From 5a4696088376fff82629e7e4a2444294dc589c96 Mon Sep 17 00:00:00 2001 From: Timur Tabi Date: Thu, 1 Apr 2010 10:49:42 -0500 Subject: p2020ds: add alternate boot bank support using the ngPIXIS FPGA The Freescale P2020DS board uses a new type of PIXIS FPGA, called the ngPIXIS. The ngPIXIS has one distinct new feature: the values of the on-board switches can be selectively overridden with shadow registers. This feature is used to boot from a different NOR flash bank, instead of having a register dedicated for this purpose. Because the ngPIXIS is so different from the previous PIXIS, a new file is introduced: ngpixis.c. Also update the P2020DS checkboard() function to use the new macros defined in the header file. Signed-off-by: Timur Tabi Signed-off-by: Kumar Gala --- board/freescale/p2020ds/p2020ds.c | 55 ++++++++++++++------------------------- 1 file changed, 20 insertions(+), 35 deletions(-) (limited to 'board/freescale/p2020ds') diff --git a/board/freescale/p2020ds/p2020ds.c b/board/freescale/p2020ds/p2020ds.c index 664135cf703..f0ff209c0c2 100644 --- a/board/freescale/p2020ds/p2020ds.c +++ b/board/freescale/p2020ds/p2020ds.c @@ -38,6 +38,7 @@ #include #include +#include "../common/ngpixis.h" #include "../common/sgmii_riser.h" DECLARE_GLOBAL_DATA_PTR; @@ -46,30 +47,24 @@ phys_size_t fixed_sdram(void); int checkboard(void) { - u8 sw7; - u8 *pixis_base = (u8 *)PIXIS_BASE; + u8 sw; puts("Board: P2020DS "); #ifdef CONFIG_PHYS_64BIT puts("(36-bit addrmap) "); #endif - printf("Sys ID: 0x%02x, " - "Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", - in_8(pixis_base + PIXIS_ID), in_8(pixis_base + PIXIS_VER), - in_8(pixis_base + PIXIS_PVER)); + printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ", + in_8(&pixis->id), in_8(&pixis->arch), in_8(&pixis->scver)); - sw7 = in_8(pixis_base + PIXIS_SW(7)); - switch ((sw7 & PIXIS_SW7_LBMAP) >> 6) { - case 0: - case 1: - printf ("vBank: %d\n", ((sw7 & PIXIS_SW7_VBANK) >> 4)); - break; - case 2: - case 3: - puts ("Promjet\n"); - break; - } + sw = in_8(&PIXIS_SW(PIXIS_LBMAP_SWITCH)); + sw = (sw & PIXIS_LBMAP_MASK) >> PIXIS_LBMAP_SHIFT; + + if (sw < 0x8) + /* The lower two bits are the actual vbank number */ + printf("vBank: %d\n", sw & 3); + else + puts("Promjet\n"); return 0; } @@ -370,30 +365,22 @@ unsigned long get_board_ddr_clk(ulong dummy) return gd->mem_clk; } -unsigned long -calculate_board_sys_clk(ulong dummy) +unsigned long calculate_board_sys_clk(ulong dummy) { ulong val; - u8 *pixis_base = (u8 *)PIXIS_BASE; - val = ics307_clk_freq( - in_8(pixis_base + PIXIS_VSYSCLK0), - in_8(pixis_base + PIXIS_VSYSCLK1), - in_8(pixis_base + PIXIS_VSYSCLK2)); + val = ics307_clk_freq(in_8(&pixis->sclk[0]), in_8(&pixis->sclk[1]), + in_8(&pixis->sclk[2])); debug("sysclk val = %lu\n", val); return val; } -unsigned long -calculate_board_ddr_clk(ulong dummy) +unsigned long calculate_board_ddr_clk(ulong dummy) { ulong val; - u8 *pixis_base = (u8 *)PIXIS_BASE; - val = ics307_clk_freq( - in_8(pixis_base + PIXIS_VDDRCLK0), - in_8(pixis_base + PIXIS_VDDRCLK1), - in_8(pixis_base + PIXIS_VDDRCLK2)); + val = ics307_clk_freq(in_8(&pixis->dclk[0]), in_8(&pixis->dclk[1]), + in_8(&pixis->dclk[2])); debug("ddrclk val = %lu\n", val); return val; } @@ -402,9 +389,8 @@ unsigned long get_board_sys_clk(ulong dummy) { u8 i; ulong val = 0; - u8 *pixis_base = (u8 *)PIXIS_BASE; - i = in_8(pixis_base + PIXIS_SPD); + i = in_8(&pixis->spd); i &= 0x07; switch (i) { @@ -441,9 +427,8 @@ unsigned long get_board_ddr_clk(ulong dummy) { u8 i; ulong val = 0; - u8 *pixis_base = (u8 *)PIXIS_BASE; - i = in_8(pixis_base + PIXIS_SPD); + i = in_8(&pixis->spd); i &= 0x38; i >>= 3; -- cgit v1.2.3