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-rw-r--r--drivers/gpio/at91_gpio.c11
-rw-r--r--drivers/mtd/nand/atmel_nand.c5
-rw-r--r--drivers/net/macb.c320
-rw-r--r--drivers/serial/atmel_usart.c19
-rw-r--r--drivers/video/atmel_lcdfb.c197
5 files changed, 435 insertions, 117 deletions
diff --git a/drivers/gpio/at91_gpio.c b/drivers/gpio/at91_gpio.c
index 75a32ee815..8e52e3dad0 100644
--- a/drivers/gpio/at91_gpio.c
+++ b/drivers/gpio/at91_gpio.c
@@ -59,6 +59,11 @@ int at91_set_pio_pullup(unsigned port, unsigned pin, int use_pullup)
{
struct at91_port *at91_port = at91_pio_get_port(port);
+#if defined(CPU_HAS_PIO3)
+ if (use_pullup)
+ at91_set_pio_pulldown(port, pin, 0);
+#endif
+
if (at91_port && (pin < GPIO_PER_BANK))
at91_set_port_pullup(at91_port, pin, use_pullup);
@@ -305,10 +310,10 @@ int at91_set_pio_pulldown(unsigned port, unsigned pin, int is_on)
if (at91_port && (pin < GPIO_PER_BANK)) {
mask = 1 << pin;
- writel(mask, &at91_port->pudr);
- if (is_on)
+ if (is_on) {
+ at91_set_pio_pullup(port, pin, 0);
writel(mask, &at91_port->ppder);
- else
+ } else
writel(mask, &at91_port->ppddr);
}
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 75e830724c..ad5ded3a56 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -24,9 +24,9 @@
/* Register access macros */
#define ecc_readl(add, reg) \
- readl(AT91_BASE_SYS + add + ATMEL_ECC_##reg)
+ readl(add + ATMEL_ECC_##reg)
#define ecc_writel(add, reg, value) \
- writel((value), AT91_BASE_SYS + add + ATMEL_ECC_##reg)
+ writel((value), add + ATMEL_ECC_##reg)
#include "atmel_nand_ecc.h" /* Hardware ECC registers */
@@ -1156,6 +1156,7 @@ int atmel_hwecc_nand_init_param(struct nand_chip *nand, struct mtd_info *mtd)
nand->ecc.hwctl = atmel_nand_hwctl;
nand->ecc.read_page = atmel_nand_read_page;
nand->ecc.bytes = 4;
+ nand->ecc.strength = 4;
if (nand->ecc.mode == NAND_ECC_HW) {
/* ECC is calculated for the whole page (1 step) */
diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index 4bf8fa45d7..0835fdc306 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -4,6 +4,7 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <dm.h>
/*
* The u-boot networking stack is a little weird. It seems like the
@@ -28,7 +29,9 @@
*/
#include <net.h>
+#ifndef CONFIG_DM_ETH
#include <netdev.h>
+#endif
#include <malloc.h>
#include <miiphy.h>
@@ -84,6 +87,8 @@ struct macb_device {
unsigned int rx_tail;
unsigned int tx_head;
unsigned int tx_tail;
+ unsigned int next_rx_tail;
+ bool wrapped;
void *rx_buffer;
void *tx_buffer;
@@ -98,11 +103,15 @@ struct macb_device {
unsigned long dummy_desc_dma;
const struct device *dev;
+#ifndef CONFIG_DM_ETH
struct eth_device netdev;
+#endif
unsigned short phy_addr;
struct mii_dev *bus;
};
+#ifndef CONFIG_DM_ETH
#define to_macb(_nd) container_of(_nd, struct macb_device, netdev)
+#endif
static int macb_is_gem(struct macb_device *macb)
{
@@ -192,8 +201,13 @@ void __weak arch_get_mdio_control(const char *name)
int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
{
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev = eth_get_dev_by_name(devname);
+ struct macb_device *macb = dev_get_priv(dev);
+#else
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
+#endif
if (macb->phy_addr != phy_adr)
return -1;
@@ -206,8 +220,13 @@ int macb_miiphy_read(const char *devname, u8 phy_adr, u8 reg, u16 *value)
int macb_miiphy_write(const char *devname, u8 phy_adr, u8 reg, u16 value)
{
+#ifdef CONFIG_DM_ETH
+ struct udevice *dev = eth_get_dev_by_name(devname);
+ struct macb_device *macb = dev_get_priv(dev);
