* 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 <linux/spi/at73c213.h>
+#include <video/atmel_lcdc.h>
+
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/arch/at32ap700x.h>
#include <asm/arch/board.h>
#include <asm/arch/init.h>
+#include <asm/arch/portmux.h>
+
+#include "atstk1000.h"
+
+/* Oscillator frequencies. These are board specific */
+unsigned long at32_board_osc_rates[3] = {
+ [0] = 32768, /* 32.768 kHz on RTC osc */
+ [1] = 20000000, /* 20 MHz on osc0 */
+ [2] = 12000000, /* 12 MHz on osc1 */
+};
+
+struct eth_addr {
+ u8 addr[6];
+};
+
+static struct eth_addr __initdata hw_addr[2];
+static struct eth_platform_data __initdata eth_data[2] = {
+ {
+ /*
+ * The MDIO pullups on STK1000 are a bit too weak for
+ * the autodetection to work properly, so we have to
+ * mask out everything but the correct address.
+ */
+ .phy_mask = ~(1U << 16),
+ },
+ {
+ .phy_mask = ~(1U << 17),
+ },
+};
+
+#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
+static struct at73c213_board_info at73c213_data = {
+ .ssc_id = 0,
+ .shortname = "AVR32 STK1000 external DAC",
+};
+#endif
-struct eth_platform_data __initdata eth0_data = {
- .valid = 1,
- .mii_phy_addr = 0x10,
- .is_rmii = 0,
- .hw_addr = { 0x6a, 0x87, 0x71, 0x14, 0xcd, 0xcb },
+#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
+static struct spi_board_info spi0_board_info[] __initdata = {
+#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
+ {
+ /* AT73C213 */
+ .modalias = "at73c213",
+ .max_speed_hz = 200000,
+ .chip_select = 0,
+ .mode = SPI_MODE_1,
+ .platform_data = &at73c213_data,
+ },
+#endif
+ {
+ /* QVGA display */
+ .modalias = "ltv350qv",
+ .max_speed_hz = 16000000,
+ .chip_select = 1,
+ .mode = SPI_MODE_3,
+ },
};
+#endif
+
+#ifdef CONFIG_BOARD_ATSTK100X_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);
-extern struct lcdc_platform_data atstk1000_fb0_data;
+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);
+}
+
+#ifdef CONFIG_BOARD_ATSTK1000_EXTDAC
+static void __init atstk1002_setup_extdac(void)
+{
+ struct clk *gclk;
+ struct clk *pll;
+
+ gclk = clk_get(NULL, "gclk0");
+ if (IS_ERR(gclk))
+ goto err_gclk;
+ pll = clk_get(NULL, "pll0");
+ if (IS_ERR(pll))
+ goto err_pll;
+
+ if (clk_set_parent(gclk, pll)) {
+ pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
+ goto err_set_clk;
+ }
+
+ at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
+ at73c213_data.dac_clk = gclk;
+
+err_set_clk:
+ clk_put(pll);
+err_pll:
+ clk_put(gclk);
+err_gclk:
+ return;
+}
+#else
+static void __init atstk1002_setup_extdac(void)
+{
+
+}
+#endif /* CONFIG_BOARD_ATSTK1000_EXTDAC */
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_ATSTK100X_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_ATSTK100X_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);
+#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
+ set_hw_addr(at32_add_device_eth(0, ð_data[0]));
+#endif
+#ifndef CONFIG_BOARD_ATSTK100X_SW1_CUSTOM
+ at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK100X_SPI1
+ at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_add_device_mci(0, NULL);
+#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, 0);
+#endif
+ at32_add_device_usba(0, NULL);
+#ifndef CONFIG_BOARD_ATSTK100X_SW3_CUSTOM
+ at32_add_device_ssc(0, ATMEL_SSC_TX);
+#endif
+
+ atstk1000_setup_j2_leds();
+ atstk1002_setup_extdac();
return 0;
}