am335x_evm: Add support for the NOR module on the memory cape
This patch adds support for the NOR module that attaches
to the memory cape for a Beaglebone board. This does not
add booting support; only support so that you can boot from
SD/MMC and see the NOR module so that it can be programmed.
Signed-off-by: Steve Kipisz <s-kipisz2@ti.com>
[trini: Clean up config changes slightly]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index 00802b6..b12341d 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -19,6 +19,7 @@
#include <asm/arch/gpio.h>
#include <asm/arch/mmc_host_def.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/mem.h>
#include <asm/io.h>
#include <asm/emif.h>
#include <asm/gpio.h>
@@ -339,10 +340,22 @@
*/
int board_init(void)
{
+#ifdef CONFIG_NOR
+ const u32 gpmc_nor[GPMC_MAX_REG] = { STNOR_GPMC_CONFIG1,
+ STNOR_GPMC_CONFIG2, STNOR_GPMC_CONFIG3, STNOR_GPMC_CONFIG4,
+ STNOR_GPMC_CONFIG5, STNOR_GPMC_CONFIG6, STNOR_GPMC_CONFIG7 };
+#endif
+
gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
gpmc_init();
+#ifdef CONFIG_NOR
+ /* Reconfigure CS0 for NOR instead of NAND. */
+ enable_gpmc_cs_config(gpmc_nor, &gpmc_cfg->cs[0],
+ CONFIG_SYS_FLASH_BASE, GPMC_SIZE_16M);
+#endif
+
return 0;
}
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c
index 2e09d98..187468e 100644
--- a/board/ti/am335x/mux.c
+++ b/board/ti/am335x/mux.c
@@ -190,6 +190,56 @@
{-1},
};
+#if defined(CONFIG_NOR)
+static struct module_pin_mux bone_norcape_pin_mux[] = {
+ {OFFSET(lcd_data0), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A0 */
+ {OFFSET(lcd_data1), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A1 */
+ {OFFSET(lcd_data2), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A2 */
+ {OFFSET(lcd_data3), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A3 */
+ {OFFSET(lcd_data4), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A4 */
+ {OFFSET(lcd_data5), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A5 */
+ {OFFSET(lcd_data6), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A6 */
+ {OFFSET(lcd_data7), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A7 */
+ {OFFSET(lcd_vsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A8 */
+ {OFFSET(lcd_hsync), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A9 */
+ {OFFSET(lcd_pclk), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A10 */
+ {OFFSET(lcd_ac_bias_en), MODE(1)| PULLUDEN | RXACTIVE}, /* NOR_A11 */
+ {OFFSET(lcd_data8), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A12 */
+ {OFFSET(lcd_data9), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A13 */
+ {OFFSET(lcd_data10), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A14 */
+ {OFFSET(lcd_data11), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A15 */
+ {OFFSET(lcd_data12), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A16 */
+ {OFFSET(lcd_data13), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A17 */
+ {OFFSET(lcd_data14), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A18 */
+ {OFFSET(lcd_data15), MODE(1) | PULLUDEN | RXACTIVE}, /* NOR_A19 */
+ {OFFSET(gpmc_ad0), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD0 */
+ {OFFSET(gpmc_ad1), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD1 */
+ {OFFSET(gpmc_ad2), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD2 */
+ {OFFSET(gpmc_ad3), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD3 */
+ {OFFSET(gpmc_ad4), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD4 */
+ {OFFSET(gpmc_ad5), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD5 */
+ {OFFSET(gpmc_ad6), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD6 */
+ {OFFSET(gpmc_ad7), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD7 */
+ {OFFSET(gpmc_ad8), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD8 */
+ {OFFSET(gpmc_ad9), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD9 */
+ {OFFSET(gpmc_ad10), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD10 */
+ {OFFSET(gpmc_ad11), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD11 */
+ {OFFSET(gpmc_ad12), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD12 */
+ {OFFSET(gpmc_ad13), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD13 */
+ {OFFSET(gpmc_ad14), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD14 */
+ {OFFSET(gpmc_ad15), MODE(0) | PULLUDEN | RXACTIVE}, /* NOR_AD15 */
+
+ {OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_CE */
+ {OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN) | RXACTIVE}, /* NOR_ADVN_ALE */
+ {OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_OE */
+ {OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN | RXACTIVE)},/* NOR_BE0N_CLE */
+ {OFFSET(gpmc_wen), (MODE(0) | PULLUDEN | RXACTIVE)}, /* NOR_WEN */
+ {OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUDEN)}, /* NOR WAIT */
+ {-1},
+};
+#endif
+
+
void enable_uart0_pin_mux(void)
{
configure_module_pin_mux(uart0_pin_mux);
@@ -268,6 +318,9 @@
configure_module_pin_mux(mii1_pin_mux);
configure_module_pin_mux(mmc0_pin_mux);
configure_module_pin_mux(mmc1_pin_mux);
+#if defined(CONFIG_NOR)
+ configure_module_pin_mux(bone_norcape_pin_mux);
+#endif
} else if (board_is_gp_evm(header)) {
/* General Purpose EVM */
unsigned short profile = detect_daughter_board_profile();