+#else
struct eth_device *dev = eth_get_dev_by_name(devname);
struct macb_device *macb = to_macb(dev);
+#endif
if (macb->phy_addr != phy_adr)
return -1;
@@ -255,9 +274,9 @@ static inline void macb_invalidate_rx_buffer(struct macb_device *macb)
#if defined(CONFIG_CMD_NET)
-static int macb_send(struct eth_device *netdev, void *packet, int length)
+static int _macb_send(struct macb_device *macb, const char *name, void *packet,
+ int length)
{
- struct macb_device *macb = to_macb(netdev);
unsigned long paddr, ctrl;
unsigned int tx_head = macb->tx_head;
int i;
@@ -278,7 +297,7 @@ static int macb_send(struct eth_device *netdev, void *packet, int length)
barrier();
macb_flush_ring_desc(macb, TX);
/* Do we need check paddr and length is dcache line aligned? */
- flush_dcache_range(paddr, paddr + length);
+ flush_dcache_range(paddr, paddr + ALIGN(length, ARCH_DMA_MINALIGN));
macb_writel(macb, NCR, MACB_BIT(TE) | MACB_BIT(RE) | MACB_BIT(TSTART));
/*
@@ -298,12 +317,11 @@ static int macb_send(struct eth_device *netdev, void *packet, int length)
if (i <= MACB_TX_TIMEOUT) {
if (ctrl & TXBUF_UNDERRUN)
- printf("%s: TX underrun\n", netdev->name);
+ printf("%s: TX underrun\n", name);
if (ctrl & TXBUF_EXHAUSTED)
- printf("%s: TX buffers exhausted in mid frame\n",
- netdev->name);
+ printf("%s: TX buffers exhausted in mid frame\n", name);
} else {
- printf("%s: TX timeout\n", netdev->name);
+ printf("%s: TX timeout\n", name);
}
/* No one cares anyway */
@@ -335,26 +353,25 @@ static void reclaim_rx_buffers(struct macb_device *macb,
macb->rx_tail = new_tail;
}
-static int macb_recv(struct eth_device *netdev)
+static int _macb_recv(struct macb_device *macb, uchar **packetp)
{
- struct macb_device *macb = to_macb(netdev);
- unsigned int rx_tail = macb->rx_tail;
+ unsigned int next_rx_tail = macb->next_rx_tail;
void *buffer;
int length;
- int wrapped = 0;
u32 status;
+ macb->wrapped = false;
for (;;) {
macb_invalidate_ring_desc(macb, RX);
- if (!(macb->rx_ring[rx_tail].addr & RXADDR_USED))
- return -1;
+ if (!(macb->rx_ring[next_rx_tail].addr & RXADDR_USED))
+ return -EAGAIN;
- status = macb->rx_ring[rx_tail].ctrl;
+ status = macb->rx_ring[next_rx_tail].ctrl;
if (status & RXBUF_FRAME_START) {
- if (rx_tail != macb->rx_tail)
- reclaim_rx_buffers(macb, rx_tail);
- wrapped = 0;
+ if (next_rx_tail != macb->rx_tail)
+ reclaim_rx_buffers(macb, next_rx_tail);
+ macb->wrapped = false;
}
if (status & RXBUF_FRAME_END) {
@@ -362,7 +379,7 @@ static int macb_recv(struct eth_device *netdev)
length = status & RXBUF_FRMLEN_MASK;
macb_invalidate_rx_buffer(macb);
- if (wrapped) {
+ if (macb->wrapped) {
unsigned int headlen, taillen;
headlen = 128 * (MACB_RX_RING_SIZE
@@ -372,34 +389,33 @@ static int macb_recv(struct eth_device *netdev)
buffer, headlen);
memcpy((void *)net_rx_packets[0] + headlen,
macb->rx_buffer, taillen);
- buffer = (void *)net_rx_packets[0];
+ *packetp = (void *)net_rx_packets[0];
+ } else {
+ *packetp = buffer;
}
- net_process_received_packet(buffer, length);
- if (++rx_tail >= MACB_RX_RING_SIZE)
- rx_tail = 0;
- reclaim_rx_buffers(macb, rx_tail);
+ if (++next_rx_tail >= MACB_RX_RING_SIZE)
+ next_rx_tail = 0;
+ macb->next_rx_tail = next_rx_tail;
+ return length;
} else {
- if (++rx_tail >= MACB_RX_RING_SIZE) {
- wrapped = 1;
- rx_tail = 0;
+ if (++next_rx_tail >= MACB_RX_RING_SIZE) {
+ macb->wrapped = true;
+ next_rx_tail = 0;
}
}
barrier();
}
-
- return 0;
}
-static void macb_phy_reset(struct macb_device *macb)
+static void macb_phy_reset(struct macb_device *macb, const char *name)
