uboot-lantiq: vrx200 - add support for dual nor flash

Based on a submission to the uboot-lantiq repo by Eddi De Pieri.

Devices like the xrx200 Arcadyan VGV7519 are using two NOR flash chips.

Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2016-05-26 23:08:25 +02:00 committed by John Crispin
parent a9f7586ad2
commit 8df4eb0b9b
2 changed files with 30 additions and 12 deletions

View file

@ -2381,7 +2381,7 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+} +}
--- /dev/null --- /dev/null
+++ b/arch/mips/cpu/mips32/vrx200/ebu.c +++ b/arch/mips/cpu/mips32/vrx200/ebu.c
@@ -0,0 +1,111 @@ @@ -0,0 +1,126 @@
+/* +/*
+ * Copyright (C) 2011-2013 Daniel Schwierzeck, daniel.schwierzeck@gmail.com + * Copyright (C) 2011-2013 Daniel Schwierzeck, daniel.schwierzeck@gmail.com
+ * + *
@ -2424,7 +2424,13 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+#define ebu_region0_enable 0 +#define ebu_region0_enable 0
+#endif +#endif
+ +
+#if defined(CONFIG_LTQ_SUPPORT_NAND_FLASH) +#if ((CONFIG_SYS_MAX_FLASH_BANKS == 2) && defined(CONFIG_LTQ_SUPPORT_NOR_FLASH) )
+#define ebu_region0_addrsel_mask 3
+#else
+#define ebu_region0_addrsel_mask 1
+#endif
+
+#if defined(CONFIG_LTQ_SUPPORT_NAND_FLASH) || ((CONFIG_SYS_MAX_FLASH_BANKS == 2) && defined(CONFIG_LTQ_SUPPORT_NOR_FLASH) )
+#define ebu_region1_enable 1 +#define ebu_region1_enable 1
+#else +#else
+#define ebu_region1_enable 0 +#define ebu_region1_enable 0
@ -2460,7 +2466,7 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+ * bank 0. + * bank 0.
+ */ + */
+ ltq_writel(&ltq_ebu_regs->addr_sel_0, LTQ_EBU_REGION0_BASE | + ltq_writel(&ltq_ebu_regs->addr_sel_0, LTQ_EBU_REGION0_BASE |
+ EBU_ADDRSEL_MASK(1) | EBU_ADDRSEL_REGEN); + EBU_ADDRSEL_MASK(ebu_region0_addrsel_mask) | EBU_ADDRSEL_REGEN);
+ +
+ ltq_writel(&ltq_ebu_regs->con_0, EBU_CON_AGEN_DEMUX | + ltq_writel(&ltq_ebu_regs->con_0, EBU_CON_AGEN_DEMUX |
+ EBU_CON_WAIT_DIS | EBU_CON_PW_16BIT | + EBU_CON_WAIT_DIS | EBU_CON_PW_16BIT |
@ -2474,17 +2480,26 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+ if (ebu_region1_enable) { + if (ebu_region1_enable) {
+ /* + /*
+ * Map EBU region 1 to range 0x14000000-0x13ffffff and enable + * Map EBU region 1 to range 0x14000000-0x13ffffff and enable
+ * region control. This supports NAND flash in bank 1. + * region control. This supports NAND flash in bank 1. (and NOR flash in bank 2)
+ */ + */
+ ltq_writel(&ltq_ebu_regs->addr_sel_1, LTQ_EBU_REGION1_BASE | + ltq_writel(&ltq_ebu_regs->addr_sel_1, LTQ_EBU_REGION1_BASE |
+ EBU_ADDRSEL_MASK(3) | EBU_ADDRSEL_REGEN); + EBU_ADDRSEL_MASK(3) | EBU_ADDRSEL_REGEN);
+ +
+ if (ebu_region0_addrsel_mask == 1)
