[OpenWrt-Devel] [PATCH 13/33] atheros: v3.18: rearrange PCI regs definitions

Sergey Ryazanov ryazanov.s.a at gmail.com
Thu Mar 12 22:19:18 EDT 2015


Move PCI controller configuration registers from generic header to
driver source. No functional changes.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a at gmail.com>
---
 target/linux/atheros/patches-3.18/100-board.patch  |  93 +-----------------
 .../atheros/patches-3.18/105-ar2315_pci.patch      | 104 ++++++++++++++++++++-
 2 files changed, 104 insertions(+), 93 deletions(-)

diff --git a/target/linux/atheros/patches-3.18/100-board.patch b/target/linux/atheros/patches-3.18/100-board.patch
index 1e9245e..e90cd63 100644
--- a/target/linux/atheros/patches-3.18/100-board.patch
+++ b/target/linux/atheros/patches-3.18/100-board.patch
@@ -629,7 +629,7 @@
 +#endif /* __ASM_MACH_ATH25_WAR_H */
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-ath25/ar2315_regs.h
-@@ -0,0 +1,601 @@
+@@ -0,0 +1,510 @@
 +/*
 + * Register definitions for AR2315+
 + *
@@ -670,16 +670,6 @@
 +#define AR2315_MISC_IRQ_COUNT		9
 +
 +/*
-+ * PCI interrupts, which share IP5
-+ * Keep ordered according to AR2315_PCI_INT_XXX bits
-+ */
-+#define AR2315_PCI_IRQ_BASE		0x50
-+#define AR2315_PCI_IRQ_EXT		(AR2315_PCI_IRQ_BASE+0)
-+#define AR2315_PCI_IRQ_ABORT		(AR2315_PCI_IRQ_BASE+1)
-+#define AR2315_PCI_IRQ_COUNT		2
-+#define AR2315_PCI_IRQ_SHIFT		25	/* in AR2315_PCI_INT_STATUS */
-+
-+/*
 + * Address map
 + */
 +#define AR2315_SPI_READ         0x08000000      /* SPI FLASH */
@@ -1035,80 +1025,6 @@
 +#define SDRAM_BANKADDR_BITS_S       3
 +
 +/*
-+ * PCI Bus Interface Registers
-+ */
-+#define AR2315_PCI_1MS_REG      (AR2315_PCI + 0x0008)
-+#define AR2315_PCI_1MS_MASK     0x3FFFF       /* # of AHB clk cycles in 1ms */
-+
-+#define AR2315_PCI_MISC_CONFIG  (AR2315_PCI + 0x000c)
-+#define AR2315_PCIMISC_TXD_EN   0x00000001      /* Enable TXD for fragments */
-+#define AR2315_PCIMISC_CFG_SEL  0x00000002      /* mem or config cycles */
-+#define AR2315_PCIMISC_GIG_MASK 0x0000000C      /* bits 31-30 for pci req */
-+#define AR2315_PCIMISC_RST_MODE 0x00000030
-+#define AR2315_PCIRST_INPUT     0x00000000      /* 4:5=0 rst is input */
-+#define AR2315_PCIRST_LOW       0x00000010      /* 4:5=1 rst to GND */
-+#define AR2315_PCIRST_HIGH      0x00000020      /* 4:5=2 rst to VDD */
-+#define AR2315_PCIGRANT_EN      0x00000000      /* 6:7=0 early grant en */
-+#define AR2315_PCIGRANT_FRAME   0x00000040      /* 6:7=1 grant waits 4 frame */
-+#define AR2315_PCIGRANT_IDLE    0x00000080      /* 6:7=2 grant waits 4 idle */
-+#define AR2315_PCIGRANT_GAP     0x00000000      /* 6:7=2 grant waits 4 idle */
-+#define AR2315_PCICACHE_DIS     0x00001000      /* PCI external access cache
-+						 * disable */
-+
-+#define AR2315_PCI_OUT_TSTAMP   (AR2315_PCI + 0x0010)
-+