{
- struct eth_device *netdev = &macb->netdev;
int i;
u16 status, adv;
adv = ADVERTISE_CSMA | ADVERTISE_ALL;
macb_mdio_write(macb, MII_ADVERTISE, adv);
- printf("%s: Starting autonegotiation...\n", netdev->name);
+ printf("%s: Starting autonegotiation...\n", name);
macb_mdio_write(macb, MII_BMCR, (BMCR_ANENABLE
| BMCR_ANRESTART));
@@ -411,10 +427,10 @@ static void macb_phy_reset(struct macb_device *macb)
}
if (status & BMSR_ANEGCOMPLETE)
- printf("%s: Autonegotiation complete\n", netdev->name);
+ printf("%s: Autonegotiation complete\n", name);
else
printf("%s: Autonegotiation timed out (status=0x%04x)\n",
- netdev->name, status);
+ name, status);
}
#ifdef CONFIG_MACB_SEARCH_PHY
@@ -441,9 +457,8 @@ static int macb_phy_find(struct macb_device *macb)
#endif /* CONFIG_MACB_SEARCH_PHY */
-static int macb_phy_init(struct macb_device *macb)
+static int macb_phy_init(struct macb_device *macb, const char *name)
{
- struct eth_device *netdev = &macb->netdev;
#ifdef CONFIG_PHYLIB
struct phy_device *phydev;
#endif
@@ -452,7 +467,7 @@ static int macb_phy_init(struct macb_device *macb)
int media, speed, duplex;
int i;
- arch_get_mdio_control(netdev->name);
+ arch_get_mdio_control(name);
#ifdef CONFIG_MACB_SEARCH_PHY
/* Auto-detect phy_addr */
if (!macb_phy_find(macb))
@@ -462,13 +477,13 @@ static int macb_phy_init(struct macb_device *macb)
/* Check if the PHY is up to snuff... */
phy_id = macb_mdio_read(macb, MII_PHYSID1);
if (phy_id == 0xffff) {
- printf("%s: No PHY present\n", netdev->name);
+ printf("%s: No PHY present\n", name);
return 0;
}
#ifdef CONFIG_PHYLIB
/* need to consider other phy interface mode */
- phydev = phy_connect(macb->bus, macb->phy_addr, netdev,
+ phydev = phy_connect(macb->bus, macb->phy_addr, &macb->netdev,
PHY_INTERFACE_MODE_RGMII);
if (!phydev) {
printf("phy_connect failed\n");
@@ -481,7 +496,7 @@ static int macb_phy_init(struct macb_device *macb)
status = macb_mdio_read(macb, MII_BMSR);
if (!(status & BMSR_LSTATUS)) {
/* Try to re-negotiate if we don't have link already. */
- macb_phy_reset(macb);
+ macb_phy_reset(macb, name);
for (i = 0; i < MACB_AUTONEG_TIMEOUT / 100; i++) {
status = macb_mdio_read(macb, MII_BMSR);
@@ -493,7 +508,7 @@ static int macb_phy_init(struct macb_device *macb)
if (!(status & BMSR_LSTATUS)) {
printf("%s: link down (status: 0x%04x)\n",
- netdev->name, status);
+ name, status);
return 0;
}
@@ -505,7 +520,7 @@ static int macb_phy_init(struct macb_device *macb)
duplex = ((lpa & LPA_1000FULL) ? 1 : 0);
printf("%s: link up, 1000Mbps %s-duplex (lpa: 0x%04x)\n",
- netdev->name,
+ name,
duplex ? "full" : "half",
lpa);
@@ -530,7 +545,7 @@ static int macb_phy_init(struct macb_device *macb)
? 1 : 0);
duplex = (media & ADVERTISE_FULL) ? 1 : 0;
printf("%s: link up, %sMbps %s-duplex (lpa: 0x%04x)\n",
- netdev->name,
+ name,
speed ? "100" : "10",
duplex ? "full" : "half",
lpa);
@@ -570,9 +585,8 @@ static int gmac_init_multi_queues(struct macb_device *macb)
return 0;
}
-static int macb_init(struct eth_device *netdev, bd_t *bd)
+static int _macb_init(struct macb_device *macb, const char *name)
{
- struct macb_device *macb = to_macb(netdev);
unsigned long paddr;
int i;
@@ -605,6 +619,7 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
macb->rx_tail = 0;
macb->tx_head = 0;
macb->tx_tail = 0;
+ macb->next_rx_tail = 0;
macb_writel(macb, RBQP, macb->rx_ring_dma);
macb_writel(macb, TBQP, macb->tx_ring_dma);
@@ -641,7 +656,7 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
#endif /* CONFIG_RMII */
}
