* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+#include <linux/clk.h>
+#include <linux/etherdevice.h>
#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/spi/spi.h>
+#include <video/atmel_lcdc.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/arch/at32ap7000.h>
#include <asm/arch/board.h>
#include <asm/arch/init.h>
+#include <asm/arch/portmux.h>
+
+#include "atstk1000.h"
-struct eth_platform_data __initdata eth0_data = {
- .valid = 1,
- .mii_phy_addr = 0x10,
- .is_rmii = 0,
- .hw_addr = { 0x6a, 0x87, 0x71, 0x14, 0xcd, 0xcb },
+
+struct eth_addr {
+ u8 addr[6];
};
-extern struct lcdc_platform_data atstk1000_fb0_data;
+static struct eth_addr __initdata hw_addr[2];
+static struct eth_platform_data __initdata eth_data[2];
+
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+static struct spi_board_info spi0_board_info[] __initdata = {
+ {
+ /* QVGA display */
+ .modalias = "ltv350qv",
+ .max_speed_hz = 16000000,
+ .chip_select = 1,
+ .mode = SPI_MODE_3,
+ },
+};
+#endif
+
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+static struct spi_board_info spi1_board_info[] __initdata = { {
+ /* patch in custom entries here */
+} };
+#endif
+
+/*
+ * The next two functions should go away as the boot loader is
+ * supposed to initialize the macb address registers with a valid
+ * ethernet address. But we need to keep it around for a while until
+ * we can be reasonably sure the boot loader does this.
+ *
+ * The phy_id is ignored as the driver will probe for it.
+ */
+static int __init parse_tag_ethernet(struct tag *tag)
+{
+ int i;
+
+ i = tag->u.ethernet.mac_index;
+ if (i < ARRAY_SIZE(hw_addr))
+ memcpy(hw_addr[i].addr, tag->u.ethernet.hw_address,
+ sizeof(hw_addr[i].addr));
+
+ return 0;
+}
+__tagtable(ATAG_ETHERNET, parse_tag_ethernet);
+
+static void __init set_hw_addr(struct platform_device *pdev)
+{
+ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ const u8 *addr;
+ void __iomem *regs;
+ struct clk *pclk;
+
+ if (!res)
+ return;
+ if (pdev->id >= ARRAY_SIZE(hw_addr))
+ return;
+
+ addr = hw_addr[pdev->id].addr;
+ if (!is_valid_ether_addr(addr))
+ return;
+
+ /*
+ * Since this is board-specific code, we'll cheat and use the
+ * physical address directly as we happen to know that it's
+ * the same as the virtual address.
+ */
+ regs = (void __iomem __force *)res->start;
+ pclk = clk_get(&pdev->dev, "pclk");
+ if (!pclk)
+ return;
+
+ clk_enable(pclk);
+ __raw_writel((addr[3] << 24) | (addr[2] << 16)
+ | (addr[1] << 8) | addr[0], regs + 0x98);
+ __raw_writel((addr[5] << 8) | addr[4], regs + 0x9c);
+ clk_disable(pclk);
+ clk_put(pclk);
+}
void __init setup_board(void)
{
- at32_map_usart(1, 0); /* /dev/ttyS0 */
- at32_map_usart(2, 1); /* /dev/ttyS1 */
- at32_map_usart(3, 2); /* /dev/ttyS2 */
+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_map_usart(0, 1); /* USART 0/B: /dev/ttyS1, IRDA */
+#else
+ at32_map_usart(1, 0); /* USART 1/A: /dev/ttyS0, DB9 */
+#endif
+ /* USART 2/unused: expansion connector */
+ at32_map_usart(3, 2); /* USART 3/C: /dev/ttyS2, DB9 */
at32_setup_serial_console(0);
}
static int __init atstk1002_init(void)
{
+ /*
+ * ATSTK1000 uses 32-bit SDRAM interface. Reserve the
+ * SDRAM-specific pins so that nobody messes with them.
+ */
+ at32_reserve_pin(GPIO_PIN_PE(0)); /* DATA[16] */
+ at32_reserve_pin(GPIO_PIN_PE(1)); /* DATA[17] */
+ at32_reserve_pin(GPIO_PIN_PE(2)); /* DATA[18] */
+ at32_reserve_pin(GPIO_PIN_PE(3)); /* DATA[19] */
+ at32_reserve_pin(GPIO_PIN_PE(4)); /* DATA[20] */
+ at32_reserve_pin(GPIO_PIN_PE(5)); /* DATA[21] */
+ at32_reserve_pin(GPIO_PIN_PE(6)); /* DATA[22] */
+ at32_reserve_pin(GPIO_PIN_PE(7)); /* DATA[23] */
+ at32_reserve_pin(GPIO_PIN_PE(8)); /* DATA[24] */
+ at32_reserve_pin(GPIO_PIN_PE(9)); /* DATA[25] */
+ at32_reserve_pin(GPIO_PIN_PE(10)); /* DATA[26] */
+ at32_reserve_pin(GPIO_PIN_PE(11)); /* DATA[27] */
+ at32_reserve_pin(GPIO_PIN_PE(12)); /* DATA[28] */
+ at32_reserve_pin(GPIO_PIN_PE(13)); /* DATA[29] */
+ at32_reserve_pin(GPIO_PIN_PE(14)); /* DATA[30] */
+ at32_reserve_pin(GPIO_PIN_PE(15)); /* DATA[31] */
+ at32_reserve_pin(GPIO_PIN_PE(26)); /* SDCS */
+
at32_add_system_devices();
- at32_add_device_usart(0);
+#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
at32_add_device_usart(1);
+#else
+ at32_add_device_usart(0);
+#endif
at32_add_device_usart(2);
- at32_add_device_eth(0, ð0_data);
- at32_add_device_spi(0);
- at32_add_device_lcdc(0, &atstk1000_fb0_data);
+ set_hw_addr(at32_add_device_eth(0, ð_data[0]));
+
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
+ set_hw_addr(at32_add_device_eth(1, ð_data[1]));
+#else
+ at32_add_device_lcdc(0, &atstk1000_lcdc_data,
+ fbmem_start, fbmem_size);
+#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+ at32_add_device_ssc(0, ATMEL_SSC_TX);
+#endif
return 0;
}
git.openpandora.org / pandora-kernel.git / blobdiff