-+#define AR2315_PCI_UNCACHE_CFG  (AR2315_PCI + 0x0014)
-+
-+#define AR2315_PCI_IN_EN        (AR2315_PCI + 0x0100)
-+#define AR2315_PCI_IN_EN0       0x01            /* Enable chain 0 */
-+#define AR2315_PCI_IN_EN1       0x02            /* Enable chain 1 */
-+#define AR2315_PCI_IN_EN2       0x04            /* Enable chain 2 */
-+#define AR2315_PCI_IN_EN3       0x08            /* Enable chain 3 */
-+
-+#define AR2315_PCI_IN_DIS       (AR2315_PCI + 0x0104)
-+#define AR2315_PCI_IN_DIS0      0x01            /* Disable chain 0 */
-+#define AR2315_PCI_IN_DIS1      0x02            /* Disable chain 1 */
-+#define AR2315_PCI_IN_DIS2      0x04            /* Disable chain 2 */
-+#define AR2315_PCI_IN_DIS3      0x08            /* Disable chain 3 */
-+
-+#define AR2315_PCI_IN_PTR       (AR2315_PCI + 0x0200)
-+
-+#define AR2315_PCI_OUT_EN       (AR2315_PCI + 0x0400)
-+#define AR2315_PCI_OUT_EN0      0x01            /* Enable chain 0 */
-+
-+#define AR2315_PCI_OUT_DIS      (AR2315_PCI + 0x0404)
-+#define AR2315_PCI_OUT_DIS0     0x01            /* Disable chain 0 */
-+
-+#define AR2315_PCI_OUT_PTR      (AR2315_PCI + 0x0408)
-+
-+#define AR2315_PCI_ISR          (AR2315_PCI + 0x0500)   /* write one to clr */
-+#define AR2315_PCI_INT_TX       0x00000001      /* Desc In Completed */
-+#define AR2315_PCI_INT_TXOK     0x00000002      /* Desc In OK */
-+#define AR2315_PCI_INT_TXERR    0x00000004      /* Desc In ERR */
-+#define AR2315_PCI_INT_TXEOL    0x00000008      /* Desc In End-of-List */
-+#define AR2315_PCI_INT_RX       0x00000010      /* Desc Out Completed */
-+#define AR2315_PCI_INT_RXOK     0x00000020      /* Desc Out OK */
-+#define AR2315_PCI_INT_RXERR    0x00000040      /* Desc Out ERR */
-+#define AR2315_PCI_INT_RXEOL    0x00000080      /* Desc Out EOL */
-+#define AR2315_PCI_INT_TXOOD    0x00000200      /* Desc In Out-of-Desc */
-+#define AR2315_PCI_INT_DESCMASK 0x0000FFFF      /* Desc Mask */
-+#define AR2315_PCI_INT_EXT      0x02000000      /* Extern PCI INTA */
-+#define AR2315_PCI_INT_ABORT    0x04000000      /* PCI bus abort event */
-+
-+#define AR2315_PCI_IMR          (AR2315_PCI + 0x0504)  /* mask _PCI_ISR bits */
-+
-+#define AR2315_PCI_IER          (AR2315_PCI + 0x0508)  /* global PCI int en */
-+#define AR2315_PCI_IER_DISABLE  0x00            /* disable pci interrupts */
-+#define AR2315_PCI_IER_ENABLE   0x01            /* enable pci interrupts */
-+
-+#define AR2315_PCI_HOST_IN_EN   (AR2315_PCI + 0x0800)
-+#define AR2315_PCI_HOST_IN_DIS  (AR2315_PCI + 0x0804)
-+#define AR2315_PCI_HOST_IN_PTR  (AR2315_PCI + 0x0810)
-+#define AR2315_PCI_HOST_OUT_EN  (AR2315_PCI + 0x0900)
-+#define AR2315_PCI_HOST_OUT_DIS (AR2315_PCI + 0x0904)
-+#define AR2315_PCI_HOST_OUT_PTR (AR2315_PCI + 0x0908)
-+
-+/*
 + * Local Bus Interface Registers
 + */
 +#define AR2315_LB_CONFIG        (AR2315_LOCAL + 0x0000)