- if (!macb_phy_init(macb))
+ if (!macb_phy_init(macb, name))
return -1;
/* Enable TX and RX */
@@ -650,9 +665,8 @@ static int macb_init(struct eth_device *netdev, bd_t *bd)
return 0;
}
-static void macb_halt(struct eth_device *netdev)
+static void _macb_halt(struct macb_device *macb)
{
- struct macb_device *macb = to_macb(netdev);
u32 ncr, tsr;
/* Halt the controller and wait for any ongoing transmission to end. */
@@ -668,17 +682,16 @@ static void macb_halt(struct eth_device *netdev)
macb_writel(macb, NCR, MACB_BIT(CLRSTAT));
}
-static int macb_write_hwaddr(struct eth_device *dev)
+static int _macb_write_hwaddr(struct macb_device *macb, unsigned char *enetaddr)
{
- struct macb_device *macb = to_macb(dev);
u32 hwaddr_bottom;
u16 hwaddr_top;
/* set hardware address */
- hwaddr_bottom = dev->enetaddr[0] | dev->enetaddr[1] << 8 |
- dev->enetaddr[2] << 16 | dev->enetaddr[3] << 24;
+ hwaddr_bottom = enetaddr[0] | enetaddr[1] << 8 |
+ enetaddr[2] << 16 | enetaddr[3] << 24;
macb_writel(macb, SA1B, hwaddr_bottom);
- hwaddr_top = dev->enetaddr[4] | dev->enetaddr[5] << 8;
+ hwaddr_top = enetaddr[4] | enetaddr[5] << 8;
macb_writel(macb, SA1T, hwaddr_top);
return 0;
}
@@ -739,11 +752,87 @@ static u32 macb_dbw(struct macb_device *macb)
}
}
+static void _macb_eth_initialize(struct macb_device *macb)
+{
+ int id = 0; /* This is not used by functions we call */
+ u32 ncfgr;
+
+ /* TODO: we need check the rx/tx_ring_dma is dcache line aligned */
+ macb->rx_buffer = dma_alloc_coherent(MACB_RX_BUFFER_SIZE,
+ &macb->rx_buffer_dma);
+ macb->rx_ring = dma_alloc_coherent(MACB_RX_DMA_DESC_SIZE,
+ &macb->rx_ring_dma);
+ macb->tx_ring = dma_alloc_coherent(MACB_TX_DMA_DESC_SIZE,
+ &macb->tx_ring_dma);
+ macb->dummy_desc = dma_alloc_coherent(MACB_TX_DUMMY_DMA_DESC_SIZE,
+ &macb->dummy_desc_dma);
+
+ /*
+ * Do some basic initialization so that we at least can talk
+ * to the PHY
+ */
+ if (macb_is_gem(macb)) {
+ ncfgr = gem_mdc_clk_div(id, macb);
+ ncfgr |= macb_dbw(macb);
+ } else {
+ ncfgr = macb_mdc_clk_div(id, macb);
+ }
+
+ macb_writel(macb, NCFGR, ncfgr);
+}
+
+#ifndef CONFIG_DM_ETH
+static int macb_send(struct eth_device *netdev, void *packet, int length)
+{
+ struct macb_device *macb = to_macb(netdev);
+
+ return _macb_send(macb, netdev->name, packet, length);
+}
+
+static int macb_recv(struct eth_device *netdev)
+{
+ struct macb_device *macb = to_macb(netdev);
+ uchar *packet;
+ int length;
+
+ macb->wrapped = false;
+ for (;;) {
+ macb->next_rx_tail = macb->rx_tail;
+ length = _macb_recv(macb, &packet);
+ if (length >= 0) {
+ net_process_received_packet(packet, length);
+ reclaim_rx_buffers(macb, macb->next_rx_tail);
+ } else if (length < 0) {
+ return length;
+ }
+ }
+}
+
+static int macb_init(struct eth_device *netdev, bd_t *bd)
+{
+ struct macb_device *macb = to_macb(netdev);
+
+ return _macb_init(macb, netdev->name);
+}
+
+static void macb_halt(struct eth_device *netdev)
+{
+ struct macb_device *macb = to_macb(netdev);
+
+ return _macb_halt(macb);
+}
+
+static int macb_write_hwaddr(struct eth_device *netdev)
+{
+ struct macb_device *macb = to_macb(netdev);
+
+ return _macb_write_hwaddr(macb, netdev->enetaddr);
+}
+
int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
{
struct macb_device *macb;
struct eth_device *netdev;
- u32 ncfgr;
macb = malloc(sizeof(struct macb_device));
if (!macb) {
@@ -754,17 +843,6 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
netdev = &macb->netdev;
- macb->rx_buffer = dma_alloc_coherent(MACB_RX_BUFFER_SIZE,
- &macb->rx_buffer_dma);
