_X(mode->hsync_len) | SUNXI_LCDC_Y(mode->vsync_len),
+ &lcdc->tcon1_timing_sync);
+
+ sunxi_lcdc_pll_set(mode->pixclock, clk_div, clk_double);
+}
+
+#ifdef CONFIG_MACH_SUN6I
+static void sunxi_drc_init(void)
+{
+ struct sunxi_ccm_reg * const ccm =
+ (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
+
+ /* On sun6i the drc must be clocked even when in pass-through mode */
+ setbits_le32(&ccm->ahb_reset1_cfg, 1 << AHB_RESET_OFFSET_DRC0);
+ clock_set_de_mod_clock(&ccm->iep_drc0_clk_cfg, 300000000);
+}
+#endif
+
+static void sunxi_hdmi_mode_set(struct fb_videomode *mode,
+ int clk_div, int clk_double)
+{
+ struct sunxi_hdmi_reg * const hdmi =
+ (struct sunxi_hdmi_reg *)SUNXI_HDMI_BASE;
+ int x, y;
+
+ /* Write clear interrupt status bits */
+ writel(SUNXI_HDMI_IRQ_STATUS_BITS, &hdmi->irq);
+
+ /* Init various registers, select pll3 as clock source */
+ writel(SUNXI_HDMI_VIDEO_POL_TX_CLK, &hdmi->video_polarity);
+ writel(SUNXI_HDMI_PAD_CTRL0_RUN, &hdmi->pad_ctrl0);
+ writel(SUNXI_HDMI_PAD_CTRL1, &hdmi->pad_ctrl1);
+ writel(SUNXI_HDMI_PLL_CTRL, &hdmi->pll_ctrl);
+ writel(SUNXI_HDMI_PLL_DBG0_PLL3, &hdmi->pll_dbg0);
+
+ /* Setup clk div and doubler */
+ clrsetbits_le32(&hdmi->pll_ctrl, SUNXI_HDMI_PLL_CTRL_DIV_MASK,
+ SUNXI_HDMI_PLL_CTRL_DIV(clk_div));
+ if (!clk_double)
+ setbits_le32(&hdmi->pad_ctrl1, SUNXI_HDMI_PAD_CTRL1_HALVE);
+
+ /* Setup timing registers */
+ writel(SUNXI_HDMI_Y(mode->yres) | SUNXI_HDMI_X(mode->xres),
+ &hdmi->video_size);
+
+ x = mode->hsync_len + mode->left_margin;
+ y = mode->vsync_len + mode->upper_margin;
+ writel(SUNXI_HDMI_Y(y) | SUNXI_HDMI_X(x), &hdmi->video_bp);
+
+ x = mode->right_margin;
+ y = mode->lower_margin;
+ writel(SUNXI_HDMI_Y(y) | SUNXI_HDMI_X(x), &hdmi->video_fp);
+
+ x = mode->hsync_len;
+ y = mode->vsync_len;
+ writel(SUNXI_HDMI_Y(y) | SUNXI_HDMI_X(x), &hdmi->video_spw);
+
+ if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
+ setbits_le32(&hdmi->video_polarity, SUNXI_HDMI_VIDEO_POL_HOR);
+
+ if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
+ setbits_le32(&hdmi->video_polarity, SUNXI_HDMI_VIDEO_POL_VER);
+}
+
+static void sunxi_engines_init(void)
+{
+ sunxi_composer_init();
+ sunxi_lcdc_init();
+#ifdef CONFIG_MACH_SUN6I
+ sunxi_drc_init();
+#endif
+}
+
+static void sunxi_mode_set(struct fb_videomode *mode, unsigned int address)
+{
+ struct sunxi_de_be_reg * const de_be =
+ (struct sunxi_de_be_reg *)SUNXI_DE_BE0_BASE;
+ struct sunxi_lcdc_reg * const lcdc =
+ (struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE;
+ struct sunxi_hdmi_reg * const hdmi =
+ (struct sunxi_hdmi_reg *)SUNXI_HDMI_BASE;
+ int clk_div, clk_double;
+ int retries = 3;
+
+retry:
+ clrbits_le32(&hdmi->video_ctrl, SUNXI_HDMI_VIDEO_CTRL_ENABLE);
+ clrbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_TCON_ENABLE);
+ clrbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_START);
+
+ sunxi_composer_mode_set(mode, address);
+ sunxi_lcdc_mode_set(mode, &clk_div, &clk_double);
+ sunxi_hdmi_mode_set(mode, clk_div, clk_double);
+
+ setbits_le32(&de_be->reg_ctrl, SUNXI_DE_BE_REG_CTRL_LOAD_REGS);
+ setbits_le32(&de_be->mode, SUNXI_DE_BE_MODE_START);
+
+ udelay(1000000 / mode->refresh + 500);
+
+ setbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_TCON_ENABLE);
+
+ udelay(1000000 / mode->refresh + 500);
+
+ setbits_le32(&hdmi->video_ctrl, SUNXI_HDMI_VIDEO_CTRL_ENABLE);
+
+ udelay(1000000 / mode->refresh + 500);
+
+ /*
+ * Sometimes the display pipeline does not sync up properly, if
+ * this happens the hdmi fifo underrun or overrun bits are set.