@@ -1223,13 +1139,6 @@
 +#define AR2315_IRCFG_SEQ_END_WIN_THRESH	0x001f0000
 +#define AR2315_IRCFG_NUM_BACKOFF_WORDS	0x01e00000
 +
-+/* ??? access BAR */
-+#define AR2315_PCI_HOST_MBAR0		0x10000000
-+/* RAM access BAR */
-+#define AR2315_PCI_HOST_MBAR1		AR2315_PCI_HOST_SDRAM_BASEADDR
-+/* ??? access BAR */
-+#define AR2315_PCI_HOST_MBAR2		0x30000000
-+
 +#endif /* __ASM_MACH_ATH25_AR2315_REGS_H */
 --- /dev/null
 +++ b/arch/mips/include/asm/mach-ath25/ar5312_regs.h
diff --git a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
index 2a4d7ab..0d79a3b 100644
--- a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
+++ b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch
@@ -10,7 +10,7 @@
  obj-$(CONFIG_MIPS_PCI_VIRTIO)	+= pci-virtio-guest.o
 --- /dev/null
 +++ b/arch/mips/pci/pci-ar2315.c
-@@ -0,0 +1,345 @@
+@@ -0,0 +1,447 @@
 +/*
 + * This program is free software; you can redistribute it and/or
 + * modify it under the terms of the GNU General Public License
@@ -64,12 +64,114 @@
 +#include <ar231x.h>
 +#include <ar2315_regs.h>
 +
++/*
++ * PCI Bus Interface Registers
++ */
++#define AR2315_PCI_1MS_REG		(AR2315_PCI + 0x0008)
++
++#define AR2315_PCI_1MS_MASK		0x3FFFF	/* # of AHB clk cycles in 1ms */
++
++#define AR2315_PCI_MISC_CONFIG		(AR2315_PCI + 0x000c)
++
++#define AR2315_PCIMISC_TXD_EN	0x00000001	/* Enable TXD for fragments */
++#define AR2315_PCIMISC_CFG_SEL	0x00000002	/* Mem or Config cycles */
++#define AR2315_PCIMISC_GIG_MASK	0x0000000C	/* bits 31-30 for pci req */
++#define AR2315_PCIMISC_RST_MODE	0x00000030
++#define AR2315_PCIRST_INPUT	0x00000000	/* 4:5=0 rst is input */
++#define AR2315_PCIRST_LOW	0x00000010	/* 4:5=1 rst to GND */
++#define AR2315_PCIRST_HIGH	0x00000020	/* 4:5=2 rst to VDD */
++#define AR2315_PCIGRANT_EN	0x00000000	/* 6:7=0 early grant en */
++#define AR2315_PCIGRANT_FRAME	0x00000040	/* 6:7=1 grant waits 4 frame */
++#define AR2315_PCIGRANT_IDLE	0x00000080	/* 6:7=2 grant waits 4 idle */
++#define AR2315_PCIGRANT_GAP	0x00000000	/* 6:7=2 grant waits 4 idle */
++#define AR2315_PCICACHE_DIS	0x00001000	/* PCI external access cache
++						 * disable */
++
++#define AR2315_PCI_OUT_TSTAMP		(AR2315_PCI + 0x0010)
++
++#define AR2315_PCI_UNCACHE_CFG		(AR2315_PCI + 0x0014)
++
++#define AR2315_PCI_IN_EN		(AR2315_PCI + 0x0100)
++
++#define AR2315_PCI_IN_EN0	0x01	/* Enable chain 0 */
++#define AR2315_PCI_IN_EN1	0x02	/* Enable chain 1 */
++#define AR2315_PCI_IN_EN2	0x04	/* Enable chain 2 */
++#define AR2315_PCI_IN_EN3	0x08	/* Enable chain 3 */
++
++#define AR2315_PCI_IN_DIS		(AR2315_PCI + 0x0104)
++
++#define AR2315_PCI_IN_DIS0	0x01	/* Disable chain 0 */
++#define AR2315_PCI_IN_DIS1	0x02	/* Disable chain 1 */
++#define AR2315_PCI_IN_DIS2	0x04	/* Disable chain 2 */
++#define AR2315_PCI_IN_DIS3	0x08	/* Disable chain 3 */
++