- macb->rx_ring = dma_alloc_coherent(MACB_RX_DMA_DESC_SIZE,
- &macb->rx_ring_dma);
- macb->tx_ring = dma_alloc_coherent(MACB_TX_DMA_DESC_SIZE,
- &macb->tx_ring_dma);
- macb->dummy_desc = dma_alloc_coherent(MACB_TX_DUMMY_DMA_DESC_SIZE,
- &macb->dummy_desc_dma);
-
- /* TODO: we need check the rx/tx_ring_dma is dcache line aligned */
-
macb->regs = regs;
macb->phy_addr = phy_addr;
@@ -779,18 +857,7 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
netdev->recv = macb_recv;
netdev->write_hwaddr = macb_write_hwaddr;
- /*
- * Do some basic initialization so that we at least can talk
- * to the PHY
- */
- if (macb_is_gem(macb)) {
- ncfgr = gem_mdc_clk_div(id, macb);
- ncfgr |= macb_dbw(macb);
- } else {
- ncfgr = macb_mdc_clk_div(id, macb);
- }
-
- macb_writel(macb, NCFGR, ncfgr);
+ _macb_eth_initialize(macb);
eth_register(netdev);
@@ -800,5 +867,106 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr)
#endif
return 0;
}
+#endif /* !CONFIG_DM_ETH */
+
+#ifdef CONFIG_DM_ETH
+
+static int macb_start(struct udevice *dev)
+{
+ struct macb_device *macb = dev_get_priv(dev);
+
+ return _macb_init(macb, dev->name);
+}
+
+static int macb_send(struct udevice *dev, void *packet, int length)
+{
+ struct macb_device *macb = dev_get_priv(dev);
+
+ return _macb_send(macb, dev->name, packet, length);
+}
+
+static int macb_recv(struct udevice *dev, int flags, uchar **packetp)
+{
+ struct macb_device *macb = dev_get_priv(dev);
+
+ macb->next_rx_tail = macb->rx_tail;
+ macb->wrapped = false;
+
+ return _macb_recv(macb, packetp);
+}
+
+static int macb_free_pkt(struct udevice *dev, uchar *packet, int length)
+{
+ struct macb_device *macb = dev_get_priv(dev);
+
+ reclaim_rx_buffers(macb, macb->next_rx_tail);
+
+ return 0;
+}
+
+static void macb_stop(struct udevice *dev)
+{
+ struct macb_device *macb = dev_get_priv(dev);
+
+ _macb_halt(macb);
+}
+
+static int macb_write_hwaddr(struct udevice *dev)
+{
+ struct eth_pdata *plat = dev_get_platdata(dev);
+ struct macb_device *macb = dev_get_priv(dev);
+
+ return _macb_write_hwaddr(macb, plat->enetaddr);
+}
+
+static const struct eth_ops macb_eth_ops = {
+ .start = macb_start,
+ .send = macb_send,
+ .recv = macb_recv,
+ .stop = macb_stop,
+ .free_pkt = macb_free_pkt,
+ .write_hwaddr = macb_write_hwaddr,
+};
+
+static int macb_eth_probe(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+ struct macb_device *macb = dev_get_priv(dev);
+
+ macb->regs = (void *)pdata->iobase;
+
+ _macb_eth_initialize(macb);
+#if defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB)
+ miiphy_register(dev->name, macb_miiphy_read, macb_miiphy_write);
+ macb->bus = miiphy_get_dev_by_name(dev->name);
+#endif
+
+ return 0;
+}
+
+static int macb_eth_ofdata_to_platdata(struct udevice *dev)
+{
+ struct eth_pdata *pdata = dev_get_platdata(dev);
+
+ pdata->iobase = dev_get_addr(dev);
+ return 0;
+}
+
+static const struct udevice_id macb_eth_ids[] = {
+ { .compatible = "cdns,macb" },
+ { }
+};
+
+U_BOOT_DRIVER(eth_macb) = {
+ .name = "eth_macb",
+ .id = UCLASS_ETH,
+ .of_match = macb_eth_ids,
+ .ofdata_to_platdata = macb_eth_ofdata_to_platdata,
+ .probe = macb_eth_probe,
+ .ops = &macb_eth_ops,
+ .priv_auto_alloc_size = sizeof(struct macb_device),
+ .platdata_auto_alloc_size = sizeof(struct eth_pdata),
+};
+#endif
#endif
diff --git a/drivers/serial/atmel_usart.c b/drivers/serial/atmel_usart.c
index 4fe992bf2b..e450135c75 100644
--- a/drivers/serial/atmel_usart.c
+++ b/drivers/serial/atmel_usart.c
@@ -191,16 +191,35 @@ static int atmel_serial_probe(struct udevice *dev)