+ ltq_writel(&ltq_ebu_regs->con_1, EBU_CON_AGEN_DEMUX | + ltq_writel(&ltq_ebu_regs->con_1, EBU_CON_AGEN_DEMUX |
+ EBU_CON_SETUP | EBU_CON_WAIT_DIS | EBU_CON_PW_8BIT | + EBU_CON_SETUP | EBU_CON_WAIT_DIS | EBU_CON_PW_8BIT |
+ EBU_CON_ALEC(3) | EBU_CON_BCGEN_INTEL | + EBU_CON_ALEC(3) | EBU_CON_BCGEN_INTEL |
+ EBU_CON_WAITWRC(2) | EBU_CON_WAITRDC(2) | + EBU_CON_WAITWRC(2) | EBU_CON_WAITRDC(2) |
+ EBU_CON_HOLDC(1) | EBU_CON_RECOVC(1) | + EBU_CON_HOLDC(1) | EBU_CON_RECOVC(1) |
+ EBU_CON_CMULT_4); + EBU_CON_CMULT_4);
+
+ if (ebu_region0_addrsel_mask == 3)
+ ltq_writel(&ltq_ebu_regs->con_1, EBU_CON_AGEN_DEMUX |
+ EBU_CON_WAIT_DIS | EBU_CON_PW_16BIT |
+ EBU_CON_ALEC(3) | EBU_CON_BCGEN_INTEL |
+ EBU_CON_WAITWRC(7) | EBU_CON_WAITRDC(3) |
+ EBU_CON_HOLDC(3) | EBU_CON_RECOVC(3) |
+ EBU_CON_CMULT_16);
+ } else + } else
+ ltq_clrbits(&ltq_ebu_regs->addr_sel_1, EBU_ADDRSEL_REGEN); + ltq_clrbits(&ltq_ebu_regs->addr_sel_1, EBU_ADDRSEL_REGEN);
+} +}
@ -3450,7 +3465,7 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+#endif /* __DANUBE_SOC_H__ */ +#endif /* __DANUBE_SOC_H__ */
--- /dev/null --- /dev/null
+++ b/arch/mips/include/asm/arch-vrx200/config.h +++ b/arch/mips/include/asm/arch-vrx200/config.h
@@ -0,0 +1,184 @@ @@ -0,0 +1,187 @@
+/* +/*
+ * Copyright (C) 2010 Lantiq Deutschland GmbH + * Copyright (C) 2010 Lantiq Deutschland GmbH
+ * Copyright (C) 2011-2013 Daniel Schwierzeck, daniel.schwierzeck@gmail.com + * Copyright (C) 2011-2013 Daniel Schwierzeck, daniel.schwierzeck@gmail.com
@ -3538,9 +3553,12 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
+ +
+/* FLASH driver */ +/* FLASH driver */
+#if defined(CONFIG_LTQ_SUPPORT_NOR_FLASH) +#if defined(CONFIG_LTQ_SUPPORT_NOR_FLASH)
+#ifndef CONFIG_SYS_MAX_FLASH_BANKS
+#define CONFIG_SYS_MAX_FLASH_BANKS 1 +#define CONFIG_SYS_MAX_FLASH_BANKS 1
+#endif
+#define CONFIG_SYS_MAX_FLASH_SECT 256 +#define CONFIG_SYS_MAX_FLASH_SECT 256
+#define CONFIG_SYS_FLASH_BASE 0xB0000000 +#define CONFIG_SYS_FLASH_BASE 0xB0000000
+#define CONFIG_SYS_FLASH2_BASE 0xB4000000
+#define CONFIG_FLASH_16BIT +#define CONFIG_FLASH_16BIT
+#define CONFIG_SYS_FLASH_CFI +#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER +#define CONFIG_FLASH_CFI_DRIVER

View file

@ -19,7 +19,7 @@ Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
endif endif
--- a/arch/mips/include/asm/arch-vrx200/config.h --- a/arch/mips/include/asm/arch-vrx200/config.h
+++ b/arch/mips/include/asm/arch-vrx200/config.h +++ b/arch/mips/include/asm/arch-vrx200/config.h
@@ -164,7 +164,7 @@ @@ -167,7 +167,7 @@
#define CONFIG_SYS_TEXT_BASE 0xB0000000 #define CONFIG_SYS_TEXT_BASE 0xB0000000
#endif #endif