++#define AR2315_PCI_IN_PTR		(AR2315_PCI + 0x0200)
++
++#define AR2315_PCI_OUT_EN		(AR2315_PCI + 0x0400)
++
++#define AR2315_PCI_OUT_EN0	0x01	/* Enable chain 0 */
++
++#define AR2315_PCI_OUT_DIS		(AR2315_PCI + 0x0404)
++
++#define AR2315_PCI_OUT_DIS0	0x01	/* Disable chain 0 */
++
++#define AR2315_PCI_OUT_PTR		(AR2315_PCI + 0x0408)
++
++/* PCI interrupt status (write one to clear) */
++#define AR2315_PCI_ISR			(AR2315_PCI + 0x0500)
++
++#define AR2315_PCI_INT_TX	0x00000001	/* Desc In Completed */
++#define AR2315_PCI_INT_TXOK	0x00000002	/* Desc In OK */
++#define AR2315_PCI_INT_TXERR	0x00000004	/* Desc In ERR */
++#define AR2315_PCI_INT_TXEOL	0x00000008	/* Desc In End-of-List */
++#define AR2315_PCI_INT_RX	0x00000010	/* Desc Out Completed */
++#define AR2315_PCI_INT_RXOK	0x00000020	/* Desc Out OK */
++#define AR2315_PCI_INT_RXERR	0x00000040	/* Desc Out ERR */
++#define AR2315_PCI_INT_RXEOL	0x00000080	/* Desc Out EOL */
++#define AR2315_PCI_INT_TXOOD	0x00000200	/* Desc In Out-of-Desc */
++#define AR2315_PCI_INT_DESCMASK	0x0000FFFF	/* Desc Mask */
++#define AR2315_PCI_INT_EXT	0x02000000	/* Extern PCI INTA */
++#define AR2315_PCI_INT_ABORT	0x04000000	/* PCI bus abort event */
++
++/* PCI interrupt mask */
++#define AR2315_PCI_IMR			(AR2315_PCI + 0x0504)
++
++/* Global PCI interrupt enable */
++#define AR2315_PCI_IER			(AR2315_PCI + 0x0508)
++
++#define AR2315_PCI_IER_DISABLE		0x00	/* disable pci interrupts */
++#define AR2315_PCI_IER_ENABLE		0x01	/* enable pci interrupts */
++
++#define AR2315_PCI_HOST_IN_EN		(AR2315_PCI + 0x0800)
++#define AR2315_PCI_HOST_IN_DIS		(AR2315_PCI + 0x0804)
++#define AR2315_PCI_HOST_IN_PTR		(AR2315_PCI + 0x0810)
++#define AR2315_PCI_HOST_OUT_EN		(AR2315_PCI + 0x0900)
++#define AR2315_PCI_HOST_OUT_DIS		(AR2315_PCI + 0x0904)
++#define AR2315_PCI_HOST_OUT_PTR		(AR2315_PCI + 0x0908)
++
++/*
++ * PCI interrupts, which share IP5
++ * Keep ordered according to AR2315_PCI_INT_XXX bits
++ */
++#define AR2315_PCI_IRQ_BASE		0x50
++#define AR2315_PCI_IRQ_EXT		(AR2315_PCI_IRQ_BASE+0)
++#define AR2315_PCI_IRQ_ABORT		(AR2315_PCI_IRQ_BASE+1)
++#define AR2315_PCI_IRQ_COUNT		2
++#define AR2315_PCI_IRQ_SHIFT		25	/* in AR2315_PCI_INT_STATUS */
++
 +/* Arbitrary size of memory region to access the configuration space */
 +#define AR2315_PCI_CFG_SIZE	0x00100000
 +
 +#define AR2315_PCI_HOST_SLOT	3
 +#define AR2315_PCI_HOST_DEVID	((0xff18 << 16) | PCI_VENDOR_ID_ATHEROS)
 +
++/* ??? access BAR */
++#define AR2315_PCI_HOST_MBAR0		0x10000000
++/* RAM access BAR */
++#define AR2315_PCI_HOST_MBAR1		AR2315_PCI_HOST_SDRAM_BASEADDR
++/* ??? access BAR */
++#define AR2315_PCI_HOST_MBAR2		0x30000000
++
 +static void __iomem *ar2315_pci_cfg_mem;
 +
 +static int ar2315_pci_cfg_access(int devfn, int where, int size, u32 *ptr,
-- 
2.0.4
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