{
struct atmel_serial_platdata *plat = dev->platdata;
struct atmel_serial_priv *priv = dev_get_priv(dev);
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ fdt_addr_t addr_base;
+ addr_base = dev_get_addr(dev);
+ if (addr_base == FDT_ADDR_T_NONE)
+ return -ENODEV;
+
+ plat->base_addr = (uint32_t)addr_base;
+#endif
priv->usart = (atmel_usart3_t *)plat->base_addr;
atmel_serial_init_internal(priv->usart);
return 0;
}
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+static const struct udevice_id atmel_serial_ids[] = {
+ { .compatible = "atmel,at91sam9260-usart" },
+ { }
+};
+#endif
+
U_BOOT_DRIVER(serial_atmel) = {
.name = "serial_atmel",
.id = UCLASS_SERIAL,
+#if CONFIG_IS_ENABLED(OF_CONTROL)
+ .of_match = atmel_serial_ids,
+ .platdata_auto_alloc_size = sizeof(struct atmel_serial_platdata),
+#endif
.probe = atmel_serial_probe,
.ops = &atmel_serial_ops,
.flags = DM_FLAG_PRE_RELOC,
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index d43d8a59d3..39cd7caff1 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -7,6 +7,10 @@
*/
#include <common.h>
+#include <atmel_lcd.h>
+#include <dm.h>
+#include <fdtdec.h>
+#include <video.h>
#include <asm/io.h>
#include <asm/arch/gpio.h>
#include <asm/arch/clk.h>
@@ -14,6 +18,21 @@
#include <bmp_layout.h>
#include <atmel_lcdc.h>
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_DM_VIDEO
+enum {
+ /* Maximum LCD size we support */
+ LCD_MAX_WIDTH = 1366,
+ LCD_MAX_HEIGHT = 768,
+ LCD_MAX_LOG2_BPP = VIDEO_BPP16,
+};
+#endif
+
+struct atmel_fb_priv {
+ struct display_timing timing;
+};
+
/* configurable parameters */
#define ATMEL_LCDC_CVAL_DEFAULT 0xc8
#define ATMEL_LCDC_DMA_BURST_LEN 8
@@ -30,6 +49,7 @@
#define lcdc_readl(mmio, reg) __raw_readl((mmio)+(reg))
#define lcdc_writel(mmio, reg, val) __raw_writel((val), (mmio)+(reg))
+#ifndef CONFIG_DM_VIDEO
ushort *configuration_get_cmap(void)
{
return (ushort *)(panel_info.mmio + ATMEL_LCDC_LUT(0));
@@ -90,40 +110,43 @@ void lcd_set_cmap(struct bmp_image *bmp, unsigned colors)
lcd_setcolreg(i, cte.red, cte.green, cte.blue);
}
}
+#endif
-void lcd_ctrl_init(void *lcdbase)
+static void atmel_fb_init(ulong addr, struct display_timing *timing, int bpix,
+ bool tft, bool cont_pol_low, ulong lcdbase)
{
unsigned long value;
+ void *reg = (void *)addr;
/* Turn off the LCD controller and the DMA controller */
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON,
+ lcdc_writel(reg, ATMEL_LCDC_PWRCON,
ATMEL_LCDC_GUARD_TIME << ATMEL_LCDC_GUARDT_OFFSET);
/* Wait for the LCDC core to become idle */
- while (lcdc_readl(panel_info.mmio, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
+ while (lcdc_readl(reg, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
udelay(10);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, 0);
+ lcdc_writel(reg, ATMEL_LCDC_DMACON, 0);
/* Reset LCDC DMA */
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMARST);
+ lcdc_writel(reg, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMARST);
/* ...set frame size and burst length = 8 words (?) */
- value = (panel_info.vl_col * panel_info.vl_row *
- NBITS(panel_info.vl_bpix)) / 32;
+ value = (timing->hactive.typ * timing->vactive.typ *
+ (1 << bpix)) / 32;
value |= ((ATMEL_LCDC_DMA_BURST_LEN - 1) << ATMEL_LCDC_BLENGTH_OFFSET);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMAFRMCFG, value);
+ lcdc_writel(reg, ATMEL_LCDC_DMAFRMCFG, value);
/* Set pixel clock */
- value = get_lcdc_clk_rate(0) / panel_info.vl_clk;
- if (get_lcdc_clk_rate(0) % panel_info.vl_clk)