+ */
+ if (readl(&hdmi->irq) &
+ (SUNXI_HDMI_IRQ_STATUS_FIFO_UF | SUNXI_HDMI_IRQ_STATUS_FIFO_OF)) {
+ if (retries--)
+ goto retry;
+ printf("HDMI fifo under or overrun\n");
+ }
+}
+
+void *video_hw_init(void)
+{
+ static GraphicDevice *graphic_device = &sunxi_display.graphic_device;
+ /*
+ * Vesa standard 1024x768@60
+ * 65.0 1024 1048 1184 1344 768 771 777 806 -hsync -vsync
+ */
+ struct fb_videomode mode = {
+ .name = "1024x768",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 65000,
+ .left_margin = 160,
+ .right_margin = 24,
+ .upper_margin = 29,
+ .lower_margin = 3,
+ .hsync_len = 136,
+ .vsync_len = 6,
+ .sync = 0,
+ .vmode = 0,
+ .flag = 0,
+ };
+ int ret;
+
+ memset(&sunxi_display, 0, sizeof(struct sunxi_display));
+
+ printf("Reserved %dkB of RAM for Framebuffer.\n",
+ CONFIG_SUNXI_FB_SIZE >> 10);
+ gd->fb_base = gd->ram_top;
+
+ ret = sunxi_hdmi_hpd_detect();
+ if (!ret)
+ return NULL;
+
+ printf("HDMI connected.\n");
+ sunxi_display.enabled = true;
+
+ printf("Setting up a %s console.\n", mode.name);
+ sunxi_engines_init();
+ sunxi_mode_set(&mode, gd->fb_base - CONFIG_SYS_SDRAM_BASE);
+
+ /*
+ * These are the only members of this structure that are used. All the
+ * others are driver specific. There is nothing to decribe pitch or
+ * stride, but we are lucky with our hw.
+ */
+ graphic_device->frameAdrs = gd->fb_base;
+ graphic_device->gdfIndex = GDF_32BIT_X888RGB;
+ graphic_device->gdfBytesPP = 4;
+ graphic_device->winSizeX = mode.xres;
+ graphic_device->winSizeY = mode.yres;
+
+ return graphic_device;
+}
+
+/*
+ * Simplefb support.
+ */
+#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_VIDEO_DT_SIMPLEFB)
+int sunxi_simplefb_setup(void *blob)
+{
+ static GraphicDevice *graphic_device = &sunxi_display.graphic_device;
+ int offset, ret;
+
+ if (!sunxi_display.enabled)
+ return 0;
+
+ /* Find a framebuffer node, with pipeline == "de_be0-lcd0-hdmi" */
+ offset = fdt_node_offset_by_compatible(blob, -1,
+ "allwinner,simple-framebuffer");
+ while (offset >= 0) {
+ ret = fdt_find_string(blob, offset, "allwinner,pipeline",
+ "de_be0-lcd0-hdmi");
+ if (ret == 0)
+ break;
+ offset = fdt_node_offset_by_compatible(blob, offset,
+ "allwinner,simple-framebuffer");
+ }
+ if (offset < 0) {
+ eprintf("Cannot setup simplefb: node not found\n");
+ return 0; /* Keep older kernels working */
+ }
+
+ ret = fdt_setup_simplefb_node(blob, offset, gd->fb_base,
+ graphic_device->winSizeX, graphic_device->winSizeY,
+ graphic_device->winSizeX * graphic_device->gdfBytesPP,
+ "x8r8g8b8");
+ if (ret)
+ eprintf("Cannot setup simplefb: Error setting properties\n");
+
+ return ret;
+}
+#endif /* CONFIG_OF_BOARD_SETUP && CONFIG_VIDEO_DT_SIMPLEFB */
generated by cgit (git 2.34.1) at 2025-02-24 12:08:50 +0000