+ value = get_lcdc_clk_rate(0) / timing->pixelclock.typ;
+ if (get_lcdc_clk_rate(0) % timing->pixelclock.typ)
value++;
value = (value / 2) - 1;
if (!value) {
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
+ lcdc_writel(reg, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
} else
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON1,
+ lcdc_writel(reg, ATMEL_LCDC_LCDCON1,
value << ATMEL_LCDC_CLKVAL_OFFSET);
/* Initialize control register 2 */
@@ -132,58 +155,160 @@ void lcd_ctrl_init(void *lcdbase)
#else
value = ATMEL_LCDC_MEMOR_LITTLE | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE;
#endif
- if (panel_info.vl_tft)
+ if (tft)
value |= ATMEL_LCDC_DISTYPE_TFT;
- value |= panel_info.vl_sync;
- value |= (panel_info.vl_bpix << 5);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDCON2, value);
+ if (!(timing->flags & DISPLAY_FLAGS_HSYNC_HIGH))
+ value |= ATMEL_LCDC_INVLINE_INVERTED;
+ if (!(timing->flags & DISPLAY_FLAGS_VSYNC_HIGH))
+ value |= ATMEL_LCDC_INVFRAME_INVERTED;
+ value |= bpix << 5;
+ lcdc_writel(reg, ATMEL_LCDC_LCDCON2, value);
/* Vertical timing */
- value = (panel_info.vl_vsync_len - 1) << ATMEL_LCDC_VPW_OFFSET;
- value |= panel_info.vl_upper_margin << ATMEL_LCDC_VBP_OFFSET;
- value |= panel_info.vl_lower_margin;
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM1, value);
+ value = (timing->vsync_len.typ - 1) << ATMEL_LCDC_VPW_OFFSET;
+ value |= timing->vback_porch.typ << ATMEL_LCDC_VBP_OFFSET;
+ value |= timing->vfront_porch.typ;
+ /* Magic! (Datasheet says "Bit 31 must be written to 1") */
+ value |= 1U << 31;
+ lcdc_writel(reg, ATMEL_LCDC_TIM1, value);
/* Horizontal timing */
- value = (panel_info.vl_right_margin - 1) << ATMEL_LCDC_HFP_OFFSET;
- value |= (panel_info.vl_hsync_len - 1) << ATMEL_LCDC_HPW_OFFSET;
- value |= (panel_info.vl_left_margin - 1);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_TIM2, value);
+ value = (timing->hfront_porch.typ - 1) << ATMEL_LCDC_HFP_OFFSET;
+ value |= (timing->hsync_len.typ - 1) << ATMEL_LCDC_HPW_OFFSET;
+ value |= (timing->hback_porch.typ - 1);
+ lcdc_writel(reg, ATMEL_LCDC_TIM2, value);
/* Display size */
- value = (panel_info.vl_col - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
- value |= panel_info.vl_row - 1;
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_LCDFRMCFG, value);
+ value = (timing->hactive.typ - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
+ value |= timing->vactive.typ - 1;
+ lcdc_writel(reg, ATMEL_LCDC_LCDFRMCFG, value);
/* FIFO Threshold: Use formula from data sheet */
value = ATMEL_LCDC_FIFO_SIZE - (2 * ATMEL_LCDC_DMA_BURST_LEN + 3);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_FIFO, value);
+ lcdc_writel(reg, ATMEL_LCDC_FIFO, value);
/* Toggle LCD_MODE every frame */
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_MVAL, 0);
+ lcdc_writel(reg, ATMEL_LCDC_MVAL, 0);
/* Disable all interrupts */
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_IDR, ~0UL);
+ lcdc_writel(reg, ATMEL_LCDC_IDR, ~0UL);
/* Set contrast */
value = ATMEL_LCDC_PS_DIV8 |
ATMEL_LCDC_ENA_PWMENABLE;
- if (!panel_info.vl_cont_pol_low)
+ if (!cont_pol_low)
value |= ATMEL_LCDC_POL_POSITIVE;
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_CTR, value);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT);
+ lcdc_writel(reg, ATMEL_LCDC_CONTRAST_CTR, value);
+ lcdc_writel(reg, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT);
/* Set framebuffer DMA base address and pixel offset */
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMABADDR1, (u_long)lcdbase);
+ lcdc_writel(reg, ATMEL_LCDC_DMABADDR1, lcdbase);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMAEN);
- lcdc_writel(panel_info.mmio, ATMEL_LCDC_PWRCON,
+ lcdc_writel(reg, ATMEL_LCDC_DMACON, ATMEL_LCDC_DMAEN);
+ lcdc_writel(reg, ATMEL_LCDC_PWRCON,
(ATMEL_LCDC_GUARD_TIME << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
}
+#ifndef CONFIG_DM_VIDEO
+void lcd_ctrl_init(void *lcdbase)
+{
+ struct display_timing timing;
+
+ timing.flags = 0;
+ if (!(panel_info.vl_sync & ATMEL_LCDC_INVLINE_INVERTED))
+ timing.flags |= DISPLAY_FLAGS_HSYNC_HIGH;
+ if (!(panel_info.vl_sync & ATMEL_LCDC_INVFRAME_INVERTED))
+ timing.flags |= DISPLAY_FLAGS_VSYNC_LOW;
+ timing.pixelclock.typ = panel_info.vl_clk;
+
+ timing.hactive.typ = panel_info.vl_col;
+ timing.hfront_porch.typ = panel_info.vl_right_margin;
+ timing.hback_porch.typ = panel_info.vl_left_margin;
+ timing.hsync_len.typ = panel_info.vl_hsync_len;
+
+ timing.vactive.typ = panel_info.vl_row;
+ timing.vfront_porch.typ = panel_info.vl_clk;
+ timing.vback_porch.typ = panel_info.vl_clk;
+ timing.vsync_len.typ = panel_info.vl_clk;
+
+ atmel_fb_init(panel_info.mmio, &timing, panel_info.vl_bpix,
+ panel_info.vl_tft, panel_info.vl_cont_pol_low,
+ (ulong)lcdbase);
+}
+
ulong calc_fbsize(void)
{
return ((panel_info.vl_col * panel_info.vl_row *
NBITS(panel_info.vl_bpix)) / 8) + PAGE_SIZE;
}
+#endif
+
+#ifdef CONFIG_DM_VIDEO
+static int atmel_fb_lcd_probe(struct udevice *dev)
+{
+ struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
+ struct video_priv *uc_priv = dev_get_uclass_priv(dev);
+ struct atmel_fb_priv *priv = dev_get_priv(dev);
+ struct display_timing *timing = &priv->timing;
+
+ /*
+ * For now some values are hard-coded. We could use the device tree
+ * bindings in simple-framebuffer.txt to specify the format/bpp and
+ * some Atmel-specific binding for tft and cont_pol_low.
+ */
+ atmel_fb_init(ATMEL_BASE_LCDC, timing, VIDEO_BPP16, true, false,
+ uc_plat->base);
+ uc_priv->xsize = timing->hactive.typ;
+ uc_priv->ysize = timing->vactive.typ;
+ uc_priv->bpix = VIDEO_BPP16;
+ video_set_flush_dcache(dev, true);
+ debug("LCD frame buffer at %lx, size %x, %dx%d pixels\n", uc_plat->base,
+ uc_plat->size, uc_priv->xsize, uc_priv->ysize);
+
+ return 0;
+}
+
+static int atmel_fb_ofdata_to_platdata(struct udevice *dev)
+{
+ struct atmel_lcd_platdata *plat = dev_get_platdata(dev);
+ struct atmel_fb_priv *priv = dev_get_priv(dev);
+ struct display_timing *timing = &priv->timing;
+ const void *blob = gd->fdt_blob;
+
+ if (fdtdec_decode_display_timing(blob, dev->of_offset,
+ plat->timing_index, timing)) {
+ debug("%s: Failed to decode display timing\n", __func__);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int atmel_fb_lcd_bind(struct udevice *dev)
+{
+ struct video_uc_platdata *uc_plat = dev_get_uclass_platdata(dev);
+
+ uc_plat->size = LCD_MAX_WIDTH * LCD_MAX_HEIGHT *
+ (1 << VIDEO_BPP16) / 8;
+ debug("%s: Frame buffer size %x\n", __func__, uc_plat->size);
+
+ return 0;
+}
+
+static const struct udevice_id atmel_fb_lcd_ids[] = {
+ { .compatible = "atmel,at91sam9g45-lcdc" },
+ { }
+};
+
+U_BOOT_DRIVER(atmel_fb) = {
+ .name = "atmel_fb",
+ .id = UCLASS_VIDEO,
+ .of_match = atmel_fb_lcd_ids,
+ .bind = atmel_fb_lcd_bind,
+ .ofdata_to_platdata = atmel_fb_ofdata_to_platdata,
+ .probe = atmel_fb_lcd_probe,
+ .platdata_auto_alloc_size = sizeof(struct atmel_lcd_platdata),
+ .priv_auto_alloc_size = sizeof(struct atmel_fb_priv),
+};
+#endif
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